diff --git a/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/INSTALLER b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/INSTALLER
new file mode 100644
index 0000000000000000000000000000000000000000..a1b589e38a32041e49332e5e81c2d363dc418d68
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/LICENSE.txt b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/LICENSE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e7b65eaf628360e6f32f4140fcdd7ec7c2b7077
--- /dev/null
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@@ -0,0 +1,20 @@
+Copyright (c) 2008-present The pip developers (see AUTHORS.txt file)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/METADATA b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/METADATA
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+Metadata-Version: 2.1
+Name: pip
+Version: 22.0.2
+Summary: The PyPA recommended tool for installing Python packages.
+Home-page: https://pip.pypa.io/
+Author: The pip developers
+Author-email: distutils-sig@python.org
+License: MIT
+Project-URL: Documentation, https://pip.pypa.io
+Project-URL: Source, https://github.com/pypa/pip
+Project-URL: Changelog, https://pip.pypa.io/en/stable/news/
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Topic :: Software Development :: Build Tools
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: 3.9
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Requires-Python: >=3.7
+License-File: LICENSE.txt
+
+pip - The Python Package Installer
+==================================
+
+.. image:: https://img.shields.io/pypi/v/pip.svg
+   :target: https://pypi.org/project/pip/
+
+.. image:: https://readthedocs.org/projects/pip/badge/?version=latest
+   :target: https://pip.pypa.io/en/latest
+
+pip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.
+
+Please take a look at our documentation for how to install and use pip:
+
+* `Installation`_
+* `Usage`_
+
+We release updates regularly, with a new version every 3 months. Find more details in our documentation:
+
+* `Release notes`_
+* `Release process`_
+
+In pip 20.3, we've `made a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.
+
+**Note**: pip 21.0, in January 2021, removed Python 2 support, per pip's `Python 2 support policy`_. Please migrate to Python 3.
+
+If you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:
+
+* `Issue tracking`_
+* `Discourse channel`_
+* `User IRC`_
+
+If you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:
+
+* `GitHub page`_
+* `Development documentation`_
+* `Development mailing list`_
+* `Development IRC`_
+
+Code of Conduct
+---------------
+
+Everyone interacting in the pip project's codebases, issue trackers, chat
+rooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.
+
+.. _package installer: https://packaging.python.org/guides/tool-recommendations/
+.. _Python Package Index: https://pypi.org
+.. _Installation: https://pip.pypa.io/en/stable/installation/
+.. _Usage: https://pip.pypa.io/en/stable/
+.. _Release notes: https://pip.pypa.io/en/stable/news.html
+.. _Release process: https://pip.pypa.io/en/latest/development/release-process/
+.. _GitHub page: https://github.com/pypa/pip
+.. _Development documentation: https://pip.pypa.io/en/latest/development
+.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html
+.. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020
+.. _sign up for our user experience research studies: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html
+.. _Python 2 support policy: https://pip.pypa.io/en/latest/development/release-process/#python-2-support
+.. _Issue tracking: https://github.com/pypa/pip/issues
+.. _Discourse channel: https://discuss.python.org/c/packaging
+.. _Development mailing list: https://mail.python.org/mailman3/lists/distutils-sig.python.org/
+.. _User IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa
+.. _Development IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa-dev
+.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md
+
+
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diff --git a/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/REQUESTED b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/REQUESTED
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/WHEEL b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/WHEEL
new file mode 100644
index 0000000000000000000000000000000000000000..becc9a66ea739ba941d48a749e248761cc6e658a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/WHEEL
@@ -0,0 +1,5 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.37.1)
+Root-Is-Purelib: true
+Tag: py3-none-any
+
diff --git a/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/entry_points.txt b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/entry_points.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c4ad521282bcf87dc1b9c67535cef48755462217
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/entry_points.txt
@@ -0,0 +1,5 @@
+[console_scripts]
+pip = pip._internal.cli.main:main
+pip3 = pip._internal.cli.main:main
+pip3.10 = pip._internal.cli.main:main
+
diff --git a/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/top_level.txt b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/top_level.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a1b589e38a32041e49332e5e81c2d363dc418d68
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip-22.0.2.dist-info/top_level.txt
@@ -0,0 +1 @@
+pip
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/__pycache__/token.cpython-310.pyc b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/__pycache__/token.cpython-310.pyc
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/__pycache__/unistring.cpython-310.pyc b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/__pycache__/unistring.cpython-310.pyc
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/__pycache__/util.cpython-310.pyc b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/__pycache__/util.cpython-310.pyc
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/filters/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/filters/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..1d5a808f6f549206b429eb223149a7c7ceb8ebf9
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/filters/__init__.py
@@ -0,0 +1,937 @@
+"""
+    pygments.filters
+    ~~~~~~~~~~~~~~~~
+
+    Module containing filter lookup functions and default
+    filters.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pip._vendor.pygments.token import String, Comment, Keyword, Name, Error, Whitespace, \
+    string_to_tokentype
+from pip._vendor.pygments.filter import Filter
+from pip._vendor.pygments.util import get_list_opt, get_int_opt, get_bool_opt, \
+    get_choice_opt, ClassNotFound, OptionError
+from pip._vendor.pygments.plugin import find_plugin_filters
+
+
+def find_filter_class(filtername):
+    """Lookup a filter by name. Return None if not found."""
+    if filtername in FILTERS:
+        return FILTERS[filtername]
+    for name, cls in find_plugin_filters():
+        if name == filtername:
+            return cls
+    return None
+
+
+def get_filter_by_name(filtername, **options):
+    """Return an instantiated filter.
+
+    Options are passed to the filter initializer if wanted.
+    Raise a ClassNotFound if not found.
+    """
+    cls = find_filter_class(filtername)
+    if cls:
+        return cls(**options)
+    else:
+        raise ClassNotFound('filter %r not found' % filtername)
+
+
+def get_all_filters():
+    """Return a generator of all filter names."""
+    yield from FILTERS
+    for name, _ in find_plugin_filters():
+        yield name
+
+
+def _replace_special(ttype, value, regex, specialttype,
+                     replacefunc=lambda x: x):
+    last = 0
+    for match in regex.finditer(value):
+        start, end = match.start(), match.end()
+        if start != last:
+            yield ttype, value[last:start]
+        yield specialttype, replacefunc(value[start:end])
+        last = end
+    if last != len(value):
+        yield ttype, value[last:]
+
+
+class CodeTagFilter(Filter):
+    """Highlight special code tags in comments and docstrings.
+
+    Options accepted:
+
+    `codetags` : list of strings
+       A list of strings that are flagged as code tags.  The default is to
+       highlight ``XXX``, ``TODO``, ``BUG`` and ``NOTE``.
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        tags = get_list_opt(options, 'codetags',
+                            ['XXX', 'TODO', 'BUG', 'NOTE'])
+        self.tag_re = re.compile(r'\b(%s)\b' % '|'.join([
+            re.escape(tag) for tag in tags if tag
+        ]))
+
+    def filter(self, lexer, stream):
+        regex = self.tag_re
+        for ttype, value in stream:
+            if ttype in String.Doc or \
+               ttype in Comment and \
+               ttype not in Comment.Preproc:
+                yield from _replace_special(ttype, value, regex, Comment.Special)
+            else:
+                yield ttype, value
+
+
+class SymbolFilter(Filter):
+    """Convert mathematical symbols such as \\<longrightarrow> in Isabelle
+    or \\longrightarrow in LaTeX into Unicode characters.
+
+    This is mostly useful for HTML or console output when you want to
+    approximate the source rendering you'd see in an IDE.
+
+    Options accepted:
+
+    `lang` : string
+       The symbol language. Must be one of ``'isabelle'`` or
+       ``'latex'``.  The default is ``'isabelle'``.
+    """
+
+    latex_symbols = {
+        '\\alpha'                : '\U000003b1',
+        '\\beta'                 : '\U000003b2',
+        '\\gamma'                : '\U000003b3',
+        '\\delta'                : '\U000003b4',
+        '\\varepsilon'           : '\U000003b5',
+        '\\zeta'                 : '\U000003b6',
+        '\\eta'                  : '\U000003b7',
+        '\\vartheta'             : '\U000003b8',
+        '\\iota'                 : '\U000003b9',
+        '\\kappa'                : '\U000003ba',
+        '\\lambda'               : '\U000003bb',
+        '\\mu'                   : '\U000003bc',
+        '\\nu'                   : '\U000003bd',
+        '\\xi'                   : '\U000003be',
+        '\\pi'                   : '\U000003c0',
+        '\\varrho'               : '\U000003c1',
+        '\\sigma'                : '\U000003c3',
+        '\\tau'                  : '\U000003c4',
+        '\\upsilon'              : '\U000003c5',
+        '\\varphi'               : '\U000003c6',
+        '\\chi'                  : '\U000003c7',
+        '\\psi'                  : '\U000003c8',
+        '\\omega'                : '\U000003c9',
+        '\\Gamma'                : '\U00000393',
+        '\\Delta'                : '\U00000394',
+        '\\Theta'                : '\U00000398',
+        '\\Lambda'               : '\U0000039b',
+        '\\Xi'                   : '\U0000039e',
+        '\\Pi'                   : '\U000003a0',
+        '\\Sigma'                : '\U000003a3',
+        '\\Upsilon'              : '\U000003a5',
+        '\\Phi'                  : '\U000003a6',
+        '\\Psi'                  : '\U000003a8',
+        '\\Omega'                : '\U000003a9',
+        '\\leftarrow'            : '\U00002190',
+        '\\longleftarrow'        : '\U000027f5',
+        '\\rightarrow'           : '\U00002192',
+        '\\longrightarrow'       : '\U000027f6',
+        '\\Leftarrow'            : '\U000021d0',
+        '\\Longleftarrow'        : '\U000027f8',
+        '\\Rightarrow'           : '\U000021d2',
+        '\\Longrightarrow'       : '\U000027f9',
+        '\\leftrightarrow'       : '\U00002194',
+        '\\longleftrightarrow'   : '\U000027f7',
+        '\\Leftrightarrow'       : '\U000021d4',
+        '\\Longleftrightarrow'   : '\U000027fa',
+        '\\mapsto'               : '\U000021a6',
+        '\\longmapsto'           : '\U000027fc',
+        '\\relbar'               : '\U00002500',
+        '\\Relbar'               : '\U00002550',
+        '\\hookleftarrow'        : '\U000021a9',
+        '\\hookrightarrow'       : '\U000021aa',
+        '\\leftharpoondown'      : '\U000021bd',
+        '\\rightharpoondown'     : '\U000021c1',
+        '\\leftharpoonup'        : '\U000021bc',
+        '\\rightharpoonup'       : '\U000021c0',
+        '\\rightleftharpoons'    : '\U000021cc',
+        '\\leadsto'              : '\U0000219d',
+        '\\downharpoonleft'      : '\U000021c3',
+        '\\downharpoonright'     : '\U000021c2',
+        '\\upharpoonleft'        : '\U000021bf',
+        '\\upharpoonright'       : '\U000021be',
+        '\\restriction'          : '\U000021be',
+        '\\uparrow'              : '\U00002191',
+        '\\Uparrow'              : '\U000021d1',
+        '\\downarrow'            : '\U00002193',
+        '\\Downarrow'            : '\U000021d3',
+        '\\updownarrow'          : '\U00002195',
+        '\\Updownarrow'          : '\U000021d5',
+        '\\langle'               : '\U000027e8',
+        '\\rangle'               : '\U000027e9',
+        '\\lceil'                : '\U00002308',
+        '\\rceil'                : '\U00002309',
+        '\\lfloor'               : '\U0000230a',
+        '\\rfloor'               : '\U0000230b',
+        '\\flqq'                 : '\U000000ab',
+        '\\frqq'                 : '\U000000bb',
+        '\\bot'                  : '\U000022a5',
+        '\\top'                  : '\U000022a4',
+        '\\wedge'                : '\U00002227',
+        '\\bigwedge'             : '\U000022c0',
+        '\\vee'                  : '\U00002228',
+        '\\bigvee'               : '\U000022c1',
+        '\\forall'               : '\U00002200',
+        '\\exists'               : '\U00002203',
+        '\\nexists'              : '\U00002204',
+        '\\neg'                  : '\U000000ac',
+        '\\Box'                  : '\U000025a1',
+        '\\Diamond'              : '\U000025c7',
+        '\\vdash'                : '\U000022a2',
+        '\\models'               : '\U000022a8',
+        '\\dashv'                : '\U000022a3',
+        '\\surd'                 : '\U0000221a',
+        '\\le'                   : '\U00002264',
+        '\\ge'                   : '\U00002265',
+        '\\ll'                   : '\U0000226a',
+        '\\gg'                   : '\U0000226b',
+        '\\lesssim'              : '\U00002272',
+        '\\gtrsim'               : '\U00002273',
+        '\\lessapprox'           : '\U00002a85',
+        '\\gtrapprox'            : '\U00002a86',
+        '\\in'                   : '\U00002208',
+        '\\notin'                : '\U00002209',
+        '\\subset'               : '\U00002282',
+        '\\supset'               : '\U00002283',
+        '\\subseteq'             : '\U00002286',
+        '\\supseteq'             : '\U00002287',
+        '\\sqsubset'             : '\U0000228f',
+        '\\sqsupset'             : '\U00002290',
+        '\\sqsubseteq'           : '\U00002291',
+        '\\sqsupseteq'           : '\U00002292',
+        '\\cap'                  : '\U00002229',
+        '\\bigcap'               : '\U000022c2',
+        '\\cup'                  : '\U0000222a',
+        '\\bigcup'               : '\U000022c3',
+        '\\sqcup'                : '\U00002294',
+        '\\bigsqcup'             : '\U00002a06',
+        '\\sqcap'                : '\U00002293',
+        '\\Bigsqcap'             : '\U00002a05',
+        '\\setminus'             : '\U00002216',
+        '\\propto'               : '\U0000221d',
+        '\\uplus'                : '\U0000228e',
+        '\\bigplus'              : '\U00002a04',
+        '\\sim'                  : '\U0000223c',
+        '\\doteq'                : '\U00002250',
+        '\\simeq'                : '\U00002243',
+        '\\approx'               : '\U00002248',
+        '\\asymp'                : '\U0000224d',
+        '\\cong'                 : '\U00002245',
+        '\\equiv'                : '\U00002261',
+        '\\Join'                 : '\U000022c8',
+        '\\bowtie'               : '\U00002a1d',
+        '\\prec'                 : '\U0000227a',
+        '\\succ'                 : '\U0000227b',
+        '\\preceq'               : '\U0000227c',
+        '\\succeq'               : '\U0000227d',
+        '\\parallel'             : '\U00002225',
+        '\\mid'                  : '\U000000a6',
+        '\\pm'                   : '\U000000b1',
+        '\\mp'                   : '\U00002213',
+        '\\times'                : '\U000000d7',
+        '\\div'                  : '\U000000f7',
+        '\\cdot'                 : '\U000022c5',
+        '\\star'                 : '\U000022c6',
+        '\\circ'                 : '\U00002218',
+        '\\dagger'               : '\U00002020',
+        '\\ddagger'              : '\U00002021',
+        '\\lhd'                  : '\U000022b2',
+        '\\rhd'                  : '\U000022b3',
+        '\\unlhd'                : '\U000022b4',
+        '\\unrhd'                : '\U000022b5',
+        '\\triangleleft'         : '\U000025c3',
+        '\\triangleright'        : '\U000025b9',
+        '\\triangle'             : '\U000025b3',
+        '\\triangleq'            : '\U0000225c',
+        '\\oplus'                : '\U00002295',
+        '\\bigoplus'             : '\U00002a01',
+        '\\otimes'               : '\U00002297',
+        '\\bigotimes'            : '\U00002a02',
+        '\\odot'                 : '\U00002299',
+        '\\bigodot'              : '\U00002a00',
+        '\\ominus'               : '\U00002296',
+        '\\oslash'               : '\U00002298',
+        '\\dots'                 : '\U00002026',
+        '\\cdots'                : '\U000022ef',
+        '\\sum'                  : '\U00002211',
+        '\\prod'                 : '\U0000220f',
+        '\\coprod'               : '\U00002210',
+        '\\infty'                : '\U0000221e',
+        '\\int'                  : '\U0000222b',
+        '\\oint'                 : '\U0000222e',
+        '\\clubsuit'             : '\U00002663',
+        '\\diamondsuit'          : '\U00002662',
+        '\\heartsuit'            : '\U00002661',
+        '\\spadesuit'            : '\U00002660',
+        '\\aleph'                : '\U00002135',
+        '\\emptyset'             : '\U00002205',
+        '\\nabla'                : '\U00002207',
+        '\\partial'              : '\U00002202',
+        '\\flat'                 : '\U0000266d',
+        '\\natural'              : '\U0000266e',
+        '\\sharp'                : '\U0000266f',
+        '\\angle'                : '\U00002220',
+        '\\copyright'            : '\U000000a9',
+        '\\textregistered'       : '\U000000ae',
+        '\\textonequarter'       : '\U000000bc',
+        '\\textonehalf'          : '\U000000bd',
+        '\\textthreequarters'    : '\U000000be',
+        '\\textordfeminine'      : '\U000000aa',
+        '\\textordmasculine'     : '\U000000ba',
+        '\\euro'                 : '\U000020ac',
+        '\\pounds'               : '\U000000a3',
+        '\\yen'                  : '\U000000a5',
+        '\\textcent'             : '\U000000a2',
+        '\\textcurrency'         : '\U000000a4',
+        '\\textdegree'           : '\U000000b0',
+    }
+
+    isabelle_symbols = {
+        '\\<zero>'                 : '\U0001d7ec',
+        '\\<one>'                  : '\U0001d7ed',
+        '\\<two>'                  : '\U0001d7ee',
+        '\\<three>'                : '\U0001d7ef',
+        '\\<four>'                 : '\U0001d7f0',
+        '\\<five>'                 : '\U0001d7f1',
+        '\\<six>'                  : '\U0001d7f2',
+        '\\<seven>'                : '\U0001d7f3',
+        '\\<eight>'                : '\U0001d7f4',
+        '\\<nine>'                 : '\U0001d7f5',
+        '\\<A>'                    : '\U0001d49c',
+        '\\<B>'                    : '\U0000212c',
+        '\\<C>'                    : '\U0001d49e',
+        '\\<D>'                    : '\U0001d49f',
+        '\\<E>'                    : '\U00002130',
+        '\\<F>'                    : '\U00002131',
+        '\\<G>'                    : '\U0001d4a2',
+        '\\<H>'                    : '\U0000210b',
+        '\\<I>'                    : '\U00002110',
+        '\\<J>'                    : '\U0001d4a5',
+        '\\<K>'                    : '\U0001d4a6',
+        '\\<L>'                    : '\U00002112',
+        '\\<M>'                    : '\U00002133',
+        '\\<N>'                    : '\U0001d4a9',
+        '\\<O>'                    : '\U0001d4aa',
+        '\\<P>'                    : '\U0001d4ab',
+        '\\<Q>'                    : '\U0001d4ac',
+        '\\<R>'                    : '\U0000211b',
+        '\\<S>'                    : '\U0001d4ae',
+        '\\<T>'                    : '\U0001d4af',
+        '\\<U>'                    : '\U0001d4b0',
+        '\\<V>'                    : '\U0001d4b1',
+        '\\<W>'                    : '\U0001d4b2',
+        '\\<X>'                    : '\U0001d4b3',
+        '\\<Y>'                    : '\U0001d4b4',
+        '\\<Z>'                    : '\U0001d4b5',
+        '\\<a>'                    : '\U0001d5ba',
+        '\\<b>'                    : '\U0001d5bb',
+        '\\<c>'                    : '\U0001d5bc',
+        '\\<d>'                    : '\U0001d5bd',
+        '\\<e>'                    : '\U0001d5be',
+        '\\<f>'                    : '\U0001d5bf',
+        '\\<g>'                    : '\U0001d5c0',
+        '\\<h>'                    : '\U0001d5c1',
+        '\\<i>'                    : '\U0001d5c2',
+        '\\<j>'                    : '\U0001d5c3',
+        '\\<k>'                    : '\U0001d5c4',
+        '\\<l>'                    : '\U0001d5c5',
+        '\\<m>'                    : '\U0001d5c6',
+        '\\<n>'                    : '\U0001d5c7',
+        '\\<o>'                    : '\U0001d5c8',
+        '\\<p>'                    : '\U0001d5c9',
+        '\\<q>'                    : '\U0001d5ca',
+        '\\<r>'                    : '\U0001d5cb',
+        '\\<s>'                    : '\U0001d5cc',
+        '\\<t>'                    : '\U0001d5cd',
+        '\\<u>'                    : '\U0001d5ce',
+        '\\<v>'                    : '\U0001d5cf',
+        '\\<w>'                    : '\U0001d5d0',
+        '\\<x>'                    : '\U0001d5d1',
+        '\\<y>'                    : '\U0001d5d2',
+        '\\<z>'                    : '\U0001d5d3',
+        '\\<AA>'                   : '\U0001d504',
+        '\\<BB>'                   : '\U0001d505',
+        '\\<CC>'                   : '\U0000212d',
+        '\\<DD>'                   : '\U0001d507',
+        '\\<EE>'                   : '\U0001d508',
+        '\\<FF>'                   : '\U0001d509',
+        '\\<GG>'                   : '\U0001d50a',
+        '\\<HH>'                   : '\U0000210c',
+        '\\<II>'                   : '\U00002111',
+        '\\<JJ>'                   : '\U0001d50d',
+        '\\<KK>'                   : '\U0001d50e',
+        '\\<LL>'                   : '\U0001d50f',
+        '\\<MM>'                   : '\U0001d510',
+        '\\<NN>'                   : '\U0001d511',
+        '\\<OO>'                   : '\U0001d512',
+        '\\<PP>'                   : '\U0001d513',
+        '\\<QQ>'                   : '\U0001d514',
+        '\\<RR>'                   : '\U0000211c',
+        '\\<SS>'                   : '\U0001d516',
+        '\\<TT>'                   : '\U0001d517',
+        '\\<UU>'                   : '\U0001d518',
+        '\\<VV>'                   : '\U0001d519',
+        '\\<WW>'                   : '\U0001d51a',
+        '\\<XX>'                   : '\U0001d51b',
+        '\\<YY>'                   : '\U0001d51c',
+        '\\<ZZ>'                   : '\U00002128',
+        '\\<aa>'                   : '\U0001d51e',
+        '\\<bb>'                   : '\U0001d51f',
+        '\\<cc>'                   : '\U0001d520',
+        '\\<dd>'                   : '\U0001d521',
+        '\\<ee>'                   : '\U0001d522',
+        '\\<ff>'                   : '\U0001d523',
+        '\\<gg>'                   : '\U0001d524',
+        '\\<hh>'                   : '\U0001d525',
+        '\\<ii>'                   : '\U0001d526',
+        '\\<jj>'                   : '\U0001d527',
+        '\\<kk>'                   : '\U0001d528',
+        '\\<ll>'                   : '\U0001d529',
+        '\\<mm>'                   : '\U0001d52a',
+        '\\<nn>'                   : '\U0001d52b',
+        '\\<oo>'                   : '\U0001d52c',
+        '\\<pp>'                   : '\U0001d52d',
+        '\\<qq>'                   : '\U0001d52e',
+        '\\<rr>'                   : '\U0001d52f',
+        '\\<ss>'                   : '\U0001d530',
+        '\\<tt>'                   : '\U0001d531',
+        '\\<uu>'                   : '\U0001d532',
+        '\\<vv>'                   : '\U0001d533',
+        '\\<ww>'                   : '\U0001d534',
+        '\\<xx>'                   : '\U0001d535',
+        '\\<yy>'                   : '\U0001d536',
+        '\\<zz>'                   : '\U0001d537',
+        '\\<alpha>'                : '\U000003b1',
+        '\\<beta>'                 : '\U000003b2',
+        '\\<gamma>'                : '\U000003b3',
+        '\\<delta>'                : '\U000003b4',
+        '\\<epsilon>'              : '\U000003b5',
+        '\\<zeta>'                 : '\U000003b6',
+        '\\<eta>'                  : '\U000003b7',
+        '\\<theta>'                : '\U000003b8',
+        '\\<iota>'                 : '\U000003b9',
+        '\\<kappa>'                : '\U000003ba',
+        '\\<lambda>'               : '\U000003bb',
+        '\\<mu>'                   : '\U000003bc',
+        '\\<nu>'                   : '\U000003bd',
+        '\\<xi>'                   : '\U000003be',
+        '\\<pi>'                   : '\U000003c0',
+        '\\<rho>'                  : '\U000003c1',
+        '\\<sigma>'                : '\U000003c3',
+        '\\<tau>'                  : '\U000003c4',
+        '\\<upsilon>'              : '\U000003c5',
+        '\\<phi>'                  : '\U000003c6',
+        '\\<chi>'                  : '\U000003c7',
+        '\\<psi>'                  : '\U000003c8',
+        '\\<omega>'                : '\U000003c9',
+        '\\<Gamma>'                : '\U00000393',
+        '\\<Delta>'                : '\U00000394',
+        '\\<Theta>'                : '\U00000398',
+        '\\<Lambda>'               : '\U0000039b',
+        '\\<Xi>'                   : '\U0000039e',
+        '\\<Pi>'                   : '\U000003a0',
+        '\\<Sigma>'                : '\U000003a3',
+        '\\<Upsilon>'              : '\U000003a5',
+        '\\<Phi>'                  : '\U000003a6',
+        '\\<Psi>'                  : '\U000003a8',
+        '\\<Omega>'                : '\U000003a9',
+        '\\<bool>'                 : '\U0001d539',
+        '\\<complex>'              : '\U00002102',
+        '\\<nat>'                  : '\U00002115',
+        '\\<rat>'                  : '\U0000211a',
+        '\\<real>'                 : '\U0000211d',
+        '\\<int>'                  : '\U00002124',
+        '\\<leftarrow>'            : '\U00002190',
+        '\\<longleftarrow>'        : '\U000027f5',
+        '\\<rightarrow>'           : '\U00002192',
+        '\\<longrightarrow>'       : '\U000027f6',
+        '\\<Leftarrow>'            : '\U000021d0',
+        '\\<Longleftarrow>'        : '\U000027f8',
+        '\\<Rightarrow>'           : '\U000021d2',
+        '\\<Longrightarrow>'       : '\U000027f9',
+        '\\<leftrightarrow>'       : '\U00002194',
+        '\\<longleftrightarrow>'   : '\U000027f7',
+        '\\<Leftrightarrow>'       : '\U000021d4',
+        '\\<Longleftrightarrow>'   : '\U000027fa',
+        '\\<mapsto>'               : '\U000021a6',
+        '\\<longmapsto>'           : '\U000027fc',
+        '\\<midarrow>'             : '\U00002500',
+        '\\<Midarrow>'             : '\U00002550',
+        '\\<hookleftarrow>'        : '\U000021a9',
+        '\\<hookrightarrow>'       : '\U000021aa',
+        '\\<leftharpoondown>'      : '\U000021bd',
+        '\\<rightharpoondown>'     : '\U000021c1',
+        '\\<leftharpoonup>'        : '\U000021bc',
+        '\\<rightharpoonup>'       : '\U000021c0',
+        '\\<rightleftharpoons>'    : '\U000021cc',
+        '\\<leadsto>'              : '\U0000219d',
+        '\\<downharpoonleft>'      : '\U000021c3',
+        '\\<downharpoonright>'     : '\U000021c2',
+        '\\<upharpoonleft>'        : '\U000021bf',
+        '\\<upharpoonright>'       : '\U000021be',
+        '\\<restriction>'          : '\U000021be',
+        '\\<Colon>'                : '\U00002237',
+        '\\<up>'                   : '\U00002191',
+        '\\<Up>'                   : '\U000021d1',
+        '\\<down>'                 : '\U00002193',
+        '\\<Down>'                 : '\U000021d3',
+        '\\<updown>'               : '\U00002195',
+        '\\<Updown>'               : '\U000021d5',
+        '\\<langle>'               : '\U000027e8',
+        '\\<rangle>'               : '\U000027e9',
+        '\\<lceil>'                : '\U00002308',
+        '\\<rceil>'                : '\U00002309',
+        '\\<lfloor>'               : '\U0000230a',
+        '\\<rfloor>'               : '\U0000230b',
+        '\\<lparr>'                : '\U00002987',
+        '\\<rparr>'                : '\U00002988',
+        '\\<lbrakk>'               : '\U000027e6',
+        '\\<rbrakk>'               : '\U000027e7',
+        '\\<lbrace>'               : '\U00002983',
+        '\\<rbrace>'               : '\U00002984',
+        '\\<guillemotleft>'        : '\U000000ab',
+        '\\<guillemotright>'       : '\U000000bb',
+        '\\<bottom>'               : '\U000022a5',
+        '\\<top>'                  : '\U000022a4',
+        '\\<and>'                  : '\U00002227',
+        '\\<And>'                  : '\U000022c0',
+        '\\<or>'                   : '\U00002228',
+        '\\<Or>'                   : '\U000022c1',
+        '\\<forall>'               : '\U00002200',
+        '\\<exists>'               : '\U00002203',
+        '\\<nexists>'              : '\U00002204',
+        '\\<not>'                  : '\U000000ac',
+        '\\<box>'                  : '\U000025a1',
+        '\\<diamond>'              : '\U000025c7',
+        '\\<turnstile>'            : '\U000022a2',
+        '\\<Turnstile>'            : '\U000022a8',
+        '\\<tturnstile>'           : '\U000022a9',
+        '\\<TTurnstile>'           : '\U000022ab',
+        '\\<stileturn>'            : '\U000022a3',
+        '\\<surd>'                 : '\U0000221a',
+        '\\<le>'                   : '\U00002264',
+        '\\<ge>'                   : '\U00002265',
+        '\\<lless>'                : '\U0000226a',
+        '\\<ggreater>'             : '\U0000226b',
+        '\\<lesssim>'              : '\U00002272',
+        '\\<greatersim>'           : '\U00002273',
+        '\\<lessapprox>'           : '\U00002a85',
+        '\\<greaterapprox>'        : '\U00002a86',
+        '\\<in>'                   : '\U00002208',
+        '\\<notin>'                : '\U00002209',
+        '\\<subset>'               : '\U00002282',
+        '\\<supset>'               : '\U00002283',
+        '\\<subseteq>'             : '\U00002286',
+        '\\<supseteq>'             : '\U00002287',
+        '\\<sqsubset>'             : '\U0000228f',
+        '\\<sqsupset>'             : '\U00002290',
+        '\\<sqsubseteq>'           : '\U00002291',
+        '\\<sqsupseteq>'           : '\U00002292',
+        '\\<inter>'                : '\U00002229',
+        '\\<Inter>'                : '\U000022c2',
+        '\\<union>'                : '\U0000222a',
+        '\\<Union>'                : '\U000022c3',
+        '\\<squnion>'              : '\U00002294',
+        '\\<Squnion>'              : '\U00002a06',
+        '\\<sqinter>'              : '\U00002293',
+        '\\<Sqinter>'              : '\U00002a05',
+        '\\<setminus>'             : '\U00002216',
+        '\\<propto>'               : '\U0000221d',
+        '\\<uplus>'                : '\U0000228e',
+        '\\<Uplus>'                : '\U00002a04',
+        '\\<noteq>'                : '\U00002260',
+        '\\<sim>'                  : '\U0000223c',
+        '\\<doteq>'                : '\U00002250',
+        '\\<simeq>'                : '\U00002243',
+        '\\<approx>'               : '\U00002248',
+        '\\<asymp>'                : '\U0000224d',
+        '\\<cong>'                 : '\U00002245',
+        '\\<smile>'                : '\U00002323',
+        '\\<equiv>'                : '\U00002261',
+        '\\<frown>'                : '\U00002322',
+        '\\<Join>'                 : '\U000022c8',
+        '\\<bowtie>'               : '\U00002a1d',
+        '\\<prec>'                 : '\U0000227a',
+        '\\<succ>'                 : '\U0000227b',
+        '\\<preceq>'               : '\U0000227c',
+        '\\<succeq>'               : '\U0000227d',
+        '\\<parallel>'             : '\U00002225',
+        '\\<bar>'                  : '\U000000a6',
+        '\\<plusminus>'            : '\U000000b1',
+        '\\<minusplus>'            : '\U00002213',
+        '\\<times>'                : '\U000000d7',
+        '\\<div>'                  : '\U000000f7',
+        '\\<cdot>'                 : '\U000022c5',
+        '\\<star>'                 : '\U000022c6',
+        '\\<bullet>'               : '\U00002219',
+        '\\<circ>'                 : '\U00002218',
+        '\\<dagger>'               : '\U00002020',
+        '\\<ddagger>'              : '\U00002021',
+        '\\<lhd>'                  : '\U000022b2',
+        '\\<rhd>'                  : '\U000022b3',
+        '\\<unlhd>'                : '\U000022b4',
+        '\\<unrhd>'                : '\U000022b5',
+        '\\<triangleleft>'         : '\U000025c3',
+        '\\<triangleright>'        : '\U000025b9',
+        '\\<triangle>'             : '\U000025b3',
+        '\\<triangleq>'            : '\U0000225c',
+        '\\<oplus>'                : '\U00002295',
+        '\\<Oplus>'                : '\U00002a01',
+        '\\<otimes>'               : '\U00002297',
+        '\\<Otimes>'               : '\U00002a02',
+        '\\<odot>'                 : '\U00002299',
+        '\\<Odot>'                 : '\U00002a00',
+        '\\<ominus>'               : '\U00002296',
+        '\\<oslash>'               : '\U00002298',
+        '\\<dots>'                 : '\U00002026',
+        '\\<cdots>'                : '\U000022ef',
+        '\\<Sum>'                  : '\U00002211',
+        '\\<Prod>'                 : '\U0000220f',
+        '\\<Coprod>'               : '\U00002210',
+        '\\<infinity>'             : '\U0000221e',
+        '\\<integral>'             : '\U0000222b',
+        '\\<ointegral>'            : '\U0000222e',
+        '\\<clubsuit>'             : '\U00002663',
+        '\\<diamondsuit>'          : '\U00002662',
+        '\\<heartsuit>'            : '\U00002661',
+        '\\<spadesuit>'            : '\U00002660',
+        '\\<aleph>'                : '\U00002135',
+        '\\<emptyset>'             : '\U00002205',
+        '\\<nabla>'                : '\U00002207',
+        '\\<partial>'              : '\U00002202',
+        '\\<flat>'                 : '\U0000266d',
+        '\\<natural>'              : '\U0000266e',
+        '\\<sharp>'                : '\U0000266f',
+        '\\<angle>'                : '\U00002220',
+        '\\<copyright>'            : '\U000000a9',
+        '\\<registered>'           : '\U000000ae',
+        '\\<hyphen>'               : '\U000000ad',
+        '\\<inverse>'              : '\U000000af',
+        '\\<onequarter>'           : '\U000000bc',
+        '\\<onehalf>'              : '\U000000bd',
+        '\\<threequarters>'        : '\U000000be',
+        '\\<ordfeminine>'          : '\U000000aa',
+        '\\<ordmasculine>'         : '\U000000ba',
+        '\\<section>'              : '\U000000a7',
+        '\\<paragraph>'            : '\U000000b6',
+        '\\<exclamdown>'           : '\U000000a1',
+        '\\<questiondown>'         : '\U000000bf',
+        '\\<euro>'                 : '\U000020ac',
+        '\\<pounds>'               : '\U000000a3',
+        '\\<yen>'                  : '\U000000a5',
+        '\\<cent>'                 : '\U000000a2',
+        '\\<currency>'             : '\U000000a4',
+        '\\<degree>'               : '\U000000b0',
+        '\\<amalg>'                : '\U00002a3f',
+        '\\<mho>'                  : '\U00002127',
+        '\\<lozenge>'              : '\U000025ca',
+        '\\<wp>'                   : '\U00002118',
+        '\\<wrong>'                : '\U00002240',
+        '\\<struct>'               : '\U000022c4',
+        '\\<acute>'                : '\U000000b4',
+        '\\<index>'                : '\U00000131',
+        '\\<dieresis>'             : '\U000000a8',
+        '\\<cedilla>'              : '\U000000b8',
+        '\\<hungarumlaut>'         : '\U000002dd',
+        '\\<some>'                 : '\U000003f5',
+        '\\<newline>'              : '\U000023ce',
+        '\\<open>'                 : '\U00002039',
+        '\\<close>'                : '\U0000203a',
+        '\\<here>'                 : '\U00002302',
+        '\\<^sub>'                 : '\U000021e9',
+        '\\<^sup>'                 : '\U000021e7',
+        '\\<^bold>'                : '\U00002759',
+        '\\<^bsub>'                : '\U000021d8',
+        '\\<^esub>'                : '\U000021d9',
+        '\\<^bsup>'                : '\U000021d7',
+        '\\<^esup>'                : '\U000021d6',
+    }
+
+    lang_map = {'isabelle' : isabelle_symbols, 'latex' : latex_symbols}
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        lang = get_choice_opt(options, 'lang',
+                              ['isabelle', 'latex'], 'isabelle')
+        self.symbols = self.lang_map[lang]
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if value in self.symbols:
+                yield ttype, self.symbols[value]
+            else:
+                yield ttype, value
+
+
+class KeywordCaseFilter(Filter):
+    """Convert keywords to lowercase or uppercase or capitalize them, which
+    means first letter uppercase, rest lowercase.
+
+    This can be useful e.g. if you highlight Pascal code and want to adapt the
+    code to your styleguide.
+
+    Options accepted:
+
+    `case` : string
+       The casing to convert keywords to. Must be one of ``'lower'``,
+       ``'upper'`` or ``'capitalize'``.  The default is ``'lower'``.
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        case = get_choice_opt(options, 'case',
+                              ['lower', 'upper', 'capitalize'], 'lower')
+        self.convert = getattr(str, case)
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if ttype in Keyword:
+                yield ttype, self.convert(value)
+            else:
+                yield ttype, value
+
+
+class NameHighlightFilter(Filter):
+    """Highlight a normal Name (and Name.*) token with a different token type.
+
+    Example::
+
+        filter = NameHighlightFilter(
+            names=['foo', 'bar', 'baz'],
+            tokentype=Name.Function,
+        )
+
+    This would highlight the names "foo", "bar" and "baz"
+    as functions. `Name.Function` is the default token type.
+
+    Options accepted:
+
+    `names` : list of strings
+      A list of names that should be given the different token type.
+      There is no default.
+    `tokentype` : TokenType or string
+      A token type or a string containing a token type name that is
+      used for highlighting the strings in `names`.  The default is
+      `Name.Function`.
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        self.names = set(get_list_opt(options, 'names', []))
+        tokentype = options.get('tokentype')
+        if tokentype:
+            self.tokentype = string_to_tokentype(tokentype)
+        else:
+            self.tokentype = Name.Function
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if ttype in Name and value in self.names:
+                yield self.tokentype, value
+            else:
+                yield ttype, value
+
+
+class ErrorToken(Exception):
+    pass
+
+
+class RaiseOnErrorTokenFilter(Filter):
+    """Raise an exception when the lexer generates an error token.
+
+    Options accepted:
+
+    `excclass` : Exception class
+      The exception class to raise.
+      The default is `pygments.filters.ErrorToken`.
+
+    .. versionadded:: 0.8
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        self.exception = options.get('excclass', ErrorToken)
+        try:
+            # issubclass() will raise TypeError if first argument is not a class
+            if not issubclass(self.exception, Exception):
+                raise TypeError
+        except TypeError:
+            raise OptionError('excclass option is not an exception class')
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if ttype is Error:
+                raise self.exception(value)
+            yield ttype, value
+
+
+class VisibleWhitespaceFilter(Filter):
+    """Convert tabs, newlines and/or spaces to visible characters.
+
+    Options accepted:
+
+    `spaces` : string or bool
+      If this is a one-character string, spaces will be replaces by this string.
+      If it is another true value, spaces will be replaced by ``·`` (unicode
+      MIDDLE DOT).  If it is a false value, spaces will not be replaced.  The
+      default is ``False``.
+    `tabs` : string or bool
+      The same as for `spaces`, but the default replacement character is ``»``
+      (unicode RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK).  The default value
+      is ``False``.  Note: this will not work if the `tabsize` option for the
+      lexer is nonzero, as tabs will already have been expanded then.
+    `tabsize` : int
+      If tabs are to be replaced by this filter (see the `tabs` option), this
+      is the total number of characters that a tab should be expanded to.
+      The default is ``8``.
+    `newlines` : string or bool
+      The same as for `spaces`, but the default replacement character is ``¶``
+      (unicode PILCROW SIGN).  The default value is ``False``.
+    `wstokentype` : bool
+      If true, give whitespace the special `Whitespace` token type.  This allows
+      styling the visible whitespace differently (e.g. greyed out), but it can
+      disrupt background colors.  The default is ``True``.
+
+    .. versionadded:: 0.8
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        for name, default in [('spaces',   '·'),
+                              ('tabs',     '»'),
+                              ('newlines', '¶')]:
+            opt = options.get(name, False)
+            if isinstance(opt, str) and len(opt) == 1:
+                setattr(self, name, opt)
+            else:
+                setattr(self, name, (opt and default or ''))
+        tabsize = get_int_opt(options, 'tabsize', 8)
+        if self.tabs:
+            self.tabs += ' ' * (tabsize - 1)
+        if self.newlines:
+            self.newlines += '\n'
+        self.wstt = get_bool_opt(options, 'wstokentype', True)
+
+    def filter(self, lexer, stream):
+        if self.wstt:
+            spaces = self.spaces or ' '
+            tabs = self.tabs or '\t'
+            newlines = self.newlines or '\n'
+            regex = re.compile(r'\s')
+
+            def replacefunc(wschar):
+                if wschar == ' ':
+                    return spaces
+                elif wschar == '\t':
+                    return tabs
+                elif wschar == '\n':
+                    return newlines
+                return wschar
+
+            for ttype, value in stream:
+                yield from _replace_special(ttype, value, regex, Whitespace,
+                                            replacefunc)
+        else:
+            spaces, tabs, newlines = self.spaces, self.tabs, self.newlines
+            # simpler processing
+            for ttype, value in stream:
+                if spaces:
+                    value = value.replace(' ', spaces)
+                if tabs:
+                    value = value.replace('\t', tabs)
+                if newlines:
+                    value = value.replace('\n', newlines)
+                yield ttype, value
+
+
+class GobbleFilter(Filter):
+    """Gobbles source code lines (eats initial characters).
+
+    This filter drops the first ``n`` characters off every line of code.  This
+    may be useful when the source code fed to the lexer is indented by a fixed
+    amount of space that isn't desired in the output.
+
+    Options accepted:
+
+    `n` : int
+       The number of characters to gobble.
+
+    .. versionadded:: 1.2
+    """
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        self.n = get_int_opt(options, 'n', 0)
+
+    def gobble(self, value, left):
+        if left < len(value):
+            return value[left:], 0
+        else:
+            return '', left - len(value)
+
+    def filter(self, lexer, stream):
+        n = self.n
+        left = n  # How many characters left to gobble.
+        for ttype, value in stream:
+            # Remove ``left`` tokens from first line, ``n`` from all others.
+            parts = value.split('\n')
+            (parts[0], left) = self.gobble(parts[0], left)
+            for i in range(1, len(parts)):
+                (parts[i], left) = self.gobble(parts[i], n)
+            value = '\n'.join(parts)
+
+            if value != '':
+                yield ttype, value
+
+
+class TokenMergeFilter(Filter):
+    """Merges consecutive tokens with the same token type in the output
+    stream of a lexer.
+
+    .. versionadded:: 1.2
+    """
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+
+    def filter(self, lexer, stream):
+        current_type = None
+        current_value = None
+        for ttype, value in stream:
+            if ttype is current_type:
+                current_value += value
+            else:
+                if current_type is not None:
+                    yield current_type, current_value
+                current_type = ttype
+                current_value = value
+        if current_type is not None:
+            yield current_type, current_value
+
+
+FILTERS = {
+    'codetagify':     CodeTagFilter,
+    'keywordcase':    KeywordCaseFilter,
+    'highlight':      NameHighlightFilter,
+    'raiseonerror':   RaiseOnErrorTokenFilter,
+    'whitespace':     VisibleWhitespaceFilter,
+    'gobble':         GobbleFilter,
+    'tokenmerge':     TokenMergeFilter,
+    'symbols':        SymbolFilter,
+}
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/filters/__pycache__/__init__.cpython-310.pyc b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/filters/__pycache__/__init__.cpython-310.pyc
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..34f2bec59816c82f15bc875267d6de4c0cc7d7e4
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/__init__.py
@@ -0,0 +1,153 @@
+"""
+    pygments.formatters
+    ~~~~~~~~~~~~~~~~~~~
+
+    Pygments formatters.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+import sys
+import types
+import fnmatch
+from os.path import basename
+
+from pip._vendor.pygments.formatters._mapping import FORMATTERS
+from pip._vendor.pygments.plugin import find_plugin_formatters
+from pip._vendor.pygments.util import ClassNotFound
+
+__all__ = ['get_formatter_by_name', 'get_formatter_for_filename',
+           'get_all_formatters', 'load_formatter_from_file'] + list(FORMATTERS)
+
+_formatter_cache = {}  # classes by name
+_pattern_cache = {}
+
+
+def _fn_matches(fn, glob):
+    """Return whether the supplied file name fn matches pattern filename."""
+    if glob not in _pattern_cache:
+        pattern = _pattern_cache[glob] = re.compile(fnmatch.translate(glob))
+        return pattern.match(fn)
+    return _pattern_cache[glob].match(fn)
+
+
+def _load_formatters(module_name):
+    """Load a formatter (and all others in the module too)."""
+    mod = __import__(module_name, None, None, ['__all__'])
+    for formatter_name in mod.__all__:
+        cls = getattr(mod, formatter_name)
+        _formatter_cache[cls.name] = cls
+
+
+def get_all_formatters():
+    """Return a generator for all formatter classes."""
+    # NB: this returns formatter classes, not info like get_all_lexers().
+    for info in FORMATTERS.values():
+        if info[1] not in _formatter_cache:
+            _load_formatters(info[0])
+        yield _formatter_cache[info[1]]
+    for _, formatter in find_plugin_formatters():
+        yield formatter
+
+
+def find_formatter_class(alias):
+    """Lookup a formatter by alias.
+
+    Returns None if not found.
+    """
+    for module_name, name, aliases, _, _ in FORMATTERS.values():
+        if alias in aliases:
+            if name not in _formatter_cache:
+                _load_formatters(module_name)
+            return _formatter_cache[name]
+    for _, cls in find_plugin_formatters():
+        if alias in cls.aliases:
+            return cls
+
+
+def get_formatter_by_name(_alias, **options):
+    """Lookup and instantiate a formatter by alias.
+
+    Raises ClassNotFound if not found.
+    """
+    cls = find_formatter_class(_alias)
+    if cls is None:
+        raise ClassNotFound("no formatter found for name %r" % _alias)
+    return cls(**options)
+
+
+def load_formatter_from_file(filename, formattername="CustomFormatter",
+                             **options):
+    """Load a formatter from a file.
+
+    This method expects a file located relative to the current working
+    directory, which contains a class named CustomFormatter. By default,
+    it expects the Formatter to be named CustomFormatter; you can specify
+    your own class name as the second argument to this function.
+
+    Users should be very careful with the input, because this method
+    is equivalent to running eval on the input file.
+
+    Raises ClassNotFound if there are any problems importing the Formatter.
+
+    .. versionadded:: 2.2
+    """
+    try:
+        # This empty dict will contain the namespace for the exec'd file
+        custom_namespace = {}
+        with open(filename, 'rb') as f:
+            exec(f.read(), custom_namespace)
+        # Retrieve the class `formattername` from that namespace
+        if formattername not in custom_namespace:
+            raise ClassNotFound('no valid %s class found in %s' %
+                                (formattername, filename))
+        formatter_class = custom_namespace[formattername]
+        # And finally instantiate it with the options
+        return formatter_class(**options)
+    except OSError as err:
+        raise ClassNotFound('cannot read %s: %s' % (filename, err))
+    except ClassNotFound:
+        raise
+    except Exception as err:
+        raise ClassNotFound('error when loading custom formatter: %s' % err)
+
+
+def get_formatter_for_filename(fn, **options):
+    """Lookup and instantiate a formatter by filename pattern.
+
+    Raises ClassNotFound if not found.
+    """
+    fn = basename(fn)
+    for modname, name, _, filenames, _ in FORMATTERS.values():
+        for filename in filenames:
+            if _fn_matches(fn, filename):
+                if name not in _formatter_cache:
+                    _load_formatters(modname)
+                return _formatter_cache[name](**options)
+    for cls in find_plugin_formatters():
+        for filename in cls.filenames:
+            if _fn_matches(fn, filename):
+                return cls(**options)
+    raise ClassNotFound("no formatter found for file name %r" % fn)
+
+
+class _automodule(types.ModuleType):
+    """Automatically import formatters."""
+
+    def __getattr__(self, name):
+        info = FORMATTERS.get(name)
+        if info:
+            _load_formatters(info[0])
+            cls = _formatter_cache[info[1]]
+            setattr(self, name, cls)
+            return cls
+        raise AttributeError(name)
+
+
+oldmod = sys.modules[__name__]
+newmod = _automodule(__name__)
+newmod.__dict__.update(oldmod.__dict__)
+sys.modules[__name__] = newmod
+del newmod.newmod, newmod.oldmod, newmod.sys, newmod.types
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/_mapping.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/_mapping.py
new file mode 100644
index 0000000000000000000000000000000000000000..57445dc98edd1a03f6c6c6e9bb1f96510d10d94a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/_mapping.py
@@ -0,0 +1,84 @@
+"""
+    pygments.formatters._mapping
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter mapping definitions. This file is generated by itself. Everytime
+    you change something on a builtin formatter definition, run this script from
+    the formatters folder to update it.
+
+    Do not alter the FORMATTERS dictionary by hand.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+FORMATTERS = {
+    'BBCodeFormatter': ('pygments.formatters.bbcode', 'BBCode', ('bbcode', 'bb'), (), 'Format tokens with BBcodes. These formatting codes are used by many bulletin boards, so you can highlight your sourcecode with pygments before posting it there.'),
+    'BmpImageFormatter': ('pygments.formatters.img', 'img_bmp', ('bmp', 'bitmap'), ('*.bmp',), 'Create a bitmap image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'GifImageFormatter': ('pygments.formatters.img', 'img_gif', ('gif',), ('*.gif',), 'Create a GIF image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'GroffFormatter': ('pygments.formatters.groff', 'groff', ('groff', 'troff', 'roff'), (), 'Format tokens with groff escapes to change their color and font style.'),
+    'HtmlFormatter': ('pygments.formatters.html', 'HTML', ('html',), ('*.html', '*.htm'), "Format tokens as HTML 4 ``<span>`` tags within a ``<pre>`` tag, wrapped in a ``<div>`` tag. The ``<div>``'s CSS class can be set by the `cssclass` option."),
+    'IRCFormatter': ('pygments.formatters.irc', 'IRC', ('irc', 'IRC'), (), 'Format tokens with IRC color sequences'),
+    'ImageFormatter': ('pygments.formatters.img', 'img', ('img', 'IMG', 'png'), ('*.png',), 'Create a PNG image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'JpgImageFormatter': ('pygments.formatters.img', 'img_jpg', ('jpg', 'jpeg'), ('*.jpg',), 'Create a JPEG image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'LatexFormatter': ('pygments.formatters.latex', 'LaTeX', ('latex', 'tex'), ('*.tex',), 'Format tokens as LaTeX code. This needs the `fancyvrb` and `color` standard packages.'),
+    'NullFormatter': ('pygments.formatters.other', 'Text only', ('text', 'null'), ('*.txt',), 'Output the text unchanged without any formatting.'),
+    'PangoMarkupFormatter': ('pygments.formatters.pangomarkup', 'Pango Markup', ('pango', 'pangomarkup'), (), 'Format tokens as Pango Markup code. It can then be rendered to an SVG.'),
+    'RawTokenFormatter': ('pygments.formatters.other', 'Raw tokens', ('raw', 'tokens'), ('*.raw',), 'Format tokens as a raw representation for storing token streams.'),
+    'RtfFormatter': ('pygments.formatters.rtf', 'RTF', ('rtf',), ('*.rtf',), 'Format tokens as RTF markup. This formatter automatically outputs full RTF documents with color information and other useful stuff. Perfect for Copy and Paste into Microsoft(R) Word(R) documents.'),
+    'SvgFormatter': ('pygments.formatters.svg', 'SVG', ('svg',), ('*.svg',), 'Format tokens as an SVG graphics file.  This formatter is still experimental. Each line of code is a ``<text>`` element with explicit ``x`` and ``y`` coordinates containing ``<tspan>`` elements with the individual token styles.'),
+    'Terminal256Formatter': ('pygments.formatters.terminal256', 'Terminal256', ('terminal256', 'console256', '256'), (), 'Format tokens with ANSI color sequences, for output in a 256-color terminal or console.  Like in `TerminalFormatter` color sequences are terminated at newlines, so that paging the output works correctly.'),
+    'TerminalFormatter': ('pygments.formatters.terminal', 'Terminal', ('terminal', 'console'), (), 'Format tokens with ANSI color sequences, for output in a text console. Color sequences are terminated at newlines, so that paging the output works correctly.'),
+    'TerminalTrueColorFormatter': ('pygments.formatters.terminal256', 'TerminalTrueColor', ('terminal16m', 'console16m', '16m'), (), 'Format tokens with ANSI color sequences, for output in a true-color terminal or console.  Like in `TerminalFormatter` color sequences are terminated at newlines, so that paging the output works correctly.'),
+    'TestcaseFormatter': ('pygments.formatters.other', 'Testcase', ('testcase',), (), 'Format tokens as appropriate for a new testcase.')
+}
+
+if __name__ == '__main__':  # pragma: no cover
+    import sys
+    import os
+
+    # lookup formatters
+    found_formatters = []
+    imports = []
+    sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
+    from pip._vendor.pygments.util import docstring_headline
+
+    for root, dirs, files in os.walk('.'):
+        for filename in files:
+            if filename.endswith('.py') and not filename.startswith('_'):
+                module_name = 'pygments.formatters%s.%s' % (
+                    root[1:].replace('/', '.'), filename[:-3])
+                print(module_name)
+                module = __import__(module_name, None, None, [''])
+                for formatter_name in module.__all__:
+                    formatter = getattr(module, formatter_name)
+                    found_formatters.append(
+                        '%r: %r' % (formatter_name,
+                                    (module_name,
+                                     formatter.name,
+                                     tuple(formatter.aliases),
+                                     tuple(formatter.filenames),
+                                     docstring_headline(formatter))))
+    # sort them to make the diff minimal
+    found_formatters.sort()
+
+    # extract useful sourcecode from this file
+    with open(__file__) as fp:
+        content = fp.read()
+        # replace crnl to nl for Windows.
+        #
+        # Note that, originally, contributers should keep nl of master
+        # repository, for example by using some kind of automatic
+        # management EOL, like `EolExtension
+        #  <https://www.mercurial-scm.org/wiki/EolExtension>`.
+        content = content.replace("\r\n", "\n")
+    header = content[:content.find('FORMATTERS = {')]
+    footer = content[content.find("if __name__ == '__main__':"):]
+
+    # write new file
+    with open(__file__, 'w') as fp:
+        fp.write(header)
+        fp.write('FORMATTERS = {\n    %s\n}\n\n' % ',\n    '.join(found_formatters))
+        fp.write(footer)
+
+    print ('=== %d formatters processed.' % len(found_formatters))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/bbcode.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/bbcode.py
new file mode 100644
index 0000000000000000000000000000000000000000..35a37328ec7d835ae510a7a9b0127bb9b790b3c1
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/bbcode.py
@@ -0,0 +1,108 @@
+"""
+    pygments.formatters.bbcode
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    BBcode formatter.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_bool_opt
+
+__all__ = ['BBCodeFormatter']
+
+
+class BBCodeFormatter(Formatter):
+    """
+    Format tokens with BBcodes. These formatting codes are used by many
+    bulletin boards, so you can highlight your sourcecode with pygments before
+    posting it there.
+
+    This formatter has no support for background colors and borders, as there
+    are no common BBcode tags for that.
+
+    Some board systems (e.g. phpBB) don't support colors in their [code] tag,
+    so you can't use the highlighting together with that tag.
+    Text in a [code] tag usually is shown with a monospace font (which this
+    formatter can do with the ``monofont`` option) and no spaces (which you
+    need for indentation) are removed.
+
+    Additional options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `codetag`
+        If set to true, put the output into ``[code]`` tags (default:
+        ``false``)
+
+    `monofont`
+        If set to true, add a tag to show the code with a monospace font
+        (default: ``false``).
+    """
+    name = 'BBCode'
+    aliases = ['bbcode', 'bb']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self._code = get_bool_opt(options, 'codetag', False)
+        self._mono = get_bool_opt(options, 'monofont', False)
+
+        self.styles = {}
+        self._make_styles()
+
+    def _make_styles(self):
+        for ttype, ndef in self.style:
+            start = end = ''
+            if ndef['color']:
+                start += '[color=#%s]' % ndef['color']
+                end = '[/color]' + end
+            if ndef['bold']:
+                start += '[b]'
+                end = '[/b]' + end
+            if ndef['italic']:
+                start += '[i]'
+                end = '[/i]' + end
+            if ndef['underline']:
+                start += '[u]'
+                end = '[/u]' + end
+            # there are no common BBcodes for background-color and border
+
+            self.styles[ttype] = start, end
+
+    def format_unencoded(self, tokensource, outfile):
+        if self._code:
+            outfile.write('[code]')
+        if self._mono:
+            outfile.write('[font=monospace]')
+
+        lastval = ''
+        lasttype = None
+
+        for ttype, value in tokensource:
+            while ttype not in self.styles:
+                ttype = ttype.parent
+            if ttype == lasttype:
+                lastval += value
+            else:
+                if lastval:
+                    start, end = self.styles[lasttype]
+                    outfile.write(''.join((start, lastval, end)))
+                lastval = value
+                lasttype = ttype
+
+        if lastval:
+            start, end = self.styles[lasttype]
+            outfile.write(''.join((start, lastval, end)))
+
+        if self._mono:
+            outfile.write('[/font]')
+        if self._code:
+            outfile.write('[/code]')
+        if self._code or self._mono:
+            outfile.write('\n')
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/groff.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/groff.py
new file mode 100644
index 0000000000000000000000000000000000000000..da9d7fca06966507815c1eb4cd54b44a46825f83
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/groff.py
@@ -0,0 +1,168 @@
+"""
+    pygments.formatters.groff
+    ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for groff output.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import math
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt
+
+__all__ = ['GroffFormatter']
+
+
+class GroffFormatter(Formatter):
+    """
+    Format tokens with groff escapes to change their color and font style.
+
+    .. versionadded:: 2.11
+
+    Additional options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `monospaced`
+        If set to true, monospace font will be used (default: ``true``).
+
+    `linenos`
+        If set to true, print the line numbers (default: ``false``).
+
+    `wrap`
+        Wrap lines to the specified number of characters. Disabled if set to 0
+        (default: ``0``).
+    """
+
+    name = 'groff'
+    aliases = ['groff','troff','roff']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+
+        self.monospaced = get_bool_opt(options, 'monospaced', True)
+        self.linenos = get_bool_opt(options, 'linenos', False)
+        self._lineno = 0
+        self.wrap = get_int_opt(options, 'wrap', 0)
+        self._linelen = 0
+
+        self.styles = {}
+        self._make_styles()
+
+
+    def _make_styles(self):
+        regular = '\\f[CR]' if self.monospaced else '\\f[R]'
+        bold = '\\f[CB]' if self.monospaced else '\\f[B]'
+        italic = '\\f[CI]' if self.monospaced else '\\f[I]'
+
+        for ttype, ndef in self.style:
+            start = end = ''
+            if ndef['color']:
+                start += '\\m[%s]' % ndef['color']
+                end = '\\m[]' + end
+            if ndef['bold']:
+                start += bold
+                end = regular + end
+            if ndef['italic']:
+                start += italic
+                end = regular + end
+            if ndef['bgcolor']:
+                start += '\\M[%s]' % ndef['bgcolor']
+                end = '\\M[]' + end
+
+            self.styles[ttype] = start, end
+
+
+    def _define_colors(self, outfile):
+        colors = set()
+        for _, ndef in self.style:
+            if ndef['color'] is not None:
+                colors.add(ndef['color'])
+
+        for color in colors:
+            outfile.write('.defcolor ' + color + ' rgb #' + color + '\n')
+
+
+    def _write_lineno(self, outfile):
+        self._lineno += 1
+        outfile.write("%s% 4d " % (self._lineno != 1 and '\n' or '', self._lineno))
+
+
+    def _wrap_line(self, line):
+        length = len(line.rstrip('\n'))
+        space = '     ' if self.linenos else ''
+        newline = ''
+
+        if length > self.wrap:
+            for i in range(0, math.floor(length / self.wrap)):
+                chunk = line[i*self.wrap:i*self.wrap+self.wrap]
+                newline += (chunk + '\n' + space)
+            remainder = length % self.wrap
+            if remainder > 0:
+                newline += line[-remainder-1:]
+                self._linelen = remainder
+        elif self._linelen + length > self.wrap:
+            newline = ('\n' + space) + line
+            self._linelen = length
+        else:
+            newline = line
+            self._linelen += length
+
+        return newline
+
+
+    def _escape_chars(self, text):
+        text = text.replace('\\', '\\[u005C]'). \
+                    replace('.', '\\[char46]'). \
+                    replace('\'', '\\[u0027]'). \
+                    replace('`', '\\[u0060]'). \
+                    replace('~', '\\[u007E]')
+        copy = text
+
+        for char in copy:
+            if len(char) != len(char.encode()):
+                uni = char.encode('unicode_escape') \
+                    .decode()[1:] \
+                    .replace('x', 'u00') \
+                    .upper()
+                text = text.replace(char, '\\[u' + uni[1:] + ']')
+
+        return text
+
+
+    def format_unencoded(self, tokensource, outfile):
+        self._define_colors(outfile)
+
+        outfile.write('.nf\n\\f[CR]\n')
+
+        if self.linenos:
+            self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            start, end = self.styles[ttype]
+
+            for line in value.splitlines(True):
+                if self.wrap > 0:
+                    line = self._wrap_line(line)
+
+                if start and end:
+                    text = self._escape_chars(line.rstrip('\n'))
+                    if text != '':
+                        outfile.write(''.join((start, text, end)))
+                else:
+                    outfile.write(self._escape_chars(line.rstrip('\n')))
+
+                if line.endswith('\n'):
+                    if self.linenos:
+                        self._write_lineno(outfile)
+                        self._linelen = 0
+                    else:
+                        outfile.write('\n')
+                        self._linelen = 0
+
+        outfile.write('\n.fi')
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/html.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/html.py
new file mode 100644
index 0000000000000000000000000000000000000000..47f5d9c17fbfed747f57cedb697c07f43f451604
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/html.py
@@ -0,0 +1,983 @@
+"""
+    pygments.formatters.html
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for HTML output.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import functools
+import os
+import sys
+import os.path
+from io import StringIO
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Token, Text, STANDARD_TYPES
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt, get_list_opt
+
+try:
+    import ctags
+except ImportError:
+    ctags = None
+
+__all__ = ['HtmlFormatter']
+
+
+_escape_html_table = {
+    ord('&'): '&amp;',
+    ord('<'): '&lt;',
+    ord('>'): '&gt;',
+    ord('"'): '&quot;',
+    ord("'"): '&#39;',
+}
+
+
+def escape_html(text, table=_escape_html_table):
+    """Escape &, <, > as well as single and double quotes for HTML."""
+    return text.translate(table)
+
+
+def webify(color):
+    if color.startswith('calc') or color.startswith('var'):
+        return color
+    else:
+        return '#' + color
+
+
+def _get_ttype_class(ttype):
+    fname = STANDARD_TYPES.get(ttype)
+    if fname:
+        return fname
+    aname = ''
+    while fname is None:
+        aname = '-' + ttype[-1] + aname
+        ttype = ttype.parent
+        fname = STANDARD_TYPES.get(ttype)
+    return fname + aname
+
+
+CSSFILE_TEMPLATE = '''\
+/*
+generated by Pygments <https://pygments.org/>
+Copyright 2006-2021 by the Pygments team.
+Licensed under the BSD license, see LICENSE for details.
+*/
+%(styledefs)s
+'''
+
+DOC_HEADER = '''\
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
+   "http://www.w3.org/TR/html4/strict.dtd">
+<!--
+generated by Pygments <https://pygments.org/>
+Copyright 2006-2021 by the Pygments team.
+Licensed under the BSD license, see LICENSE for details.
+-->
+<html>
+<head>
+  <title>%(title)s</title>
+  <meta http-equiv="content-type" content="text/html; charset=%(encoding)s">
+  <style type="text/css">
+''' + CSSFILE_TEMPLATE + '''
+  </style>
+</head>
+<body>
+<h2>%(title)s</h2>
+
+'''
+
+DOC_HEADER_EXTERNALCSS = '''\
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
+   "http://www.w3.org/TR/html4/strict.dtd">
+
+<html>
+<head>
+  <title>%(title)s</title>
+  <meta http-equiv="content-type" content="text/html; charset=%(encoding)s">
+  <link rel="stylesheet" href="%(cssfile)s" type="text/css">
+</head>
+<body>
+<h2>%(title)s</h2>
+
+'''
+
+DOC_FOOTER = '''\
+</body>
+</html>
+'''
+
+
+class HtmlFormatter(Formatter):
+    r"""
+    Format tokens as HTML 4 ``<span>`` tags within a ``<pre>`` tag, wrapped
+    in a ``<div>`` tag. The ``<div>``'s CSS class can be set by the `cssclass`
+    option.
+
+    If the `linenos` option is set to ``"table"``, the ``<pre>`` is
+    additionally wrapped inside a ``<table>`` which has one row and two
+    cells: one containing the line numbers and one containing the code.
+    Example:
+
+    .. sourcecode:: html
+
+        <div class="highlight" >
+        <table><tr>
+          <td class="linenos" title="click to toggle"
+            onclick="with (this.firstChild.style)
+                     { display = (display == '') ? 'none' : '' }">
+            <pre>1
+            2</pre>
+          </td>
+          <td class="code">
+            <pre><span class="Ke">def </span><span class="NaFu">foo</span>(bar):
+              <span class="Ke">pass</span>
+            </pre>
+          </td>
+        </tr></table></div>
+
+    (whitespace added to improve clarity).
+
+    Wrapping can be disabled using the `nowrap` option.
+
+    A list of lines can be specified using the `hl_lines` option to make these
+    lines highlighted (as of Pygments 0.11).
+
+    With the `full` option, a complete HTML 4 document is output, including
+    the style definitions inside a ``<style>`` tag, or in a separate file if
+    the `cssfile` option is given.
+
+    When `tagsfile` is set to the path of a ctags index file, it is used to
+    generate hyperlinks from names to their definition.  You must enable
+    `lineanchors` and run ctags with the `-n` option for this to work.  The
+    `python-ctags` module from PyPI must be installed to use this feature;
+    otherwise a `RuntimeError` will be raised.
+
+    The `get_style_defs(arg='')` method of a `HtmlFormatter` returns a string
+    containing CSS rules for the CSS classes used by the formatter. The
+    argument `arg` can be used to specify additional CSS selectors that
+    are prepended to the classes. A call `fmter.get_style_defs('td .code')`
+    would result in the following CSS classes:
+
+    .. sourcecode:: css
+
+        td .code .kw { font-weight: bold; color: #00FF00 }
+        td .code .cm { color: #999999 }
+        ...
+
+    If you have Pygments 0.6 or higher, you can also pass a list or tuple to the
+    `get_style_defs()` method to request multiple prefixes for the tokens:
+
+    .. sourcecode:: python
+
+        formatter.get_style_defs(['div.syntax pre', 'pre.syntax'])
+
+    The output would then look like this:
+
+    .. sourcecode:: css
+
+        div.syntax pre .kw,
+        pre.syntax .kw { font-weight: bold; color: #00FF00 }
+        div.syntax pre .cm,
+        pre.syntax .cm { color: #999999 }
+        ...
+
+    Additional options accepted:
+
+    `nowrap`
+        If set to ``True``, don't wrap the tokens at all, not even inside a ``<pre>``
+        tag. This disables most other options (default: ``False``).
+
+    `full`
+        Tells the formatter to output a "full" document, i.e. a complete
+        self-contained document (default: ``False``).
+
+    `title`
+        If `full` is true, the title that should be used to caption the
+        document (default: ``''``).
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``). This option has no effect if the `cssfile`
+        and `noclobber_cssfile` option are given and the file specified in
+        `cssfile` exists.
+
+    `noclasses`
+        If set to true, token ``<span>`` tags (as well as line number elements)
+        will not use CSS classes, but inline styles. This is not recommended
+        for larger pieces of code since it increases output size by quite a bit
+        (default: ``False``).
+
+    `classprefix`
+        Since the token types use relatively short class names, they may clash
+        with some of your own class names. In this case you can use the
+        `classprefix` option to give a string to prepend to all Pygments-generated
+        CSS class names for token types.
+        Note that this option also affects the output of `get_style_defs()`.
+
+    `cssclass`
+        CSS class for the wrapping ``<div>`` tag (default: ``'highlight'``).
+        If you set this option, the default selector for `get_style_defs()`
+        will be this class.
+
+        .. versionadded:: 0.9
+           If you select the ``'table'`` line numbers, the wrapping table will
+           have a CSS class of this string plus ``'table'``, the default is
+           accordingly ``'highlighttable'``.
+
+    `cssstyles`
+        Inline CSS styles for the wrapping ``<div>`` tag (default: ``''``).
+
+    `prestyles`
+        Inline CSS styles for the ``<pre>`` tag (default: ``''``).
+
+        .. versionadded:: 0.11
+
+    `cssfile`
+        If the `full` option is true and this option is given, it must be the
+        name of an external file. If the filename does not include an absolute
+        path, the file's path will be assumed to be relative to the main output
+        file's path, if the latter can be found. The stylesheet is then written
+        to this file instead of the HTML file.
+
+        .. versionadded:: 0.6
+
+    `noclobber_cssfile`
+        If `cssfile` is given and the specified file exists, the css file will
+        not be overwritten. This allows the use of the `full` option in
+        combination with a user specified css file. Default is ``False``.
+
+        .. versionadded:: 1.1
+
+    `linenos`
+        If set to ``'table'``, output line numbers as a table with two cells,
+        one containing the line numbers, the other the whole code.  This is
+        copy-and-paste-friendly, but may cause alignment problems with some
+        browsers or fonts.  If set to ``'inline'``, the line numbers will be
+        integrated in the ``<pre>`` tag that contains the code (that setting
+        is *new in Pygments 0.8*).
+
+        For compatibility with Pygments 0.7 and earlier, every true value
+        except ``'inline'`` means the same as ``'table'`` (in particular, that
+        means also ``True``).
+
+        The default value is ``False``, which means no line numbers at all.
+
+        **Note:** with the default ("table") line number mechanism, the line
+        numbers and code can have different line heights in Internet Explorer
+        unless you give the enclosing ``<pre>`` tags an explicit ``line-height``
+        CSS property (you get the default line spacing with ``line-height:
+        125%``).
+
+    `hl_lines`
+        Specify a list of lines to be highlighted. The line numbers are always
+        relative to the input (i.e. the first line is line 1) and are
+        independent of `linenostart`.
+
+        .. versionadded:: 0.11
+
+    `linenostart`
+        The line number for the first line (default: ``1``).
+
+    `linenostep`
+        If set to a number n > 1, only every nth line number is printed.
+
+    `linenospecial`
+        If set to a number n > 0, every nth line number is given the CSS
+        class ``"special"`` (default: ``0``).
+
+    `nobackground`
+        If set to ``True``, the formatter won't output the background color
+        for the wrapping element (this automatically defaults to ``False``
+        when there is no wrapping element [eg: no argument for the
+        `get_syntax_defs` method given]) (default: ``False``).
+
+        .. versionadded:: 0.6
+
+    `lineseparator`
+        This string is output between lines of code. It defaults to ``"\n"``,
+        which is enough to break a line inside ``<pre>`` tags, but you can
+        e.g. set it to ``"<br>"`` to get HTML line breaks.
+
+        .. versionadded:: 0.7
+
+    `lineanchors`
+        If set to a nonempty string, e.g. ``foo``, the formatter will wrap each
+        output line in an anchor tag with an ``id`` (and `name`) of ``foo-linenumber``.
+        This allows easy linking to certain lines.
+
+        .. versionadded:: 0.9
+
+    `linespans`
+        If set to a nonempty string, e.g. ``foo``, the formatter will wrap each
+        output line in a span tag with an ``id`` of ``foo-linenumber``.
+        This allows easy access to lines via javascript.
+
+        .. versionadded:: 1.6
+
+    `anchorlinenos`
+        If set to `True`, will wrap line numbers in <a> tags. Used in
+        combination with `linenos` and `lineanchors`.
+
+    `tagsfile`
+        If set to the path of a ctags file, wrap names in anchor tags that
+        link to their definitions. `lineanchors` should be used, and the
+        tags file should specify line numbers (see the `-n` option to ctags).
+
+        .. versionadded:: 1.6
+
+    `tagurlformat`
+        A string formatting pattern used to generate links to ctags definitions.
+        Available variables are `%(path)s`, `%(fname)s` and `%(fext)s`.
+        Defaults to an empty string, resulting in just `#prefix-number` links.
+
+        .. versionadded:: 1.6
+
+    `filename`
+        A string used to generate a filename when rendering ``<pre>`` blocks,
+        for example if displaying source code. If `linenos` is set to
+        ``'table'`` then the filename will be rendered in an initial row
+        containing a single `<th>` which spans both columns.
+
+        .. versionadded:: 2.1
+
+    `wrapcode`
+        Wrap the code inside ``<pre>`` blocks using ``<code>``, as recommended
+        by the HTML5 specification.
+
+        .. versionadded:: 2.4
+
+    `debug_token_types`
+        Add ``title`` attributes to all token ``<span>`` tags that show the
+        name of the token.
+
+        .. versionadded:: 2.10
+
+
+    **Subclassing the HTML formatter**
+
+    .. versionadded:: 0.7
+
+    The HTML formatter is now built in a way that allows easy subclassing, thus
+    customizing the output HTML code. The `format()` method calls
+    `self._format_lines()` which returns a generator that yields tuples of ``(1,
+    line)``, where the ``1`` indicates that the ``line`` is a line of the
+    formatted source code.
+
+    If the `nowrap` option is set, the generator is the iterated over and the
+    resulting HTML is output.
+
+    Otherwise, `format()` calls `self.wrap()`, which wraps the generator with
+    other generators. These may add some HTML code to the one generated by
+    `_format_lines()`, either by modifying the lines generated by the latter,
+    then yielding them again with ``(1, line)``, and/or by yielding other HTML
+    code before or after the lines, with ``(0, html)``. The distinction between
+    source lines and other code makes it possible to wrap the generator multiple
+    times.
+
+    The default `wrap()` implementation adds a ``<div>`` and a ``<pre>`` tag.
+
+    A custom `HtmlFormatter` subclass could look like this:
+
+    .. sourcecode:: python
+
+        class CodeHtmlFormatter(HtmlFormatter):
+
+            def wrap(self, source, outfile):
+                return self._wrap_code(source)
+
+            def _wrap_code(self, source):
+                yield 0, '<code>'
+                for i, t in source:
+                    if i == 1:
+                        # it's a line of formatted code
+                        t += '<br>'
+                    yield i, t
+                yield 0, '</code>'
+
+    This results in wrapping the formatted lines with a ``<code>`` tag, where the
+    source lines are broken using ``<br>`` tags.
+
+    After calling `wrap()`, the `format()` method also adds the "line numbers"
+    and/or "full document" wrappers if the respective options are set. Then, all
+    HTML yielded by the wrapped generator is output.
+    """
+
+    name = 'HTML'
+    aliases = ['html']
+    filenames = ['*.html', '*.htm']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.title = self._decodeifneeded(self.title)
+        self.nowrap = get_bool_opt(options, 'nowrap', False)
+        self.noclasses = get_bool_opt(options, 'noclasses', False)
+        self.classprefix = options.get('classprefix', '')
+        self.cssclass = self._decodeifneeded(options.get('cssclass', 'highlight'))
+        self.cssstyles = self._decodeifneeded(options.get('cssstyles', ''))
+        self.prestyles = self._decodeifneeded(options.get('prestyles', ''))
+        self.cssfile = self._decodeifneeded(options.get('cssfile', ''))
+        self.noclobber_cssfile = get_bool_opt(options, 'noclobber_cssfile', False)
+        self.tagsfile = self._decodeifneeded(options.get('tagsfile', ''))
+        self.tagurlformat = self._decodeifneeded(options.get('tagurlformat', ''))
+        self.filename = self._decodeifneeded(options.get('filename', ''))
+        self.wrapcode = get_bool_opt(options, 'wrapcode', False)
+        self.span_element_openers = {}
+        self.debug_token_types = get_bool_opt(options, 'debug_token_types', False)
+
+        if self.tagsfile:
+            if not ctags:
+                raise RuntimeError('The "ctags" package must to be installed '
+                                   'to be able to use the "tagsfile" feature.')
+            self._ctags = ctags.CTags(self.tagsfile)
+
+        linenos = options.get('linenos', False)
+        if linenos == 'inline':
+            self.linenos = 2
+        elif linenos:
+            # compatibility with <= 0.7
+            self.linenos = 1
+        else:
+            self.linenos = 0
+        self.linenostart = abs(get_int_opt(options, 'linenostart', 1))
+        self.linenostep = abs(get_int_opt(options, 'linenostep', 1))
+        self.linenospecial = abs(get_int_opt(options, 'linenospecial', 0))
+        self.nobackground = get_bool_opt(options, 'nobackground', False)
+        self.lineseparator = options.get('lineseparator', '\n')
+        self.lineanchors = options.get('lineanchors', '')
+        self.linespans = options.get('linespans', '')
+        self.anchorlinenos = get_bool_opt(options, 'anchorlinenos', False)
+        self.hl_lines = set()
+        for lineno in get_list_opt(options, 'hl_lines', []):
+            try:
+                self.hl_lines.add(int(lineno))
+            except ValueError:
+                pass
+
+        self._create_stylesheet()
+
+    def _get_css_class(self, ttype):
+        """Return the css class of this token type prefixed with
+        the classprefix option."""
+        ttypeclass = _get_ttype_class(ttype)
+        if ttypeclass:
+            return self.classprefix + ttypeclass
+        return ''
+
+    def _get_css_classes(self, ttype):
+        """Return the CSS classes of this token type prefixed with the classprefix option."""
+        cls = self._get_css_class(ttype)
+        while ttype not in STANDARD_TYPES:
+            ttype = ttype.parent
+            cls = self._get_css_class(ttype) + ' ' + cls
+        return cls or ''
+
+    def _get_css_inline_styles(self, ttype):
+        """Return the inline CSS styles for this token type."""
+        cclass = self.ttype2class.get(ttype)
+        while cclass is None:
+            ttype = ttype.parent
+            cclass = self.ttype2class.get(ttype)
+        return cclass or ''
+
+    def _create_stylesheet(self):
+        t2c = self.ttype2class = {Token: ''}
+        c2s = self.class2style = {}
+        for ttype, ndef in self.style:
+            name = self._get_css_class(ttype)
+            style = ''
+            if ndef['color']:
+                style += 'color: %s; ' % webify(ndef['color'])
+            if ndef['bold']:
+                style += 'font-weight: bold; '
+            if ndef['italic']:
+                style += 'font-style: italic; '
+            if ndef['underline']:
+                style += 'text-decoration: underline; '
+            if ndef['bgcolor']:
+                style += 'background-color: %s; ' % webify(ndef['bgcolor'])
+            if ndef['border']:
+                style += 'border: 1px solid %s; ' % webify(ndef['border'])
+            if style:
+                t2c[ttype] = name
+                # save len(ttype) to enable ordering the styles by
+                # hierarchy (necessary for CSS cascading rules!)
+                c2s[name] = (style[:-2], ttype, len(ttype))
+
+    def get_style_defs(self, arg=None):
+        """
+        Return CSS style definitions for the classes produced by the current
+        highlighting style. ``arg`` can be a string or list of selectors to
+        insert before the token type classes.
+        """
+        style_lines = []
+
+        style_lines.extend(self.get_linenos_style_defs())
+        style_lines.extend(self.get_background_style_defs(arg))
+        style_lines.extend(self.get_token_style_defs(arg))
+
+        return '\n'.join(style_lines)
+
+    def get_token_style_defs(self, arg=None):
+        prefix = self.get_css_prefix(arg)
+
+        styles = [
+            (level, ttype, cls, style)
+            for cls, (style, ttype, level) in self.class2style.items()
+            if cls and style
+        ]
+        styles.sort()
+
+        lines = [
+            '%s { %s } /* %s */' % (prefix(cls), style, repr(ttype)[6:])
+            for (level, ttype, cls, style) in styles
+        ]
+
+        return lines
+
+    def get_background_style_defs(self, arg=None):
+        prefix = self.get_css_prefix(arg)
+        bg_color = self.style.background_color
+        hl_color = self.style.highlight_color
+
+        lines = []
+
+        if arg and not self.nobackground and bg_color is not None:
+            text_style = ''
+            if Text in self.ttype2class:
+                text_style = ' ' + self.class2style[self.ttype2class[Text]][0]
+            lines.insert(
+                0, '%s{ background: %s;%s }' % (
+                    prefix(''), bg_color, text_style
+                )
+            )
+        if hl_color is not None:
+            lines.insert(
+                0, '%s { background-color: %s }' % (prefix('hll'), hl_color)
+            )
+
+        return lines
+
+    def get_linenos_style_defs(self):
+        lines = [
+            'pre { %s }' % self._pre_style,
+            'td.linenos .normal { %s }' % self._linenos_style,
+            'span.linenos { %s }' % self._linenos_style,
+            'td.linenos .special { %s }' % self._linenos_special_style,
+            'span.linenos.special { %s }' % self._linenos_special_style,
+        ]
+
+        return lines
+
+    def get_css_prefix(self, arg):
+        if arg is None:
+            arg = ('cssclass' in self.options and '.'+self.cssclass or '')
+        if isinstance(arg, str):
+            args = [arg]
+        else:
+            args = list(arg)
+
+        def prefix(cls):
+            if cls:
+                cls = '.' + cls
+            tmp = []
+            for arg in args:
+                tmp.append((arg and arg + ' ' or '') + cls)
+            return ', '.join(tmp)
+
+        return prefix
+
+    @property
+    def _pre_style(self):
+        return 'line-height: 125%;'
+
+    @property
+    def _linenos_style(self):
+        return 'color: %s; background-color: %s; padding-left: 5px; padding-right: 5px;' % (
+            self.style.line_number_color,
+            self.style.line_number_background_color
+        )
+
+    @property
+    def _linenos_special_style(self):
+        return 'color: %s; background-color: %s; padding-left: 5px; padding-right: 5px;' % (
+            self.style.line_number_special_color,
+            self.style.line_number_special_background_color
+        )
+
+    def _decodeifneeded(self, value):
+        if isinstance(value, bytes):
+            if self.encoding:
+                return value.decode(self.encoding)
+            return value.decode()
+        return value
+
+    def _wrap_full(self, inner, outfile):
+        if self.cssfile:
+            if os.path.isabs(self.cssfile):
+                # it's an absolute filename
+                cssfilename = self.cssfile
+            else:
+                try:
+                    filename = outfile.name
+                    if not filename or filename[0] == '<':
+                        # pseudo files, e.g. name == '<fdopen>'
+                        raise AttributeError
+                    cssfilename = os.path.join(os.path.dirname(filename),
+                                               self.cssfile)
+                except AttributeError:
+                    print('Note: Cannot determine output file name, '
+                          'using current directory as base for the CSS file name',
+                          file=sys.stderr)
+                    cssfilename = self.cssfile
+            # write CSS file only if noclobber_cssfile isn't given as an option.
+            try:
+                if not os.path.exists(cssfilename) or not self.noclobber_cssfile:
+                    with open(cssfilename, "w") as cf:
+                        cf.write(CSSFILE_TEMPLATE %
+                                 {'styledefs': self.get_style_defs('body')})
+            except OSError as err:
+                err.strerror = 'Error writing CSS file: ' + err.strerror
+                raise
+
+            yield 0, (DOC_HEADER_EXTERNALCSS %
+                      dict(title=self.title,
+                           cssfile=self.cssfile,
+                           encoding=self.encoding))
+        else:
+            yield 0, (DOC_HEADER %
+                      dict(title=self.title,
+                           styledefs=self.get_style_defs('body'),
+                           encoding=self.encoding))
+
+        yield from inner
+        yield 0, DOC_FOOTER
+
+    def _wrap_tablelinenos(self, inner):
+        dummyoutfile = StringIO()
+        lncount = 0
+        for t, line in inner:
+            if t:
+                lncount += 1
+            dummyoutfile.write(line)
+
+        fl = self.linenostart
+        mw = len(str(lncount + fl - 1))
+        sp = self.linenospecial
+        st = self.linenostep
+        la = self.lineanchors
+        aln = self.anchorlinenos
+        nocls = self.noclasses
+
+        lines = []
+
+        for i in range(fl, fl+lncount):
+            print_line = i % st == 0
+            special_line = sp and i % sp == 0
+
+            if print_line:
+                line = '%*d' % (mw, i)
+                if aln:
+                    line = '<a href="#%s-%d">%s</a>' % (la, i, line)
+            else:
+                line = ' ' * mw
+
+            if nocls:
+                if special_line:
+                    style = ' style="%s"' % self._linenos_special_style
+                else:
+                    style = ' style="%s"' % self._linenos_style
+            else:
+                if special_line:
+                    style = ' class="special"'
+                else:
+                    style = ' class="normal"'
+
+            if style:
+                line = '<span%s>%s</span>' % (style, line)
+
+            lines.append(line)
+
+        ls = '\n'.join(lines)
+
+        # If a filename was specified, we can't put it into the code table as it
+        # would misalign the line numbers. Hence we emit a separate row for it.
+        filename_tr = ""
+        if self.filename:
+            filename_tr = (
+                '<tr><th colspan="2" class="filename"><div class="highlight">'
+                '<span class="filename">' + self.filename + '</span></div>'
+                '</th></tr>')
+
+        # in case you wonder about the seemingly redundant <div> here: since the
+        # content in the other cell also is wrapped in a div, some browsers in
+        # some configurations seem to mess up the formatting...
+        yield 0, (
+            '<table class="%stable">' % self.cssclass + filename_tr +
+            '<tr><td class="linenos"><div class="linenodiv"><pre>' +
+            ls + '</pre></div></td><td class="code">'
+        )
+        yield 0, dummyoutfile.getvalue()
+        yield 0, '</td></tr></table>'
+
+    def _wrap_inlinelinenos(self, inner):
+        # need a list of lines since we need the width of a single number :(
+        inner_lines = list(inner)
+        sp = self.linenospecial
+        st = self.linenostep
+        num = self.linenostart
+        mw = len(str(len(inner_lines) + num - 1))
+        la = self.lineanchors
+        aln = self.anchorlinenos
+        nocls = self.noclasses
+
+        for _, inner_line in inner_lines:
+            print_line = num % st == 0
+            special_line = sp and num % sp == 0
+
+            if print_line:
+                line = '%*d' % (mw, num)
+            else:
+                line = ' ' * mw
+
+            if nocls:
+                if special_line:
+                    style = ' style="%s"' % self._linenos_special_style
+                else:
+                    style = ' style="%s"' % self._linenos_style
+            else:
+                if special_line:
+                    style = ' class="linenos special"'
+                else:
+                    style = ' class="linenos"'
+
+            if style:
+                linenos = '<span%s>%s</span>' % (style, line)
+            else:
+                linenos = line
+
+            if aln:
+                yield 1, ('<a href="#%s-%d">%s</a>' % (la, num, linenos) +
+                          inner_line)
+            else:
+                yield 1, linenos + inner_line
+            num += 1
+
+    def _wrap_lineanchors(self, inner):
+        s = self.lineanchors
+        # subtract 1 since we have to increment i *before* yielding
+        i = self.linenostart - 1
+        for t, line in inner:
+            if t:
+                i += 1
+                href = "" if self.linenos else ' href="#%s-%d"' % (s, i)
+                yield 1, '<a id="%s-%d" name="%s-%d"%s></a>' % (s, i, s, i, href) + line
+            else:
+                yield 0, line
+
+    def _wrap_linespans(self, inner):
+        s = self.linespans
+        i = self.linenostart - 1
+        for t, line in inner:
+            if t:
+                i += 1
+                yield 1, '<span id="%s-%d">%s</span>' % (s, i, line)
+            else:
+                yield 0, line
+
+    def _wrap_div(self, inner):
+        style = []
+        if (self.noclasses and not self.nobackground and
+                self.style.background_color is not None):
+            style.append('background: %s' % (self.style.background_color,))
+        if self.cssstyles:
+            style.append(self.cssstyles)
+        style = '; '.join(style)
+
+        yield 0, ('<div' + (self.cssclass and ' class="%s"' % self.cssclass) +
+                  (style and (' style="%s"' % style)) + '>')
+        yield from inner
+        yield 0, '</div>\n'
+
+    def _wrap_pre(self, inner):
+        style = []
+        if self.prestyles:
+            style.append(self.prestyles)
+        if self.noclasses:
+            style.append(self._pre_style)
+        style = '; '.join(style)
+
+        if self.filename and self.linenos != 1:
+            yield 0, ('<span class="filename">' + self.filename + '</span>')
+
+        # the empty span here is to keep leading empty lines from being
+        # ignored by HTML parsers
+        yield 0, ('<pre' + (style and ' style="%s"' % style) + '><span></span>')
+        yield from inner
+        yield 0, '</pre>'
+
+    def _wrap_code(self, inner):
+        yield 0, '<code>'
+        yield from inner
+        yield 0, '</code>'
+
+    @functools.lru_cache(maxsize=100)
+    def _translate_parts(self, value):
+        """HTML-escape a value and split it by newlines."""
+        return value.translate(_escape_html_table).split('\n')
+
+    def _format_lines(self, tokensource):
+        """
+        Just format the tokens, without any wrapping tags.
+        Yield individual lines.
+        """
+        nocls = self.noclasses
+        lsep = self.lineseparator
+        tagsfile = self.tagsfile
+
+        lspan = ''
+        line = []
+        for ttype, value in tokensource:
+            try:
+                cspan = self.span_element_openers[ttype]
+            except KeyError:
+                title = ' title="%s"' % '.'.join(ttype) if self.debug_token_types else ''
+                if nocls:
+                    css_style = self._get_css_inline_styles(ttype)
+                    if css_style:
+                        css_style = self.class2style[css_style][0]
+                        cspan = '<span style="%s"%s>' % (css_style, title)
+                    else:
+                        cspan = ''
+                else:
+                    css_class = self._get_css_classes(ttype)
+                    if css_class:
+                        cspan = '<span class="%s"%s>' % (css_class, title)
+                    else:
+                        cspan = ''
+                self.span_element_openers[ttype] = cspan
+
+            parts = self._translate_parts(value)
+
+            if tagsfile and ttype in Token.Name:
+                filename, linenumber = self._lookup_ctag(value)
+                if linenumber:
+                    base, filename = os.path.split(filename)
+                    if base:
+                        base += '/'
+                    filename, extension = os.path.splitext(filename)
+                    url = self.tagurlformat % {'path': base, 'fname': filename,
+                                               'fext': extension}
+                    parts[0] = "<a href=\"%s#%s-%d\">%s" % \
+                        (url, self.lineanchors, linenumber, parts[0])
+                    parts[-1] = parts[-1] + "</a>"
+
+            # for all but the last line
+            for part in parts[:-1]:
+                if line:
+                    if lspan != cspan:
+                        line.extend(((lspan and '</span>'), cspan, part,
+                                     (cspan and '</span>'), lsep))
+                    else:  # both are the same
+                        line.extend((part, (lspan and '</span>'), lsep))
+                    yield 1, ''.join(line)
+                    line = []
+                elif part:
+                    yield 1, ''.join((cspan, part, (cspan and '</span>'), lsep))
+                else:
+                    yield 1, lsep
+            # for the last line
+            if line and parts[-1]:
+                if lspan != cspan:
+                    line.extend(((lspan and '</span>'), cspan, parts[-1]))
+                    lspan = cspan
+                else:
+                    line.append(parts[-1])
+            elif parts[-1]:
+                line = [cspan, parts[-1]]
+                lspan = cspan
+            # else we neither have to open a new span nor set lspan
+
+        if line:
+            line.extend(((lspan and '</span>'), lsep))
+            yield 1, ''.join(line)
+
+    def _lookup_ctag(self, token):
+        entry = ctags.TagEntry()
+        if self._ctags.find(entry, token.encode(), 0):
+            return entry['file'], entry['lineNumber']
+        else:
+            return None, None
+
+    def _highlight_lines(self, tokensource):
+        """
+        Highlighted the lines specified in the `hl_lines` option by
+        post-processing the token stream coming from `_format_lines`.
+        """
+        hls = self.hl_lines
+
+        for i, (t, value) in enumerate(tokensource):
+            if t != 1:
+                yield t, value
+            if i + 1 in hls:  # i + 1 because Python indexes start at 0
+                if self.noclasses:
+                    style = ''
+                    if self.style.highlight_color is not None:
+                        style = (' style="background-color: %s"' %
+                                 (self.style.highlight_color,))
+                    yield 1, '<span%s>%s</span>' % (style, value)
+                else:
+                    yield 1, '<span class="hll">%s</span>' % value
+            else:
+                yield 1, value
+
+    def wrap(self, source, outfile):
+        """
+        Wrap the ``source``, which is a generator yielding
+        individual lines, in custom generators. See docstring
+        for `format`. Can be overridden.
+        """
+        if self.wrapcode:
+            return self._wrap_div(self._wrap_pre(self._wrap_code(source)))
+        else:
+            return self._wrap_div(self._wrap_pre(source))
+
+    def format_unencoded(self, tokensource, outfile):
+        """
+        The formatting process uses several nested generators; which of
+        them are used is determined by the user's options.
+
+        Each generator should take at least one argument, ``inner``,
+        and wrap the pieces of text generated by this.
+
+        Always yield 2-tuples: (code, text). If "code" is 1, the text
+        is part of the original tokensource being highlighted, if it's
+        0, the text is some piece of wrapping. This makes it possible to
+        use several different wrappers that process the original source
+        linewise, e.g. line number generators.
+        """
+        source = self._format_lines(tokensource)
+
+        # As a special case, we wrap line numbers before line highlighting
+        # so the line numbers get wrapped in the highlighting tag.
+        if not self.nowrap and self.linenos == 2:
+            source = self._wrap_inlinelinenos(source)
+
+        if self.hl_lines:
+            source = self._highlight_lines(source)
+
+        if not self.nowrap:
+            if self.lineanchors:
+                source = self._wrap_lineanchors(source)
+            if self.linespans:
+                source = self._wrap_linespans(source)
+            source = self.wrap(source, outfile)
+            if self.linenos == 1:
+                source = self._wrap_tablelinenos(source)
+            if self.full:
+                source = self._wrap_full(source, outfile)
+
+        for t, piece in source:
+            outfile.write(piece)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/img.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/img.py
new file mode 100644
index 0000000000000000000000000000000000000000..978559237a6273266399514500268fa45f39d89b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/img.py
@@ -0,0 +1,641 @@
+"""
+    pygments.formatters.img
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for Pixmap output.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import os
+import sys
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt, get_list_opt, \
+    get_choice_opt
+
+import subprocess
+
+# Import this carefully
+try:
+    from PIL import Image, ImageDraw, ImageFont
+    pil_available = True
+except ImportError:
+    pil_available = False
+
+try:
+    import _winreg
+except ImportError:
+    try:
+        import winreg as _winreg
+    except ImportError:
+        _winreg = None
+
+__all__ = ['ImageFormatter', 'GifImageFormatter', 'JpgImageFormatter',
+           'BmpImageFormatter']
+
+
+# For some unknown reason every font calls it something different
+STYLES = {
+    'NORMAL':     ['', 'Roman', 'Book', 'Normal', 'Regular', 'Medium'],
+    'ITALIC':     ['Oblique', 'Italic'],
+    'BOLD':       ['Bold'],
+    'BOLDITALIC': ['Bold Oblique', 'Bold Italic'],
+}
+
+# A sane default for modern systems
+DEFAULT_FONT_NAME_NIX = 'DejaVu Sans Mono'
+DEFAULT_FONT_NAME_WIN = 'Courier New'
+DEFAULT_FONT_NAME_MAC = 'Menlo'
+
+
+class PilNotAvailable(ImportError):
+    """When Python imaging library is not available"""
+
+
+class FontNotFound(Exception):
+    """When there are no usable fonts specified"""
+
+
+class FontManager:
+    """
+    Manages a set of fonts: normal, italic, bold, etc...
+    """
+
+    def __init__(self, font_name, font_size=14):
+        self.font_name = font_name
+        self.font_size = font_size
+        self.fonts = {}
+        self.encoding = None
+        if sys.platform.startswith('win'):
+            if not font_name:
+                self.font_name = DEFAULT_FONT_NAME_WIN
+            self._create_win()
+        elif sys.platform.startswith('darwin'):
+            if not font_name:
+                self.font_name = DEFAULT_FONT_NAME_MAC
+            self._create_mac()
+        else:
+            if not font_name:
+                self.font_name = DEFAULT_FONT_NAME_NIX
+            self._create_nix()
+
+    def _get_nix_font_path(self, name, style):
+        proc = subprocess.Popen(['fc-list', "%s:style=%s" % (name, style), 'file'],
+                                stdout=subprocess.PIPE, stderr=None)
+        stdout, _ = proc.communicate()
+        if proc.returncode == 0:
+            lines = stdout.splitlines()
+            for line in lines:
+                if line.startswith(b'Fontconfig warning:'):
+                    continue
+                path = line.decode().strip().strip(':')
+                if path:
+                    return path
+            return None
+
+    def _create_nix(self):
+        for name in STYLES['NORMAL']:
+            path = self._get_nix_font_path(self.font_name, name)
+            if path is not None:
+                self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
+                break
+        else:
+            raise FontNotFound('No usable fonts named: "%s"' %
+                               self.font_name)
+        for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
+            for stylename in STYLES[style]:
+                path = self._get_nix_font_path(self.font_name, stylename)
+                if path is not None:
+                    self.fonts[style] = ImageFont.truetype(path, self.font_size)
+                    break
+            else:
+                if style == 'BOLDITALIC':
+                    self.fonts[style] = self.fonts['BOLD']
+                else:
+                    self.fonts[style] = self.fonts['NORMAL']
+
+    def _get_mac_font_path(self, font_map, name, style):
+        return font_map.get((name + ' ' + style).strip().lower())
+
+    def _create_mac(self):
+        font_map = {}
+        for font_dir in (os.path.join(os.getenv("HOME"), 'Library/Fonts/'),
+                         '/Library/Fonts/', '/System/Library/Fonts/'):
+            font_map.update(
+                (os.path.splitext(f)[0].lower(), os.path.join(font_dir, f))
+                for f in os.listdir(font_dir)
+                if f.lower().endswith(('ttf', 'ttc')))
+
+        for name in STYLES['NORMAL']:
+            path = self._get_mac_font_path(font_map, self.font_name, name)
+            if path is not None:
+                self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
+                break
+        else:
+            raise FontNotFound('No usable fonts named: "%s"' %
+                               self.font_name)
+        for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
+            for stylename in STYLES[style]:
+                path = self._get_mac_font_path(font_map, self.font_name, stylename)
+                if path is not None:
+                    self.fonts[style] = ImageFont.truetype(path, self.font_size)
+                    break
+            else:
+                if style == 'BOLDITALIC':
+                    self.fonts[style] = self.fonts['BOLD']
+                else:
+                    self.fonts[style] = self.fonts['NORMAL']
+
+    def _lookup_win(self, key, basename, styles, fail=False):
+        for suffix in ('', ' (TrueType)'):
+            for style in styles:
+                try:
+                    valname = '%s%s%s' % (basename, style and ' '+style, suffix)
+                    val, _ = _winreg.QueryValueEx(key, valname)
+                    return val
+                except OSError:
+                    continue
+        else:
+            if fail:
+                raise FontNotFound('Font %s (%s) not found in registry' %
+                                   (basename, styles[0]))
+            return None
+
+    def _create_win(self):
+        lookuperror = None
+        keynames = [ (_winreg.HKEY_CURRENT_USER, r'Software\Microsoft\Windows NT\CurrentVersion\Fonts'),
+                     (_winreg.HKEY_CURRENT_USER, r'Software\Microsoft\Windows\CurrentVersion\Fonts'),
+                     (_winreg.HKEY_LOCAL_MACHINE, r'Software\Microsoft\Windows NT\CurrentVersion\Fonts'),
+                     (_winreg.HKEY_LOCAL_MACHINE, r'Software\Microsoft\Windows\CurrentVersion\Fonts') ]
+        for keyname in keynames:
+            try:
+                key = _winreg.OpenKey(*keyname)
+                try:
+                    path = self._lookup_win(key, self.font_name, STYLES['NORMAL'], True)
+                    self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
+                    for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
+                        path = self._lookup_win(key, self.font_name, STYLES[style])
+                        if path:
+                            self.fonts[style] = ImageFont.truetype(path, self.font_size)
+                        else:
+                            if style == 'BOLDITALIC':
+                                self.fonts[style] = self.fonts['BOLD']
+                            else:
+                                self.fonts[style] = self.fonts['NORMAL']
+                    return
+                except FontNotFound as err:
+                    lookuperror = err
+                finally:
+                    _winreg.CloseKey(key)
+            except OSError:
+                pass
+        else:
+            # If we get here, we checked all registry keys and had no luck
+            # We can be in one of two situations now:
+            # * All key lookups failed. In this case lookuperror is None and we
+            #   will raise a generic error
+            # * At least one lookup failed with a FontNotFound error. In this
+            #   case, we will raise that as a more specific error
+            if lookuperror:
+                raise lookuperror
+            raise FontNotFound('Can\'t open Windows font registry key')
+
+    def get_char_size(self):
+        """
+        Get the character size.
+        """
+        return self.fonts['NORMAL'].getsize('M')
+
+    def get_text_size(self, text):
+        """
+        Get the text size(width, height).
+        """
+        return self.fonts['NORMAL'].getsize(text)
+
+    def get_font(self, bold, oblique):
+        """
+        Get the font based on bold and italic flags.
+        """
+        if bold and oblique:
+            return self.fonts['BOLDITALIC']
+        elif bold:
+            return self.fonts['BOLD']
+        elif oblique:
+            return self.fonts['ITALIC']
+        else:
+            return self.fonts['NORMAL']
+
+
+class ImageFormatter(Formatter):
+    """
+    Create a PNG image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 0.10
+
+    Additional options accepted:
+
+    `image_format`
+        An image format to output to that is recognised by PIL, these include:
+
+        * "PNG" (default)
+        * "JPEG"
+        * "BMP"
+        * "GIF"
+
+    `line_pad`
+        The extra spacing (in pixels) between each line of text.
+
+        Default: 2
+
+    `font_name`
+        The font name to be used as the base font from which others, such as
+        bold and italic fonts will be generated.  This really should be a
+        monospace font to look sane.
+
+        Default: "Courier New" on Windows, "Menlo" on Mac OS, and
+                 "DejaVu Sans Mono" on \\*nix
+
+    `font_size`
+        The font size in points to be used.
+
+        Default: 14
+
+    `image_pad`
+        The padding, in pixels to be used at each edge of the resulting image.
+
+        Default: 10
+
+    `line_numbers`
+        Whether line numbers should be shown: True/False
+
+        Default: True
+
+    `line_number_start`
+        The line number of the first line.
+
+        Default: 1
+
+    `line_number_step`
+        The step used when printing line numbers.
+
+        Default: 1
+
+    `line_number_bg`
+        The background colour (in "#123456" format) of the line number bar, or
+        None to use the style background color.
+
+        Default: "#eed"
+
+    `line_number_fg`
+        The text color of the line numbers (in "#123456"-like format).
+
+        Default: "#886"
+
+    `line_number_chars`
+        The number of columns of line numbers allowable in the line number
+        margin.
+
+        Default: 2
+
+    `line_number_bold`
+        Whether line numbers will be bold: True/False
+
+        Default: False
+
+    `line_number_italic`
+        Whether line numbers will be italicized: True/False
+
+        Default: False
+
+    `line_number_separator`
+        Whether a line will be drawn between the line number area and the
+        source code area: True/False
+
+        Default: True
+
+    `line_number_pad`
+        The horizontal padding (in pixels) between the line number margin, and
+        the source code area.
+
+        Default: 6
+
+    `hl_lines`
+        Specify a list of lines to be highlighted.
+
+        .. versionadded:: 1.2
+
+        Default: empty list
+
+    `hl_color`
+        Specify the color for highlighting lines.
+
+        .. versionadded:: 1.2
+
+        Default: highlight color of the selected style
+    """
+
+    # Required by the pygments mapper
+    name = 'img'
+    aliases = ['img', 'IMG', 'png']
+    filenames = ['*.png']
+
+    unicodeoutput = False
+
+    default_image_format = 'png'
+
+    def __init__(self, **options):
+        """
+        See the class docstring for explanation of options.
+        """
+        if not pil_available:
+            raise PilNotAvailable(
+                'Python Imaging Library is required for this formatter')
+        Formatter.__init__(self, **options)
+        self.encoding = 'latin1'  # let pygments.format() do the right thing
+        # Read the style
+        self.styles = dict(self.style)
+        if self.style.background_color is None:
+            self.background_color = '#fff'
+        else:
+            self.background_color = self.style.background_color
+        # Image options
+        self.image_format = get_choice_opt(
+            options, 'image_format', ['png', 'jpeg', 'gif', 'bmp'],
+            self.default_image_format, normcase=True)
+        self.image_pad = get_int_opt(options, 'image_pad', 10)
+        self.line_pad = get_int_opt(options, 'line_pad', 2)
+        # The fonts
+        fontsize = get_int_opt(options, 'font_size', 14)
+        self.fonts = FontManager(options.get('font_name', ''), fontsize)
+        self.fontw, self.fonth = self.fonts.get_char_size()
+        # Line number options
+        self.line_number_fg = options.get('line_number_fg', '#886')
+        self.line_number_bg = options.get('line_number_bg', '#eed')
+        self.line_number_chars = get_int_opt(options,
+                                             'line_number_chars', 2)
+        self.line_number_bold = get_bool_opt(options,
+                                             'line_number_bold', False)
+        self.line_number_italic = get_bool_opt(options,
+                                               'line_number_italic', False)
+        self.line_number_pad = get_int_opt(options, 'line_number_pad', 6)
+        self.line_numbers = get_bool_opt(options, 'line_numbers', True)
+        self.line_number_separator = get_bool_opt(options,
+                                                  'line_number_separator', True)
+        self.line_number_step = get_int_opt(options, 'line_number_step', 1)
+        self.line_number_start = get_int_opt(options, 'line_number_start', 1)
+        if self.line_numbers:
+            self.line_number_width = (self.fontw * self.line_number_chars +
+                                      self.line_number_pad * 2)
+        else:
+            self.line_number_width = 0
+        self.hl_lines = []
+        hl_lines_str = get_list_opt(options, 'hl_lines', [])
+        for line in hl_lines_str:
+            try:
+                self.hl_lines.append(int(line))
+            except ValueError:
+                pass
+        self.hl_color = options.get('hl_color',
+                                    self.style.highlight_color) or '#f90'
+        self.drawables = []
+
+    def get_style_defs(self, arg=''):
+        raise NotImplementedError('The -S option is meaningless for the image '
+                                  'formatter. Use -O style=<stylename> instead.')
+
+    def _get_line_height(self):
+        """
+        Get the height of a line.
+        """
+        return self.fonth + self.line_pad
+
+    def _get_line_y(self, lineno):
+        """
+        Get the Y coordinate of a line number.
+        """
+        return lineno * self._get_line_height() + self.image_pad
+
+    def _get_char_width(self):
+        """
+        Get the width of a character.
+        """
+        return self.fontw
+
+    def _get_char_x(self, linelength):
+        """
+        Get the X coordinate of a character position.
+        """
+        return linelength + self.image_pad + self.line_number_width
+
+    def _get_text_pos(self, linelength, lineno):
+        """
+        Get the actual position for a character and line position.
+        """
+        return self._get_char_x(linelength), self._get_line_y(lineno)
+
+    def _get_linenumber_pos(self, lineno):
+        """
+        Get the actual position for the start of a line number.
+        """
+        return (self.image_pad, self._get_line_y(lineno))
+
+    def _get_text_color(self, style):
+        """
+        Get the correct color for the token from the style.
+        """
+        if style['color'] is not None:
+            fill = '#' + style['color']
+        else:
+            fill = '#000'
+        return fill
+
+    def _get_text_bg_color(self, style):
+        """
+        Get the correct background color for the token from the style.
+        """
+        if style['bgcolor'] is not None:
+            bg_color = '#' + style['bgcolor']
+        else:
+            bg_color = None
+        return bg_color
+
+    def _get_style_font(self, style):
+        """
+        Get the correct font for the style.
+        """
+        return self.fonts.get_font(style['bold'], style['italic'])
+
+    def _get_image_size(self, maxlinelength, maxlineno):
+        """
+        Get the required image size.
+        """
+        return (self._get_char_x(maxlinelength) + self.image_pad,
+                self._get_line_y(maxlineno + 0) + self.image_pad)
+
+    def _draw_linenumber(self, posno, lineno):
+        """
+        Remember a line number drawable to paint later.
+        """
+        self._draw_text(
+            self._get_linenumber_pos(posno),
+            str(lineno).rjust(self.line_number_chars),
+            font=self.fonts.get_font(self.line_number_bold,
+                                     self.line_number_italic),
+            text_fg=self.line_number_fg,
+            text_bg=None,
+        )
+
+    def _draw_text(self, pos, text, font, text_fg, text_bg):
+        """
+        Remember a single drawable tuple to paint later.
+        """
+        self.drawables.append((pos, text, font, text_fg, text_bg))
+
+    def _create_drawables(self, tokensource):
+        """
+        Create drawables for the token content.
+        """
+        lineno = charno = maxcharno = 0
+        maxlinelength = linelength = 0
+        for ttype, value in tokensource:
+            while ttype not in self.styles:
+                ttype = ttype.parent
+            style = self.styles[ttype]
+            # TODO: make sure tab expansion happens earlier in the chain.  It
+            # really ought to be done on the input, as to do it right here is
+            # quite complex.
+            value = value.expandtabs(4)
+            lines = value.splitlines(True)
+            # print lines
+            for i, line in enumerate(lines):
+                temp = line.rstrip('\n')
+                if temp:
+                    self._draw_text(
+                        self._get_text_pos(linelength, lineno),
+                        temp,
+                        font = self._get_style_font(style),
+                        text_fg = self._get_text_color(style),
+                        text_bg = self._get_text_bg_color(style),
+                    )
+                    temp_width, temp_hight = self.fonts.get_text_size(temp)
+                    linelength += temp_width
+                    maxlinelength = max(maxlinelength, linelength)
+                    charno += len(temp)
+                    maxcharno = max(maxcharno, charno)
+                if line.endswith('\n'):
+                    # add a line for each extra line in the value
+                    linelength = 0
+                    charno = 0
+                    lineno += 1
+        self.maxlinelength = maxlinelength
+        self.maxcharno = maxcharno
+        self.maxlineno = lineno
+
+    def _draw_line_numbers(self):
+        """
+        Create drawables for the line numbers.
+        """
+        if not self.line_numbers:
+            return
+        for p in range(self.maxlineno):
+            n = p + self.line_number_start
+            if (n % self.line_number_step) == 0:
+                self._draw_linenumber(p, n)
+
+    def _paint_line_number_bg(self, im):
+        """
+        Paint the line number background on the image.
+        """
+        if not self.line_numbers:
+            return
+        if self.line_number_fg is None:
+            return
+        draw = ImageDraw.Draw(im)
+        recth = im.size[-1]
+        rectw = self.image_pad + self.line_number_width - self.line_number_pad
+        draw.rectangle([(0, 0), (rectw, recth)],
+                       fill=self.line_number_bg)
+        if self.line_number_separator:
+            draw.line([(rectw, 0), (rectw, recth)], fill=self.line_number_fg)
+        del draw
+
+    def format(self, tokensource, outfile):
+        """
+        Format ``tokensource``, an iterable of ``(tokentype, tokenstring)``
+        tuples and write it into ``outfile``.
+
+        This implementation calculates where it should draw each token on the
+        pixmap, then calculates the required pixmap size and draws the items.
+        """
+        self._create_drawables(tokensource)
+        self._draw_line_numbers()
+        im = Image.new(
+            'RGB',
+            self._get_image_size(self.maxlinelength, self.maxlineno),
+            self.background_color
+        )
+        self._paint_line_number_bg(im)
+        draw = ImageDraw.Draw(im)
+        # Highlight
+        if self.hl_lines:
+            x = self.image_pad + self.line_number_width - self.line_number_pad + 1
+            recth = self._get_line_height()
+            rectw = im.size[0] - x
+            for linenumber in self.hl_lines:
+                y = self._get_line_y(linenumber - 1)
+                draw.rectangle([(x, y), (x + rectw, y + recth)],
+                               fill=self.hl_color)
+        for pos, value, font, text_fg, text_bg in self.drawables:
+            if text_bg:
+                text_size = draw.textsize(text=value, font=font)
+                draw.rectangle([pos[0], pos[1], pos[0] + text_size[0], pos[1] + text_size[1]], fill=text_bg)
+            draw.text(pos, value, font=font, fill=text_fg)
+        im.save(outfile, self.image_format.upper())
+
+
+# Add one formatter per format, so that the "-f gif" option gives the correct result
+# when used in pygmentize.
+
+class GifImageFormatter(ImageFormatter):
+    """
+    Create a GIF image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 1.0
+    """
+
+    name = 'img_gif'
+    aliases = ['gif']
+    filenames = ['*.gif']
+    default_image_format = 'gif'
+
+
+class JpgImageFormatter(ImageFormatter):
+    """
+    Create a JPEG image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 1.0
+    """
+
+    name = 'img_jpg'
+    aliases = ['jpg', 'jpeg']
+    filenames = ['*.jpg']
+    default_image_format = 'jpeg'
+
+
+class BmpImageFormatter(ImageFormatter):
+    """
+    Create a bitmap image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 1.0
+    """
+
+    name = 'img_bmp'
+    aliases = ['bmp', 'bitmap']
+    filenames = ['*.bmp']
+    default_image_format = 'bmp'
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/irc.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/irc.py
new file mode 100644
index 0000000000000000000000000000000000000000..ad986e04077804e9282f69503262b54c928242f2
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/irc.py
@@ -0,0 +1,179 @@
+"""
+    pygments.formatters.irc
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for IRC output
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Keyword, Name, Comment, String, Error, \
+    Number, Operator, Generic, Token, Whitespace
+from pip._vendor.pygments.util import get_choice_opt
+
+
+__all__ = ['IRCFormatter']
+
+
+#: Map token types to a tuple of color values for light and dark
+#: backgrounds.
+IRC_COLORS = {
+    Token:              ('',            ''),
+
+    Whitespace:         ('gray',   'brightblack'),
+    Comment:            ('gray',   'brightblack'),
+    Comment.Preproc:    ('cyan',        'brightcyan'),
+    Keyword:            ('blue',    'brightblue'),
+    Keyword.Type:       ('cyan',        'brightcyan'),
+    Operator.Word:      ('magenta',      'brightcyan'),
+    Name.Builtin:       ('cyan',        'brightcyan'),
+    Name.Function:      ('green',   'brightgreen'),
+    Name.Namespace:     ('_cyan_',      '_brightcyan_'),
+    Name.Class:         ('_green_', '_brightgreen_'),
+    Name.Exception:     ('cyan',        'brightcyan'),
+    Name.Decorator:     ('brightblack',    'gray'),
+    Name.Variable:      ('red',     'brightred'),
+    Name.Constant:      ('red',     'brightred'),
+    Name.Attribute:     ('cyan',        'brightcyan'),
+    Name.Tag:           ('brightblue',        'brightblue'),
+    String:             ('yellow',       'yellow'),
+    Number:             ('blue',    'brightblue'),
+
+    Generic.Deleted:    ('brightred',        'brightred'),
+    Generic.Inserted:   ('green',  'brightgreen'),
+    Generic.Heading:    ('**',         '**'),
+    Generic.Subheading: ('*magenta*',   '*brightmagenta*'),
+    Generic.Error:      ('brightred',        'brightred'),
+
+    Error:              ('_brightred_',      '_brightred_'),
+}
+
+
+IRC_COLOR_MAP = {
+    'white': 0,
+    'black': 1,
+    'blue': 2,
+    'brightgreen': 3,
+    'brightred': 4,
+    'yellow': 5,
+    'magenta': 6,
+    'orange': 7,
+    'green': 7, #compat w/ ansi
+    'brightyellow': 8,
+    'lightgreen': 9,
+    'brightcyan': 9, # compat w/ ansi
+    'cyan': 10,
+    'lightblue': 11,
+    'red': 11, # compat w/ ansi
+    'brightblue': 12,
+    'brightmagenta': 13,
+    'brightblack': 14,
+    'gray': 15,
+}
+
+def ircformat(color, text):
+    if len(color) < 1:
+        return text
+    add = sub = ''
+    if '_' in color: # italic
+        add += '\x1D'
+        sub = '\x1D' + sub
+        color = color.strip('_')
+    if '*' in color: # bold
+        add += '\x02'
+        sub = '\x02' + sub
+        color = color.strip('*')
+    # underline (\x1F) not supported
+    # backgrounds (\x03FF,BB) not supported
+    if len(color) > 0: # actual color - may have issues with ircformat("red", "blah")+"10" type stuff
+        add += '\x03' + str(IRC_COLOR_MAP[color]).zfill(2)
+        sub = '\x03' + sub
+    return add + text + sub
+    return '<'+add+'>'+text+'</'+sub+'>'
+
+
+class IRCFormatter(Formatter):
+    r"""
+    Format tokens with IRC color sequences
+
+    The `get_style_defs()` method doesn't do anything special since there is
+    no support for common styles.
+
+    Options accepted:
+
+    `bg`
+        Set to ``"light"`` or ``"dark"`` depending on the terminal's background
+        (default: ``"light"``).
+
+    `colorscheme`
+        A dictionary mapping token types to (lightbg, darkbg) color names or
+        ``None`` (default: ``None`` = use builtin colorscheme).
+
+    `linenos`
+        Set to ``True`` to have line numbers in the output as well
+        (default: ``False`` = no line numbers).
+    """
+    name = 'IRC'
+    aliases = ['irc', 'IRC']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.darkbg = get_choice_opt(options, 'bg',
+                                     ['light', 'dark'], 'light') == 'dark'
+        self.colorscheme = options.get('colorscheme', None) or IRC_COLORS
+        self.linenos = options.get('linenos', False)
+        self._lineno = 0
+
+    def _write_lineno(self, outfile):
+        self._lineno += 1
+        outfile.write("\n%04d: " % self._lineno)
+
+    def _format_unencoded_with_lineno(self, tokensource, outfile):
+        self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            if value.endswith("\n"):
+                self._write_lineno(outfile)
+                value = value[:-1]
+            color = self.colorscheme.get(ttype)
+            while color is None:
+                ttype = ttype.parent
+                color = self.colorscheme.get(ttype)
+            if color:
+                color = color[self.darkbg]
+                spl = value.split('\n')
+                for line in spl[:-1]:
+                    self._write_lineno(outfile)
+                    if line:
+                        outfile.write(ircformat(color, line[:-1]))
+                if spl[-1]:
+                    outfile.write(ircformat(color, spl[-1]))
+            else:
+                outfile.write(value)
+
+        outfile.write("\n")
+
+    def format_unencoded(self, tokensource, outfile):
+        if self.linenos:
+            self._format_unencoded_with_lineno(tokensource, outfile)
+            return
+
+        for ttype, value in tokensource:
+            color = self.colorscheme.get(ttype)
+            while color is None:
+                ttype = ttype[:-1]
+                color = self.colorscheme.get(ttype)
+            if color:
+                color = color[self.darkbg]
+                spl = value.split('\n')
+                for line in spl[:-1]:
+                    if line:
+                        outfile.write(ircformat(color, line))
+                    outfile.write('\n')
+                if spl[-1]:
+                    outfile.write(ircformat(color, spl[-1]))
+            else:
+                outfile.write(value)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/latex.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/latex.py
new file mode 100644
index 0000000000000000000000000000000000000000..60e98921f9baefa47bd51c84ad024b2edab6576a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/latex.py
@@ -0,0 +1,511 @@
+"""
+    pygments.formatters.latex
+    ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for LaTeX fancyvrb output.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from io import StringIO
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.lexer import Lexer, do_insertions
+from pip._vendor.pygments.token import Token, STANDARD_TYPES
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt
+
+
+__all__ = ['LatexFormatter']
+
+
+def escape_tex(text, commandprefix):
+    return text.replace('\\', '\x00'). \
+                replace('{', '\x01'). \
+                replace('}', '\x02'). \
+                replace('\x00', r'\%sZbs{}' % commandprefix). \
+                replace('\x01', r'\%sZob{}' % commandprefix). \
+                replace('\x02', r'\%sZcb{}' % commandprefix). \
+                replace('^', r'\%sZca{}' % commandprefix). \
+                replace('_', r'\%sZus{}' % commandprefix). \
+                replace('&', r'\%sZam{}' % commandprefix). \
+                replace('<', r'\%sZlt{}' % commandprefix). \
+                replace('>', r'\%sZgt{}' % commandprefix). \
+                replace('#', r'\%sZsh{}' % commandprefix). \
+                replace('%', r'\%sZpc{}' % commandprefix). \
+                replace('$', r'\%sZdl{}' % commandprefix). \
+                replace('-', r'\%sZhy{}' % commandprefix). \
+                replace("'", r'\%sZsq{}' % commandprefix). \
+                replace('"', r'\%sZdq{}' % commandprefix). \
+                replace('~', r'\%sZti{}' % commandprefix)
+
+
+DOC_TEMPLATE = r'''
+\documentclass{%(docclass)s}
+\usepackage{fancyvrb}
+\usepackage{color}
+\usepackage[%(encoding)s]{inputenc}
+%(preamble)s
+
+%(styledefs)s
+
+\begin{document}
+
+\section*{%(title)s}
+
+%(code)s
+\end{document}
+'''
+
+## Small explanation of the mess below :)
+#
+# The previous version of the LaTeX formatter just assigned a command to
+# each token type defined in the current style.  That obviously is
+# problematic if the highlighted code is produced for a different style
+# than the style commands themselves.
+#
+# This version works much like the HTML formatter which assigns multiple
+# CSS classes to each <span> tag, from the most specific to the least
+# specific token type, thus falling back to the parent token type if one
+# is not defined.  Here, the classes are there too and use the same short
+# forms given in token.STANDARD_TYPES.
+#
+# Highlighted code now only uses one custom command, which by default is
+# \PY and selectable by the commandprefix option (and in addition the
+# escapes \PYZat, \PYZlb and \PYZrb which haven't been renamed for
+# backwards compatibility purposes).
+#
+# \PY has two arguments: the classes, separated by +, and the text to
+# render in that style.  The classes are resolved into the respective
+# style commands by magic, which serves to ignore unknown classes.
+#
+# The magic macros are:
+# * \PY@it, \PY@bf, etc. are unconditionally wrapped around the text
+#   to render in \PY@do.  Their definition determines the style.
+# * \PY@reset resets \PY@it etc. to do nothing.
+# * \PY@toks parses the list of classes, using magic inspired by the
+#   keyval package (but modified to use plusses instead of commas
+#   because fancyvrb redefines commas inside its environments).
+# * \PY@tok processes one class, calling the \PY@tok@classname command
+#   if it exists.
+# * \PY@tok@classname sets the \PY@it etc. to reflect the chosen style
+#   for its class.
+# * \PY resets the style, parses the classnames and then calls \PY@do.
+#
+# Tip: to read this code, print it out in substituted form using e.g.
+# >>> print STYLE_TEMPLATE % {'cp': 'PY'}
+
+STYLE_TEMPLATE = r'''
+\makeatletter
+\def\%(cp)s@reset{\let\%(cp)s@it=\relax \let\%(cp)s@bf=\relax%%
+    \let\%(cp)s@ul=\relax \let\%(cp)s@tc=\relax%%
+    \let\%(cp)s@bc=\relax \let\%(cp)s@ff=\relax}
+\def\%(cp)s@tok#1{\csname %(cp)s@tok@#1\endcsname}
+\def\%(cp)s@toks#1+{\ifx\relax#1\empty\else%%
+    \%(cp)s@tok{#1}\expandafter\%(cp)s@toks\fi}
+\def\%(cp)s@do#1{\%(cp)s@bc{\%(cp)s@tc{\%(cp)s@ul{%%
+    \%(cp)s@it{\%(cp)s@bf{\%(cp)s@ff{#1}}}}}}}
+\def\%(cp)s#1#2{\%(cp)s@reset\%(cp)s@toks#1+\relax+\%(cp)s@do{#2}}
+
+%(styles)s
+
+\def\%(cp)sZbs{\char`\\}
+\def\%(cp)sZus{\char`\_}
+\def\%(cp)sZob{\char`\{}
+\def\%(cp)sZcb{\char`\}}
+\def\%(cp)sZca{\char`\^}
+\def\%(cp)sZam{\char`\&}
+\def\%(cp)sZlt{\char`\<}
+\def\%(cp)sZgt{\char`\>}
+\def\%(cp)sZsh{\char`\#}
+\def\%(cp)sZpc{\char`\%%}
+\def\%(cp)sZdl{\char`\$}
+\def\%(cp)sZhy{\char`\-}
+\def\%(cp)sZsq{\char`\'}
+\def\%(cp)sZdq{\char`\"}
+\def\%(cp)sZti{\char`\~}
+%% for compatibility with earlier versions
+\def\%(cp)sZat{@}
+\def\%(cp)sZlb{[}
+\def\%(cp)sZrb{]}
+\makeatother
+'''
+
+
+def _get_ttype_name(ttype):
+    fname = STANDARD_TYPES.get(ttype)
+    if fname:
+        return fname
+    aname = ''
+    while fname is None:
+        aname = ttype[-1] + aname
+        ttype = ttype.parent
+        fname = STANDARD_TYPES.get(ttype)
+    return fname + aname
+
+
+class LatexFormatter(Formatter):
+    r"""
+    Format tokens as LaTeX code. This needs the `fancyvrb` and `color`
+    standard packages.
+
+    Without the `full` option, code is formatted as one ``Verbatim``
+    environment, like this:
+
+    .. sourcecode:: latex
+
+        \begin{Verbatim}[commandchars=\\\{\}]
+        \PY{k}{def }\PY{n+nf}{foo}(\PY{n}{bar}):
+            \PY{k}{pass}
+        \end{Verbatim}
+
+    The special command used here (``\PY``) and all the other macros it needs
+    are output by the `get_style_defs` method.
+
+    With the `full` option, a complete LaTeX document is output, including
+    the command definitions in the preamble.
+
+    The `get_style_defs()` method of a `LatexFormatter` returns a string
+    containing ``\def`` commands defining the macros needed inside the
+    ``Verbatim`` environments.
+
+    Additional options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `full`
+        Tells the formatter to output a "full" document, i.e. a complete
+        self-contained document (default: ``False``).
+
+    `title`
+        If `full` is true, the title that should be used to caption the
+        document (default: ``''``).
+
+    `docclass`
+        If the `full` option is enabled, this is the document class to use
+        (default: ``'article'``).
+
+    `preamble`
+        If the `full` option is enabled, this can be further preamble commands,
+        e.g. ``\usepackage`` (default: ``''``).
+
+    `linenos`
+        If set to ``True``, output line numbers (default: ``False``).
+
+    `linenostart`
+        The line number for the first line (default: ``1``).
+
+    `linenostep`
+        If set to a number n > 1, only every nth line number is printed.
+
+    `verboptions`
+        Additional options given to the Verbatim environment (see the *fancyvrb*
+        docs for possible values) (default: ``''``).
+
+    `commandprefix`
+        The LaTeX commands used to produce colored output are constructed
+        using this prefix and some letters (default: ``'PY'``).
+
+        .. versionadded:: 0.7
+        .. versionchanged:: 0.10
+           The default is now ``'PY'`` instead of ``'C'``.
+
+    `texcomments`
+        If set to ``True``, enables LaTeX comment lines.  That is, LaTex markup
+        in comment tokens is not escaped so that LaTeX can render it (default:
+        ``False``).
+
+        .. versionadded:: 1.2
+
+    `mathescape`
+        If set to ``True``, enables LaTeX math mode escape in comments. That
+        is, ``'$...$'`` inside a comment will trigger math mode (default:
+        ``False``).
+
+        .. versionadded:: 1.2
+
+    `escapeinside`
+        If set to a string of length 2, enables escaping to LaTeX. Text
+        delimited by these 2 characters is read as LaTeX code and
+        typeset accordingly. It has no effect in string literals. It has
+        no effect in comments if `texcomments` or `mathescape` is
+        set. (default: ``''``).
+
+        .. versionadded:: 2.0
+
+    `envname`
+        Allows you to pick an alternative environment name replacing Verbatim.
+        The alternate environment still has to support Verbatim's option syntax.
+        (default: ``'Verbatim'``).
+
+        .. versionadded:: 2.0
+    """
+    name = 'LaTeX'
+    aliases = ['latex', 'tex']
+    filenames = ['*.tex']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.docclass = options.get('docclass', 'article')
+        self.preamble = options.get('preamble', '')
+        self.linenos = get_bool_opt(options, 'linenos', False)
+        self.linenostart = abs(get_int_opt(options, 'linenostart', 1))
+        self.linenostep = abs(get_int_opt(options, 'linenostep', 1))
+        self.verboptions = options.get('verboptions', '')
+        self.nobackground = get_bool_opt(options, 'nobackground', False)
+        self.commandprefix = options.get('commandprefix', 'PY')
+        self.texcomments = get_bool_opt(options, 'texcomments', False)
+        self.mathescape = get_bool_opt(options, 'mathescape', False)
+        self.escapeinside = options.get('escapeinside', '')
+        if len(self.escapeinside) == 2:
+            self.left = self.escapeinside[0]
+            self.right = self.escapeinside[1]
+        else:
+            self.escapeinside = ''
+        self.envname = options.get('envname', 'Verbatim')
+
+        self._create_stylesheet()
+
+    def _create_stylesheet(self):
+        t2n = self.ttype2name = {Token: ''}
+        c2d = self.cmd2def = {}
+        cp = self.commandprefix
+
+        def rgbcolor(col):
+            if col:
+                return ','.join(['%.2f' % (int(col[i] + col[i + 1], 16) / 255.0)
+                                 for i in (0, 2, 4)])
+            else:
+                return '1,1,1'
+
+        for ttype, ndef in self.style:
+            name = _get_ttype_name(ttype)
+            cmndef = ''
+            if ndef['bold']:
+                cmndef += r'\let\$$@bf=\textbf'
+            if ndef['italic']:
+                cmndef += r'\let\$$@it=\textit'
+            if ndef['underline']:
+                cmndef += r'\let\$$@ul=\underline'
+            if ndef['roman']:
+                cmndef += r'\let\$$@ff=\textrm'
+            if ndef['sans']:
+                cmndef += r'\let\$$@ff=\textsf'
+            if ndef['mono']:
+                cmndef += r'\let\$$@ff=\textsf'
+            if ndef['color']:
+                cmndef += (r'\def\$$@tc##1{\textcolor[rgb]{%s}{##1}}' %
+                           rgbcolor(ndef['color']))
+            if ndef['border']:
+                cmndef += (r'\def\$$@bc##1{{\setlength{\fboxsep}{\string -\fboxrule}'
+                           r'\fcolorbox[rgb]{%s}{%s}{\strut ##1}}}' %
+                           (rgbcolor(ndef['border']),
+                            rgbcolor(ndef['bgcolor'])))
+            elif ndef['bgcolor']:
+                cmndef += (r'\def\$$@bc##1{{\setlength{\fboxsep}{0pt}'
+                           r'\colorbox[rgb]{%s}{\strut ##1}}}' %
+                           rgbcolor(ndef['bgcolor']))
+            if cmndef == '':
+                continue
+            cmndef = cmndef.replace('$$', cp)
+            t2n[ttype] = name
+            c2d[name] = cmndef
+
+    def get_style_defs(self, arg=''):
+        """
+        Return the command sequences needed to define the commands
+        used to format text in the verbatim environment. ``arg`` is ignored.
+        """
+        cp = self.commandprefix
+        styles = []
+        for name, definition in self.cmd2def.items():
+            styles.append(r'\@namedef{%s@tok@%s}{%s}' % (cp, name, definition))
+        return STYLE_TEMPLATE % {'cp': self.commandprefix,
+                                 'styles': '\n'.join(styles)}
+
+    def format_unencoded(self, tokensource, outfile):
+        # TODO: add support for background colors
+        t2n = self.ttype2name
+        cp = self.commandprefix
+
+        if self.full:
+            realoutfile = outfile
+            outfile = StringIO()
+
+        outfile.write('\\begin{' + self.envname + '}[commandchars=\\\\\\{\\}')
+        if self.linenos:
+            start, step = self.linenostart, self.linenostep
+            outfile.write(',numbers=left' +
+                          (start and ',firstnumber=%d' % start or '') +
+                          (step and ',stepnumber=%d' % step or ''))
+        if self.mathescape or self.texcomments or self.escapeinside:
+            outfile.write(',codes={\\catcode`\\$=3\\catcode`\\^=7'
+                          '\\catcode`\\_=8\\relax}')
+        if self.verboptions:
+            outfile.write(',' + self.verboptions)
+        outfile.write(']\n')
+
+        for ttype, value in tokensource:
+            if ttype in Token.Comment:
+                if self.texcomments:
+                    # Try to guess comment starting lexeme and escape it ...
+                    start = value[0:1]
+                    for i in range(1, len(value)):
+                        if start[0] != value[i]:
+                            break
+                        start += value[i]
+
+                    value = value[len(start):]
+                    start = escape_tex(start, cp)
+
+                    # ... but do not escape inside comment.
+                    value = start + value
+                elif self.mathescape:
+                    # Only escape parts not inside a math environment.
+                    parts = value.split('$')
+                    in_math = False
+                    for i, part in enumerate(parts):
+                        if not in_math:
+                            parts[i] = escape_tex(part, cp)
+                        in_math = not in_math
+                    value = '$'.join(parts)
+                elif self.escapeinside:
+                    text = value
+                    value = ''
+                    while text:
+                        a, sep1, text = text.partition(self.left)
+                        if sep1:
+                            b, sep2, text = text.partition(self.right)
+                            if sep2:
+                                value += escape_tex(a, cp) + b
+                            else:
+                                value += escape_tex(a + sep1 + b, cp)
+                        else:
+                            value += escape_tex(a, cp)
+                else:
+                    value = escape_tex(value, cp)
+            elif ttype not in Token.Escape:
+                value = escape_tex(value, cp)
+            styles = []
+            while ttype is not Token:
+                try:
+                    styles.append(t2n[ttype])
+                except KeyError:
+                    # not in current style
+                    styles.append(_get_ttype_name(ttype))
+                ttype = ttype.parent
+            styleval = '+'.join(reversed(styles))
+            if styleval:
+                spl = value.split('\n')
+                for line in spl[:-1]:
+                    if line:
+                        outfile.write("\\%s{%s}{%s}" % (cp, styleval, line))
+                    outfile.write('\n')
+                if spl[-1]:
+                    outfile.write("\\%s{%s}{%s}" % (cp, styleval, spl[-1]))
+            else:
+                outfile.write(value)
+
+        outfile.write('\\end{' + self.envname + '}\n')
+
+        if self.full:
+            encoding = self.encoding or 'utf8'
+            # map known existings encodings from LaTeX distribution
+            encoding = {
+                'utf_8': 'utf8',
+                'latin_1': 'latin1',
+                'iso_8859_1': 'latin1',
+            }.get(encoding.replace('-', '_'), encoding)
+            realoutfile.write(DOC_TEMPLATE %
+                dict(docclass  = self.docclass,
+                     preamble  = self.preamble,
+                     title     = self.title,
+                     encoding  = encoding,
+                     styledefs = self.get_style_defs(),
+                     code      = outfile.getvalue()))
+
+
+class LatexEmbeddedLexer(Lexer):
+    """
+    This lexer takes one lexer as argument, the lexer for the language
+    being formatted, and the left and right delimiters for escaped text.
+
+    First everything is scanned using the language lexer to obtain
+    strings and comments. All other consecutive tokens are merged and
+    the resulting text is scanned for escaped segments, which are given
+    the Token.Escape type. Finally text that is not escaped is scanned
+    again with the language lexer.
+    """
+    def __init__(self, left, right, lang, **options):
+        self.left = left
+        self.right = right
+        self.lang = lang
+        Lexer.__init__(self, **options)
+
+    def get_tokens_unprocessed(self, text):
+        # find and remove all the escape tokens (replace with an empty string)
+        # this is very similar to DelegatingLexer.get_tokens_unprocessed.
+        buffered = ''
+        insertions = []
+        insertion_buf = []
+        for i, t, v in self._find_safe_escape_tokens(text):
+            if t is None:
+                if insertion_buf:
+                    insertions.append((len(buffered), insertion_buf))
+                    insertion_buf = []
+                buffered += v
+            else:
+                insertion_buf.append((i, t, v))
+        if insertion_buf:
+            insertions.append((len(buffered), insertion_buf))
+        return do_insertions(insertions,
+                             self.lang.get_tokens_unprocessed(buffered))
+
+    def _find_safe_escape_tokens(self, text):
+        """ find escape tokens that are not in strings or comments """
+        for i, t, v in self._filter_to(
+            self.lang.get_tokens_unprocessed(text),
+            lambda t: t in Token.Comment or t in Token.String
+        ):
+            if t is None:
+                for i2, t2, v2 in self._find_escape_tokens(v):
+                    yield i + i2, t2, v2
+            else:
+                yield i, None, v
+
+    def _filter_to(self, it, pred):
+        """ Keep only the tokens that match `pred`, merge the others together """
+        buf = ''
+        idx = 0
+        for i, t, v in it:
+            if pred(t):
+                if buf:
+                    yield idx, None, buf
+                    buf = ''
+                yield i, t, v
+            else:
+                if not buf:
+                    idx = i
+                buf += v
+        if buf:
+            yield idx, None, buf
+
+    def _find_escape_tokens(self, text):
+        """ Find escape tokens within text, give token=None otherwise """
+        index = 0
+        while text:
+            a, sep1, text = text.partition(self.left)
+            if a:
+                yield index, None, a
+                index += len(a)
+            if sep1:
+                b, sep2, text = text.partition(self.right)
+                if sep2:
+                    yield index + len(sep1), Token.Escape, b
+                    index += len(sep1) + len(b) + len(sep2)
+                else:
+                    yield index, Token.Error, sep1
+                    index += len(sep1)
+                    text = b
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/other.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/other.py
new file mode 100644
index 0000000000000000000000000000000000000000..4fdf5e72baf9164f18cd9a0bd7ba43ca7d84e412
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/other.py
@@ -0,0 +1,161 @@
+"""
+    pygments.formatters.other
+    ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Other formatters: NullFormatter, RawTokenFormatter.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_choice_opt
+from pip._vendor.pygments.token import Token
+from pip._vendor.pygments.console import colorize
+
+__all__ = ['NullFormatter', 'RawTokenFormatter', 'TestcaseFormatter']
+
+
+class NullFormatter(Formatter):
+    """
+    Output the text unchanged without any formatting.
+    """
+    name = 'Text only'
+    aliases = ['text', 'null']
+    filenames = ['*.txt']
+
+    def format(self, tokensource, outfile):
+        enc = self.encoding
+        for ttype, value in tokensource:
+            if enc:
+                outfile.write(value.encode(enc))
+            else:
+                outfile.write(value)
+
+
+class RawTokenFormatter(Formatter):
+    r"""
+    Format tokens as a raw representation for storing token streams.
+
+    The format is ``tokentype<TAB>repr(tokenstring)\n``. The output can later
+    be converted to a token stream with the `RawTokenLexer`, described in the
+    :doc:`lexer list <lexers>`.
+
+    Only two options are accepted:
+
+    `compress`
+        If set to ``'gz'`` or ``'bz2'``, compress the output with the given
+        compression algorithm after encoding (default: ``''``).
+    `error_color`
+        If set to a color name, highlight error tokens using that color.  If
+        set but with no value, defaults to ``'red'``.
+
+        .. versionadded:: 0.11
+
+    """
+    name = 'Raw tokens'
+    aliases = ['raw', 'tokens']
+    filenames = ['*.raw']
+
+    unicodeoutput = False
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        # We ignore self.encoding if it is set, since it gets set for lexer
+        # and formatter if given with -Oencoding on the command line.
+        # The RawTokenFormatter outputs only ASCII. Override here.
+        self.encoding = 'ascii'  # let pygments.format() do the right thing
+        self.compress = get_choice_opt(options, 'compress',
+                                       ['', 'none', 'gz', 'bz2'], '')
+        self.error_color = options.get('error_color', None)
+        if self.error_color is True:
+            self.error_color = 'red'
+        if self.error_color is not None:
+            try:
+                colorize(self.error_color, '')
+            except KeyError:
+                raise ValueError("Invalid color %r specified" %
+                                 self.error_color)
+
+    def format(self, tokensource, outfile):
+        try:
+            outfile.write(b'')
+        except TypeError:
+            raise TypeError('The raw tokens formatter needs a binary '
+                            'output file')
+        if self.compress == 'gz':
+            import gzip
+            outfile = gzip.GzipFile('', 'wb', 9, outfile)
+
+            write = outfile.write
+            flush = outfile.close
+        elif self.compress == 'bz2':
+            import bz2
+            compressor = bz2.BZ2Compressor(9)
+
+            def write(text):
+                outfile.write(compressor.compress(text))
+
+            def flush():
+                outfile.write(compressor.flush())
+                outfile.flush()
+        else:
+            write = outfile.write
+            flush = outfile.flush
+
+        if self.error_color:
+            for ttype, value in tokensource:
+                line = b"%r\t%r\n" % (ttype, value)
+                if ttype is Token.Error:
+                    write(colorize(self.error_color, line))
+                else:
+                    write(line)
+        else:
+            for ttype, value in tokensource:
+                write(b"%r\t%r\n" % (ttype, value))
+        flush()
+
+
+TESTCASE_BEFORE = '''\
+    def testNeedsName(lexer):
+        fragment = %r
+        tokens = [
+'''
+TESTCASE_AFTER = '''\
+        ]
+        assert list(lexer.get_tokens(fragment)) == tokens
+'''
+
+
+class TestcaseFormatter(Formatter):
+    """
+    Format tokens as appropriate for a new testcase.
+
+    .. versionadded:: 2.0
+    """
+    name = 'Testcase'
+    aliases = ['testcase']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        if self.encoding is not None and self.encoding != 'utf-8':
+            raise ValueError("Only None and utf-8 are allowed encodings.")
+
+    def format(self, tokensource, outfile):
+        indentation = ' ' * 12
+        rawbuf = []
+        outbuf = []
+        for ttype, value in tokensource:
+            rawbuf.append(value)
+            outbuf.append('%s(%s, %r),\n' % (indentation, ttype, value))
+
+        before = TESTCASE_BEFORE % (''.join(rawbuf),)
+        during = ''.join(outbuf)
+        after = TESTCASE_AFTER
+        if self.encoding is None:
+            outfile.write(before + during + after)
+        else:
+            outfile.write(before.encode('utf-8'))
+            outfile.write(during.encode('utf-8'))
+            outfile.write(after.encode('utf-8'))
+        outfile.flush()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/pangomarkup.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/pangomarkup.py
new file mode 100644
index 0000000000000000000000000000000000000000..b0657a5f0fd96c28ed09c94a3c1798de2fbcd2a6
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/pangomarkup.py
@@ -0,0 +1,83 @@
+"""
+    pygments.formatters.pangomarkup
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for Pango markup output.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+
+
+__all__ = ['PangoMarkupFormatter']
+
+
+_escape_table = {
+    ord('&'): '&amp;',
+    ord('<'): '&lt;',
+}
+
+
+def escape_special_chars(text, table=_escape_table):
+    """Escape & and < for Pango Markup."""
+    return text.translate(table)
+
+
+class PangoMarkupFormatter(Formatter):
+    """
+    Format tokens as Pango Markup code. It can then be rendered to an SVG.
+
+    .. versionadded:: 2.9
+    """
+
+    name = 'Pango Markup'
+    aliases = ['pango', 'pangomarkup']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+
+        self.styles = {}
+
+        for token, style in self.style:
+            start = ''
+            end = ''
+            if style['color']:
+                start += '<span fgcolor="#%s">' % style['color']
+                end = '</span>' + end
+            if style['bold']:
+                start += '<b>'
+                end = '</b>' + end
+            if style['italic']:
+                start += '<i>'
+                end = '</i>' + end
+            if style['underline']:
+                start += '<u>'
+                end = '</u>' + end
+            self.styles[token] = (start, end)
+
+    def format_unencoded(self, tokensource, outfile):
+        lastval = ''
+        lasttype = None
+
+        outfile.write('<tt>')
+
+        for ttype, value in tokensource:
+            while ttype not in self.styles:
+                ttype = ttype.parent
+            if ttype == lasttype:
+                lastval += escape_special_chars(value)
+            else:
+                if lastval:
+                    stylebegin, styleend = self.styles[lasttype]
+                    outfile.write(stylebegin + lastval + styleend)
+                lastval = escape_special_chars(value)
+                lasttype = ttype
+
+        if lastval:
+            stylebegin, styleend = self.styles[lasttype]
+            outfile.write(stylebegin + lastval + styleend)
+
+        outfile.write('</tt>')
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/rtf.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/rtf.py
new file mode 100644
index 0000000000000000000000000000000000000000..b4b0acab9b5b1b397b712b197d6aee6b3c69ed54
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/rtf.py
@@ -0,0 +1,146 @@
+"""
+    pygments.formatters.rtf
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    A formatter that generates RTF files.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_int_opt, surrogatepair
+
+
+__all__ = ['RtfFormatter']
+
+
+class RtfFormatter(Formatter):
+    """
+    Format tokens as RTF markup. This formatter automatically outputs full RTF
+    documents with color information and other useful stuff. Perfect for Copy and
+    Paste into Microsoft(R) Word(R) documents.
+
+    Please note that ``encoding`` and ``outencoding`` options are ignored.
+    The RTF format is ASCII natively, but handles unicode characters correctly
+    thanks to escape sequences.
+
+    .. versionadded:: 0.6
+
+    Additional options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `fontface`
+        The used font family, for example ``Bitstream Vera Sans``. Defaults to
+        some generic font which is supposed to have fixed width.
+
+    `fontsize`
+        Size of the font used. Size is specified in half points. The
+        default is 24 half-points, giving a size 12 font.
+
+        .. versionadded:: 2.0
+    """
+    name = 'RTF'
+    aliases = ['rtf']
+    filenames = ['*.rtf']
+
+    def __init__(self, **options):
+        r"""
+        Additional options accepted:
+
+        ``fontface``
+            Name of the font used. Could for example be ``'Courier New'``
+            to further specify the default which is ``'\fmodern'``. The RTF
+            specification claims that ``\fmodern`` are "Fixed-pitch serif
+            and sans serif fonts". Hope every RTF implementation thinks
+            the same about modern...
+
+        """
+        Formatter.__init__(self, **options)
+        self.fontface = options.get('fontface') or ''
+        self.fontsize = get_int_opt(options, 'fontsize', 0)
+
+    def _escape(self, text):
+        return text.replace('\\', '\\\\') \
+                   .replace('{', '\\{') \
+                   .replace('}', '\\}')
+
+    def _escape_text(self, text):
+        # empty strings, should give a small performance improvement
+        if not text:
+            return ''
+
+        # escape text
+        text = self._escape(text)
+
+        buf = []
+        for c in text:
+            cn = ord(c)
+            if cn < (2**7):
+                # ASCII character
+                buf.append(str(c))
+            elif (2**7) <= cn < (2**16):
+                # single unicode escape sequence
+                buf.append('{\\u%d}' % cn)
+            elif (2**16) <= cn:
+                # RTF limits unicode to 16 bits.
+                # Force surrogate pairs
+                buf.append('{\\u%d}{\\u%d}' % surrogatepair(cn))
+
+        return ''.join(buf).replace('\n', '\\par\n')
+
+    def format_unencoded(self, tokensource, outfile):
+        # rtf 1.8 header
+        outfile.write('{\\rtf1\\ansi\\uc0\\deff0'
+                      '{\\fonttbl{\\f0\\fmodern\\fprq1\\fcharset0%s;}}'
+                      '{\\colortbl;' % (self.fontface and
+                                        ' ' + self._escape(self.fontface) or
+                                        ''))
+
+        # convert colors and save them in a mapping to access them later.
+        color_mapping = {}
+        offset = 1
+        for _, style in self.style:
+            for color in style['color'], style['bgcolor'], style['border']:
+                if color and color not in color_mapping:
+                    color_mapping[color] = offset
+                    outfile.write('\\red%d\\green%d\\blue%d;' % (
+                        int(color[0:2], 16),
+                        int(color[2:4], 16),
+                        int(color[4:6], 16)
+                    ))
+                    offset += 1
+        outfile.write('}\\f0 ')
+        if self.fontsize:
+            outfile.write('\\fs%d' % self.fontsize)
+
+        # highlight stream
+        for ttype, value in tokensource:
+            while not self.style.styles_token(ttype) and ttype.parent:
+                ttype = ttype.parent
+            style = self.style.style_for_token(ttype)
+            buf = []
+            if style['bgcolor']:
+                buf.append('\\cb%d' % color_mapping[style['bgcolor']])
+            if style['color']:
+                buf.append('\\cf%d' % color_mapping[style['color']])
+            if style['bold']:
+                buf.append('\\b')
+            if style['italic']:
+                buf.append('\\i')
+            if style['underline']:
+                buf.append('\\ul')
+            if style['border']:
+                buf.append('\\chbrdr\\chcfpat%d' %
+                           color_mapping[style['border']])
+            start = ''.join(buf)
+            if start:
+                outfile.write('{%s ' % start)
+            outfile.write(self._escape_text(value))
+            if start:
+                outfile.write('}')
+
+        outfile.write('}')
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/svg.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/svg.py
new file mode 100644
index 0000000000000000000000000000000000000000..d4de51f0e666734b63b5ebd46fc415fc191d5835
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/svg.py
@@ -0,0 +1,188 @@
+"""
+    pygments.formatters.svg
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for SVG output.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Comment
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt
+
+__all__ = ['SvgFormatter']
+
+
+def escape_html(text):
+    """Escape &, <, > as well as single and double quotes for HTML."""
+    return text.replace('&', '&amp;').  \
+                replace('<', '&lt;').   \
+                replace('>', '&gt;').   \
+                replace('"', '&quot;'). \
+                replace("'", '&#39;')
+
+
+class2style = {}
+
+class SvgFormatter(Formatter):
+    """
+    Format tokens as an SVG graphics file.  This formatter is still experimental.
+    Each line of code is a ``<text>`` element with explicit ``x`` and ``y``
+    coordinates containing ``<tspan>`` elements with the individual token styles.
+
+    By default, this formatter outputs a full SVG document including doctype
+    declaration and the ``<svg>`` root element.
+
+    .. versionadded:: 0.9
+
+    Additional options accepted:
+
+    `nowrap`
+        Don't wrap the SVG ``<text>`` elements in ``<svg><g>`` elements and
+        don't add a XML declaration and a doctype.  If true, the `fontfamily`
+        and `fontsize` options are ignored.  Defaults to ``False``.
+
+    `fontfamily`
+        The value to give the wrapping ``<g>`` element's ``font-family``
+        attribute, defaults to ``"monospace"``.
+
+    `fontsize`
+        The value to give the wrapping ``<g>`` element's ``font-size``
+        attribute, defaults to ``"14px"``.
+
+    `linenos`
+        If ``True``, add line numbers (default: ``False``).
+
+    `linenostart`
+        The line number for the first line (default: ``1``).
+
+    `linenostep`
+        If set to a number n > 1, only every nth line number is printed.
+        
+    `linenowidth`
+        Maximum width devoted to line numbers (default: ``3*ystep``, sufficient
+        for up to 4-digit line numbers. Increase width for longer code blocks).  
+        
+    `xoffset`
+        Starting offset in X direction, defaults to ``0``.
+
+    `yoffset`
+        Starting offset in Y direction, defaults to the font size if it is given
+        in pixels, or ``20`` else.  (This is necessary since text coordinates
+        refer to the text baseline, not the top edge.)
+
+    `ystep`
+        Offset to add to the Y coordinate for each subsequent line.  This should
+        roughly be the text size plus 5.  It defaults to that value if the text
+        size is given in pixels, or ``25`` else.
+
+    `spacehack`
+        Convert spaces in the source to ``&#160;``, which are non-breaking
+        spaces.  SVG provides the ``xml:space`` attribute to control how
+        whitespace inside tags is handled, in theory, the ``preserve`` value
+        could be used to keep all whitespace as-is.  However, many current SVG
+        viewers don't obey that rule, so this option is provided as a workaround
+        and defaults to ``True``.
+    """
+    name = 'SVG'
+    aliases = ['svg']
+    filenames = ['*.svg']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.nowrap = get_bool_opt(options, 'nowrap', False)
+        self.fontfamily = options.get('fontfamily', 'monospace')
+        self.fontsize = options.get('fontsize', '14px')
+        self.xoffset = get_int_opt(options, 'xoffset', 0)
+        fs = self.fontsize.strip()
+        if fs.endswith('px'): fs = fs[:-2].strip()
+        try:
+            int_fs = int(fs)
+        except:
+            int_fs = 20
+        self.yoffset = get_int_opt(options, 'yoffset', int_fs)
+        self.ystep = get_int_opt(options, 'ystep', int_fs + 5)
+        self.spacehack = get_bool_opt(options, 'spacehack', True)
+        self.linenos = get_bool_opt(options,'linenos',False)
+        self.linenostart = get_int_opt(options,'linenostart',1)
+        self.linenostep = get_int_opt(options,'linenostep',1)
+        self.linenowidth = get_int_opt(options,'linenowidth', 3*self.ystep)
+        self._stylecache = {}
+
+    def format_unencoded(self, tokensource, outfile):
+        """
+        Format ``tokensource``, an iterable of ``(tokentype, tokenstring)``
+        tuples and write it into ``outfile``.
+
+        For our implementation we put all lines in their own 'line group'.
+        """
+        x = self.xoffset
+        y = self.yoffset
+        if not self.nowrap:
+            if self.encoding:
+                outfile.write('<?xml version="1.0" encoding="%s"?>\n' %
+                              self.encoding)
+            else:
+                outfile.write('<?xml version="1.0"?>\n')
+            outfile.write('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" '
+                          '"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/'
+                          'svg10.dtd">\n')
+            outfile.write('<svg xmlns="http://www.w3.org/2000/svg">\n')
+            outfile.write('<g font-family="%s" font-size="%s">\n' %
+                          (self.fontfamily, self.fontsize))
+        
+        counter = self.linenostart 
+        counter_step = self.linenostep
+        counter_style = self._get_style(Comment)
+        line_x = x
+        
+        if self.linenos:
+            if counter % counter_step == 0:
+                outfile.write('<text x="%s" y="%s" %s text-anchor="end">%s</text>' %
+                    (x+self.linenowidth,y,counter_style,counter))
+            line_x += self.linenowidth + self.ystep
+            counter += 1
+
+        outfile.write('<text x="%s" y="%s" xml:space="preserve">' % (line_x, y))
+        for ttype, value in tokensource:
+            style = self._get_style(ttype)
+            tspan = style and '<tspan' + style + '>' or ''
+            tspanend = tspan and '</tspan>' or ''
+            value = escape_html(value)
+            if self.spacehack:
+                value = value.expandtabs().replace(' ', '&#160;')
+            parts = value.split('\n')
+            for part in parts[:-1]:
+                outfile.write(tspan + part + tspanend)
+                y += self.ystep
+                outfile.write('</text>\n')
+                if self.linenos and counter % counter_step == 0:
+                    outfile.write('<text x="%s" y="%s" text-anchor="end" %s>%s</text>' %
+                        (x+self.linenowidth,y,counter_style,counter))
+                
+                counter += 1
+                outfile.write('<text x="%s" y="%s" ' 'xml:space="preserve">' % (line_x,y))
+            outfile.write(tspan + parts[-1] + tspanend)
+        outfile.write('</text>')
+
+        if not self.nowrap:
+            outfile.write('</g></svg>\n')
+
+    def _get_style(self, tokentype):
+        if tokentype in self._stylecache:
+            return self._stylecache[tokentype]
+        otokentype = tokentype
+        while not self.style.styles_token(tokentype):
+            tokentype = tokentype.parent
+        value = self.style.style_for_token(tokentype)
+        result = ''
+        if value['color']:
+            result = ' fill="#' + value['color'] + '"'
+        if value['bold']:
+            result += ' font-weight="bold"'
+        if value['italic']:
+            result += ' font-style="italic"'
+        self._stylecache[otokentype] = result
+        return result
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/terminal.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/terminal.py
new file mode 100644
index 0000000000000000000000000000000000000000..ae660224ae5766649ed14b51a15de2da26917762
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/terminal.py
@@ -0,0 +1,127 @@
+"""
+    pygments.formatters.terminal
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for terminal output with ANSI sequences.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Keyword, Name, Comment, String, Error, \
+    Number, Operator, Generic, Token, Whitespace
+from pip._vendor.pygments.console import ansiformat
+from pip._vendor.pygments.util import get_choice_opt
+
+
+__all__ = ['TerminalFormatter']
+
+
+#: Map token types to a tuple of color values for light and dark
+#: backgrounds.
+TERMINAL_COLORS = {
+    Token:              ('',            ''),
+
+    Whitespace:         ('gray',   'brightblack'),
+    Comment:            ('gray',   'brightblack'),
+    Comment.Preproc:    ('cyan',        'brightcyan'),
+    Keyword:            ('blue',    'brightblue'),
+    Keyword.Type:       ('cyan',        'brightcyan'),
+    Operator.Word:      ('magenta',      'brightmagenta'),
+    Name.Builtin:       ('cyan',        'brightcyan'),
+    Name.Function:      ('green',   'brightgreen'),
+    Name.Namespace:     ('_cyan_',      '_brightcyan_'),
+    Name.Class:         ('_green_', '_brightgreen_'),
+    Name.Exception:     ('cyan',        'brightcyan'),
+    Name.Decorator:     ('brightblack',    'gray'),
+    Name.Variable:      ('red',     'brightred'),
+    Name.Constant:      ('red',     'brightred'),
+    Name.Attribute:     ('cyan',        'brightcyan'),
+    Name.Tag:           ('brightblue',        'brightblue'),
+    String:             ('yellow',       'yellow'),
+    Number:             ('blue',    'brightblue'),
+
+    Generic.Deleted:    ('brightred',        'brightred'),
+    Generic.Inserted:   ('green',  'brightgreen'),
+    Generic.Heading:    ('**',         '**'),
+    Generic.Subheading: ('*magenta*',   '*brightmagenta*'),
+    Generic.Prompt:     ('**',         '**'),
+    Generic.Error:      ('brightred',        'brightred'),
+
+    Error:              ('_brightred_',      '_brightred_'),
+}
+
+
+class TerminalFormatter(Formatter):
+    r"""
+    Format tokens with ANSI color sequences, for output in a text console.
+    Color sequences are terminated at newlines, so that paging the output
+    works correctly.
+
+    The `get_style_defs()` method doesn't do anything special since there is
+    no support for common styles.
+
+    Options accepted:
+
+    `bg`
+        Set to ``"light"`` or ``"dark"`` depending on the terminal's background
+        (default: ``"light"``).
+
+    `colorscheme`
+        A dictionary mapping token types to (lightbg, darkbg) color names or
+        ``None`` (default: ``None`` = use builtin colorscheme).
+
+    `linenos`
+        Set to ``True`` to have line numbers on the terminal output as well
+        (default: ``False`` = no line numbers).
+    """
+    name = 'Terminal'
+    aliases = ['terminal', 'console']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.darkbg = get_choice_opt(options, 'bg',
+                                     ['light', 'dark'], 'light') == 'dark'
+        self.colorscheme = options.get('colorscheme', None) or TERMINAL_COLORS
+        self.linenos = options.get('linenos', False)
+        self._lineno = 0
+
+    def format(self, tokensource, outfile):
+        return Formatter.format(self, tokensource, outfile)
+
+    def _write_lineno(self, outfile):
+        self._lineno += 1
+        outfile.write("%s%04d: " % (self._lineno != 1 and '\n' or '', self._lineno))
+
+    def _get_color(self, ttype):
+        # self.colorscheme is a dict containing usually generic types, so we
+        # have to walk the tree of dots.  The base Token type must be a key,
+        # even if it's empty string, as in the default above.
+        colors = self.colorscheme.get(ttype)
+        while colors is None:
+            ttype = ttype.parent
+            colors = self.colorscheme.get(ttype)
+        return colors[self.darkbg]
+
+    def format_unencoded(self, tokensource, outfile):
+        if self.linenos:
+            self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            color = self._get_color(ttype)
+
+            for line in value.splitlines(True):
+                if color:
+                    outfile.write(ansiformat(color, line.rstrip('\n')))
+                else:
+                    outfile.write(line.rstrip('\n'))
+                if line.endswith('\n'):
+                    if self.linenos:
+                        self._write_lineno(outfile)
+                    else:
+                        outfile.write('\n')
+
+        if self.linenos:
+            outfile.write("\n")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/terminal256.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/terminal256.py
new file mode 100644
index 0000000000000000000000000000000000000000..b5eab1400563dadbd4f5f7deb7c12c1c8c23e066
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/formatters/terminal256.py
@@ -0,0 +1,338 @@
+"""
+    pygments.formatters.terminal256
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for 256-color terminal output with ANSI sequences.
+
+    RGB-to-XTERM color conversion routines adapted from xterm256-conv
+    tool (http://frexx.de/xterm-256-notes/data/xterm256-conv2.tar.bz2)
+    by Wolfgang Frisch.
+
+    Formatter version 1.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+# TODO:
+#  - Options to map style's bold/underline/italic/border attributes
+#    to some ANSI attrbutes (something like 'italic=underline')
+#  - An option to output "style RGB to xterm RGB/index" conversion table
+#  - An option to indicate that we are running in "reverse background"
+#    xterm. This means that default colors are white-on-black, not
+#    black-on-while, so colors like "white background" need to be converted
+#    to "white background, black foreground", etc...
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.console import codes
+from pip._vendor.pygments.style import ansicolors
+
+
+__all__ = ['Terminal256Formatter', 'TerminalTrueColorFormatter']
+
+
+class EscapeSequence:
+    def __init__(self, fg=None, bg=None, bold=False, underline=False, italic=False):
+        self.fg = fg
+        self.bg = bg
+        self.bold = bold
+        self.underline = underline
+        self.italic = italic
+
+    def escape(self, attrs):
+        if len(attrs):
+            return "\x1b[" + ";".join(attrs) + "m"
+        return ""
+
+    def color_string(self):
+        attrs = []
+        if self.fg is not None:
+            if self.fg in ansicolors:
+                esc = codes[self.fg.replace('ansi','')]
+                if ';01m' in esc:
+                    self.bold = True
+                # extract fg color code.
+                attrs.append(esc[2:4])
+            else:
+                attrs.extend(("38", "5", "%i" % self.fg))
+        if self.bg is not None:
+            if self.bg in ansicolors:
+                esc = codes[self.bg.replace('ansi','')]
+                # extract fg color code, add 10 for bg.
+                attrs.append(str(int(esc[2:4])+10))
+            else:
+                attrs.extend(("48", "5", "%i" % self.bg))
+        if self.bold:
+            attrs.append("01")
+        if self.underline:
+            attrs.append("04")
+        if self.italic:
+            attrs.append("03")
+        return self.escape(attrs)
+
+    def true_color_string(self):
+        attrs = []
+        if self.fg:
+            attrs.extend(("38", "2", str(self.fg[0]), str(self.fg[1]), str(self.fg[2])))
+        if self.bg:
+            attrs.extend(("48", "2", str(self.bg[0]), str(self.bg[1]), str(self.bg[2])))
+        if self.bold:
+            attrs.append("01")
+        if self.underline:
+            attrs.append("04")
+        if self.italic:
+            attrs.append("03")
+        return self.escape(attrs)
+
+    def reset_string(self):
+        attrs = []
+        if self.fg is not None:
+            attrs.append("39")
+        if self.bg is not None:
+            attrs.append("49")
+        if self.bold or self.underline or self.italic:
+            attrs.append("00")
+        return self.escape(attrs)
+
+
+class Terminal256Formatter(Formatter):
+    """
+    Format tokens with ANSI color sequences, for output in a 256-color
+    terminal or console.  Like in `TerminalFormatter` color sequences
+    are terminated at newlines, so that paging the output works correctly.
+
+    The formatter takes colors from a style defined by the `style` option
+    and converts them to nearest ANSI 256-color escape sequences. Bold and
+    underline attributes from the style are preserved (and displayed).
+
+    .. versionadded:: 0.9
+
+    .. versionchanged:: 2.2
+       If the used style defines foreground colors in the form ``#ansi*``, then
+       `Terminal256Formatter` will map these to non extended foreground color.
+       See :ref:`AnsiTerminalStyle` for more information.
+
+    .. versionchanged:: 2.4
+       The ANSI color names have been updated with names that are easier to
+       understand and align with colornames of other projects and terminals.
+       See :ref:`this table <new-ansi-color-names>` for more information.
+
+
+    Options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `linenos`
+        Set to ``True`` to have line numbers on the terminal output as well
+        (default: ``False`` = no line numbers).
+    """
+    name = 'Terminal256'
+    aliases = ['terminal256', 'console256', '256']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+
+        self.xterm_colors = []
+        self.best_match = {}
+        self.style_string = {}
+
+        self.usebold = 'nobold' not in options
+        self.useunderline = 'nounderline' not in options
+        self.useitalic = 'noitalic' not in options
+
+        self._build_color_table()  # build an RGB-to-256 color conversion table
+        self._setup_styles()  # convert selected style's colors to term. colors
+
+        self.linenos = options.get('linenos', False)
+        self._lineno = 0
+
+    def _build_color_table(self):
+        # colors 0..15: 16 basic colors
+
+        self.xterm_colors.append((0x00, 0x00, 0x00))  # 0
+        self.xterm_colors.append((0xcd, 0x00, 0x00))  # 1
+        self.xterm_colors.append((0x00, 0xcd, 0x00))  # 2
+        self.xterm_colors.append((0xcd, 0xcd, 0x00))  # 3
+        self.xterm_colors.append((0x00, 0x00, 0xee))  # 4
+        self.xterm_colors.append((0xcd, 0x00, 0xcd))  # 5
+        self.xterm_colors.append((0x00, 0xcd, 0xcd))  # 6
+        self.xterm_colors.append((0xe5, 0xe5, 0xe5))  # 7
+        self.xterm_colors.append((0x7f, 0x7f, 0x7f))  # 8
+        self.xterm_colors.append((0xff, 0x00, 0x00))  # 9
+        self.xterm_colors.append((0x00, 0xff, 0x00))  # 10
+        self.xterm_colors.append((0xff, 0xff, 0x00))  # 11
+        self.xterm_colors.append((0x5c, 0x5c, 0xff))  # 12
+        self.xterm_colors.append((0xff, 0x00, 0xff))  # 13
+        self.xterm_colors.append((0x00, 0xff, 0xff))  # 14
+        self.xterm_colors.append((0xff, 0xff, 0xff))  # 15
+
+        # colors 16..232: the 6x6x6 color cube
+
+        valuerange = (0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff)
+
+        for i in range(217):
+            r = valuerange[(i // 36) % 6]
+            g = valuerange[(i // 6) % 6]
+            b = valuerange[i % 6]
+            self.xterm_colors.append((r, g, b))
+
+        # colors 233..253: grayscale
+
+        for i in range(1, 22):
+            v = 8 + i * 10
+            self.xterm_colors.append((v, v, v))
+
+    def _closest_color(self, r, g, b):
+        distance = 257*257*3  # "infinity" (>distance from #000000 to #ffffff)
+        match = 0
+
+        for i in range(0, 254):
+            values = self.xterm_colors[i]
+
+            rd = r - values[0]
+            gd = g - values[1]
+            bd = b - values[2]
+            d = rd*rd + gd*gd + bd*bd
+
+            if d < distance:
+                match = i
+                distance = d
+        return match
+
+    def _color_index(self, color):
+        index = self.best_match.get(color, None)
+        if color in ansicolors:
+            # strip the `ansi/#ansi` part and look up code
+            index = color
+            self.best_match[color] = index
+        if index is None:
+            try:
+                rgb = int(str(color), 16)
+            except ValueError:
+                rgb = 0
+
+            r = (rgb >> 16) & 0xff
+            g = (rgb >> 8) & 0xff
+            b = rgb & 0xff
+            index = self._closest_color(r, g, b)
+            self.best_match[color] = index
+        return index
+
+    def _setup_styles(self):
+        for ttype, ndef in self.style:
+            escape = EscapeSequence()
+            # get foreground from ansicolor if set
+            if ndef['ansicolor']:
+                escape.fg = self._color_index(ndef['ansicolor'])
+            elif ndef['color']:
+                escape.fg = self._color_index(ndef['color'])
+            if ndef['bgansicolor']:
+                escape.bg = self._color_index(ndef['bgansicolor'])
+            elif ndef['bgcolor']:
+                escape.bg = self._color_index(ndef['bgcolor'])
+            if self.usebold and ndef['bold']:
+                escape.bold = True
+            if self.useunderline and ndef['underline']:
+                escape.underline = True
+            if self.useitalic and ndef['italic']:
+                escape.italic = True
+            self.style_string[str(ttype)] = (escape.color_string(),
+                                             escape.reset_string())
+
+    def _write_lineno(self, outfile):
+        self._lineno += 1
+        outfile.write("%s%04d: " % (self._lineno != 1 and '\n' or '', self._lineno))
+
+    def format(self, tokensource, outfile):
+        return Formatter.format(self, tokensource, outfile)
+
+    def format_unencoded(self, tokensource, outfile):
+        if self.linenos:
+            self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            not_found = True
+            while ttype and not_found:
+                try:
+                    # outfile.write( "<" + str(ttype) + ">" )
+                    on, off = self.style_string[str(ttype)]
+
+                    # Like TerminalFormatter, add "reset colors" escape sequence
+                    # on newline.
+                    spl = value.split('\n')
+                    for line in spl[:-1]:
+                        if line:
+                            outfile.write(on + line + off)
+                        if self.linenos:
+                            self._write_lineno(outfile)
+                        else:
+                            outfile.write('\n')
+
+                    if spl[-1]:
+                        outfile.write(on + spl[-1] + off)
+
+                    not_found = False
+                    # outfile.write( '#' + str(ttype) + '#' )
+
+                except KeyError:
+                    # ottype = ttype
+                    ttype = ttype.parent
+                    # outfile.write( '!' + str(ottype) + '->' + str(ttype) + '!' )
+
+            if not_found:
+                outfile.write(value)
+
+        if self.linenos:
+            outfile.write("\n")
+
+
+
+class TerminalTrueColorFormatter(Terminal256Formatter):
+    r"""
+    Format tokens with ANSI color sequences, for output in a true-color
+    terminal or console.  Like in `TerminalFormatter` color sequences
+    are terminated at newlines, so that paging the output works correctly.
+
+    .. versionadded:: 2.1
+
+    Options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+    """
+    name = 'TerminalTrueColor'
+    aliases = ['terminal16m', 'console16m', '16m']
+    filenames = []
+
+    def _build_color_table(self):
+        pass
+
+    def _color_tuple(self, color):
+        try:
+            rgb = int(str(color), 16)
+        except ValueError:
+            return None
+        r = (rgb >> 16) & 0xff
+        g = (rgb >> 8) & 0xff
+        b = rgb & 0xff
+        return (r, g, b)
+
+    def _setup_styles(self):
+        for ttype, ndef in self.style:
+            escape = EscapeSequence()
+            if ndef['color']:
+                escape.fg = self._color_tuple(ndef['color'])
+            if ndef['bgcolor']:
+                escape.bg = self._color_tuple(ndef['bgcolor'])
+            if self.usebold and ndef['bold']:
+                escape.bold = True
+            if self.useunderline and ndef['underline']:
+                escape.underline = True
+            if self.useitalic and ndef['italic']:
+                escape.italic = True
+            self.style_string[str(ttype)] = (escape.true_color_string(),
+                                             escape.reset_string())
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/lexers/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/lexers/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..6981b8d1187b8110fcd33d19430a190053ab048d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/lexers/__init__.py
@@ -0,0 +1,341 @@
+"""
+    pygments.lexers
+    ~~~~~~~~~~~~~~~
+
+    Pygments lexers.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+import sys
+import types
+import fnmatch
+from os.path import basename
+
+from pip._vendor.pygments.lexers._mapping import LEXERS
+from pip._vendor.pygments.modeline import get_filetype_from_buffer
+from pip._vendor.pygments.plugin import find_plugin_lexers
+from pip._vendor.pygments.util import ClassNotFound, guess_decode
+
+COMPAT = {
+    'Python3Lexer': 'PythonLexer',
+    'Python3TracebackLexer': 'PythonTracebackLexer',
+}
+
+__all__ = ['get_lexer_by_name', 'get_lexer_for_filename', 'find_lexer_class',
+           'guess_lexer', 'load_lexer_from_file'] + list(LEXERS) + list(COMPAT)
+
+_lexer_cache = {}
+_pattern_cache = {}
+
+
+def _fn_matches(fn, glob):
+    """Return whether the supplied file name fn matches pattern filename."""
+    if glob not in _pattern_cache:
+        pattern = _pattern_cache[glob] = re.compile(fnmatch.translate(glob))
+        return pattern.match(fn)
+    return _pattern_cache[glob].match(fn)
+
+
+def _load_lexers(module_name):
+    """Load a lexer (and all others in the module too)."""
+    mod = __import__(module_name, None, None, ['__all__'])
+    for lexer_name in mod.__all__:
+        cls = getattr(mod, lexer_name)
+        _lexer_cache[cls.name] = cls
+
+
+def get_all_lexers():
+    """Return a generator of tuples in the form ``(name, aliases,
+    filenames, mimetypes)`` of all know lexers.
+    """
+    for item in LEXERS.values():
+        yield item[1:]
+    for lexer in find_plugin_lexers():
+        yield lexer.name, lexer.aliases, lexer.filenames, lexer.mimetypes
+
+
+def find_lexer_class(name):
+    """Lookup a lexer class by name.
+
+    Return None if not found.
+    """
+    if name in _lexer_cache:
+        return _lexer_cache[name]
+    # lookup builtin lexers
+    for module_name, lname, aliases, _, _ in LEXERS.values():
+        if name == lname:
+            _load_lexers(module_name)
+            return _lexer_cache[name]
+    # continue with lexers from setuptools entrypoints
+    for cls in find_plugin_lexers():
+        if cls.name == name:
+            return cls
+
+
+def find_lexer_class_by_name(_alias):
+    """Lookup a lexer class by alias.
+
+    Like `get_lexer_by_name`, but does not instantiate the class.
+
+    .. versionadded:: 2.2
+    """
+    if not _alias:
+        raise ClassNotFound('no lexer for alias %r found' % _alias)
+    # lookup builtin lexers
+    for module_name, name, aliases, _, _ in LEXERS.values():
+        if _alias.lower() in aliases:
+            if name not in _lexer_cache:
+                _load_lexers(module_name)
+            return _lexer_cache[name]
+    # continue with lexers from setuptools entrypoints
+    for cls in find_plugin_lexers():
+        if _alias.lower() in cls.aliases:
+            return cls
+    raise ClassNotFound('no lexer for alias %r found' % _alias)
+
+
+def get_lexer_by_name(_alias, **options):
+    """Get a lexer by an alias.
+
+    Raises ClassNotFound if not found.
+    """
+    if not _alias:
+        raise ClassNotFound('no lexer for alias %r found' % _alias)
+
+    # lookup builtin lexers
+    for module_name, name, aliases, _, _ in LEXERS.values():
+        if _alias.lower() in aliases:
+            if name not in _lexer_cache:
+                _load_lexers(module_name)
+            return _lexer_cache[name](**options)
+    # continue with lexers from setuptools entrypoints
+    for cls in find_plugin_lexers():
+        if _alias.lower() in cls.aliases:
+            return cls(**options)
+    raise ClassNotFound('no lexer for alias %r found' % _alias)
+
+
+def load_lexer_from_file(filename, lexername="CustomLexer", **options):
+    """Load a lexer from a file.
+
+    This method expects a file located relative to the current working
+    directory, which contains a Lexer class. By default, it expects the
+    Lexer to be name CustomLexer; you can specify your own class name
+    as the second argument to this function.
+
+    Users should be very careful with the input, because this method
+    is equivalent to running eval on the input file.
+
+    Raises ClassNotFound if there are any problems importing the Lexer.
+
+    .. versionadded:: 2.2
+    """
+    try:
+        # This empty dict will contain the namespace for the exec'd file
+        custom_namespace = {}
+        with open(filename, 'rb') as f:
+            exec(f.read(), custom_namespace)
+        # Retrieve the class `lexername` from that namespace
+        if lexername not in custom_namespace:
+            raise ClassNotFound('no valid %s class found in %s' %
+                                (lexername, filename))
+        lexer_class = custom_namespace[lexername]
+        # And finally instantiate it with the options
+        return lexer_class(**options)
+    except OSError as err:
+        raise ClassNotFound('cannot read %s: %s' % (filename, err))
+    except ClassNotFound:
+        raise
+    except Exception as err:
+        raise ClassNotFound('error when loading custom lexer: %s' % err)
+
+
+def find_lexer_class_for_filename(_fn, code=None):
+    """Get a lexer for a filename.
+
+    If multiple lexers match the filename pattern, use ``analyse_text()`` to
+    figure out which one is more appropriate.
+
+    Returns None if not found.
+    """
+    matches = []
+    fn = basename(_fn)
+    for modname, name, _, filenames, _ in LEXERS.values():
+        for filename in filenames:
+            if _fn_matches(fn, filename):
+                if name not in _lexer_cache:
+                    _load_lexers(modname)
+                matches.append((_lexer_cache[name], filename))
+    for cls in find_plugin_lexers():
+        for filename in cls.filenames:
+            if _fn_matches(fn, filename):
+                matches.append((cls, filename))
+
+    if isinstance(code, bytes):
+        # decode it, since all analyse_text functions expect unicode
+        code = guess_decode(code)
+
+    def get_rating(info):
+        cls, filename = info
+        # explicit patterns get a bonus
+        bonus = '*' not in filename and 0.5 or 0
+        # The class _always_ defines analyse_text because it's included in
+        # the Lexer class.  The default implementation returns None which
+        # gets turned into 0.0.  Run scripts/detect_missing_analyse_text.py
+        # to find lexers which need it overridden.
+        if code:
+            return cls.analyse_text(code) + bonus, cls.__name__
+        return cls.priority + bonus, cls.__name__
+
+    if matches:
+        matches.sort(key=get_rating)
+        # print "Possible lexers, after sort:", matches
+        return matches[-1][0]
+
+
+def get_lexer_for_filename(_fn, code=None, **options):
+    """Get a lexer for a filename.
+
+    If multiple lexers match the filename pattern, use ``analyse_text()`` to
+    figure out which one is more appropriate.
+
+    Raises ClassNotFound if not found.
+    """
+    res = find_lexer_class_for_filename(_fn, code)
+    if not res:
+        raise ClassNotFound('no lexer for filename %r found' % _fn)
+    return res(**options)
+
+
+def get_lexer_for_mimetype(_mime, **options):
+    """Get a lexer for a mimetype.
+
+    Raises ClassNotFound if not found.
+    """
+    for modname, name, _, _, mimetypes in LEXERS.values():
+        if _mime in mimetypes:
+            if name not in _lexer_cache:
+                _load_lexers(modname)
+            return _lexer_cache[name](**options)
+    for cls in find_plugin_lexers():
+        if _mime in cls.mimetypes:
+            return cls(**options)
+    raise ClassNotFound('no lexer for mimetype %r found' % _mime)
+
+
+def _iter_lexerclasses(plugins=True):
+    """Return an iterator over all lexer classes."""
+    for key in sorted(LEXERS):
+        module_name, name = LEXERS[key][:2]
+        if name not in _lexer_cache:
+            _load_lexers(module_name)
+        yield _lexer_cache[name]
+    if plugins:
+        yield from find_plugin_lexers()
+
+
+def guess_lexer_for_filename(_fn, _text, **options):
+    """
+    Lookup all lexers that handle those filenames primary (``filenames``)
+    or secondary (``alias_filenames``). Then run a text analysis for those
+    lexers and choose the best result.
+
+    usage::
+
+        >>> from pygments.lexers import guess_lexer_for_filename
+        >>> guess_lexer_for_filename('hello.html', '<%= @foo %>')
+        <pygments.lexers.templates.RhtmlLexer object at 0xb7d2f32c>
+        >>> guess_lexer_for_filename('hello.html', '<h1>{{ title|e }}</h1>')
+        <pygments.lexers.templates.HtmlDjangoLexer object at 0xb7d2f2ac>
+        >>> guess_lexer_for_filename('style.css', 'a { color: <?= $link ?> }')
+        <pygments.lexers.templates.CssPhpLexer object at 0xb7ba518c>
+    """
+    fn = basename(_fn)
+    primary = {}
+    matching_lexers = set()
+    for lexer in _iter_lexerclasses():
+        for filename in lexer.filenames:
+            if _fn_matches(fn, filename):
+                matching_lexers.add(lexer)
+                primary[lexer] = True
+        for filename in lexer.alias_filenames:
+            if _fn_matches(fn, filename):
+                matching_lexers.add(lexer)
+                primary[lexer] = False
+    if not matching_lexers:
+        raise ClassNotFound('no lexer for filename %r found' % fn)
+    if len(matching_lexers) == 1:
+        return matching_lexers.pop()(**options)
+    result = []
+    for lexer in matching_lexers:
+        rv = lexer.analyse_text(_text)
+        if rv == 1.0:
+            return lexer(**options)
+        result.append((rv, lexer))
+
+    def type_sort(t):
+        # sort by:
+        # - analyse score
+        # - is primary filename pattern?
+        # - priority
+        # - last resort: class name
+        return (t[0], primary[t[1]], t[1].priority, t[1].__name__)
+    result.sort(key=type_sort)
+
+    return result[-1][1](**options)
+
+
+def guess_lexer(_text, **options):
+    """Guess a lexer by strong distinctions in the text (eg, shebang)."""
+
+    if not isinstance(_text, str):
+        inencoding = options.get('inencoding', options.get('encoding'))
+        if inencoding:
+            _text = _text.decode(inencoding or 'utf8')
+        else:
+            _text, _ = guess_decode(_text)
+
+    # try to get a vim modeline first
+    ft = get_filetype_from_buffer(_text)
+
+    if ft is not None:
+        try:
+            return get_lexer_by_name(ft, **options)
+        except ClassNotFound:
+            pass
+
+    best_lexer = [0.0, None]
+    for lexer in _iter_lexerclasses():
+        rv = lexer.analyse_text(_text)
+        if rv == 1.0:
+            return lexer(**options)
+        if rv > best_lexer[0]:
+            best_lexer[:] = (rv, lexer)
+    if not best_lexer[0] or best_lexer[1] is None:
+        raise ClassNotFound('no lexer matching the text found')
+    return best_lexer[1](**options)
+
+
+class _automodule(types.ModuleType):
+    """Automatically import lexers."""
+
+    def __getattr__(self, name):
+        info = LEXERS.get(name)
+        if info:
+            _load_lexers(info[0])
+            cls = _lexer_cache[info[1]]
+            setattr(self, name, cls)
+            return cls
+        if name in COMPAT:
+            return getattr(self, COMPAT[name])
+        raise AttributeError(name)
+
+
+oldmod = sys.modules[__name__]
+newmod = _automodule(__name__)
+newmod.__dict__.update(oldmod.__dict__)
+sys.modules[__name__] = newmod
+del newmod.newmod, newmod.oldmod, newmod.sys, newmod.types
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+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/lexers/_mapping.py
@@ -0,0 +1,580 @@
+"""
+    pygments.lexers._mapping
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexer mapping definitions. This file is generated by itself. Everytime
+    you change something on a builtin lexer definition, run this script from
+    the lexers folder to update it.
+
+    Do not alter the LEXERS dictionary by hand.
+
+    :copyright: Copyright 2006-2014, 2016 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+LEXERS = {
+    'ABAPLexer': ('pip._vendor.pygments.lexers.business', 'ABAP', ('abap',), ('*.abap', '*.ABAP'), ('text/x-abap',)),
+    'AMDGPULexer': ('pip._vendor.pygments.lexers.amdgpu', 'AMDGPU', ('amdgpu',), ('*.isa',), ()),
+    'APLLexer': ('pip._vendor.pygments.lexers.apl', 'APL', ('apl',), ('*.apl', '*.aplf', '*.aplo', '*.apln', '*.aplc', '*.apli', '*.dyalog'), ()),
+    'AbnfLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'ABNF', ('abnf',), ('*.abnf',), ('text/x-abnf',)),
+    'ActionScript3Lexer': ('pip._vendor.pygments.lexers.actionscript', 'ActionScript 3', ('actionscript3', 'as3'), ('*.as',), ('application/x-actionscript3', 'text/x-actionscript3', 'text/actionscript3')),
+    'ActionScriptLexer': ('pip._vendor.pygments.lexers.actionscript', 'ActionScript', ('actionscript', 'as'), ('*.as',), ('application/x-actionscript', 'text/x-actionscript', 'text/actionscript')),
+    'AdaLexer': ('pip._vendor.pygments.lexers.pascal', 'Ada', ('ada', 'ada95', 'ada2005'), ('*.adb', '*.ads', '*.ada'), ('text/x-ada',)),
+    'AdlLexer': ('pip._vendor.pygments.lexers.archetype', 'ADL', ('adl',), ('*.adl', '*.adls', '*.adlf', '*.adlx'), ()),
+    'AgdaLexer': ('pip._vendor.pygments.lexers.haskell', 'Agda', ('agda',), ('*.agda',), ('text/x-agda',)),
+    'AheuiLexer': ('pip._vendor.pygments.lexers.esoteric', 'Aheui', ('aheui',), ('*.aheui',), ()),
+    'AlloyLexer': ('pip._vendor.pygments.lexers.dsls', 'Alloy', ('alloy',), ('*.als',), ('text/x-alloy',)),
+    'AmbientTalkLexer': ('pip._vendor.pygments.lexers.ambient', 'AmbientTalk', ('ambienttalk', 'ambienttalk/2', 'at'), ('*.at',), ('text/x-ambienttalk',)),
+    'AmplLexer': ('pip._vendor.pygments.lexers.ampl', 'Ampl', ('ampl',), ('*.run',), ()),
+    'Angular2HtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML + Angular2', ('html+ng2',), ('*.ng2',), ()),
+    'Angular2Lexer': ('pip._vendor.pygments.lexers.templates', 'Angular2', ('ng2',), (), ()),
+    'AntlrActionScriptLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With ActionScript Target', ('antlr-actionscript', 'antlr-as'), ('*.G', '*.g'), ()),
+    'AntlrCSharpLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With C# Target', ('antlr-csharp', 'antlr-c#'), ('*.G', '*.g'), ()),
+    'AntlrCppLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With CPP Target', ('antlr-cpp',), ('*.G', '*.g'), ()),
+    'AntlrJavaLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Java Target', ('antlr-java',), ('*.G', '*.g'), ()),
+    'AntlrLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR', ('antlr',), (), ()),
+    'AntlrObjectiveCLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With ObjectiveC Target', ('antlr-objc',), ('*.G', '*.g'), ()),
+    'AntlrPerlLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Perl Target', ('antlr-perl',), ('*.G', '*.g'), ()),
+    'AntlrPythonLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Python Target', ('antlr-python',), ('*.G', '*.g'), ()),
+    'AntlrRubyLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Ruby Target', ('antlr-ruby', 'antlr-rb'), ('*.G', '*.g'), ()),
+    'ApacheConfLexer': ('pip._vendor.pygments.lexers.configs', 'ApacheConf', ('apacheconf', 'aconf', 'apache'), ('.htaccess', 'apache.conf', 'apache2.conf'), ('text/x-apacheconf',)),
+    'AppleScriptLexer': ('pip._vendor.pygments.lexers.scripting', 'AppleScript', ('applescript',), ('*.applescript',), ()),
+    'ArduinoLexer': ('pip._vendor.pygments.lexers.c_like', 'Arduino', ('arduino',), ('*.ino',), ('text/x-arduino',)),
+    'ArrowLexer': ('pip._vendor.pygments.lexers.arrow', 'Arrow', ('arrow',), ('*.arw',), ()),
+    'AscLexer': ('pip._vendor.pygments.lexers.asc', 'ASCII armored', ('asc', 'pem'), ('*.asc', '*.pem', 'id_dsa', 'id_ecdsa', 'id_ecdsa_sk', 'id_ed25519', 'id_ed25519_sk', 'id_rsa'), ('application/pgp-keys', 'application/pgp-encrypted', 'application/pgp-signature')),
+    'AspectJLexer': ('pip._vendor.pygments.lexers.jvm', 'AspectJ', ('aspectj',), ('*.aj',), ('text/x-aspectj',)),
+    'AsymptoteLexer': ('pip._vendor.pygments.lexers.graphics', 'Asymptote', ('asymptote', 'asy'), ('*.asy',), ('text/x-asymptote',)),
+    'AugeasLexer': ('pip._vendor.pygments.lexers.configs', 'Augeas', ('augeas',), ('*.aug',), ()),
+    'AutoItLexer': ('pip._vendor.pygments.lexers.automation', 'AutoIt', ('autoit',), ('*.au3',), ('text/x-autoit',)),
+    'AutohotkeyLexer': ('pip._vendor.pygments.lexers.automation', 'autohotkey', ('autohotkey', 'ahk'), ('*.ahk', '*.ahkl'), ('text/x-autohotkey',)),
+    'AwkLexer': ('pip._vendor.pygments.lexers.textedit', 'Awk', ('awk', 'gawk', 'mawk', 'nawk'), ('*.awk',), ('application/x-awk',)),
+    'BBCBasicLexer': ('pip._vendor.pygments.lexers.basic', 'BBC Basic', ('bbcbasic',), ('*.bbc',), ()),
+    'BBCodeLexer': ('pip._vendor.pygments.lexers.markup', 'BBCode', ('bbcode',), (), ('text/x-bbcode',)),
+    'BCLexer': ('pip._vendor.pygments.lexers.algebra', 'BC', ('bc',), ('*.bc',), ()),
+    'BSTLexer': ('pip._vendor.pygments.lexers.bibtex', 'BST', ('bst', 'bst-pybtex'), ('*.bst',), ()),
+    'BareLexer': ('pip._vendor.pygments.lexers.bare', 'BARE', ('bare',), ('*.bare',), ()),
+    'BaseMakefileLexer': ('pip._vendor.pygments.lexers.make', 'Base Makefile', ('basemake',), (), ()),
+    'BashLexer': ('pip._vendor.pygments.lexers.shell', 'Bash', ('bash', 'sh', 'ksh', 'zsh', 'shell'), ('*.sh', '*.ksh', '*.bash', '*.ebuild', '*.eclass', '*.exheres-0', '*.exlib', '*.zsh', '.bashrc', 'bashrc', '.bash_*', 'bash_*', 'zshrc', '.zshrc', '.kshrc', 'kshrc', 'PKGBUILD'), ('application/x-sh', 'application/x-shellscript', 'text/x-shellscript')),
+    'BashSessionLexer': ('pip._vendor.pygments.lexers.shell', 'Bash Session', ('console', 'shell-session'), ('*.sh-session', '*.shell-session'), ('application/x-shell-session', 'application/x-sh-session')),
+    'BatchLexer': ('pip._vendor.pygments.lexers.shell', 'Batchfile', ('batch', 'bat', 'dosbatch', 'winbatch'), ('*.bat', '*.cmd'), ('application/x-dos-batch',)),
+    'BddLexer': ('pip._vendor.pygments.lexers.bdd', 'Bdd', ('bdd',), ('*.feature',), ('text/x-bdd',)),
+    'BefungeLexer': ('pip._vendor.pygments.lexers.esoteric', 'Befunge', ('befunge',), ('*.befunge',), ('application/x-befunge',)),
+    'BibTeXLexer': ('pip._vendor.pygments.lexers.bibtex', 'BibTeX', ('bibtex', 'bib'), ('*.bib',), ('text/x-bibtex',)),
+    'BlitzBasicLexer': ('pip._vendor.pygments.lexers.basic', 'BlitzBasic', ('blitzbasic', 'b3d', 'bplus'), ('*.bb', '*.decls'), ('text/x-bb',)),
+    'BlitzMaxLexer': ('pip._vendor.pygments.lexers.basic', 'BlitzMax', ('blitzmax', 'bmax'), ('*.bmx',), ('text/x-bmx',)),
+    'BnfLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'BNF', ('bnf',), ('*.bnf',), ('text/x-bnf',)),
+    'BoaLexer': ('pip._vendor.pygments.lexers.boa', 'Boa', ('boa',), ('*.boa',), ()),
+    'BooLexer': ('pip._vendor.pygments.lexers.dotnet', 'Boo', ('boo',), ('*.boo',), ('text/x-boo',)),
+    'BoogieLexer': ('pip._vendor.pygments.lexers.verification', 'Boogie', ('boogie',), ('*.bpl',), ()),
+    'BrainfuckLexer': ('pip._vendor.pygments.lexers.esoteric', 'Brainfuck', ('brainfuck', 'bf'), ('*.bf', '*.b'), ('application/x-brainfuck',)),
+    'BugsLexer': ('pip._vendor.pygments.lexers.modeling', 'BUGS', ('bugs', 'winbugs', 'openbugs'), ('*.bug',), ()),
+    'CAmkESLexer': ('pip._vendor.pygments.lexers.esoteric', 'CAmkES', ('camkes', 'idl4'), ('*.camkes', '*.idl4'), ()),
+    'CLexer': ('pip._vendor.pygments.lexers.c_cpp', 'C', ('c',), ('*.c', '*.h', '*.idc', '*.x[bp]m'), ('text/x-chdr', 'text/x-csrc', 'image/x-xbitmap', 'image/x-xpixmap')),
+    'CMakeLexer': ('pip._vendor.pygments.lexers.make', 'CMake', ('cmake',), ('*.cmake', 'CMakeLists.txt'), ('text/x-cmake',)),
+    'CObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'c-objdump', ('c-objdump',), ('*.c-objdump',), ('text/x-c-objdump',)),
+    'CPSALexer': ('pip._vendor.pygments.lexers.lisp', 'CPSA', ('cpsa',), ('*.cpsa',), ()),
+    'CSharpAspxLexer': ('pip._vendor.pygments.lexers.dotnet', 'aspx-cs', ('aspx-cs',), ('*.aspx', '*.asax', '*.ascx', '*.ashx', '*.asmx', '*.axd'), ()),
+    'CSharpLexer': ('pip._vendor.pygments.lexers.dotnet', 'C#', ('csharp', 'c#', 'cs'), ('*.cs',), ('text/x-csharp',)),
+    'Ca65Lexer': ('pip._vendor.pygments.lexers.asm', 'ca65 assembler', ('ca65',), ('*.s',), ()),
+    'CadlLexer': ('pip._vendor.pygments.lexers.archetype', 'cADL', ('cadl',), ('*.cadl',), ()),
+    'CapDLLexer': ('pip._vendor.pygments.lexers.esoteric', 'CapDL', ('capdl',), ('*.cdl',), ()),
+    'CapnProtoLexer': ('pip._vendor.pygments.lexers.capnproto', "Cap'n Proto", ('capnp',), ('*.capnp',), ()),
+    'CbmBasicV2Lexer': ('pip._vendor.pygments.lexers.basic', 'CBM BASIC V2', ('cbmbas',), ('*.bas',), ()),
+    'CddlLexer': ('pip._vendor.pygments.lexers.cddl', 'CDDL', ('cddl',), ('*.cddl',), ('text/x-cddl',)),
+    'CeylonLexer': ('pip._vendor.pygments.lexers.jvm', 'Ceylon', ('ceylon',), ('*.ceylon',), ('text/x-ceylon',)),
+    'Cfengine3Lexer': ('pip._vendor.pygments.lexers.configs', 'CFEngine3', ('cfengine3', 'cf3'), ('*.cf',), ()),
+    'ChaiscriptLexer': ('pip._vendor.pygments.lexers.scripting', 'ChaiScript', ('chaiscript', 'chai'), ('*.chai',), ('text/x-chaiscript', 'application/x-chaiscript')),
+    'ChapelLexer': ('pip._vendor.pygments.lexers.chapel', 'Chapel', ('chapel', 'chpl'), ('*.chpl',), ()),
+    'CharmciLexer': ('pip._vendor.pygments.lexers.c_like', 'Charmci', ('charmci',), ('*.ci',), ()),
+    'CheetahHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Cheetah', ('html+cheetah', 'html+spitfire', 'htmlcheetah'), (), ('text/html+cheetah', 'text/html+spitfire')),
+    'CheetahJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Cheetah', ('javascript+cheetah', 'js+cheetah', 'javascript+spitfire', 'js+spitfire'), (), ('application/x-javascript+cheetah', 'text/x-javascript+cheetah', 'text/javascript+cheetah', 'application/x-javascript+spitfire', 'text/x-javascript+spitfire', 'text/javascript+spitfire')),
+    'CheetahLexer': ('pip._vendor.pygments.lexers.templates', 'Cheetah', ('cheetah', 'spitfire'), ('*.tmpl', '*.spt'), ('application/x-cheetah', 'application/x-spitfire')),
+    'CheetahXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Cheetah', ('xml+cheetah', 'xml+spitfire'), (), ('application/xml+cheetah', 'application/xml+spitfire')),
+    'CirruLexer': ('pip._vendor.pygments.lexers.webmisc', 'Cirru', ('cirru',), ('*.cirru',), ('text/x-cirru',)),
+    'ClayLexer': ('pip._vendor.pygments.lexers.c_like', 'Clay', ('clay',), ('*.clay',), ('text/x-clay',)),
+    'CleanLexer': ('pip._vendor.pygments.lexers.clean', 'Clean', ('clean',), ('*.icl', '*.dcl'), ()),
+    'ClojureLexer': ('pip._vendor.pygments.lexers.jvm', 'Clojure', ('clojure', 'clj'), ('*.clj',), ('text/x-clojure', 'application/x-clojure')),
+    'ClojureScriptLexer': ('pip._vendor.pygments.lexers.jvm', 'ClojureScript', ('clojurescript', 'cljs'), ('*.cljs',), ('text/x-clojurescript', 'application/x-clojurescript')),
+    'CobolFreeformatLexer': ('pip._vendor.pygments.lexers.business', 'COBOLFree', ('cobolfree',), ('*.cbl', '*.CBL'), ()),
+    'CobolLexer': ('pip._vendor.pygments.lexers.business', 'COBOL', ('cobol',), ('*.cob', '*.COB', '*.cpy', '*.CPY'), ('text/x-cobol',)),
+    'CoffeeScriptLexer': ('pip._vendor.pygments.lexers.javascript', 'CoffeeScript', ('coffeescript', 'coffee-script', 'coffee'), ('*.coffee',), ('text/coffeescript',)),
+    'ColdfusionCFCLexer': ('pip._vendor.pygments.lexers.templates', 'Coldfusion CFC', ('cfc',), ('*.cfc',), ()),
+    'ColdfusionHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'Coldfusion HTML', ('cfm',), ('*.cfm', '*.cfml'), ('application/x-coldfusion',)),
+    'ColdfusionLexer': ('pip._vendor.pygments.lexers.templates', 'cfstatement', ('cfs',), (), ()),
+    'CommonLispLexer': ('pip._vendor.pygments.lexers.lisp', 'Common Lisp', ('common-lisp', 'cl', 'lisp'), ('*.cl', '*.lisp'), ('text/x-common-lisp',)),
+    'ComponentPascalLexer': ('pip._vendor.pygments.lexers.oberon', 'Component Pascal', ('componentpascal', 'cp'), ('*.cp', '*.cps'), ('text/x-component-pascal',)),
+    'CoqLexer': ('pip._vendor.pygments.lexers.theorem', 'Coq', ('coq',), ('*.v',), ('text/x-coq',)),
+    'CppLexer': ('pip._vendor.pygments.lexers.c_cpp', 'C++', ('cpp', 'c++'), ('*.cpp', '*.hpp', '*.c++', '*.h++', '*.cc', '*.hh', '*.cxx', '*.hxx', '*.C', '*.H', '*.cp', '*.CPP'), ('text/x-c++hdr', 'text/x-c++src')),
+    'CppObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'cpp-objdump', ('cpp-objdump', 'c++-objdumb', 'cxx-objdump'), ('*.cpp-objdump', '*.c++-objdump', '*.cxx-objdump'), ('text/x-cpp-objdump',)),
+    'CrmshLexer': ('pip._vendor.pygments.lexers.dsls', 'Crmsh', ('crmsh', 'pcmk'), ('*.crmsh', '*.pcmk'), ()),
+    'CrocLexer': ('pip._vendor.pygments.lexers.d', 'Croc', ('croc',), ('*.croc',), ('text/x-crocsrc',)),
+    'CryptolLexer': ('pip._vendor.pygments.lexers.haskell', 'Cryptol', ('cryptol', 'cry'), ('*.cry',), ('text/x-cryptol',)),
+    'CrystalLexer': ('pip._vendor.pygments.lexers.crystal', 'Crystal', ('cr', 'crystal'), ('*.cr',), ('text/x-crystal',)),
+    'CsoundDocumentLexer': ('pip._vendor.pygments.lexers.csound', 'Csound Document', ('csound-document', 'csound-csd'), ('*.csd',), ()),
+    'CsoundOrchestraLexer': ('pip._vendor.pygments.lexers.csound', 'Csound Orchestra', ('csound', 'csound-orc'), ('*.orc', '*.udo'), ()),
+    'CsoundScoreLexer': ('pip._vendor.pygments.lexers.csound', 'Csound Score', ('csound-score', 'csound-sco'), ('*.sco',), ()),
+    'CssDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Django/Jinja', ('css+django', 'css+jinja'), (), ('text/css+django', 'text/css+jinja')),
+    'CssErbLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Ruby', ('css+ruby', 'css+erb'), (), ('text/css+ruby',)),
+    'CssGenshiLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Genshi Text', ('css+genshitext', 'css+genshi'), (), ('text/css+genshi',)),
+    'CssLexer': ('pip._vendor.pygments.lexers.css', 'CSS', ('css',), ('*.css',), ('text/css',)),
+    'CssPhpLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+PHP', ('css+php',), (), ('text/css+php',)),
+    'CssSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Smarty', ('css+smarty',), (), ('text/css+smarty',)),
+    'CudaLexer': ('pip._vendor.pygments.lexers.c_like', 'CUDA', ('cuda', 'cu'), ('*.cu', '*.cuh'), ('text/x-cuda',)),
+    'CypherLexer': ('pip._vendor.pygments.lexers.graph', 'Cypher', ('cypher',), ('*.cyp', '*.cypher'), ()),
+    'CythonLexer': ('pip._vendor.pygments.lexers.python', 'Cython', ('cython', 'pyx', 'pyrex'), ('*.pyx', '*.pxd', '*.pxi'), ('text/x-cython', 'application/x-cython')),
+    'DLexer': ('pip._vendor.pygments.lexers.d', 'D', ('d',), ('*.d', '*.di'), ('text/x-dsrc',)),
+    'DObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'd-objdump', ('d-objdump',), ('*.d-objdump',), ('text/x-d-objdump',)),
+    'DarcsPatchLexer': ('pip._vendor.pygments.lexers.diff', 'Darcs Patch', ('dpatch',), ('*.dpatch', '*.darcspatch'), ()),
+    'DartLexer': ('pip._vendor.pygments.lexers.javascript', 'Dart', ('dart',), ('*.dart',), ('text/x-dart',)),
+    'Dasm16Lexer': ('pip._vendor.pygments.lexers.asm', 'DASM16', ('dasm16',), ('*.dasm16', '*.dasm'), ('text/x-dasm16',)),
+    'DebianControlLexer': ('pip._vendor.pygments.lexers.installers', 'Debian Control file', ('debcontrol', 'control'), ('control',), ()),
+    'DelphiLexer': ('pip._vendor.pygments.lexers.pascal', 'Delphi', ('delphi', 'pas', 'pascal', 'objectpascal'), ('*.pas', '*.dpr'), ('text/x-pascal',)),
+    'DevicetreeLexer': ('pip._vendor.pygments.lexers.devicetree', 'Devicetree', ('devicetree', 'dts'), ('*.dts', '*.dtsi'), ('text/x-c',)),
+    'DgLexer': ('pip._vendor.pygments.lexers.python', 'dg', ('dg',), ('*.dg',), ('text/x-dg',)),
+    'DiffLexer': ('pip._vendor.pygments.lexers.diff', 'Diff', ('diff', 'udiff'), ('*.diff', '*.patch'), ('text/x-diff', 'text/x-patch')),
+    'DjangoLexer': ('pip._vendor.pygments.lexers.templates', 'Django/Jinja', ('django', 'jinja'), (), ('application/x-django-templating', 'application/x-jinja')),
+    'DockerLexer': ('pip._vendor.pygments.lexers.configs', 'Docker', ('docker', 'dockerfile'), ('Dockerfile', '*.docker'), ('text/x-dockerfile-config',)),
+    'DtdLexer': ('pip._vendor.pygments.lexers.html', 'DTD', ('dtd',), ('*.dtd',), ('application/xml-dtd',)),
+    'DuelLexer': ('pip._vendor.pygments.lexers.webmisc', 'Duel', ('duel', 'jbst', 'jsonml+bst'), ('*.duel', '*.jbst'), ('text/x-duel', 'text/x-jbst')),
+    'DylanConsoleLexer': ('pip._vendor.pygments.lexers.dylan', 'Dylan session', ('dylan-console', 'dylan-repl'), ('*.dylan-console',), ('text/x-dylan-console',)),
+    'DylanLexer': ('pip._vendor.pygments.lexers.dylan', 'Dylan', ('dylan',), ('*.dylan', '*.dyl', '*.intr'), ('text/x-dylan',)),
+    'DylanLidLexer': ('pip._vendor.pygments.lexers.dylan', 'DylanLID', ('dylan-lid', 'lid'), ('*.lid', '*.hdp'), ('text/x-dylan-lid',)),
+    'ECLLexer': ('pip._vendor.pygments.lexers.ecl', 'ECL', ('ecl',), ('*.ecl',), ('application/x-ecl',)),
+    'ECLexer': ('pip._vendor.pygments.lexers.c_like', 'eC', ('ec',), ('*.ec', '*.eh'), ('text/x-echdr', 'text/x-ecsrc')),
+    'EarlGreyLexer': ('pip._vendor.pygments.lexers.javascript', 'Earl Grey', ('earl-grey', 'earlgrey', 'eg'), ('*.eg',), ('text/x-earl-grey',)),
+    'EasytrieveLexer': ('pip._vendor.pygments.lexers.scripting', 'Easytrieve', ('easytrieve',), ('*.ezt', '*.mac'), ('text/x-easytrieve',)),
+    'EbnfLexer': ('pip._vendor.pygments.lexers.parsers', 'EBNF', ('ebnf',), ('*.ebnf',), ('text/x-ebnf',)),
+    'EiffelLexer': ('pip._vendor.pygments.lexers.eiffel', 'Eiffel', ('eiffel',), ('*.e',), ('text/x-eiffel',)),
+    'ElixirConsoleLexer': ('pip._vendor.pygments.lexers.erlang', 'Elixir iex session', ('iex',), (), ('text/x-elixir-shellsession',)),
+    'ElixirLexer': ('pip._vendor.pygments.lexers.erlang', 'Elixir', ('elixir', 'ex', 'exs'), ('*.ex', '*.eex', '*.exs', '*.leex'), ('text/x-elixir',)),
+    'ElmLexer': ('pip._vendor.pygments.lexers.elm', 'Elm', ('elm',), ('*.elm',), ('text/x-elm',)),
+    'ElpiLexer': ('pip._vendor.pygments.lexers.elpi', 'Elpi', ('elpi',), ('*.elpi',), ('text/x-elpi',)),
+    'EmacsLispLexer': ('pip._vendor.pygments.lexers.lisp', 'EmacsLisp', ('emacs-lisp', 'elisp', 'emacs'), ('*.el',), ('text/x-elisp', 'application/x-elisp')),
+    'EmailLexer': ('pip._vendor.pygments.lexers.email', 'E-mail', ('email', 'eml'), ('*.eml',), ('message/rfc822',)),
+    'ErbLexer': ('pip._vendor.pygments.lexers.templates', 'ERB', ('erb',), (), ('application/x-ruby-templating',)),
+    'ErlangLexer': ('pip._vendor.pygments.lexers.erlang', 'Erlang', ('erlang',), ('*.erl', '*.hrl', '*.es', '*.escript'), ('text/x-erlang',)),
+    'ErlangShellLexer': ('pip._vendor.pygments.lexers.erlang', 'Erlang erl session', ('erl',), ('*.erl-sh',), ('text/x-erl-shellsession',)),
+    'EvoqueHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Evoque', ('html+evoque',), ('*.html',), ('text/html+evoque',)),
+    'EvoqueLexer': ('pip._vendor.pygments.lexers.templates', 'Evoque', ('evoque',), ('*.evoque',), ('application/x-evoque',)),
+    'EvoqueXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Evoque', ('xml+evoque',), ('*.xml',), ('application/xml+evoque',)),
+    'ExeclineLexer': ('pip._vendor.pygments.lexers.shell', 'execline', ('execline',), ('*.exec',), ()),
+    'EzhilLexer': ('pip._vendor.pygments.lexers.ezhil', 'Ezhil', ('ezhil',), ('*.n',), ('text/x-ezhil',)),
+    'FSharpLexer': ('pip._vendor.pygments.lexers.dotnet', 'F#', ('fsharp', 'f#'), ('*.fs', '*.fsi'), ('text/x-fsharp',)),
+    'FStarLexer': ('pip._vendor.pygments.lexers.ml', 'FStar', ('fstar',), ('*.fst', '*.fsti'), ('text/x-fstar',)),
+    'FactorLexer': ('pip._vendor.pygments.lexers.factor', 'Factor', ('factor',), ('*.factor',), ('text/x-factor',)),
+    'FancyLexer': ('pip._vendor.pygments.lexers.ruby', 'Fancy', ('fancy', 'fy'), ('*.fy', '*.fancypack'), ('text/x-fancysrc',)),
+    'FantomLexer': ('pip._vendor.pygments.lexers.fantom', 'Fantom', ('fan',), ('*.fan',), ('application/x-fantom',)),
+    'FelixLexer': ('pip._vendor.pygments.lexers.felix', 'Felix', ('felix', 'flx'), ('*.flx', '*.flxh'), ('text/x-felix',)),
+    'FennelLexer': ('pip._vendor.pygments.lexers.lisp', 'Fennel', ('fennel', 'fnl'), ('*.fnl',), ()),
+    'FishShellLexer': ('pip._vendor.pygments.lexers.shell', 'Fish', ('fish', 'fishshell'), ('*.fish', '*.load'), ('application/x-fish',)),
+    'FlatlineLexer': ('pip._vendor.pygments.lexers.dsls', 'Flatline', ('flatline',), (), ('text/x-flatline',)),
+    'FloScriptLexer': ('pip._vendor.pygments.lexers.floscript', 'FloScript', ('floscript', 'flo'), ('*.flo',), ()),
+    'ForthLexer': ('pip._vendor.pygments.lexers.forth', 'Forth', ('forth',), ('*.frt', '*.fs'), ('application/x-forth',)),
+    'FortranFixedLexer': ('pip._vendor.pygments.lexers.fortran', 'FortranFixed', ('fortranfixed',), ('*.f', '*.F'), ()),
+    'FortranLexer': ('pip._vendor.pygments.lexers.fortran', 'Fortran', ('fortran', 'f90'), ('*.f03', '*.f90', '*.F03', '*.F90'), ('text/x-fortran',)),
+    'FoxProLexer': ('pip._vendor.pygments.lexers.foxpro', 'FoxPro', ('foxpro', 'vfp', 'clipper', 'xbase'), ('*.PRG', '*.prg'), ()),
+    'FreeFemLexer': ('pip._vendor.pygments.lexers.freefem', 'Freefem', ('freefem',), ('*.edp',), ('text/x-freefem',)),
+    'FutharkLexer': ('pip._vendor.pygments.lexers.futhark', 'Futhark', ('futhark',), ('*.fut',), ('text/x-futhark',)),
+    'GAPLexer': ('pip._vendor.pygments.lexers.algebra', 'GAP', ('gap',), ('*.g', '*.gd', '*.gi', '*.gap'), ()),
+    'GDScriptLexer': ('pip._vendor.pygments.lexers.gdscript', 'GDScript', ('gdscript', 'gd'), ('*.gd',), ('text/x-gdscript', 'application/x-gdscript')),
+    'GLShaderLexer': ('pip._vendor.pygments.lexers.graphics', 'GLSL', ('glsl',), ('*.vert', '*.frag', '*.geo'), ('text/x-glslsrc',)),
+    'GSQLLexer': ('pip._vendor.pygments.lexers.gsql', 'GSQL', ('gsql',), ('*.gsql',), ()),
+    'GasLexer': ('pip._vendor.pygments.lexers.asm', 'GAS', ('gas', 'asm'), ('*.s', '*.S'), ('text/x-gas',)),
+    'GcodeLexer': ('pip._vendor.pygments.lexers.gcodelexer', 'g-code', ('gcode',), ('*.gcode',), ()),
+    'GenshiLexer': ('pip._vendor.pygments.lexers.templates', 'Genshi', ('genshi', 'kid', 'xml+genshi', 'xml+kid'), ('*.kid',), ('application/x-genshi', 'application/x-kid')),
+    'GenshiTextLexer': ('pip._vendor.pygments.lexers.templates', 'Genshi Text', ('genshitext',), (), ('application/x-genshi-text', 'text/x-genshi')),
+    'GettextLexer': ('pip._vendor.pygments.lexers.textfmts', 'Gettext Catalog', ('pot', 'po'), ('*.pot', '*.po'), ('application/x-gettext', 'text/x-gettext', 'text/gettext')),
+    'GherkinLexer': ('pip._vendor.pygments.lexers.testing', 'Gherkin', ('gherkin', 'cucumber'), ('*.feature',), ('text/x-gherkin',)),
+    'GnuplotLexer': ('pip._vendor.pygments.lexers.graphics', 'Gnuplot', ('gnuplot',), ('*.plot', '*.plt'), ('text/x-gnuplot',)),
+    'GoLexer': ('pip._vendor.pygments.lexers.go', 'Go', ('go', 'golang'), ('*.go',), ('text/x-gosrc',)),
+    'GoloLexer': ('pip._vendor.pygments.lexers.jvm', 'Golo', ('golo',), ('*.golo',), ()),
+    'GoodDataCLLexer': ('pip._vendor.pygments.lexers.business', 'GoodData-CL', ('gooddata-cl',), ('*.gdc',), ('text/x-gooddata-cl',)),
+    'GosuLexer': ('pip._vendor.pygments.lexers.jvm', 'Gosu', ('gosu',), ('*.gs', '*.gsx', '*.gsp', '*.vark'), ('text/x-gosu',)),
+    'GosuTemplateLexer': ('pip._vendor.pygments.lexers.jvm', 'Gosu Template', ('gst',), ('*.gst',), ('text/x-gosu-template',)),
+    'GraphvizLexer': ('pip._vendor.pygments.lexers.graphviz', 'Graphviz', ('graphviz', 'dot'), ('*.gv', '*.dot'), ('text/x-graphviz', 'text/vnd.graphviz')),
+    'GroffLexer': ('pip._vendor.pygments.lexers.markup', 'Groff', ('groff', 'nroff', 'man'), ('*.[1-9]', '*.man', '*.1p', '*.3pm'), ('application/x-troff', 'text/troff')),
+    'GroovyLexer': ('pip._vendor.pygments.lexers.jvm', 'Groovy', ('groovy',), ('*.groovy', '*.gradle'), ('text/x-groovy',)),
+    'HLSLShaderLexer': ('pip._vendor.pygments.lexers.graphics', 'HLSL', ('hlsl',), ('*.hlsl', '*.hlsli'), ('text/x-hlsl',)),
+    'HamlLexer': ('pip._vendor.pygments.lexers.html', 'Haml', ('haml',), ('*.haml',), ('text/x-haml',)),
+    'HandlebarsHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Handlebars', ('html+handlebars',), ('*.handlebars', '*.hbs'), ('text/html+handlebars', 'text/x-handlebars-template')),
+    'HandlebarsLexer': ('pip._vendor.pygments.lexers.templates', 'Handlebars', ('handlebars',), (), ()),
+    'HaskellLexer': ('pip._vendor.pygments.lexers.haskell', 'Haskell', ('haskell', 'hs'), ('*.hs',), ('text/x-haskell',)),
+    'HaxeLexer': ('pip._vendor.pygments.lexers.haxe', 'Haxe', ('haxe', 'hxsl', 'hx'), ('*.hx', '*.hxsl'), ('text/haxe', 'text/x-haxe', 'text/x-hx')),
+    'HexdumpLexer': ('pip._vendor.pygments.lexers.hexdump', 'Hexdump', ('hexdump',), (), ()),
+    'HsailLexer': ('pip._vendor.pygments.lexers.asm', 'HSAIL', ('hsail', 'hsa'), ('*.hsail',), ('text/x-hsail',)),
+    'HspecLexer': ('pip._vendor.pygments.lexers.haskell', 'Hspec', ('hspec',), (), ()),
+    'HtmlDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Django/Jinja', ('html+django', 'html+jinja', 'htmldjango'), (), ('text/html+django', 'text/html+jinja')),
+    'HtmlGenshiLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Genshi', ('html+genshi', 'html+kid'), (), ('text/html+genshi',)),
+    'HtmlLexer': ('pip._vendor.pygments.lexers.html', 'HTML', ('html',), ('*.html', '*.htm', '*.xhtml', '*.xslt'), ('text/html', 'application/xhtml+xml')),
+    'HtmlPhpLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+PHP', ('html+php',), ('*.phtml',), ('application/x-php', 'application/x-httpd-php', 'application/x-httpd-php3', 'application/x-httpd-php4', 'application/x-httpd-php5')),
+    'HtmlSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Smarty', ('html+smarty',), (), ('text/html+smarty',)),
+    'HttpLexer': ('pip._vendor.pygments.lexers.textfmts', 'HTTP', ('http',), (), ()),
+    'HxmlLexer': ('pip._vendor.pygments.lexers.haxe', 'Hxml', ('haxeml', 'hxml'), ('*.hxml',), ()),
+    'HyLexer': ('pip._vendor.pygments.lexers.lisp', 'Hy', ('hylang',), ('*.hy',), ('text/x-hy', 'application/x-hy')),
+    'HybrisLexer': ('pip._vendor.pygments.lexers.scripting', 'Hybris', ('hybris', 'hy'), ('*.hy', '*.hyb'), ('text/x-hybris', 'application/x-hybris')),
+    'IDLLexer': ('pip._vendor.pygments.lexers.idl', 'IDL', ('idl',), ('*.pro',), ('text/idl',)),
+    'IconLexer': ('pip._vendor.pygments.lexers.unicon', 'Icon', ('icon',), ('*.icon', '*.ICON'), ()),
+    'IdrisLexer': ('pip._vendor.pygments.lexers.haskell', 'Idris', ('idris', 'idr'), ('*.idr',), ('text/x-idris',)),
+    'IgorLexer': ('pip._vendor.pygments.lexers.igor', 'Igor', ('igor', 'igorpro'), ('*.ipf',), ('text/ipf',)),
+    'Inform6Lexer': ('pip._vendor.pygments.lexers.int_fiction', 'Inform 6', ('inform6', 'i6'), ('*.inf',), ()),
+    'Inform6TemplateLexer': ('pip._vendor.pygments.lexers.int_fiction', 'Inform 6 template', ('i6t',), ('*.i6t',), ()),
+    'Inform7Lexer': ('pip._vendor.pygments.lexers.int_fiction', 'Inform 7', ('inform7', 'i7'), ('*.ni', '*.i7x'), ()),
+    'IniLexer': ('pip._vendor.pygments.lexers.configs', 'INI', ('ini', 'cfg', 'dosini'), ('*.ini', '*.cfg', '*.inf', '.editorconfig', '*.service', '*.socket', '*.device', '*.mount', '*.automount', '*.swap', '*.target', '*.path', '*.timer', '*.slice', '*.scope'), ('text/x-ini', 'text/inf')),
+    'IoLexer': ('pip._vendor.pygments.lexers.iolang', 'Io', ('io',), ('*.io',), ('text/x-iosrc',)),
+    'IokeLexer': ('pip._vendor.pygments.lexers.jvm', 'Ioke', ('ioke', 'ik'), ('*.ik',), ('text/x-iokesrc',)),
+    'IrcLogsLexer': ('pip._vendor.pygments.lexers.textfmts', 'IRC logs', ('irc',), ('*.weechatlog',), ('text/x-irclog',)),
+    'IsabelleLexer': ('pip._vendor.pygments.lexers.theorem', 'Isabelle', ('isabelle',), ('*.thy',), ('text/x-isabelle',)),
+    'JLexer': ('pip._vendor.pygments.lexers.j', 'J', ('j',), ('*.ijs',), ('text/x-j',)),
+    'JSLTLexer': ('pip._vendor.pygments.lexers.jslt', 'JSLT', ('jslt',), ('*.jslt',), ('text/x-jslt',)),
+    'JagsLexer': ('pip._vendor.pygments.lexers.modeling', 'JAGS', ('jags',), ('*.jag', '*.bug'), ()),
+    'JasminLexer': ('pip._vendor.pygments.lexers.jvm', 'Jasmin', ('jasmin', 'jasminxt'), ('*.j',), ()),
+    'JavaLexer': ('pip._vendor.pygments.lexers.jvm', 'Java', ('java',), ('*.java',), ('text/x-java',)),
+    'JavascriptDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Django/Jinja', ('javascript+django', 'js+django', 'javascript+jinja', 'js+jinja'), (), ('application/x-javascript+django', 'application/x-javascript+jinja', 'text/x-javascript+django', 'text/x-javascript+jinja', 'text/javascript+django', 'text/javascript+jinja')),
+    'JavascriptErbLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Ruby', ('javascript+ruby', 'js+ruby', 'javascript+erb', 'js+erb'), (), ('application/x-javascript+ruby', 'text/x-javascript+ruby', 'text/javascript+ruby')),
+    'JavascriptGenshiLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Genshi Text', ('js+genshitext', 'js+genshi', 'javascript+genshitext', 'javascript+genshi'), (), ('application/x-javascript+genshi', 'text/x-javascript+genshi', 'text/javascript+genshi')),
+    'JavascriptLexer': ('pip._vendor.pygments.lexers.javascript', 'JavaScript', ('javascript', 'js'), ('*.js', '*.jsm', '*.mjs', '*.cjs'), ('application/javascript', 'application/x-javascript', 'text/x-javascript', 'text/javascript')),
+    'JavascriptPhpLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+PHP', ('javascript+php', 'js+php'), (), ('application/x-javascript+php', 'text/x-javascript+php', 'text/javascript+php')),
+    'JavascriptSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Smarty', ('javascript+smarty', 'js+smarty'), (), ('application/x-javascript+smarty', 'text/x-javascript+smarty', 'text/javascript+smarty')),
+    'JclLexer': ('pip._vendor.pygments.lexers.scripting', 'JCL', ('jcl',), ('*.jcl',), ('text/x-jcl',)),
+    'JsgfLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'JSGF', ('jsgf',), ('*.jsgf',), ('application/jsgf', 'application/x-jsgf', 'text/jsgf')),
+    'JsonBareObjectLexer': ('pip._vendor.pygments.lexers.data', 'JSONBareObject', (), (), ()),
+    'JsonLdLexer': ('pip._vendor.pygments.lexers.data', 'JSON-LD', ('jsonld', 'json-ld'), ('*.jsonld',), ('application/ld+json',)),
+    'JsonLexer': ('pip._vendor.pygments.lexers.data', 'JSON', ('json', 'json-object'), ('*.json', 'Pipfile.lock'), ('application/json', 'application/json-object')),
+    'JspLexer': ('pip._vendor.pygments.lexers.templates', 'Java Server Page', ('jsp',), ('*.jsp',), ('application/x-jsp',)),
+    'JuliaConsoleLexer': ('pip._vendor.pygments.lexers.julia', 'Julia console', ('jlcon', 'julia-repl'), (), ()),
+    'JuliaLexer': ('pip._vendor.pygments.lexers.julia', 'Julia', ('julia', 'jl'), ('*.jl',), ('text/x-julia', 'application/x-julia')),
+    'JuttleLexer': ('pip._vendor.pygments.lexers.javascript', 'Juttle', ('juttle',), ('*.juttle',), ('application/juttle', 'application/x-juttle', 'text/x-juttle', 'text/juttle')),
+    'KalLexer': ('pip._vendor.pygments.lexers.javascript', 'Kal', ('kal',), ('*.kal',), ('text/kal', 'application/kal')),
+    'KconfigLexer': ('pip._vendor.pygments.lexers.configs', 'Kconfig', ('kconfig', 'menuconfig', 'linux-config', 'kernel-config'), ('Kconfig*', '*Config.in*', 'external.in*', 'standard-modules.in'), ('text/x-kconfig',)),
+    'KernelLogLexer': ('pip._vendor.pygments.lexers.textfmts', 'Kernel log', ('kmsg', 'dmesg'), ('*.kmsg', '*.dmesg'), ()),
+    'KokaLexer': ('pip._vendor.pygments.lexers.haskell', 'Koka', ('koka',), ('*.kk', '*.kki'), ('text/x-koka',)),
+    'KotlinLexer': ('pip._vendor.pygments.lexers.jvm', 'Kotlin', ('kotlin',), ('*.kt', '*.kts'), ('text/x-kotlin',)),
+    'KuinLexer': ('pip._vendor.pygments.lexers.kuin', 'Kuin', ('kuin',), ('*.kn',), ()),
+    'LSLLexer': ('pip._vendor.pygments.lexers.scripting', 'LSL', ('lsl',), ('*.lsl',), ('text/x-lsl',)),
+    'LassoCssLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Lasso', ('css+lasso',), (), ('text/css+lasso',)),
+    'LassoHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Lasso', ('html+lasso',), (), ('text/html+lasso', 'application/x-httpd-lasso', 'application/x-httpd-lasso[89]')),
+    'LassoJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Lasso', ('javascript+lasso', 'js+lasso'), (), ('application/x-javascript+lasso', 'text/x-javascript+lasso', 'text/javascript+lasso')),
+    'LassoLexer': ('pip._vendor.pygments.lexers.javascript', 'Lasso', ('lasso', 'lassoscript'), ('*.lasso', '*.lasso[89]'), ('text/x-lasso',)),
+    'LassoXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Lasso', ('xml+lasso',), (), ('application/xml+lasso',)),
+    'LeanLexer': ('pip._vendor.pygments.lexers.theorem', 'Lean', ('lean',), ('*.lean',), ('text/x-lean',)),
+    'LessCssLexer': ('pip._vendor.pygments.lexers.css', 'LessCss', ('less',), ('*.less',), ('text/x-less-css',)),
+    'LighttpdConfLexer': ('pip._vendor.pygments.lexers.configs', 'Lighttpd configuration file', ('lighttpd', 'lighty'), ('lighttpd.conf',), ('text/x-lighttpd-conf',)),
+    'LilyPondLexer': ('pip._vendor.pygments.lexers.lilypond', 'LilyPond', ('lilypond',), ('*.ly',), ()),
+    'LimboLexer': ('pip._vendor.pygments.lexers.inferno', 'Limbo', ('limbo',), ('*.b',), ('text/limbo',)),
+    'LiquidLexer': ('pip._vendor.pygments.lexers.templates', 'liquid', ('liquid',), ('*.liquid',), ()),
+    'LiterateAgdaLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Agda', ('literate-agda', 'lagda'), ('*.lagda',), ('text/x-literate-agda',)),
+    'LiterateCryptolLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Cryptol', ('literate-cryptol', 'lcryptol', 'lcry'), ('*.lcry',), ('text/x-literate-cryptol',)),
+    'LiterateHaskellLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Haskell', ('literate-haskell', 'lhaskell', 'lhs'), ('*.lhs',), ('text/x-literate-haskell',)),
+    'LiterateIdrisLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Idris', ('literate-idris', 'lidris', 'lidr'), ('*.lidr',), ('text/x-literate-idris',)),
+    'LiveScriptLexer': ('pip._vendor.pygments.lexers.javascript', 'LiveScript', ('livescript', 'live-script'), ('*.ls',), ('text/livescript',)),
+    'LlvmLexer': ('pip._vendor.pygments.lexers.asm', 'LLVM', ('llvm',), ('*.ll',), ('text/x-llvm',)),
+    'LlvmMirBodyLexer': ('pip._vendor.pygments.lexers.asm', 'LLVM-MIR Body', ('llvm-mir-body',), (), ()),
+    'LlvmMirLexer': ('pip._vendor.pygments.lexers.asm', 'LLVM-MIR', ('llvm-mir',), ('*.mir',), ()),
+    'LogosLexer': ('pip._vendor.pygments.lexers.objective', 'Logos', ('logos',), ('*.x', '*.xi', '*.xm', '*.xmi'), ('text/x-logos',)),
+    'LogtalkLexer': ('pip._vendor.pygments.lexers.prolog', 'Logtalk', ('logtalk',), ('*.lgt', '*.logtalk'), ('text/x-logtalk',)),
+    'LuaLexer': ('pip._vendor.pygments.lexers.scripting', 'Lua', ('lua',), ('*.lua', '*.wlua'), ('text/x-lua', 'application/x-lua')),
+    'MIMELexer': ('pip._vendor.pygments.lexers.mime', 'MIME', ('mime',), (), ('multipart/mixed', 'multipart/related', 'multipart/alternative')),
+    'MOOCodeLexer': ('pip._vendor.pygments.lexers.scripting', 'MOOCode', ('moocode', 'moo'), ('*.moo',), ('text/x-moocode',)),
+    'MSDOSSessionLexer': ('pip._vendor.pygments.lexers.shell', 'MSDOS Session', ('doscon',), (), ()),
+    'MakefileLexer': ('pip._vendor.pygments.lexers.make', 'Makefile', ('make', 'makefile', 'mf', 'bsdmake'), ('*.mak', '*.mk', 'Makefile', 'makefile', 'Makefile.*', 'GNUmakefile'), ('text/x-makefile',)),
+    'MakoCssLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Mako', ('css+mako',), (), ('text/css+mako',)),
+    'MakoHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Mako', ('html+mako',), (), ('text/html+mako',)),
+    'MakoJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Mako', ('javascript+mako', 'js+mako'), (), ('application/x-javascript+mako', 'text/x-javascript+mako', 'text/javascript+mako')),
+    'MakoLexer': ('pip._vendor.pygments.lexers.templates', 'Mako', ('mako',), ('*.mao',), ('application/x-mako',)),
+    'MakoXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Mako', ('xml+mako',), (), ('application/xml+mako',)),
+    'MaqlLexer': ('pip._vendor.pygments.lexers.business', 'MAQL', ('maql',), ('*.maql',), ('text/x-gooddata-maql', 'application/x-gooddata-maql')),
+    'MarkdownLexer': ('pip._vendor.pygments.lexers.markup', 'Markdown', ('markdown', 'md'), ('*.md', '*.markdown'), ('text/x-markdown',)),
+    'MaskLexer': ('pip._vendor.pygments.lexers.javascript', 'Mask', ('mask',), ('*.mask',), ('text/x-mask',)),
+    'MasonLexer': ('pip._vendor.pygments.lexers.templates', 'Mason', ('mason',), ('*.m', '*.mhtml', '*.mc', '*.mi', 'autohandler', 'dhandler'), ('application/x-mason',)),
+    'MathematicaLexer': ('pip._vendor.pygments.lexers.algebra', 'Mathematica', ('mathematica', 'mma', 'nb'), ('*.nb', '*.cdf', '*.nbp', '*.ma'), ('application/mathematica', 'application/vnd.wolfram.mathematica', 'application/vnd.wolfram.mathematica.package', 'application/vnd.wolfram.cdf')),
+    'MatlabLexer': ('pip._vendor.pygments.lexers.matlab', 'Matlab', ('matlab',), ('*.m',), ('text/matlab',)),
+    'MatlabSessionLexer': ('pip._vendor.pygments.lexers.matlab', 'Matlab session', ('matlabsession',), (), ()),
+    'MaximaLexer': ('pip._vendor.pygments.lexers.maxima', 'Maxima', ('maxima', 'macsyma'), ('*.mac', '*.max'), ()),
+    'MesonLexer': ('pip._vendor.pygments.lexers.meson', 'Meson', ('meson', 'meson.build'), ('meson.build', 'meson_options.txt'), ('text/x-meson',)),
+    'MiniDLexer': ('pip._vendor.pygments.lexers.d', 'MiniD', ('minid',), (), ('text/x-minidsrc',)),
+    'MiniScriptLexer': ('pip._vendor.pygments.lexers.scripting', 'MiniScript', ('miniscript', 'ms'), ('*.ms',), ('text/x-minicript', 'application/x-miniscript')),
+    'ModelicaLexer': ('pip._vendor.pygments.lexers.modeling', 'Modelica', ('modelica',), ('*.mo',), ('text/x-modelica',)),
+    'Modula2Lexer': ('pip._vendor.pygments.lexers.modula2', 'Modula-2', ('modula2', 'm2'), ('*.def', '*.mod'), ('text/x-modula2',)),
+    'MoinWikiLexer': ('pip._vendor.pygments.lexers.markup', 'MoinMoin/Trac Wiki markup', ('trac-wiki', 'moin'), (), ('text/x-trac-wiki',)),
+    'MonkeyLexer': ('pip._vendor.pygments.lexers.basic', 'Monkey', ('monkey',), ('*.monkey',), ('text/x-monkey',)),
+    'MonteLexer': ('pip._vendor.pygments.lexers.monte', 'Monte', ('monte',), ('*.mt',), ()),
+    'MoonScriptLexer': ('pip._vendor.pygments.lexers.scripting', 'MoonScript', ('moonscript', 'moon'), ('*.moon',), ('text/x-moonscript', 'application/x-moonscript')),
+    'MoselLexer': ('pip._vendor.pygments.lexers.mosel', 'Mosel', ('mosel',), ('*.mos',), ()),
+    'MozPreprocCssLexer': ('pip._vendor.pygments.lexers.markup', 'CSS+mozpreproc', ('css+mozpreproc',), ('*.css.in',), ()),
+    'MozPreprocHashLexer': ('pip._vendor.pygments.lexers.markup', 'mozhashpreproc', ('mozhashpreproc',), (), ()),
+    'MozPreprocJavascriptLexer': ('pip._vendor.pygments.lexers.markup', 'Javascript+mozpreproc', ('javascript+mozpreproc',), ('*.js.in',), ()),
+    'MozPreprocPercentLexer': ('pip._vendor.pygments.lexers.markup', 'mozpercentpreproc', ('mozpercentpreproc',), (), ()),
+    'MozPreprocXulLexer': ('pip._vendor.pygments.lexers.markup', 'XUL+mozpreproc', ('xul+mozpreproc',), ('*.xul.in',), ()),
+    'MqlLexer': ('pip._vendor.pygments.lexers.c_like', 'MQL', ('mql', 'mq4', 'mq5', 'mql4', 'mql5'), ('*.mq4', '*.mq5', '*.mqh'), ('text/x-mql',)),
+    'MscgenLexer': ('pip._vendor.pygments.lexers.dsls', 'Mscgen', ('mscgen', 'msc'), ('*.msc',), ()),
+    'MuPADLexer': ('pip._vendor.pygments.lexers.algebra', 'MuPAD', ('mupad',), ('*.mu',), ()),
+    'MxmlLexer': ('pip._vendor.pygments.lexers.actionscript', 'MXML', ('mxml',), ('*.mxml',), ()),
+    'MySqlLexer': ('pip._vendor.pygments.lexers.sql', 'MySQL', ('mysql',), (), ('text/x-mysql',)),
+    'MyghtyCssLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Myghty', ('css+myghty',), (), ('text/css+myghty',)),
+    'MyghtyHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Myghty', ('html+myghty',), (), ('text/html+myghty',)),
+    'MyghtyJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Myghty', ('javascript+myghty', 'js+myghty'), (), ('application/x-javascript+myghty', 'text/x-javascript+myghty', 'text/javascript+mygthy')),
+    'MyghtyLexer': ('pip._vendor.pygments.lexers.templates', 'Myghty', ('myghty',), ('*.myt', 'autodelegate'), ('application/x-myghty',)),
+    'MyghtyXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Myghty', ('xml+myghty',), (), ('application/xml+myghty',)),
+    'NCLLexer': ('pip._vendor.pygments.lexers.ncl', 'NCL', ('ncl',), ('*.ncl',), ('text/ncl',)),
+    'NSISLexer': ('pip._vendor.pygments.lexers.installers', 'NSIS', ('nsis', 'nsi', 'nsh'), ('*.nsi', '*.nsh'), ('text/x-nsis',)),
+    'NasmLexer': ('pip._vendor.pygments.lexers.asm', 'NASM', ('nasm',), ('*.asm', '*.ASM'), ('text/x-nasm',)),
+    'NasmObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'objdump-nasm', ('objdump-nasm',), ('*.objdump-intel',), ('text/x-nasm-objdump',)),
+    'NemerleLexer': ('pip._vendor.pygments.lexers.dotnet', 'Nemerle', ('nemerle',), ('*.n',), ('text/x-nemerle',)),
+    'NesCLexer': ('pip._vendor.pygments.lexers.c_like', 'nesC', ('nesc',), ('*.nc',), ('text/x-nescsrc',)),
+    'NestedTextLexer': ('pip._vendor.pygments.lexers.configs', 'NestedText', ('nestedtext', 'nt'), ('*.nt',), ()),
+    'NewLispLexer': ('pip._vendor.pygments.lexers.lisp', 'NewLisp', ('newlisp',), ('*.lsp', '*.nl', '*.kif'), ('text/x-newlisp', 'application/x-newlisp')),
+    'NewspeakLexer': ('pip._vendor.pygments.lexers.smalltalk', 'Newspeak', ('newspeak',), ('*.ns2',), ('text/x-newspeak',)),
+    'NginxConfLexer': ('pip._vendor.pygments.lexers.configs', 'Nginx configuration file', ('nginx',), ('nginx.conf',), ('text/x-nginx-conf',)),
+    'NimrodLexer': ('pip._vendor.pygments.lexers.nimrod', 'Nimrod', ('nimrod', 'nim'), ('*.nim', '*.nimrod'), ('text/x-nim',)),
+    'NitLexer': ('pip._vendor.pygments.lexers.nit', 'Nit', ('nit',), ('*.nit',), ()),
+    'NixLexer': ('pip._vendor.pygments.lexers.nix', 'Nix', ('nixos', 'nix'), ('*.nix',), ('text/x-nix',)),
+    'NodeConsoleLexer': ('pip._vendor.pygments.lexers.javascript', 'Node.js REPL console session', ('nodejsrepl',), (), ('text/x-nodejsrepl',)),
+    'NotmuchLexer': ('pip._vendor.pygments.lexers.textfmts', 'Notmuch', ('notmuch',), (), ()),
+    'NuSMVLexer': ('pip._vendor.pygments.lexers.smv', 'NuSMV', ('nusmv',), ('*.smv',), ()),
+    'NumPyLexer': ('pip._vendor.pygments.lexers.python', 'NumPy', ('numpy',), (), ()),
+    'ObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'objdump', ('objdump',), ('*.objdump',), ('text/x-objdump',)),
+    'ObjectiveCLexer': ('pip._vendor.pygments.lexers.objective', 'Objective-C', ('objective-c', 'objectivec', 'obj-c', 'objc'), ('*.m', '*.h'), ('text/x-objective-c',)),
+    'ObjectiveCppLexer': ('pip._vendor.pygments.lexers.objective', 'Objective-C++', ('objective-c++', 'objectivec++', 'obj-c++', 'objc++'), ('*.mm', '*.hh'), ('text/x-objective-c++',)),
+    'ObjectiveJLexer': ('pip._vendor.pygments.lexers.javascript', 'Objective-J', ('objective-j', 'objectivej', 'obj-j', 'objj'), ('*.j',), ('text/x-objective-j',)),
+    'OcamlLexer': ('pip._vendor.pygments.lexers.ml', 'OCaml', ('ocaml',), ('*.ml', '*.mli', '*.mll', '*.mly'), ('text/x-ocaml',)),
+    'OctaveLexer': ('pip._vendor.pygments.lexers.matlab', 'Octave', ('octave',), ('*.m',), ('text/octave',)),
+    'OdinLexer': ('pip._vendor.pygments.lexers.archetype', 'ODIN', ('odin',), ('*.odin',), ('text/odin',)),
+    'OmgIdlLexer': ('pip._vendor.pygments.lexers.c_like', 'OMG Interface Definition Language', ('omg-idl',), ('*.idl', '*.pidl'), ()),
+    'OocLexer': ('pip._vendor.pygments.lexers.ooc', 'Ooc', ('ooc',), ('*.ooc',), ('text/x-ooc',)),
+    'OpaLexer': ('pip._vendor.pygments.lexers.ml', 'Opa', ('opa',), ('*.opa',), ('text/x-opa',)),
+    'OpenEdgeLexer': ('pip._vendor.pygments.lexers.business', 'OpenEdge ABL', ('openedge', 'abl', 'progress'), ('*.p', '*.cls'), ('text/x-openedge', 'application/x-openedge')),
+    'OutputLexer': ('pip._vendor.pygments.lexers.special', 'Text output', ('output',), (), ()),
+    'PacmanConfLexer': ('pip._vendor.pygments.lexers.configs', 'PacmanConf', ('pacmanconf',), ('pacman.conf',), ()),
+    'PanLexer': ('pip._vendor.pygments.lexers.dsls', 'Pan', ('pan',), ('*.pan',), ()),
+    'ParaSailLexer': ('pip._vendor.pygments.lexers.parasail', 'ParaSail', ('parasail',), ('*.psi', '*.psl'), ('text/x-parasail',)),
+    'PawnLexer': ('pip._vendor.pygments.lexers.pawn', 'Pawn', ('pawn',), ('*.p', '*.pwn', '*.inc'), ('text/x-pawn',)),
+    'PegLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'PEG', ('peg',), ('*.peg',), ('text/x-peg',)),
+    'Perl6Lexer': ('pip._vendor.pygments.lexers.perl', 'Perl6', ('perl6', 'pl6', 'raku'), ('*.pl', '*.pm', '*.nqp', '*.p6', '*.6pl', '*.p6l', '*.pl6', '*.6pm', '*.p6m', '*.pm6', '*.t', '*.raku', '*.rakumod', '*.rakutest', '*.rakudoc'), ('text/x-perl6', 'application/x-perl6')),
+    'PerlLexer': ('pip._vendor.pygments.lexers.perl', 'Perl', ('perl', 'pl'), ('*.pl', '*.pm', '*.t', '*.perl'), ('text/x-perl', 'application/x-perl')),
+    'PhpLexer': ('pip._vendor.pygments.lexers.php', 'PHP', ('php', 'php3', 'php4', 'php5'), ('*.php', '*.php[345]', '*.inc'), ('text/x-php',)),
+    'PigLexer': ('pip._vendor.pygments.lexers.jvm', 'Pig', ('pig',), ('*.pig',), ('text/x-pig',)),
+    'PikeLexer': ('pip._vendor.pygments.lexers.c_like', 'Pike', ('pike',), ('*.pike', '*.pmod'), ('text/x-pike',)),
+    'PkgConfigLexer': ('pip._vendor.pygments.lexers.configs', 'PkgConfig', ('pkgconfig',), ('*.pc',), ()),
+    'PlPgsqlLexer': ('pip._vendor.pygments.lexers.sql', 'PL/pgSQL', ('plpgsql',), (), ('text/x-plpgsql',)),
+    'PointlessLexer': ('pip._vendor.pygments.lexers.pointless', 'Pointless', ('pointless',), ('*.ptls',), ()),
+    'PonyLexer': ('pip._vendor.pygments.lexers.pony', 'Pony', ('pony',), ('*.pony',), ()),
+    'PostScriptLexer': ('pip._vendor.pygments.lexers.graphics', 'PostScript', ('postscript', 'postscr'), ('*.ps', '*.eps'), ('application/postscript',)),
+    'PostgresConsoleLexer': ('pip._vendor.pygments.lexers.sql', 'PostgreSQL console (psql)', ('psql', 'postgresql-console', 'postgres-console'), (), ('text/x-postgresql-psql',)),
+    'PostgresLexer': ('pip._vendor.pygments.lexers.sql', 'PostgreSQL SQL dialect', ('postgresql', 'postgres'), (), ('text/x-postgresql',)),
+    'PovrayLexer': ('pip._vendor.pygments.lexers.graphics', 'POVRay', ('pov',), ('*.pov', '*.inc'), ('text/x-povray',)),
+    'PowerShellLexer': ('pip._vendor.pygments.lexers.shell', 'PowerShell', ('powershell', 'pwsh', 'posh', 'ps1', 'psm1'), ('*.ps1', '*.psm1'), ('text/x-powershell',)),
+    'PowerShellSessionLexer': ('pip._vendor.pygments.lexers.shell', 'PowerShell Session', ('pwsh-session', 'ps1con'), (), ()),
+    'PraatLexer': ('pip._vendor.pygments.lexers.praat', 'Praat', ('praat',), ('*.praat', '*.proc', '*.psc'), ()),
+    'ProcfileLexer': ('pip._vendor.pygments.lexers.procfile', 'Procfile', ('procfile',), ('Procfile',), ()),
+    'PrologLexer': ('pip._vendor.pygments.lexers.prolog', 'Prolog', ('prolog',), ('*.ecl', '*.prolog', '*.pro', '*.pl'), ('text/x-prolog',)),
+    'PromQLLexer': ('pip._vendor.pygments.lexers.promql', 'PromQL', ('promql',), ('*.promql',), ()),
+    'PropertiesLexer': ('pip._vendor.pygments.lexers.configs', 'Properties', ('properties', 'jproperties'), ('*.properties',), ('text/x-java-properties',)),
+    'ProtoBufLexer': ('pip._vendor.pygments.lexers.dsls', 'Protocol Buffer', ('protobuf', 'proto'), ('*.proto',), ()),
+    'PsyshConsoleLexer': ('pip._vendor.pygments.lexers.php', 'PsySH console session for PHP', ('psysh',), (), ()),
+    'PugLexer': ('pip._vendor.pygments.lexers.html', 'Pug', ('pug', 'jade'), ('*.pug', '*.jade'), ('text/x-pug', 'text/x-jade')),
+    'PuppetLexer': ('pip._vendor.pygments.lexers.dsls', 'Puppet', ('puppet',), ('*.pp',), ()),
+    'PyPyLogLexer': ('pip._vendor.pygments.lexers.console', 'PyPy Log', ('pypylog', 'pypy'), ('*.pypylog',), ('application/x-pypylog',)),
+    'Python2Lexer': ('pip._vendor.pygments.lexers.python', 'Python 2.x', ('python2', 'py2'), (), ('text/x-python2', 'application/x-python2')),
+    'Python2TracebackLexer': ('pip._vendor.pygments.lexers.python', 'Python 2.x Traceback', ('py2tb',), ('*.py2tb',), ('text/x-python2-traceback',)),
+    'PythonConsoleLexer': ('pip._vendor.pygments.lexers.python', 'Python console session', ('pycon',), (), ('text/x-python-doctest',)),
+    'PythonLexer': ('pip._vendor.pygments.lexers.python', 'Python', ('python', 'py', 'sage', 'python3', 'py3'), ('*.py', '*.pyw', '*.jy', '*.sage', '*.sc', 'SConstruct', 'SConscript', '*.bzl', 'BUCK', 'BUILD', 'BUILD.bazel', 'WORKSPACE', '*.tac'), ('text/x-python', 'application/x-python', 'text/x-python3', 'application/x-python3')),
+    'PythonTracebackLexer': ('pip._vendor.pygments.lexers.python', 'Python Traceback', ('pytb', 'py3tb'), ('*.pytb', '*.py3tb'), ('text/x-python-traceback', 'text/x-python3-traceback')),
+    'QBasicLexer': ('pip._vendor.pygments.lexers.basic', 'QBasic', ('qbasic', 'basic'), ('*.BAS', '*.bas'), ('text/basic',)),
+    'QVToLexer': ('pip._vendor.pygments.lexers.qvt', 'QVTO', ('qvto', 'qvt'), ('*.qvto',), ()),
+    'QmlLexer': ('pip._vendor.pygments.lexers.webmisc', 'QML', ('qml', 'qbs'), ('*.qml', '*.qbs'), ('application/x-qml', 'application/x-qt.qbs+qml')),
+    'RConsoleLexer': ('pip._vendor.pygments.lexers.r', 'RConsole', ('rconsole', 'rout'), ('*.Rout',), ()),
+    'RNCCompactLexer': ('pip._vendor.pygments.lexers.rnc', 'Relax-NG Compact', ('rng-compact', 'rnc'), ('*.rnc',), ()),
+    'RPMSpecLexer': ('pip._vendor.pygments.lexers.installers', 'RPMSpec', ('spec',), ('*.spec',), ('text/x-rpm-spec',)),
+    'RacketLexer': ('pip._vendor.pygments.lexers.lisp', 'Racket', ('racket', 'rkt'), ('*.rkt', '*.rktd', '*.rktl'), ('text/x-racket', 'application/x-racket')),
+    'RagelCLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in C Host', ('ragel-c',), ('*.rl',), ()),
+    'RagelCppLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in CPP Host', ('ragel-cpp',), ('*.rl',), ()),
+    'RagelDLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in D Host', ('ragel-d',), ('*.rl',), ()),
+    'RagelEmbeddedLexer': ('pip._vendor.pygments.lexers.parsers', 'Embedded Ragel', ('ragel-em',), ('*.rl',), ()),
+    'RagelJavaLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in Java Host', ('ragel-java',), ('*.rl',), ()),
+    'RagelLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel', ('ragel',), (), ()),
+    'RagelObjectiveCLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in Objective C Host', ('ragel-objc',), ('*.rl',), ()),
+    'RagelRubyLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in Ruby Host', ('ragel-ruby', 'ragel-rb'), ('*.rl',), ()),
+    'RawTokenLexer': ('pip._vendor.pygments.lexers.special', 'Raw token data', (), (), ('application/x-pygments-tokens',)),
+    'RdLexer': ('pip._vendor.pygments.lexers.r', 'Rd', ('rd',), ('*.Rd',), ('text/x-r-doc',)),
+    'ReasonLexer': ('pip._vendor.pygments.lexers.ml', 'ReasonML', ('reasonml', 'reason'), ('*.re', '*.rei'), ('text/x-reasonml',)),
+    'RebolLexer': ('pip._vendor.pygments.lexers.rebol', 'REBOL', ('rebol',), ('*.r', '*.r3', '*.reb'), ('text/x-rebol',)),
+    'RedLexer': ('pip._vendor.pygments.lexers.rebol', 'Red', ('red', 'red/system'), ('*.red', '*.reds'), ('text/x-red', 'text/x-red-system')),
+    'RedcodeLexer': ('pip._vendor.pygments.lexers.esoteric', 'Redcode', ('redcode',), ('*.cw',), ()),
+    'RegeditLexer': ('pip._vendor.pygments.lexers.configs', 'reg', ('registry',), ('*.reg',), ('text/x-windows-registry',)),
+    'ResourceLexer': ('pip._vendor.pygments.lexers.resource', 'ResourceBundle', ('resourcebundle', 'resource'), (), ()),
+    'RexxLexer': ('pip._vendor.pygments.lexers.scripting', 'Rexx', ('rexx', 'arexx'), ('*.rexx', '*.rex', '*.rx', '*.arexx'), ('text/x-rexx',)),
+    'RhtmlLexer': ('pip._vendor.pygments.lexers.templates', 'RHTML', ('rhtml', 'html+erb', 'html+ruby'), ('*.rhtml',), ('text/html+ruby',)),
+    'RideLexer': ('pip._vendor.pygments.lexers.ride', 'Ride', ('ride',), ('*.ride',), ('text/x-ride',)),
+    'RitaLexer': ('pip._vendor.pygments.lexers.rita', 'Rita', ('rita',), ('*.rita',), ('text/rita',)),
+    'RoboconfGraphLexer': ('pip._vendor.pygments.lexers.roboconf', 'Roboconf Graph', ('roboconf-graph',), ('*.graph',), ()),
+    'RoboconfInstancesLexer': ('pip._vendor.pygments.lexers.roboconf', 'Roboconf Instances', ('roboconf-instances',), ('*.instances',), ()),
+    'RobotFrameworkLexer': ('pip._vendor.pygments.lexers.robotframework', 'RobotFramework', ('robotframework',), ('*.robot',), ('text/x-robotframework',)),
+    'RqlLexer': ('pip._vendor.pygments.lexers.sql', 'RQL', ('rql',), ('*.rql',), ('text/x-rql',)),
+    'RslLexer': ('pip._vendor.pygments.lexers.dsls', 'RSL', ('rsl',), ('*.rsl',), ('text/rsl',)),
+    'RstLexer': ('pip._vendor.pygments.lexers.markup', 'reStructuredText', ('restructuredtext', 'rst', 'rest'), ('*.rst', '*.rest'), ('text/x-rst', 'text/prs.fallenstein.rst')),
+    'RtsLexer': ('pip._vendor.pygments.lexers.trafficscript', 'TrafficScript', ('trafficscript', 'rts'), ('*.rts',), ()),
+    'RubyConsoleLexer': ('pip._vendor.pygments.lexers.ruby', 'Ruby irb session', ('rbcon', 'irb'), (), ('text/x-ruby-shellsession',)),
+    'RubyLexer': ('pip._vendor.pygments.lexers.ruby', 'Ruby', ('ruby', 'rb', 'duby'), ('*.rb', '*.rbw', 'Rakefile', '*.rake', '*.gemspec', '*.rbx', '*.duby', 'Gemfile', 'Vagrantfile'), ('text/x-ruby', 'application/x-ruby')),
+    'RustLexer': ('pip._vendor.pygments.lexers.rust', 'Rust', ('rust', 'rs'), ('*.rs', '*.rs.in'), ('text/rust', 'text/x-rust')),
+    'SASLexer': ('pip._vendor.pygments.lexers.sas', 'SAS', ('sas',), ('*.SAS', '*.sas'), ('text/x-sas', 'text/sas', 'application/x-sas')),
+    'SLexer': ('pip._vendor.pygments.lexers.r', 'S', ('splus', 's', 'r'), ('*.S', '*.R', '.Rhistory', '.Rprofile', '.Renviron'), ('text/S-plus', 'text/S', 'text/x-r-source', 'text/x-r', 'text/x-R', 'text/x-r-history', 'text/x-r-profile')),
+    'SMLLexer': ('pip._vendor.pygments.lexers.ml', 'Standard ML', ('sml',), ('*.sml', '*.sig', '*.fun'), ('text/x-standardml', 'application/x-standardml')),
+    'SarlLexer': ('pip._vendor.pygments.lexers.jvm', 'SARL', ('sarl',), ('*.sarl',), ('text/x-sarl',)),
+    'SassLexer': ('pip._vendor.pygments.lexers.css', 'Sass', ('sass',), ('*.sass',), ('text/x-sass',)),
+    'SaviLexer': ('pip._vendor.pygments.lexers.savi', 'Savi', ('savi',), ('*.savi',), ()),
+    'ScalaLexer': ('pip._vendor.pygments.lexers.jvm', 'Scala', ('scala',), ('*.scala',), ('text/x-scala',)),
+    'ScamlLexer': ('pip._vendor.pygments.lexers.html', 'Scaml', ('scaml',), ('*.scaml',), ('text/x-scaml',)),
+    'ScdocLexer': ('pip._vendor.pygments.lexers.scdoc', 'scdoc', ('scdoc', 'scd'), ('*.scd', '*.scdoc'), ()),
+    'SchemeLexer': ('pip._vendor.pygments.lexers.lisp', 'Scheme', ('scheme', 'scm'), ('*.scm', '*.ss'), ('text/x-scheme', 'application/x-scheme')),
+    'ScilabLexer': ('pip._vendor.pygments.lexers.matlab', 'Scilab', ('scilab',), ('*.sci', '*.sce', '*.tst'), ('text/scilab',)),
+    'ScssLexer': ('pip._vendor.pygments.lexers.css', 'SCSS', ('scss',), ('*.scss',), ('text/x-scss',)),
+    'SedLexer': ('pip._vendor.pygments.lexers.textedit', 'Sed', ('sed', 'gsed', 'ssed'), ('*.sed', '*.[gs]sed'), ('text/x-sed',)),
+    'ShExCLexer': ('pip._vendor.pygments.lexers.rdf', 'ShExC', ('shexc', 'shex'), ('*.shex',), ('text/shex',)),
+    'ShenLexer': ('pip._vendor.pygments.lexers.lisp', 'Shen', ('shen',), ('*.shen',), ('text/x-shen', 'application/x-shen')),
+    'SieveLexer': ('pip._vendor.pygments.lexers.sieve', 'Sieve', ('sieve',), ('*.siv', '*.sieve'), ()),
+    'SilverLexer': ('pip._vendor.pygments.lexers.verification', 'Silver', ('silver',), ('*.sil', '*.vpr'), ()),
+    'SingularityLexer': ('pip._vendor.pygments.lexers.configs', 'Singularity', ('singularity',), ('*.def', 'Singularity'), ()),
+    'SlashLexer': ('pip._vendor.pygments.lexers.slash', 'Slash', ('slash',), ('*.sla',), ()),
+    'SlimLexer': ('pip._vendor.pygments.lexers.webmisc', 'Slim', ('slim',), ('*.slim',), ('text/x-slim',)),
+    'SlurmBashLexer': ('pip._vendor.pygments.lexers.shell', 'Slurm', ('slurm', 'sbatch'), ('*.sl',), ()),
+    'SmaliLexer': ('pip._vendor.pygments.lexers.dalvik', 'Smali', ('smali',), ('*.smali',), ('text/smali',)),
+    'SmalltalkLexer': ('pip._vendor.pygments.lexers.smalltalk', 'Smalltalk', ('smalltalk', 'squeak', 'st'), ('*.st',), ('text/x-smalltalk',)),
+    'SmartGameFormatLexer': ('pip._vendor.pygments.lexers.sgf', 'SmartGameFormat', ('sgf',), ('*.sgf',), ()),
+    'SmartyLexer': ('pip._vendor.pygments.lexers.templates', 'Smarty', ('smarty',), ('*.tpl',), ('application/x-smarty',)),
+    'SmithyLexer': ('pip._vendor.pygments.lexers.smithy', 'Smithy', ('smithy',), ('*.smithy',), ()),
+    'SnobolLexer': ('pip._vendor.pygments.lexers.snobol', 'Snobol', ('snobol',), ('*.snobol',), ('text/x-snobol',)),
+    'SnowballLexer': ('pip._vendor.pygments.lexers.dsls', 'Snowball', ('snowball',), ('*.sbl',), ()),
+    'SolidityLexer': ('pip._vendor.pygments.lexers.solidity', 'Solidity', ('solidity',), ('*.sol',), ()),
+    'SophiaLexer': ('pip._vendor.pygments.lexers.sophia', 'Sophia', ('sophia',), ('*.aes',), ()),
+    'SourcePawnLexer': ('pip._vendor.pygments.lexers.pawn', 'SourcePawn', ('sp',), ('*.sp',), ('text/x-sourcepawn',)),
+    'SourcesListLexer': ('pip._vendor.pygments.lexers.installers', 'Debian Sourcelist', ('debsources', 'sourceslist', 'sources.list'), ('sources.list',), ()),
+    'SparqlLexer': ('pip._vendor.pygments.lexers.rdf', 'SPARQL', ('sparql',), ('*.rq', '*.sparql'), ('application/sparql-query',)),
+    'SpiceLexer': ('pip._vendor.pygments.lexers.spice', 'Spice', ('spice', 'spicelang'), ('*.spice',), ('text/x-spice',)),
+    'SqlLexer': ('pip._vendor.pygments.lexers.sql', 'SQL', ('sql',), ('*.sql',), ('text/x-sql',)),
+    'SqliteConsoleLexer': ('pip._vendor.pygments.lexers.sql', 'sqlite3con', ('sqlite3',), ('*.sqlite3-console',), ('text/x-sqlite3-console',)),
+    'SquidConfLexer': ('pip._vendor.pygments.lexers.configs', 'SquidConf', ('squidconf', 'squid.conf', 'squid'), ('squid.conf',), ('text/x-squidconf',)),
+    'SrcinfoLexer': ('pip._vendor.pygments.lexers.srcinfo', 'Srcinfo', ('srcinfo',), ('.SRCINFO',), ()),
+    'SspLexer': ('pip._vendor.pygments.lexers.templates', 'Scalate Server Page', ('ssp',), ('*.ssp',), ('application/x-ssp',)),
+    'StanLexer': ('pip._vendor.pygments.lexers.modeling', 'Stan', ('stan',), ('*.stan',), ()),
+    'StataLexer': ('pip._vendor.pygments.lexers.stata', 'Stata', ('stata', 'do'), ('*.do', '*.ado'), ('text/x-stata', 'text/stata', 'application/x-stata')),
+    'SuperColliderLexer': ('pip._vendor.pygments.lexers.supercollider', 'SuperCollider', ('supercollider', 'sc'), ('*.sc', '*.scd'), ('application/supercollider', 'text/supercollider')),
+    'SwiftLexer': ('pip._vendor.pygments.lexers.objective', 'Swift', ('swift',), ('*.swift',), ('text/x-swift',)),
+    'SwigLexer': ('pip._vendor.pygments.lexers.c_like', 'SWIG', ('swig',), ('*.swg', '*.i'), ('text/swig',)),
+    'SystemVerilogLexer': ('pip._vendor.pygments.lexers.hdl', 'systemverilog', ('systemverilog', 'sv'), ('*.sv', '*.svh'), ('text/x-systemverilog',)),
+    'TAPLexer': ('pip._vendor.pygments.lexers.testing', 'TAP', ('tap',), ('*.tap',), ()),
+    'TNTLexer': ('pip._vendor.pygments.lexers.tnt', 'Typographic Number Theory', ('tnt',), ('*.tnt',), ()),
+    'TOMLLexer': ('pip._vendor.pygments.lexers.configs', 'TOML', ('toml',), ('*.toml', 'Pipfile', 'poetry.lock'), ()),
+    'Tads3Lexer': ('pip._vendor.pygments.lexers.int_fiction', 'TADS 3', ('tads3',), ('*.t',), ()),
+    'TasmLexer': ('pip._vendor.pygments.lexers.asm', 'TASM', ('tasm',), ('*.asm', '*.ASM', '*.tasm'), ('text/x-tasm',)),
+    'TclLexer': ('pip._vendor.pygments.lexers.tcl', 'Tcl', ('tcl',), ('*.tcl', '*.rvt'), ('text/x-tcl', 'text/x-script.tcl', 'application/x-tcl')),
+    'TcshLexer': ('pip._vendor.pygments.lexers.shell', 'Tcsh', ('tcsh', 'csh'), ('*.tcsh', '*.csh'), ('application/x-csh',)),
+    'TcshSessionLexer': ('pip._vendor.pygments.lexers.shell', 'Tcsh Session', ('tcshcon',), (), ()),
+    'TeaTemplateLexer': ('pip._vendor.pygments.lexers.templates', 'Tea', ('tea',), ('*.tea',), ('text/x-tea',)),
+    'TealLexer': ('pip._vendor.pygments.lexers.teal', 'teal', ('teal',), ('*.teal',), ()),
+    'TeraTermLexer': ('pip._vendor.pygments.lexers.teraterm', 'Tera Term macro', ('teratermmacro', 'teraterm', 'ttl'), ('*.ttl',), ('text/x-teratermmacro',)),
+    'TermcapLexer': ('pip._vendor.pygments.lexers.configs', 'Termcap', ('termcap',), ('termcap', 'termcap.src'), ()),
+    'TerminfoLexer': ('pip._vendor.pygments.lexers.configs', 'Terminfo', ('terminfo',), ('terminfo', 'terminfo.src'), ()),
+    'TerraformLexer': ('pip._vendor.pygments.lexers.configs', 'Terraform', ('terraform', 'tf'), ('*.tf',), ('application/x-tf', 'application/x-terraform')),
+    'TexLexer': ('pip._vendor.pygments.lexers.markup', 'TeX', ('tex', 'latex'), ('*.tex', '*.aux', '*.toc'), ('text/x-tex', 'text/x-latex')),
+    'TextLexer': ('pip._vendor.pygments.lexers.special', 'Text only', ('text',), ('*.txt',), ('text/plain',)),
+    'ThingsDBLexer': ('pip._vendor.pygments.lexers.thingsdb', 'ThingsDB', ('ti', 'thingsdb'), ('*.ti',), ()),
+    'ThriftLexer': ('pip._vendor.pygments.lexers.dsls', 'Thrift', ('thrift',), ('*.thrift',), ('application/x-thrift',)),
+    'TiddlyWiki5Lexer': ('pip._vendor.pygments.lexers.markup', 'tiddler', ('tid',), ('*.tid',), ('text/vnd.tiddlywiki',)),
+    'TodotxtLexer': ('pip._vendor.pygments.lexers.textfmts', 'Todotxt', ('todotxt',), ('todo.txt', '*.todotxt'), ('text/x-todo',)),
+    'TransactSqlLexer': ('pip._vendor.pygments.lexers.sql', 'Transact-SQL', ('tsql', 't-sql'), ('*.sql',), ('text/x-tsql',)),
+    'TreetopLexer': ('pip._vendor.pygments.lexers.parsers', 'Treetop', ('treetop',), ('*.treetop', '*.tt'), ()),
+    'TurtleLexer': ('pip._vendor.pygments.lexers.rdf', 'Turtle', ('turtle',), ('*.ttl',), ('text/turtle', 'application/x-turtle')),
+    'TwigHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Twig', ('html+twig',), ('*.twig',), ('text/html+twig',)),
+    'TwigLexer': ('pip._vendor.pygments.lexers.templates', 'Twig', ('twig',), (), ('application/x-twig',)),
+    'TypeScriptLexer': ('pip._vendor.pygments.lexers.javascript', 'TypeScript', ('typescript', 'ts'), ('*.ts',), ('application/x-typescript', 'text/x-typescript')),
+    'TypoScriptCssDataLexer': ('pip._vendor.pygments.lexers.typoscript', 'TypoScriptCssData', ('typoscriptcssdata',), (), ()),
+    'TypoScriptHtmlDataLexer': ('pip._vendor.pygments.lexers.typoscript', 'TypoScriptHtmlData', ('typoscripthtmldata',), (), ()),
+    'TypoScriptLexer': ('pip._vendor.pygments.lexers.typoscript', 'TypoScript', ('typoscript',), ('*.typoscript',), ('text/x-typoscript',)),
+    'UcodeLexer': ('pip._vendor.pygments.lexers.unicon', 'ucode', ('ucode',), ('*.u', '*.u1', '*.u2'), ()),
+    'UniconLexer': ('pip._vendor.pygments.lexers.unicon', 'Unicon', ('unicon',), ('*.icn',), ('text/unicon',)),
+    'UrbiscriptLexer': ('pip._vendor.pygments.lexers.urbi', 'UrbiScript', ('urbiscript',), ('*.u',), ('application/x-urbiscript',)),
+    'UsdLexer': ('pip._vendor.pygments.lexers.usd', 'USD', ('usd', 'usda'), ('*.usd', '*.usda'), ()),
+    'VBScriptLexer': ('pip._vendor.pygments.lexers.basic', 'VBScript', ('vbscript',), ('*.vbs', '*.VBS'), ()),
+    'VCLLexer': ('pip._vendor.pygments.lexers.varnish', 'VCL', ('vcl',), ('*.vcl',), ('text/x-vclsrc',)),
+    'VCLSnippetLexer': ('pip._vendor.pygments.lexers.varnish', 'VCLSnippets', ('vclsnippets', 'vclsnippet'), (), ('text/x-vclsnippet',)),
+    'VCTreeStatusLexer': ('pip._vendor.pygments.lexers.console', 'VCTreeStatus', ('vctreestatus',), (), ()),
+    'VGLLexer': ('pip._vendor.pygments.lexers.dsls', 'VGL', ('vgl',), ('*.rpf',), ()),
+    'ValaLexer': ('pip._vendor.pygments.lexers.c_like', 'Vala', ('vala', 'vapi'), ('*.vala', '*.vapi'), ('text/x-vala',)),
+    'VbNetAspxLexer': ('pip._vendor.pygments.lexers.dotnet', 'aspx-vb', ('aspx-vb',), ('*.aspx', '*.asax', '*.ascx', '*.ashx', '*.asmx', '*.axd'), ()),
+    'VbNetLexer': ('pip._vendor.pygments.lexers.dotnet', 'VB.net', ('vb.net', 'vbnet'), ('*.vb', '*.bas'), ('text/x-vbnet', 'text/x-vba')),
+    'VelocityHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Velocity', ('html+velocity',), (), ('text/html+velocity',)),
+    'VelocityLexer': ('pip._vendor.pygments.lexers.templates', 'Velocity', ('velocity',), ('*.vm', '*.fhtml'), ()),
+    'VelocityXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Velocity', ('xml+velocity',), (), ('application/xml+velocity',)),
+    'VerilogLexer': ('pip._vendor.pygments.lexers.hdl', 'verilog', ('verilog', 'v'), ('*.v',), ('text/x-verilog',)),
+    'VhdlLexer': ('pip._vendor.pygments.lexers.hdl', 'vhdl', ('vhdl',), ('*.vhdl', '*.vhd'), ('text/x-vhdl',)),
+    'VimLexer': ('pip._vendor.pygments.lexers.textedit', 'VimL', ('vim',), ('*.vim', '.vimrc', '.exrc', '.gvimrc', '_vimrc', '_exrc', '_gvimrc', 'vimrc', 'gvimrc'), ('text/x-vim',)),
+    'WDiffLexer': ('pip._vendor.pygments.lexers.diff', 'WDiff', ('wdiff',), ('*.wdiff',), ()),
+    'WatLexer': ('pip._vendor.pygments.lexers.webassembly', 'WebAssembly', ('wast', 'wat'), ('*.wat', '*.wast'), ()),
+    'WebIDLLexer': ('pip._vendor.pygments.lexers.webidl', 'Web IDL', ('webidl',), ('*.webidl',), ()),
+    'WhileyLexer': ('pip._vendor.pygments.lexers.whiley', 'Whiley', ('whiley',), ('*.whiley',), ('text/x-whiley',)),
+    'X10Lexer': ('pip._vendor.pygments.lexers.x10', 'X10', ('x10', 'xten'), ('*.x10',), ('text/x-x10',)),
+    'XQueryLexer': ('pip._vendor.pygments.lexers.webmisc', 'XQuery', ('xquery', 'xqy', 'xq', 'xql', 'xqm'), ('*.xqy', '*.xquery', '*.xq', '*.xql', '*.xqm'), ('text/xquery', 'application/xquery')),
+    'XmlDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Django/Jinja', ('xml+django', 'xml+jinja'), (), ('application/xml+django', 'application/xml+jinja')),
+    'XmlErbLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Ruby', ('xml+ruby', 'xml+erb'), (), ('application/xml+ruby',)),
+    'XmlLexer': ('pip._vendor.pygments.lexers.html', 'XML', ('xml',), ('*.xml', '*.xsl', '*.rss', '*.xslt', '*.xsd', '*.wsdl', '*.wsf'), ('text/xml', 'application/xml', 'image/svg+xml', 'application/rss+xml', 'application/atom+xml')),
+    'XmlPhpLexer': ('pip._vendor.pygments.lexers.templates', 'XML+PHP', ('xml+php',), (), ('application/xml+php',)),
+    'XmlSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Smarty', ('xml+smarty',), (), ('application/xml+smarty',)),
+    'XorgLexer': ('pip._vendor.pygments.lexers.xorg', 'Xorg', ('xorg.conf',), ('xorg.conf',), ()),
+    'XsltLexer': ('pip._vendor.pygments.lexers.html', 'XSLT', ('xslt',), ('*.xsl', '*.xslt', '*.xpl'), ('application/xsl+xml', 'application/xslt+xml')),
+    'XtendLexer': ('pip._vendor.pygments.lexers.jvm', 'Xtend', ('xtend',), ('*.xtend',), ('text/x-xtend',)),
+    'XtlangLexer': ('pip._vendor.pygments.lexers.lisp', 'xtlang', ('extempore',), ('*.xtm',), ()),
+    'YamlJinjaLexer': ('pip._vendor.pygments.lexers.templates', 'YAML+Jinja', ('yaml+jinja', 'salt', 'sls'), ('*.sls',), ('text/x-yaml+jinja', 'text/x-sls')),
+    'YamlLexer': ('pip._vendor.pygments.lexers.data', 'YAML', ('yaml',), ('*.yaml', '*.yml'), ('text/x-yaml',)),
+    'YangLexer': ('pip._vendor.pygments.lexers.yang', 'YANG', ('yang',), ('*.yang',), ('application/yang',)),
+    'ZeekLexer': ('pip._vendor.pygments.lexers.dsls', 'Zeek', ('zeek', 'bro'), ('*.zeek', '*.bro'), ()),
+    'ZephirLexer': ('pip._vendor.pygments.lexers.php', 'Zephir', ('zephir',), ('*.zep',), ()),
+    'ZigLexer': ('pip._vendor.pygments.lexers.zig', 'Zig', ('zig',), ('*.zig',), ('text/zig',)),
+    'apdlexer': ('pip._vendor.pygments.lexers.apdlexer', 'ANSYS parametric design language', ('ansys', 'apdl'), ('*.ans',), ()),
+}
+
+if __name__ == '__main__':  # pragma: no cover
+    import sys
+    import os
+
+    # lookup lexers
+    found_lexers = []
+    sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
+    for root, dirs, files in os.walk('.'):
+        for filename in files:
+            if filename.endswith('.py') and not filename.startswith('_'):
+                module_name = 'pygments.lexers%s.%s' % (
+                    root[1:].replace('/', '.'), filename[:-3])
+                print(module_name)
+                module = __import__(module_name, None, None, [''])
+                for lexer_name in module.__all__:
+                    lexer = getattr(module, lexer_name)
+                    found_lexers.append(
+                        '%r: %r' % (lexer_name,
+                                    (module_name,
+                                     lexer.name,
+                                     tuple(lexer.aliases),
+                                     tuple(lexer.filenames),
+                                     tuple(lexer.mimetypes))))
+    # sort them to make the diff minimal
+    found_lexers.sort()
+
+    # extract useful sourcecode from this file
+    with open(__file__) as fp:
+        content = fp.read()
+        # replace crnl to nl for Windows.
+        #
+        # Note that, originally, contributers should keep nl of master
+        # repository, for example by using some kind of automatic
+        # management EOL, like `EolExtension
+        #  <https://www.mercurial-scm.org/wiki/EolExtension>`.
+        content = content.replace("\r\n", "\n")
+    header = content[:content.find('LEXERS = {')]
+    footer = content[content.find("if __name__ == '__main__':"):]
+
+    # write new file
+    with open(__file__, 'w') as fp:
+        fp.write(header)
+        fp.write('LEXERS = {\n    %s,\n}\n\n' % ',\n    '.join(found_lexers))
+        fp.write(footer)
+
+    print ('=== %d lexers processed.' % len(found_lexers))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/lexers/python.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/lexers/python.py
new file mode 100644
index 0000000000000000000000000000000000000000..0e7bab9945ac8265d1f3327bbd5a1890ba540325
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/lexers/python.py
@@ -0,0 +1,1188 @@
+"""
+    pygments.lexers.python
+    ~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for Python and related languages.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+import keyword
+
+from pip._vendor.pygments.lexer import Lexer, RegexLexer, include, bygroups, using, \
+    default, words, combined, do_insertions, this
+from pip._vendor.pygments.util import get_bool_opt, shebang_matches
+from pip._vendor.pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Generic, Other, Error
+from pip._vendor.pygments import unistring as uni
+
+__all__ = ['PythonLexer', 'PythonConsoleLexer', 'PythonTracebackLexer',
+           'Python2Lexer', 'Python2TracebackLexer',
+           'CythonLexer', 'DgLexer', 'NumPyLexer']
+
+line_re = re.compile('.*?\n')
+
+
+class PythonLexer(RegexLexer):
+    """
+    For `Python <http://www.python.org>`_ source code (version 3.x).
+
+    .. versionadded:: 0.10
+
+    .. versionchanged:: 2.5
+       This is now the default ``PythonLexer``.  It is still available as the
+       alias ``Python3Lexer``.
+    """
+
+    name = 'Python'
+    aliases = ['python', 'py', 'sage', 'python3', 'py3']
+    filenames = [
+        '*.py',
+        '*.pyw',
+        # Jython
+        '*.jy',
+        # Sage
+        '*.sage',
+        # SCons
+        '*.sc',
+        'SConstruct',
+        'SConscript',
+        # Skylark/Starlark (used by Bazel, Buck, and Pants)
+        '*.bzl',
+        'BUCK',
+        'BUILD',
+        'BUILD.bazel',
+        'WORKSPACE',
+        # Twisted Application infrastructure
+        '*.tac',
+    ]
+    mimetypes = ['text/x-python', 'application/x-python',
+                 'text/x-python3', 'application/x-python3']
+
+    flags = re.MULTILINE | re.UNICODE
+
+    uni_name = "[%s][%s]*" % (uni.xid_start, uni.xid_continue)
+
+    def innerstring_rules(ttype):
+        return [
+            # the old style '%s' % (...) string formatting (still valid in Py3)
+            (r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsaux%]', String.Interpol),
+            # the new style '{}'.format(...) string formatting
+            (r'\{'
+             r'((\w+)((\.\w+)|(\[[^\]]+\]))*)?'  # field name
+             r'(\![sra])?'                       # conversion
+             r'(\:(.?[<>=\^])?[-+ ]?#?0?(\d+)?,?(\.\d+)?[E-GXb-gnosx%]?)?'
+             r'\}', String.Interpol),
+
+            # backslashes, quotes and formatting signs must be parsed one at a time
+            (r'[^\\\'"%{\n]+', ttype),
+            (r'[\'"\\]', ttype),
+            # unhandled string formatting sign
+            (r'%|(\{{1,2})', ttype)
+            # newlines are an error (use "nl" state)
+        ]
+
+    def fstring_rules(ttype):
+        return [
+            # Assuming that a '}' is the closing brace after format specifier.
+            # Sadly, this means that we won't detect syntax error. But it's
+            # more important to parse correct syntax correctly, than to
+            # highlight invalid syntax.
+            (r'\}', String.Interpol),
+            (r'\{', String.Interpol, 'expr-inside-fstring'),
+            # backslashes, quotes and formatting signs must be parsed one at a time
+            (r'[^\\\'"{}\n]+', ttype),
+            (r'[\'"\\]', ttype),
+            # newlines are an error (use "nl" state)
+        ]
+
+    tokens = {
+        'root': [
+            (r'\n', Text),
+            (r'^(\s*)([rRuUbB]{,2})("""(?:.|\n)*?""")',
+             bygroups(Text, String.Affix, String.Doc)),
+            (r"^(\s*)([rRuUbB]{,2})('''(?:.|\n)*?''')",
+             bygroups(Text, String.Affix, String.Doc)),
+            (r'\A#!.+$', Comment.Hashbang),
+            (r'#.*$', Comment.Single),
+            (r'\\\n', Text),
+            (r'\\', Text),
+            include('keywords'),
+            include('soft-keywords'),
+            (r'(def)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'funcname'),
+            (r'(class)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'classname'),
+            (r'(from)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'fromimport'),
+            (r'(import)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'import'),
+            include('expr'),
+        ],
+        'expr': [
+            # raw f-strings
+            ('(?i)(rf|fr)(""")',
+             bygroups(String.Affix, String.Double),
+             combined('rfstringescape', 'tdqf')),
+            ("(?i)(rf|fr)(''')",
+             bygroups(String.Affix, String.Single),
+             combined('rfstringescape', 'tsqf')),
+            ('(?i)(rf|fr)(")',
+             bygroups(String.Affix, String.Double),
+             combined('rfstringescape', 'dqf')),
+            ("(?i)(rf|fr)(')",
+             bygroups(String.Affix, String.Single),
+             combined('rfstringescape', 'sqf')),
+            # non-raw f-strings
+            ('([fF])(""")', bygroups(String.Affix, String.Double),
+             combined('fstringescape', 'tdqf')),
+            ("([fF])(''')", bygroups(String.Affix, String.Single),
+             combined('fstringescape', 'tsqf')),
+            ('([fF])(")', bygroups(String.Affix, String.Double),
+             combined('fstringescape', 'dqf')),
+            ("([fF])(')", bygroups(String.Affix, String.Single),
+             combined('fstringescape', 'sqf')),
+            # raw strings
+            ('(?i)(rb|br|r)(""")',
+             bygroups(String.Affix, String.Double), 'tdqs'),
+            ("(?i)(rb|br|r)(''')",
+             bygroups(String.Affix, String.Single), 'tsqs'),
+            ('(?i)(rb|br|r)(")',
+             bygroups(String.Affix, String.Double), 'dqs'),
+            ("(?i)(rb|br|r)(')",
+             bygroups(String.Affix, String.Single), 'sqs'),
+            # non-raw strings
+            ('([uUbB]?)(""")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'tdqs')),
+            ("([uUbB]?)(''')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'tsqs')),
+            ('([uUbB]?)(")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'dqs')),
+            ("([uUbB]?)(')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'sqs')),
+            (r'[^\S\n]+', Text),
+            include('numbers'),
+            (r'!=|==|<<|>>|:=|[-~+/*%=<>&^|.]', Operator),
+            (r'[]{}:(),;[]', Punctuation),
+            (r'(in|is|and|or|not)\b', Operator.Word),
+            include('expr-keywords'),
+            include('builtins'),
+            include('magicfuncs'),
+            include('magicvars'),
+            include('name'),
+        ],
+        'expr-inside-fstring': [
+            (r'[{([]', Punctuation, 'expr-inside-fstring-inner'),
+            # without format specifier
+            (r'(=\s*)?'         # debug (https://bugs.python.org/issue36817)
+             r'(\![sraf])?'     # conversion
+             r'\}', String.Interpol, '#pop'),
+            # with format specifier
+            # we'll catch the remaining '}' in the outer scope
+            (r'(=\s*)?'         # debug (https://bugs.python.org/issue36817)
+             r'(\![sraf])?'     # conversion
+             r':', String.Interpol, '#pop'),
+            (r'\s+', Text),  # allow new lines
+            include('expr'),
+        ],
+        'expr-inside-fstring-inner': [
+            (r'[{([]', Punctuation, 'expr-inside-fstring-inner'),
+            (r'[])}]', Punctuation, '#pop'),
+            (r'\s+', Text),  # allow new lines
+            include('expr'),
+        ],
+        'expr-keywords': [
+            # Based on https://docs.python.org/3/reference/expressions.html
+            (words((
+                'async for', 'await', 'else', 'for', 'if', 'lambda',
+                'yield', 'yield from'), suffix=r'\b'),
+             Keyword),
+            (words(('True', 'False', 'None'), suffix=r'\b'), Keyword.Constant),
+        ],
+        'keywords': [
+            (words((
+                'assert', 'async', 'await', 'break', 'continue', 'del', 'elif',
+                'else', 'except', 'finally', 'for', 'global', 'if', 'lambda',
+                'pass', 'raise', 'nonlocal', 'return', 'try', 'while', 'yield',
+                'yield from', 'as', 'with'), suffix=r'\b'),
+             Keyword),
+            (words(('True', 'False', 'None'), suffix=r'\b'), Keyword.Constant),
+        ],
+        'soft-keywords': [
+            # `match`, `case` and `_` soft keywords
+            (r'(^[ \t]*)'              # at beginning of line + possible indentation
+             r'(match|case)\b'         # a possible keyword
+             r'(?![ \t]*(?:'           # not followed by...
+             r'[:,;=^&|@~)\]}]|(?:' +  # characters and keywords that mean this isn't 
+             r'|'.join(keyword.kwlist) + r')\b))',                 # pattern matching
+             bygroups(Text, Keyword), 'soft-keywords-inner'),
+        ],
+        'soft-keywords-inner': [
+            # optional `_` keyword
+            (r'(\s+)([^\n_]*)(_\b)', bygroups(Text, using(this), Keyword)),
+            default('#pop')
+        ],
+        'builtins': [
+            (words((
+                '__import__', 'abs', 'all', 'any', 'bin', 'bool', 'bytearray',
+                'breakpoint', 'bytes', 'chr', 'classmethod', 'compile', 'complex',
+                'delattr', 'dict', 'dir', 'divmod', 'enumerate', 'eval', 'filter',
+                'float', 'format', 'frozenset', 'getattr', 'globals', 'hasattr',
+                'hash', 'hex', 'id', 'input', 'int', 'isinstance', 'issubclass',
+                'iter', 'len', 'list', 'locals', 'map', 'max', 'memoryview',
+                'min', 'next', 'object', 'oct', 'open', 'ord', 'pow', 'print',
+                'property', 'range', 'repr', 'reversed', 'round', 'set', 'setattr',
+                'slice', 'sorted', 'staticmethod', 'str', 'sum', 'super', 'tuple',
+                'type', 'vars', 'zip'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Builtin),
+            (r'(?<!\.)(self|Ellipsis|NotImplemented|cls)\b', Name.Builtin.Pseudo),
+            (words((
+                'ArithmeticError', 'AssertionError', 'AttributeError',
+                'BaseException', 'BufferError', 'BytesWarning', 'DeprecationWarning',
+                'EOFError', 'EnvironmentError', 'Exception', 'FloatingPointError',
+                'FutureWarning', 'GeneratorExit', 'IOError', 'ImportError',
+                'ImportWarning', 'IndentationError', 'IndexError', 'KeyError',
+                'KeyboardInterrupt', 'LookupError', 'MemoryError', 'NameError',
+                'NotImplementedError', 'OSError', 'OverflowError',
+                'PendingDeprecationWarning', 'ReferenceError', 'ResourceWarning',
+                'RuntimeError', 'RuntimeWarning', 'StopIteration',
+                'SyntaxError', 'SyntaxWarning', 'SystemError', 'SystemExit',
+                'TabError', 'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
+                'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
+                'UnicodeWarning', 'UserWarning', 'ValueError', 'VMSError',
+                'Warning', 'WindowsError', 'ZeroDivisionError',
+                # new builtin exceptions from PEP 3151
+                'BlockingIOError', 'ChildProcessError', 'ConnectionError',
+                'BrokenPipeError', 'ConnectionAbortedError', 'ConnectionRefusedError',
+                'ConnectionResetError', 'FileExistsError', 'FileNotFoundError',
+                'InterruptedError', 'IsADirectoryError', 'NotADirectoryError',
+                'PermissionError', 'ProcessLookupError', 'TimeoutError',
+                # others new in Python 3
+                'StopAsyncIteration', 'ModuleNotFoundError', 'RecursionError'),
+                prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Exception),
+        ],
+        'magicfuncs': [
+            (words((
+                '__abs__', '__add__', '__aenter__', '__aexit__', '__aiter__',
+                '__and__', '__anext__', '__await__', '__bool__', '__bytes__',
+                '__call__', '__complex__', '__contains__', '__del__', '__delattr__',
+                '__delete__', '__delitem__', '__dir__', '__divmod__', '__enter__',
+                '__eq__', '__exit__', '__float__', '__floordiv__', '__format__',
+                '__ge__', '__get__', '__getattr__', '__getattribute__',
+                '__getitem__', '__gt__', '__hash__', '__iadd__', '__iand__',
+                '__ifloordiv__', '__ilshift__', '__imatmul__', '__imod__',
+                '__imul__', '__index__', '__init__', '__instancecheck__',
+                '__int__', '__invert__', '__ior__', '__ipow__', '__irshift__',
+                '__isub__', '__iter__', '__itruediv__', '__ixor__', '__le__',
+                '__len__', '__length_hint__', '__lshift__', '__lt__', '__matmul__',
+                '__missing__', '__mod__', '__mul__', '__ne__', '__neg__',
+                '__new__', '__next__', '__or__', '__pos__', '__pow__',
+                '__prepare__', '__radd__', '__rand__', '__rdivmod__', '__repr__',
+                '__reversed__', '__rfloordiv__', '__rlshift__', '__rmatmul__',
+                '__rmod__', '__rmul__', '__ror__', '__round__', '__rpow__',
+                '__rrshift__', '__rshift__', '__rsub__', '__rtruediv__',
+                '__rxor__', '__set__', '__setattr__', '__setitem__', '__str__',
+                '__sub__', '__subclasscheck__', '__truediv__',
+                '__xor__'), suffix=r'\b'),
+             Name.Function.Magic),
+        ],
+        'magicvars': [
+            (words((
+                '__annotations__', '__bases__', '__class__', '__closure__',
+                '__code__', '__defaults__', '__dict__', '__doc__', '__file__',
+                '__func__', '__globals__', '__kwdefaults__', '__module__',
+                '__mro__', '__name__', '__objclass__', '__qualname__',
+                '__self__', '__slots__', '__weakref__'), suffix=r'\b'),
+             Name.Variable.Magic),
+        ],
+        'numbers': [
+            (r'(\d(?:_?\d)*\.(?:\d(?:_?\d)*)?|(?:\d(?:_?\d)*)?\.\d(?:_?\d)*)'
+             r'([eE][+-]?\d(?:_?\d)*)?', Number.Float),
+            (r'\d(?:_?\d)*[eE][+-]?\d(?:_?\d)*j?', Number.Float),
+            (r'0[oO](?:_?[0-7])+', Number.Oct),
+            (r'0[bB](?:_?[01])+', Number.Bin),
+            (r'0[xX](?:_?[a-fA-F0-9])+', Number.Hex),
+            (r'\d(?:_?\d)*', Number.Integer),
+        ],
+        'name': [
+            (r'@' + uni_name, Name.Decorator),
+            (r'@', Operator),  # new matrix multiplication operator
+            (uni_name, Name),
+        ],
+        'funcname': [
+            include('magicfuncs'),
+            (uni_name, Name.Function, '#pop'),
+            default('#pop'),
+        ],
+        'classname': [
+            (uni_name, Name.Class, '#pop'),
+        ],
+        'import': [
+            (r'(\s+)(as)(\s+)', bygroups(Text, Keyword, Text)),
+            (r'\.', Name.Namespace),
+            (uni_name, Name.Namespace),
+            (r'(\s*)(,)(\s*)', bygroups(Text, Operator, Text)),
+            default('#pop')  # all else: go back
+        ],
+        'fromimport': [
+            (r'(\s+)(import)\b', bygroups(Text, Keyword.Namespace), '#pop'),
+            (r'\.', Name.Namespace),
+            # if None occurs here, it's "raise x from None", since None can
+            # never be a module name
+            (r'None\b', Name.Builtin.Pseudo, '#pop'),
+            (uni_name, Name.Namespace),
+            default('#pop'),
+        ],
+        'rfstringescape': [
+            (r'\{\{', String.Escape),
+            (r'\}\}', String.Escape),
+        ],
+        'fstringescape': [
+            include('rfstringescape'),
+            include('stringescape'),
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'fstrings-single': fstring_rules(String.Single),
+        'fstrings-double': fstring_rules(String.Double),
+        'strings-single': innerstring_rules(String.Single),
+        'strings-double': innerstring_rules(String.Double),
+        'dqf': [
+            (r'"', String.Double, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here for raw strings
+            include('fstrings-double')
+        ],
+        'sqf': [
+            (r"'", String.Single, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here for raw strings
+            include('fstrings-single')
+        ],
+        'dqs': [
+            (r'"', String.Double, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here for raw strings
+            include('strings-double')
+        ],
+        'sqs': [
+            (r"'", String.Single, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here for raw strings
+            include('strings-single')
+        ],
+        'tdqf': [
+            (r'"""', String.Double, '#pop'),
+            include('fstrings-double'),
+            (r'\n', String.Double)
+        ],
+        'tsqf': [
+            (r"'''", String.Single, '#pop'),
+            include('fstrings-single'),
+            (r'\n', String.Single)
+        ],
+        'tdqs': [
+            (r'"""', String.Double, '#pop'),
+            include('strings-double'),
+            (r'\n', String.Double)
+        ],
+        'tsqs': [
+            (r"'''", String.Single, '#pop'),
+            include('strings-single'),
+            (r'\n', String.Single)
+        ],
+    }
+
+    def analyse_text(text):
+        return shebang_matches(text, r'pythonw?(3(\.\d)?)?') or \
+            'import ' in text[:1000]
+
+
+Python3Lexer = PythonLexer
+
+
+class Python2Lexer(RegexLexer):
+    """
+    For `Python 2.x <http://www.python.org>`_ source code.
+
+    .. versionchanged:: 2.5
+       This class has been renamed from ``PythonLexer``.  ``PythonLexer`` now
+       refers to the Python 3 variant.  File name patterns like ``*.py`` have
+       been moved to Python 3 as well.
+    """
+
+    name = 'Python 2.x'
+    aliases = ['python2', 'py2']
+    filenames = []  # now taken over by PythonLexer (3.x)
+    mimetypes = ['text/x-python2', 'application/x-python2']
+
+    def innerstring_rules(ttype):
+        return [
+            # the old style '%s' % (...) string formatting
+            (r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsux%]', String.Interpol),
+            # backslashes, quotes and formatting signs must be parsed one at a time
+            (r'[^\\\'"%\n]+', ttype),
+            (r'[\'"\\]', ttype),
+            # unhandled string formatting sign
+            (r'%', ttype),
+            # newlines are an error (use "nl" state)
+        ]
+
+    tokens = {
+        'root': [
+            (r'\n', Text),
+            (r'^(\s*)([rRuUbB]{,2})("""(?:.|\n)*?""")',
+             bygroups(Text, String.Affix, String.Doc)),
+            (r"^(\s*)([rRuUbB]{,2})('''(?:.|\n)*?''')",
+             bygroups(Text, String.Affix, String.Doc)),
+            (r'[^\S\n]+', Text),
+            (r'\A#!.+$', Comment.Hashbang),
+            (r'#.*$', Comment.Single),
+            (r'[]{}:(),;[]', Punctuation),
+            (r'\\\n', Text),
+            (r'\\', Text),
+            (r'(in|is|and|or|not)\b', Operator.Word),
+            (r'!=|==|<<|>>|[-~+/*%=<>&^|.]', Operator),
+            include('keywords'),
+            (r'(def)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'funcname'),
+            (r'(class)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'classname'),
+            (r'(from)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'fromimport'),
+            (r'(import)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'import'),
+            include('builtins'),
+            include('magicfuncs'),
+            include('magicvars'),
+            include('backtick'),
+            ('([rR]|[uUbB][rR]|[rR][uUbB])(""")',
+             bygroups(String.Affix, String.Double), 'tdqs'),
+            ("([rR]|[uUbB][rR]|[rR][uUbB])(''')",
+             bygroups(String.Affix, String.Single), 'tsqs'),
+            ('([rR]|[uUbB][rR]|[rR][uUbB])(")',
+             bygroups(String.Affix, String.Double), 'dqs'),
+            ("([rR]|[uUbB][rR]|[rR][uUbB])(')",
+             bygroups(String.Affix, String.Single), 'sqs'),
+            ('([uUbB]?)(""")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'tdqs')),
+            ("([uUbB]?)(''')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'tsqs')),
+            ('([uUbB]?)(")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'dqs')),
+            ("([uUbB]?)(')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'sqs')),
+            include('name'),
+            include('numbers'),
+        ],
+        'keywords': [
+            (words((
+                'assert', 'break', 'continue', 'del', 'elif', 'else', 'except',
+                'exec', 'finally', 'for', 'global', 'if', 'lambda', 'pass',
+                'print', 'raise', 'return', 'try', 'while', 'yield',
+                'yield from', 'as', 'with'), suffix=r'\b'),
+             Keyword),
+        ],
+        'builtins': [
+            (words((
+                '__import__', 'abs', 'all', 'any', 'apply', 'basestring', 'bin',
+                'bool', 'buffer', 'bytearray', 'bytes', 'callable', 'chr', 'classmethod',
+                'cmp', 'coerce', 'compile', 'complex', 'delattr', 'dict', 'dir', 'divmod',
+                'enumerate', 'eval', 'execfile', 'exit', 'file', 'filter', 'float',
+                'frozenset', 'getattr', 'globals', 'hasattr', 'hash', 'hex', 'id',
+                'input', 'int', 'intern', 'isinstance', 'issubclass', 'iter', 'len',
+                'list', 'locals', 'long', 'map', 'max', 'min', 'next', 'object',
+                'oct', 'open', 'ord', 'pow', 'property', 'range', 'raw_input', 'reduce',
+                'reload', 'repr', 'reversed', 'round', 'set', 'setattr', 'slice',
+                'sorted', 'staticmethod', 'str', 'sum', 'super', 'tuple', 'type',
+                'unichr', 'unicode', 'vars', 'xrange', 'zip'),
+                prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Builtin),
+            (r'(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|cls'
+             r')\b', Name.Builtin.Pseudo),
+            (words((
+                'ArithmeticError', 'AssertionError', 'AttributeError',
+                'BaseException', 'DeprecationWarning', 'EOFError', 'EnvironmentError',
+                'Exception', 'FloatingPointError', 'FutureWarning', 'GeneratorExit',
+                'IOError', 'ImportError', 'ImportWarning', 'IndentationError',
+                'IndexError', 'KeyError', 'KeyboardInterrupt', 'LookupError',
+                'MemoryError', 'NameError',
+                'NotImplementedError', 'OSError', 'OverflowError', 'OverflowWarning',
+                'PendingDeprecationWarning', 'ReferenceError',
+                'RuntimeError', 'RuntimeWarning', 'StandardError', 'StopIteration',
+                'SyntaxError', 'SyntaxWarning', 'SystemError', 'SystemExit',
+                'TabError', 'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
+                'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
+                'UnicodeWarning', 'UserWarning', 'ValueError', 'VMSError', 'Warning',
+                'WindowsError', 'ZeroDivisionError'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Exception),
+        ],
+        'magicfuncs': [
+            (words((
+                '__abs__', '__add__', '__and__', '__call__', '__cmp__', '__coerce__',
+                '__complex__', '__contains__', '__del__', '__delattr__', '__delete__',
+                '__delitem__', '__delslice__', '__div__', '__divmod__', '__enter__',
+                '__eq__', '__exit__', '__float__', '__floordiv__', '__ge__', '__get__',
+                '__getattr__', '__getattribute__', '__getitem__', '__getslice__', '__gt__',
+                '__hash__', '__hex__', '__iadd__', '__iand__', '__idiv__', '__ifloordiv__',
+                '__ilshift__', '__imod__', '__imul__', '__index__', '__init__',
+                '__instancecheck__', '__int__', '__invert__', '__iop__', '__ior__',
+                '__ipow__', '__irshift__', '__isub__', '__iter__', '__itruediv__',
+                '__ixor__', '__le__', '__len__', '__long__', '__lshift__', '__lt__',
+                '__missing__', '__mod__', '__mul__', '__ne__', '__neg__', '__new__',
+                '__nonzero__', '__oct__', '__op__', '__or__', '__pos__', '__pow__',
+                '__radd__', '__rand__', '__rcmp__', '__rdiv__', '__rdivmod__', '__repr__',
+                '__reversed__', '__rfloordiv__', '__rlshift__', '__rmod__', '__rmul__',
+                '__rop__', '__ror__', '__rpow__', '__rrshift__', '__rshift__', '__rsub__',
+                '__rtruediv__', '__rxor__', '__set__', '__setattr__', '__setitem__',
+                '__setslice__', '__str__', '__sub__', '__subclasscheck__', '__truediv__',
+                '__unicode__', '__xor__'), suffix=r'\b'),
+             Name.Function.Magic),
+        ],
+        'magicvars': [
+            (words((
+                '__bases__', '__class__', '__closure__', '__code__', '__defaults__',
+                '__dict__', '__doc__', '__file__', '__func__', '__globals__',
+                '__metaclass__', '__module__', '__mro__', '__name__', '__self__',
+                '__slots__', '__weakref__'),
+                suffix=r'\b'),
+             Name.Variable.Magic),
+        ],
+        'numbers': [
+            (r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?j?', Number.Float),
+            (r'\d+[eE][+-]?[0-9]+j?', Number.Float),
+            (r'0[0-7]+j?', Number.Oct),
+            (r'0[bB][01]+', Number.Bin),
+            (r'0[xX][a-fA-F0-9]+', Number.Hex),
+            (r'\d+L', Number.Integer.Long),
+            (r'\d+j?', Number.Integer)
+        ],
+        'backtick': [
+            ('`.*?`', String.Backtick),
+        ],
+        'name': [
+            (r'@[\w.]+', Name.Decorator),
+            (r'[a-zA-Z_]\w*', Name),
+        ],
+        'funcname': [
+            include('magicfuncs'),
+            (r'[a-zA-Z_]\w*', Name.Function, '#pop'),
+            default('#pop'),
+        ],
+        'classname': [
+            (r'[a-zA-Z_]\w*', Name.Class, '#pop')
+        ],
+        'import': [
+            (r'(?:[ \t]|\\\n)+', Text),
+            (r'as\b', Keyword.Namespace),
+            (r',', Operator),
+            (r'[a-zA-Z_][\w.]*', Name.Namespace),
+            default('#pop')  # all else: go back
+        ],
+        'fromimport': [
+            (r'(?:[ \t]|\\\n)+', Text),
+            (r'import\b', Keyword.Namespace, '#pop'),
+            # if None occurs here, it's "raise x from None", since None can
+            # never be a module name
+            (r'None\b', Name.Builtin.Pseudo, '#pop'),
+            # sadly, in "raise x from y" y will be highlighted as namespace too
+            (r'[a-zA-Z_.][\w.]*', Name.Namespace),
+            # anything else here also means "raise x from y" and is therefore
+            # not an error
+            default('#pop'),
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'strings-single': innerstring_rules(String.Single),
+        'strings-double': innerstring_rules(String.Double),
+        'dqs': [
+            (r'"', String.Double, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here for raw strings
+            include('strings-double')
+        ],
+        'sqs': [
+            (r"'", String.Single, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here for raw strings
+            include('strings-single')
+        ],
+        'tdqs': [
+            (r'"""', String.Double, '#pop'),
+            include('strings-double'),
+            (r'\n', String.Double)
+        ],
+        'tsqs': [
+            (r"'''", String.Single, '#pop'),
+            include('strings-single'),
+            (r'\n', String.Single)
+        ],
+    }
+
+    def analyse_text(text):
+        return shebang_matches(text, r'pythonw?2(\.\d)?')
+
+
+class PythonConsoleLexer(Lexer):
+    """
+    For Python console output or doctests, such as:
+
+    .. sourcecode:: pycon
+
+        >>> a = 'foo'
+        >>> print a
+        foo
+        >>> 1 / 0
+        Traceback (most recent call last):
+          File "<stdin>", line 1, in <module>
+        ZeroDivisionError: integer division or modulo by zero
+
+    Additional options:
+
+    `python3`
+        Use Python 3 lexer for code.  Default is ``True``.
+
+        .. versionadded:: 1.0
+        .. versionchanged:: 2.5
+           Now defaults to ``True``.
+    """
+    name = 'Python console session'
+    aliases = ['pycon']
+    mimetypes = ['text/x-python-doctest']
+
+    def __init__(self, **options):
+        self.python3 = get_bool_opt(options, 'python3', True)
+        Lexer.__init__(self, **options)
+
+    def get_tokens_unprocessed(self, text):
+        if self.python3:
+            pylexer = PythonLexer(**self.options)
+            tblexer = PythonTracebackLexer(**self.options)
+        else:
+            pylexer = Python2Lexer(**self.options)
+            tblexer = Python2TracebackLexer(**self.options)
+
+        curcode = ''
+        insertions = []
+        curtb = ''
+        tbindex = 0
+        tb = 0
+        for match in line_re.finditer(text):
+            line = match.group()
+            if line.startswith('>>> ') or line.startswith('... '):
+                tb = 0
+                insertions.append((len(curcode),
+                                   [(0, Generic.Prompt, line[:4])]))
+                curcode += line[4:]
+            elif line.rstrip() == '...' and not tb:
+                # only a new >>> prompt can end an exception block
+                # otherwise an ellipsis in place of the traceback frames
+                # will be mishandled
+                insertions.append((len(curcode),
+                                   [(0, Generic.Prompt, '...')]))
+                curcode += line[3:]
+            else:
+                if curcode:
+                    yield from do_insertions(
+                        insertions, pylexer.get_tokens_unprocessed(curcode))
+                    curcode = ''
+                    insertions = []
+                if (line.startswith('Traceback (most recent call last):') or
+                        re.match('  File "[^"]+", line \\d+\\n$', line)):
+                    tb = 1
+                    curtb = line
+                    tbindex = match.start()
+                elif line == 'KeyboardInterrupt\n':
+                    yield match.start(), Name.Class, line
+                elif tb:
+                    curtb += line
+                    if not (line.startswith(' ') or line.strip() == '...'):
+                        tb = 0
+                        for i, t, v in tblexer.get_tokens_unprocessed(curtb):
+                            yield tbindex+i, t, v
+                        curtb = ''
+                else:
+                    yield match.start(), Generic.Output, line
+        if curcode:
+            yield from do_insertions(insertions,
+                                     pylexer.get_tokens_unprocessed(curcode))
+        if curtb:
+            for i, t, v in tblexer.get_tokens_unprocessed(curtb):
+                yield tbindex+i, t, v
+
+
+class PythonTracebackLexer(RegexLexer):
+    """
+    For Python 3.x tracebacks, with support for chained exceptions.
+
+    .. versionadded:: 1.0
+
+    .. versionchanged:: 2.5
+       This is now the default ``PythonTracebackLexer``.  It is still available
+       as the alias ``Python3TracebackLexer``.
+    """
+
+    name = 'Python Traceback'
+    aliases = ['pytb', 'py3tb']
+    filenames = ['*.pytb', '*.py3tb']
+    mimetypes = ['text/x-python-traceback', 'text/x-python3-traceback']
+
+    tokens = {
+        'root': [
+            (r'\n', Text),
+            (r'^Traceback \(most recent call last\):\n', Generic.Traceback, 'intb'),
+            (r'^During handling of the above exception, another '
+             r'exception occurred:\n\n', Generic.Traceback),
+            (r'^The above exception was the direct cause of the '
+             r'following exception:\n\n', Generic.Traceback),
+            (r'^(?=  File "[^"]+", line \d+)', Generic.Traceback, 'intb'),
+            (r'^.*\n', Other),
+        ],
+        'intb': [
+            (r'^(  File )("[^"]+")(, line )(\d+)(, in )(.+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Text, Name, Text)),
+            (r'^(  File )("[^"]+")(, line )(\d+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Text)),
+            (r'^(    )(.+)(\n)',
+             bygroups(Text, using(PythonLexer), Text), 'markers'),
+            (r'^([ \t]*)(\.\.\.)(\n)',
+             bygroups(Text, Comment, Text)),  # for doctests...
+            (r'^([^:]+)(: )(.+)(\n)',
+             bygroups(Generic.Error, Text, Name, Text), '#pop'),
+            (r'^([a-zA-Z_][\w.]*)(:?\n)',
+             bygroups(Generic.Error, Text), '#pop')
+        ],
+        'markers': [
+            # Either `PEP 657 <https://www.python.org/dev/peps/pep-0657/>`
+            # error locations in Python 3.11+, or single-caret markers
+            # for syntax errors before that.
+            (r'^( {4,})([~^]+)(\n)',
+             bygroups(Text, Punctuation.Marker, Text),
+             '#pop'),
+            default('#pop'),
+        ],
+    }
+
+
+Python3TracebackLexer = PythonTracebackLexer
+
+
+class Python2TracebackLexer(RegexLexer):
+    """
+    For Python tracebacks.
+
+    .. versionadded:: 0.7
+
+    .. versionchanged:: 2.5
+       This class has been renamed from ``PythonTracebackLexer``.
+       ``PythonTracebackLexer`` now refers to the Python 3 variant.
+    """
+
+    name = 'Python 2.x Traceback'
+    aliases = ['py2tb']
+    filenames = ['*.py2tb']
+    mimetypes = ['text/x-python2-traceback']
+
+    tokens = {
+        'root': [
+            # Cover both (most recent call last) and (innermost last)
+            # The optional ^C allows us to catch keyboard interrupt signals.
+            (r'^(\^C)?(Traceback.*\n)',
+             bygroups(Text, Generic.Traceback), 'intb'),
+            # SyntaxError starts with this.
+            (r'^(?=  File "[^"]+", line \d+)', Generic.Traceback, 'intb'),
+            (r'^.*\n', Other),
+        ],
+        'intb': [
+            (r'^(  File )("[^"]+")(, line )(\d+)(, in )(.+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Text, Name, Text)),
+            (r'^(  File )("[^"]+")(, line )(\d+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Text)),
+            (r'^(    )(.+)(\n)',
+             bygroups(Text, using(Python2Lexer), Text), 'marker'),
+            (r'^([ \t]*)(\.\.\.)(\n)',
+             bygroups(Text, Comment, Text)),  # for doctests...
+            (r'^([^:]+)(: )(.+)(\n)',
+             bygroups(Generic.Error, Text, Name, Text), '#pop'),
+            (r'^([a-zA-Z_]\w*)(:?\n)',
+             bygroups(Generic.Error, Text), '#pop')
+        ],
+        'marker': [
+            # For syntax errors.
+            (r'( {4,})(\^)', bygroups(Text, Punctuation.Marker), '#pop'),
+            default('#pop'),
+        ],
+    }
+
+
+class CythonLexer(RegexLexer):
+    """
+    For Pyrex and `Cython <http://cython.org>`_ source code.
+
+    .. versionadded:: 1.1
+    """
+
+    name = 'Cython'
+    aliases = ['cython', 'pyx', 'pyrex']
+    filenames = ['*.pyx', '*.pxd', '*.pxi']
+    mimetypes = ['text/x-cython', 'application/x-cython']
+
+    tokens = {
+        'root': [
+            (r'\n', Text),
+            (r'^(\s*)("""(?:.|\n)*?""")', bygroups(Text, String.Doc)),
+            (r"^(\s*)('''(?:.|\n)*?''')", bygroups(Text, String.Doc)),
+            (r'[^\S\n]+', Text),
+            (r'#.*$', Comment),
+            (r'[]{}:(),;[]', Punctuation),
+            (r'\\\n', Text),
+            (r'\\', Text),
+            (r'(in|is|and|or|not)\b', Operator.Word),
+            (r'(<)([a-zA-Z0-9.?]+)(>)',
+             bygroups(Punctuation, Keyword.Type, Punctuation)),
+            (r'!=|==|<<|>>|[-~+/*%=<>&^|.?]', Operator),
+            (r'(from)(\d+)(<=)(\s+)(<)(\d+)(:)',
+             bygroups(Keyword, Number.Integer, Operator, Name, Operator,
+                      Name, Punctuation)),
+            include('keywords'),
+            (r'(def|property)(\s+)', bygroups(Keyword, Text), 'funcname'),
+            (r'(cp?def)(\s+)', bygroups(Keyword, Text), 'cdef'),
+            # (should actually start a block with only cdefs)
+            (r'(cdef)(:)', bygroups(Keyword, Punctuation)),
+            (r'(class|struct)(\s+)', bygroups(Keyword, Text), 'classname'),
+            (r'(from)(\s+)', bygroups(Keyword, Text), 'fromimport'),
+            (r'(c?import)(\s+)', bygroups(Keyword, Text), 'import'),
+            include('builtins'),
+            include('backtick'),
+            ('(?:[rR]|[uU][rR]|[rR][uU])"""', String, 'tdqs'),
+            ("(?:[rR]|[uU][rR]|[rR][uU])'''", String, 'tsqs'),
+            ('(?:[rR]|[uU][rR]|[rR][uU])"', String, 'dqs'),
+            ("(?:[rR]|[uU][rR]|[rR][uU])'", String, 'sqs'),
+            ('[uU]?"""', String, combined('stringescape', 'tdqs')),
+            ("[uU]?'''", String, combined('stringescape', 'tsqs')),
+            ('[uU]?"', String, combined('stringescape', 'dqs')),
+            ("[uU]?'", String, combined('stringescape', 'sqs')),
+            include('name'),
+            include('numbers'),
+        ],
+        'keywords': [
+            (words((
+                'assert', 'async', 'await', 'break', 'by', 'continue', 'ctypedef', 'del', 'elif',
+                'else', 'except', 'except?', 'exec', 'finally', 'for', 'fused', 'gil',
+                'global', 'if', 'include', 'lambda', 'nogil', 'pass', 'print',
+                'raise', 'return', 'try', 'while', 'yield', 'as', 'with'), suffix=r'\b'),
+             Keyword),
+            (r'(DEF|IF|ELIF|ELSE)\b', Comment.Preproc),
+        ],
+        'builtins': [
+            (words((
+                '__import__', 'abs', 'all', 'any', 'apply', 'basestring', 'bin', 'bint',
+                'bool', 'buffer', 'bytearray', 'bytes', 'callable', 'chr',
+                'classmethod', 'cmp', 'coerce', 'compile', 'complex', 'delattr',
+                'dict', 'dir', 'divmod', 'enumerate', 'eval', 'execfile', 'exit',
+                'file', 'filter', 'float', 'frozenset', 'getattr', 'globals',
+                'hasattr', 'hash', 'hex', 'id', 'input', 'int', 'intern', 'isinstance',
+                'issubclass', 'iter', 'len', 'list', 'locals', 'long', 'map', 'max',
+                'min', 'next', 'object', 'oct', 'open', 'ord', 'pow', 'property', 'Py_ssize_t',
+                'range', 'raw_input', 'reduce', 'reload', 'repr', 'reversed',
+                'round', 'set', 'setattr', 'slice', 'sorted', 'staticmethod',
+                'str', 'sum', 'super', 'tuple', 'type', 'unichr', 'unicode', 'unsigned',
+                'vars', 'xrange', 'zip'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Builtin),
+            (r'(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|NULL'
+             r')\b', Name.Builtin.Pseudo),
+            (words((
+                'ArithmeticError', 'AssertionError', 'AttributeError',
+                'BaseException', 'DeprecationWarning', 'EOFError', 'EnvironmentError',
+                'Exception', 'FloatingPointError', 'FutureWarning', 'GeneratorExit',
+                'IOError', 'ImportError', 'ImportWarning', 'IndentationError',
+                'IndexError', 'KeyError', 'KeyboardInterrupt', 'LookupError',
+                'MemoryError', 'NameError', 'NotImplemented', 'NotImplementedError',
+                'OSError', 'OverflowError', 'OverflowWarning',
+                'PendingDeprecationWarning', 'ReferenceError', 'RuntimeError',
+                'RuntimeWarning', 'StandardError', 'StopIteration', 'SyntaxError',
+                'SyntaxWarning', 'SystemError', 'SystemExit', 'TabError',
+                'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
+                'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
+                'UnicodeWarning', 'UserWarning', 'ValueError', 'Warning',
+                'ZeroDivisionError'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Exception),
+        ],
+        'numbers': [
+            (r'(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number.Float),
+            (r'0\d+', Number.Oct),
+            (r'0[xX][a-fA-F0-9]+', Number.Hex),
+            (r'\d+L', Number.Integer.Long),
+            (r'\d+', Number.Integer)
+        ],
+        'backtick': [
+            ('`.*?`', String.Backtick),
+        ],
+        'name': [
+            (r'@\w+', Name.Decorator),
+            (r'[a-zA-Z_]\w*', Name),
+        ],
+        'funcname': [
+            (r'[a-zA-Z_]\w*', Name.Function, '#pop')
+        ],
+        'cdef': [
+            (r'(public|readonly|extern|api|inline)\b', Keyword.Reserved),
+            (r'(struct|enum|union|class)\b', Keyword),
+            (r'([a-zA-Z_]\w*)(\s*)(?=[(:#=]|$)',
+             bygroups(Name.Function, Text), '#pop'),
+            (r'([a-zA-Z_]\w*)(\s*)(,)',
+             bygroups(Name.Function, Text, Punctuation)),
+            (r'from\b', Keyword, '#pop'),
+            (r'as\b', Keyword),
+            (r':', Punctuation, '#pop'),
+            (r'(?=["\'])', Text, '#pop'),
+            (r'[a-zA-Z_]\w*', Keyword.Type),
+            (r'.', Text),
+        ],
+        'classname': [
+            (r'[a-zA-Z_]\w*', Name.Class, '#pop')
+        ],
+        'import': [
+            (r'(\s+)(as)(\s+)', bygroups(Text, Keyword, Text)),
+            (r'[a-zA-Z_][\w.]*', Name.Namespace),
+            (r'(\s*)(,)(\s*)', bygroups(Text, Operator, Text)),
+            default('#pop')  # all else: go back
+        ],
+        'fromimport': [
+            (r'(\s+)(c?import)\b', bygroups(Text, Keyword), '#pop'),
+            (r'[a-zA-Z_.][\w.]*', Name.Namespace),
+            # ``cdef foo from "header"``, or ``for foo from 0 < i < 10``
+            default('#pop'),
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'strings': [
+            (r'%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsux%]', String.Interpol),
+            (r'[^\\\'"%\n]+', String),
+            # quotes, percents and backslashes must be parsed one at a time
+            (r'[\'"\\]', String),
+            # unhandled string formatting sign
+            (r'%', String)
+            # newlines are an error (use "nl" state)
+        ],
+        'nl': [
+            (r'\n', String)
+        ],
+        'dqs': [
+            (r'"', String, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here again for raw strings
+            include('strings')
+        ],
+        'sqs': [
+            (r"'", String, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here again for raw strings
+            include('strings')
+        ],
+        'tdqs': [
+            (r'"""', String, '#pop'),
+            include('strings'),
+            include('nl')
+        ],
+        'tsqs': [
+            (r"'''", String, '#pop'),
+            include('strings'),
+            include('nl')
+        ],
+    }
+
+
+class DgLexer(RegexLexer):
+    """
+    Lexer for `dg <http://pyos.github.com/dg>`_,
+    a functional and object-oriented programming language
+    running on the CPython 3 VM.
+
+    .. versionadded:: 1.6
+    """
+    name = 'dg'
+    aliases = ['dg']
+    filenames = ['*.dg']
+    mimetypes = ['text/x-dg']
+
+    tokens = {
+        'root': [
+            (r'\s+', Text),
+            (r'#.*?$', Comment.Single),
+
+            (r'(?i)0b[01]+', Number.Bin),
+            (r'(?i)0o[0-7]+', Number.Oct),
+            (r'(?i)0x[0-9a-f]+', Number.Hex),
+            (r'(?i)[+-]?[0-9]+\.[0-9]+(e[+-]?[0-9]+)?j?', Number.Float),
+            (r'(?i)[+-]?[0-9]+e[+-]?\d+j?', Number.Float),
+            (r'(?i)[+-]?[0-9]+j?', Number.Integer),
+
+            (r"(?i)(br|r?b?)'''", String, combined('stringescape', 'tsqs', 'string')),
+            (r'(?i)(br|r?b?)"""', String, combined('stringescape', 'tdqs', 'string')),
+            (r"(?i)(br|r?b?)'", String, combined('stringescape', 'sqs', 'string')),
+            (r'(?i)(br|r?b?)"', String, combined('stringescape', 'dqs', 'string')),
+
+            (r"`\w+'*`", Operator),
+            (r'\b(and|in|is|or|where)\b', Operator.Word),
+            (r'[!$%&*+\-./:<-@\\^|~;,]+', Operator),
+
+            (words((
+                'bool', 'bytearray', 'bytes', 'classmethod', 'complex', 'dict', 'dict\'',
+                'float', 'frozenset', 'int', 'list', 'list\'', 'memoryview', 'object',
+                'property', 'range', 'set', 'set\'', 'slice', 'staticmethod', 'str',
+                'super', 'tuple', 'tuple\'', 'type'),
+                   prefix=r'(?<!\.)', suffix=r'(?![\'\w])'),
+             Name.Builtin),
+            (words((
+                '__import__', 'abs', 'all', 'any', 'bin', 'bind', 'chr', 'cmp', 'compile',
+                'complex', 'delattr', 'dir', 'divmod', 'drop', 'dropwhile', 'enumerate',
+                'eval', 'exhaust', 'filter', 'flip', 'foldl1?', 'format', 'fst',
+                'getattr', 'globals', 'hasattr', 'hash', 'head', 'hex', 'id', 'init',
+                'input', 'isinstance', 'issubclass', 'iter', 'iterate', 'last', 'len',
+                'locals', 'map', 'max', 'min', 'next', 'oct', 'open', 'ord', 'pow',
+                'print', 'repr', 'reversed', 'round', 'setattr', 'scanl1?', 'snd',
+                'sorted', 'sum', 'tail', 'take', 'takewhile', 'vars', 'zip'),
+                   prefix=r'(?<!\.)', suffix=r'(?![\'\w])'),
+             Name.Builtin),
+            (r"(?<!\.)(self|Ellipsis|NotImplemented|None|True|False)(?!['\w])",
+             Name.Builtin.Pseudo),
+
+            (r"(?<!\.)[A-Z]\w*(Error|Exception|Warning)'*(?!['\w])",
+             Name.Exception),
+            (r"(?<!\.)(Exception|GeneratorExit|KeyboardInterrupt|StopIteration|"
+             r"SystemExit)(?!['\w])", Name.Exception),
+
+            (r"(?<![\w.])(except|finally|for|if|import|not|otherwise|raise|"
+             r"subclass|while|with|yield)(?!['\w])", Keyword.Reserved),
+
+            (r"[A-Z_]+'*(?!['\w])", Name),
+            (r"[A-Z]\w+'*(?!['\w])", Keyword.Type),
+            (r"\w+'*", Name),
+
+            (r'[()]', Punctuation),
+            (r'.', Error),
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'string': [
+            (r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsux%]', String.Interpol),
+            (r'[^\\\'"%\n]+', String),
+            # quotes, percents and backslashes must be parsed one at a time
+            (r'[\'"\\]', String),
+            # unhandled string formatting sign
+            (r'%', String),
+            (r'\n', String)
+        ],
+        'dqs': [
+            (r'"', String, '#pop')
+        ],
+        'sqs': [
+            (r"'", String, '#pop')
+        ],
+        'tdqs': [
+            (r'"""', String, '#pop')
+        ],
+        'tsqs': [
+            (r"'''", String, '#pop')
+        ],
+    }
+
+
+class NumPyLexer(PythonLexer):
+    """
+    A Python lexer recognizing Numerical Python builtins.
+
+    .. versionadded:: 0.10
+    """
+
+    name = 'NumPy'
+    aliases = ['numpy']
+
+    # override the mimetypes to not inherit them from python
+    mimetypes = []
+    filenames = []
+
+    EXTRA_KEYWORDS = {
+        'abs', 'absolute', 'accumulate', 'add', 'alen', 'all', 'allclose',
+        'alltrue', 'alterdot', 'amax', 'amin', 'angle', 'any', 'append',
+        'apply_along_axis', 'apply_over_axes', 'arange', 'arccos', 'arccosh',
+        'arcsin', 'arcsinh', 'arctan', 'arctan2', 'arctanh', 'argmax', 'argmin',
+        'argsort', 'argwhere', 'around', 'array', 'array2string', 'array_equal',
+        'array_equiv', 'array_repr', 'array_split', 'array_str', 'arrayrange',
+        'asanyarray', 'asarray', 'asarray_chkfinite', 'ascontiguousarray',
+        'asfarray', 'asfortranarray', 'asmatrix', 'asscalar', 'astype',
+        'atleast_1d', 'atleast_2d', 'atleast_3d', 'average', 'bartlett',
+        'base_repr', 'beta', 'binary_repr', 'bincount', 'binomial',
+        'bitwise_and', 'bitwise_not', 'bitwise_or', 'bitwise_xor', 'blackman',
+        'bmat', 'broadcast', 'byte_bounds', 'bytes', 'byteswap', 'c_',
+        'can_cast', 'ceil', 'choose', 'clip', 'column_stack', 'common_type',
+        'compare_chararrays', 'compress', 'concatenate', 'conj', 'conjugate',
+        'convolve', 'copy', 'corrcoef', 'correlate', 'cos', 'cosh', 'cov',
+        'cross', 'cumprod', 'cumproduct', 'cumsum', 'delete', 'deprecate',
+        'diag', 'diagflat', 'diagonal', 'diff', 'digitize', 'disp', 'divide',
+        'dot', 'dsplit', 'dstack', 'dtype', 'dump', 'dumps', 'ediff1d', 'empty',
+        'empty_like', 'equal', 'exp', 'expand_dims', 'expm1', 'extract', 'eye',
+        'fabs', 'fastCopyAndTranspose', 'fft', 'fftfreq', 'fftshift', 'fill',
+        'finfo', 'fix', 'flat', 'flatnonzero', 'flatten', 'fliplr', 'flipud',
+        'floor', 'floor_divide', 'fmod', 'frexp', 'fromarrays', 'frombuffer',
+        'fromfile', 'fromfunction', 'fromiter', 'frompyfunc', 'fromstring',
+        'generic', 'get_array_wrap', 'get_include', 'get_numarray_include',
+        'get_numpy_include', 'get_printoptions', 'getbuffer', 'getbufsize',
+        'geterr', 'geterrcall', 'geterrobj', 'getfield', 'gradient', 'greater',
+        'greater_equal', 'gumbel', 'hamming', 'hanning', 'histogram',
+        'histogram2d', 'histogramdd', 'hsplit', 'hstack', 'hypot', 'i0',
+        'identity', 'ifft', 'imag', 'index_exp', 'indices', 'inf', 'info',
+        'inner', 'insert', 'int_asbuffer', 'interp', 'intersect1d',
+        'intersect1d_nu', 'inv', 'invert', 'iscomplex', 'iscomplexobj',
+        'isfinite', 'isfortran', 'isinf', 'isnan', 'isneginf', 'isposinf',
+        'isreal', 'isrealobj', 'isscalar', 'issctype', 'issubclass_',
+        'issubdtype', 'issubsctype', 'item', 'itemset', 'iterable', 'ix_',
+        'kaiser', 'kron', 'ldexp', 'left_shift', 'less', 'less_equal', 'lexsort',
+        'linspace', 'load', 'loads', 'loadtxt', 'log', 'log10', 'log1p', 'log2',
+        'logical_and', 'logical_not', 'logical_or', 'logical_xor', 'logspace',
+        'lstsq', 'mat', 'matrix', 'max', 'maximum', 'maximum_sctype',
+        'may_share_memory', 'mean', 'median', 'meshgrid', 'mgrid', 'min',
+        'minimum', 'mintypecode', 'mod', 'modf', 'msort', 'multiply', 'nan',
+        'nan_to_num', 'nanargmax', 'nanargmin', 'nanmax', 'nanmin', 'nansum',
+        'ndenumerate', 'ndim', 'ndindex', 'negative', 'newaxis', 'newbuffer',
+        'newbyteorder', 'nonzero', 'not_equal', 'obj2sctype', 'ogrid', 'ones',
+        'ones_like', 'outer', 'permutation', 'piecewise', 'pinv', 'pkgload',
+        'place', 'poisson', 'poly', 'poly1d', 'polyadd', 'polyder', 'polydiv',
+        'polyfit', 'polyint', 'polymul', 'polysub', 'polyval', 'power', 'prod',
+        'product', 'ptp', 'put', 'putmask', 'r_', 'randint', 'random_integers',
+        'random_sample', 'ranf', 'rank', 'ravel', 'real', 'real_if_close',
+        'recarray', 'reciprocal', 'reduce', 'remainder', 'repeat', 'require',
+        'reshape', 'resize', 'restoredot', 'right_shift', 'rint', 'roll',
+        'rollaxis', 'roots', 'rot90', 'round', 'round_', 'row_stack', 's_',
+        'sample', 'savetxt', 'sctype2char', 'searchsorted', 'seed', 'select',
+        'set_numeric_ops', 'set_printoptions', 'set_string_function',
+        'setbufsize', 'setdiff1d', 'seterr', 'seterrcall', 'seterrobj',
+        'setfield', 'setflags', 'setmember1d', 'setxor1d', 'shape',
+        'show_config', 'shuffle', 'sign', 'signbit', 'sin', 'sinc', 'sinh',
+        'size', 'slice', 'solve', 'sometrue', 'sort', 'sort_complex', 'source',
+        'split', 'sqrt', 'square', 'squeeze', 'standard_normal', 'std',
+        'subtract', 'sum', 'svd', 'swapaxes', 'take', 'tan', 'tanh', 'tensordot',
+        'test', 'tile', 'tofile', 'tolist', 'tostring', 'trace', 'transpose',
+        'trapz', 'tri', 'tril', 'trim_zeros', 'triu', 'true_divide', 'typeDict',
+        'typename', 'uniform', 'union1d', 'unique', 'unique1d', 'unravel_index',
+        'unwrap', 'vander', 'var', 'vdot', 'vectorize', 'view', 'vonmises',
+        'vsplit', 'vstack', 'weibull', 'where', 'who', 'zeros', 'zeros_like'
+    }
+
+    def get_tokens_unprocessed(self, text):
+        for index, token, value in \
+                PythonLexer.get_tokens_unprocessed(self, text):
+            if token is Name and value in self.EXTRA_KEYWORDS:
+                yield index, Keyword.Pseudo, value
+            else:
+                yield index, token, value
+
+    def analyse_text(text):
+        ltext = text[:1000]
+        return (shebang_matches(text, r'pythonw?(3(\.\d)?)?') or
+                'import ' in ltext) \
+            and ('import numpy' in ltext or 'from numpy import' in ltext)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/styles/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/styles/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e437d170ed78a453d72cadba14f3aae57ed92351
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/styles/__init__.py
@@ -0,0 +1,93 @@
+"""
+    pygments.styles
+    ~~~~~~~~~~~~~~~
+
+    Contains built-in styles.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.plugin import find_plugin_styles
+from pip._vendor.pygments.util import ClassNotFound
+
+
+#: Maps style names to 'submodule::classname'.
+STYLE_MAP = {
+    'default':  'default::DefaultStyle',
+    'emacs':    'emacs::EmacsStyle',
+    'friendly': 'friendly::FriendlyStyle',
+    'friendly_grayscale': 'friendly_grayscale::FriendlyGrayscaleStyle',
+    'colorful': 'colorful::ColorfulStyle',
+    'autumn':   'autumn::AutumnStyle',
+    'murphy':   'murphy::MurphyStyle',
+    'manni':    'manni::ManniStyle',
+    'material': 'material::MaterialStyle',
+    'monokai':  'monokai::MonokaiStyle',
+    'perldoc':  'perldoc::PerldocStyle',
+    'pastie':   'pastie::PastieStyle',
+    'borland':  'borland::BorlandStyle',
+    'trac':     'trac::TracStyle',
+    'native':   'native::NativeStyle',
+    'fruity':   'fruity::FruityStyle',
+    'bw':       'bw::BlackWhiteStyle',
+    'vim':      'vim::VimStyle',
+    'vs':       'vs::VisualStudioStyle',
+    'tango':    'tango::TangoStyle',
+    'rrt':      'rrt::RrtStyle',
+    'xcode':    'xcode::XcodeStyle',
+    'igor':     'igor::IgorStyle',
+    'paraiso-light': 'paraiso_light::ParaisoLightStyle',
+    'paraiso-dark': 'paraiso_dark::ParaisoDarkStyle',
+    'lovelace': 'lovelace::LovelaceStyle',
+    'algol':    'algol::AlgolStyle',
+    'algol_nu': 'algol_nu::Algol_NuStyle',
+    'arduino':  'arduino::ArduinoStyle',
+    'rainbow_dash': 'rainbow_dash::RainbowDashStyle',
+    'abap':     'abap::AbapStyle',
+    'solarized-dark': 'solarized::SolarizedDarkStyle',
+    'solarized-light': 'solarized::SolarizedLightStyle',
+    'sas':         'sas::SasStyle',
+    'stata':       'stata_light::StataLightStyle',
+    'stata-light': 'stata_light::StataLightStyle',
+    'stata-dark':  'stata_dark::StataDarkStyle',
+    'inkpot':      'inkpot::InkPotStyle',
+    'zenburn': 'zenburn::ZenburnStyle',
+    'gruvbox-dark': 'gruvbox::GruvboxDarkStyle',
+    'gruvbox-light': 'gruvbox::GruvboxLightStyle',
+    'dracula': 'dracula::DraculaStyle',
+    'one-dark': 'onedark::OneDarkStyle',
+    'lilypond' : 'lilypond::LilyPondStyle',
+}
+
+
+def get_style_by_name(name):
+    if name in STYLE_MAP:
+        mod, cls = STYLE_MAP[name].split('::')
+        builtin = "yes"
+    else:
+        for found_name, style in find_plugin_styles():
+            if name == found_name:
+                return style
+        # perhaps it got dropped into our styles package
+        builtin = ""
+        mod = name
+        cls = name.title() + "Style"
+
+    try:
+        mod = __import__('pygments.styles.' + mod, None, None, [cls])
+    except ImportError:
+        raise ClassNotFound("Could not find style module %r" % mod +
+                         (builtin and ", though it should be builtin") + ".")
+    try:
+        return getattr(mod, cls)
+    except AttributeError:
+        raise ClassNotFound("Could not find style class %r in style module." % cls)
+
+
+def get_all_styles():
+    """Return a generator for all styles by name,
+    both builtin and plugin."""
+    yield from STYLE_MAP
+    for name, _ in find_plugin_styles():
+        yield name
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pygments/styles/__pycache__/__init__.cpython-310.pyc b/venv/lib/python3.10/site-packages/pip/_vendor/pygments/styles/__pycache__/__init__.cpython-310.pyc
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..fbc6d8cf208bba25fee4a960483f7e526fb7debc
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/__init__.py
@@ -0,0 +1,328 @@
+# module pyparsing.py
+#
+# Copyright (c) 2003-2021  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__doc__ = """
+pyparsing module - Classes and methods to define and execute parsing grammars
+=============================================================================
+
+The pyparsing module is an alternative approach to creating and
+executing simple grammars, vs. the traditional lex/yacc approach, or the
+use of regular expressions.  With pyparsing, you don't need to learn
+a new syntax for defining grammars or matching expressions - the parsing
+module provides a library of classes that you use to construct the
+grammar directly in Python.
+
+Here is a program to parse "Hello, World!" (or any greeting of the form
+``"<salutation>, <addressee>!"``), built up using :class:`Word`,
+:class:`Literal`, and :class:`And` elements
+(the :meth:`'+'<ParserElement.__add__>` operators create :class:`And` expressions,
+and the strings are auto-converted to :class:`Literal` expressions)::
+
+    from pip._vendor.pyparsing import Word, alphas
+
+    # define grammar of a greeting
+    greet = Word(alphas) + "," + Word(alphas) + "!"
+
+    hello = "Hello, World!"
+    print(hello, "->", greet.parse_string(hello))
+
+The program outputs the following::
+
+    Hello, World! -> ['Hello', ',', 'World', '!']
+
+The Python representation of the grammar is quite readable, owing to the
+self-explanatory class names, and the use of :class:`'+'<And>`,
+:class:`'|'<MatchFirst>`, :class:`'^'<Or>` and :class:`'&'<Each>` operators.
+
+The :class:`ParseResults` object returned from
+:class:`ParserElement.parseString` can be
+accessed as a nested list, a dictionary, or an object with named
+attributes.
+
+The pyparsing module handles some of the problems that are typically
+vexing when writing text parsers:
+
+  - extra or missing whitespace (the above program will also handle
+    "Hello,World!", "Hello  ,  World  !", etc.)
+  - quoted strings
+  - embedded comments
+
+
+Getting Started -
+-----------------
+Visit the classes :class:`ParserElement` and :class:`ParseResults` to
+see the base classes that most other pyparsing
+classes inherit from. Use the docstrings for examples of how to:
+
+ - construct literal match expressions from :class:`Literal` and
+   :class:`CaselessLiteral` classes
+ - construct character word-group expressions using the :class:`Word`
+   class
+ - see how to create repetitive expressions using :class:`ZeroOrMore`
+   and :class:`OneOrMore` classes
+ - use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`,
+   and :class:`'&'<Each>` operators to combine simple expressions into
+   more complex ones
+ - associate names with your parsed results using
+   :class:`ParserElement.setResultsName`
+ - access the parsed data, which is returned as a :class:`ParseResults`
+   object
+ - find some helpful expression short-cuts like :class:`delimitedList`
+   and :class:`oneOf`
+ - find more useful common expressions in the :class:`pyparsing_common`
+   namespace class
+"""
+from typing import NamedTuple
+
+
+class version_info(NamedTuple):
+    major: int
+    minor: int
+    micro: int
+    releaselevel: str
+    serial: int
+
+    @property
+    def __version__(self):
+        return "{}.{}.{}".format(self.major, self.minor, self.micro) + (
+            "{}{}{}".format(
+                "r" if self.releaselevel[0] == "c" else "",
+                self.releaselevel[0],
+                self.serial,
+            ),
+            "",
+        )[self.releaselevel == "final"]
+
+    def __str__(self):
+        return "{} {} / {}".format(__name__, self.__version__, __version_time__)
+
+    def __repr__(self):
+        return "{}.{}({})".format(
+            __name__,
+            type(self).__name__,
+            ", ".join("{}={!r}".format(*nv) for nv in zip(self._fields, self)),
+        )
+
+
+__version_info__ = version_info(3, 0, 7, "final", 0)
+__version_time__ = "15 Jan 2022 04:10 UTC"
+__version__ = __version_info__.__version__
+__versionTime__ = __version_time__
+__author__ = "Paul McGuire <ptmcg.gm+pyparsing@gmail.com>"
+
+from .util import *
+from .exceptions import *
+from .actions import *
+from .core import __diag__, __compat__
+from .results import *
+from .core import *
+from .core import _builtin_exprs as core_builtin_exprs
+from .helpers import *
+from .helpers import _builtin_exprs as helper_builtin_exprs
+
+from .unicode import unicode_set, UnicodeRangeList, pyparsing_unicode as unicode
+from .testing import pyparsing_test as testing
+from .common import (
+    pyparsing_common as common,
+    _builtin_exprs as common_builtin_exprs,
+)
+
+# define backward compat synonyms
+if "pyparsing_unicode" not in globals():
+    pyparsing_unicode = unicode
+if "pyparsing_common" not in globals():
+    pyparsing_common = common
+if "pyparsing_test" not in globals():
+    pyparsing_test = testing
+
+core_builtin_exprs += common_builtin_exprs + helper_builtin_exprs
+
+
+__all__ = [
+    "__version__",
+    "__version_time__",
+    "__author__",
+    "__compat__",
+    "__diag__",
+    "And",
+    "AtLineStart",
+    "AtStringStart",
+    "CaselessKeyword",
+    "CaselessLiteral",
+    "CharsNotIn",
+    "Combine",
+    "Dict",
+    "Each",
+    "Empty",
+    "FollowedBy",
+    "Forward",
+    "GoToColumn",
+    "Group",
+    "IndentedBlock",
+    "Keyword",
+    "LineEnd",
+    "LineStart",
+    "Literal",
+    "Located",
+    "PrecededBy",
+    "MatchFirst",
+    "NoMatch",
+    "NotAny",
+    "OneOrMore",
+    "OnlyOnce",
+    "OpAssoc",
+    "Opt",
+    "Optional",
+    "Or",
+    "ParseBaseException",
+    "ParseElementEnhance",
+    "ParseException",
+    "ParseExpression",
+    "ParseFatalException",
+    "ParseResults",
+    "ParseSyntaxException",
+    "ParserElement",
+    "PositionToken",
+    "QuotedString",
+    "RecursiveGrammarException",
+    "Regex",
+    "SkipTo",
+    "StringEnd",
+    "StringStart",
+    "Suppress",
+    "Token",
+    "TokenConverter",
+    "White",
+    "Word",
+    "WordEnd",
+    "WordStart",
+    "ZeroOrMore",
+    "Char",
+    "alphanums",
+    "alphas",
+    "alphas8bit",
+    "any_close_tag",
+    "any_open_tag",
+    "c_style_comment",
+    "col",
+    "common_html_entity",
+    "counted_array",
+    "cpp_style_comment",
+    "dbl_quoted_string",
+    "dbl_slash_comment",
+    "delimited_list",
+    "dict_of",
+    "empty",
+    "hexnums",
+    "html_comment",
+    "identchars",
+    "identbodychars",
+    "java_style_comment",
+    "line",
+    "line_end",
+    "line_start",
+    "lineno",
+    "make_html_tags",
+    "make_xml_tags",
+    "match_only_at_col",
+    "match_previous_expr",
+    "match_previous_literal",
+    "nested_expr",
+    "null_debug_action",
+    "nums",
+    "one_of",
+    "printables",
+    "punc8bit",
+    "python_style_comment",
+    "quoted_string",
+    "remove_quotes",
+    "replace_with",
+    "replace_html_entity",
+    "rest_of_line",
+    "sgl_quoted_string",
+    "srange",
+    "string_end",
+    "string_start",
+    "trace_parse_action",
+    "unicode_string",
+    "with_attribute",
+    "indentedBlock",
+    "original_text_for",
+    "ungroup",
+    "infix_notation",
+    "locatedExpr",
+    "with_class",
+    "CloseMatch",
+    "token_map",
+    "pyparsing_common",
+    "pyparsing_unicode",
+    "unicode_set",
+    "condition_as_parse_action",
+    "pyparsing_test",
+    # pre-PEP8 compatibility names
+    "__versionTime__",
+    "anyCloseTag",
+    "anyOpenTag",
+    "cStyleComment",
+    "commonHTMLEntity",
+    "countedArray",
+    "cppStyleComment",
+    "dblQuotedString",
+    "dblSlashComment",
+    "delimitedList",
+    "dictOf",
+    "htmlComment",
+    "javaStyleComment",
+    "lineEnd",
+    "lineStart",
+    "makeHTMLTags",
+    "makeXMLTags",
+    "matchOnlyAtCol",
+    "matchPreviousExpr",
+    "matchPreviousLiteral",
+    "nestedExpr",
+    "nullDebugAction",
+    "oneOf",
+    "opAssoc",
+    "pythonStyleComment",
+    "quotedString",
+    "removeQuotes",
+    "replaceHTMLEntity",
+    "replaceWith",
+    "restOfLine",
+    "sglQuotedString",
+    "stringEnd",
+    "stringStart",
+    "traceParseAction",
+    "unicodeString",
+    "withAttribute",
+    "indentedBlock",
+    "originalTextFor",
+    "infixNotation",
+    "locatedExpr",
+    "withClass",
+    "tokenMap",
+    "conditionAsParseAction",
+    "autoname_elements",
+]
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/actions.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/actions.py
new file mode 100644
index 0000000000000000000000000000000000000000..2bcc5502b075ff39be828a05f9bdc2ea3e574cf0
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/actions.py
@@ -0,0 +1,207 @@
+# actions.py
+
+from .exceptions import ParseException
+from .util import col
+
+
+class OnlyOnce:
+    """
+    Wrapper for parse actions, to ensure they are only called once.
+    """
+
+    def __init__(self, method_call):
+        from .core import _trim_arity
+
+        self.callable = _trim_arity(method_call)
+        self.called = False
+
+    def __call__(self, s, l, t):
+        if not self.called:
+            results = self.callable(s, l, t)
+            self.called = True
+            return results
+        raise ParseException(s, l, "OnlyOnce obj called multiple times w/out reset")
+
+    def reset(self):
+        """
+        Allow the associated parse action to be called once more.
+        """
+
+        self.called = False
+
+
+def match_only_at_col(n):
+    """
+    Helper method for defining parse actions that require matching at
+    a specific column in the input text.
+    """
+
+    def verify_col(strg, locn, toks):
+        if col(locn, strg) != n:
+            raise ParseException(strg, locn, "matched token not at column {}".format(n))
+
+    return verify_col
+
+
+def replace_with(repl_str):
+    """
+    Helper method for common parse actions that simply return
+    a literal value.  Especially useful when used with
+    :class:`transform_string<ParserElement.transform_string>` ().
+
+    Example::
+
+        num = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+        na = one_of("N/A NA").set_parse_action(replace_with(math.nan))
+        term = na | num
+
+        OneOrMore(term).parse_string("324 234 N/A 234") # -> [324, 234, nan, 234]
+    """
+    return lambda s, l, t: [repl_str]
+
+
+def remove_quotes(s, l, t):
+    """
+    Helper parse action for removing quotation marks from parsed
+    quoted strings.
+
+    Example::
+
+        # by default, quotation marks are included in parsed results
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"]
+
+        # use remove_quotes to strip quotation marks from parsed results
+        quoted_string.set_parse_action(remove_quotes)
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"]
+    """
+    return t[0][1:-1]
+
+
+def with_attribute(*args, **attr_dict):
+    """
+    Helper to create a validating parse action to be used with start
+    tags created with :class:`make_xml_tags` or
+    :class:`make_html_tags`. Use ``with_attribute`` to qualify
+    a starting tag with a required attribute value, to avoid false
+    matches on common tags such as ``<TD>`` or ``<DIV>``.
+
+    Call ``with_attribute`` with a series of attribute names and
+    values. Specify the list of filter attributes names and values as:
+
+    - keyword arguments, as in ``(align="right")``, or
+    - as an explicit dict with ``**`` operator, when an attribute
+      name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}``
+    - a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align", "right"))``
+
+    For attribute names with a namespace prefix, you must use the second
+    form.  Attribute names are matched insensitive to upper/lower case.
+
+    If just testing for ``class`` (with or without a namespace), use
+    :class:`with_class`.
+
+    To verify that the attribute exists, but without specifying a value,
+    pass ``with_attribute.ANY_VALUE`` as the value.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div type="grid">1 4 0 1 0</div>
+            <div type="graph">1,3 2,3 1,1</div>
+            <div>this has no type</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+
+        # only match div tag having a type attribute with value "grid"
+        div_grid = div().set_parse_action(with_attribute(type="grid"))
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        # construct a match with any div tag having a type attribute, regardless of the value
+        div_any_type = div().set_parse_action(with_attribute(type=with_attribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    if args:
+        attrs = args[:]
+    else:
+        attrs = attr_dict.items()
+    attrs = [(k, v) for k, v in attrs]
+
+    def pa(s, l, tokens):
+        for attrName, attrValue in attrs:
+            if attrName not in tokens:
+                raise ParseException(s, l, "no matching attribute " + attrName)
+            if attrValue != with_attribute.ANY_VALUE and tokens[attrName] != attrValue:
+                raise ParseException(
+                    s,
+                    l,
+                    "attribute {!r} has value {!r}, must be {!r}".format(
+                        attrName, tokens[attrName], attrValue
+                    ),
+                )
+
+    return pa
+
+
+with_attribute.ANY_VALUE = object()
+
+
+def with_class(classname, namespace=""):
+    """
+    Simplified version of :class:`with_attribute` when
+    matching on a div class - made difficult because ``class`` is
+    a reserved word in Python.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div class="grid">1 4 0 1 0</div>
+            <div class="graph">1,3 2,3 1,1</div>
+            <div>this &lt;div&gt; has no class</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+        div_grid = div().set_parse_action(with_class("grid"))
+
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        div_any_type = div().set_parse_action(with_class(withAttribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    classattr = "{}:class".format(namespace) if namespace else "class"
+    return with_attribute(**{classattr: classname})
+
+
+# pre-PEP8 compatibility symbols
+replaceWith = replace_with
+removeQuotes = remove_quotes
+withAttribute = with_attribute
+withClass = with_class
+matchOnlyAtCol = match_only_at_col
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/common.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/common.py
new file mode 100644
index 0000000000000000000000000000000000000000..1859fb79cc4e78850b69742fca56698041ce59f8
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/common.py
@@ -0,0 +1,424 @@
+# common.py
+from .core import *
+from .helpers import delimited_list, any_open_tag, any_close_tag
+from datetime import datetime
+
+
+# some other useful expressions - using lower-case class name since we are really using this as a namespace
+class pyparsing_common:
+    """Here are some common low-level expressions that may be useful in
+    jump-starting parser development:
+
+    - numeric forms (:class:`integers<integer>`, :class:`reals<real>`,
+      :class:`scientific notation<sci_real>`)
+    - common :class:`programming identifiers<identifier>`
+    - network addresses (:class:`MAC<mac_address>`,
+      :class:`IPv4<ipv4_address>`, :class:`IPv6<ipv6_address>`)
+    - ISO8601 :class:`dates<iso8601_date>` and
+      :class:`datetime<iso8601_datetime>`
+    - :class:`UUID<uuid>`
+    - :class:`comma-separated list<comma_separated_list>`
+    - :class:`url`
+
+    Parse actions:
+
+    - :class:`convertToInteger`
+    - :class:`convertToFloat`
+    - :class:`convertToDate`
+    - :class:`convertToDatetime`
+    - :class:`stripHTMLTags`
+    - :class:`upcaseTokens`
+    - :class:`downcaseTokens`
+
+    Example::
+
+        pyparsing_common.number.runTests('''
+            # any int or real number, returned as the appropriate type
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.fnumber.runTests('''
+            # any int or real number, returned as float
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.hex_integer.runTests('''
+            # hex numbers
+            100
+            FF
+            ''')
+
+        pyparsing_common.fraction.runTests('''
+            # fractions
+            1/2
+            -3/4
+            ''')
+
+        pyparsing_common.mixed_integer.runTests('''
+            # mixed fractions
+            1
+            1/2
+            -3/4
+            1-3/4
+            ''')
+
+        import uuid
+        pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID))
+        pyparsing_common.uuid.runTests('''
+            # uuid
+            12345678-1234-5678-1234-567812345678
+            ''')
+
+    prints::
+
+        # any int or real number, returned as the appropriate type
+        100
+        [100]
+
+        -100
+        [-100]
+
+        +100
+        [100]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # any int or real number, returned as float
+        100
+        [100.0]
+
+        -100
+        [-100.0]
+
+        +100
+        [100.0]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # hex numbers
+        100
+        [256]
+
+        FF
+        [255]
+
+        # fractions
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        # mixed fractions
+        1
+        [1]
+
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        1-3/4
+        [1.75]
+
+        # uuid
+        12345678-1234-5678-1234-567812345678
+        [UUID('12345678-1234-5678-1234-567812345678')]
+    """
+
+    convert_to_integer = token_map(int)
+    """
+    Parse action for converting parsed integers to Python int
+    """
+
+    convert_to_float = token_map(float)
+    """
+    Parse action for converting parsed numbers to Python float
+    """
+
+    integer = Word(nums).set_name("integer").set_parse_action(convert_to_integer)
+    """expression that parses an unsigned integer, returns an int"""
+
+    hex_integer = (
+        Word(hexnums).set_name("hex integer").set_parse_action(token_map(int, 16))
+    )
+    """expression that parses a hexadecimal integer, returns an int"""
+
+    signed_integer = (
+        Regex(r"[+-]?\d+")
+        .set_name("signed integer")
+        .set_parse_action(convert_to_integer)
+    )
+    """expression that parses an integer with optional leading sign, returns an int"""
+
+    fraction = (
+        signed_integer().set_parse_action(convert_to_float)
+        + "/"
+        + signed_integer().set_parse_action(convert_to_float)
+    ).set_name("fraction")
+    """fractional expression of an integer divided by an integer, returns a float"""
+    fraction.add_parse_action(lambda tt: tt[0] / tt[-1])
+
+    mixed_integer = (
+        fraction | signed_integer + Opt(Opt("-").suppress() + fraction)
+    ).set_name("fraction or mixed integer-fraction")
+    """mixed integer of the form 'integer - fraction', with optional leading integer, returns float"""
+    mixed_integer.add_parse_action(sum)
+
+    real = (
+        Regex(r"[+-]?(?:\d+\.\d*|\.\d+)")
+        .set_name("real number")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number and returns a float"""
+
+    sci_real = (
+        Regex(r"[+-]?(?:\d+(?:[eE][+-]?\d+)|(?:\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?)")
+        .set_name("real number with scientific notation")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number with optional
+    scientific notation and returns a float"""
+
+    # streamlining this expression makes the docs nicer-looking
+    number = (sci_real | real | signed_integer).setName("number").streamline()
+    """any numeric expression, returns the corresponding Python type"""
+
+    fnumber = (
+        Regex(r"[+-]?\d+\.?\d*([eE][+-]?\d+)?")
+        .set_name("fnumber")
+        .set_parse_action(convert_to_float)
+    )
+    """any int or real number, returned as float"""
+
+    identifier = Word(identchars, identbodychars).set_name("identifier")
+    """typical code identifier (leading alpha or '_', followed by 0 or more alphas, nums, or '_')"""
+
+    ipv4_address = Regex(
+        r"(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}"
+    ).set_name("IPv4 address")
+    "IPv4 address (``0.0.0.0 - 255.255.255.255``)"
+
+    _ipv6_part = Regex(r"[0-9a-fA-F]{1,4}").set_name("hex_integer")
+    _full_ipv6_address = (_ipv6_part + (":" + _ipv6_part) * 7).set_name(
+        "full IPv6 address"
+    )
+    _short_ipv6_address = (
+        Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+        + "::"
+        + Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+    ).set_name("short IPv6 address")
+    _short_ipv6_address.add_condition(
+        lambda t: sum(1 for tt in t if pyparsing_common._ipv6_part.matches(tt)) < 8
+    )
+    _mixed_ipv6_address = ("::ffff:" + ipv4_address).set_name("mixed IPv6 address")
+    ipv6_address = Combine(
+        (_full_ipv6_address | _mixed_ipv6_address | _short_ipv6_address).set_name(
+            "IPv6 address"
+        )
+    ).set_name("IPv6 address")
+    "IPv6 address (long, short, or mixed form)"
+
+    mac_address = Regex(
+        r"[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}"
+    ).set_name("MAC address")
+    "MAC address xx:xx:xx:xx:xx (may also have '-' or '.' delimiters)"
+
+    @staticmethod
+    def convert_to_date(fmt: str = "%Y-%m-%d"):
+        """
+        Helper to create a parse action for converting parsed date string to Python datetime.date
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%d"``)
+
+        Example::
+
+            date_expr = pyparsing_common.iso8601_date.copy()
+            date_expr.setParseAction(pyparsing_common.convertToDate())
+            print(date_expr.parseString("1999-12-31"))
+
+        prints::
+
+            [datetime.date(1999, 12, 31)]
+        """
+
+        def cvt_fn(ss, ll, tt):
+            try:
+                return datetime.strptime(tt[0], fmt).date()
+            except ValueError as ve:
+                raise ParseException(ss, ll, str(ve))
+
+        return cvt_fn
+
+    @staticmethod
+    def convert_to_datetime(fmt: str = "%Y-%m-%dT%H:%M:%S.%f"):
+        """Helper to create a parse action for converting parsed
+        datetime string to Python datetime.datetime
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%dT%H:%M:%S.%f"``)
+
+        Example::
+
+            dt_expr = pyparsing_common.iso8601_datetime.copy()
+            dt_expr.setParseAction(pyparsing_common.convertToDatetime())
+            print(dt_expr.parseString("1999-12-31T23:59:59.999"))
+
+        prints::
+
+            [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)]
+        """
+
+        def cvt_fn(s, l, t):
+            try:
+                return datetime.strptime(t[0], fmt)
+            except ValueError as ve:
+                raise ParseException(s, l, str(ve))
+
+        return cvt_fn
+
+    iso8601_date = Regex(
+        r"(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?"
+    ).set_name("ISO8601 date")
+    "ISO8601 date (``yyyy-mm-dd``)"
+
+    iso8601_datetime = Regex(
+        r"(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?"
+    ).set_name("ISO8601 datetime")
+    "ISO8601 datetime (``yyyy-mm-ddThh:mm:ss.s(Z|+-00:00)``) - trailing seconds, milliseconds, and timezone optional; accepts separating ``'T'`` or ``' '``"
+
+    uuid = Regex(r"[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}").set_name("UUID")
+    "UUID (``xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx``)"
+
+    _html_stripper = any_open_tag.suppress() | any_close_tag.suppress()
+
+    @staticmethod
+    def strip_html_tags(s: str, l: int, tokens: ParseResults):
+        """Parse action to remove HTML tags from web page HTML source
+
+        Example::
+
+            # strip HTML links from normal text
+            text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+            td, td_end = makeHTMLTags("TD")
+            table_text = td + SkipTo(td_end).setParseAction(pyparsing_common.stripHTMLTags)("body") + td_end
+            print(table_text.parseString(text).body)
+
+        Prints::
+
+            More info at the pyparsing wiki page
+        """
+        return pyparsing_common._html_stripper.transform_string(tokens[0])
+
+    _commasepitem = (
+        Combine(
+            OneOrMore(
+                ~Literal(",")
+                + ~LineEnd()
+                + Word(printables, exclude_chars=",")
+                + Opt(White(" \t") + ~FollowedBy(LineEnd() | ","))
+            )
+        )
+        .streamline()
+        .set_name("commaItem")
+    )
+    comma_separated_list = delimited_list(
+        Opt(quoted_string.copy() | _commasepitem, default="")
+    ).set_name("comma separated list")
+    """Predefined expression of 1 or more printable words or quoted strings, separated by commas."""
+
+    upcase_tokens = staticmethod(token_map(lambda t: t.upper()))
+    """Parse action to convert tokens to upper case."""
+
+    downcase_tokens = staticmethod(token_map(lambda t: t.lower()))
+    """Parse action to convert tokens to lower case."""
+
+    # fmt: off
+    url = Regex(
+        # https://mathiasbynens.be/demo/url-regex
+        # https://gist.github.com/dperini/729294
+        r"^" +
+        # protocol identifier (optional)
+        # short syntax // still required
+        r"(?:(?:(?P<scheme>https?|ftp):)?\/\/)" +
+        # user:pass BasicAuth (optional)
+        r"(?:(?P<auth>\S+(?::\S*)?)@)?" +
+        r"(?P<host>" +
+        # IP address exclusion
+        # private & local networks
+        r"(?!(?:10|127)(?:\.\d{1,3}){3})" +
+        r"(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})" +
+        r"(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})" +
+        # IP address dotted notation octets
+        # excludes loopback network 0.0.0.0
+        # excludes reserved space >= 224.0.0.0
+        # excludes network & broadcast addresses
+        # (first & last IP address of each class)
+        r"(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])" +
+        r"(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}" +
+        r"(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))" +
+        r"|" +
+        # host & domain names, may end with dot
+        # can be replaced by a shortest alternative
+        # (?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.)+
+        r"(?:" +
+        r"(?:" +
+        r"[a-z0-9\u00a1-\uffff]" +
+        r"[a-z0-9\u00a1-\uffff_-]{0,62}" +
+        r")?" +
+        r"[a-z0-9\u00a1-\uffff]\." +
+        r")+" +
+        # TLD identifier name, may end with dot
+        r"(?:[a-z\u00a1-\uffff]{2,}\.?)" +
+        r")" +
+        # port number (optional)
+        r"(:(?P<port>\d{2,5}))?" +
+        # resource path (optional)
+        r"(?P<path>\/[^?# ]*)?" +
+        # query string (optional)
+        r"(\?(?P<query>[^#]*))?" +
+        # fragment (optional)
+        r"(#(?P<fragment>\S*))?" +
+        r"$"
+    ).set_name("url")
+    # fmt: on
+
+    # pre-PEP8 compatibility names
+    convertToInteger = convert_to_integer
+    convertToFloat = convert_to_float
+    convertToDate = convert_to_date
+    convertToDatetime = convert_to_datetime
+    stripHTMLTags = strip_html_tags
+    upcaseTokens = upcase_tokens
+    downcaseTokens = downcase_tokens
+
+
+_builtin_exprs = [
+    v for v in vars(pyparsing_common).values() if isinstance(v, ParserElement)
+]
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/core.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/core.py
new file mode 100644
index 0000000000000000000000000000000000000000..63118154ab886597070a908569428552a33c8e3a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/core.py
@@ -0,0 +1,5789 @@
+#
+# core.py
+#
+import os
+from typing import (
+    Optional as OptionalType,
+    Iterable as IterableType,
+    NamedTuple,
+    Union,
+    Callable,
+    Any,
+    Generator,
+    Tuple,
+    List,
+    TextIO,
+    Set,
+    Dict as DictType,
+    Sequence,
+)
+from abc import ABC, abstractmethod
+from enum import Enum
+import string
+import copy
+import warnings
+import re
+import sre_constants
+import sys
+from collections.abc import Iterable
+import traceback
+import types
+from operator import itemgetter
+from functools import wraps
+from threading import RLock
+from pathlib import Path
+
+from .util import (
+    _FifoCache,
+    _UnboundedCache,
+    __config_flags,
+    _collapse_string_to_ranges,
+    _escape_regex_range_chars,
+    _bslash,
+    _flatten,
+    LRUMemo as _LRUMemo,
+    UnboundedMemo as _UnboundedMemo,
+)
+from .exceptions import *
+from .actions import *
+from .results import ParseResults, _ParseResultsWithOffset
+from .unicode import pyparsing_unicode
+
+_MAX_INT = sys.maxsize
+str_type: Tuple[type, ...] = (str, bytes)
+
+#
+# Copyright (c) 2003-2021  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+
+class __compat__(__config_flags):
+    """
+    A cross-version compatibility configuration for pyparsing features that will be
+    released in a future version. By setting values in this configuration to True,
+    those features can be enabled in prior versions for compatibility development
+    and testing.
+
+    - ``collect_all_And_tokens`` - flag to enable fix for Issue #63 that fixes erroneous grouping
+      of results names when an :class:`And` expression is nested within an :class:`Or` or :class:`MatchFirst`;
+      maintained for compatibility, but setting to ``False`` no longer restores pre-2.3.1
+      behavior
+    """
+
+    _type_desc = "compatibility"
+
+    collect_all_And_tokens = True
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _fixed_names = """
+        collect_all_And_tokens
+        """.split()
+
+
+class __diag__(__config_flags):
+    _type_desc = "diagnostic"
+
+    warn_multiple_tokens_in_named_alternation = False
+    warn_ungrouped_named_tokens_in_collection = False
+    warn_name_set_on_empty_Forward = False
+    warn_on_parse_using_empty_Forward = False
+    warn_on_assignment_to_Forward = False
+    warn_on_multiple_string_args_to_oneof = False
+    warn_on_match_first_with_lshift_operator = False
+    enable_debug_on_named_expressions = False
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _warning_names = [name for name in _all_names if name.startswith("warn")]
+    _debug_names = [name for name in _all_names if name.startswith("enable_debug")]
+
+    @classmethod
+    def enable_all_warnings(cls) -> None:
+        for name in cls._warning_names:
+            cls.enable(name)
+
+
+class Diagnostics(Enum):
+    """
+    Diagnostic configuration (all default to disabled)
+    - ``warn_multiple_tokens_in_named_alternation`` - flag to enable warnings when a results
+      name is defined on a :class:`MatchFirst` or :class:`Or` expression with one or more :class:`And` subexpressions
+    - ``warn_ungrouped_named_tokens_in_collection`` - flag to enable warnings when a results
+      name is defined on a containing expression with ungrouped subexpressions that also
+      have results names
+    - ``warn_name_set_on_empty_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      with a results name, but has no contents defined
+    - ``warn_on_parse_using_empty_Forward`` - flag to enable warnings when a :class:`Forward` is
+      defined in a grammar but has never had an expression attached to it
+    - ``warn_on_assignment_to_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      but is overwritten by assigning using ``'='`` instead of ``'<<='`` or ``'<<'``
+    - ``warn_on_multiple_string_args_to_oneof`` - flag to enable warnings when :class:`one_of` is
+      incorrectly called with multiple str arguments
+    - ``enable_debug_on_named_expressions`` - flag to auto-enable debug on all subsequent
+      calls to :class:`ParserElement.set_name`
+
+    Diagnostics are enabled/disabled by calling :class:`enable_diag` and :class:`disable_diag`.
+    All warnings can be enabled by calling :class:`enable_all_warnings`.
+    """
+
+    warn_multiple_tokens_in_named_alternation = 0
+    warn_ungrouped_named_tokens_in_collection = 1
+    warn_name_set_on_empty_Forward = 2
+    warn_on_parse_using_empty_Forward = 3
+    warn_on_assignment_to_Forward = 4
+    warn_on_multiple_string_args_to_oneof = 5
+    warn_on_match_first_with_lshift_operator = 6
+    enable_debug_on_named_expressions = 7
+
+
+def enable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Enable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.enable(diag_enum.name)
+
+
+def disable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Disable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.disable(diag_enum.name)
+
+
+def enable_all_warnings() -> None:
+    """
+    Enable all global pyparsing diagnostic warnings (see :class:`Diagnostics`).
+    """
+    __diag__.enable_all_warnings()
+
+
+# hide abstract class
+del __config_flags
+
+
+def _should_enable_warnings(
+    cmd_line_warn_options: IterableType[str], warn_env_var: OptionalType[str]
+) -> bool:
+    enable = bool(warn_env_var)
+    for warn_opt in cmd_line_warn_options:
+        w_action, w_message, w_category, w_module, w_line = (warn_opt + "::::").split(
+            ":"
+        )[:5]
+        if not w_action.lower().startswith("i") and (
+            not (w_message or w_category or w_module) or w_module == "pyparsing"
+        ):
+            enable = True
+        elif w_action.lower().startswith("i") and w_module in ("pyparsing", ""):
+            enable = False
+    return enable
+
+
+if _should_enable_warnings(
+    sys.warnoptions, os.environ.get("PYPARSINGENABLEALLWARNINGS")
+):
+    enable_all_warnings()
+
+
+# build list of single arg builtins, that can be used as parse actions
+_single_arg_builtins = {
+    sum,
+    len,
+    sorted,
+    reversed,
+    list,
+    tuple,
+    set,
+    any,
+    all,
+    min,
+    max,
+}
+
+_generatorType = types.GeneratorType
+ParseAction = Union[
+    Callable[[], Any],
+    Callable[[ParseResults], Any],
+    Callable[[int, ParseResults], Any],
+    Callable[[str, int, ParseResults], Any],
+]
+ParseCondition = Union[
+    Callable[[], bool],
+    Callable[[ParseResults], bool],
+    Callable[[int, ParseResults], bool],
+    Callable[[str, int, ParseResults], bool],
+]
+ParseFailAction = Callable[[str, int, "ParserElement", Exception], None]
+DebugStartAction = Callable[[str, int, "ParserElement", bool], None]
+DebugSuccessAction = Callable[
+    [str, int, int, "ParserElement", ParseResults, bool], None
+]
+DebugExceptionAction = Callable[[str, int, "ParserElement", Exception, bool], None]
+
+
+alphas = string.ascii_uppercase + string.ascii_lowercase
+identchars = pyparsing_unicode.Latin1.identchars
+identbodychars = pyparsing_unicode.Latin1.identbodychars
+nums = "0123456789"
+hexnums = nums + "ABCDEFabcdef"
+alphanums = alphas + nums
+printables = "".join([c for c in string.printable if c not in string.whitespace])
+
+_trim_arity_call_line = None
+
+
+def _trim_arity(func, maxargs=2):
+    """decorator to trim function calls to match the arity of the target"""
+    global _trim_arity_call_line
+
+    if func in _single_arg_builtins:
+        return lambda s, l, t: func(t)
+
+    limit = 0
+    found_arity = False
+
+    def extract_tb(tb, limit=0):
+        frames = traceback.extract_tb(tb, limit=limit)
+        frame_summary = frames[-1]
+        return [frame_summary[:2]]
+
+    # synthesize what would be returned by traceback.extract_stack at the call to
+    # user's parse action 'func', so that we don't incur call penalty at parse time
+
+    LINE_DIFF = 11
+    # IF ANY CODE CHANGES, EVEN JUST COMMENTS OR BLANK LINES, BETWEEN THE NEXT LINE AND
+    # THE CALL TO FUNC INSIDE WRAPPER, LINE_DIFF MUST BE MODIFIED!!!!
+    _trim_arity_call_line = (
+        _trim_arity_call_line or traceback.extract_stack(limit=2)[-1]
+    )
+    pa_call_line_synth = (
+        _trim_arity_call_line[0],
+        _trim_arity_call_line[1] + LINE_DIFF,
+    )
+
+    def wrapper(*args):
+        nonlocal found_arity, limit
+        while 1:
+            try:
+                ret = func(*args[limit:])
+                found_arity = True
+                return ret
+            except TypeError as te:
+                # re-raise TypeErrors if they did not come from our arity testing
+                if found_arity:
+                    raise
+                else:
+                    tb = te.__traceback__
+                    trim_arity_type_error = (
+                        extract_tb(tb, limit=2)[-1][:2] == pa_call_line_synth
+                    )
+                    del tb
+
+                    if trim_arity_type_error:
+                        if limit <= maxargs:
+                            limit += 1
+                            continue
+
+                    raise
+
+    # copy func name to wrapper for sensible debug output
+    # (can't use functools.wraps, since that messes with function signature)
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    wrapper.__name__ = func_name
+
+    return wrapper
+
+
+def condition_as_parse_action(
+    fn: ParseCondition, message: str = None, fatal: bool = False
+) -> ParseAction:
+    """
+    Function to convert a simple predicate function that returns ``True`` or ``False``
+    into a parse action. Can be used in places when a parse action is required
+    and :class:`ParserElement.add_condition` cannot be used (such as when adding a condition
+    to an operator level in :class:`infix_notation`).
+
+    Optional keyword arguments:
+
+    - ``message`` - define a custom message to be used in the raised exception
+    - ``fatal`` - if True, will raise :class:`ParseFatalException` to stop parsing immediately;
+      otherwise will raise :class:`ParseException`
+
+    """
+    msg = message if message is not None else "failed user-defined condition"
+    exc_type = ParseFatalException if fatal else ParseException
+    fn = _trim_arity(fn)
+
+    @wraps(fn)
+    def pa(s, l, t):
+        if not bool(fn(s, l, t)):
+            raise exc_type(s, l, msg)
+
+    return pa
+
+
+def _default_start_debug_action(
+    instring: str, loc: int, expr: "ParserElement", cache_hit: bool = False
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(
+        (
+            "{}Match {} at loc {}({},{})\n  {}\n  {}^".format(
+                cache_hit_str,
+                expr,
+                loc,
+                lineno(loc, instring),
+                col(loc, instring),
+                line(loc, instring),
+                " " * (col(loc, instring) - 1),
+            )
+        )
+    )
+
+
+def _default_success_debug_action(
+    instring: str,
+    startloc: int,
+    endloc: int,
+    expr: "ParserElement",
+    toks: ParseResults,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print("{}Matched {} -> {}".format(cache_hit_str, expr, toks.as_list()))
+
+
+def _default_exception_debug_action(
+    instring: str,
+    loc: int,
+    expr: "ParserElement",
+    exc: Exception,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(
+        "{}Match {} failed, {} raised: {}".format(
+            cache_hit_str, expr, type(exc).__name__, exc
+        )
+    )
+
+
+def null_debug_action(*args):
+    """'Do-nothing' debug action, to suppress debugging output during parsing."""
+
+
+class ParserElement(ABC):
+    """Abstract base level parser element class."""
+
+    DEFAULT_WHITE_CHARS: str = " \n\t\r"
+    verbose_stacktrace: bool = False
+    _literalStringClass: OptionalType[type] = None
+
+    @staticmethod
+    def set_default_whitespace_chars(chars: str) -> None:
+        r"""
+        Overrides the default whitespace chars
+
+        Example::
+
+            # default whitespace chars are space, <TAB> and newline
+            OneOrMore(Word(alphas)).parse_string("abc def\nghi jkl")  # -> ['abc', 'def', 'ghi', 'jkl']
+
+            # change to just treat newline as significant
+            ParserElement.set_default_whitespace_chars(" \t")
+            OneOrMore(Word(alphas)).parse_string("abc def\nghi jkl")  # -> ['abc', 'def']
+        """
+        ParserElement.DEFAULT_WHITE_CHARS = chars
+
+        # update whitespace all parse expressions defined in this module
+        for expr in _builtin_exprs:
+            if expr.copyDefaultWhiteChars:
+                expr.whiteChars = set(chars)
+
+    @staticmethod
+    def inline_literals_using(cls: type) -> None:
+        """
+        Set class to be used for inclusion of string literals into a parser.
+
+        Example::
+
+            # default literal class used is Literal
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '/', '12', '/', '31']
+
+
+            # change to Suppress
+            ParserElement.inline_literals_using(Suppress)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '12', '31']
+        """
+        ParserElement._literalStringClass = cls
+
+    class DebugActions(NamedTuple):
+        debug_try: OptionalType[DebugStartAction]
+        debug_match: OptionalType[DebugSuccessAction]
+        debug_fail: OptionalType[DebugExceptionAction]
+
+    def __init__(self, savelist: bool = False):
+        self.parseAction: List[ParseAction] = list()
+        self.failAction: OptionalType[ParseFailAction] = None
+        self.customName = None
+        self._defaultName = None
+        self.resultsName = None
+        self.saveAsList = savelist
+        self.skipWhitespace = True
+        self.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        self.copyDefaultWhiteChars = True
+        # used when checking for left-recursion
+        self.mayReturnEmpty = False
+        self.keepTabs = False
+        self.ignoreExprs: List["ParserElement"] = list()
+        self.debug = False
+        self.streamlined = False
+        # optimize exception handling for subclasses that don't advance parse index
+        self.mayIndexError = True
+        self.errmsg = ""
+        # mark results names as modal (report only last) or cumulative (list all)
+        self.modalResults = True
+        # custom debug actions
+        self.debugActions = self.DebugActions(None, None, None)
+        self.re = None
+        # avoid redundant calls to preParse
+        self.callPreparse = True
+        self.callDuringTry = False
+        self.suppress_warnings_: List[Diagnostics] = []
+
+    def suppress_warning(self, warning_type: Diagnostics) -> "ParserElement":
+        """
+        Suppress warnings emitted for a particular diagnostic on this expression.
+
+        Example::
+
+            base = pp.Forward()
+            base.suppress_warning(Diagnostics.warn_on_parse_using_empty_Forward)
+
+            # statement would normally raise a warning, but is now suppressed
+            print(base.parseString("x"))
+
+        """
+        self.suppress_warnings_.append(warning_type)
+        return self
+
+    def copy(self) -> "ParserElement":
+        """
+        Make a copy of this :class:`ParserElement`.  Useful for defining
+        different parse actions for the same parsing pattern, using copies of
+        the original parse element.
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            integerK = integer.copy().add_parse_action(lambda toks: toks[0] * 1024) + Suppress("K")
+            integerM = integer.copy().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+
+            print(OneOrMore(integerK | integerM | integer).parse_string("5K 100 640K 256M"))
+
+        prints::
+
+            [5120, 100, 655360, 268435456]
+
+        Equivalent form of ``expr.copy()`` is just ``expr()``::
+
+            integerM = integer().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+        """
+        cpy = copy.copy(self)
+        cpy.parseAction = self.parseAction[:]
+        cpy.ignoreExprs = self.ignoreExprs[:]
+        if self.copyDefaultWhiteChars:
+            cpy.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        return cpy
+
+    def set_results_name(
+        self, name: str, list_all_matches: bool = False, *, listAllMatches: bool = False
+    ) -> "ParserElement":
+        """
+        Define name for referencing matching tokens as a nested attribute
+        of the returned parse results.
+
+        Normally, results names are assigned as you would assign keys in a dict:
+        any existing value is overwritten by later values. If it is necessary to
+        keep all values captured for a particular results name, call ``set_results_name``
+        with ``list_all_matches`` = True.
+
+        NOTE: ``set_results_name`` returns a *copy* of the original :class:`ParserElement` object;
+        this is so that the client can define a basic element, such as an
+        integer, and reference it in multiple places with different names.
+
+        You can also set results names using the abbreviated syntax,
+        ``expr("name")`` in place of ``expr.set_results_name("name")``
+        - see :class:`__call__`. If ``list_all_matches`` is required, use
+        ``expr("name*")``.
+
+        Example::
+
+            date_str = (integer.set_results_name("year") + '/'
+                        + integer.set_results_name("month") + '/'
+                        + integer.set_results_name("day"))
+
+            # equivalent form:
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+        """
+        listAllMatches = listAllMatches or list_all_matches
+        return self._setResultsName(name, listAllMatches)
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if name is None:
+            return self
+        newself = self.copy()
+        if name.endswith("*"):
+            name = name[:-1]
+            listAllMatches = True
+        newself.resultsName = name
+        newself.modalResults = not listAllMatches
+        return newself
+
+    def set_break(self, break_flag: bool = True) -> "ParserElement":
+        """
+        Method to invoke the Python pdb debugger when this element is
+        about to be parsed. Set ``break_flag`` to ``True`` to enable, ``False`` to
+        disable.
+        """
+        if break_flag:
+            _parseMethod = self._parse
+
+            def breaker(instring, loc, doActions=True, callPreParse=True):
+                import pdb
+
+                # this call to pdb.set_trace() is intentional, not a checkin error
+                pdb.set_trace()
+                return _parseMethod(instring, loc, doActions, callPreParse)
+
+            breaker._originalParseMethod = _parseMethod
+            self._parse = breaker
+        else:
+            if hasattr(self._parse, "_originalParseMethod"):
+                self._parse = self._parse._originalParseMethod
+        return self
+
+    def set_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Define one or more actions to perform when successfully matching parse element definition.
+
+        Parse actions can be called to perform data conversions, do extra validation,
+        update external data structures, or enhance or replace the parsed tokens.
+        Each parse action ``fn`` is a callable method with 0-3 arguments, called as
+        ``fn(s, loc, toks)`` , ``fn(loc, toks)`` , ``fn(toks)`` , or just ``fn()`` , where:
+
+        - s   = the original string being parsed (see note below)
+        - loc = the location of the matching substring
+        - toks = a list of the matched tokens, packaged as a :class:`ParseResults` object
+
+        The parsed tokens are passed to the parse action as ParseResults. They can be
+        modified in place using list-style append, extend, and pop operations to update
+        the parsed list elements; and with dictionary-style item set and del operations
+        to add, update, or remove any named results. If the tokens are modified in place,
+        it is not necessary to return them with a return statement.
+
+        Parse actions can also completely replace the given tokens, with another ``ParseResults``
+        object, or with some entirely different object (common for parse actions that perform data
+        conversions). A convenient way to build a new parse result is to define the values
+        using a dict, and then create the return value using :class:`ParseResults.from_dict`.
+
+        If None is passed as the ``fn`` parse action, all previously added parse actions for this
+        expression are cleared.
+
+        Optional keyword arguments:
+
+        - call_during_try = (default= ``False``) indicate if parse action should be run during
+          lookaheads and alternate testing. For parse actions that have side effects, it is
+          important to only call the parse action once it is determined that it is being
+          called as part of a successful parse. For parse actions that perform additional
+          validation, then call_during_try should be passed as True, so that the validation
+          code is included in the preliminary "try" parses.
+
+        Note: the default parsing behavior is to expand tabs in the input string
+        before starting the parsing process.  See :class:`parse_string` for more
+        information on parsing strings containing ``<TAB>`` s, and suggested
+        methods to maintain a consistent view of the parsed string, the parse
+        location, and line and column positions within the parsed string.
+
+        Example::
+
+            # parse dates in the form YYYY/MM/DD
+
+            # use parse action to convert toks from str to int at parse time
+            def convert_to_int(toks):
+                return int(toks[0])
+
+            # use a parse action to verify that the date is a valid date
+            def is_valid_date(instring, loc, toks):
+                from datetime import date
+                year, month, day = toks[::2]
+                try:
+                    date(year, month, day)
+                except ValueError:
+                    raise ParseException(instring, loc, "invalid date given")
+
+            integer = Word(nums)
+            date_str = integer + '/' + integer + '/' + integer
+
+            # add parse actions
+            integer.set_parse_action(convert_to_int)
+            date_str.set_parse_action(is_valid_date)
+
+            # note that integer fields are now ints, not strings
+            date_str.run_tests('''
+                # successful parse - note that integer fields were converted to ints
+                1999/12/31
+
+                # fail - invalid date
+                1999/13/31
+                ''')
+        """
+        if list(fns) == [None]:
+            self.parseAction = []
+        else:
+            if not all(callable(fn) for fn in fns):
+                raise TypeError("parse actions must be callable")
+            self.parseAction = [_trim_arity(fn) for fn in fns]
+            self.callDuringTry = kwargs.get(
+                "call_during_try", kwargs.get("callDuringTry", False)
+            )
+        return self
+
+    def add_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Add one or more parse actions to expression's list of parse actions. See :class:`set_parse_action`.
+
+        See examples in :class:`copy`.
+        """
+        self.parseAction += [_trim_arity(fn) for fn in fns]
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def add_condition(self, *fns: ParseCondition, **kwargs) -> "ParserElement":
+        """Add a boolean predicate function to expression's list of parse actions. See
+        :class:`set_parse_action` for function call signatures. Unlike ``set_parse_action``,
+        functions passed to ``add_condition`` need to return boolean success/fail of the condition.
+
+        Optional keyword arguments:
+
+        - message = define a custom message to be used in the raised exception
+        - fatal = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise
+          ParseException
+        - call_during_try = boolean to indicate if this method should be called during internal tryParse calls,
+          default=False
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            year_int = integer.copy()
+            year_int.add_condition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later")
+            date_str = year_int + '/' + integer + '/' + integer
+
+            result = date_str.parse_string("1999/12/31")  # -> Exception: Only support years 2000 and later (at char 0),
+                                                                         (line:1, col:1)
+        """
+        for fn in fns:
+            self.parseAction.append(
+                condition_as_parse_action(
+                    fn, message=kwargs.get("message"), fatal=kwargs.get("fatal", False)
+                )
+            )
+
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def set_fail_action(self, fn: ParseFailAction) -> "ParserElement":
+        """
+        Define action to perform if parsing fails at this expression.
+        Fail acton fn is a callable function that takes the arguments
+        ``fn(s, loc, expr, err)`` where:
+
+        - s = string being parsed
+        - loc = location where expression match was attempted and failed
+        - expr = the parse expression that failed
+        - err = the exception thrown
+
+        The function returns no value.  It may throw :class:`ParseFatalException`
+        if it is desired to stop parsing immediately."""
+        self.failAction = fn
+        return self
+
+    def _skipIgnorables(self, instring, loc):
+        exprsFound = True
+        while exprsFound:
+            exprsFound = False
+            for e in self.ignoreExprs:
+                try:
+                    while 1:
+                        loc, dummy = e._parse(instring, loc)
+                        exprsFound = True
+                except ParseException:
+                    pass
+        return loc
+
+    def preParse(self, instring, loc):
+        if self.ignoreExprs:
+            loc = self._skipIgnorables(instring, loc)
+
+        if self.skipWhitespace:
+            instrlen = len(instring)
+            white_chars = self.whiteChars
+            while loc < instrlen and instring[loc] in white_chars:
+                loc += 1
+
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        return loc, []
+
+    def postParse(self, instring, loc, tokenlist):
+        return tokenlist
+
+    # @profile
+    def _parseNoCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        TRY, MATCH, FAIL = 0, 1, 2
+        debugging = self.debug  # and doActions)
+        len_instring = len(instring)
+
+        if debugging or self.failAction:
+            # print("Match {} at loc {}({}, {})".format(self, loc, lineno(loc, instring), col(loc, instring)))
+            try:
+                if callPreParse and self.callPreparse:
+                    pre_loc = self.preParse(instring, loc)
+                else:
+                    pre_loc = loc
+                tokens_start = pre_loc
+                if self.debugActions.debug_try:
+                    self.debugActions.debug_try(instring, tokens_start, self, False)
+                if self.mayIndexError or pre_loc >= len_instring:
+                    try:
+                        loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                    except IndexError:
+                        raise ParseException(instring, len_instring, self.errmsg, self)
+                else:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+            except Exception as err:
+                # print("Exception raised:", err)
+                if self.debugActions.debug_fail:
+                    self.debugActions.debug_fail(
+                        instring, tokens_start, self, err, False
+                    )
+                if self.failAction:
+                    self.failAction(instring, tokens_start, self, err)
+                raise
+        else:
+            if callPreParse and self.callPreparse:
+                pre_loc = self.preParse(instring, loc)
+            else:
+                pre_loc = loc
+            tokens_start = pre_loc
+            if self.mayIndexError or pre_loc >= len_instring:
+                try:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                except IndexError:
+                    raise ParseException(instring, len_instring, self.errmsg, self)
+            else:
+                loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+
+        tokens = self.postParse(instring, loc, tokens)
+
+        ret_tokens = ParseResults(
+            tokens, self.resultsName, asList=self.saveAsList, modal=self.modalResults
+        )
+        if self.parseAction and (doActions or self.callDuringTry):
+            if debugging:
+                try:
+                    for fn in self.parseAction:
+                        try:
+                            tokens = fn(instring, tokens_start, ret_tokens)
+                        except IndexError as parse_action_exc:
+                            exc = ParseException("exception raised in parse action")
+                            raise exc from parse_action_exc
+
+                        if tokens is not None and tokens is not ret_tokens:
+                            ret_tokens = ParseResults(
+                                tokens,
+                                self.resultsName,
+                                asList=self.saveAsList
+                                and isinstance(tokens, (ParseResults, list)),
+                                modal=self.modalResults,
+                            )
+                except Exception as err:
+                    # print "Exception raised in user parse action:", err
+                    if self.debugActions.debug_fail:
+                        self.debugActions.debug_fail(
+                            instring, tokens_start, self, err, False
+                        )
+                    raise
+            else:
+                for fn in self.parseAction:
+                    try:
+                        tokens = fn(instring, tokens_start, ret_tokens)
+                    except IndexError as parse_action_exc:
+                        exc = ParseException("exception raised in parse action")
+                        raise exc from parse_action_exc
+
+                    if tokens is not None and tokens is not ret_tokens:
+                        ret_tokens = ParseResults(
+                            tokens,
+                            self.resultsName,
+                            asList=self.saveAsList
+                            and isinstance(tokens, (ParseResults, list)),
+                            modal=self.modalResults,
+                        )
+        if debugging:
+            # print("Matched", self, "->", ret_tokens.as_list())
+            if self.debugActions.debug_match:
+                self.debugActions.debug_match(
+                    instring, tokens_start, loc, self, ret_tokens, False
+                )
+
+        return loc, ret_tokens
+
+    def try_parse(self, instring: str, loc: int, raise_fatal: bool = False) -> int:
+        try:
+            return self._parse(instring, loc, doActions=False)[0]
+        except ParseFatalException:
+            if raise_fatal:
+                raise
+            raise ParseException(instring, loc, self.errmsg, self)
+
+    def can_parse_next(self, instring: str, loc: int) -> bool:
+        try:
+            self.try_parse(instring, loc)
+        except (ParseException, IndexError):
+            return False
+        else:
+            return True
+
+    # cache for left-recursion in Forward references
+    recursion_lock = RLock()
+    recursion_memos: DictType[
+        Tuple[int, "Forward", bool], Tuple[int, Union[ParseResults, Exception]]
+    ] = {}
+
+    # argument cache for optimizing repeated calls when backtracking through recursive expressions
+    packrat_cache = (
+        {}
+    )  # this is set later by enabled_packrat(); this is here so that reset_cache() doesn't fail
+    packrat_cache_lock = RLock()
+    packrat_cache_stats = [0, 0]
+
+    # this method gets repeatedly called during backtracking with the same arguments -
+    # we can cache these arguments and save ourselves the trouble of re-parsing the contained expression
+    def _parseCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        HIT, MISS = 0, 1
+        TRY, MATCH, FAIL = 0, 1, 2
+        lookup = (self, instring, loc, callPreParse, doActions)
+        with ParserElement.packrat_cache_lock:
+            cache = ParserElement.packrat_cache
+            value = cache.get(lookup)
+            if value is cache.not_in_cache:
+                ParserElement.packrat_cache_stats[MISS] += 1
+                try:
+                    value = self._parseNoCache(instring, loc, doActions, callPreParse)
+                except ParseBaseException as pe:
+                    # cache a copy of the exception, without the traceback
+                    cache.set(lookup, pe.__class__(*pe.args))
+                    raise
+                else:
+                    cache.set(lookup, (value[0], value[1].copy(), loc))
+                    return value
+            else:
+                ParserElement.packrat_cache_stats[HIT] += 1
+                if self.debug and self.debugActions.debug_try:
+                    try:
+                        self.debugActions.debug_try(instring, loc, self, cache_hit=True)
+                    except TypeError:
+                        pass
+                if isinstance(value, Exception):
+                    if self.debug and self.debugActions.debug_fail:
+                        try:
+                            self.debugActions.debug_fail(
+                                instring, loc, self, value, cache_hit=True
+                            )
+                        except TypeError:
+                            pass
+                    raise value
+
+                loc_, result, endloc = value[0], value[1].copy(), value[2]
+                if self.debug and self.debugActions.debug_match:
+                    try:
+                        self.debugActions.debug_match(
+                            instring, loc_, endloc, self, result, cache_hit=True
+                        )
+                    except TypeError:
+                        pass
+
+                return loc_, result
+
+    _parse = _parseNoCache
+
+    @staticmethod
+    def reset_cache() -> None:
+        ParserElement.packrat_cache.clear()
+        ParserElement.packrat_cache_stats[:] = [0] * len(
+            ParserElement.packrat_cache_stats
+        )
+        ParserElement.recursion_memos.clear()
+
+    _packratEnabled = False
+    _left_recursion_enabled = False
+
+    @staticmethod
+    def disable_memoization() -> None:
+        """
+        Disables active Packrat or Left Recursion parsing and their memoization
+
+        This method also works if neither Packrat nor Left Recursion are enabled.
+        This makes it safe to call before activating Packrat nor Left Recursion
+        to clear any previous settings.
+        """
+        ParserElement.reset_cache()
+        ParserElement._left_recursion_enabled = False
+        ParserElement._packratEnabled = False
+        ParserElement._parse = ParserElement._parseNoCache
+
+    @staticmethod
+    def enable_left_recursion(
+        cache_size_limit: OptionalType[int] = None, *, force=False
+    ) -> None:
+        """
+        Enables "bounded recursion" parsing, which allows for both direct and indirect
+        left-recursion. During parsing, left-recursive :class:`Forward` elements are
+        repeatedly matched with a fixed recursion depth that is gradually increased
+        until finding the longest match.
+
+        Example::
+
+            from pip._vendor import pyparsing as pp
+            pp.ParserElement.enable_left_recursion()
+
+            E = pp.Forward("E")
+            num = pp.Word(pp.nums)
+            # match `num`, or `num '+' num`, or `num '+' num '+' num`, ...
+            E <<= E + '+' - num | num
+
+            print(E.parse_string("1+2+3"))
+
+        Recursion search naturally memoizes matches of ``Forward`` elements and may
+        thus skip reevaluation of parse actions during backtracking. This may break
+        programs with parse actions which rely on strict ordering of side-effects.
+
+        Parameters:
+
+        - cache_size_limit - (default=``None``) - memoize at most this many
+          ``Forward`` elements during matching; if ``None`` (the default),
+          memoize all ``Forward`` elements.
+
+        Bounded Recursion parsing works similar but not identical to Packrat parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._packratEnabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if cache_size_limit is None:
+            ParserElement.recursion_memos = _UnboundedMemo()
+        elif cache_size_limit > 0:
+            ParserElement.recursion_memos = _LRUMemo(capacity=cache_size_limit)
+        else:
+            raise NotImplementedError("Memo size of %s" % cache_size_limit)
+        ParserElement._left_recursion_enabled = True
+
+    @staticmethod
+    def enable_packrat(cache_size_limit: int = 128, *, force: bool = False) -> None:
+        """
+        Enables "packrat" parsing, which adds memoizing to the parsing logic.
+        Repeated parse attempts at the same string location (which happens
+        often in many complex grammars) can immediately return a cached value,
+        instead of re-executing parsing/validating code.  Memoizing is done of
+        both valid results and parsing exceptions.
+
+        Parameters:
+
+        - cache_size_limit - (default= ``128``) - if an integer value is provided
+          will limit the size of the packrat cache; if None is passed, then
+          the cache size will be unbounded; if 0 is passed, the cache will
+          be effectively disabled.
+
+        This speedup may break existing programs that use parse actions that
+        have side-effects.  For this reason, packrat parsing is disabled when
+        you first import pyparsing.  To activate the packrat feature, your
+        program must call the class method :class:`ParserElement.enable_packrat`.
+        For best results, call ``enable_packrat()`` immediately after
+        importing pyparsing.
+
+        Example::
+
+            from pip._vendor import pyparsing
+            pyparsing.ParserElement.enable_packrat()
+
+        Packrat parsing works similar but not identical to Bounded Recursion parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._left_recursion_enabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if not ParserElement._packratEnabled:
+            ParserElement._packratEnabled = True
+            if cache_size_limit is None:
+                ParserElement.packrat_cache = _UnboundedCache()
+            else:
+                ParserElement.packrat_cache = _FifoCache(cache_size_limit)
+            ParserElement._parse = ParserElement._parseCache
+
+    def parse_string(
+        self, instring: str, parse_all: bool = False, *, parseAll: bool = False
+    ) -> ParseResults:
+        """
+        Parse a string with respect to the parser definition. This function is intended as the primary interface to the
+        client code.
+
+        :param instring: The input string to be parsed.
+        :param parse_all: If set, the entire input string must match the grammar.
+        :param parseAll: retained for pre-PEP8 compatibility, will be removed in a future release.
+        :raises ParseException: Raised if ``parse_all`` is set and the input string does not match the whole grammar.
+        :returns: the parsed data as a :class:`ParseResults` object, which may be accessed as a `list`, a `dict`, or
+          an object with attributes if the given parser includes results names.
+
+        If the input string is required to match the entire grammar, ``parse_all`` flag must be set to ``True``. This
+        is also equivalent to ending the grammar with :class:`StringEnd`().
+
+        To report proper column numbers, ``parse_string`` operates on a copy of the input string where all tabs are
+        converted to spaces (8 spaces per tab, as per the default in ``string.expandtabs``). If the input string
+        contains tabs and the grammar uses parse actions that use the ``loc`` argument to index into the string
+        being parsed, one can ensure a consistent view of the input string by doing one of the following:
+
+        - calling ``parse_with_tabs`` on your grammar before calling ``parse_string`` (see :class:`parse_with_tabs`),
+        - define your parse action using the full ``(s,loc,toks)`` signature, and reference the input string using the
+          parse action's ``s`` argument, or
+        - explicitly expand the tabs in your input string before calling ``parse_string``.
+
+        Examples:
+
+        By default, partial matches are OK.
+
+        >>> res = Word('a').parse_string('aaaaabaaa')
+        >>> print(res)
+        ['aaaaa']
+
+        The parsing behavior varies by the inheriting class of this abstract class. Please refer to the children
+        directly to see more examples.
+
+        It raises an exception if parse_all flag is set and instring does not match the whole grammar.
+
+        >>> res = Word('a').parse_string('aaaaabaaa', parse_all=True)
+        Traceback (most recent call last):
+        ...
+        pyparsing.ParseException: Expected end of text, found 'b'  (at char 5), (line:1, col:6)
+        """
+        parseAll = parse_all or parseAll
+
+        ParserElement.reset_cache()
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+        if not self.keepTabs:
+            instring = instring.expandtabs()
+        try:
+            loc, tokens = self._parse(instring, 0)
+            if parseAll:
+                loc = self.preParse(instring, loc)
+                se = Empty() + StringEnd()
+                se._parse(instring, loc)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clearing out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+        else:
+            return tokens
+
+    def scan_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        overlap: bool = False,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> Generator[Tuple[ParseResults, int, int], None, None]:
+        """
+        Scan the input string for expression matches.  Each match will return the
+        matching tokens, start location, and end location.  May be called with optional
+        ``max_matches`` argument, to clip scanning after 'n' matches are found.  If
+        ``overlap`` is specified, then overlapping matches will be reported.
+
+        Note that the start and end locations are reported relative to the string
+        being parsed.  See :class:`parse_string` for more information on parsing
+        strings with embedded tabs.
+
+        Example::
+
+            source = "sldjf123lsdjjkf345sldkjf879lkjsfd987"
+            print(source)
+            for tokens, start, end in Word(alphas).scan_string(source):
+                print(' '*start + '^'*(end-start))
+                print(' '*start + tokens[0])
+
+        prints::
+
+            sldjf123lsdjjkf345sldkjf879lkjsfd987
+            ^^^^^
+            sldjf
+                    ^^^^^^^
+                    lsdjjkf
+                              ^^^^^^
+                              sldkjf
+                                       ^^^^^^
+                                       lkjsfd
+        """
+        maxMatches = min(maxMatches, max_matches)
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+
+        if not self.keepTabs:
+            instring = str(instring).expandtabs()
+        instrlen = len(instring)
+        loc = 0
+        preparseFn = self.preParse
+        parseFn = self._parse
+        ParserElement.resetCache()
+        matches = 0
+        try:
+            while loc <= instrlen and matches < maxMatches:
+                try:
+                    preloc = preparseFn(instring, loc)
+                    nextLoc, tokens = parseFn(instring, preloc, callPreParse=False)
+                except ParseException:
+                    loc = preloc + 1
+                else:
+                    if nextLoc > loc:
+                        matches += 1
+                        if debug:
+                            print(
+                                {
+                                    "tokens": tokens.asList(),
+                                    "start": preloc,
+                                    "end": nextLoc,
+                                }
+                            )
+                        yield tokens, preloc, nextLoc
+                        if overlap:
+                            nextloc = preparseFn(instring, loc)
+                            if nextloc > loc:
+                                loc = nextLoc
+                            else:
+                                loc += 1
+                        else:
+                            loc = nextLoc
+                    else:
+                        loc = preloc + 1
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def transform_string(self, instring: str, *, debug: bool = False) -> str:
+        """
+        Extension to :class:`scan_string`, to modify matching text with modified tokens that may
+        be returned from a parse action.  To use ``transform_string``, define a grammar and
+        attach a parse action to it that modifies the returned token list.
+        Invoking ``transform_string()`` on a target string will then scan for matches,
+        and replace the matched text patterns according to the logic in the parse
+        action.  ``transform_string()`` returns the resulting transformed string.
+
+        Example::
+
+            wd = Word(alphas)
+            wd.set_parse_action(lambda toks: toks[0].title())
+
+            print(wd.transform_string("now is the winter of our discontent made glorious summer by this sun of york."))
+
+        prints::
+
+            Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York.
+        """
+        out: List[str] = []
+        lastE = 0
+        # force preservation of <TAB>s, to minimize unwanted transformation of string, and to
+        # keep string locs straight between transform_string and scan_string
+        self.keepTabs = True
+        try:
+            for t, s, e in self.scan_string(instring, debug=debug):
+                out.append(instring[lastE:s])
+                if t:
+                    if isinstance(t, ParseResults):
+                        out += t.as_list()
+                    elif isinstance(t, Iterable) and not isinstance(t, str_type):
+                        out.extend(t)
+                    else:
+                        out.append(t)
+                lastE = e
+            out.append(instring[lastE:])
+            out = [o for o in out if o]
+            return "".join([str(s) for s in _flatten(out)])
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def search_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> ParseResults:
+        """
+        Another extension to :class:`scan_string`, simplifying the access to the tokens found
+        to match the given parse expression.  May be called with optional
+        ``max_matches`` argument, to clip searching after 'n' matches are found.
+
+        Example::
+
+            # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters
+            cap_word = Word(alphas.upper(), alphas.lower())
+
+            print(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity"))
+
+            # the sum() builtin can be used to merge results into a single ParseResults object
+            print(sum(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity")))
+
+        prints::
+
+            [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']]
+            ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity']
+        """
+        maxMatches = min(maxMatches, max_matches)
+        try:
+            return ParseResults(
+                [t for t, s, e in self.scan_string(instring, maxMatches, debug=debug)]
+            )
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def split(
+        self,
+        instring: str,
+        maxsplit: int = _MAX_INT,
+        include_separators: bool = False,
+        *,
+        includeSeparators=False,
+    ) -> Generator[str, None, None]:
+        """
+        Generator method to split a string using the given expression as a separator.
+        May be called with optional ``maxsplit`` argument, to limit the number of splits;
+        and the optional ``include_separators`` argument (default= ``False``), if the separating
+        matching text should be included in the split results.
+
+        Example::
+
+            punc = one_of(list(".,;:/-!?"))
+            print(list(punc.split("This, this?, this sentence, is badly punctuated!")))
+
+        prints::
+
+            ['This', ' this', '', ' this sentence', ' is badly punctuated', '']
+        """
+        includeSeparators = includeSeparators or include_separators
+        last = 0
+        for t, s, e in self.scan_string(instring, max_matches=maxsplit):
+            yield instring[last:s]
+            if includeSeparators:
+                yield t[0]
+            last = e
+        yield instring[last:]
+
+    def __add__(self, other):
+        """
+        Implementation of ``+`` operator - returns :class:`And`. Adding strings to a :class:`ParserElement`
+        converts them to :class:`Literal`s by default.
+
+        Example::
+
+            greet = Word(alphas) + "," + Word(alphas) + "!"
+            hello = "Hello, World!"
+            print(hello, "->", greet.parse_string(hello))
+
+        prints::
+
+            Hello, World! -> ['Hello', ',', 'World', '!']
+
+        ``...`` may be used as a parse expression as a short form of :class:`SkipTo`.
+
+            Literal('start') + ... + Literal('end')
+
+        is equivalent to:
+
+            Literal('start') + SkipTo('end')("_skipped*") + Literal('end')
+
+        Note that the skipped text is returned with '_skipped' as a results name,
+        and to support having multiple skips in the same parser, the value returned is
+        a list of all skipped text.
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self)
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return And([self, other])
+
+    def __radd__(self, other):
+        """
+        Implementation of ``+`` operator when left operand is not a :class:`ParserElement`
+        """
+        if other is Ellipsis:
+            return SkipTo(self)("_skipped*") + self
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other + self
+
+    def __sub__(self, other):
+        """
+        Implementation of ``-`` operator, returns :class:`And` with error stop
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return self + And._ErrorStop() + other
+
+    def __rsub__(self, other):
+        """
+        Implementation of ``-`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other - self
+
+    def __mul__(self, other):
+        """
+        Implementation of ``*`` operator, allows use of ``expr * 3`` in place of
+        ``expr + expr + expr``.  Expressions may also be multiplied by a 2-integer
+        tuple, similar to ``{min, max}`` multipliers in regular expressions.  Tuples
+        may also include ``None`` as in:
+        - ``expr*(n, None)`` or ``expr*(n, )`` is equivalent
+             to ``expr*n + ZeroOrMore(expr)``
+             (read as "at least n instances of ``expr``")
+        - ``expr*(None, n)`` is equivalent to ``expr*(0, n)``
+             (read as "0 to n instances of ``expr``")
+        - ``expr*(None, None)`` is equivalent to ``ZeroOrMore(expr)``
+        - ``expr*(1, None)`` is equivalent to ``OneOrMore(expr)``
+
+        Note that ``expr*(None, n)`` does not raise an exception if
+        more than n exprs exist in the input stream; that is,
+        ``expr*(None, n)`` does not enforce a maximum number of expr
+        occurrences.  If this behavior is desired, then write
+        ``expr*(None, n) + ~expr``
+        """
+        if other is Ellipsis:
+            other = (0, None)
+        elif isinstance(other, tuple) and other[:1] == (Ellipsis,):
+            other = ((0,) + other[1:] + (None,))[:2]
+
+        if isinstance(other, int):
+            minElements, optElements = other, 0
+        elif isinstance(other, tuple):
+            other = tuple(o if o is not Ellipsis else None for o in other)
+            other = (other + (None, None))[:2]
+            if other[0] is None:
+                other = (0, other[1])
+            if isinstance(other[0], int) and other[1] is None:
+                if other[0] == 0:
+                    return ZeroOrMore(self)
+                if other[0] == 1:
+                    return OneOrMore(self)
+                else:
+                    return self * other[0] + ZeroOrMore(self)
+            elif isinstance(other[0], int) and isinstance(other[1], int):
+                minElements, optElements = other
+                optElements -= minElements
+            else:
+                raise TypeError(
+                    "cannot multiply ParserElement and ({}) objects".format(
+                        ",".join(type(item).__name__ for item in other)
+                    )
+                )
+        else:
+            raise TypeError(
+                "cannot multiply ParserElement and {} objects".format(
+                    type(other).__name__
+                )
+            )
+
+        if minElements < 0:
+            raise ValueError("cannot multiply ParserElement by negative value")
+        if optElements < 0:
+            raise ValueError(
+                "second tuple value must be greater or equal to first tuple value"
+            )
+        if minElements == optElements == 0:
+            return And([])
+
+        if optElements:
+
+            def makeOptionalList(n):
+                if n > 1:
+                    return Opt(self + makeOptionalList(n - 1))
+                else:
+                    return Opt(self)
+
+            if minElements:
+                if minElements == 1:
+                    ret = self + makeOptionalList(optElements)
+                else:
+                    ret = And([self] * minElements) + makeOptionalList(optElements)
+            else:
+                ret = makeOptionalList(optElements)
+        else:
+            if minElements == 1:
+                ret = self
+            else:
+                ret = And([self] * minElements)
+        return ret
+
+    def __rmul__(self, other):
+        return self.__mul__(other)
+
+    def __or__(self, other):
+        """
+        Implementation of ``|`` operator - returns :class:`MatchFirst`
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self, must_skip=True)
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return MatchFirst([self, other])
+
+    def __ror__(self, other):
+        """
+        Implementation of ``|`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other | self
+
+    def __xor__(self, other):
+        """
+        Implementation of ``^`` operator - returns :class:`Or`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return Or([self, other])
+
+    def __rxor__(self, other):
+        """
+        Implementation of ``^`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other ^ self
+
+    def __and__(self, other):
+        """
+        Implementation of ``&`` operator - returns :class:`Each`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return Each([self, other])
+
+    def __rand__(self, other):
+        """
+        Implementation of ``&`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other & self
+
+    def __invert__(self):
+        """
+        Implementation of ``~`` operator - returns :class:`NotAny`
+        """
+        return NotAny(self)
+
+    # disable __iter__ to override legacy use of sequential access to __getitem__ to
+    # iterate over a sequence
+    __iter__ = None
+
+    def __getitem__(self, key):
+        """
+        use ``[]`` indexing notation as a short form for expression repetition:
+
+        - ``expr[n]`` is equivalent to ``expr*n``
+        - ``expr[m, n]`` is equivalent to ``expr*(m, n)``
+        - ``expr[n, ...]`` or ``expr[n,]`` is equivalent
+             to ``expr*n + ZeroOrMore(expr)``
+             (read as "at least n instances of ``expr``")
+        - ``expr[..., n]`` is equivalent to ``expr*(0, n)``
+             (read as "0 to n instances of ``expr``")
+        - ``expr[...]`` and ``expr[0, ...]`` are equivalent to ``ZeroOrMore(expr)``
+        - ``expr[1, ...]`` is equivalent to ``OneOrMore(expr)``
+
+        ``None`` may be used in place of ``...``.
+
+        Note that ``expr[..., n]`` and ``expr[m, n]``do not raise an exception
+        if more than ``n`` ``expr``s exist in the input stream.  If this behavior is
+        desired, then write ``expr[..., n] + ~expr``.
+        """
+
+        # convert single arg keys to tuples
+        try:
+            if isinstance(key, str_type):
+                key = (key,)
+            iter(key)
+        except TypeError:
+            key = (key, key)
+
+        if len(key) > 2:
+            raise TypeError(
+                "only 1 or 2 index arguments supported ({}{})".format(
+                    key[:5], "... [{}]".format(len(key)) if len(key) > 5 else ""
+                )
+            )
+
+        # clip to 2 elements
+        ret = self * tuple(key[:2])
+        return ret
+
+    def __call__(self, name: str = None):
+        """
+        Shortcut for :class:`set_results_name`, with ``list_all_matches=False``.
+
+        If ``name`` is given with a trailing ``'*'`` character, then ``list_all_matches`` will be
+        passed as ``True``.
+
+        If ``name` is omitted, same as calling :class:`copy`.
+
+        Example::
+
+            # these are equivalent
+            userdata = Word(alphas).set_results_name("name") + Word(nums + "-").set_results_name("socsecno")
+            userdata = Word(alphas)("name") + Word(nums + "-")("socsecno")
+        """
+        if name is not None:
+            return self._setResultsName(name)
+        else:
+            return self.copy()
+
+    def suppress(self) -> "ParserElement":
+        """
+        Suppresses the output of this :class:`ParserElement`; useful to keep punctuation from
+        cluttering up returned output.
+        """
+        return Suppress(self)
+
+    def ignore_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Enables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.
+
+        :param recursive: If ``True`` (the default), also enable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = True
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Disables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.  This is normally only used internally by
+        the pyparsing module, but may be needed in some whitespace-sensitive grammars.
+
+        :param recursive: If true (the default), also disable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = False
+        return self
+
+    def set_whitespace_chars(
+        self, chars: Union[Set[str], str], copy_defaults: bool = False
+    ) -> "ParserElement":
+        """
+        Overrides the default whitespace chars
+        """
+        self.skipWhitespace = True
+        self.whiteChars = set(chars)
+        self.copyDefaultWhiteChars = copy_defaults
+        return self
+
+    def parse_with_tabs(self) -> "ParserElement":
+        """
+        Overrides default behavior to expand ``<TAB>`` s to spaces before parsing the input string.
+        Must be called before ``parse_string`` when the input grammar contains elements that
+        match ``<TAB>`` characters.
+        """
+        self.keepTabs = True
+        return self
+
+    def ignore(self, other: "ParserElement") -> "ParserElement":
+        """
+        Define expression to be ignored (e.g., comments) while doing pattern
+        matching; may be called repeatedly, to define multiple comment or other
+        ignorable patterns.
+
+        Example::
+
+            patt = OneOrMore(Word(alphas))
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj']
+
+            patt.ignore(c_style_comment)
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj', 'lskjd']
+        """
+        import typing
+
+        if isinstance(other, str_type):
+            other = Suppress(other)
+
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                self.ignoreExprs.append(other)
+        else:
+            self.ignoreExprs.append(Suppress(other.copy()))
+        return self
+
+    def set_debug_actions(
+        self,
+        start_action: DebugStartAction,
+        success_action: DebugSuccessAction,
+        exception_action: DebugExceptionAction,
+    ) -> "ParserElement":
+        """
+        Customize display of debugging messages while doing pattern matching:
+
+        - ``start_action`` - method to be called when an expression is about to be parsed;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, cache_hit: bool)``
+
+        - ``success_action`` - method to be called when an expression has successfully parsed;
+          should have the signature ``fn(input_string: str, start_location: int, end_location: int, expression: ParserELement, parsed_tokens: ParseResults, cache_hit: bool)``
+
+        - ``exception_action`` - method to be called when expression fails to parse;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, exception: Exception, cache_hit: bool)``
+        """
+        self.debugActions = self.DebugActions(
+            start_action or _default_start_debug_action,
+            success_action or _default_success_debug_action,
+            exception_action or _default_exception_debug_action,
+        )
+        self.debug = True
+        return self
+
+    def set_debug(self, flag: bool = True) -> "ParserElement":
+        """
+        Enable display of debugging messages while doing pattern matching.
+        Set ``flag`` to ``True`` to enable, ``False`` to disable.
+
+        Example::
+
+            wd = Word(alphas).set_name("alphaword")
+            integer = Word(nums).set_name("numword")
+            term = wd | integer
+
+            # turn on debugging for wd
+            wd.set_debug()
+
+            OneOrMore(term).parse_string("abc 123 xyz 890")
+
+        prints::
+
+            Match alphaword at loc 0(1,1)
+            Matched alphaword -> ['abc']
+            Match alphaword at loc 3(1,4)
+            Exception raised:Expected alphaword (at char 4), (line:1, col:5)
+            Match alphaword at loc 7(1,8)
+            Matched alphaword -> ['xyz']
+            Match alphaword at loc 11(1,12)
+            Exception raised:Expected alphaword (at char 12), (line:1, col:13)
+            Match alphaword at loc 15(1,16)
+            Exception raised:Expected alphaword (at char 15), (line:1, col:16)
+
+        The output shown is that produced by the default debug actions - custom debug actions can be
+        specified using :class:`set_debug_actions`. Prior to attempting
+        to match the ``wd`` expression, the debugging message ``"Match <exprname> at loc <n>(<line>,<col>)"``
+        is shown. Then if the parse succeeds, a ``"Matched"`` message is shown, or an ``"Exception raised"``
+        message is shown. Also note the use of :class:`set_name` to assign a human-readable name to the expression,
+        which makes debugging and exception messages easier to understand - for instance, the default
+        name created for the :class:`Word` expression without calling ``set_name`` is ``"W:(A-Za-z)"``.
+        """
+        if flag:
+            self.set_debug_actions(
+                _default_start_debug_action,
+                _default_success_debug_action,
+                _default_exception_debug_action,
+            )
+        else:
+            self.debug = False
+        return self
+
+    @property
+    def default_name(self) -> str:
+        if self._defaultName is None:
+            self._defaultName = self._generateDefaultName()
+        return self._defaultName
+
+    @abstractmethod
+    def _generateDefaultName(self):
+        """
+        Child classes must define this method, which defines how the ``default_name`` is set.
+        """
+
+    def set_name(self, name: str) -> "ParserElement":
+        """
+        Define name for this expression, makes debugging and exception messages clearer.
+        Example::
+            Word(nums).parse_string("ABC")  # -> Exception: Expected W:(0-9) (at char 0), (line:1, col:1)
+            Word(nums).set_name("integer").parse_string("ABC")  # -> Exception: Expected integer (at char 0), (line:1, col:1)
+        """
+        self.customName = name
+        self.errmsg = "Expected " + self.name
+        if __diag__.enable_debug_on_named_expressions:
+            self.set_debug()
+        return self
+
+    @property
+    def name(self) -> str:
+        # This will use a user-defined name if available, but otherwise defaults back to the auto-generated name
+        return self.customName if self.customName is not None else self.default_name
+
+    def __str__(self) -> str:
+        return self.name
+
+    def __repr__(self) -> str:
+        return str(self)
+
+    def streamline(self) -> "ParserElement":
+        self.streamlined = True
+        self._defaultName = None
+        return self
+
+    def recurse(self) -> Sequence["ParserElement"]:
+        return []
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.recurse():
+            e._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        """
+        Check defined expressions for valid structure, check for infinite recursive definitions.
+        """
+        self._checkRecursion([])
+
+    def parse_file(
+        self,
+        file_or_filename: Union[str, Path, TextIO],
+        encoding: str = "utf-8",
+        parse_all: bool = False,
+        *,
+        parseAll: bool = False,
+    ) -> ParseResults:
+        """
+        Execute the parse expression on the given file or filename.
+        If a filename is specified (instead of a file object),
+        the entire file is opened, read, and closed before parsing.
+        """
+        parseAll = parseAll or parse_all
+        try:
+            file_contents = file_or_filename.read()
+        except AttributeError:
+            with open(file_or_filename, "r", encoding=encoding) as f:
+                file_contents = f.read()
+        try:
+            return self.parse_string(file_contents, parseAll)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def __eq__(self, other):
+        if self is other:
+            return True
+        elif isinstance(other, str_type):
+            return self.matches(other, parse_all=True)
+        elif isinstance(other, ParserElement):
+            return vars(self) == vars(other)
+        return False
+
+    def __hash__(self):
+        return id(self)
+
+    def matches(
+        self, test_string: str, parse_all: bool = True, *, parseAll: bool = True
+    ) -> bool:
+        """
+        Method for quick testing of a parser against a test string. Good for simple
+        inline microtests of sub expressions while building up larger parser.
+
+        Parameters:
+        - ``test_string`` - to test against this expression for a match
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+
+        Example::
+
+            expr = Word(nums)
+            assert expr.matches("100")
+        """
+        parseAll = parseAll and parse_all
+        try:
+            self.parse_string(str(test_string), parse_all=parseAll)
+            return True
+        except ParseBaseException:
+            return False
+
+    def run_tests(
+        self,
+        tests: Union[str, List[str]],
+        parse_all: bool = True,
+        comment: OptionalType[Union["ParserElement", str]] = "#",
+        full_dump: bool = True,
+        print_results: bool = True,
+        failure_tests: bool = False,
+        post_parse: Callable[[str, ParseResults], str] = None,
+        file: OptionalType[TextIO] = None,
+        with_line_numbers: bool = False,
+        *,
+        parseAll: bool = True,
+        fullDump: bool = True,
+        printResults: bool = True,
+        failureTests: bool = False,
+        postParse: Callable[[str, ParseResults], str] = None,
+    ) -> Tuple[bool, List[Tuple[str, Union[ParseResults, Exception]]]]:
+        """
+        Execute the parse expression on a series of test strings, showing each
+        test, the parsed results or where the parse failed. Quick and easy way to
+        run a parse expression against a list of sample strings.
+
+        Parameters:
+        - ``tests`` - a list of separate test strings, or a multiline string of test strings
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+        - ``comment`` - (default= ``'#'``) - expression for indicating embedded comments in the test
+          string; pass None to disable comment filtering
+        - ``full_dump`` - (default= ``True``) - dump results as list followed by results names in nested outline;
+          if False, only dump nested list
+        - ``print_results`` - (default= ``True``) prints test output to stdout
+        - ``failure_tests`` - (default= ``False``) indicates if these tests are expected to fail parsing
+        - ``post_parse`` - (default= ``None``) optional callback for successful parse results; called as
+          `fn(test_string, parse_results)` and returns a string to be added to the test output
+        - ``file`` - (default= ``None``) optional file-like object to which test output will be written;
+          if None, will default to ``sys.stdout``
+        - ``with_line_numbers`` - default= ``False``) show test strings with line and column numbers
+
+        Returns: a (success, results) tuple, where success indicates that all tests succeeded
+        (or failed if ``failure_tests`` is True), and the results contain a list of lines of each
+        test's output
+
+        Example::
+
+            number_expr = pyparsing_common.number.copy()
+
+            result = number_expr.run_tests('''
+                # unsigned integer
+                100
+                # negative integer
+                -100
+                # float with scientific notation
+                6.02e23
+                # integer with scientific notation
+                1e-12
+                ''')
+            print("Success" if result[0] else "Failed!")
+
+            result = number_expr.run_tests('''
+                # stray character
+                100Z
+                # missing leading digit before '.'
+                -.100
+                # too many '.'
+                3.14.159
+                ''', failure_tests=True)
+            print("Success" if result[0] else "Failed!")
+
+        prints::
+
+            # unsigned integer
+            100
+            [100]
+
+            # negative integer
+            -100
+            [-100]
+
+            # float with scientific notation
+            6.02e23
+            [6.02e+23]
+
+            # integer with scientific notation
+            1e-12
+            [1e-12]
+
+            Success
+
+            # stray character
+            100Z
+               ^
+            FAIL: Expected end of text (at char 3), (line:1, col:4)
+
+            # missing leading digit before '.'
+            -.100
+            ^
+            FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1)
+
+            # too many '.'
+            3.14.159
+                ^
+            FAIL: Expected end of text (at char 4), (line:1, col:5)
+
+            Success
+
+        Each test string must be on a single line. If you want to test a string that spans multiple
+        lines, create a test like this::
+
+            expr.run_tests(r"this is a test\\n of strings that spans \\n 3 lines")
+
+        (Note that this is a raw string literal, you must include the leading ``'r'``.)
+        """
+        from .testing import pyparsing_test
+
+        parseAll = parseAll and parse_all
+        fullDump = fullDump and full_dump
+        printResults = printResults and print_results
+        failureTests = failureTests or failure_tests
+        postParse = postParse or post_parse
+        if isinstance(tests, str_type):
+            line_strip = type(tests).strip
+            tests = [line_strip(test_line) for test_line in tests.rstrip().splitlines()]
+        if isinstance(comment, str_type):
+            comment = Literal(comment)
+        if file is None:
+            file = sys.stdout
+        print_ = file.write
+
+        result: Union[ParseResults, Exception]
+        allResults = []
+        comments = []
+        success = True
+        NL = Literal(r"\n").add_parse_action(replace_with("\n")).ignore(quoted_string)
+        BOM = "\ufeff"
+        for t in tests:
+            if comment is not None and comment.matches(t, False) or comments and not t:
+                comments.append(
+                    pyparsing_test.with_line_numbers(t) if with_line_numbers else t
+                )
+                continue
+            if not t:
+                continue
+            out = [
+                "\n" + "\n".join(comments) if comments else "",
+                pyparsing_test.with_line_numbers(t) if with_line_numbers else t,
+            ]
+            comments = []
+            try:
+                # convert newline marks to actual newlines, and strip leading BOM if present
+                t = NL.transform_string(t.lstrip(BOM))
+                result = self.parse_string(t, parse_all=parseAll)
+            except ParseBaseException as pe:
+                fatal = "(FATAL)" if isinstance(pe, ParseFatalException) else ""
+                out.append(pe.explain())
+                out.append("FAIL: " + str(pe))
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(pe.__traceback__))
+                success = success and failureTests
+                result = pe
+            except Exception as exc:
+                out.append("FAIL-EXCEPTION: {}: {}".format(type(exc).__name__, exc))
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(exc.__traceback__))
+                success = success and failureTests
+                result = exc
+            else:
+                success = success and not failureTests
+                if postParse is not None:
+                    try:
+                        pp_value = postParse(t, result)
+                        if pp_value is not None:
+                            if isinstance(pp_value, ParseResults):
+                                out.append(pp_value.dump())
+                            else:
+                                out.append(str(pp_value))
+                        else:
+                            out.append(result.dump())
+                    except Exception as e:
+                        out.append(result.dump(full=fullDump))
+                        out.append(
+                            "{} failed: {}: {}".format(
+                                postParse.__name__, type(e).__name__, e
+                            )
+                        )
+                else:
+                    out.append(result.dump(full=fullDump))
+            out.append("")
+
+            if printResults:
+                print_("\n".join(out))
+
+            allResults.append((t, result))
+
+        return success, allResults
+
+    def create_diagram(
+        self,
+        output_html: Union[TextIO, Path, str],
+        vertical: int = 3,
+        show_results_names: bool = False,
+        **kwargs,
+    ) -> None:
+        """
+        Create a railroad diagram for the parser.
+
+        Parameters:
+        - output_html (str or file-like object) - output target for generated
+          diagram HTML
+        - vertical (int) - threshold for formatting multiple alternatives vertically
+          instead of horizontally (default=3)
+        - show_results_names - bool flag whether diagram should show annotations for
+          defined results names
+
+        Additional diagram-formatting keyword arguments can also be included;
+        see railroad.Diagram class.
+        """
+
+        try:
+            from .diagram import to_railroad, railroad_to_html
+        except ImportError as ie:
+            raise Exception(
+                "must ``pip install pyparsing[diagrams]`` to generate parser railroad diagrams"
+            ) from ie
+
+        self.streamline()
+
+        railroad = to_railroad(
+            self,
+            vertical=vertical,
+            show_results_names=show_results_names,
+            diagram_kwargs=kwargs,
+        )
+        if isinstance(output_html, (str, Path)):
+            with open(output_html, "w", encoding="utf-8") as diag_file:
+                diag_file.write(railroad_to_html(railroad))
+        else:
+            # we were passed a file-like object, just write to it
+            output_html.write(railroad_to_html(railroad))
+
+    setDefaultWhitespaceChars = set_default_whitespace_chars
+    inlineLiteralsUsing = inline_literals_using
+    setResultsName = set_results_name
+    setBreak = set_break
+    setParseAction = set_parse_action
+    addParseAction = add_parse_action
+    addCondition = add_condition
+    setFailAction = set_fail_action
+    tryParse = try_parse
+    canParseNext = can_parse_next
+    resetCache = reset_cache
+    enableLeftRecursion = enable_left_recursion
+    enablePackrat = enable_packrat
+    parseString = parse_string
+    scanString = scan_string
+    searchString = search_string
+    transformString = transform_string
+    setWhitespaceChars = set_whitespace_chars
+    parseWithTabs = parse_with_tabs
+    setDebugActions = set_debug_actions
+    setDebug = set_debug
+    defaultName = default_name
+    setName = set_name
+    parseFile = parse_file
+    runTests = run_tests
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class _PendingSkip(ParserElement):
+    # internal placeholder class to hold a place were '...' is added to a parser element,
+    # once another ParserElement is added, this placeholder will be replaced with a SkipTo
+    def __init__(self, expr: ParserElement, must_skip: bool = False):
+        super().__init__()
+        self.anchor = expr
+        self.must_skip = must_skip
+
+    def _generateDefaultName(self):
+        return str(self.anchor + Empty()).replace("Empty", "...")
+
+    def __add__(self, other):
+        skipper = SkipTo(other).set_name("...")("_skipped*")
+        if self.must_skip:
+
+            def must_skip(t):
+                if not t._skipped or t._skipped.as_list() == [""]:
+                    del t[0]
+                    t.pop("_skipped", None)
+
+            def show_skip(t):
+                if t._skipped.as_list()[-1:] == [""]:
+                    t.pop("_skipped")
+                    t["_skipped"] = "missing <" + repr(self.anchor) + ">"
+
+            return (
+                self.anchor + skipper().add_parse_action(must_skip)
+                | skipper().add_parse_action(show_skip)
+            ) + other
+
+        return self.anchor + skipper + other
+
+    def __repr__(self):
+        return self.defaultName
+
+    def parseImpl(self, *args):
+        raise Exception(
+            "use of `...` expression without following SkipTo target expression"
+        )
+
+
+class Token(ParserElement):
+    """Abstract :class:`ParserElement` subclass, for defining atomic
+    matching patterns.
+    """
+
+    def __init__(self):
+        super().__init__(savelist=False)
+
+    def _generateDefaultName(self):
+        return type(self).__name__
+
+
+class Empty(Token):
+    """
+    An empty token, will always match.
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class NoMatch(Token):
+    """
+    A token that will never match.
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.errmsg = "Unmatchable token"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Literal(Token):
+    """
+    Token to exactly match a specified string.
+
+    Example::
+
+        Literal('blah').parse_string('blah')  # -> ['blah']
+        Literal('blah').parse_string('blahfooblah')  # -> ['blah']
+        Literal('blah').parse_string('bla')  # -> Exception: Expected "blah"
+
+    For case-insensitive matching, use :class:`CaselessLiteral`.
+
+    For keyword matching (force word break before and after the matched string),
+    use :class:`Keyword` or :class:`CaselessKeyword`.
+    """
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        super().__init__()
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        try:
+            self.firstMatchChar = match_string[0]
+        except IndexError:
+            raise ValueError("null string passed to Literal; use Empty() instead")
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+
+        # Performance tuning: modify __class__ to select
+        # a parseImpl optimized for single-character check
+        if self.matchLen == 1 and type(self) is Literal:
+            self.__class__ = _SingleCharLiteral
+
+    def _generateDefaultName(self):
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar and instring.startswith(
+            self.match, loc
+        ):
+            return loc + self.matchLen, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class _SingleCharLiteral(Literal):
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar:
+            return loc + 1, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+ParserElement._literalStringClass = Literal
+
+
+class Keyword(Token):
+    """
+    Token to exactly match a specified string as a keyword, that is,
+    it must be immediately followed by a non-keyword character.  Compare
+    with :class:`Literal`:
+
+    - ``Literal("if")`` will match the leading ``'if'`` in
+      ``'ifAndOnlyIf'``.
+    - ``Keyword("if")`` will not; it will only match the leading
+      ``'if'`` in ``'if x=1'``, or ``'if(y==2)'``
+
+    Accepts two optional constructor arguments in addition to the
+    keyword string:
+
+    - ``identChars`` is a string of characters that would be valid
+      identifier characters, defaulting to all alphanumerics + "_" and
+      "$"
+    - ``caseless`` allows case-insensitive matching, default is ``False``.
+
+    Example::
+
+        Keyword("start").parse_string("start")  # -> ['start']
+        Keyword("start").parse_string("starting")  # -> Exception
+
+    For case-insensitive matching, use :class:`CaselessKeyword`.
+    """
+
+    DEFAULT_KEYWORD_CHARS = alphanums + "_$"
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: OptionalType[str] = None,
+        caseless: bool = False,
+        *,
+        matchString: str = "",
+        identChars: OptionalType[str] = None,
+    ):
+        super().__init__()
+        identChars = identChars or ident_chars
+        if identChars is None:
+            identChars = Keyword.DEFAULT_KEYWORD_CHARS
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        try:
+            self.firstMatchChar = match_string[0]
+        except IndexError:
+            raise ValueError("null string passed to Keyword; use Empty() instead")
+        self.errmsg = "Expected {} {}".format(type(self).__name__, self.name)
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+        self.caseless = caseless
+        if caseless:
+            self.caselessmatch = match_string.upper()
+            identChars = identChars.upper()
+        self.identChars = set(identChars)
+
+    def _generateDefaultName(self):
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        errmsg = self.errmsg
+        errloc = loc
+        if self.caseless:
+            if instring[loc : loc + self.matchLen].upper() == self.caselessmatch:
+                if loc == 0 or instring[loc - 1].upper() not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen].upper() not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += ", was immediately followed by keyword character"
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        else:
+            if (
+                instring[loc] == self.firstMatchChar
+                and self.matchLen == 1
+                or instring.startswith(self.match, loc)
+            ):
+                if loc == 0 or instring[loc - 1] not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen] not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += (
+                            ", keyword was immediately followed by keyword character"
+                        )
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        raise ParseException(instring, errloc, errmsg, self)
+
+    @staticmethod
+    def set_default_keyword_chars(chars) -> None:
+        """
+        Overrides the default characters used by :class:`Keyword` expressions.
+        """
+        Keyword.DEFAULT_KEYWORD_CHARS = chars
+
+    setDefaultKeywordChars = set_default_keyword_chars
+
+
+class CaselessLiteral(Literal):
+    """
+    Token to match a specified string, ignoring case of letters.
+    Note: the matched results will always be in the case of the given
+    match string, NOT the case of the input text.
+
+    Example::
+
+        OneOrMore(CaselessLiteral("CMD")).parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessKeyword`.)
+    """
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        match_string = matchString or match_string
+        super().__init__(match_string.upper())
+        # Preserve the defining literal.
+        self.returnString = match_string
+        self.errmsg = "Expected " + self.name
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc : loc + self.matchLen].upper() == self.match:
+            return loc + self.matchLen, self.returnString
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class CaselessKeyword(Keyword):
+    """
+    Caseless version of :class:`Keyword`.
+
+    Example::
+
+        OneOrMore(CaselessKeyword("CMD")).parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessLiteral`.)
+    """
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: OptionalType[str] = None,
+        *,
+        matchString: str = "",
+        identChars: OptionalType[str] = None,
+    ):
+        identChars = identChars or ident_chars
+        match_string = matchString or match_string
+        super().__init__(match_string, identChars, caseless=True)
+
+
+class CloseMatch(Token):
+    """A variation on :class:`Literal` which matches "close" matches,
+    that is, strings with at most 'n' mismatching characters.
+    :class:`CloseMatch` takes parameters:
+
+    - ``match_string`` - string to be matched
+    - ``caseless`` - a boolean indicating whether to ignore casing when comparing characters
+    - ``max_mismatches`` - (``default=1``) maximum number of
+      mismatches allowed to count as a match
+
+    The results from a successful parse will contain the matched text
+    from the input string and the following named results:
+
+    - ``mismatches`` - a list of the positions within the
+      match_string where mismatches were found
+    - ``original`` - the original match_string used to compare
+      against the input string
+
+    If ``mismatches`` is an empty list, then the match was an exact
+    match.
+
+    Example::
+
+        patt = CloseMatch("ATCATCGAATGGA")
+        patt.parse_string("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']})
+        patt.parse_string("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1)
+
+        # exact match
+        patt.parse_string("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']})
+
+        # close match allowing up to 2 mismatches
+        patt = CloseMatch("ATCATCGAATGGA", max_mismatches=2)
+        patt.parse_string("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']})
+    """
+
+    def __init__(
+        self,
+        match_string: str,
+        max_mismatches: int = None,
+        *,
+        maxMismatches: int = 1,
+        caseless=False,
+    ):
+        maxMismatches = max_mismatches if max_mismatches is not None else maxMismatches
+        super().__init__()
+        self.match_string = match_string
+        self.maxMismatches = maxMismatches
+        self.errmsg = "Expected {!r} (with up to {} mismatches)".format(
+            self.match_string, self.maxMismatches
+        )
+        self.caseless = caseless
+        self.mayIndexError = False
+        self.mayReturnEmpty = False
+
+    def _generateDefaultName(self):
+        return "{}:{!r}".format(type(self).__name__, self.match_string)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        instrlen = len(instring)
+        maxloc = start + len(self.match_string)
+
+        if maxloc <= instrlen:
+            match_string = self.match_string
+            match_stringloc = 0
+            mismatches = []
+            maxMismatches = self.maxMismatches
+
+            for match_stringloc, s_m in enumerate(
+                zip(instring[loc:maxloc], match_string)
+            ):
+                src, mat = s_m
+                if self.caseless:
+                    src, mat = src.lower(), mat.lower()
+
+                if src != mat:
+                    mismatches.append(match_stringloc)
+                    if len(mismatches) > maxMismatches:
+                        break
+            else:
+                loc = start + match_stringloc + 1
+                results = ParseResults([instring[start:loc]])
+                results["original"] = match_string
+                results["mismatches"] = mismatches
+                return loc, results
+
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Word(Token):
+    """Token for matching words composed of allowed character sets.
+    Parameters:
+    - ``init_chars`` - string of all characters that should be used to
+      match as a word; "ABC" will match "AAA", "ABAB", "CBAC", etc.;
+      if ``body_chars`` is also specified, then this is the string of
+      initial characters
+    - ``body_chars`` - string of characters that
+      can be used for matching after a matched initial character as
+      given in ``init_chars``; if omitted, same as the initial characters
+      (default=``None``)
+    - ``min`` - minimum number of characters to match (default=1)
+    - ``max`` - maximum number of characters to match (default=0)
+    - ``exact`` - exact number of characters to match (default=0)
+    - ``as_keyword`` - match as a keyword (default=``False``)
+    - ``exclude_chars`` - characters that might be
+      found in the input ``body_chars`` string but which should not be
+      accepted for matching ;useful to define a word of all
+      printables except for one or two characters, for instance
+      (default=``None``)
+
+    :class:`srange` is useful for defining custom character set strings
+    for defining :class:`Word` expressions, using range notation from
+    regular expression character sets.
+
+    A common mistake is to use :class:`Word` to match a specific literal
+    string, as in ``Word("Address")``. Remember that :class:`Word`
+    uses the string argument to define *sets* of matchable characters.
+    This expression would match "Add", "AAA", "dAred", or any other word
+    made up of the characters 'A', 'd', 'r', 'e', and 's'. To match an
+    exact literal string, use :class:`Literal` or :class:`Keyword`.
+
+    pyparsing includes helper strings for building Words:
+
+    - :class:`alphas`
+    - :class:`nums`
+    - :class:`alphanums`
+    - :class:`hexnums`
+    - :class:`alphas8bit` (alphabetic characters in ASCII range 128-255
+      - accented, tilded, umlauted, etc.)
+    - :class:`punc8bit` (non-alphabetic characters in ASCII range
+      128-255 - currency, symbols, superscripts, diacriticals, etc.)
+    - :class:`printables` (any non-whitespace character)
+
+    ``alphas``, ``nums``, and ``printables`` are also defined in several
+    Unicode sets - see :class:`pyparsing_unicode``.
+
+    Example::
+
+        # a word composed of digits
+        integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9"))
+
+        # a word with a leading capital, and zero or more lowercase
+        capital_word = Word(alphas.upper(), alphas.lower())
+
+        # hostnames are alphanumeric, with leading alpha, and '-'
+        hostname = Word(alphas, alphanums + '-')
+
+        # roman numeral (not a strict parser, accepts invalid mix of characters)
+        roman = Word("IVXLCDM")
+
+        # any string of non-whitespace characters, except for ','
+        csv_value = Word(printables, exclude_chars=",")
+    """
+
+    def __init__(
+        self,
+        init_chars: str = "",
+        body_chars: OptionalType[str] = None,
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        as_keyword: bool = False,
+        exclude_chars: OptionalType[str] = None,
+        *,
+        initChars: OptionalType[str] = None,
+        bodyChars: OptionalType[str] = None,
+        asKeyword: bool = False,
+        excludeChars: OptionalType[str] = None,
+    ):
+        initChars = initChars or init_chars
+        bodyChars = bodyChars or body_chars
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__()
+        if not initChars:
+            raise ValueError(
+                "invalid {}, initChars cannot be empty string".format(
+                    type(self).__name__
+                )
+            )
+
+        initChars = set(initChars)
+        self.initChars = initChars
+        if excludeChars:
+            excludeChars = set(excludeChars)
+            initChars -= excludeChars
+            if bodyChars:
+                bodyChars = set(bodyChars) - excludeChars
+        self.initCharsOrig = "".join(sorted(initChars))
+
+        if bodyChars:
+            self.bodyCharsOrig = "".join(sorted(bodyChars))
+            self.bodyChars = set(bodyChars)
+        else:
+            self.bodyCharsOrig = "".join(sorted(initChars))
+            self.bodyChars = set(initChars)
+
+        self.maxSpecified = max > 0
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use Opt(Word()) if zero-length word is permitted"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asKeyword = asKeyword
+
+        # see if we can make a regex for this Word
+        if " " not in self.initChars | self.bodyChars and (min == 1 and exact == 0):
+            if self.bodyChars == self.initChars:
+                if max == 0:
+                    repeat = "+"
+                elif max == 1:
+                    repeat = ""
+                else:
+                    repeat = "{{{},{}}}".format(
+                        self.minLen, "" if self.maxLen == _MAX_INT else self.maxLen
+                    )
+                self.reString = "[{}]{}".format(
+                    _collapse_string_to_ranges(self.initChars),
+                    repeat,
+                )
+            elif len(self.initChars) == 1:
+                if max == 0:
+                    repeat = "*"
+                else:
+                    repeat = "{{0,{}}}".format(max - 1)
+                self.reString = "{}[{}]{}".format(
+                    re.escape(self.initCharsOrig),
+                    _collapse_string_to_ranges(self.bodyChars),
+                    repeat,
+                )
+            else:
+                if max == 0:
+                    repeat = "*"
+                elif max == 2:
+                    repeat = ""
+                else:
+                    repeat = "{{0,{}}}".format(max - 1)
+                self.reString = "[{}][{}]{}".format(
+                    _collapse_string_to_ranges(self.initChars),
+                    _collapse_string_to_ranges(self.bodyChars),
+                    repeat,
+                )
+            if self.asKeyword:
+                self.reString = r"\b" + self.reString + r"\b"
+
+            try:
+                self.re = re.compile(self.reString)
+            except sre_constants.error:
+                self.re = None
+            else:
+                self.re_match = self.re.match
+                self.__class__ = _WordRegex
+
+    def _generateDefaultName(self):
+        def charsAsStr(s):
+            max_repr_len = 16
+            s = _collapse_string_to_ranges(s, re_escape=False)
+            if len(s) > max_repr_len:
+                return s[: max_repr_len - 3] + "..."
+            else:
+                return s
+
+        if self.initChars != self.bodyChars:
+            base = "W:({}, {})".format(
+                charsAsStr(self.initChars), charsAsStr(self.bodyChars)
+            )
+        else:
+            base = "W:({})".format(charsAsStr(self.initChars))
+
+        # add length specification
+        if self.minLen > 1 or self.maxLen != _MAX_INT:
+            if self.minLen == self.maxLen:
+                if self.minLen == 1:
+                    return base[2:]
+                else:
+                    return base + "{{{}}}".format(self.minLen)
+            elif self.maxLen == _MAX_INT:
+                return base + "{{{},...}}".format(self.minLen)
+            else:
+                return base + "{{{},{}}}".format(self.minLen, self.maxLen)
+        return base
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.initChars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        instrlen = len(instring)
+        bodychars = self.bodyChars
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, instrlen)
+        while loc < maxloc and instring[loc] in bodychars:
+            loc += 1
+
+        throwException = False
+        if loc - start < self.minLen:
+            throwException = True
+        elif self.maxSpecified and loc < instrlen and instring[loc] in bodychars:
+            throwException = True
+        elif self.asKeyword:
+            if (
+                start > 0
+                and instring[start - 1] in bodychars
+                or loc < instrlen
+                and instring[loc] in bodychars
+            ):
+                throwException = True
+
+        if throwException:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class _WordRegex(Word):
+    def parseImpl(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        return loc, result.group()
+
+
+class Char(_WordRegex):
+    """A short-cut class for defining :class:`Word` ``(characters, exact=1)``,
+    when defining a match of any single character in a string of
+    characters.
+    """
+
+    def __init__(
+        self,
+        charset: str,
+        as_keyword: bool = False,
+        exclude_chars: OptionalType[str] = None,
+        *,
+        asKeyword: bool = False,
+        excludeChars: OptionalType[str] = None,
+    ):
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__(
+            charset, exact=1, asKeyword=asKeyword, excludeChars=excludeChars
+        )
+        self.reString = "[{}]".format(_collapse_string_to_ranges(self.initChars))
+        if asKeyword:
+            self.reString = r"\b{}\b".format(self.reString)
+        self.re = re.compile(self.reString)
+        self.re_match = self.re.match
+
+
+class Regex(Token):
+    r"""Token for matching strings that match a given regular
+    expression. Defined with string specifying the regular expression in
+    a form recognized by the stdlib Python  `re module <https://docs.python.org/3/library/re.html>`_.
+    If the given regex contains named groups (defined using ``(?P<name>...)``),
+    these will be preserved as named :class:`ParseResults`.
+
+    If instead of the Python stdlib ``re`` module you wish to use a different RE module
+    (such as the ``regex`` module), you can do so by building your ``Regex`` object with
+    a compiled RE that was compiled using ``regex``.
+
+    Example::
+
+        realnum = Regex(r"[+-]?\d+\.\d*")
+        # ref: https://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression
+        roman = Regex(r"M{0,4}(CM|CD|D?{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})")
+
+        # named fields in a regex will be returned as named results
+        date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)')
+
+        # the Regex class will accept re's compiled using the regex module
+        import regex
+        parser = pp.Regex(regex.compile(r'[0-9]'))
+    """
+
+    def __init__(
+        self,
+        pattern: Any,
+        flags: Union[re.RegexFlag, int] = 0,
+        as_group_list: bool = False,
+        as_match: bool = False,
+        *,
+        asGroupList: bool = False,
+        asMatch: bool = False,
+    ):
+        """The parameters ``pattern`` and ``flags`` are passed
+        to the ``re.compile()`` function as-is. See the Python
+        `re module <https://docs.python.org/3/library/re.html>`_ module for an
+        explanation of the acceptable patterns and flags.
+        """
+        super().__init__()
+        asGroupList = asGroupList or as_group_list
+        asMatch = asMatch or as_match
+
+        if isinstance(pattern, str_type):
+            if not pattern:
+                raise ValueError("null string passed to Regex; use Empty() instead")
+
+            self.pattern = pattern
+            self.flags = flags
+
+            try:
+                self.re = re.compile(self.pattern, self.flags)
+                self.reString = self.pattern
+            except sre_constants.error:
+                raise ValueError(
+                    "invalid pattern ({!r}) passed to Regex".format(pattern)
+                )
+
+        elif hasattr(pattern, "pattern") and hasattr(pattern, "match"):
+            self.re = pattern
+            self.pattern = self.reString = pattern.pattern
+            self.flags = flags
+
+        else:
+            raise TypeError(
+                "Regex may only be constructed with a string or a compiled RE object"
+            )
+
+        self.re_match = self.re.match
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.mayReturnEmpty = self.re_match("") is not None
+        self.asGroupList = asGroupList
+        self.asMatch = asMatch
+        if self.asGroupList:
+            self.parseImpl = self.parseImplAsGroupList
+        if self.asMatch:
+            self.parseImpl = self.parseImplAsMatch
+
+    def _generateDefaultName(self):
+        return "Re:({})".format(repr(self.pattern).replace("\\\\", "\\"))
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = ParseResults(result.group())
+        d = result.groupdict()
+        if d:
+            for k, v in d.items():
+                ret[k] = v
+        return loc, ret
+
+    def parseImplAsGroupList(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.groups()
+        return loc, ret
+
+    def parseImplAsMatch(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result
+        return loc, ret
+
+    def sub(self, repl: str) -> ParserElement:
+        r"""
+        Return :class:`Regex` with an attached parse action to transform the parsed
+        result as if called using `re.sub(expr, repl, string) <https://docs.python.org/3/library/re.html#re.sub>`_.
+
+        Example::
+
+            make_html = Regex(r"(\w+):(.*?):").sub(r"<\1>\2</\1>")
+            print(make_html.transform_string("h1:main title:"))
+            # prints "<h1>main title</h1>"
+        """
+        if self.asGroupList:
+            raise TypeError("cannot use sub() with Regex(asGroupList=True)")
+
+        if self.asMatch and callable(repl):
+            raise TypeError("cannot use sub() with a callable with Regex(asMatch=True)")
+
+        if self.asMatch:
+
+            def pa(tokens):
+                return tokens[0].expand(repl)
+
+        else:
+
+            def pa(tokens):
+                return self.re.sub(repl, tokens[0])
+
+        return self.add_parse_action(pa)
+
+
+class QuotedString(Token):
+    r"""
+    Token for matching strings that are delimited by quoting characters.
+
+    Defined with the following parameters:
+
+    - ``quote_char`` - string of one or more characters defining the
+      quote delimiting string
+    - ``esc_char`` - character to re_escape quotes, typically backslash
+      (default= ``None``)
+    - ``esc_quote`` - special quote sequence to re_escape an embedded quote
+      string (such as SQL's ``""`` to re_escape an embedded ``"``)
+      (default= ``None``)
+    - ``multiline`` - boolean indicating whether quotes can span
+      multiple lines (default= ``False``)
+    - ``unquote_results`` - boolean indicating whether the matched text
+      should be unquoted (default= ``True``)
+    - ``end_quote_char`` - string of one or more characters defining the
+      end of the quote delimited string (default= ``None``  => same as
+      quote_char)
+    - ``convert_whitespace_escapes`` - convert escaped whitespace
+      (``'\t'``, ``'\n'``, etc.) to actual whitespace
+      (default= ``True``)
+
+    Example::
+
+        qs = QuotedString('"')
+        print(qs.search_string('lsjdf "This is the quote" sldjf'))
+        complex_qs = QuotedString('{{', end_quote_char='}}')
+        print(complex_qs.search_string('lsjdf {{This is the "quote"}} sldjf'))
+        sql_qs = QuotedString('"', esc_quote='""')
+        print(sql_qs.search_string('lsjdf "This is the quote with ""embedded"" quotes" sldjf'))
+
+    prints::
+
+        [['This is the quote']]
+        [['This is the "quote"']]
+        [['This is the quote with "embedded" quotes']]
+    """
+    ws_map = ((r"\t", "\t"), (r"\n", "\n"), (r"\f", "\f"), (r"\r", "\r"))
+
+    def __init__(
+        self,
+        quote_char: str = "",
+        esc_char: OptionalType[str] = None,
+        esc_quote: OptionalType[str] = None,
+        multiline: bool = False,
+        unquote_results: bool = True,
+        end_quote_char: OptionalType[str] = None,
+        convert_whitespace_escapes: bool = True,
+        *,
+        quoteChar: str = "",
+        escChar: OptionalType[str] = None,
+        escQuote: OptionalType[str] = None,
+        unquoteResults: bool = True,
+        endQuoteChar: OptionalType[str] = None,
+        convertWhitespaceEscapes: bool = True,
+    ):
+        super().__init__()
+        escChar = escChar or esc_char
+        escQuote = escQuote or esc_quote
+        unquoteResults = unquoteResults and unquote_results
+        endQuoteChar = endQuoteChar or end_quote_char
+        convertWhitespaceEscapes = (
+            convertWhitespaceEscapes and convert_whitespace_escapes
+        )
+        quote_char = quoteChar or quote_char
+
+        # remove white space from quote chars - wont work anyway
+        quote_char = quote_char.strip()
+        if not quote_char:
+            raise ValueError("quote_char cannot be the empty string")
+
+        if endQuoteChar is None:
+            endQuoteChar = quote_char
+        else:
+            endQuoteChar = endQuoteChar.strip()
+            if not endQuoteChar:
+                raise ValueError("endQuoteChar cannot be the empty string")
+
+        self.quoteChar = quote_char
+        self.quoteCharLen = len(quote_char)
+        self.firstQuoteChar = quote_char[0]
+        self.endQuoteChar = endQuoteChar
+        self.endQuoteCharLen = len(endQuoteChar)
+        self.escChar = escChar
+        self.escQuote = escQuote
+        self.unquoteResults = unquoteResults
+        self.convertWhitespaceEscapes = convertWhitespaceEscapes
+
+        sep = ""
+        inner_pattern = ""
+
+        if escQuote:
+            inner_pattern += r"{}(?:{})".format(sep, re.escape(escQuote))
+            sep = "|"
+
+        if escChar:
+            inner_pattern += r"{}(?:{}.)".format(sep, re.escape(escChar))
+            sep = "|"
+            self.escCharReplacePattern = re.escape(self.escChar) + "(.)"
+
+        if len(self.endQuoteChar) > 1:
+            inner_pattern += (
+                "{}(?:".format(sep)
+                + "|".join(
+                    "(?:{}(?!{}))".format(
+                        re.escape(self.endQuoteChar[:i]),
+                        re.escape(self.endQuoteChar[i:]),
+                    )
+                    for i in range(len(self.endQuoteChar) - 1, 0, -1)
+                )
+                + ")"
+            )
+            sep = "|"
+
+        if multiline:
+            self.flags = re.MULTILINE | re.DOTALL
+            inner_pattern += r"{}(?:[^{}{}])".format(
+                sep,
+                _escape_regex_range_chars(self.endQuoteChar[0]),
+                (_escape_regex_range_chars(escChar) if escChar is not None else ""),
+            )
+        else:
+            self.flags = 0
+            inner_pattern += r"{}(?:[^{}\n\r{}])".format(
+                sep,
+                _escape_regex_range_chars(self.endQuoteChar[0]),
+                (_escape_regex_range_chars(escChar) if escChar is not None else ""),
+            )
+
+        self.pattern = "".join(
+            [
+                re.escape(self.quoteChar),
+                "(?:",
+                inner_pattern,
+                ")*",
+                re.escape(self.endQuoteChar),
+            ]
+        )
+
+        try:
+            self.re = re.compile(self.pattern, self.flags)
+            self.reString = self.pattern
+            self.re_match = self.re.match
+        except sre_constants.error:
+            raise ValueError(
+                "invalid pattern {!r} passed to Regex".format(self.pattern)
+            )
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.mayReturnEmpty = True
+
+    def _generateDefaultName(self):
+        if self.quoteChar == self.endQuoteChar and isinstance(self.quoteChar, str_type):
+            return "string enclosed in {!r}".format(self.quoteChar)
+
+        return "quoted string, starting with {} ending with {}".format(
+            self.quoteChar, self.endQuoteChar
+        )
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = (
+            instring[loc] == self.firstQuoteChar
+            and self.re_match(instring, loc)
+            or None
+        )
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.group()
+
+        if self.unquoteResults:
+
+            # strip off quotes
+            ret = ret[self.quoteCharLen : -self.endQuoteCharLen]
+
+            if isinstance(ret, str_type):
+                # replace escaped whitespace
+                if "\\" in ret and self.convertWhitespaceEscapes:
+                    for wslit, wschar in self.ws_map:
+                        ret = ret.replace(wslit, wschar)
+
+                # replace escaped characters
+                if self.escChar:
+                    ret = re.sub(self.escCharReplacePattern, r"\g<1>", ret)
+
+                # replace escaped quotes
+                if self.escQuote:
+                    ret = ret.replace(self.escQuote, self.endQuoteChar)
+
+        return loc, ret
+
+
+class CharsNotIn(Token):
+    """Token for matching words composed of characters *not* in a given
+    set (will include whitespace in matched characters if not listed in
+    the provided exclusion set - see example). Defined with string
+    containing all disallowed characters, and an optional minimum,
+    maximum, and/or exact length.  The default value for ``min`` is
+    1 (a minimum value < 1 is not valid); the default values for
+    ``max`` and ``exact`` are 0, meaning no maximum or exact
+    length restriction.
+
+    Example::
+
+        # define a comma-separated-value as anything that is not a ','
+        csv_value = CharsNotIn(',')
+        print(delimited_list(csv_value).parse_string("dkls,lsdkjf,s12 34,@!#,213"))
+
+    prints::
+
+        ['dkls', 'lsdkjf', 's12 34', '@!#', '213']
+    """
+
+    def __init__(
+        self,
+        not_chars: str = "",
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        *,
+        notChars: str = "",
+    ):
+        super().__init__()
+        self.skipWhitespace = False
+        self.notChars = not_chars or notChars
+        self.notCharsSet = set(self.notChars)
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use "
+                "Opt(CharsNotIn()) if zero-length char group is permitted"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = self.minLen == 0
+        self.mayIndexError = False
+
+    def _generateDefaultName(self):
+        not_chars_str = _collapse_string_to_ranges(self.notChars)
+        if len(not_chars_str) > 16:
+            return "!W:({}...)".format(self.notChars[: 16 - 3])
+        else:
+            return "!W:({})".format(self.notChars)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        notchars = self.notCharsSet
+        if instring[loc] in notchars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        maxlen = min(start + self.maxLen, len(instring))
+        while loc < maxlen and instring[loc] not in notchars:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class White(Token):
+    """Special matching class for matching whitespace.  Normally,
+    whitespace is ignored by pyparsing grammars.  This class is included
+    when some whitespace structures are significant.  Define with
+    a string containing the whitespace characters to be matched; default
+    is ``" \\t\\r\\n"``.  Also takes optional ``min``,
+    ``max``, and ``exact`` arguments, as defined for the
+    :class:`Word` class.
+    """
+
+    whiteStrs = {
+        " ": "<SP>",
+        "\t": "<TAB>",
+        "\n": "<LF>",
+        "\r": "<CR>",
+        "\f": "<FF>",
+        "\u00A0": "<NBSP>",
+        "\u1680": "<OGHAM_SPACE_MARK>",
+        "\u180E": "<MONGOLIAN_VOWEL_SEPARATOR>",
+        "\u2000": "<EN_QUAD>",
+        "\u2001": "<EM_QUAD>",
+        "\u2002": "<EN_SPACE>",
+        "\u2003": "<EM_SPACE>",
+        "\u2004": "<THREE-PER-EM_SPACE>",
+        "\u2005": "<FOUR-PER-EM_SPACE>",
+        "\u2006": "<SIX-PER-EM_SPACE>",
+        "\u2007": "<FIGURE_SPACE>",
+        "\u2008": "<PUNCTUATION_SPACE>",
+        "\u2009": "<THIN_SPACE>",
+        "\u200A": "<HAIR_SPACE>",
+        "\u200B": "<ZERO_WIDTH_SPACE>",
+        "\u202F": "<NNBSP>",
+        "\u205F": "<MMSP>",
+        "\u3000": "<IDEOGRAPHIC_SPACE>",
+    }
+
+    def __init__(self, ws: str = " \t\r\n", min: int = 1, max: int = 0, exact: int = 0):
+        super().__init__()
+        self.matchWhite = ws
+        self.set_whitespace_chars(
+            "".join(c for c in self.whiteStrs if c not in self.matchWhite),
+            copy_defaults=True,
+        )
+        # self.leave_whitespace()
+        self.mayReturnEmpty = True
+        self.errmsg = "Expected " + self.name
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+    def _generateDefaultName(self):
+        return "".join(White.whiteStrs[c] for c in self.matchWhite)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.matchWhite:
+            raise ParseException(instring, loc, self.errmsg, self)
+        start = loc
+        loc += 1
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, len(instring))
+        while loc < maxloc and instring[loc] in self.matchWhite:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class PositionToken(Token):
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class GoToColumn(PositionToken):
+    """Token to advance to a specific column of input text; useful for
+    tabular report scraping.
+    """
+
+    def __init__(self, colno: int):
+        super().__init__()
+        self.col = colno
+
+    def preParse(self, instring, loc):
+        if col(loc, instring) != self.col:
+            instrlen = len(instring)
+            if self.ignoreExprs:
+                loc = self._skipIgnorables(instring, loc)
+            while (
+                loc < instrlen
+                and instring[loc].isspace()
+                and col(loc, instring) != self.col
+            ):
+                loc += 1
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        thiscol = col(loc, instring)
+        if thiscol > self.col:
+            raise ParseException(instring, loc, "Text not in expected column", self)
+        newloc = loc + self.col - thiscol
+        ret = instring[loc:newloc]
+        return newloc, ret
+
+
+class LineStart(PositionToken):
+    r"""Matches if current position is at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (LineStart() + 'AAA' + restOfLine).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.leave_whitespace()
+        self.orig_whiteChars = set() | self.whiteChars
+        self.whiteChars.discard("\n")
+        self.skipper = Empty().set_whitespace_chars(self.whiteChars)
+        self.errmsg = "Expected start of line"
+
+    def preParse(self, instring, loc):
+        if loc == 0:
+            return loc
+        else:
+            ret = self.skipper.preParse(instring, loc)
+            if "\n" in self.orig_whiteChars:
+                while instring[ret : ret + 1] == "\n":
+                    ret = self.skipper.preParse(instring, ret + 1)
+            return ret
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) == 1:
+            return loc, []
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class LineEnd(PositionToken):
+    """Matches if current position is at the end of a line within the
+    parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.whiteChars.discard("\n")
+        self.set_whitespace_chars(self.whiteChars, copy_defaults=False)
+        self.errmsg = "Expected end of line"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            if instring[loc] == "\n":
+                return loc + 1, "\n"
+            else:
+                raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class StringStart(PositionToken):
+    """Matches if current position is at the beginning of the parse
+    string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected start of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            # see if entire string up to here is just whitespace and ignoreables
+            if loc != self.preParse(instring, 0):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class StringEnd(PositionToken):
+    """
+    Matches if current position is at the end of the parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected end of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        elif loc > len(instring):
+            return loc, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class WordStart(PositionToken):
+    """Matches if the current position is at the beginning of a
+    :class:`Word`, and is not preceded by any character in a given
+    set of ``word_chars`` (default= ``printables``). To emulate the
+    ``\b`` behavior of regular expressions, use
+    ``WordStart(alphanums)``. ``WordStart`` will also match at
+    the beginning of the string being parsed, or at the beginning of
+    a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.errmsg = "Not at the start of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            if (
+                instring[loc - 1] in self.wordChars
+                or instring[loc] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class WordEnd(PositionToken):
+    """Matches if the current position is at the end of a :class:`Word`,
+    and is not followed by any character in a given set of ``word_chars``
+    (default= ``printables``). To emulate the ``\b`` behavior of
+    regular expressions, use ``WordEnd(alphanums)``. ``WordEnd``
+    will also match at the end of the string being parsed, or at the end
+    of a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.skipWhitespace = False
+        self.errmsg = "Not at the end of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        instrlen = len(instring)
+        if instrlen > 0 and loc < instrlen:
+            if (
+                instring[loc] in self.wordChars
+                or instring[loc - 1] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class ParseExpression(ParserElement):
+    """Abstract subclass of ParserElement, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, exprs: IterableType[ParserElement], savelist: bool = False):
+        super().__init__(savelist)
+        self.exprs: List[ParserElement]
+        if isinstance(exprs, _generatorType):
+            exprs = list(exprs)
+
+        if isinstance(exprs, str_type):
+            self.exprs = [self._literalStringClass(exprs)]
+        elif isinstance(exprs, ParserElement):
+            self.exprs = [exprs]
+        elif isinstance(exprs, Iterable):
+            exprs = list(exprs)
+            # if sequence of strings provided, wrap with Literal
+            if any(isinstance(expr, str_type) for expr in exprs):
+                exprs = (
+                    self._literalStringClass(e) if isinstance(e, str_type) else e
+                    for e in exprs
+                )
+            self.exprs = list(exprs)
+        else:
+            try:
+                self.exprs = list(exprs)
+            except TypeError:
+                self.exprs = [exprs]
+        self.callPreparse = False
+
+    def recurse(self) -> Sequence[ParserElement]:
+        return self.exprs[:]
+
+    def append(self, other) -> ParserElement:
+        self.exprs.append(other)
+        self._defaultName = None
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``leave_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``ignore_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().ignore_whitespace(recursive)
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                for e in self.exprs:
+                    e.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            for e in self.exprs:
+                e.ignore(self.ignoreExprs[-1])
+        return self
+
+    def _generateDefaultName(self):
+        return "{}:({})".format(self.__class__.__name__, str(self.exprs))
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+
+        for e in self.exprs:
+            e.streamline()
+
+        # collapse nested :class:`And`'s of the form ``And(And(And(a, b), c), d)`` to ``And(a, b, c, d)``
+        # but only if there are no parse actions or resultsNames on the nested And's
+        # (likewise for :class:`Or`'s and :class:`MatchFirst`'s)
+        if len(self.exprs) == 2:
+            other = self.exprs[0]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = other.exprs[:] + [self.exprs[1]]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+            other = self.exprs[-1]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = self.exprs[:-1] + other.exprs[:]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+        self.errmsg = "Expected " + str(self)
+
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        tmp = (validateTrace if validateTrace is not None else [])[:] + [self]
+        for e in self.exprs:
+            e.validate(tmp)
+        self._checkRecursion([])
+
+    def copy(self) -> ParserElement:
+        ret = super().copy()
+        ret.exprs = [e.copy() for e in self.exprs]
+        return ret
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in self.exprs:
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class And(ParseExpression):
+    """
+    Requires all given :class:`ParseExpression` s to be found in the given order.
+    Expressions may be separated by whitespace.
+    May be constructed using the ``'+'`` operator.
+    May also be constructed using the ``'-'`` operator, which will
+    suppress backtracking.
+
+    Example::
+
+        integer = Word(nums)
+        name_expr = OneOrMore(Word(alphas))
+
+        expr = And([integer("id"), name_expr("name"), integer("age")])
+        # more easily written as:
+        expr = integer("id") + name_expr("name") + integer("age")
+    """
+
+    class _ErrorStop(Empty):
+        def __init__(self, *args, **kwargs):
+            super().__init__(*args, **kwargs)
+            self.leave_whitespace()
+
+        def _generateDefaultName(self):
+            return "-"
+
+    def __init__(self, exprs_arg: IterableType[ParserElement], savelist: bool = True):
+        exprs: List[ParserElement] = list(exprs_arg)
+        if exprs and Ellipsis in exprs:
+            tmp = []
+            for i, expr in enumerate(exprs):
+                if expr is Ellipsis:
+                    if i < len(exprs) - 1:
+                        skipto_arg: ParserElement = (Empty() + exprs[i + 1]).exprs[-1]
+                        tmp.append(SkipTo(skipto_arg)("_skipped*"))
+                    else:
+                        raise Exception(
+                            "cannot construct And with sequence ending in ..."
+                        )
+                else:
+                    tmp.append(expr)
+            exprs[:] = tmp
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+            if not isinstance(self.exprs[0], White):
+                self.set_whitespace_chars(
+                    self.exprs[0].whiteChars,
+                    copy_defaults=self.exprs[0].copyDefaultWhiteChars,
+                )
+                self.skipWhitespace = self.exprs[0].skipWhitespace
+            else:
+                self.skipWhitespace = False
+        else:
+            self.mayReturnEmpty = True
+        self.callPreparse = True
+
+    def streamline(self) -> ParserElement:
+        # collapse any _PendingSkip's
+        if self.exprs:
+            if any(
+                isinstance(e, ParseExpression)
+                and e.exprs
+                and isinstance(e.exprs[-1], _PendingSkip)
+                for e in self.exprs[:-1]
+            ):
+                for i, e in enumerate(self.exprs[:-1]):
+                    if e is None:
+                        continue
+                    if (
+                        isinstance(e, ParseExpression)
+                        and e.exprs
+                        and isinstance(e.exprs[-1], _PendingSkip)
+                    ):
+                        e.exprs[-1] = e.exprs[-1] + self.exprs[i + 1]
+                        self.exprs[i + 1] = None
+                self.exprs = [e for e in self.exprs if e is not None]
+
+        super().streamline()
+
+        # link any IndentedBlocks to the prior expression
+        for prev, cur in zip(self.exprs, self.exprs[1:]):
+            # traverse cur or any first embedded expr of cur looking for an IndentedBlock
+            # (but watch out for recursive grammar)
+            seen = set()
+            while cur:
+                if id(cur) in seen:
+                    break
+                seen.add(id(cur))
+                if isinstance(cur, IndentedBlock):
+                    prev.add_parse_action(
+                        lambda s, l, t, cur_=cur: setattr(cur_, "parent_anchor", col(l, s))
+                    )
+                    break
+                subs = cur.recurse()
+                cur = next(iter(subs), None)
+
+        self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # pass False as callPreParse arg to _parse for first element, since we already
+        # pre-parsed the string as part of our And pre-parsing
+        loc, resultlist = self.exprs[0]._parse(
+            instring, loc, doActions, callPreParse=False
+        )
+        errorStop = False
+        for e in self.exprs[1:]:
+            # if isinstance(e, And._ErrorStop):
+            if type(e) is And._ErrorStop:
+                errorStop = True
+                continue
+            if errorStop:
+                try:
+                    loc, exprtokens = e._parse(instring, loc, doActions)
+                except ParseSyntaxException:
+                    raise
+                except ParseBaseException as pe:
+                    pe.__traceback__ = None
+                    raise ParseSyntaxException._from_exception(pe)
+                except IndexError:
+                    raise ParseSyntaxException(
+                        instring, len(instring), self.errmsg, self
+                    )
+            else:
+                loc, exprtokens = e._parse(instring, loc, doActions)
+            if exprtokens or exprtokens.haskeys():
+                resultlist += exprtokens
+        return loc, resultlist
+
+    def __iadd__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # And([self, other])
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.exprs:
+            e._checkRecursion(subRecCheckList)
+            if not e.mayReturnEmpty:
+                break
+
+    def _generateDefaultName(self):
+        inner = " ".join(str(e) for e in self.exprs)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "{" + inner + "}"
+
+
+class Or(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    two expressions match, the expression that matches the longest
+    string will be used. May be constructed using the ``'^'``
+    operator.
+
+    Example::
+
+        # construct Or using '^' operator
+
+        number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789"))
+
+    prints::
+
+        [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: IterableType[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+        matches = []
+        fatals = []
+        if all(e.callPreparse for e in self.exprs):
+            loc = self.preParse(instring, loc)
+        for e in self.exprs:
+            try:
+                loc2 = e.try_parse(instring, loc, raise_fatal=True)
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parserElement = e
+                fatals.append(pfe)
+                maxException = None
+                maxExcLoc = -1
+            except ParseException as err:
+                if not fatals:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+            else:
+                # save match among all matches, to retry longest to shortest
+                matches.append((loc2, e))
+
+        if matches:
+            # re-evaluate all matches in descending order of length of match, in case attached actions
+            # might change whether or how much they match of the input.
+            matches.sort(key=itemgetter(0), reverse=True)
+
+            if not doActions:
+                # no further conditions or parse actions to change the selection of
+                # alternative, so the first match will be the best match
+                best_expr = matches[0][1]
+                return best_expr._parse(instring, loc, doActions)
+
+            longest = -1, None
+            for loc1, expr1 in matches:
+                if loc1 <= longest[0]:
+                    # already have a longer match than this one will deliver, we are done
+                    return longest
+
+                try:
+                    loc2, toks = expr1._parse(instring, loc, doActions)
+                except ParseException as err:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+                else:
+                    if loc2 >= loc1:
+                        return loc2, toks
+                    # didn't match as much as before
+                    elif loc2 > longest[0]:
+                        longest = loc2, toks
+
+            if longest != (-1, None):
+                return longest
+
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parserElement))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if maxException is not None:
+            maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ixor__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # Or([self, other])
+
+    def _generateDefaultName(self):
+        return "{" + " ^ ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class MatchFirst(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    more than one expression matches, the first one listed is the one that will
+    match. May be constructed using the ``'|'`` operator.
+
+    Example::
+
+        # construct MatchFirst using '|' operator
+
+        # watch the order of expressions to match
+        number = Word(nums) | Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789")) #  Fail! -> [['123'], ['3'], ['1416'], ['789']]
+
+        # put more selective expression first
+        number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums)
+        print(number.search_string("123 3.1416 789")) #  Better -> [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: IterableType[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+        if self.exprs:
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+
+        for e in self.exprs:
+            try:
+                return e._parse(
+                    instring,
+                    loc,
+                    doActions,
+                )
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parserElement = e
+                raise
+            except ParseException as err:
+                if err.loc > maxExcLoc:
+                    maxException = err
+                    maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+
+        if maxException is not None:
+            maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ior__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # MatchFirst([self, other])
+
+    def _generateDefaultName(self):
+        return "{" + " | ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class Each(ParseExpression):
+    """Requires all given :class:`ParseExpression` s to be found, but in
+    any order. Expressions may be separated by whitespace.
+
+    May be constructed using the ``'&'`` operator.
+
+    Example::
+
+        color = one_of("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN")
+        shape_type = one_of("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON")
+        integer = Word(nums)
+        shape_attr = "shape:" + shape_type("shape")
+        posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn")
+        color_attr = "color:" + color("color")
+        size_attr = "size:" + integer("size")
+
+        # use Each (using operator '&') to accept attributes in any order
+        # (shape and posn are required, color and size are optional)
+        shape_spec = shape_attr & posn_attr & Opt(color_attr) & Opt(size_attr)
+
+        shape_spec.run_tests('''
+            shape: SQUARE color: BLACK posn: 100, 120
+            shape: CIRCLE size: 50 color: BLUE posn: 50,80
+            color:GREEN size:20 shape:TRIANGLE posn:20,40
+            '''
+            )
+
+    prints::
+
+        shape: SQUARE color: BLACK posn: 100, 120
+        ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']]
+        - color: BLACK
+        - posn: ['100', ',', '120']
+          - x: 100
+          - y: 120
+        - shape: SQUARE
+
+
+        shape: CIRCLE size: 50 color: BLUE posn: 50,80
+        ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']]
+        - color: BLUE
+        - posn: ['50', ',', '80']
+          - x: 50
+          - y: 80
+        - shape: CIRCLE
+        - size: 50
+
+
+        color: GREEN size: 20 shape: TRIANGLE posn: 20,40
+        ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']]
+        - color: GREEN
+        - posn: ['20', ',', '40']
+          - x: 20
+          - y: 40
+        - shape: TRIANGLE
+        - size: 20
+    """
+
+    def __init__(self, exprs: IterableType[ParserElement], savelist: bool = True):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        self.skipWhitespace = True
+        self.initExprGroups = True
+        self.saveAsList = True
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.initExprGroups:
+            self.opt1map = dict(
+                (id(e.expr), e) for e in self.exprs if isinstance(e, Opt)
+            )
+            opt1 = [e.expr for e in self.exprs if isinstance(e, Opt)]
+            opt2 = [
+                e
+                for e in self.exprs
+                if e.mayReturnEmpty and not isinstance(e, (Opt, Regex, ZeroOrMore))
+            ]
+            self.optionals = opt1 + opt2
+            self.multioptionals = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, _MultipleMatch)
+            ]
+            self.multirequired = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, OneOrMore)
+            ]
+            self.required = [
+                e for e in self.exprs if not isinstance(e, (Opt, ZeroOrMore, OneOrMore))
+            ]
+            self.required += self.multirequired
+            self.initExprGroups = False
+
+        tmpLoc = loc
+        tmpReqd = self.required[:]
+        tmpOpt = self.optionals[:]
+        multis = self.multioptionals[:]
+        matchOrder = []
+
+        keepMatching = True
+        failed = []
+        fatals = []
+        while keepMatching:
+            tmpExprs = tmpReqd + tmpOpt + multis
+            failed.clear()
+            fatals.clear()
+            for e in tmpExprs:
+                try:
+                    tmpLoc = e.try_parse(instring, tmpLoc, raise_fatal=True)
+                except ParseFatalException as pfe:
+                    pfe.__traceback__ = None
+                    pfe.parserElement = e
+                    fatals.append(pfe)
+                    failed.append(e)
+                except ParseException:
+                    failed.append(e)
+                else:
+                    matchOrder.append(self.opt1map.get(id(e), e))
+                    if e in tmpReqd:
+                        tmpReqd.remove(e)
+                    elif e in tmpOpt:
+                        tmpOpt.remove(e)
+            if len(failed) == len(tmpExprs):
+                keepMatching = False
+
+        # look for any ParseFatalExceptions
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parserElement))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if tmpReqd:
+            missing = ", ".join([str(e) for e in tmpReqd])
+            raise ParseException(
+                instring,
+                loc,
+                "Missing one or more required elements ({})".format(missing),
+            )
+
+        # add any unmatched Opts, in case they have default values defined
+        matchOrder += [e for e in self.exprs if isinstance(e, Opt) and e.expr in tmpOpt]
+
+        total_results = ParseResults([])
+        for e in matchOrder:
+            loc, results = e._parse(instring, loc, doActions)
+            total_results += results
+
+        return loc, total_results
+
+    def _generateDefaultName(self):
+        return "{" + " & ".join(str(e) for e in self.exprs) + "}"
+
+
+class ParseElementEnhance(ParserElement):
+    """Abstract subclass of :class:`ParserElement`, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        super().__init__(savelist)
+        if isinstance(expr, str_type):
+            if issubclass(self._literalStringClass, Token):
+                expr = self._literalStringClass(expr)
+            elif issubclass(type(self), self._literalStringClass):
+                expr = Literal(expr)
+            else:
+                expr = self._literalStringClass(Literal(expr))
+        self.expr = expr
+        if expr is not None:
+            self.mayIndexError = expr.mayIndexError
+            self.mayReturnEmpty = expr.mayReturnEmpty
+            self.set_whitespace_chars(
+                expr.whiteChars, copy_defaults=expr.copyDefaultWhiteChars
+            )
+            self.skipWhitespace = expr.skipWhitespace
+            self.saveAsList = expr.saveAsList
+            self.callPreparse = expr.callPreparse
+            self.ignoreExprs.extend(expr.ignoreExprs)
+
+    def recurse(self) -> Sequence[ParserElement]:
+        return [self.expr] if self.expr is not None else []
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr is not None:
+            return self.expr._parse(instring, loc, doActions, callPreParse=False)
+        else:
+            raise ParseException(instring, loc, "No expression defined", self)
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            self.expr = self.expr.copy()
+            if self.expr is not None:
+                self.expr.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().ignore_whitespace(recursive)
+
+        if recursive:
+            self.expr = self.expr.copy()
+            if self.expr is not None:
+                self.expr.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                if self.expr is not None:
+                    self.expr.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            if self.expr is not None:
+                self.expr.ignore(self.ignoreExprs[-1])
+        return self
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.expr is not None:
+            self.expr.streamline()
+        return self
+
+    def _checkRecursion(self, parseElementList):
+        if self in parseElementList:
+            raise RecursiveGrammarException(parseElementList + [self])
+        subRecCheckList = parseElementList[:] + [self]
+        if self.expr is not None:
+            self.expr._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        if validateTrace is None:
+            validateTrace = []
+        tmp = validateTrace[:] + [self]
+        if self.expr is not None:
+            self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self):
+        return "{}:({})".format(self.__class__.__name__, str(self.expr))
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class IndentedBlock(ParseElementEnhance):
+    """
+    Expression to match one or more expressions at a given indentation level.
+    Useful for parsing text where structure is implied by indentation (like Python source code).
+    """
+
+    class _Indent(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = "expected indent at column {}".format(ref_col)
+            self.add_condition(lambda s, l, t: col(l, s) == ref_col)
+
+    class _IndentGreater(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = "expected indent at column greater than {}".format(ref_col)
+            self.add_condition(lambda s, l, t: col(l, s) > ref_col)
+
+    def __init__(
+        self, expr: ParserElement, *, recursive: bool = False, grouped: bool = True
+    ):
+        super().__init__(expr, savelist=True)
+        # if recursive:
+        #     raise NotImplementedError("IndentedBlock with recursive is not implemented")
+        self._recursive = recursive
+        self._grouped = grouped
+        self.parent_anchor = 1
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # advance parse position to non-whitespace by using an Empty()
+        # this should be the column to be used for all subsequent indented lines
+        anchor_loc = Empty().preParse(instring, loc)
+
+        # see if self.expr matches at the current location - if not it will raise an exception
+        # and no further work is necessary
+        self.expr.try_parse(instring, anchor_loc, doActions)
+
+        indent_col = col(anchor_loc, instring)
+        peer_detect_expr = self._Indent(indent_col)
+
+        inner_expr = Empty() + peer_detect_expr + self.expr
+        if self._recursive:
+            sub_indent = self._IndentGreater(indent_col)
+            nested_block = IndentedBlock(
+                self.expr, recursive=self._recursive, grouped=self._grouped
+            )
+            nested_block.set_debug(self.debug)
+            nested_block.parent_anchor = indent_col
+            inner_expr += Opt(sub_indent + nested_block)
+
+        inner_expr.set_name(f"inner {hex(id(inner_expr))[-4:].upper()}@{indent_col}")
+        block = OneOrMore(inner_expr)
+
+        trailing_undent = self._Indent(self.parent_anchor) | StringEnd()
+
+        if self._grouped:
+            wrapper = Group
+        else:
+            wrapper = lambda expr: expr
+        return (wrapper(block) + Optional(trailing_undent)).parseImpl(
+            instring, anchor_loc, doActions
+        )
+
+
+class AtStringStart(ParseElementEnhance):
+    """Matches if expression matches at the beginning of the parse
+    string::
+
+        AtStringStart(Word(nums)).parse_string("123")
+        # prints ["123"]
+
+        AtStringStart(Word(nums)).parse_string("    123")
+        # raises ParseException
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            raise ParseException(instring, loc, "not found at string start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class AtLineStart(ParseElementEnhance):
+    r"""Matches if an expression matches at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (AtLineStart('AAA') + restOfLine).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) != 1:
+            raise ParseException(instring, loc, "not found at line start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class FollowedBy(ParseElementEnhance):
+    """Lookahead matching of the given parse expression.
+    ``FollowedBy`` does *not* advance the parsing position within
+    the input string, it only verifies that the specified parse
+    expression matches at the current position.  ``FollowedBy``
+    always returns a null token list. If any results names are defined
+    in the lookahead expression, those *will* be returned for access by
+    name.
+
+    Example::
+
+        # use FollowedBy to match a label only if it is followed by a ':'
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        OneOrMore(attr_expr).parse_string("shape: SQUARE color: BLACK posn: upper left").pprint()
+
+    prints::
+
+        [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']]
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # by using self._expr.parse and deleting the contents of the returned ParseResults list
+        # we keep any named results that were defined in the FollowedBy expression
+        _, ret = self.expr._parse(instring, loc, doActions=doActions)
+        del ret[:]
+
+        return loc, ret
+
+
+class PrecededBy(ParseElementEnhance):
+    """Lookbehind matching of the given parse expression.
+    ``PrecededBy`` does not advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    matches prior to the current position.  ``PrecededBy`` always
+    returns a null token list, but if a results name is defined on the
+    given expression, it is returned.
+
+    Parameters:
+
+    - expr - expression that must match prior to the current parse
+      location
+    - retreat - (default= ``None``) - (int) maximum number of characters
+      to lookbehind prior to the current parse location
+
+    If the lookbehind expression is a string, :class:`Literal`,
+    :class:`Keyword`, or a :class:`Word` or :class:`CharsNotIn`
+    with a specified exact or maximum length, then the retreat
+    parameter is not required. Otherwise, retreat must be specified to
+    give a maximum number of characters to look back from
+    the current parse position for a lookbehind match.
+
+    Example::
+
+        # VB-style variable names with type prefixes
+        int_var = PrecededBy("#") + pyparsing_common.identifier
+        str_var = PrecededBy("$") + pyparsing_common.identifier
+
+    """
+
+    def __init__(
+        self, expr: Union[ParserElement, str], retreat: OptionalType[int] = None
+    ):
+        super().__init__(expr)
+        self.expr = self.expr().leave_whitespace()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.exact = False
+        if isinstance(expr, str_type):
+            retreat = len(expr)
+            self.exact = True
+        elif isinstance(expr, (Literal, Keyword)):
+            retreat = expr.matchLen
+            self.exact = True
+        elif isinstance(expr, (Word, CharsNotIn)) and expr.maxLen != _MAX_INT:
+            retreat = expr.maxLen
+            self.exact = True
+        elif isinstance(expr, PositionToken):
+            retreat = 0
+            self.exact = True
+        self.retreat = retreat
+        self.errmsg = "not preceded by " + str(expr)
+        self.skipWhitespace = False
+        self.parseAction.append(lambda s, l, t: t.__delitem__(slice(None, None)))
+
+    def parseImpl(self, instring, loc=0, doActions=True):
+        if self.exact:
+            if loc < self.retreat:
+                raise ParseException(instring, loc, self.errmsg)
+            start = loc - self.retreat
+            _, ret = self.expr._parse(instring, start)
+        else:
+            # retreat specified a maximum lookbehind window, iterate
+            test_expr = self.expr + StringEnd()
+            instring_slice = instring[max(0, loc - self.retreat) : loc]
+            last_expr = ParseException(instring, loc, self.errmsg)
+            for offset in range(1, min(loc, self.retreat + 1) + 1):
+                try:
+                    # print('trying', offset, instring_slice, repr(instring_slice[loc - offset:]))
+                    _, ret = test_expr._parse(
+                        instring_slice, len(instring_slice) - offset
+                    )
+                except ParseBaseException as pbe:
+                    last_expr = pbe
+                else:
+                    break
+            else:
+                raise last_expr
+        return loc, ret
+
+
+class Located(ParseElementEnhance):
+    """
+    Decorates a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parse_with_tabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in Located(wd).search_string("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [0, ['ljsdf'], 5]
+        [8, ['lksdjjf'], 15]
+        [18, ['lkkjj'], 23]
+
+    """
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        loc, tokens = self.expr._parse(instring, start, doActions, callPreParse=False)
+        ret_tokens = ParseResults([start, tokens, loc])
+        ret_tokens["locn_start"] = start
+        ret_tokens["value"] = tokens
+        ret_tokens["locn_end"] = loc
+        if self.resultsName:
+            # must return as a list, so that the name will be attached to the complete group
+            return loc, [ret_tokens]
+        else:
+            return loc, ret_tokens
+
+
+class NotAny(ParseElementEnhance):
+    """
+    Lookahead to disallow matching with the given parse expression.
+    ``NotAny`` does *not* advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    does *not* match at the current position.  Also, ``NotAny`` does
+    *not* skip over leading whitespace. ``NotAny`` always returns
+    a null token list.  May be constructed using the ``'~'`` operator.
+
+    Example::
+
+        AND, OR, NOT = map(CaselessKeyword, "AND OR NOT".split())
+
+        # take care not to mistake keywords for identifiers
+        ident = ~(AND | OR | NOT) + Word(alphas)
+        boolean_term = Opt(NOT) + ident
+
+        # very crude boolean expression - to support parenthesis groups and
+        # operation hierarchy, use infix_notation
+        boolean_expr = boolean_term + ZeroOrMore((AND | OR) + boolean_term)
+
+        # integers that are followed by "." are actually floats
+        integer = Word(nums) + ~Char(".")
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        # do NOT use self.leave_whitespace(), don't want to propagate to exprs
+        # self.leave_whitespace()
+        self.skipWhitespace = False
+
+        self.mayReturnEmpty = True
+        self.errmsg = "Found unwanted token, " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr.can_parse_next(instring, loc):
+            raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+    def _generateDefaultName(self):
+        return "~{" + str(self.expr) + "}"
+
+
+class _MultipleMatch(ParseElementEnhance):
+    def __init__(
+        self,
+        expr: ParserElement,
+        stop_on: OptionalType[Union[ParserElement, str]] = None,
+        *,
+        stopOn: OptionalType[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr)
+        stopOn = stopOn or stop_on
+        self.saveAsList = True
+        ender = stopOn
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.stopOn(ender)
+
+    def stopOn(self, ender) -> ParserElement:
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.not_ender = ~ender if ender is not None else None
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr_parse = self.expr._parse
+        self_skip_ignorables = self._skipIgnorables
+        check_ender = self.not_ender is not None
+        if check_ender:
+            try_not_ender = self.not_ender.tryParse
+
+        # must be at least one (but first see if we are the stopOn sentinel;
+        # if so, fail)
+        if check_ender:
+            try_not_ender(instring, loc)
+        loc, tokens = self_expr_parse(instring, loc, doActions)
+        try:
+            hasIgnoreExprs = not not self.ignoreExprs
+            while 1:
+                if check_ender:
+                    try_not_ender(instring, loc)
+                if hasIgnoreExprs:
+                    preloc = self_skip_ignorables(instring, loc)
+                else:
+                    preloc = loc
+                loc, tmptokens = self_expr_parse(instring, preloc, doActions)
+                if tmptokens or tmptokens.haskeys():
+                    tokens += tmptokens
+        except (ParseException, IndexError):
+            pass
+
+        return loc, tokens
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in [self.expr] + self.expr.recurse():
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class OneOrMore(_MultipleMatch):
+    """
+    Repetition of one or more of the given expression.
+
+    Parameters:
+    - expr - expression that must match one or more times
+    - stop_on - (default= ``None``) - expression for a terminating sentinel
+         (only required if the sentinel would ordinarily match the repetition
+         expression)
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).set_parse_action(' '.join))
+
+        text = "shape: SQUARE posn: upper left color: BLACK"
+        OneOrMore(attr_expr).parse_string(text).pprint()  # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']]
+
+        # use stop_on attribute for OneOrMore to avoid reading label string as part of the data
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        OneOrMore(attr_expr).parse_string(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']]
+
+        # could also be written as
+        (attr_expr * (1,)).parse_string(text).pprint()
+    """
+
+    def _generateDefaultName(self):
+        return "{" + str(self.expr) + "}..."
+
+
+class ZeroOrMore(_MultipleMatch):
+    """
+    Optional repetition of zero or more of the given expression.
+
+    Parameters:
+    - ``expr`` - expression that must match zero or more times
+    - ``stop_on`` - expression for a terminating sentinel
+      (only required if the sentinel would ordinarily match the repetition
+      expression) - (default= ``None``)
+
+    Example: similar to :class:`OneOrMore`
+    """
+
+    def __init__(
+        self,
+        expr: ParserElement,
+        stop_on: OptionalType[Union[ParserElement, str]] = None,
+        *,
+        stopOn: OptionalType[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr, stopOn=stopOn or stop_on)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        try:
+            return super().parseImpl(instring, loc, doActions)
+        except (ParseException, IndexError):
+            return loc, ParseResults([], name=self.resultsName)
+
+    def _generateDefaultName(self):
+        return "[" + str(self.expr) + "]..."
+
+
+class _NullToken:
+    def __bool__(self):
+        return False
+
+    def __str__(self):
+        return ""
+
+
+class Opt(ParseElementEnhance):
+    """
+    Optional matching of the given expression.
+
+    Parameters:
+    - ``expr`` - expression that must match zero or more times
+    - ``default`` (optional) - value to be returned if the optional expression is not found.
+
+    Example::
+
+        # US postal code can be a 5-digit zip, plus optional 4-digit qualifier
+        zip = Combine(Word(nums, exact=5) + Opt('-' + Word(nums, exact=4)))
+        zip.run_tests('''
+            # traditional ZIP code
+            12345
+
+            # ZIP+4 form
+            12101-0001
+
+            # invalid ZIP
+            98765-
+            ''')
+
+    prints::
+
+        # traditional ZIP code
+        12345
+        ['12345']
+
+        # ZIP+4 form
+        12101-0001
+        ['12101-0001']
+
+        # invalid ZIP
+        98765-
+             ^
+        FAIL: Expected end of text (at char 5), (line:1, col:6)
+    """
+
+    __optionalNotMatched = _NullToken()
+
+    def __init__(
+        self, expr: Union[ParserElement, str], default: Any = __optionalNotMatched
+    ):
+        super().__init__(expr, savelist=False)
+        self.saveAsList = self.expr.saveAsList
+        self.defaultValue = default
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr = self.expr
+        try:
+            loc, tokens = self_expr._parse(instring, loc, doActions, callPreParse=False)
+        except (ParseException, IndexError):
+            default_value = self.defaultValue
+            if default_value is not self.__optionalNotMatched:
+                if self_expr.resultsName:
+                    tokens = ParseResults([default_value])
+                    tokens[self_expr.resultsName] = default_value
+                else:
+                    tokens = [default_value]
+            else:
+                tokens = []
+        return loc, tokens
+
+    def _generateDefaultName(self):
+        inner = str(self.expr)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "[" + inner + "]"
+
+
+Optional = Opt
+
+
+class SkipTo(ParseElementEnhance):
+    """
+    Token for skipping over all undefined text until the matched
+    expression is found.
+
+    Parameters:
+    - ``expr`` - target expression marking the end of the data to be skipped
+    - ``include`` - if ``True``, the target expression is also parsed
+      (the skipped text and target expression are returned as a 2-element
+      list) (default= ``False``).
+    - ``ignore`` - (default= ``None``) used to define grammars (typically quoted strings and
+      comments) that might contain false matches to the target expression
+    - ``fail_on`` - (default= ``None``) define expressions that are not allowed to be
+      included in the skipped test; if found before the target expression is found,
+      the :class:`SkipTo` is not a match
+
+    Example::
+
+        report = '''
+            Outstanding Issues Report - 1 Jan 2000
+
+               # | Severity | Description                               |  Days Open
+            -----+----------+-------------------------------------------+-----------
+             101 | Critical | Intermittent system crash                 |          6
+              94 | Cosmetic | Spelling error on Login ('log|n')         |         14
+              79 | Minor    | System slow when running too many reports |         47
+            '''
+        integer = Word(nums)
+        SEP = Suppress('|')
+        # use SkipTo to simply match everything up until the next SEP
+        # - ignore quoted strings, so that a '|' character inside a quoted string does not match
+        # - parse action will call token.strip() for each matched token, i.e., the description body
+        string_data = SkipTo(SEP, ignore=quoted_string)
+        string_data.set_parse_action(token_map(str.strip))
+        ticket_expr = (integer("issue_num") + SEP
+                      + string_data("sev") + SEP
+                      + string_data("desc") + SEP
+                      + integer("days_open"))
+
+        for tkt in ticket_expr.search_string(report):
+            print tkt.dump()
+
+    prints::
+
+        ['101', 'Critical', 'Intermittent system crash', '6']
+        - days_open: 6
+        - desc: Intermittent system crash
+        - issue_num: 101
+        - sev: Critical
+        ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14']
+        - days_open: 14
+        - desc: Spelling error on Login ('log|n')
+        - issue_num: 94
+        - sev: Cosmetic
+        ['79', 'Minor', 'System slow when running too many reports', '47']
+        - days_open: 47
+        - desc: System slow when running too many reports
+        - issue_num: 79
+        - sev: Minor
+    """
+
+    def __init__(
+        self,
+        other: Union[ParserElement, str],
+        include: bool = False,
+        ignore: bool = None,
+        fail_on: OptionalType[Union[ParserElement, str]] = None,
+        *,
+        failOn: Union[ParserElement, str] = None,
+    ):
+        super().__init__(other)
+        failOn = failOn or fail_on
+        self.ignoreExpr = ignore
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.includeMatch = include
+        self.saveAsList = False
+        if isinstance(failOn, str_type):
+            self.failOn = self._literalStringClass(failOn)
+        else:
+            self.failOn = failOn
+        self.errmsg = "No match found for " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        startloc = loc
+        instrlen = len(instring)
+        self_expr_parse = self.expr._parse
+        self_failOn_canParseNext = (
+            self.failOn.canParseNext if self.failOn is not None else None
+        )
+        self_ignoreExpr_tryParse = (
+            self.ignoreExpr.tryParse if self.ignoreExpr is not None else None
+        )
+
+        tmploc = loc
+        while tmploc <= instrlen:
+            if self_failOn_canParseNext is not None:
+                # break if failOn expression matches
+                if self_failOn_canParseNext(instring, tmploc):
+                    break
+
+            if self_ignoreExpr_tryParse is not None:
+                # advance past ignore expressions
+                while 1:
+                    try:
+                        tmploc = self_ignoreExpr_tryParse(instring, tmploc)
+                    except ParseBaseException:
+                        break
+
+            try:
+                self_expr_parse(instring, tmploc, doActions=False, callPreParse=False)
+            except (ParseException, IndexError):
+                # no match, advance loc in string
+                tmploc += 1
+            else:
+                # matched skipto expr, done
+                break
+
+        else:
+            # ran off the end of the input string without matching skipto expr, fail
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        # build up return values
+        loc = tmploc
+        skiptext = instring[startloc:loc]
+        skipresult = ParseResults(skiptext)
+
+        if self.includeMatch:
+            loc, mat = self_expr_parse(instring, loc, doActions, callPreParse=False)
+            skipresult += mat
+
+        return loc, skipresult
+
+
+class Forward(ParseElementEnhance):
+    """
+    Forward declaration of an expression to be defined later -
+    used for recursive grammars, such as algebraic infix notation.
+    When the expression is known, it is assigned to the ``Forward``
+    variable using the ``'<<'`` operator.
+
+    Note: take care when assigning to ``Forward`` not to overlook
+    precedence of operators.
+
+    Specifically, ``'|'`` has a lower precedence than ``'<<'``, so that::
+
+        fwd_expr << a | b | c
+
+    will actually be evaluated as::
+
+        (fwd_expr << a) | b | c
+
+    thereby leaving b and c out as parseable alternatives.  It is recommended that you
+    explicitly group the values inserted into the ``Forward``::
+
+        fwd_expr << (a | b | c)
+
+    Converting to use the ``'<<='`` operator instead will avoid this problem.
+
+    See :class:`ParseResults.pprint` for an example of a recursive
+    parser created using ``Forward``.
+    """
+
+    def __init__(self, other: OptionalType[Union[ParserElement, str]] = None):
+        self.caller_frame = traceback.extract_stack(limit=2)[0]
+        super().__init__(other, savelist=False)
+        self.lshift_line = None
+
+    def __lshift__(self, other):
+        if hasattr(self, "caller_frame"):
+            del self.caller_frame
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        self.expr = other
+        self.mayIndexError = self.expr.mayIndexError
+        self.mayReturnEmpty = self.expr.mayReturnEmpty
+        self.set_whitespace_chars(
+            self.expr.whiteChars, copy_defaults=self.expr.copyDefaultWhiteChars
+        )
+        self.skipWhitespace = self.expr.skipWhitespace
+        self.saveAsList = self.expr.saveAsList
+        self.ignoreExprs.extend(self.expr.ignoreExprs)
+        self.lshift_line = traceback.extract_stack(limit=2)[-2]
+        return self
+
+    def __ilshift__(self, other):
+        return self << other
+
+    def __or__(self, other):
+        caller_line = traceback.extract_stack(limit=2)[-2]
+        if (
+            __diag__.warn_on_match_first_with_lshift_operator
+            and caller_line == self.lshift_line
+            and Diagnostics.warn_on_match_first_with_lshift_operator
+            not in self.suppress_warnings_
+        ):
+            warnings.warn(
+                "using '<<' operator with '|' is probably an error, use '<<='",
+                stacklevel=2,
+            )
+        ret = super().__or__(other)
+        return ret
+
+    def __del__(self):
+        # see if we are getting dropped because of '=' reassignment of var instead of '<<=' or '<<'
+        if (
+            self.expr is None
+            and __diag__.warn_on_assignment_to_Forward
+            and Diagnostics.warn_on_assignment_to_Forward not in self.suppress_warnings_
+        ):
+            warnings.warn_explicit(
+                "Forward defined here but no expression attached later using '<<=' or '<<'",
+                UserWarning,
+                filename=self.caller_frame.filename,
+                lineno=self.caller_frame.lineno,
+            )
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if (
+            self.expr is None
+            and __diag__.warn_on_parse_using_empty_Forward
+            and Diagnostics.warn_on_parse_using_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            # walk stack until parse_string, scan_string, search_string, or transform_string is found
+            parse_fns = [
+                "parse_string",
+                "scan_string",
+                "search_string",
+                "transform_string",
+            ]
+            tb = traceback.extract_stack(limit=200)
+            for i, frm in enumerate(reversed(tb), start=1):
+                if frm.name in parse_fns:
+                    stacklevel = i + 1
+                    break
+            else:
+                stacklevel = 2
+            warnings.warn(
+                "Forward expression was never assigned a value, will not parse any input",
+                stacklevel=stacklevel,
+            )
+        if not ParserElement._left_recursion_enabled:
+            return super().parseImpl(instring, loc, doActions)
+        # ## Bounded Recursion algorithm ##
+        # Recursion only needs to be processed at ``Forward`` elements, since they are
+        # the only ones that can actually refer to themselves. The general idea is
+        # to handle recursion stepwise: We start at no recursion, then recurse once,
+        # recurse twice, ..., until more recursion offers no benefit (we hit the bound).
+        #
+        # The "trick" here is that each ``Forward`` gets evaluated in two contexts
+        # - to *match* a specific recursion level, and
+        # - to *search* the bounded recursion level
+        # and the two run concurrently. The *search* must *match* each recursion level
+        # to find the best possible match. This is handled by a memo table, which
+        # provides the previous match to the next level match attempt.
+        #
+        # See also "Left Recursion in Parsing Expression Grammars", Medeiros et al.
+        #
+        # There is a complication since we not only *parse* but also *transform* via
+        # actions: We do not want to run the actions too often while expanding. Thus,
+        # we expand using `doActions=False` and only run `doActions=True` if the next
+        # recursion level is acceptable.
+        with ParserElement.recursion_lock:
+            memo = ParserElement.recursion_memos
+            try:
+                # we are parsing at a specific recursion expansion - use it as-is
+                prev_loc, prev_result = memo[loc, self, doActions]
+                if isinstance(prev_result, Exception):
+                    raise prev_result
+                return prev_loc, prev_result.copy()
+            except KeyError:
+                act_key = (loc, self, True)
+                peek_key = (loc, self, False)
+                # we are searching for the best recursion expansion - keep on improving
+                # both `doActions` cases must be tracked separately here!
+                prev_loc, prev_peek = memo[peek_key] = (
+                    loc - 1,
+                    ParseException(
+                        instring, loc, "Forward recursion without base case", self
+                    ),
+                )
+                if doActions:
+                    memo[act_key] = memo[peek_key]
+                while True:
+                    try:
+                        new_loc, new_peek = super().parseImpl(instring, loc, False)
+                    except ParseException:
+                        # we failed before getting any match – do not hide the error
+                        if isinstance(prev_peek, Exception):
+                            raise
+                        new_loc, new_peek = prev_loc, prev_peek
+                    # the match did not get better: we are done
+                    if new_loc <= prev_loc:
+                        if doActions:
+                            # replace the match for doActions=False as well,
+                            # in case the action did backtrack
+                            prev_loc, prev_result = memo[peek_key] = memo[act_key]
+                            del memo[peek_key], memo[act_key]
+                            return prev_loc, prev_result.copy()
+                        del memo[peek_key]
+                        return prev_loc, prev_peek.copy()
+                    # the match did get better: see if we can improve further
+                    else:
+                        if doActions:
+                            try:
+                                memo[act_key] = super().parseImpl(instring, loc, True)
+                            except ParseException as e:
+                                memo[peek_key] = memo[act_key] = (new_loc, e)
+                                raise
+                        prev_loc, prev_peek = memo[peek_key] = new_loc, new_peek
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = False
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = True
+        return self
+
+    def streamline(self) -> ParserElement:
+        if not self.streamlined:
+            self.streamlined = True
+            if self.expr is not None:
+                self.expr.streamline()
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        if validateTrace is None:
+            validateTrace = []
+
+        if self not in validateTrace:
+            tmp = validateTrace[:] + [self]
+            if self.expr is not None:
+                self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self):
+        # Avoid infinite recursion by setting a temporary _defaultName
+        self._defaultName = ": ..."
+
+        # Use the string representation of main expression.
+        retString = "..."
+        try:
+            if self.expr is not None:
+                retString = str(self.expr)[:1000]
+            else:
+                retString = "None"
+        finally:
+            return self.__class__.__name__ + ": " + retString
+
+    def copy(self) -> ParserElement:
+        if self.expr is not None:
+            return super().copy()
+        else:
+            ret = Forward()
+            ret <<= self
+            return ret
+
+    def _setResultsName(self, name, list_all_matches=False):
+        if (
+            __diag__.warn_name_set_on_empty_Forward
+            and Diagnostics.warn_name_set_on_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            if self.expr is None:
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "that has no contained expression".format(
+                        "warn_name_set_on_empty_Forward", name, type(self).__name__
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, list_all_matches)
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class TokenConverter(ParseElementEnhance):
+    """
+    Abstract subclass of :class:`ParseExpression`, for converting parsed results.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist=False):
+        super().__init__(expr)  # , savelist)
+        self.saveAsList = False
+
+
+class Combine(TokenConverter):
+    """Converter to concatenate all matching tokens to a single string.
+    By default, the matching patterns must also be contiguous in the
+    input string; this can be disabled by specifying
+    ``'adjacent=False'`` in the constructor.
+
+    Example::
+
+        real = Word(nums) + '.' + Word(nums)
+        print(real.parse_string('3.1416')) # -> ['3', '.', '1416']
+        # will also erroneously match the following
+        print(real.parse_string('3. 1416')) # -> ['3', '.', '1416']
+
+        real = Combine(Word(nums) + '.' + Word(nums))
+        print(real.parse_string('3.1416')) # -> ['3.1416']
+        # no match when there are internal spaces
+        print(real.parse_string('3. 1416')) # -> Exception: Expected W:(0123...)
+    """
+
+    def __init__(
+        self,
+        expr: ParserElement,
+        join_string: str = "",
+        adjacent: bool = True,
+        *,
+        joinString: OptionalType[str] = None,
+    ):
+        super().__init__(expr)
+        joinString = joinString if joinString is not None else join_string
+        # suppress whitespace-stripping in contained parse expressions, but re-enable it on the Combine itself
+        if adjacent:
+            self.leave_whitespace()
+        self.adjacent = adjacent
+        self.skipWhitespace = True
+        self.joinString = joinString
+        self.callPreparse = True
+
+    def ignore(self, other) -> ParserElement:
+        if self.adjacent:
+            ParserElement.ignore(self, other)
+        else:
+            super().ignore(other)
+        return self
+
+    def postParse(self, instring, loc, tokenlist):
+        retToks = tokenlist.copy()
+        del retToks[:]
+        retToks += ParseResults(
+            ["".join(tokenlist._asStringList(self.joinString))], modal=self.modalResults
+        )
+
+        if self.resultsName and retToks.haskeys():
+            return [retToks]
+        else:
+            return retToks
+
+
+class Group(TokenConverter):
+    """Converter to return the matched tokens as a list - useful for
+    returning tokens of :class:`ZeroOrMore` and :class:`OneOrMore` expressions.
+
+    The optional ``aslist`` argument when set to True will return the
+    parsed tokens as a Python list instead of a pyparsing ParseResults.
+
+    Example::
+
+        ident = Word(alphas)
+        num = Word(nums)
+        term = ident | num
+        func = ident + Opt(delimited_list(term))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', 'a', 'b', '100']
+
+        func = ident + Group(Opt(delimited_list(term)))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', ['a', 'b', '100']]
+    """
+
+    def __init__(self, expr: ParserElement, aslist: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonList = aslist
+
+    def postParse(self, instring, loc, tokenlist):
+        if self._asPythonList:
+            return ParseResults.List(
+                tokenlist.asList()
+                if isinstance(tokenlist, ParseResults)
+                else list(tokenlist)
+            )
+        else:
+            return [tokenlist]
+
+
+class Dict(TokenConverter):
+    """Converter to return a repetitive expression as a list, but also
+    as a dictionary. Each element can also be referenced using the first
+    token in the expression as its key. Useful for tabular report
+    scraping when the first column can be used as a item key.
+
+    The optional ``asdict`` argument when set to True will return the
+    parsed tokens as a Python dict instead of a pyparsing ParseResults.
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        # print attributes as plain groups
+        print(OneOrMore(attr_expr).parse_string(text).dump())
+
+        # instead of OneOrMore(expr), parse using Dict(OneOrMore(Group(expr))) - Dict will auto-assign names
+        result = Dict(OneOrMore(Group(attr_expr))).parse_string(text)
+        print(result.dump())
+
+        # access named fields as dict entries, or output as dict
+        print(result['shape'])
+        print(result.as_dict())
+
+    prints::
+
+        ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap']
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: light blue
+        - posn: upper left
+        - shape: SQUARE
+        - texture: burlap
+        SQUARE
+        {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'}
+
+    See more examples at :class:`ParseResults` of accessing fields by results name.
+    """
+
+    def __init__(self, expr: ParserElement, asdict: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonDict = asdict
+
+    def postParse(self, instring, loc, tokenlist):
+        for i, tok in enumerate(tokenlist):
+            if len(tok) == 0:
+                continue
+
+            ikey = tok[0]
+            if isinstance(ikey, int):
+                ikey = str(ikey).strip()
+
+            if len(tok) == 1:
+                tokenlist[ikey] = _ParseResultsWithOffset("", i)
+
+            elif len(tok) == 2 and not isinstance(tok[1], ParseResults):
+                tokenlist[ikey] = _ParseResultsWithOffset(tok[1], i)
+
+            else:
+                try:
+                    dictvalue = tok.copy()  # ParseResults(i)
+                except Exception:
+                    exc = TypeError(
+                        "could not extract dict values from parsed results"
+                        " - Dict expression must contain Grouped expressions"
+                    )
+                    raise exc from None
+
+                del dictvalue[0]
+
+                if len(dictvalue) != 1 or (
+                    isinstance(dictvalue, ParseResults) and dictvalue.haskeys()
+                ):
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue, i)
+                else:
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue[0], i)
+
+        if self._asPythonDict:
+            return [tokenlist.as_dict()] if self.resultsName else tokenlist.as_dict()
+        else:
+            return [tokenlist] if self.resultsName else tokenlist
+
+
+class Suppress(TokenConverter):
+    """Converter for ignoring the results of a parsed expression.
+
+    Example::
+
+        source = "a, b, c,d"
+        wd = Word(alphas)
+        wd_list1 = wd + ZeroOrMore(',' + wd)
+        print(wd_list1.parse_string(source))
+
+        # often, delimiters that are useful during parsing are just in the
+        # way afterward - use Suppress to keep them out of the parsed output
+        wd_list2 = wd + ZeroOrMore(Suppress(',') + wd)
+        print(wd_list2.parse_string(source))
+
+        # Skipped text (using '...') can be suppressed as well
+        source = "lead in START relevant text END trailing text"
+        start_marker = Keyword("START")
+        end_marker = Keyword("END")
+        find_body = Suppress(...) + start_marker + ... + end_marker
+        print(find_body.parse_string(source)
+
+    prints::
+
+        ['a', ',', 'b', ',', 'c', ',', 'd']
+        ['a', 'b', 'c', 'd']
+        ['START', 'relevant text ', 'END']
+
+    (See also :class:`delimited_list`.)
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        if expr is ...:
+            expr = _PendingSkip(NoMatch())
+        super().__init__(expr)
+
+    def __add__(self, other):
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) + other
+        else:
+            return super().__add__(other)
+
+    def __sub__(self, other):
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) - other
+        else:
+            return super().__sub__(other)
+
+    def postParse(self, instring, loc, tokenlist):
+        return []
+
+    def suppress(self) -> ParserElement:
+        return self
+
+
+def trace_parse_action(f: ParseAction) -> ParseAction:
+    """Decorator for debugging parse actions.
+
+    When the parse action is called, this decorator will print
+    ``">> entering method-name(line:<current_source_line>, <parse_location>, <matched_tokens>)"``.
+    When the parse action completes, the decorator will print
+    ``"<<"`` followed by the returned value, or any exception that the parse action raised.
+
+    Example::
+
+        wd = Word(alphas)
+
+        @trace_parse_action
+        def remove_duplicate_chars(tokens):
+            return ''.join(sorted(set(''.join(tokens))))
+
+        wds = OneOrMore(wd).set_parse_action(remove_duplicate_chars)
+        print(wds.parse_string("slkdjs sld sldd sdlf sdljf"))
+
+    prints::
+
+        >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {}))
+        <<leaving remove_duplicate_chars (ret: 'dfjkls')
+        ['dfjkls']
+    """
+    f = _trim_arity(f)
+
+    def z(*paArgs):
+        thisFunc = f.__name__
+        s, l, t = paArgs[-3:]
+        if len(paArgs) > 3:
+            thisFunc = paArgs[0].__class__.__name__ + "." + thisFunc
+        sys.stderr.write(
+            ">>entering {}(line: {!r}, {}, {!r})\n".format(thisFunc, line(l, s), l, t)
+        )
+        try:
+            ret = f(*paArgs)
+        except Exception as exc:
+            sys.stderr.write("<<leaving {} (exception: {})\n".format(thisFunc, exc))
+            raise
+        sys.stderr.write("<<leaving {} (ret: {!r})\n".format(thisFunc, ret))
+        return ret
+
+    z.__name__ = f.__name__
+    return z
+
+
+# convenience constants for positional expressions
+empty = Empty().set_name("empty")
+line_start = LineStart().set_name("line_start")
+line_end = LineEnd().set_name("line_end")
+string_start = StringStart().set_name("string_start")
+string_end = StringEnd().set_name("string_end")
+
+_escapedPunc = Word(_bslash, r"\[]-*.$+^?()~ ", exact=2).set_parse_action(
+    lambda s, l, t: t[0][1]
+)
+_escapedHexChar = Regex(r"\\0?[xX][0-9a-fA-F]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0].lstrip(r"\0x"), 16))
+)
+_escapedOctChar = Regex(r"\\0[0-7]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0][1:], 8))
+)
+_singleChar = (
+    _escapedPunc | _escapedHexChar | _escapedOctChar | CharsNotIn(r"\]", exact=1)
+)
+_charRange = Group(_singleChar + Suppress("-") + _singleChar)
+_reBracketExpr = (
+    Literal("[")
+    + Opt("^").set_results_name("negate")
+    + Group(OneOrMore(_charRange | _singleChar)).set_results_name("body")
+    + "]"
+)
+
+
+def srange(s: str) -> str:
+    r"""Helper to easily define string ranges for use in :class:`Word`
+    construction. Borrows syntax from regexp ``'[]'`` string range
+    definitions::
+
+        srange("[0-9]")   -> "0123456789"
+        srange("[a-z]")   -> "abcdefghijklmnopqrstuvwxyz"
+        srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_"
+
+    The input string must be enclosed in []'s, and the returned string
+    is the expanded character set joined into a single string. The
+    values enclosed in the []'s may be:
+
+    - a single character
+    - an escaped character with a leading backslash (such as ``\-``
+      or ``\]``)
+    - an escaped hex character with a leading ``'\x'``
+      (``\x21``, which is a ``'!'`` character) (``\0x##``
+      is also supported for backwards compatibility)
+    - an escaped octal character with a leading ``'\0'``
+      (``\041``, which is a ``'!'`` character)
+    - a range of any of the above, separated by a dash (``'a-z'``,
+      etc.)
+    - any combination of the above (``'aeiouy'``,
+      ``'a-zA-Z0-9_$'``, etc.)
+    """
+    _expanded = (
+        lambda p: p
+        if not isinstance(p, ParseResults)
+        else "".join(chr(c) for c in range(ord(p[0]), ord(p[1]) + 1))
+    )
+    try:
+        return "".join(_expanded(part) for part in _reBracketExpr.parse_string(s).body)
+    except Exception:
+        return ""
+
+
+def token_map(func, *args) -> ParseAction:
+    """Helper to define a parse action by mapping a function to all
+    elements of a :class:`ParseResults` list. If any additional args are passed,
+    they are forwarded to the given function as additional arguments
+    after the token, as in
+    ``hex_integer = Word(hexnums).set_parse_action(token_map(int, 16))``,
+    which will convert the parsed data to an integer using base 16.
+
+    Example (compare the last to example in :class:`ParserElement.transform_string`::
+
+        hex_ints = OneOrMore(Word(hexnums)).set_parse_action(token_map(int, 16))
+        hex_ints.run_tests('''
+            00 11 22 aa FF 0a 0d 1a
+            ''')
+
+        upperword = Word(alphas).set_parse_action(token_map(str.upper))
+        OneOrMore(upperword).run_tests('''
+            my kingdom for a horse
+            ''')
+
+        wd = Word(alphas).set_parse_action(token_map(str.title))
+        OneOrMore(wd).set_parse_action(' '.join).run_tests('''
+            now is the winter of our discontent made glorious summer by this sun of york
+            ''')
+
+    prints::
+
+        00 11 22 aa FF 0a 0d 1a
+        [0, 17, 34, 170, 255, 10, 13, 26]
+
+        my kingdom for a horse
+        ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE']
+
+        now is the winter of our discontent made glorious summer by this sun of york
+        ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York']
+    """
+
+    def pa(s, l, t):
+        return [func(tokn, *args) for tokn in t]
+
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    pa.__name__ = func_name
+
+    return pa
+
+
+def autoname_elements() -> None:
+    """
+    Utility to simplify mass-naming of parser elements, for
+    generating railroad diagram with named subdiagrams.
+    """
+    for name, var in sys._getframe().f_back.f_locals.items():
+        if isinstance(var, ParserElement) and not var.customName:
+            var.set_name(name)
+
+
+dbl_quoted_string = Combine(
+    Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"'
+).set_name("string enclosed in double quotes")
+
+sgl_quoted_string = Combine(
+    Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'"
+).set_name("string enclosed in single quotes")
+
+quoted_string = Combine(
+    Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"'
+    | Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'"
+).set_name("quotedString using single or double quotes")
+
+unicode_string = Combine("u" + quoted_string.copy()).set_name("unicode string literal")
+
+
+alphas8bit = srange(r"[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]")
+punc8bit = srange(r"[\0xa1-\0xbf\0xd7\0xf7]")
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs = [v for v in vars().values() if isinstance(v, ParserElement)]
+
+# backward compatibility names
+tokenMap = token_map
+conditionAsParseAction = condition_as_parse_action
+nullDebugAction = null_debug_action
+sglQuotedString = sgl_quoted_string
+dblQuotedString = dbl_quoted_string
+quotedString = quoted_string
+unicodeString = unicode_string
+lineStart = line_start
+lineEnd = line_end
+stringStart = string_start
+stringEnd = string_end
+traceParseAction = trace_parse_action
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/diagram/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/diagram/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..895b97b80407cd6a371d8376ad3f5d38f7e5b694
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/diagram/__init__.py
@@ -0,0 +1,593 @@
+import railroad
+from pip._vendor import pyparsing
+from pip._vendor.pkg_resources import resource_filename
+from typing import (
+    List,
+    Optional,
+    NamedTuple,
+    Generic,
+    TypeVar,
+    Dict,
+    Callable,
+    Set,
+    Iterable,
+)
+from jinja2 import Template
+from io import StringIO
+import inspect
+
+with open(resource_filename(__name__, "template.jinja2"), encoding="utf-8") as fp:
+    template = Template(fp.read())
+
+# Note: ideally this would be a dataclass, but we're supporting Python 3.5+ so we can't do this yet
+NamedDiagram = NamedTuple(
+    "NamedDiagram",
+    [("name", str), ("diagram", Optional[railroad.DiagramItem]), ("index", int)],
+)
+"""
+A simple structure for associating a name with a railroad diagram
+"""
+
+T = TypeVar("T")
+
+
+class EachItem(railroad.Group):
+    """
+    Custom railroad item to compose a:
+    - Group containing a
+      - OneOrMore containing a
+        - Choice of the elements in the Each
+    with the group label indicating that all must be matched
+    """
+
+    all_label = "[ALL]"
+
+    def __init__(self, *items):
+        choice_item = railroad.Choice(len(items) - 1, *items)
+        one_or_more_item = railroad.OneOrMore(item=choice_item)
+        super().__init__(one_or_more_item, label=self.all_label)
+
+
+class AnnotatedItem(railroad.Group):
+    """
+    Simple subclass of Group that creates an annotation label
+    """
+
+    def __init__(self, label: str, item):
+        super().__init__(item=item, label="[{}]".format(label))
+
+
+class EditablePartial(Generic[T]):
+    """
+    Acts like a functools.partial, but can be edited. In other words, it represents a type that hasn't yet been
+    constructed.
+    """
+
+    # We need this here because the railroad constructors actually transform the data, so can't be called until the
+    # entire tree is assembled
+
+    def __init__(self, func: Callable[..., T], args: list, kwargs: dict):
+        self.func = func
+        self.args = args
+        self.kwargs = kwargs
+
+    @classmethod
+    def from_call(cls, func: Callable[..., T], *args, **kwargs) -> "EditablePartial[T]":
+        """
+        If you call this function in the same way that you would call the constructor, it will store the arguments
+        as you expect. For example EditablePartial.from_call(Fraction, 1, 3)() == Fraction(1, 3)
+        """
+        return EditablePartial(func=func, args=list(args), kwargs=kwargs)
+
+    @property
+    def name(self):
+        return self.kwargs["name"]
+
+    def __call__(self) -> T:
+        """
+        Evaluate the partial and return the result
+        """
+        args = self.args.copy()
+        kwargs = self.kwargs.copy()
+
+        # This is a helpful hack to allow you to specify varargs parameters (e.g. *args) as keyword args (e.g.
+        # args=['list', 'of', 'things'])
+        arg_spec = inspect.getfullargspec(self.func)
+        if arg_spec.varargs in self.kwargs:
+            args += kwargs.pop(arg_spec.varargs)
+
+        return self.func(*args, **kwargs)
+
+
+def railroad_to_html(diagrams: List[NamedDiagram], **kwargs) -> str:
+    """
+    Given a list of NamedDiagram, produce a single HTML string that visualises those diagrams
+    :params kwargs: kwargs to be passed in to the template
+    """
+    data = []
+    for diagram in diagrams:
+        io = StringIO()
+        diagram.diagram.writeSvg(io.write)
+        title = diagram.name
+        if diagram.index == 0:
+            title += " (root)"
+        data.append({"title": title, "text": "", "svg": io.getvalue()})
+
+    return template.render(diagrams=data, **kwargs)
+
+
+def resolve_partial(partial: "EditablePartial[T]") -> T:
+    """
+    Recursively resolves a collection of Partials into whatever type they are
+    """
+    if isinstance(partial, EditablePartial):
+        partial.args = resolve_partial(partial.args)
+        partial.kwargs = resolve_partial(partial.kwargs)
+        return partial()
+    elif isinstance(partial, list):
+        return [resolve_partial(x) for x in partial]
+    elif isinstance(partial, dict):
+        return {key: resolve_partial(x) for key, x in partial.items()}
+    else:
+        return partial
+
+
+def to_railroad(
+    element: pyparsing.ParserElement,
+    diagram_kwargs: Optional[dict] = None,
+    vertical: int = 3,
+    show_results_names: bool = False,
+) -> List[NamedDiagram]:
+    """
+    Convert a pyparsing element tree into a list of diagrams. This is the recommended entrypoint to diagram
+    creation if you want to access the Railroad tree before it is converted to HTML
+    :param element: base element of the parser being diagrammed
+    :param diagram_kwargs: kwargs to pass to the Diagram() constructor
+    :param vertical: (optional) - int - limit at which number of alternatives should be
+       shown vertically instead of horizontally
+    :param show_results_names - bool to indicate whether results name annotations should be
+       included in the diagram
+    """
+    # Convert the whole tree underneath the root
+    lookup = ConverterState(diagram_kwargs=diagram_kwargs or {})
+    _to_diagram_element(
+        element,
+        lookup=lookup,
+        parent=None,
+        vertical=vertical,
+        show_results_names=show_results_names,
+    )
+
+    root_id = id(element)
+    # Convert the root if it hasn't been already
+    if root_id in lookup:
+        if not element.customName:
+            lookup[root_id].name = ""
+        lookup[root_id].mark_for_extraction(root_id, lookup, force=True)
+
+    # Now that we're finished, we can convert from intermediate structures into Railroad elements
+    diags = list(lookup.diagrams.values())
+    if len(diags) > 1:
+        # collapse out duplicate diags with the same name
+        seen = set()
+        deduped_diags = []
+        for d in diags:
+            # don't extract SkipTo elements, they are uninformative as subdiagrams
+            if d.name == "...":
+                continue
+            if d.name is not None and d.name not in seen:
+                seen.add(d.name)
+                deduped_diags.append(d)
+        resolved = [resolve_partial(partial) for partial in deduped_diags]
+    else:
+        # special case - if just one diagram, always display it, even if
+        # it has no name
+        resolved = [resolve_partial(partial) for partial in diags]
+    return sorted(resolved, key=lambda diag: diag.index)
+
+
+def _should_vertical(
+    specification: int, exprs: Iterable[pyparsing.ParserElement]
+) -> bool:
+    """
+    Returns true if we should return a vertical list of elements
+    """
+    if specification is None:
+        return False
+    else:
+        return len(_visible_exprs(exprs)) >= specification
+
+
+class ElementState:
+    """
+    State recorded for an individual pyparsing Element
+    """
+
+    # Note: this should be a dataclass, but we have to support Python 3.5
+    def __init__(
+        self,
+        element: pyparsing.ParserElement,
+        converted: EditablePartial,
+        parent: EditablePartial,
+        number: int,
+        name: str = None,
+        parent_index: Optional[int] = None,
+    ):
+        #: The pyparsing element that this represents
+        self.element: pyparsing.ParserElement = element
+        #: The name of the element
+        self.name: str = name
+        #: The output Railroad element in an unconverted state
+        self.converted: EditablePartial = converted
+        #: The parent Railroad element, which we store so that we can extract this if it's duplicated
+        self.parent: EditablePartial = parent
+        #: The order in which we found this element, used for sorting diagrams if this is extracted into a diagram
+        self.number: int = number
+        #: The index of this inside its parent
+        self.parent_index: Optional[int] = parent_index
+        #: If true, we should extract this out into a subdiagram
+        self.extract: bool = False
+        #: If true, all of this element's children have been filled out
+        self.complete: bool = False
+
+    def mark_for_extraction(
+        self, el_id: int, state: "ConverterState", name: str = None, force: bool = False
+    ):
+        """
+        Called when this instance has been seen twice, and thus should eventually be extracted into a sub-diagram
+        :param el_id: id of the element
+        :param state: element/diagram state tracker
+        :param name: name to use for this element's text
+        :param force: If true, force extraction now, regardless of the state of this. Only useful for extracting the
+        root element when we know we're finished
+        """
+        self.extract = True
+
+        # Set the name
+        if not self.name:
+            if name:
+                # Allow forcing a custom name
+                self.name = name
+            elif self.element.customName:
+                self.name = self.element.customName
+            else:
+                self.name = ""
+
+        # Just because this is marked for extraction doesn't mean we can do it yet. We may have to wait for children
+        # to be added
+        # Also, if this is just a string literal etc, don't bother extracting it
+        if force or (self.complete and _worth_extracting(self.element)):
+            state.extract_into_diagram(el_id)
+
+
+class ConverterState:
+    """
+    Stores some state that persists between recursions into the element tree
+    """
+
+    def __init__(self, diagram_kwargs: Optional[dict] = None):
+        #: A dictionary mapping ParserElements to state relating to them
+        self._element_diagram_states: Dict[int, ElementState] = {}
+        #: A dictionary mapping ParserElement IDs to subdiagrams generated from them
+        self.diagrams: Dict[int, EditablePartial[NamedDiagram]] = {}
+        #: The index of the next unnamed element
+        self.unnamed_index: int = 1
+        #: The index of the next element. This is used for sorting
+        self.index: int = 0
+        #: Shared kwargs that are used to customize the construction of diagrams
+        self.diagram_kwargs: dict = diagram_kwargs or {}
+        self.extracted_diagram_names: Set[str] = set()
+
+    def __setitem__(self, key: int, value: ElementState):
+        self._element_diagram_states[key] = value
+
+    def __getitem__(self, key: int) -> ElementState:
+        return self._element_diagram_states[key]
+
+    def __delitem__(self, key: int):
+        del self._element_diagram_states[key]
+
+    def __contains__(self, key: int):
+        return key in self._element_diagram_states
+
+    def generate_unnamed(self) -> int:
+        """
+        Generate a number used in the name of an otherwise unnamed diagram
+        """
+        self.unnamed_index += 1
+        return self.unnamed_index
+
+    def generate_index(self) -> int:
+        """
+        Generate a number used to index a diagram
+        """
+        self.index += 1
+        return self.index
+
+    def extract_into_diagram(self, el_id: int):
+        """
+        Used when we encounter the same token twice in the same tree. When this
+        happens, we replace all instances of that token with a terminal, and
+        create a new subdiagram for the token
+        """
+        position = self[el_id]
+
+        # Replace the original definition of this element with a regular block
+        if position.parent:
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=position.name)
+            if "item" in position.parent.kwargs:
+                position.parent.kwargs["item"] = ret
+            elif "items" in position.parent.kwargs:
+                position.parent.kwargs["items"][position.parent_index] = ret
+
+        # If the element we're extracting is a group, skip to its content but keep the title
+        if position.converted.func == railroad.Group:
+            content = position.converted.kwargs["item"]
+        else:
+            content = position.converted
+
+        self.diagrams[el_id] = EditablePartial.from_call(
+            NamedDiagram,
+            name=position.name,
+            diagram=EditablePartial.from_call(
+                railroad.Diagram, content, **self.diagram_kwargs
+            ),
+            index=position.number,
+        )
+
+        del self[el_id]
+
+
+def _worth_extracting(element: pyparsing.ParserElement) -> bool:
+    """
+    Returns true if this element is worth having its own sub-diagram. Simply, if any of its children
+    themselves have children, then its complex enough to extract
+    """
+    children = element.recurse()
+    return any(child.recurse() for child in children)
+
+
+def _apply_diagram_item_enhancements(fn):
+    """
+    decorator to ensure enhancements to a diagram item (such as results name annotations)
+    get applied on return from _to_diagram_element (we do this since there are several
+    returns in _to_diagram_element)
+    """
+
+    def _inner(
+        element: pyparsing.ParserElement,
+        parent: Optional[EditablePartial],
+        lookup: ConverterState = None,
+        vertical: int = None,
+        index: int = 0,
+        name_hint: str = None,
+        show_results_names: bool = False,
+    ) -> Optional[EditablePartial]:
+
+        ret = fn(
+            element,
+            parent,
+            lookup,
+            vertical,
+            index,
+            name_hint,
+            show_results_names,
+        )
+
+        # apply annotation for results name, if present
+        if show_results_names and ret is not None:
+            element_results_name = element.resultsName
+            if element_results_name:
+                # add "*" to indicate if this is a "list all results" name
+                element_results_name += "" if element.modalResults else "*"
+                ret = EditablePartial.from_call(
+                    railroad.Group, item=ret, label=element_results_name
+                )
+
+        return ret
+
+    return _inner
+
+
+def _visible_exprs(exprs: Iterable[pyparsing.ParserElement]):
+    non_diagramming_exprs = (
+        pyparsing.ParseElementEnhance,
+        pyparsing.PositionToken,
+        pyparsing.And._ErrorStop,
+    )
+    return [
+        e
+        for e in exprs
+        if not (e.customName or e.resultsName or isinstance(e, non_diagramming_exprs))
+    ]
+
+
+@_apply_diagram_item_enhancements
+def _to_diagram_element(
+    element: pyparsing.ParserElement,
+    parent: Optional[EditablePartial],
+    lookup: ConverterState = None,
+    vertical: int = None,
+    index: int = 0,
+    name_hint: str = None,
+    show_results_names: bool = False,
+) -> Optional[EditablePartial]:
+    """
+    Recursively converts a PyParsing Element to a railroad Element
+    :param lookup: The shared converter state that keeps track of useful things
+    :param index: The index of this element within the parent
+    :param parent: The parent of this element in the output tree
+    :param vertical: Controls at what point we make a list of elements vertical. If this is an integer (the default),
+    it sets the threshold of the number of items before we go vertical. If True, always go vertical, if False, never
+    do so
+    :param name_hint: If provided, this will override the generated name
+    :param show_results_names: bool flag indicating whether to add annotations for results names
+    :returns: The converted version of the input element, but as a Partial that hasn't yet been constructed
+    """
+    exprs = element.recurse()
+    name = name_hint or element.customName or element.__class__.__name__
+
+    # Python's id() is used to provide a unique identifier for elements
+    el_id = id(element)
+
+    element_results_name = element.resultsName
+
+    # Here we basically bypass processing certain wrapper elements if they contribute nothing to the diagram
+    if not element.customName:
+        if isinstance(
+            element,
+            (
+                pyparsing.TokenConverter,
+                # pyparsing.Forward,
+                pyparsing.Located,
+            ),
+        ):
+            # However, if this element has a useful custom name, and its child does not, we can pass it on to the child
+            if exprs:
+                if not exprs[0].customName:
+                    propagated_name = name
+                else:
+                    propagated_name = None
+
+                return _to_diagram_element(
+                    element.expr,
+                    parent=parent,
+                    lookup=lookup,
+                    vertical=vertical,
+                    index=index,
+                    name_hint=propagated_name,
+                    show_results_names=show_results_names,
+                )
+
+    # If the element isn't worth extracting, we always treat it as the first time we say it
+    if _worth_extracting(element):
+        if el_id in lookup:
+            # If we've seen this element exactly once before, we are only just now finding out that it's a duplicate,
+            # so we have to extract it into a new diagram.
+            looked_up = lookup[el_id]
+            looked_up.mark_for_extraction(el_id, lookup, name=name_hint)
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=looked_up.name)
+            return ret
+
+        elif el_id in lookup.diagrams:
+            # If we have seen the element at least twice before, and have already extracted it into a subdiagram, we
+            # just put in a marker element that refers to the sub-diagram
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+            return ret
+
+    # Recursively convert child elements
+    # Here we find the most relevant Railroad element for matching pyparsing Element
+    # We use ``items=[]`` here to hold the place for where the child elements will go once created
+    if isinstance(element, pyparsing.And):
+        # detect And's created with ``expr*N`` notation - for these use a OneOrMore with a repeat
+        # (all will have the same name, and resultsName)
+        if not exprs:
+            return None
+        if len(set((e.name, e.resultsName) for e in exprs)) == 1:
+            ret = EditablePartial.from_call(
+                railroad.OneOrMore, item="", repeat=str(len(exprs))
+            )
+        elif _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Stack, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif isinstance(element, (pyparsing.Or, pyparsing.MatchFirst)):
+        if not exprs:
+            return None
+        if _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Choice, 0, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.HorizontalChoice, items=[])
+    elif isinstance(element, pyparsing.Each):
+        if not exprs:
+            return None
+        ret = EditablePartial.from_call(EachItem, items=[])
+    elif isinstance(element, pyparsing.NotAny):
+        ret = EditablePartial.from_call(AnnotatedItem, label="NOT", item="")
+    elif isinstance(element, pyparsing.FollowedBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKAHEAD", item="")
+    elif isinstance(element, pyparsing.PrecededBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKBEHIND", item="")
+    elif isinstance(element, pyparsing.Opt):
+        ret = EditablePartial.from_call(railroad.Optional, item="")
+    elif isinstance(element, pyparsing.OneOrMore):
+        ret = EditablePartial.from_call(railroad.OneOrMore, item="")
+    elif isinstance(element, pyparsing.ZeroOrMore):
+        ret = EditablePartial.from_call(railroad.ZeroOrMore, item="")
+    elif isinstance(element, pyparsing.Group):
+        ret = EditablePartial.from_call(
+            railroad.Group, item=None, label=element_results_name
+        )
+    elif isinstance(element, pyparsing.Empty) and not element.customName:
+        # Skip unnamed "Empty" elements
+        ret = None
+    elif len(exprs) > 1:
+        ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif len(exprs) > 0 and not element_results_name:
+        ret = EditablePartial.from_call(railroad.Group, item="", label=name)
+    else:
+        terminal = EditablePartial.from_call(railroad.Terminal, element.defaultName)
+        ret = terminal
+
+    if ret is None:
+        return
+
+    # Indicate this element's position in the tree so we can extract it if necessary
+    lookup[el_id] = ElementState(
+        element=element,
+        converted=ret,
+        parent=parent,
+        parent_index=index,
+        number=lookup.generate_index(),
+    )
+    if element.customName:
+        lookup[el_id].mark_for_extraction(el_id, lookup, element.customName)
+
+    i = 0
+    for expr in exprs:
+        # Add a placeholder index in case we have to extract the child before we even add it to the parent
+        if "items" in ret.kwargs:
+            ret.kwargs["items"].insert(i, None)
+
+        item = _to_diagram_element(
+            expr,
+            parent=ret,
+            lookup=lookup,
+            vertical=vertical,
+            index=i,
+            show_results_names=show_results_names,
+        )
+
+        # Some elements don't need to be shown in the diagram
+        if item is not None:
+            if "item" in ret.kwargs:
+                ret.kwargs["item"] = item
+            elif "items" in ret.kwargs:
+                # If we've already extracted the child, don't touch this index, since it's occupied by a nonterminal
+                ret.kwargs["items"][i] = item
+                i += 1
+        elif "items" in ret.kwargs:
+            # If we're supposed to skip this element, remove it from the parent
+            del ret.kwargs["items"][i]
+
+    # If all this items children are none, skip this item
+    if ret and (
+        ("items" in ret.kwargs and len(ret.kwargs["items"]) == 0)
+        or ("item" in ret.kwargs and ret.kwargs["item"] is None)
+    ):
+        ret = EditablePartial.from_call(railroad.Terminal, name)
+
+    # Mark this element as "complete", ie it has all of its children
+    if el_id in lookup:
+        lookup[el_id].complete = True
+
+    if el_id in lookup and lookup[el_id].extract and lookup[el_id].complete:
+        lookup.extract_into_diagram(el_id)
+        if ret is not None:
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+
+    return ret
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-310.pyc b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-310.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..eb0e4aaa189ad0d19091244ee07ee280e12ce021
Binary files /dev/null and b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-310.pyc differ
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/exceptions.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/exceptions.py
new file mode 100644
index 0000000000000000000000000000000000000000..e06513eb00f723c3cb4efc4188141c2a6e303dd0
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/exceptions.py
@@ -0,0 +1,267 @@
+# exceptions.py
+
+import re
+import sys
+from typing import Optional
+
+from .util import col, line, lineno, _collapse_string_to_ranges
+from .unicode import pyparsing_unicode as ppu
+
+
+class ExceptionWordUnicode(ppu.Latin1, ppu.LatinA, ppu.LatinB, ppu.Greek, ppu.Cyrillic):
+    pass
+
+
+_extract_alphanums = _collapse_string_to_ranges(ExceptionWordUnicode.alphanums)
+_exception_word_extractor = re.compile("([" + _extract_alphanums + "]{1,16})|.")
+
+
+class ParseBaseException(Exception):
+    """base exception class for all parsing runtime exceptions"""
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self,
+        pstr: str,
+        loc: int = 0,
+        msg: Optional[str] = None,
+        elem=None,
+    ):
+        self.loc = loc
+        if msg is None:
+            self.msg = pstr
+            self.pstr = ""
+        else:
+            self.msg = msg
+            self.pstr = pstr
+        self.parser_element = self.parserElement = elem
+        self.args = (pstr, loc, msg)
+
+    @staticmethod
+    def explain_exception(exc, depth=16):
+        """
+        Method to take an exception and translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - exc - exception raised during parsing (need not be a ParseException, in support
+          of Python exceptions that might be raised in a parse action)
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+        """
+        import inspect
+        from .core import ParserElement
+
+        if depth is None:
+            depth = sys.getrecursionlimit()
+        ret = []
+        if isinstance(exc, ParseBaseException):
+            ret.append(exc.line)
+            ret.append(" " * (exc.column - 1) + "^")
+        ret.append("{}: {}".format(type(exc).__name__, exc))
+
+        if depth > 0:
+            callers = inspect.getinnerframes(exc.__traceback__, context=depth)
+            seen = set()
+            for i, ff in enumerate(callers[-depth:]):
+                frm = ff[0]
+
+                f_self = frm.f_locals.get("self", None)
+                if isinstance(f_self, ParserElement):
+                    if frm.f_code.co_name not in ("parseImpl", "_parseNoCache"):
+                        continue
+                    if id(f_self) in seen:
+                        continue
+                    seen.add(id(f_self))
+
+                    self_type = type(f_self)
+                    ret.append(
+                        "{}.{} - {}".format(
+                            self_type.__module__, self_type.__name__, f_self
+                        )
+                    )
+
+                elif f_self is not None:
+                    self_type = type(f_self)
+                    ret.append("{}.{}".format(self_type.__module__, self_type.__name__))
+
+                else:
+                    code = frm.f_code
+                    if code.co_name in ("wrapper", "<module>"):
+                        continue
+
+                    ret.append("{}".format(code.co_name))
+
+                depth -= 1
+                if not depth:
+                    break
+
+        return "\n".join(ret)
+
+    @classmethod
+    def _from_exception(cls, pe):
+        """
+        internal factory method to simplify creating one type of ParseException
+        from another - avoids having __init__ signature conflicts among subclasses
+        """
+        return cls(pe.pstr, pe.loc, pe.msg, pe.parserElement)
+
+    @property
+    def line(self) -> str:
+        """
+        Return the line of text where the exception occurred.
+        """
+        return line(self.loc, self.pstr)
+
+    @property
+    def lineno(self) -> int:
+        """
+        Return the 1-based line number of text where the exception occurred.
+        """
+        return lineno(self.loc, self.pstr)
+
+    @property
+    def col(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    @property
+    def column(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    def __str__(self) -> str:
+        if self.pstr:
+            if self.loc >= len(self.pstr):
+                foundstr = ", found end of text"
+            else:
+                # pull out next word at error location
+                found_match = _exception_word_extractor.match(self.pstr, self.loc)
+                if found_match is not None:
+                    found = found_match.group(0)
+                else:
+                    found = self.pstr[self.loc : self.loc + 1]
+                foundstr = (", found %r" % found).replace(r"\\", "\\")
+        else:
+            foundstr = ""
+        return "{}{}  (at char {}), (line:{}, col:{})".format(
+            self.msg, foundstr, self.loc, self.lineno, self.column
+        )
+
+    def __repr__(self):
+        return str(self)
+
+    def mark_input_line(self, marker_string: str = None, *, markerString=">!<") -> str:
+        """
+        Extracts the exception line from the input string, and marks
+        the location of the exception with a special symbol.
+        """
+        markerString = marker_string if marker_string is not None else markerString
+        line_str = self.line
+        line_column = self.column - 1
+        if markerString:
+            line_str = "".join(
+                (line_str[:line_column], markerString, line_str[line_column:])
+            )
+        return line_str.strip()
+
+    def explain(self, depth=16) -> str:
+        """
+        Method to translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+
+        Example::
+
+            expr = pp.Word(pp.nums) * 3
+            try:
+                expr.parse_string("123 456 A789")
+            except pp.ParseException as pe:
+                print(pe.explain(depth=0))
+
+        prints::
+
+            123 456 A789
+                    ^
+            ParseException: Expected W:(0-9), found 'A'  (at char 8), (line:1, col:9)
+
+        Note: the diagnostic output will include string representations of the expressions
+        that failed to parse. These representations will be more helpful if you use `set_name` to
+        give identifiable names to your expressions. Otherwise they will use the default string
+        forms, which may be cryptic to read.
+
+        Note: pyparsing's default truncation of exception tracebacks may also truncate the
+        stack of expressions that are displayed in the ``explain`` output. To get the full listing
+        of parser expressions, you may have to set ``ParserElement.verbose_stacktrace = True``
+        """
+        return self.explain_exception(self, depth)
+
+    markInputline = mark_input_line
+
+
+class ParseException(ParseBaseException):
+    """
+    Exception thrown when a parse expression doesn't match the input string
+
+    Example::
+
+        try:
+            Word(nums).set_name("integer").parse_string("ABC")
+        except ParseException as pe:
+            print(pe)
+            print("column: {}".format(pe.column))
+
+    prints::
+
+       Expected integer (at char 0), (line:1, col:1)
+        column: 1
+
+    """
+
+
+class ParseFatalException(ParseBaseException):
+    """
+    User-throwable exception thrown when inconsistent parse content
+    is found; stops all parsing immediately
+    """
+
+
+class ParseSyntaxException(ParseFatalException):
+    """
+    Just like :class:`ParseFatalException`, but thrown internally
+    when an :class:`ErrorStop<And._ErrorStop>` ('-' operator) indicates
+    that parsing is to stop immediately because an unbacktrackable
+    syntax error has been found.
+    """
+
+
+class RecursiveGrammarException(Exception):
+    """
+    Exception thrown by :class:`ParserElement.validate` if the
+    grammar could be left-recursive; parser may need to enable
+    left recursion using :class:`ParserElement.enable_left_recursion<ParserElement.enable_left_recursion>`
+    """
+
+    def __init__(self, parseElementList):
+        self.parseElementTrace = parseElementList
+
+    def __str__(self) -> str:
+        return "RecursiveGrammarException: {}".format(self.parseElementTrace)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/helpers.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/helpers.py
new file mode 100644
index 0000000000000000000000000000000000000000..5e7b3ad05eb1e3db46c2870f102db48730568a63
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/helpers.py
@@ -0,0 +1,1069 @@
+# helpers.py
+import html.entities
+import re
+
+from . import __diag__
+from .core import *
+from .util import _bslash, _flatten, _escape_regex_range_chars
+
+
+#
+# global helpers
+#
+def delimited_list(
+    expr: Union[str, ParserElement],
+    delim: Union[str, ParserElement] = ",",
+    combine: bool = False,
+    min: OptionalType[int] = None,
+    max: OptionalType[int] = None,
+    *,
+    allow_trailing_delim: bool = False,
+) -> ParserElement:
+    """Helper to define a delimited list of expressions - the delimiter
+    defaults to ','. By default, the list elements and delimiters can
+    have intervening whitespace, and comments, but this can be
+    overridden by passing ``combine=True`` in the constructor. If
+    ``combine`` is set to ``True``, the matching tokens are
+    returned as a single token string, with the delimiters included;
+    otherwise, the matching tokens are returned as a list of tokens,
+    with the delimiters suppressed.
+
+    If ``allow_trailing_delim`` is set to True, then the list may end with
+    a delimiter.
+
+    Example::
+
+        delimited_list(Word(alphas)).parse_string("aa,bb,cc") # -> ['aa', 'bb', 'cc']
+        delimited_list(Word(hexnums), delim=':', combine=True).parse_string("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE']
+    """
+    if isinstance(expr, str_type):
+        expr = ParserElement._literalStringClass(expr)
+
+    dlName = "{expr} [{delim} {expr}]...{end}".format(
+        expr=str(expr.copy().streamline()),
+        delim=str(delim),
+        end=" [{}]".format(str(delim)) if allow_trailing_delim else "",
+    )
+
+    if not combine:
+        delim = Suppress(delim)
+
+    if min is not None:
+        if min < 1:
+            raise ValueError("min must be greater than 0")
+        min -= 1
+    if max is not None:
+        if min is not None and max <= min:
+            raise ValueError("max must be greater than, or equal to min")
+        max -= 1
+    delimited_list_expr = expr + (delim + expr)[min, max]
+
+    if allow_trailing_delim:
+        delimited_list_expr += Opt(delim)
+
+    if combine:
+        return Combine(delimited_list_expr).set_name(dlName)
+    else:
+        return delimited_list_expr.set_name(dlName)
+
+
+def counted_array(
+    expr: ParserElement,
+    int_expr: OptionalType[ParserElement] = None,
+    *,
+    intExpr: OptionalType[ParserElement] = None,
+) -> ParserElement:
+    """Helper to define a counted list of expressions.
+
+    This helper defines a pattern of the form::
+
+        integer expr expr expr...
+
+    where the leading integer tells how many expr expressions follow.
+    The matched tokens returns the array of expr tokens as a list - the
+    leading count token is suppressed.
+
+    If ``int_expr`` is specified, it should be a pyparsing expression
+    that produces an integer value.
+
+    Example::
+
+        counted_array(Word(alphas)).parse_string('2 ab cd ef')  # -> ['ab', 'cd']
+
+        # in this parser, the leading integer value is given in binary,
+        # '10' indicating that 2 values are in the array
+        binary_constant = Word('01').set_parse_action(lambda t: int(t[0], 2))
+        counted_array(Word(alphas), int_expr=binary_constant).parse_string('10 ab cd ef')  # -> ['ab', 'cd']
+
+        # if other fields must be parsed after the count but before the
+        # list items, give the fields results names and they will
+        # be preserved in the returned ParseResults:
+        count_with_metadata = integer + Word(alphas)("type")
+        typed_array = counted_array(Word(alphanums), int_expr=count_with_metadata)("items")
+        result = typed_array.parse_string("3 bool True True False")
+        print(result.dump())
+
+        # prints
+        # ['True', 'True', 'False']
+        # - items: ['True', 'True', 'False']
+        # - type: 'bool'
+    """
+    intExpr = intExpr or int_expr
+    array_expr = Forward()
+
+    def count_field_parse_action(s, l, t):
+        nonlocal array_expr
+        n = t[0]
+        array_expr <<= (expr * n) if n else Empty()
+        # clear list contents, but keep any named results
+        del t[:]
+
+    if intExpr is None:
+        intExpr = Word(nums).set_parse_action(lambda t: int(t[0]))
+    else:
+        intExpr = intExpr.copy()
+    intExpr.set_name("arrayLen")
+    intExpr.add_parse_action(count_field_parse_action, call_during_try=True)
+    return (intExpr + array_expr).set_name("(len) " + str(expr) + "...")
+
+
+def match_previous_literal(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_literal(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches a previous literal, will also match the leading
+    ``"1:1"`` in ``"1:10"``. If this is not desired, use
+    :class:`match_previous_expr`. Do *not* use with packrat parsing
+    enabled.
+    """
+    rep = Forward()
+
+    def copy_token_to_repeater(s, l, t):
+        if t:
+            if len(t) == 1:
+                rep << t[0]
+            else:
+                # flatten t tokens
+                tflat = _flatten(t.as_list())
+                rep << And(Literal(tt) for tt in tflat)
+        else:
+            rep << Empty()
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def match_previous_expr(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_expr(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches by expressions, will *not* match the leading ``"1:1"``
+    in ``"1:10"``; the expressions are evaluated first, and then
+    compared, so ``"1"`` is compared with ``"10"``. Do *not* use
+    with packrat parsing enabled.
+    """
+    rep = Forward()
+    e2 = expr.copy()
+    rep <<= e2
+
+    def copy_token_to_repeater(s, l, t):
+        matchTokens = _flatten(t.as_list())
+
+        def must_match_these_tokens(s, l, t):
+            theseTokens = _flatten(t.as_list())
+            if theseTokens != matchTokens:
+                raise ParseException(s, l, "Expected {}, found{}".format(matchTokens, theseTokens))
+
+        rep.set_parse_action(must_match_these_tokens, callDuringTry=True)
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def one_of(
+    strs: Union[IterableType[str], str],
+    caseless: bool = False,
+    use_regex: bool = True,
+    as_keyword: bool = False,
+    *,
+    useRegex: bool = True,
+    asKeyword: bool = False,
+) -> ParserElement:
+    """Helper to quickly define a set of alternative :class:`Literal` s,
+    and makes sure to do longest-first testing when there is a conflict,
+    regardless of the input order, but returns
+    a :class:`MatchFirst` for best performance.
+
+    Parameters:
+
+    - ``strs`` - a string of space-delimited literals, or a collection of
+      string literals
+    - ``caseless`` - treat all literals as caseless - (default= ``False``)
+    - ``use_regex`` - as an optimization, will
+      generate a :class:`Regex` object; otherwise, will generate
+      a :class:`MatchFirst` object (if ``caseless=True`` or ``asKeyword=True``, or if
+      creating a :class:`Regex` raises an exception) - (default= ``True``)
+    - ``as_keyword`` - enforce :class:`Keyword`-style matching on the
+      generated expressions - (default= ``False``)
+    - ``asKeyword`` and ``useRegex`` are retained for pre-PEP8 compatibility,
+      but will be removed in a future release
+
+    Example::
+
+        comp_oper = one_of("< = > <= >= !=")
+        var = Word(alphas)
+        number = Word(nums)
+        term = var | number
+        comparison_expr = term + comp_oper + term
+        print(comparison_expr.search_string("B = 12  AA=23 B<=AA AA>12"))
+
+    prints::
+
+        [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']]
+    """
+    asKeyword = asKeyword or as_keyword
+    useRegex = useRegex and use_regex
+
+    if (
+        isinstance(caseless, str_type)
+        and __diag__.warn_on_multiple_string_args_to_oneof
+    ):
+        warnings.warn(
+            "More than one string argument passed to one_of, pass"
+            " choices as a list or space-delimited string",
+            stacklevel=2,
+        )
+
+    if caseless:
+        isequal = lambda a, b: a.upper() == b.upper()
+        masks = lambda a, b: b.upper().startswith(a.upper())
+        parseElementClass = CaselessKeyword if asKeyword else CaselessLiteral
+    else:
+        isequal = lambda a, b: a == b
+        masks = lambda a, b: b.startswith(a)
+        parseElementClass = Keyword if asKeyword else Literal
+
+    symbols: List[str] = []
+    if isinstance(strs, str_type):
+        symbols = strs.split()
+    elif isinstance(strs, Iterable):
+        symbols = list(strs)
+    else:
+        raise TypeError("Invalid argument to one_of, expected string or iterable")
+    if not symbols:
+        return NoMatch()
+
+    # reorder given symbols to take care to avoid masking longer choices with shorter ones
+    # (but only if the given symbols are not just single characters)
+    if any(len(sym) > 1 for sym in symbols):
+        i = 0
+        while i < len(symbols) - 1:
+            cur = symbols[i]
+            for j, other in enumerate(symbols[i + 1 :]):
+                if isequal(other, cur):
+                    del symbols[i + j + 1]
+                    break
+                elif masks(cur, other):
+                    del symbols[i + j + 1]
+                    symbols.insert(i, other)
+                    break
+            else:
+                i += 1
+
+    if useRegex:
+        re_flags: int = re.IGNORECASE if caseless else 0
+
+        try:
+            if all(len(sym) == 1 for sym in symbols):
+                # symbols are just single characters, create range regex pattern
+                patt = "[{}]".format(
+                    "".join(_escape_regex_range_chars(sym) for sym in symbols)
+                )
+            else:
+                patt = "|".join(re.escape(sym) for sym in symbols)
+
+            # wrap with \b word break markers if defining as keywords
+            if asKeyword:
+                patt = r"\b(?:{})\b".format(patt)
+
+            ret = Regex(patt, flags=re_flags).set_name(" | ".join(symbols))
+
+            if caseless:
+                # add parse action to return symbols as specified, not in random
+                # casing as found in input string
+                symbol_map = {sym.lower(): sym for sym in symbols}
+                ret.add_parse_action(lambda s, l, t: symbol_map[t[0].lower()])
+
+            return ret
+
+        except sre_constants.error:
+            warnings.warn(
+                "Exception creating Regex for one_of, building MatchFirst", stacklevel=2
+            )
+
+    # last resort, just use MatchFirst
+    return MatchFirst(parseElementClass(sym) for sym in symbols).set_name(
+        " | ".join(symbols)
+    )
+
+
+def dict_of(key: ParserElement, value: ParserElement) -> ParserElement:
+    """Helper to easily and clearly define a dictionary by specifying
+    the respective patterns for the key and value.  Takes care of
+    defining the :class:`Dict`, :class:`ZeroOrMore`, and
+    :class:`Group` tokens in the proper order.  The key pattern
+    can include delimiting markers or punctuation, as long as they are
+    suppressed, thereby leaving the significant key text.  The value
+    pattern can include named results, so that the :class:`Dict` results
+    can include named token fields.
+
+    Example::
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        print(OneOrMore(attr_expr).parse_string(text).dump())
+
+        attr_label = label
+        attr_value = Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join)
+
+        # similar to Dict, but simpler call format
+        result = dict_of(attr_label, attr_value).parse_string(text)
+        print(result.dump())
+        print(result['shape'])
+        print(result.shape)  # object attribute access works too
+        print(result.as_dict())
+
+    prints::
+
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: light blue
+        - posn: upper left
+        - shape: SQUARE
+        - texture: burlap
+        SQUARE
+        SQUARE
+        {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'}
+    """
+    return Dict(OneOrMore(Group(key + value)))
+
+
+def original_text_for(
+    expr: ParserElement, as_string: bool = True, *, asString: bool = True
+) -> ParserElement:
+    """Helper to return the original, untokenized text for a given
+    expression.  Useful to restore the parsed fields of an HTML start
+    tag into the raw tag text itself, or to revert separate tokens with
+    intervening whitespace back to the original matching input text. By
+    default, returns astring containing the original parsed text.
+
+    If the optional ``as_string`` argument is passed as
+    ``False``, then the return value is
+    a :class:`ParseResults` containing any results names that
+    were originally matched, and a single token containing the original
+    matched text from the input string.  So if the expression passed to
+    :class:`original_text_for` contains expressions with defined
+    results names, you must set ``as_string`` to ``False`` if you
+    want to preserve those results name values.
+
+    The ``asString`` pre-PEP8 argument is retained for compatibility,
+    but will be removed in a future release.
+
+    Example::
+
+        src = "this is test <b> bold <i>text</i> </b> normal text "
+        for tag in ("b", "i"):
+            opener, closer = make_html_tags(tag)
+            patt = original_text_for(opener + SkipTo(closer) + closer)
+            print(patt.search_string(src)[0])
+
+    prints::
+
+        ['<b> bold <i>text</i> </b>']
+        ['<i>text</i>']
+    """
+    asString = asString and as_string
+
+    locMarker = Empty().set_parse_action(lambda s, loc, t: loc)
+    endlocMarker = locMarker.copy()
+    endlocMarker.callPreparse = False
+    matchExpr = locMarker("_original_start") + expr + endlocMarker("_original_end")
+    if asString:
+        extractText = lambda s, l, t: s[t._original_start : t._original_end]
+    else:
+
+        def extractText(s, l, t):
+            t[:] = [s[t.pop("_original_start") : t.pop("_original_end")]]
+
+    matchExpr.set_parse_action(extractText)
+    matchExpr.ignoreExprs = expr.ignoreExprs
+    matchExpr.suppress_warning(Diagnostics.warn_ungrouped_named_tokens_in_collection)
+    return matchExpr
+
+
+def ungroup(expr: ParserElement) -> ParserElement:
+    """Helper to undo pyparsing's default grouping of And expressions,
+    even if all but one are non-empty.
+    """
+    return TokenConverter(expr).add_parse_action(lambda t: t[0])
+
+
+def locatedExpr(expr: ParserElement) -> ParserElement:
+    """
+    (DEPRECATED - future code should use the Located class)
+    Helper to decorate a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parseWithTabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in locatedExpr(wd).searchString("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [[0, 'ljsdf', 5]]
+        [[8, 'lksdjjf', 15]]
+        [[18, 'lkkjj', 23]]
+    """
+    locator = Empty().set_parse_action(lambda ss, ll, tt: ll)
+    return Group(
+        locator("locn_start")
+        + expr("value")
+        + locator.copy().leaveWhitespace()("locn_end")
+    )
+
+
+def nested_expr(
+    opener: Union[str, ParserElement] = "(",
+    closer: Union[str, ParserElement] = ")",
+    content: OptionalType[ParserElement] = None,
+    ignore_expr: ParserElement = quoted_string(),
+    *,
+    ignoreExpr: ParserElement = quoted_string(),
+) -> ParserElement:
+    """Helper method for defining nested lists enclosed in opening and
+    closing delimiters (``"("`` and ``")"`` are the default).
+
+    Parameters:
+    - ``opener`` - opening character for a nested list
+      (default= ``"("``); can also be a pyparsing expression
+    - ``closer`` - closing character for a nested list
+      (default= ``")"``); can also be a pyparsing expression
+    - ``content`` - expression for items within the nested lists
+      (default= ``None``)
+    - ``ignore_expr`` - expression for ignoring opening and closing delimiters
+      (default= :class:`quoted_string`)
+    - ``ignoreExpr`` - this pre-PEP8 argument is retained for compatibility
+      but will be removed in a future release
+
+    If an expression is not provided for the content argument, the
+    nested expression will capture all whitespace-delimited content
+    between delimiters as a list of separate values.
+
+    Use the ``ignore_expr`` argument to define expressions that may
+    contain opening or closing characters that should not be treated as
+    opening or closing characters for nesting, such as quoted_string or
+    a comment expression.  Specify multiple expressions using an
+    :class:`Or` or :class:`MatchFirst`. The default is
+    :class:`quoted_string`, but if no expressions are to be ignored, then
+    pass ``None`` for this argument.
+
+    Example::
+
+        data_type = one_of("void int short long char float double")
+        decl_data_type = Combine(data_type + Opt(Word('*')))
+        ident = Word(alphas+'_', alphanums+'_')
+        number = pyparsing_common.number
+        arg = Group(decl_data_type + ident)
+        LPAR, RPAR = map(Suppress, "()")
+
+        code_body = nested_expr('{', '}', ignore_expr=(quoted_string | c_style_comment))
+
+        c_function = (decl_data_type("type")
+                      + ident("name")
+                      + LPAR + Opt(delimited_list(arg), [])("args") + RPAR
+                      + code_body("body"))
+        c_function.ignore(c_style_comment)
+
+        source_code = '''
+            int is_odd(int x) {
+                return (x%2);
+            }
+
+            int dec_to_hex(char hchar) {
+                if (hchar >= '0' && hchar <= '9') {
+                    return (ord(hchar)-ord('0'));
+                } else {
+                    return (10+ord(hchar)-ord('A'));
+                }
+            }
+        '''
+        for func in c_function.search_string(source_code):
+            print("%(name)s (%(type)s) args: %(args)s" % func)
+
+
+    prints::
+
+        is_odd (int) args: [['int', 'x']]
+        dec_to_hex (int) args: [['char', 'hchar']]
+    """
+    if ignoreExpr != ignore_expr:
+        ignoreExpr = ignore_expr if ignoreExpr == quoted_string() else ignoreExpr
+    if opener == closer:
+        raise ValueError("opening and closing strings cannot be the same")
+    if content is None:
+        if isinstance(opener, str_type) and isinstance(closer, str_type):
+            if len(opener) == 1 and len(closer) == 1:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + CharsNotIn(
+                                opener + closer + ParserElement.DEFAULT_WHITE_CHARS,
+                                exact=1,
+                            )
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = empty.copy() + CharsNotIn(
+                        opener + closer + ParserElement.DEFAULT_WHITE_CHARS
+                    ).set_parse_action(lambda t: t[0].strip())
+            else:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = Combine(
+                        OneOrMore(
+                            ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+        else:
+            raise ValueError(
+                "opening and closing arguments must be strings if no content expression is given"
+            )
+    ret = Forward()
+    if ignoreExpr is not None:
+        ret <<= Group(
+            Suppress(opener) + ZeroOrMore(ignoreExpr | ret | content) + Suppress(closer)
+        )
+    else:
+        ret <<= Group(Suppress(opener) + ZeroOrMore(ret | content) + Suppress(closer))
+    ret.set_name("nested %s%s expression" % (opener, closer))
+    return ret
+
+
+def _makeTags(tagStr, xml, suppress_LT=Suppress("<"), suppress_GT=Suppress(">")):
+    """Internal helper to construct opening and closing tag expressions, given a tag name"""
+    if isinstance(tagStr, str_type):
+        resname = tagStr
+        tagStr = Keyword(tagStr, caseless=not xml)
+    else:
+        resname = tagStr.name
+
+    tagAttrName = Word(alphas, alphanums + "_-:")
+    if xml:
+        tagAttrValue = dbl_quoted_string.copy().set_parse_action(remove_quotes)
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(ZeroOrMore(Group(tagAttrName + Suppress("=") + tagAttrValue)))
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    else:
+        tagAttrValue = quoted_string.copy().set_parse_action(remove_quotes) | Word(
+            printables, exclude_chars=">"
+        )
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(
+                ZeroOrMore(
+                    Group(
+                        tagAttrName.set_parse_action(lambda t: t[0].lower())
+                        + Opt(Suppress("=") + tagAttrValue)
+                    )
+                )
+            )
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    closeTag = Combine(Literal("</") + tagStr + ">", adjacent=False)
+
+    openTag.set_name("<%s>" % resname)
+    # add start<tagname> results name in parse action now that ungrouped names are not reported at two levels
+    openTag.add_parse_action(
+        lambda t: t.__setitem__(
+            "start" + "".join(resname.replace(":", " ").title().split()), t.copy()
+        )
+    )
+    closeTag = closeTag(
+        "end" + "".join(resname.replace(":", " ").title().split())
+    ).set_name("</%s>" % resname)
+    openTag.tag = resname
+    closeTag.tag = resname
+    openTag.tag_body = SkipTo(closeTag())
+    return openTag, closeTag
+
+
+def make_html_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for HTML,
+    given a tag name. Matches tags in either upper or lower case,
+    attributes with namespaces and with quoted or unquoted values.
+
+    Example::
+
+        text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+        # make_html_tags returns pyparsing expressions for the opening and
+        # closing tags as a 2-tuple
+        a, a_end = make_html_tags("A")
+        link_expr = a + SkipTo(a_end)("link_text") + a_end
+
+        for link in link_expr.search_string(text):
+            # attributes in the <A> tag (like "href" shown here) are
+            # also accessible as named results
+            print(link.link_text, '->', link.href)
+
+    prints::
+
+        pyparsing -> https://github.com/pyparsing/pyparsing/wiki
+    """
+    return _makeTags(tag_str, False)
+
+
+def make_xml_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for XML,
+    given a tag name. Matches tags only in the given upper/lower case.
+
+    Example: similar to :class:`make_html_tags`
+    """
+    return _makeTags(tag_str, True)
+
+
+any_open_tag, any_close_tag = make_html_tags(
+    Word(alphas, alphanums + "_:").set_name("any tag")
+)
+
+_htmlEntityMap = {k.rstrip(";"): v for k, v in html.entities.html5.items()}
+common_html_entity = Regex("&(?P<entity>" + "|".join(_htmlEntityMap) + ");").set_name(
+    "common HTML entity"
+)
+
+
+def replace_html_entity(t):
+    """Helper parser action to replace common HTML entities with their special characters"""
+    return _htmlEntityMap.get(t.entity)
+
+
+class OpAssoc(Enum):
+    LEFT = 1
+    RIGHT = 2
+
+
+InfixNotationOperatorArgType = Union[
+    ParserElement, str, Tuple[Union[ParserElement, str], Union[ParserElement, str]]
+]
+InfixNotationOperatorSpec = Union[
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+        OptionalType[ParseAction],
+    ],
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+    ],
+]
+
+
+def infix_notation(
+    base_expr: ParserElement,
+    op_list: List[InfixNotationOperatorSpec],
+    lpar: Union[str, ParserElement] = Suppress("("),
+    rpar: Union[str, ParserElement] = Suppress(")"),
+) -> ParserElement:
+    """Helper method for constructing grammars of expressions made up of
+    operators working in a precedence hierarchy.  Operators may be unary
+    or binary, left- or right-associative.  Parse actions can also be
+    attached to operator expressions. The generated parser will also
+    recognize the use of parentheses to override operator precedences
+    (see example below).
+
+    Note: if you define a deep operator list, you may see performance
+    issues when using infix_notation. See
+    :class:`ParserElement.enable_packrat` for a mechanism to potentially
+    improve your parser performance.
+
+    Parameters:
+    - ``base_expr`` - expression representing the most basic operand to
+      be used in the expression
+    - ``op_list`` - list of tuples, one for each operator precedence level
+      in the expression grammar; each tuple is of the form ``(op_expr,
+      num_operands, right_left_assoc, (optional)parse_action)``, where:
+
+      - ``op_expr`` is the pyparsing expression for the operator; may also
+        be a string, which will be converted to a Literal; if ``num_operands``
+        is 3, ``op_expr`` is a tuple of two expressions, for the two
+        operators separating the 3 terms
+      - ``num_operands`` is the number of terms for this operator (must be 1,
+        2, or 3)
+      - ``right_left_assoc`` is the indicator whether the operator is right
+        or left associative, using the pyparsing-defined constants
+        ``OpAssoc.RIGHT`` and ``OpAssoc.LEFT``.
+      - ``parse_action`` is the parse action to be associated with
+        expressions matching this operator expression (the parse action
+        tuple member may be omitted); if the parse action is passed
+        a tuple or list of functions, this is equivalent to calling
+        ``set_parse_action(*fn)``
+        (:class:`ParserElement.set_parse_action`)
+    - ``lpar`` - expression for matching left-parentheses
+      (default= ``Suppress('(')``)
+    - ``rpar`` - expression for matching right-parentheses
+      (default= ``Suppress(')')``)
+
+    Example::
+
+        # simple example of four-function arithmetic with ints and
+        # variable names
+        integer = pyparsing_common.signed_integer
+        varname = pyparsing_common.identifier
+
+        arith_expr = infix_notation(integer | varname,
+            [
+            ('-', 1, OpAssoc.RIGHT),
+            (one_of('* /'), 2, OpAssoc.LEFT),
+            (one_of('+ -'), 2, OpAssoc.LEFT),
+            ])
+
+        arith_expr.run_tests('''
+            5+3*6
+            (5+3)*6
+            -2--11
+            ''', full_dump=False)
+
+    prints::
+
+        5+3*6
+        [[5, '+', [3, '*', 6]]]
+
+        (5+3)*6
+        [[[5, '+', 3], '*', 6]]
+
+        -2--11
+        [[['-', 2], '-', ['-', 11]]]
+    """
+    # captive version of FollowedBy that does not do parse actions or capture results names
+    class _FB(FollowedBy):
+        def parseImpl(self, instring, loc, doActions=True):
+            self.expr.try_parse(instring, loc)
+            return loc, []
+
+    _FB.__name__ = "FollowedBy>"
+
+    ret = Forward()
+    lpar = Suppress(lpar)
+    rpar = Suppress(rpar)
+    lastExpr = base_expr | (lpar + ret + rpar)
+    for i, operDef in enumerate(op_list):
+        opExpr, arity, rightLeftAssoc, pa = (operDef + (None,))[:4]
+        if isinstance(opExpr, str_type):
+            opExpr = ParserElement._literalStringClass(opExpr)
+        if arity == 3:
+            if not isinstance(opExpr, (tuple, list)) or len(opExpr) != 2:
+                raise ValueError(
+                    "if numterms=3, opExpr must be a tuple or list of two expressions"
+                )
+            opExpr1, opExpr2 = opExpr
+            term_name = "{}{} term".format(opExpr1, opExpr2)
+        else:
+            term_name = "{} term".format(opExpr)
+
+        if not 1 <= arity <= 3:
+            raise ValueError("operator must be unary (1), binary (2), or ternary (3)")
+
+        if rightLeftAssoc not in (OpAssoc.LEFT, OpAssoc.RIGHT):
+            raise ValueError("operator must indicate right or left associativity")
+
+        thisExpr = Forward().set_name(term_name)
+        if rightLeftAssoc is OpAssoc.LEFT:
+            if arity == 1:
+                matchExpr = _FB(lastExpr + opExpr) + Group(lastExpr + opExpr[1, ...])
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + lastExpr) + Group(
+                        lastExpr + (opExpr + lastExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + lastExpr) + Group(lastExpr[2, ...])
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr
+                ) + Group(lastExpr + OneOrMore(opExpr1 + lastExpr + opExpr2 + lastExpr))
+        elif rightLeftAssoc is OpAssoc.RIGHT:
+            if arity == 1:
+                # try to avoid LR with this extra test
+                if not isinstance(opExpr, Opt):
+                    opExpr = Opt(opExpr)
+                matchExpr = _FB(opExpr.expr + thisExpr) + Group(opExpr + thisExpr)
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + thisExpr) + Group(
+                        lastExpr + (opExpr + thisExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + thisExpr) + Group(
+                        lastExpr + thisExpr[1, ...]
+                    )
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr
+                ) + Group(lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr)
+        if pa:
+            if isinstance(pa, (tuple, list)):
+                matchExpr.set_parse_action(*pa)
+            else:
+                matchExpr.set_parse_action(pa)
+        thisExpr <<= (matchExpr | lastExpr).setName(term_name)
+        lastExpr = thisExpr
+    ret <<= lastExpr
+    return ret
+
+
+def indentedBlock(blockStatementExpr, indentStack, indent=True, backup_stacks=[]):
+    """
+    (DEPRECATED - use IndentedBlock class instead)
+    Helper method for defining space-delimited indentation blocks,
+    such as those used to define block statements in Python source code.
+
+    Parameters:
+
+    - ``blockStatementExpr`` - expression defining syntax of statement that
+      is repeated within the indented block
+    - ``indentStack`` - list created by caller to manage indentation stack
+      (multiple ``statementWithIndentedBlock`` expressions within a single
+      grammar should share a common ``indentStack``)
+    - ``indent`` - boolean indicating whether block must be indented beyond
+      the current level; set to ``False`` for block of left-most statements
+      (default= ``True``)
+
+    A valid block must contain at least one ``blockStatement``.
+
+    (Note that indentedBlock uses internal parse actions which make it
+    incompatible with packrat parsing.)
+
+    Example::
+
+        data = '''
+        def A(z):
+          A1
+          B = 100
+          G = A2
+          A2
+          A3
+        B
+        def BB(a,b,c):
+          BB1
+          def BBA():
+            bba1
+            bba2
+            bba3
+        C
+        D
+        def spam(x,y):
+             def eggs(z):
+                 pass
+        '''
+
+
+        indentStack = [1]
+        stmt = Forward()
+
+        identifier = Word(alphas, alphanums)
+        funcDecl = ("def" + identifier + Group("(" + Opt(delimitedList(identifier)) + ")") + ":")
+        func_body = indentedBlock(stmt, indentStack)
+        funcDef = Group(funcDecl + func_body)
+
+        rvalue = Forward()
+        funcCall = Group(identifier + "(" + Opt(delimitedList(rvalue)) + ")")
+        rvalue << (funcCall | identifier | Word(nums))
+        assignment = Group(identifier + "=" + rvalue)
+        stmt << (funcDef | assignment | identifier)
+
+        module_body = OneOrMore(stmt)
+
+        parseTree = module_body.parseString(data)
+        parseTree.pprint()
+
+    prints::
+
+        [['def',
+          'A',
+          ['(', 'z', ')'],
+          ':',
+          [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]],
+         'B',
+         ['def',
+          'BB',
+          ['(', 'a', 'b', 'c', ')'],
+          ':',
+          [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]],
+         'C',
+         'D',
+         ['def',
+          'spam',
+          ['(', 'x', 'y', ')'],
+          ':',
+          [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]]
+    """
+    backup_stacks.append(indentStack[:])
+
+    def reset_stack():
+        indentStack[:] = backup_stacks[-1]
+
+    def checkPeerIndent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if curCol != indentStack[-1]:
+            if curCol > indentStack[-1]:
+                raise ParseException(s, l, "illegal nesting")
+            raise ParseException(s, l, "not a peer entry")
+
+    def checkSubIndent(s, l, t):
+        curCol = col(l, s)
+        if curCol > indentStack[-1]:
+            indentStack.append(curCol)
+        else:
+            raise ParseException(s, l, "not a subentry")
+
+    def checkUnindent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if not (indentStack and curCol in indentStack):
+            raise ParseException(s, l, "not an unindent")
+        if curCol < indentStack[-1]:
+            indentStack.pop()
+
+    NL = OneOrMore(LineEnd().set_whitespace_chars("\t ").suppress())
+    INDENT = (Empty() + Empty().set_parse_action(checkSubIndent)).set_name("INDENT")
+    PEER = Empty().set_parse_action(checkPeerIndent).set_name("")
+    UNDENT = Empty().set_parse_action(checkUnindent).set_name("UNINDENT")
+    if indent:
+        smExpr = Group(
+            Opt(NL)
+            + INDENT
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + UNDENT
+        )
+    else:
+        smExpr = Group(
+            Opt(NL)
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + Opt(UNDENT)
+        )
+
+    # add a parse action to remove backup_stack from list of backups
+    smExpr.add_parse_action(
+        lambda: backup_stacks.pop(-1) and None if backup_stacks else None
+    )
+    smExpr.set_fail_action(lambda a, b, c, d: reset_stack())
+    blockStatementExpr.ignore(_bslash + LineEnd())
+    return smExpr.set_name("indented block")
+
+
+# it's easy to get these comment structures wrong - they're very common, so may as well make them available
+c_style_comment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/").set_name(
+    "C style comment"
+)
+"Comment of the form ``/* ... */``"
+
+html_comment = Regex(r"<!--[\s\S]*?-->").set_name("HTML comment")
+"Comment of the form ``<!-- ... -->``"
+
+rest_of_line = Regex(r".*").leave_whitespace().set_name("rest of line")
+dbl_slash_comment = Regex(r"//(?:\\\n|[^\n])*").set_name("// comment")
+"Comment of the form ``// ... (to end of line)``"
+
+cpp_style_comment = Combine(
+    Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/" | dbl_slash_comment
+).set_name("C++ style comment")
+"Comment of either form :class:`c_style_comment` or :class:`dbl_slash_comment`"
+
+java_style_comment = cpp_style_comment
+"Same as :class:`cpp_style_comment`"
+
+python_style_comment = Regex(r"#.*").set_name("Python style comment")
+"Comment of the form ``# ... (to end of line)``"
+
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs = [v for v in vars().values() if isinstance(v, ParserElement)]
+
+
+# pre-PEP8 compatible names
+delimitedList = delimited_list
+countedArray = counted_array
+matchPreviousLiteral = match_previous_literal
+matchPreviousExpr = match_previous_expr
+oneOf = one_of
+dictOf = dict_of
+originalTextFor = original_text_for
+nestedExpr = nested_expr
+makeHTMLTags = make_html_tags
+makeXMLTags = make_xml_tags
+anyOpenTag, anyCloseTag = any_open_tag, any_close_tag
+commonHTMLEntity = common_html_entity
+replaceHTMLEntity = replace_html_entity
+opAssoc = OpAssoc
+infixNotation = infix_notation
+cStyleComment = c_style_comment
+htmlComment = html_comment
+restOfLine = rest_of_line
+dblSlashComment = dbl_slash_comment
+cppStyleComment = cpp_style_comment
+javaStyleComment = java_style_comment
+pythonStyleComment = python_style_comment
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/results.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/results.py
new file mode 100644
index 0000000000000000000000000000000000000000..9676f45b88b8b549637f36ecb7af46ec363cfaba
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/results.py
@@ -0,0 +1,760 @@
+# results.py
+from collections.abc import MutableMapping, Mapping, MutableSequence, Iterator
+import pprint
+from weakref import ref as wkref
+from typing import Tuple, Any
+
+str_type: Tuple[type, ...] = (str, bytes)
+_generator_type = type((_ for _ in ()))
+
+
+class _ParseResultsWithOffset:
+    __slots__ = ["tup"]
+
+    def __init__(self, p1, p2):
+        self.tup = (p1, p2)
+
+    def __getitem__(self, i):
+        return self.tup[i]
+
+    def __getstate__(self):
+        return self.tup
+
+    def __setstate__(self, *args):
+        self.tup = args[0]
+
+
+class ParseResults:
+    """Structured parse results, to provide multiple means of access to
+    the parsed data:
+
+    - as a list (``len(results)``)
+    - by list index (``results[0], results[1]``, etc.)
+    - by attribute (``results.<results_name>`` - see :class:`ParserElement.set_results_name`)
+
+    Example::
+
+        integer = Word(nums)
+        date_str = (integer.set_results_name("year") + '/'
+                    + integer.set_results_name("month") + '/'
+                    + integer.set_results_name("day"))
+        # equivalent form:
+        # date_str = (integer("year") + '/'
+        #             + integer("month") + '/'
+        #             + integer("day"))
+
+        # parse_string returns a ParseResults object
+        result = date_str.parse_string("1999/12/31")
+
+        def test(s, fn=repr):
+            print("{} -> {}".format(s, fn(eval(s))))
+        test("list(result)")
+        test("result[0]")
+        test("result['month']")
+        test("result.day")
+        test("'month' in result")
+        test("'minutes' in result")
+        test("result.dump()", str)
+
+    prints::
+
+        list(result) -> ['1999', '/', '12', '/', '31']
+        result[0] -> '1999'
+        result['month'] -> '12'
+        result.day -> '31'
+        'month' in result -> True
+        'minutes' in result -> False
+        result.dump() -> ['1999', '/', '12', '/', '31']
+        - day: 31
+        - month: 12
+        - year: 1999
+    """
+
+    _null_values: Tuple[Any, ...] = (None, [], "", ())
+
+    __slots__ = [
+        "_name",
+        "_parent",
+        "_all_names",
+        "_modal",
+        "_toklist",
+        "_tokdict",
+        "__weakref__",
+    ]
+
+    class List(list):
+        """
+        Simple wrapper class to distinguish parsed list results that should be preserved
+        as actual Python lists, instead of being converted to :class:`ParseResults`:
+
+            LBRACK, RBRACK = map(pp.Suppress, "[]")
+            element = pp.Forward()
+            item = ppc.integer
+            element_list = LBRACK + pp.delimited_list(element) + RBRACK
+
+            # add parse actions to convert from ParseResults to actual Python collection types
+            def as_python_list(t):
+                return pp.ParseResults.List(t.as_list())
+            element_list.add_parse_action(as_python_list)
+
+            element <<= item | element_list
+
+            element.run_tests('''
+                100
+                [2,3,4]
+                [[2, 1],3,4]
+                [(2, 1),3,4]
+                (2,3,4)
+                ''', post_parse=lambda s, r: (r[0], type(r[0])))
+
+        prints:
+
+            100
+            (100, <class 'int'>)
+
+            [2,3,4]
+            ([2, 3, 4], <class 'list'>)
+
+            [[2, 1],3,4]
+            ([[2, 1], 3, 4], <class 'list'>)
+
+        (Used internally by :class:`Group` when `aslist=True`.)
+        """
+
+        def __new__(cls, contained=None):
+            if contained is None:
+                contained = []
+
+            if not isinstance(contained, list):
+                raise TypeError(
+                    "{} may only be constructed with a list,"
+                    " not {}".format(cls.__name__, type(contained).__name__)
+                )
+
+            return list.__new__(cls)
+
+    def __new__(cls, toklist=None, name=None, **kwargs):
+        if isinstance(toklist, ParseResults):
+            return toklist
+        self = object.__new__(cls)
+        self._name = None
+        self._parent = None
+        self._all_names = set()
+
+        if toklist is None:
+            self._toklist = []
+        elif isinstance(toklist, (list, _generator_type)):
+            self._toklist = (
+                [toklist[:]]
+                if isinstance(toklist, ParseResults.List)
+                else list(toklist)
+            )
+        else:
+            self._toklist = [toklist]
+        self._tokdict = dict()
+        return self
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self, toklist=None, name=None, asList=True, modal=True, isinstance=isinstance
+    ):
+        self._modal = modal
+        if name is not None and name != "":
+            if isinstance(name, int):
+                name = str(name)
+            if not modal:
+                self._all_names = {name}
+            self._name = name
+            if toklist not in self._null_values:
+                if isinstance(toklist, (str_type, type)):
+                    toklist = [toklist]
+                if asList:
+                    if isinstance(toklist, ParseResults):
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist._toklist), 0
+                        )
+                    else:
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist[0]), 0
+                        )
+                    self[name]._name = name
+                else:
+                    try:
+                        self[name] = toklist[0]
+                    except (KeyError, TypeError, IndexError):
+                        if toklist is not self:
+                            self[name] = toklist
+                        else:
+                            self._name = name
+
+    def __getitem__(self, i):
+        if isinstance(i, (int, slice)):
+            return self._toklist[i]
+        else:
+            if i not in self._all_names:
+                return self._tokdict[i][-1][0]
+            else:
+                return ParseResults([v[0] for v in self._tokdict[i]])
+
+    def __setitem__(self, k, v, isinstance=isinstance):
+        if isinstance(v, _ParseResultsWithOffset):
+            self._tokdict[k] = self._tokdict.get(k, list()) + [v]
+            sub = v[0]
+        elif isinstance(k, (int, slice)):
+            self._toklist[k] = v
+            sub = v
+        else:
+            self._tokdict[k] = self._tokdict.get(k, list()) + [
+                _ParseResultsWithOffset(v, 0)
+            ]
+            sub = v
+        if isinstance(sub, ParseResults):
+            sub._parent = wkref(self)
+
+    def __delitem__(self, i):
+        if isinstance(i, (int, slice)):
+            mylen = len(self._toklist)
+            del self._toklist[i]
+
+            # convert int to slice
+            if isinstance(i, int):
+                if i < 0:
+                    i += mylen
+                i = slice(i, i + 1)
+            # get removed indices
+            removed = list(range(*i.indices(mylen)))
+            removed.reverse()
+            # fixup indices in token dictionary
+            for name, occurrences in self._tokdict.items():
+                for j in removed:
+                    for k, (value, position) in enumerate(occurrences):
+                        occurrences[k] = _ParseResultsWithOffset(
+                            value, position - (position > j)
+                        )
+        else:
+            del self._tokdict[i]
+
+    def __contains__(self, k) -> bool:
+        return k in self._tokdict
+
+    def __len__(self) -> int:
+        return len(self._toklist)
+
+    def __bool__(self) -> bool:
+        return not not (self._toklist or self._tokdict)
+
+    def __iter__(self) -> Iterator:
+        return iter(self._toklist)
+
+    def __reversed__(self) -> Iterator:
+        return iter(self._toklist[::-1])
+
+    def keys(self):
+        return iter(self._tokdict)
+
+    def values(self):
+        return (self[k] for k in self.keys())
+
+    def items(self):
+        return ((k, self[k]) for k in self.keys())
+
+    def haskeys(self) -> bool:
+        """
+        Since ``keys()`` returns an iterator, this method is helpful in bypassing
+        code that looks for the existence of any defined results names."""
+        return bool(self._tokdict)
+
+    def pop(self, *args, **kwargs):
+        """
+        Removes and returns item at specified index (default= ``last``).
+        Supports both ``list`` and ``dict`` semantics for ``pop()``. If
+        passed no argument or an integer argument, it will use ``list``
+        semantics and pop tokens from the list of parsed tokens. If passed
+        a non-integer argument (most likely a string), it will use ``dict``
+        semantics and pop the corresponding value from any defined results
+        names. A second default return value argument is supported, just as in
+        ``dict.pop()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            def remove_first(tokens):
+                tokens.pop(0)
+            numlist.add_parse_action(remove_first)
+            print(numlist.parse_string("0 123 321")) # -> ['123', '321']
+
+            label = Word(alphas)
+            patt = label("LABEL") + OneOrMore(Word(nums))
+            print(patt.parse_string("AAB 123 321").dump())
+
+            # Use pop() in a parse action to remove named result (note that corresponding value is not
+            # removed from list form of results)
+            def remove_LABEL(tokens):
+                tokens.pop("LABEL")
+                return tokens
+            patt.add_parse_action(remove_LABEL)
+            print(patt.parse_string("AAB 123 321").dump())
+
+        prints::
+
+            ['AAB', '123', '321']
+            - LABEL: AAB
+
+            ['AAB', '123', '321']
+        """
+        if not args:
+            args = [-1]
+        for k, v in kwargs.items():
+            if k == "default":
+                args = (args[0], v)
+            else:
+                raise TypeError(
+                    "pop() got an unexpected keyword argument {!r}".format(k)
+                )
+        if isinstance(args[0], int) or len(args) == 1 or args[0] in self:
+            index = args[0]
+            ret = self[index]
+            del self[index]
+            return ret
+        else:
+            defaultvalue = args[1]
+            return defaultvalue
+
+    def get(self, key, default_value=None):
+        """
+        Returns named result matching the given key, or if there is no
+        such name, then returns the given ``default_value`` or ``None`` if no
+        ``default_value`` is specified.
+
+        Similar to ``dict.get()``.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string("1999/12/31")
+            print(result.get("year")) # -> '1999'
+            print(result.get("hour", "not specified")) # -> 'not specified'
+            print(result.get("hour")) # -> None
+        """
+        if key in self:
+            return self[key]
+        else:
+            return default_value
+
+    def insert(self, index, ins_string):
+        """
+        Inserts new element at location index in the list of parsed tokens.
+
+        Similar to ``list.insert()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to insert the parse location in the front of the parsed results
+            def insert_locn(locn, tokens):
+                tokens.insert(0, locn)
+            numlist.add_parse_action(insert_locn)
+            print(numlist.parse_string("0 123 321")) # -> [0, '0', '123', '321']
+        """
+        self._toklist.insert(index, ins_string)
+        # fixup indices in token dictionary
+        for name, occurrences in self._tokdict.items():
+            for k, (value, position) in enumerate(occurrences):
+                occurrences[k] = _ParseResultsWithOffset(
+                    value, position + (position > index)
+                )
+
+    def append(self, item):
+        """
+        Add single element to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to compute the sum of the parsed integers, and add it to the end
+            def append_sum(tokens):
+                tokens.append(sum(map(int, tokens)))
+            numlist.add_parse_action(append_sum)
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321', 444]
+        """
+        self._toklist.append(item)
+
+    def extend(self, itemseq):
+        """
+        Add sequence of elements to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            patt = OneOrMore(Word(alphas))
+
+            # use a parse action to append the reverse of the matched strings, to make a palindrome
+            def make_palindrome(tokens):
+                tokens.extend(reversed([t[::-1] for t in tokens]))
+                return ''.join(tokens)
+            patt.add_parse_action(make_palindrome)
+            print(patt.parse_string("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl'
+        """
+        if isinstance(itemseq, ParseResults):
+            self.__iadd__(itemseq)
+        else:
+            self._toklist.extend(itemseq)
+
+    def clear(self):
+        """
+        Clear all elements and results names.
+        """
+        del self._toklist[:]
+        self._tokdict.clear()
+
+    def __getattr__(self, name):
+        try:
+            return self[name]
+        except KeyError:
+            if name.startswith("__"):
+                raise AttributeError(name)
+            return ""
+
+    def __add__(self, other) -> "ParseResults":
+        ret = self.copy()
+        ret += other
+        return ret
+
+    def __iadd__(self, other) -> "ParseResults":
+        if other._tokdict:
+            offset = len(self._toklist)
+            addoffset = lambda a: offset if a < 0 else a + offset
+            otheritems = other._tokdict.items()
+            otherdictitems = [
+                (k, _ParseResultsWithOffset(v[0], addoffset(v[1])))
+                for k, vlist in otheritems
+                for v in vlist
+            ]
+            for k, v in otherdictitems:
+                self[k] = v
+                if isinstance(v[0], ParseResults):
+                    v[0]._parent = wkref(self)
+
+        self._toklist += other._toklist
+        self._all_names |= other._all_names
+        return self
+
+    def __radd__(self, other) -> "ParseResults":
+        if isinstance(other, int) and other == 0:
+            # useful for merging many ParseResults using sum() builtin
+            return self.copy()
+        else:
+            # this may raise a TypeError - so be it
+            return other + self
+
+    def __repr__(self) -> str:
+        return "{}({!r}, {})".format(type(self).__name__, self._toklist, self.as_dict())
+
+    def __str__(self) -> str:
+        return (
+            "["
+            + ", ".join(
+                [
+                    str(i) if isinstance(i, ParseResults) else repr(i)
+                    for i in self._toklist
+                ]
+            )
+            + "]"
+        )
+
+    def _asStringList(self, sep=""):
+        out = []
+        for item in self._toklist:
+            if out and sep:
+                out.append(sep)
+            if isinstance(item, ParseResults):
+                out += item._asStringList()
+            else:
+                out.append(str(item))
+        return out
+
+    def as_list(self) -> list:
+        """
+        Returns the parse results as a nested list of matching tokens, all converted to strings.
+
+        Example::
+
+            patt = OneOrMore(Word(alphas))
+            result = patt.parse_string("sldkj lsdkj sldkj")
+            # even though the result prints in string-like form, it is actually a pyparsing ParseResults
+            print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj']
+
+            # Use as_list() to create an actual list
+            result_list = result.as_list()
+            print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj']
+        """
+        return [
+            res.as_list() if isinstance(res, ParseResults) else res
+            for res in self._toklist
+        ]
+
+    def as_dict(self) -> dict:
+        """
+        Returns the named parse results as a nested dictionary.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('12/31/1999')
+            print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]})
+
+            result_dict = result.as_dict()
+            print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'}
+
+            # even though a ParseResults supports dict-like access, sometime you just need to have a dict
+            import json
+            print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable
+            print(json.dumps(result.as_dict())) # -> {"month": "31", "day": "1999", "year": "12"}
+        """
+
+        def to_item(obj):
+            if isinstance(obj, ParseResults):
+                return obj.as_dict() if obj.haskeys() else [to_item(v) for v in obj]
+            else:
+                return obj
+
+        return dict((k, to_item(v)) for k, v in self.items())
+
+    def copy(self) -> "ParseResults":
+        """
+        Returns a new copy of a :class:`ParseResults` object.
+        """
+        ret = ParseResults(self._toklist)
+        ret._tokdict = self._tokdict.copy()
+        ret._parent = self._parent
+        ret._all_names |= self._all_names
+        ret._name = self._name
+        return ret
+
+    def get_name(self):
+        r"""
+        Returns the results name for this token expression. Useful when several
+        different expressions might match at a particular location.
+
+        Example::
+
+            integer = Word(nums)
+            ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d")
+            house_number_expr = Suppress('#') + Word(nums, alphanums)
+            user_data = (Group(house_number_expr)("house_number")
+                        | Group(ssn_expr)("ssn")
+                        | Group(integer)("age"))
+            user_info = OneOrMore(user_data)
+
+            result = user_info.parse_string("22 111-22-3333 #221B")
+            for item in result:
+                print(item.get_name(), ':', item[0])
+
+        prints::
+
+            age : 22
+            ssn : 111-22-3333
+            house_number : 221B
+        """
+        if self._name:
+            return self._name
+        elif self._parent:
+            par = self._parent()
+
+            def find_in_parent(sub):
+                return next(
+                    (
+                        k
+                        for k, vlist in par._tokdict.items()
+                        for v, loc in vlist
+                        if sub is v
+                    ),
+                    None,
+                )
+
+            return find_in_parent(self) if par else None
+        elif (
+            len(self) == 1
+            and len(self._tokdict) == 1
+            and next(iter(self._tokdict.values()))[0][1] in (0, -1)
+        ):
+            return next(iter(self._tokdict.keys()))
+        else:
+            return None
+
+    def dump(self, indent="", full=True, include_list=True, _depth=0) -> str:
+        """
+        Diagnostic method for listing out the contents of
+        a :class:`ParseResults`. Accepts an optional ``indent`` argument so
+        that this string can be embedded in a nested display of other data.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('12/31/1999')
+            print(result.dump())
+
+        prints::
+
+            ['12', '/', '31', '/', '1999']
+            - day: 1999
+            - month: 31
+            - year: 12
+        """
+        out = []
+        NL = "\n"
+        out.append(indent + str(self.as_list()) if include_list else "")
+
+        if full:
+            if self.haskeys():
+                items = sorted((str(k), v) for k, v in self.items())
+                for k, v in items:
+                    if out:
+                        out.append(NL)
+                    out.append("{}{}- {}: ".format(indent, ("  " * _depth), k))
+                    if isinstance(v, ParseResults):
+                        if v:
+                            out.append(
+                                v.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                )
+                            )
+                        else:
+                            out.append(str(v))
+                    else:
+                        out.append(repr(v))
+            if any(isinstance(vv, ParseResults) for vv in self):
+                v = self
+                for i, vv in enumerate(v):
+                    if isinstance(vv, ParseResults):
+                        out.append(
+                            "\n{}{}[{}]:\n{}{}{}".format(
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                vv.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                ),
+                            )
+                        )
+                    else:
+                        out.append(
+                            "\n%s%s[%d]:\n%s%s%s"
+                            % (
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                str(vv),
+                            )
+                        )
+
+        return "".join(out)
+
+    def pprint(self, *args, **kwargs):
+        """
+        Pretty-printer for parsed results as a list, using the
+        `pprint <https://docs.python.org/3/library/pprint.html>`_ module.
+        Accepts additional positional or keyword args as defined for
+        `pprint.pprint <https://docs.python.org/3/library/pprint.html#pprint.pprint>`_ .
+
+        Example::
+
+            ident = Word(alphas, alphanums)
+            num = Word(nums)
+            func = Forward()
+            term = ident | num | Group('(' + func + ')')
+            func <<= ident + Group(Optional(delimited_list(term)))
+            result = func.parse_string("fna a,b,(fnb c,d,200),100")
+            result.pprint(width=40)
+
+        prints::
+
+            ['fna',
+             ['a',
+              'b',
+              ['(', 'fnb', ['c', 'd', '200'], ')'],
+              '100']]
+        """
+        pprint.pprint(self.as_list(), *args, **kwargs)
+
+    # add support for pickle protocol
+    def __getstate__(self):
+        return (
+            self._toklist,
+            (
+                self._tokdict.copy(),
+                self._parent is not None and self._parent() or None,
+                self._all_names,
+                self._name,
+            ),
+        )
+
+    def __setstate__(self, state):
+        self._toklist, (self._tokdict, par, inAccumNames, self._name) = state
+        self._all_names = set(inAccumNames)
+        if par is not None:
+            self._parent = wkref(par)
+        else:
+            self._parent = None
+
+    def __getnewargs__(self):
+        return self._toklist, self._name
+
+    def __dir__(self):
+        return dir(type(self)) + list(self.keys())
+
+    @classmethod
+    def from_dict(cls, other, name=None) -> "ParseResults":
+        """
+        Helper classmethod to construct a ``ParseResults`` from a ``dict``, preserving the
+        name-value relations as results names. If an optional ``name`` argument is
+        given, a nested ``ParseResults`` will be returned.
+        """
+
+        def is_iterable(obj):
+            try:
+                iter(obj)
+            except Exception:
+                return False
+            else:
+                return not isinstance(obj, str_type)
+
+        ret = cls([])
+        for k, v in other.items():
+            if isinstance(v, Mapping):
+                ret += cls.from_dict(v, name=k)
+            else:
+                ret += cls([v], name=k, asList=is_iterable(v))
+        if name is not None:
+            ret = cls([ret], name=name)
+        return ret
+
+    asList = as_list
+    asDict = as_dict
+    getName = get_name
+
+
+MutableMapping.register(ParseResults)
+MutableSequence.register(ParseResults)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/testing.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/testing.py
new file mode 100644
index 0000000000000000000000000000000000000000..991972f3fb2986d2d03951be87b07eeb6bce77bc
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/testing.py
@@ -0,0 +1,331 @@
+# testing.py
+
+from contextlib import contextmanager
+from typing import Optional
+
+from .core import (
+    ParserElement,
+    ParseException,
+    Keyword,
+    __diag__,
+    __compat__,
+)
+
+
+class pyparsing_test:
+    """
+    namespace class for classes useful in writing unit tests
+    """
+
+    class reset_pyparsing_context:
+        """
+        Context manager to be used when writing unit tests that modify pyparsing config values:
+        - packrat parsing
+        - bounded recursion parsing
+        - default whitespace characters.
+        - default keyword characters
+        - literal string auto-conversion class
+        - __diag__ settings
+
+        Example::
+
+            with reset_pyparsing_context():
+                # test that literals used to construct a grammar are automatically suppressed
+                ParserElement.inlineLiteralsUsing(Suppress)
+
+                term = Word(alphas) | Word(nums)
+                group = Group('(' + term[...] + ')')
+
+                # assert that the '()' characters are not included in the parsed tokens
+                self.assertParseAndCheckList(group, "(abc 123 def)", ['abc', '123', 'def'])
+
+            # after exiting context manager, literals are converted to Literal expressions again
+        """
+
+        def __init__(self):
+            self._save_context = {}
+
+        def save(self):
+            self._save_context["default_whitespace"] = ParserElement.DEFAULT_WHITE_CHARS
+            self._save_context["default_keyword_chars"] = Keyword.DEFAULT_KEYWORD_CHARS
+
+            self._save_context[
+                "literal_string_class"
+            ] = ParserElement._literalStringClass
+
+            self._save_context["verbose_stacktrace"] = ParserElement.verbose_stacktrace
+
+            self._save_context["packrat_enabled"] = ParserElement._packratEnabled
+            if ParserElement._packratEnabled:
+                self._save_context[
+                    "packrat_cache_size"
+                ] = ParserElement.packrat_cache.size
+            else:
+                self._save_context["packrat_cache_size"] = None
+            self._save_context["packrat_parse"] = ParserElement._parse
+            self._save_context[
+                "recursion_enabled"
+            ] = ParserElement._left_recursion_enabled
+
+            self._save_context["__diag__"] = {
+                name: getattr(__diag__, name) for name in __diag__._all_names
+            }
+
+            self._save_context["__compat__"] = {
+                "collect_all_And_tokens": __compat__.collect_all_And_tokens
+            }
+
+            return self
+
+        def restore(self):
+            # reset pyparsing global state
+            if (
+                ParserElement.DEFAULT_WHITE_CHARS
+                != self._save_context["default_whitespace"]
+            ):
+                ParserElement.set_default_whitespace_chars(
+                    self._save_context["default_whitespace"]
+                )
+
+            ParserElement.verbose_stacktrace = self._save_context["verbose_stacktrace"]
+
+            Keyword.DEFAULT_KEYWORD_CHARS = self._save_context["default_keyword_chars"]
+            ParserElement.inlineLiteralsUsing(
+                self._save_context["literal_string_class"]
+            )
+
+            for name, value in self._save_context["__diag__"].items():
+                (__diag__.enable if value else __diag__.disable)(name)
+
+            ParserElement._packratEnabled = False
+            if self._save_context["packrat_enabled"]:
+                ParserElement.enable_packrat(self._save_context["packrat_cache_size"])
+            else:
+                ParserElement._parse = self._save_context["packrat_parse"]
+            ParserElement._left_recursion_enabled = self._save_context[
+                "recursion_enabled"
+            ]
+
+            __compat__.collect_all_And_tokens = self._save_context["__compat__"]
+
+            return self
+
+        def copy(self):
+            ret = type(self)()
+            ret._save_context.update(self._save_context)
+            return ret
+
+        def __enter__(self):
+            return self.save()
+
+        def __exit__(self, *args):
+            self.restore()
+
+    class TestParseResultsAsserts:
+        """
+        A mixin class to add parse results assertion methods to normal unittest.TestCase classes.
+        """
+
+        def assertParseResultsEquals(
+            self, result, expected_list=None, expected_dict=None, msg=None
+        ):
+            """
+            Unit test assertion to compare a :class:`ParseResults` object with an optional ``expected_list``,
+            and compare any defined results names with an optional ``expected_dict``.
+            """
+            if expected_list is not None:
+                self.assertEqual(expected_list, result.as_list(), msg=msg)
+            if expected_dict is not None:
+                self.assertEqual(expected_dict, result.as_dict(), msg=msg)
+
+        def assertParseAndCheckList(
+            self, expr, test_string, expected_list, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asList()`` is equal to the ``expected_list``.
+            """
+            result = expr.parse_string(test_string, parse_all=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_list=expected_list, msg=msg)
+
+        def assertParseAndCheckDict(
+            self, expr, test_string, expected_dict, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asDict()`` is equal to the ``expected_dict``.
+            """
+            result = expr.parse_string(test_string, parseAll=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_dict=expected_dict, msg=msg)
+
+        def assertRunTestResults(
+            self, run_tests_report, expected_parse_results=None, msg=None
+        ):
+            """
+            Unit test assertion to evaluate output of ``ParserElement.runTests()``. If a list of
+            list-dict tuples is given as the ``expected_parse_results`` argument, then these are zipped
+            with the report tuples returned by ``runTests`` and evaluated using ``assertParseResultsEquals``.
+            Finally, asserts that the overall ``runTests()`` success value is ``True``.
+
+            :param run_tests_report: tuple(bool, [tuple(str, ParseResults or Exception)]) returned from runTests
+            :param expected_parse_results (optional): [tuple(str, list, dict, Exception)]
+            """
+            run_test_success, run_test_results = run_tests_report
+
+            if expected_parse_results is not None:
+                merged = [
+                    (*rpt, expected)
+                    for rpt, expected in zip(run_test_results, expected_parse_results)
+                ]
+                for test_string, result, expected in merged:
+                    # expected should be a tuple containing a list and/or a dict or an exception,
+                    # and optional failure message string
+                    # an empty tuple will skip any result validation
+                    fail_msg = next(
+                        (exp for exp in expected if isinstance(exp, str)), None
+                    )
+                    expected_exception = next(
+                        (
+                            exp
+                            for exp in expected
+                            if isinstance(exp, type) and issubclass(exp, Exception)
+                        ),
+                        None,
+                    )
+                    if expected_exception is not None:
+                        with self.assertRaises(
+                            expected_exception=expected_exception, msg=fail_msg or msg
+                        ):
+                            if isinstance(result, Exception):
+                                raise result
+                    else:
+                        expected_list = next(
+                            (exp for exp in expected if isinstance(exp, list)), None
+                        )
+                        expected_dict = next(
+                            (exp for exp in expected if isinstance(exp, dict)), None
+                        )
+                        if (expected_list, expected_dict) != (None, None):
+                            self.assertParseResultsEquals(
+                                result,
+                                expected_list=expected_list,
+                                expected_dict=expected_dict,
+                                msg=fail_msg or msg,
+                            )
+                        else:
+                            # warning here maybe?
+                            print("no validation for {!r}".format(test_string))
+
+            # do this last, in case some specific test results can be reported instead
+            self.assertTrue(
+                run_test_success, msg=msg if msg is not None else "failed runTests"
+            )
+
+        @contextmanager
+        def assertRaisesParseException(self, exc_type=ParseException, msg=None):
+            with self.assertRaises(exc_type, msg=msg):
+                yield
+
+    @staticmethod
+    def with_line_numbers(
+        s: str,
+        start_line: Optional[int] = None,
+        end_line: Optional[int] = None,
+        expand_tabs: bool = True,
+        eol_mark: str = "|",
+        mark_spaces: Optional[str] = None,
+        mark_control: Optional[str] = None,
+    ) -> str:
+        """
+        Helpful method for debugging a parser - prints a string with line and column numbers.
+        (Line and column numbers are 1-based.)
+
+        :param s: tuple(bool, str - string to be printed with line and column numbers
+        :param start_line: int - (optional) starting line number in s to print (default=1)
+        :param end_line: int - (optional) ending line number in s to print (default=len(s))
+        :param expand_tabs: bool - (optional) expand tabs to spaces, to match the pyparsing default
+        :param eol_mark: str - (optional) string to mark the end of lines, helps visualize trailing spaces (default="|")
+        :param mark_spaces: str - (optional) special character to display in place of spaces
+        :param mark_control: str - (optional) convert non-printing control characters to a placeholding
+                                 character; valid values:
+                                 - "unicode" - replaces control chars with Unicode symbols, such as "␍" and "␊"
+                                 - any single character string - replace control characters with given string
+                                 - None (default) - string is displayed as-is
+
+        :return: str - input string with leading line numbers and column number headers
+        """
+        if expand_tabs:
+            s = s.expandtabs()
+        if mark_control is not None:
+            if mark_control == "unicode":
+                tbl = str.maketrans(
+                    {c: u for c, u in zip(range(0, 33), range(0x2400, 0x2433))}
+                    | {127: 0x2421}
+                )
+                eol_mark = ""
+            else:
+                tbl = str.maketrans(
+                    {c: mark_control for c in list(range(0, 32)) + [127]}
+                )
+            s = s.translate(tbl)
+        if mark_spaces is not None and mark_spaces != " ":
+            if mark_spaces == "unicode":
+                tbl = str.maketrans({9: 0x2409, 32: 0x2423})
+                s = s.translate(tbl)
+            else:
+                s = s.replace(" ", mark_spaces)
+        if start_line is None:
+            start_line = 1
+        if end_line is None:
+            end_line = len(s)
+        end_line = min(end_line, len(s))
+        start_line = min(max(1, start_line), end_line)
+
+        if mark_control != "unicode":
+            s_lines = s.splitlines()[start_line - 1 : end_line]
+        else:
+            s_lines = [line + "␊" for line in s.split("␊")[start_line - 1 : end_line]]
+        if not s_lines:
+            return ""
+
+        lineno_width = len(str(end_line))
+        max_line_len = max(len(line) for line in s_lines)
+        lead = " " * (lineno_width + 1)
+        if max_line_len >= 99:
+            header0 = (
+                lead
+                + "".join(
+                    "{}{}".format(" " * 99, (i + 1) % 100)
+                    for i in range(max(max_line_len // 100, 1))
+                )
+                + "\n"
+            )
+        else:
+            header0 = ""
+        header1 = (
+            header0
+            + lead
+            + "".join(
+                "         {}".format((i + 1) % 10)
+                for i in range(-(-max_line_len // 10))
+            )
+            + "\n"
+        )
+        header2 = lead + "1234567890" * (-(-max_line_len // 10)) + "\n"
+        return (
+            header1
+            + header2
+            + "\n".join(
+                "{:{}d}:{}{}".format(i, lineno_width, line, eol_mark)
+                for i, line in enumerate(s_lines, start=start_line)
+            )
+            + "\n"
+        )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/unicode.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/unicode.py
new file mode 100644
index 0000000000000000000000000000000000000000..92261487c7af50ede7204c4b65299f2ed333bed1
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/unicode.py
@@ -0,0 +1,332 @@
+# unicode.py
+
+import sys
+from itertools import filterfalse
+from typing import List, Tuple, Union
+
+
+class _lazyclassproperty:
+    def __init__(self, fn):
+        self.fn = fn
+        self.__doc__ = fn.__doc__
+        self.__name__ = fn.__name__
+
+    def __get__(self, obj, cls):
+        if cls is None:
+            cls = type(obj)
+        if not hasattr(cls, "_intern") or any(
+            cls._intern is getattr(superclass, "_intern", [])
+            for superclass in cls.__mro__[1:]
+        ):
+            cls._intern = {}
+        attrname = self.fn.__name__
+        if attrname not in cls._intern:
+            cls._intern[attrname] = self.fn(cls)
+        return cls._intern[attrname]
+
+
+UnicodeRangeList = List[Union[Tuple[int, int], Tuple[int]]]
+
+
+class unicode_set:
+    """
+    A set of Unicode characters, for language-specific strings for
+    ``alphas``, ``nums``, ``alphanums``, and ``printables``.
+    A unicode_set is defined by a list of ranges in the Unicode character
+    set, in a class attribute ``_ranges``. Ranges can be specified using
+    2-tuples or a 1-tuple, such as::
+
+        _ranges = [
+            (0x0020, 0x007e),
+            (0x00a0, 0x00ff),
+            (0x0100,),
+            ]
+
+    Ranges are left- and right-inclusive. A 1-tuple of (x,) is treated as (x, x).
+
+    A unicode set can also be defined using multiple inheritance of other unicode sets::
+
+        class CJK(Chinese, Japanese, Korean):
+            pass
+    """
+
+    _ranges: UnicodeRangeList = []
+
+    @_lazyclassproperty
+    def _chars_for_ranges(cls):
+        ret = []
+        for cc in cls.__mro__:
+            if cc is unicode_set:
+                break
+            for rr in getattr(cc, "_ranges", ()):
+                ret.extend(range(rr[0], rr[-1] + 1))
+        return [chr(c) for c in sorted(set(ret))]
+
+    @_lazyclassproperty
+    def printables(cls):
+        "all non-whitespace characters in this range"
+        return "".join(filterfalse(str.isspace, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphas(cls):
+        "all alphabetic characters in this range"
+        return "".join(filter(str.isalpha, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def nums(cls):
+        "all numeric digit characters in this range"
+        return "".join(filter(str.isdigit, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphanums(cls):
+        "all alphanumeric characters in this range"
+        return cls.alphas + cls.nums
+
+    @_lazyclassproperty
+    def identchars(cls):
+        "all characters in this range that are valid identifier characters, plus underscore '_'"
+        return "".join(
+            sorted(
+                set(
+                    "".join(filter(str.isidentifier, cls._chars_for_ranges))
+                    + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzªµº"
+                    + "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ"
+                    + "_"
+                )
+            )
+        )
+
+    @_lazyclassproperty
+    def identbodychars(cls):
+        """
+        all characters in this range that are valid identifier body characters,
+        plus the digits 0-9
+        """
+        return "".join(
+            sorted(
+                set(
+                    cls.identchars
+                    + "0123456789"
+                    + "".join(
+                        [c for c in cls._chars_for_ranges if ("_" + c).isidentifier()]
+                    )
+                )
+            )
+        )
+
+
+class pyparsing_unicode(unicode_set):
+    """
+    A namespace class for defining common language unicode_sets.
+    """
+
+    _ranges: UnicodeRangeList = [(32, sys.maxunicode)]
+
+    class Latin1(unicode_set):
+        "Unicode set for Latin-1 Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0020, 0x007E),
+            (0x00A0, 0x00FF),
+        ]
+
+    class LatinA(unicode_set):
+        "Unicode set for Latin-A Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0100, 0x017F),
+        ]
+
+    class LatinB(unicode_set):
+        "Unicode set for Latin-B Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0180, 0x024F),
+        ]
+
+    class Greek(unicode_set):
+        "Unicode set for Greek Unicode Character Ranges"
+        _ranges: UnicodeRangeList = [
+            (0x0342, 0x0345),
+            (0x0370, 0x0377),
+            (0x037A, 0x037F),
+            (0x0384, 0x038A),
+            (0x038C,),
+            (0x038E, 0x03A1),
+            (0x03A3, 0x03E1),
+            (0x03F0, 0x03FF),
+            (0x1D26, 0x1D2A),
+            (0x1D5E,),
+            (0x1D60,),
+            (0x1D66, 0x1D6A),
+            (0x1F00, 0x1F15),
+            (0x1F18, 0x1F1D),
+            (0x1F20, 0x1F45),
+            (0x1F48, 0x1F4D),
+            (0x1F50, 0x1F57),
+            (0x1F59,),
+            (0x1F5B,),
+            (0x1F5D,),
+            (0x1F5F, 0x1F7D),
+            (0x1F80, 0x1FB4),
+            (0x1FB6, 0x1FC4),
+            (0x1FC6, 0x1FD3),
+            (0x1FD6, 0x1FDB),
+            (0x1FDD, 0x1FEF),
+            (0x1FF2, 0x1FF4),
+            (0x1FF6, 0x1FFE),
+            (0x2129,),
+            (0x2719, 0x271A),
+            (0xAB65,),
+            (0x10140, 0x1018D),
+            (0x101A0,),
+            (0x1D200, 0x1D245),
+            (0x1F7A1, 0x1F7A7),
+        ]
+
+    class Cyrillic(unicode_set):
+        "Unicode set for Cyrillic Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0400, 0x052F),
+            (0x1C80, 0x1C88),
+            (0x1D2B,),
+            (0x1D78,),
+            (0x2DE0, 0x2DFF),
+            (0xA640, 0xA672),
+            (0xA674, 0xA69F),
+            (0xFE2E, 0xFE2F),
+        ]
+
+    class Chinese(unicode_set):
+        "Unicode set for Chinese Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x2E80, 0x2E99),
+            (0x2E9B, 0x2EF3),
+            (0x31C0, 0x31E3),
+            (0x3400, 0x4DB5),
+            (0x4E00, 0x9FEF),
+            (0xA700, 0xA707),
+            (0xF900, 0xFA6D),
+            (0xFA70, 0xFAD9),
+            (0x16FE2, 0x16FE3),
+            (0x1F210, 0x1F212),
+            (0x1F214, 0x1F23B),
+            (0x1F240, 0x1F248),
+            (0x20000, 0x2A6D6),
+            (0x2A700, 0x2B734),
+            (0x2B740, 0x2B81D),
+            (0x2B820, 0x2CEA1),
+            (0x2CEB0, 0x2EBE0),
+            (0x2F800, 0x2FA1D),
+        ]
+
+    class Japanese(unicode_set):
+        "Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana ranges"
+        _ranges: UnicodeRangeList = []
+
+        class Kanji(unicode_set):
+            "Unicode set for Kanji Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x4E00, 0x9FBF),
+                (0x3000, 0x303F),
+            ]
+
+        class Hiragana(unicode_set):
+            "Unicode set for Hiragana Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x3041, 0x3096),
+                (0x3099, 0x30A0),
+                (0x30FC,),
+                (0xFF70,),
+                (0x1B001,),
+                (0x1B150, 0x1B152),
+                (0x1F200,),
+            ]
+
+        class Katakana(unicode_set):
+            "Unicode set for Katakana  Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x3099, 0x309C),
+                (0x30A0, 0x30FF),
+                (0x31F0, 0x31FF),
+                (0x32D0, 0x32FE),
+                (0xFF65, 0xFF9F),
+                (0x1B000,),
+                (0x1B164, 0x1B167),
+                (0x1F201, 0x1F202),
+                (0x1F213,),
+            ]
+
+    class Hangul(unicode_set):
+        "Unicode set for Hangul (Korean) Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x1100, 0x11FF),
+            (0x302E, 0x302F),
+            (0x3131, 0x318E),
+            (0x3200, 0x321C),
+            (0x3260, 0x327B),
+            (0x327E,),
+            (0xA960, 0xA97C),
+            (0xAC00, 0xD7A3),
+            (0xD7B0, 0xD7C6),
+            (0xD7CB, 0xD7FB),
+            (0xFFA0, 0xFFBE),
+            (0xFFC2, 0xFFC7),
+            (0xFFCA, 0xFFCF),
+            (0xFFD2, 0xFFD7),
+            (0xFFDA, 0xFFDC),
+        ]
+
+    Korean = Hangul
+
+    class CJK(Chinese, Japanese, Hangul):
+        "Unicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character Range"
+        pass
+
+    class Thai(unicode_set):
+        "Unicode set for Thai Unicode Character Range"
+        _ranges: UnicodeRangeList = [(0x0E01, 0x0E3A), (0x0E3F, 0x0E5B)]
+
+    class Arabic(unicode_set):
+        "Unicode set for Arabic Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0600, 0x061B),
+            (0x061E, 0x06FF),
+            (0x0700, 0x077F),
+        ]
+
+    class Hebrew(unicode_set):
+        "Unicode set for Hebrew Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0591, 0x05C7),
+            (0x05D0, 0x05EA),
+            (0x05EF, 0x05F4),
+            (0xFB1D, 0xFB36),
+            (0xFB38, 0xFB3C),
+            (0xFB3E,),
+            (0xFB40, 0xFB41),
+            (0xFB43, 0xFB44),
+            (0xFB46, 0xFB4F),
+        ]
+
+    class Devanagari(unicode_set):
+        "Unicode set for Devanagari Unicode Character Range"
+        _ranges: UnicodeRangeList = [(0x0900, 0x097F), (0xA8E0, 0xA8FF)]
+
+
+pyparsing_unicode.Japanese._ranges = (
+    pyparsing_unicode.Japanese.Kanji._ranges
+    + pyparsing_unicode.Japanese.Hiragana._ranges
+    + pyparsing_unicode.Japanese.Katakana._ranges
+)
+
+# define ranges in language character sets
+pyparsing_unicode.العربية = pyparsing_unicode.Arabic
+pyparsing_unicode.中文 = pyparsing_unicode.Chinese
+pyparsing_unicode.кириллица = pyparsing_unicode.Cyrillic
+pyparsing_unicode.Ελληνικά = pyparsing_unicode.Greek
+pyparsing_unicode.עִברִית = pyparsing_unicode.Hebrew
+pyparsing_unicode.日本語 = pyparsing_unicode.Japanese
+pyparsing_unicode.Japanese.漢字 = pyparsing_unicode.Japanese.Kanji
+pyparsing_unicode.Japanese.カタカナ = pyparsing_unicode.Japanese.Katakana
+pyparsing_unicode.Japanese.ひらがな = pyparsing_unicode.Japanese.Hiragana
+pyparsing_unicode.한국어 = pyparsing_unicode.Korean
+pyparsing_unicode.ไทย = pyparsing_unicode.Thai
+pyparsing_unicode.देवनागरी = pyparsing_unicode.Devanagari
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/util.py b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/util.py
new file mode 100644
index 0000000000000000000000000000000000000000..34ce092c6d08d9cdc2704840b7539de7b5ae1dcc
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/pyparsing/util.py
@@ -0,0 +1,235 @@
+# util.py
+import warnings
+import types
+import collections
+import itertools
+from functools import lru_cache
+from typing import List, Union, Iterable
+
+_bslash = chr(92)
+
+
+class __config_flags:
+    """Internal class for defining compatibility and debugging flags"""
+
+    _all_names: List[str] = []
+    _fixed_names: List[str] = []
+    _type_desc = "configuration"
+
+    @classmethod
+    def _set(cls, dname, value):
+        if dname in cls._fixed_names:
+            warnings.warn(
+                "{}.{} {} is {} and cannot be overridden".format(
+                    cls.__name__,
+                    dname,
+                    cls._type_desc,
+                    str(getattr(cls, dname)).upper(),
+                )
+            )
+            return
+        if dname in cls._all_names:
+            setattr(cls, dname, value)
+        else:
+            raise ValueError("no such {} {!r}".format(cls._type_desc, dname))
+
+    enable = classmethod(lambda cls, name: cls._set(name, True))
+    disable = classmethod(lambda cls, name: cls._set(name, False))
+
+
+@lru_cache(maxsize=128)
+def col(loc: int, strg: str) -> int:
+    """
+    Returns current column within a string, counting newlines as line separators.
+    The first column is number 1.
+
+    Note: the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See
+    :class:`ParserElement.parseString` for more
+    information on parsing strings containing ``<TAB>`` s, and suggested
+    methods to maintain a consistent view of the parsed string, the parse
+    location, and line and column positions within the parsed string.
+    """
+    s = strg
+    return 1 if 0 < loc < len(s) and s[loc - 1] == "\n" else loc - s.rfind("\n", 0, loc)
+
+
+@lru_cache(maxsize=128)
+def lineno(loc: int, strg: str) -> int:
+    """Returns current line number within a string, counting newlines as line separators.
+    The first line is number 1.
+
+    Note - the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See :class:`ParserElement.parseString`
+    for more information on parsing strings containing ``<TAB>`` s, and
+    suggested methods to maintain a consistent view of the parsed string, the
+    parse location, and line and column positions within the parsed string.
+    """
+    return strg.count("\n", 0, loc) + 1
+
+
+@lru_cache(maxsize=128)
+def line(loc: int, strg: str) -> str:
+    """
+    Returns the line of text containing loc within a string, counting newlines as line separators.
+    """
+    last_cr = strg.rfind("\n", 0, loc)
+    next_cr = strg.find("\n", loc)
+    return strg[last_cr + 1 : next_cr] if next_cr >= 0 else strg[last_cr + 1 :]
+
+
+class _UnboundedCache:
+    def __init__(self):
+        cache = {}
+        cache_get = cache.get
+        self.not_in_cache = not_in_cache = object()
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+
+        def clear(_):
+            cache.clear()
+
+        self.size = None
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class _FifoCache:
+    def __init__(self, size):
+        self.not_in_cache = not_in_cache = object()
+        cache = collections.OrderedDict()
+        cache_get = cache.get
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+            while len(cache) > size:
+                cache.popitem(last=False)
+
+        def clear(_):
+            cache.clear()
+
+        self.size = size
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class LRUMemo:
+    """
+    A memoizing mapping that retains `capacity` deleted items
+
+    The memo tracks retained items by their access order; once `capacity` items
+    are retained, the least recently used item is discarded.
+    """
+
+    def __init__(self, capacity):
+        self._capacity = capacity
+        self._active = {}
+        self._memory = collections.OrderedDict()
+
+    def __getitem__(self, key):
+        try:
+            return self._active[key]
+        except KeyError:
+            self._memory.move_to_end(key)
+            return self._memory[key]
+
+    def __setitem__(self, key, value):
+        self._memory.pop(key, None)
+        self._active[key] = value
+
+    def __delitem__(self, key):
+        try:
+            value = self._active.pop(key)
+        except KeyError:
+            pass
+        else:
+            while len(self._memory) >= self._capacity:
+                self._memory.popitem(last=False)
+            self._memory[key] = value
+
+    def clear(self):
+        self._active.clear()
+        self._memory.clear()
+
+
+class UnboundedMemo(dict):
+    """
+    A memoizing mapping that retains all deleted items
+    """
+
+    def __delitem__(self, key):
+        pass
+
+
+def _escape_regex_range_chars(s: str) -> str:
+    # escape these chars: ^-[]
+    for c in r"\^-[]":
+        s = s.replace(c, _bslash + c)
+    s = s.replace("\n", r"\n")
+    s = s.replace("\t", r"\t")
+    return str(s)
+
+
+def _collapse_string_to_ranges(
+    s: Union[str, Iterable[str]], re_escape: bool = True
+) -> str:
+    def is_consecutive(c):
+        c_int = ord(c)
+        is_consecutive.prev, prev = c_int, is_consecutive.prev
+        if c_int - prev > 1:
+            is_consecutive.value = next(is_consecutive.counter)
+        return is_consecutive.value
+
+    is_consecutive.prev = 0
+    is_consecutive.counter = itertools.count()
+    is_consecutive.value = -1
+
+    def escape_re_range_char(c):
+        return "\\" + c if c in r"\^-][" else c
+
+    def no_escape_re_range_char(c):
+        return c
+
+    if not re_escape:
+        escape_re_range_char = no_escape_re_range_char
+
+    ret = []
+    s = "".join(sorted(set(s)))
+    if len(s) > 3:
+        for _, chars in itertools.groupby(s, key=is_consecutive):
+            first = last = next(chars)
+            last = collections.deque(
+                itertools.chain(iter([last]), chars), maxlen=1
+            ).pop()
+            if first == last:
+                ret.append(escape_re_range_char(first))
+            else:
+                sep = "" if ord(last) == ord(first) + 1 else "-"
+                ret.append(
+                    "{}{}{}".format(
+                        escape_re_range_char(first), sep, escape_re_range_char(last)
+                    )
+                )
+    else:
+        ret = [escape_re_range_char(c) for c in s]
+
+    return "".join(ret)
+
+
+def _flatten(ll: list) -> list:
+    ret = []
+    for i in ll:
+        if isinstance(i, list):
+            ret.extend(_flatten(i))
+        else:
+            ret.append(i)
+    return ret
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..75a633bf9dc81ebb94775cb810d91d2b3cf48190
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/__init__.py
@@ -0,0 +1,154 @@
+# -*- coding: utf-8 -*-
+
+#   __
+#  /__)  _  _     _   _ _/   _
+# / (   (- (/ (/ (- _)  /  _)
+#          /
+
+"""
+Requests HTTP Library
+~~~~~~~~~~~~~~~~~~~~~
+
+Requests is an HTTP library, written in Python, for human beings.
+Basic GET usage:
+
+   >>> import requests
+   >>> r = requests.get('https://www.python.org')
+   >>> r.status_code
+   200
+   >>> b'Python is a programming language' in r.content
+   True
+
+... or POST:
+
+   >>> payload = dict(key1='value1', key2='value2')
+   >>> r = requests.post('https://httpbin.org/post', data=payload)
+   >>> print(r.text)
+   {
+     ...
+     "form": {
+       "key1": "value1",
+       "key2": "value2"
+     },
+     ...
+   }
+
+The other HTTP methods are supported - see `requests.api`. Full documentation
+is at <https://requests.readthedocs.io>.
+
+:copyright: (c) 2017 by Kenneth Reitz.
+:license: Apache 2.0, see LICENSE for more details.
+"""
+
+from pip._vendor import urllib3
+import warnings
+from .exceptions import RequestsDependencyWarning
+
+charset_normalizer_version = None
+
+try:
+    from pip._vendor.chardet import __version__ as chardet_version
+except ImportError:
+    chardet_version = None
+
+def check_compatibility(urllib3_version, chardet_version, charset_normalizer_version):
+    urllib3_version = urllib3_version.split('.')
+    assert urllib3_version != ['dev']  # Verify urllib3 isn't installed from git.
+
+    # Sometimes, urllib3 only reports its version as 16.1.
+    if len(urllib3_version) == 2:
+        urllib3_version.append('0')
+
+    # Check urllib3 for compatibility.
+    major, minor, patch = urllib3_version  # noqa: F811
+    major, minor, patch = int(major), int(minor), int(patch)
+    # urllib3 >= 1.21.1, <= 1.26
+    assert major == 1
+    assert minor >= 21
+    assert minor <= 26
+
+    # Check charset_normalizer for compatibility.
+    if chardet_version:
+        major, minor, patch = chardet_version.split('.')[:3]
+        major, minor, patch = int(major), int(minor), int(patch)
+        # chardet_version >= 3.0.2, < 5.0.0
+        assert (3, 0, 2) <= (major, minor, patch) < (5, 0, 0)
+    elif charset_normalizer_version:
+        major, minor, patch = charset_normalizer_version.split('.')[:3]
+        major, minor, patch = int(major), int(minor), int(patch)
+        # charset_normalizer >= 2.0.0 < 3.0.0
+        assert (2, 0, 0) <= (major, minor, patch) < (3, 0, 0)
+    else:
+        raise Exception("You need either charset_normalizer or chardet installed")
+
+def _check_cryptography(cryptography_version):
+    # cryptography < 1.3.4
+    try:
+        cryptography_version = list(map(int, cryptography_version.split('.')))
+    except ValueError:
+        return
+
+    if cryptography_version < [1, 3, 4]:
+        warning = 'Old version of cryptography ({}) may cause slowdown.'.format(cryptography_version)
+        warnings.warn(warning, RequestsDependencyWarning)
+
+# Check imported dependencies for compatibility.
+try:
+    check_compatibility(urllib3.__version__, chardet_version, charset_normalizer_version)
+except (AssertionError, ValueError):
+    warnings.warn("urllib3 ({}) or chardet ({})/charset_normalizer ({}) doesn't match a supported "
+                  "version!".format(urllib3.__version__, chardet_version, charset_normalizer_version),
+                  RequestsDependencyWarning)
+
+# Attempt to enable urllib3's fallback for SNI support
+# if the standard library doesn't support SNI or the
+# 'ssl' library isn't available.
+try:
+    # Note: This logic prevents upgrading cryptography on Windows, if imported
+    #       as part of pip.
+    from pip._internal.utils.compat import WINDOWS
+    if not WINDOWS:
+        raise ImportError("pip internals: don't import cryptography on Windows")
+    try:
+        import ssl
+    except ImportError:
+        ssl = None
+
+    if not getattr(ssl, "HAS_SNI", False):
+        from pip._vendor.urllib3.contrib import pyopenssl
+        pyopenssl.inject_into_urllib3()
+
+        # Check cryptography version
+        from cryptography import __version__ as cryptography_version
+        _check_cryptography(cryptography_version)
+except ImportError:
+    pass
+
+# urllib3's DependencyWarnings should be silenced.
+from pip._vendor.urllib3.exceptions import DependencyWarning
+warnings.simplefilter('ignore', DependencyWarning)
+
+from .__version__ import __title__, __description__, __url__, __version__
+from .__version__ import __build__, __author__, __author_email__, __license__
+from .__version__ import __copyright__, __cake__
+
+from . import utils
+from . import packages
+from .models import Request, Response, PreparedRequest
+from .api import request, get, head, post, patch, put, delete, options
+from .sessions import session, Session
+from .status_codes import codes
+from .exceptions import (
+    RequestException, Timeout, URLRequired,
+    TooManyRedirects, HTTPError, ConnectionError,
+    FileModeWarning, ConnectTimeout, ReadTimeout, JSONDecodeError
+)
+
+# Set default logging handler to avoid "No handler found" warnings.
+import logging
+from logging import NullHandler
+
+logging.getLogger(__name__).addHandler(NullHandler())
+
+# FileModeWarnings go off per the default.
+warnings.simplefilter('default', FileModeWarning, append=True)
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/__version__.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/__version__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e973b03b5ff445922bf7106cb00dbc0ee5979041
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/__version__.py
@@ -0,0 +1,14 @@
+# .-. .-. .-. . . .-. .-. .-. .-.
+# |(  |-  |.| | | |-  `-.  |  `-.
+# ' ' `-' `-`.`-' `-' `-'  '  `-'
+
+__title__ = 'requests'
+__description__ = 'Python HTTP for Humans.'
+__url__ = 'https://requests.readthedocs.io'
+__version__ = '2.27.1'
+__build__ = 0x022701
+__author__ = 'Kenneth Reitz'
+__author_email__ = 'me@kennethreitz.org'
+__license__ = 'Apache 2.0'
+__copyright__ = 'Copyright 2022 Kenneth Reitz'
+__cake__ = u'\u2728 \U0001f370 \u2728'
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/_internal_utils.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/_internal_utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..759d9a56ba0102bb3b7b3abfcfae6731a2ecc243
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/_internal_utils.py
@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests._internal_utils
+~~~~~~~~~~~~~~
+
+Provides utility functions that are consumed internally by Requests
+which depend on extremely few external helpers (such as compat)
+"""
+
+from .compat import is_py2, builtin_str, str
+
+
+def to_native_string(string, encoding='ascii'):
+    """Given a string object, regardless of type, returns a representation of
+    that string in the native string type, encoding and decoding where
+    necessary. This assumes ASCII unless told otherwise.
+    """
+    if isinstance(string, builtin_str):
+        out = string
+    else:
+        if is_py2:
+            out = string.encode(encoding)
+        else:
+            out = string.decode(encoding)
+
+    return out
+
+
+def unicode_is_ascii(u_string):
+    """Determine if unicode string only contains ASCII characters.
+
+    :param str u_string: unicode string to check. Must be unicode
+        and not Python 2 `str`.
+    :rtype: bool
+    """
+    assert isinstance(u_string, str)
+    try:
+        u_string.encode('ascii')
+        return True
+    except UnicodeEncodeError:
+        return False
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/adapters.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/adapters.py
new file mode 100644
index 0000000000000000000000000000000000000000..b3dfa5706378331a971fe402642590099018909b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/adapters.py
@@ -0,0 +1,538 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.adapters
+~~~~~~~~~~~~~~~~~
+
+This module contains the transport adapters that Requests uses to define
+and maintain connections.
+"""
+
+import os.path
+import socket
+
+from pip._vendor.urllib3.poolmanager import PoolManager, proxy_from_url
+from pip._vendor.urllib3.response import HTTPResponse
+from pip._vendor.urllib3.util import parse_url
+from pip._vendor.urllib3.util import Timeout as TimeoutSauce
+from pip._vendor.urllib3.util.retry import Retry
+from pip._vendor.urllib3.exceptions import ClosedPoolError
+from pip._vendor.urllib3.exceptions import ConnectTimeoutError
+from pip._vendor.urllib3.exceptions import HTTPError as _HTTPError
+from pip._vendor.urllib3.exceptions import InvalidHeader as _InvalidHeader
+from pip._vendor.urllib3.exceptions import MaxRetryError
+from pip._vendor.urllib3.exceptions import NewConnectionError
+from pip._vendor.urllib3.exceptions import ProxyError as _ProxyError
+from pip._vendor.urllib3.exceptions import ProtocolError
+from pip._vendor.urllib3.exceptions import ReadTimeoutError
+from pip._vendor.urllib3.exceptions import SSLError as _SSLError
+from pip._vendor.urllib3.exceptions import ResponseError
+from pip._vendor.urllib3.exceptions import LocationValueError
+
+from .models import Response
+from .compat import urlparse, basestring
+from .utils import (DEFAULT_CA_BUNDLE_PATH, extract_zipped_paths,
+                    get_encoding_from_headers, prepend_scheme_if_needed,
+                    get_auth_from_url, urldefragauth, select_proxy)
+from .structures import CaseInsensitiveDict
+from .cookies import extract_cookies_to_jar
+from .exceptions import (ConnectionError, ConnectTimeout, ReadTimeout, SSLError,
+                         ProxyError, RetryError, InvalidSchema, InvalidProxyURL,
+                         InvalidURL, InvalidHeader)
+from .auth import _basic_auth_str
+
+try:
+    from pip._vendor.urllib3.contrib.socks import SOCKSProxyManager
+except ImportError:
+    def SOCKSProxyManager(*args, **kwargs):
+        raise InvalidSchema("Missing dependencies for SOCKS support.")
+
+DEFAULT_POOLBLOCK = False
+DEFAULT_POOLSIZE = 10
+DEFAULT_RETRIES = 0
+DEFAULT_POOL_TIMEOUT = None
+
+
+class BaseAdapter(object):
+    """The Base Transport Adapter"""
+
+    def __init__(self):
+        super(BaseAdapter, self).__init__()
+
+    def send(self, request, stream=False, timeout=None, verify=True,
+             cert=None, proxies=None):
+        """Sends PreparedRequest object. Returns Response object.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
+        :param stream: (optional) Whether to stream the request content.
+        :param timeout: (optional) How long to wait for the server to send
+            data before giving up, as a float, or a :ref:`(connect timeout,
+            read timeout) <timeouts>` tuple.
+        :type timeout: float or tuple
+        :param verify: (optional) Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use
+        :param cert: (optional) Any user-provided SSL certificate to be trusted.
+        :param proxies: (optional) The proxies dictionary to apply to the request.
+        """
+        raise NotImplementedError
+
+    def close(self):
+        """Cleans up adapter specific items."""
+        raise NotImplementedError
+
+
+class HTTPAdapter(BaseAdapter):
+    """The built-in HTTP Adapter for urllib3.
+
+    Provides a general-case interface for Requests sessions to contact HTTP and
+    HTTPS urls by implementing the Transport Adapter interface. This class will
+    usually be created by the :class:`Session <Session>` class under the
+    covers.
+
+    :param pool_connections: The number of urllib3 connection pools to cache.
+    :param pool_maxsize: The maximum number of connections to save in the pool.
+    :param max_retries: The maximum number of retries each connection
+        should attempt. Note, this applies only to failed DNS lookups, socket
+        connections and connection timeouts, never to requests where data has
+        made it to the server. By default, Requests does not retry failed
+        connections. If you need granular control over the conditions under
+        which we retry a request, import urllib3's ``Retry`` class and pass
+        that instead.
+    :param pool_block: Whether the connection pool should block for connections.
+
+    Usage::
+
+      >>> import requests
+      >>> s = requests.Session()
+      >>> a = requests.adapters.HTTPAdapter(max_retries=3)
+      >>> s.mount('http://', a)
+    """
+    __attrs__ = ['max_retries', 'config', '_pool_connections', '_pool_maxsize',
+                 '_pool_block']
+
+    def __init__(self, pool_connections=DEFAULT_POOLSIZE,
+                 pool_maxsize=DEFAULT_POOLSIZE, max_retries=DEFAULT_RETRIES,
+                 pool_block=DEFAULT_POOLBLOCK):
+        if max_retries == DEFAULT_RETRIES:
+            self.max_retries = Retry(0, read=False)
+        else:
+            self.max_retries = Retry.from_int(max_retries)
+        self.config = {}
+        self.proxy_manager = {}
+
+        super(HTTPAdapter, self).__init__()
+
+        self._pool_connections = pool_connections
+        self._pool_maxsize = pool_maxsize
+        self._pool_block = pool_block
+
+        self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block)
+
+    def __getstate__(self):
+        return {attr: getattr(self, attr, None) for attr in self.__attrs__}
+
+    def __setstate__(self, state):
+        # Can't handle by adding 'proxy_manager' to self.__attrs__ because
+        # self.poolmanager uses a lambda function, which isn't pickleable.
+        self.proxy_manager = {}
+        self.config = {}
+
+        for attr, value in state.items():
+            setattr(self, attr, value)
+
+        self.init_poolmanager(self._pool_connections, self._pool_maxsize,
+                              block=self._pool_block)
+
+    def init_poolmanager(self, connections, maxsize, block=DEFAULT_POOLBLOCK, **pool_kwargs):
+        """Initializes a urllib3 PoolManager.
+
+        This method should not be called from user code, and is only
+        exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param connections: The number of urllib3 connection pools to cache.
+        :param maxsize: The maximum number of connections to save in the pool.
+        :param block: Block when no free connections are available.
+        :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager.
+        """
+        # save these values for pickling
+        self._pool_connections = connections
+        self._pool_maxsize = maxsize
+        self._pool_block = block
+
+        self.poolmanager = PoolManager(num_pools=connections, maxsize=maxsize,
+                                       block=block, strict=True, **pool_kwargs)
+
+    def proxy_manager_for(self, proxy, **proxy_kwargs):
+        """Return urllib3 ProxyManager for the given proxy.
+
+        This method should not be called from user code, and is only
+        exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param proxy: The proxy to return a urllib3 ProxyManager for.
+        :param proxy_kwargs: Extra keyword arguments used to configure the Proxy Manager.
+        :returns: ProxyManager
+        :rtype: urllib3.ProxyManager
+        """
+        if proxy in self.proxy_manager:
+            manager = self.proxy_manager[proxy]
+        elif proxy.lower().startswith('socks'):
+            username, password = get_auth_from_url(proxy)
+            manager = self.proxy_manager[proxy] = SOCKSProxyManager(
+                proxy,
+                username=username,
+                password=password,
+                num_pools=self._pool_connections,
+                maxsize=self._pool_maxsize,
+                block=self._pool_block,
+                **proxy_kwargs
+            )
+        else:
+            proxy_headers = self.proxy_headers(proxy)
+            manager = self.proxy_manager[proxy] = proxy_from_url(
+                proxy,
+                proxy_headers=proxy_headers,
+                num_pools=self._pool_connections,
+                maxsize=self._pool_maxsize,
+                block=self._pool_block,
+                **proxy_kwargs)
+
+        return manager
+
+    def cert_verify(self, conn, url, verify, cert):
+        """Verify a SSL certificate. This method should not be called from user
+        code, and is only exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param conn: The urllib3 connection object associated with the cert.
+        :param url: The requested URL.
+        :param verify: Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use
+        :param cert: The SSL certificate to verify.
+        """
+        if url.lower().startswith('https') and verify:
+
+            cert_loc = None
+
+            # Allow self-specified cert location.
+            if verify is not True:
+                cert_loc = verify
+
+            if not cert_loc:
+                cert_loc = extract_zipped_paths(DEFAULT_CA_BUNDLE_PATH)
+
+            if not cert_loc or not os.path.exists(cert_loc):
+                raise IOError("Could not find a suitable TLS CA certificate bundle, "
+                              "invalid path: {}".format(cert_loc))
+
+            conn.cert_reqs = 'CERT_REQUIRED'
+
+            if not os.path.isdir(cert_loc):
+                conn.ca_certs = cert_loc
+            else:
+                conn.ca_cert_dir = cert_loc
+        else:
+            conn.cert_reqs = 'CERT_NONE'
+            conn.ca_certs = None
+            conn.ca_cert_dir = None
+
+        if cert:
+            if not isinstance(cert, basestring):
+                conn.cert_file = cert[0]
+                conn.key_file = cert[1]
+            else:
+                conn.cert_file = cert
+                conn.key_file = None
+            if conn.cert_file and not os.path.exists(conn.cert_file):
+                raise IOError("Could not find the TLS certificate file, "
+                              "invalid path: {}".format(conn.cert_file))
+            if conn.key_file and not os.path.exists(conn.key_file):
+                raise IOError("Could not find the TLS key file, "
+                              "invalid path: {}".format(conn.key_file))
+
+    def build_response(self, req, resp):
+        """Builds a :class:`Response <requests.Response>` object from a urllib3
+        response. This should not be called from user code, and is only exposed
+        for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`
+
+        :param req: The :class:`PreparedRequest <PreparedRequest>` used to generate the response.
+        :param resp: The urllib3 response object.
+        :rtype: requests.Response
+        """
+        response = Response()
+
+        # Fallback to None if there's no status_code, for whatever reason.
+        response.status_code = getattr(resp, 'status', None)
+
+        # Make headers case-insensitive.
+        response.headers = CaseInsensitiveDict(getattr(resp, 'headers', {}))
+
+        # Set encoding.
+        response.encoding = get_encoding_from_headers(response.headers)
+        response.raw = resp
+        response.reason = response.raw.reason
+
+        if isinstance(req.url, bytes):
+            response.url = req.url.decode('utf-8')
+        else:
+            response.url = req.url
+
+        # Add new cookies from the server.
+        extract_cookies_to_jar(response.cookies, req, resp)
+
+        # Give the Response some context.
+        response.request = req
+        response.connection = self
+
+        return response
+
+    def get_connection(self, url, proxies=None):
+        """Returns a urllib3 connection for the given URL. This should not be
+        called from user code, and is only exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param url: The URL to connect to.
+        :param proxies: (optional) A Requests-style dictionary of proxies used on this request.
+        :rtype: urllib3.ConnectionPool
+        """
+        proxy = select_proxy(url, proxies)
+
+        if proxy:
+            proxy = prepend_scheme_if_needed(proxy, 'http')
+            proxy_url = parse_url(proxy)
+            if not proxy_url.host:
+                raise InvalidProxyURL("Please check proxy URL. It is malformed"
+                                      " and could be missing the host.")
+            proxy_manager = self.proxy_manager_for(proxy)
+            conn = proxy_manager.connection_from_url(url)
+        else:
+            # Only scheme should be lower case
+            parsed = urlparse(url)
+            url = parsed.geturl()
+            conn = self.poolmanager.connection_from_url(url)
+
+        return conn
+
+    def close(self):
+        """Disposes of any internal state.
+
+        Currently, this closes the PoolManager and any active ProxyManager,
+        which closes any pooled connections.
+        """
+        self.poolmanager.clear()
+        for proxy in self.proxy_manager.values():
+            proxy.clear()
+
+    def request_url(self, request, proxies):
+        """Obtain the url to use when making the final request.
+
+        If the message is being sent through a HTTP proxy, the full URL has to
+        be used. Otherwise, we should only use the path portion of the URL.
+
+        This should not be called from user code, and is only exposed for use
+        when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
+        :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs.
+        :rtype: str
+        """
+        proxy = select_proxy(request.url, proxies)
+        scheme = urlparse(request.url).scheme
+
+        is_proxied_http_request = (proxy and scheme != 'https')
+        using_socks_proxy = False
+        if proxy:
+            proxy_scheme = urlparse(proxy).scheme.lower()
+            using_socks_proxy = proxy_scheme.startswith('socks')
+
+        url = request.path_url
+        if is_proxied_http_request and not using_socks_proxy:
+            url = urldefragauth(request.url)
+
+        return url
+
+    def add_headers(self, request, **kwargs):
+        """Add any headers needed by the connection. As of v2.0 this does
+        nothing by default, but is left for overriding by users that subclass
+        the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        This should not be called from user code, and is only exposed for use
+        when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` to add headers to.
+        :param kwargs: The keyword arguments from the call to send().
+        """
+        pass
+
+    def proxy_headers(self, proxy):
+        """Returns a dictionary of the headers to add to any request sent
+        through a proxy. This works with urllib3 magic to ensure that they are
+        correctly sent to the proxy, rather than in a tunnelled request if
+        CONNECT is being used.
+
+        This should not be called from user code, and is only exposed for use
+        when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param proxy: The url of the proxy being used for this request.
+        :rtype: dict
+        """
+        headers = {}
+        username, password = get_auth_from_url(proxy)
+
+        if username:
+            headers['Proxy-Authorization'] = _basic_auth_str(username,
+                                                             password)
+
+        return headers
+
+    def send(self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None):
+        """Sends PreparedRequest object. Returns Response object.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
+        :param stream: (optional) Whether to stream the request content.
+        :param timeout: (optional) How long to wait for the server to send
+            data before giving up, as a float, or a :ref:`(connect timeout,
+            read timeout) <timeouts>` tuple.
+        :type timeout: float or tuple or urllib3 Timeout object
+        :param verify: (optional) Either a boolean, in which case it controls whether
+            we verify the server's TLS certificate, or a string, in which case it
+            must be a path to a CA bundle to use
+        :param cert: (optional) Any user-provided SSL certificate to be trusted.
+        :param proxies: (optional) The proxies dictionary to apply to the request.
+        :rtype: requests.Response
+        """
+
+        try:
+            conn = self.get_connection(request.url, proxies)
+        except LocationValueError as e:
+            raise InvalidURL(e, request=request)
+
+        self.cert_verify(conn, request.url, verify, cert)
+        url = self.request_url(request, proxies)
+        self.add_headers(request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies)
+
+        chunked = not (request.body is None or 'Content-Length' in request.headers)
+
+        if isinstance(timeout, tuple):
+            try:
+                connect, read = timeout
+                timeout = TimeoutSauce(connect=connect, read=read)
+            except ValueError as e:
+                # this may raise a string formatting error.
+                err = ("Invalid timeout {}. Pass a (connect, read) "
+                       "timeout tuple, or a single float to set "
+                       "both timeouts to the same value".format(timeout))
+                raise ValueError(err)
+        elif isinstance(timeout, TimeoutSauce):
+            pass
+        else:
+            timeout = TimeoutSauce(connect=timeout, read=timeout)
+
+        try:
+            if not chunked:
+                resp = conn.urlopen(
+                    method=request.method,
+                    url=url,
+                    body=request.body,
+                    headers=request.headers,
+                    redirect=False,
+                    assert_same_host=False,
+                    preload_content=False,
+                    decode_content=False,
+                    retries=self.max_retries,
+                    timeout=timeout
+                )
+
+            # Send the request.
+            else:
+                if hasattr(conn, 'proxy_pool'):
+                    conn = conn.proxy_pool
+
+                low_conn = conn._get_conn(timeout=DEFAULT_POOL_TIMEOUT)
+
+                try:
+                    skip_host = 'Host' in request.headers
+                    low_conn.putrequest(request.method,
+                                        url,
+                                        skip_accept_encoding=True,
+                                        skip_host=skip_host)
+
+                    for header, value in request.headers.items():
+                        low_conn.putheader(header, value)
+
+                    low_conn.endheaders()
+
+                    for i in request.body:
+                        low_conn.send(hex(len(i))[2:].encode('utf-8'))
+                        low_conn.send(b'\r\n')
+                        low_conn.send(i)
+                        low_conn.send(b'\r\n')
+                    low_conn.send(b'0\r\n\r\n')
+
+                    # Receive the response from the server
+                    try:
+                        # For Python 2.7, use buffering of HTTP responses
+                        r = low_conn.getresponse(buffering=True)
+                    except TypeError:
+                        # For compatibility with Python 3.3+
+                        r = low_conn.getresponse()
+
+                    resp = HTTPResponse.from_httplib(
+                        r,
+                        pool=conn,
+                        connection=low_conn,
+                        preload_content=False,
+                        decode_content=False
+                    )
+                except:
+                    # If we hit any problems here, clean up the connection.
+                    # Then, reraise so that we can handle the actual exception.
+                    low_conn.close()
+                    raise
+
+        except (ProtocolError, socket.error) as err:
+            raise ConnectionError(err, request=request)
+
+        except MaxRetryError as e:
+            if isinstance(e.reason, ConnectTimeoutError):
+                # TODO: Remove this in 3.0.0: see #2811
+                if not isinstance(e.reason, NewConnectionError):
+                    raise ConnectTimeout(e, request=request)
+
+            if isinstance(e.reason, ResponseError):
+                raise RetryError(e, request=request)
+
+            if isinstance(e.reason, _ProxyError):
+                raise ProxyError(e, request=request)
+
+            if isinstance(e.reason, _SSLError):
+                # This branch is for urllib3 v1.22 and later.
+                raise SSLError(e, request=request)
+
+            raise ConnectionError(e, request=request)
+
+        except ClosedPoolError as e:
+            raise ConnectionError(e, request=request)
+
+        except _ProxyError as e:
+            raise ProxyError(e)
+
+        except (_SSLError, _HTTPError) as e:
+            if isinstance(e, _SSLError):
+                # This branch is for urllib3 versions earlier than v1.22
+                raise SSLError(e, request=request)
+            elif isinstance(e, ReadTimeoutError):
+                raise ReadTimeout(e, request=request)
+            elif isinstance(e, _InvalidHeader):
+                raise InvalidHeader(e, request=request)
+            else:
+                raise
+
+        return self.build_response(request, resp)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/api.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/api.py
new file mode 100644
index 0000000000000000000000000000000000000000..4cba90eefe8ef9188a821acf880f51a7058e342b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/api.py
@@ -0,0 +1,159 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.api
+~~~~~~~~~~~~
+
+This module implements the Requests API.
+
+:copyright: (c) 2012 by Kenneth Reitz.
+:license: Apache2, see LICENSE for more details.
+"""
+
+from . import sessions
+
+
+def request(method, url, **kwargs):
+    """Constructs and sends a :class:`Request <Request>`.
+
+    :param method: method for the new :class:`Request` object: ``GET``, ``OPTIONS``, ``HEAD``, ``POST``, ``PUT``, ``PATCH``, or ``DELETE``.
+    :param url: URL for the new :class:`Request` object.
+    :param params: (optional) Dictionary, list of tuples or bytes to send
+        in the query string for the :class:`Request`.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`.
+    :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`.
+    :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`.
+    :param files: (optional) Dictionary of ``'name': file-like-objects`` (or ``{'name': file-tuple}``) for multipart encoding upload.
+        ``file-tuple`` can be a 2-tuple ``('filename', fileobj)``, 3-tuple ``('filename', fileobj, 'content_type')``
+        or a 4-tuple ``('filename', fileobj, 'content_type', custom_headers)``, where ``'content-type'`` is a string
+        defining the content type of the given file and ``custom_headers`` a dict-like object containing additional headers
+        to add for the file.
+    :param auth: (optional) Auth tuple to enable Basic/Digest/Custom HTTP Auth.
+    :param timeout: (optional) How many seconds to wait for the server to send data
+        before giving up, as a float, or a :ref:`(connect timeout, read
+        timeout) <timeouts>` tuple.
+    :type timeout: float or tuple
+    :param allow_redirects: (optional) Boolean. Enable/disable GET/OPTIONS/POST/PUT/PATCH/DELETE/HEAD redirection. Defaults to ``True``.
+    :type allow_redirects: bool
+    :param proxies: (optional) Dictionary mapping protocol to the URL of the proxy.
+    :param verify: (optional) Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use. Defaults to ``True``.
+    :param stream: (optional) if ``False``, the response content will be immediately downloaded.
+    :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+
+    Usage::
+
+      >>> import requests
+      >>> req = requests.request('GET', 'https://httpbin.org/get')
+      >>> req
+      <Response [200]>
+    """
+
+    # By using the 'with' statement we are sure the session is closed, thus we
+    # avoid leaving sockets open which can trigger a ResourceWarning in some
+    # cases, and look like a memory leak in others.
+    with sessions.Session() as session:
+        return session.request(method=method, url=url, **kwargs)
+
+
+def get(url, params=None, **kwargs):
+    r"""Sends a GET request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param params: (optional) Dictionary, list of tuples or bytes to send
+        in the query string for the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request('get', url, params=params, **kwargs)
+
+
+def options(url, **kwargs):
+    r"""Sends an OPTIONS request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request('options', url, **kwargs)
+
+
+def head(url, **kwargs):
+    r"""Sends a HEAD request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param \*\*kwargs: Optional arguments that ``request`` takes. If
+        `allow_redirects` is not provided, it will be set to `False` (as
+        opposed to the default :meth:`request` behavior).
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    kwargs.setdefault('allow_redirects', False)
+    return request('head', url, **kwargs)
+
+
+def post(url, data=None, json=None, **kwargs):
+    r"""Sends a POST request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) json data to send in the body of the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request('post', url, data=data, json=json, **kwargs)
+
+
+def put(url, data=None, **kwargs):
+    r"""Sends a PUT request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) json data to send in the body of the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request('put', url, data=data, **kwargs)
+
+
+def patch(url, data=None, **kwargs):
+    r"""Sends a PATCH request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) json data to send in the body of the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request('patch', url, data=data, **kwargs)
+
+
+def delete(url, **kwargs):
+    r"""Sends a DELETE request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request('delete', url, **kwargs)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/auth.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/auth.py
new file mode 100644
index 0000000000000000000000000000000000000000..eeface39ae62c3975ff535e6b1f79f2c28fbf888
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/auth.py
@@ -0,0 +1,305 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.auth
+~~~~~~~~~~~~~
+
+This module contains the authentication handlers for Requests.
+"""
+
+import os
+import re
+import time
+import hashlib
+import threading
+import warnings
+
+from base64 import b64encode
+
+from .compat import urlparse, str, basestring
+from .cookies import extract_cookies_to_jar
+from ._internal_utils import to_native_string
+from .utils import parse_dict_header
+
+CONTENT_TYPE_FORM_URLENCODED = 'application/x-www-form-urlencoded'
+CONTENT_TYPE_MULTI_PART = 'multipart/form-data'
+
+
+def _basic_auth_str(username, password):
+    """Returns a Basic Auth string."""
+
+    # "I want us to put a big-ol' comment on top of it that
+    # says that this behaviour is dumb but we need to preserve
+    # it because people are relying on it."
+    #    - Lukasa
+    #
+    # These are here solely to maintain backwards compatibility
+    # for things like ints. This will be removed in 3.0.0.
+    if not isinstance(username, basestring):
+        warnings.warn(
+            "Non-string usernames will no longer be supported in Requests "
+            "3.0.0. Please convert the object you've passed in ({!r}) to "
+            "a string or bytes object in the near future to avoid "
+            "problems.".format(username),
+            category=DeprecationWarning,
+        )
+        username = str(username)
+
+    if not isinstance(password, basestring):
+        warnings.warn(
+            "Non-string passwords will no longer be supported in Requests "
+            "3.0.0. Please convert the object you've passed in ({!r}) to "
+            "a string or bytes object in the near future to avoid "
+            "problems.".format(type(password)),
+            category=DeprecationWarning,
+        )
+        password = str(password)
+    # -- End Removal --
+
+    if isinstance(username, str):
+        username = username.encode('latin1')
+
+    if isinstance(password, str):
+        password = password.encode('latin1')
+
+    authstr = 'Basic ' + to_native_string(
+        b64encode(b':'.join((username, password))).strip()
+    )
+
+    return authstr
+
+
+class AuthBase(object):
+    """Base class that all auth implementations derive from"""
+
+    def __call__(self, r):
+        raise NotImplementedError('Auth hooks must be callable.')
+
+
+class HTTPBasicAuth(AuthBase):
+    """Attaches HTTP Basic Authentication to the given Request object."""
+
+    def __init__(self, username, password):
+        self.username = username
+        self.password = password
+
+    def __eq__(self, other):
+        return all([
+            self.username == getattr(other, 'username', None),
+            self.password == getattr(other, 'password', None)
+        ])
+
+    def __ne__(self, other):
+        return not self == other
+
+    def __call__(self, r):
+        r.headers['Authorization'] = _basic_auth_str(self.username, self.password)
+        return r
+
+
+class HTTPProxyAuth(HTTPBasicAuth):
+    """Attaches HTTP Proxy Authentication to a given Request object."""
+
+    def __call__(self, r):
+        r.headers['Proxy-Authorization'] = _basic_auth_str(self.username, self.password)
+        return r
+
+
+class HTTPDigestAuth(AuthBase):
+    """Attaches HTTP Digest Authentication to the given Request object."""
+
+    def __init__(self, username, password):
+        self.username = username
+        self.password = password
+        # Keep state in per-thread local storage
+        self._thread_local = threading.local()
+
+    def init_per_thread_state(self):
+        # Ensure state is initialized just once per-thread
+        if not hasattr(self._thread_local, 'init'):
+            self._thread_local.init = True
+            self._thread_local.last_nonce = ''
+            self._thread_local.nonce_count = 0
+            self._thread_local.chal = {}
+            self._thread_local.pos = None
+            self._thread_local.num_401_calls = None
+
+    def build_digest_header(self, method, url):
+        """
+        :rtype: str
+        """
+
+        realm = self._thread_local.chal['realm']
+        nonce = self._thread_local.chal['nonce']
+        qop = self._thread_local.chal.get('qop')
+        algorithm = self._thread_local.chal.get('algorithm')
+        opaque = self._thread_local.chal.get('opaque')
+        hash_utf8 = None
+
+        if algorithm is None:
+            _algorithm = 'MD5'
+        else:
+            _algorithm = algorithm.upper()
+        # lambdas assume digest modules are imported at the top level
+        if _algorithm == 'MD5' or _algorithm == 'MD5-SESS':
+            def md5_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode('utf-8')
+                return hashlib.md5(x).hexdigest()
+            hash_utf8 = md5_utf8
+        elif _algorithm == 'SHA':
+            def sha_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode('utf-8')
+                return hashlib.sha1(x).hexdigest()
+            hash_utf8 = sha_utf8
+        elif _algorithm == 'SHA-256':
+            def sha256_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode('utf-8')
+                return hashlib.sha256(x).hexdigest()
+            hash_utf8 = sha256_utf8
+        elif _algorithm == 'SHA-512':
+            def sha512_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode('utf-8')
+                return hashlib.sha512(x).hexdigest()
+            hash_utf8 = sha512_utf8
+
+        KD = lambda s, d: hash_utf8("%s:%s" % (s, d))
+
+        if hash_utf8 is None:
+            return None
+
+        # XXX not implemented yet
+        entdig = None
+        p_parsed = urlparse(url)
+        #: path is request-uri defined in RFC 2616 which should not be empty
+        path = p_parsed.path or "/"
+        if p_parsed.query:
+            path += '?' + p_parsed.query
+
+        A1 = '%s:%s:%s' % (self.username, realm, self.password)
+        A2 = '%s:%s' % (method, path)
+
+        HA1 = hash_utf8(A1)
+        HA2 = hash_utf8(A2)
+
+        if nonce == self._thread_local.last_nonce:
+            self._thread_local.nonce_count += 1
+        else:
+            self._thread_local.nonce_count = 1
+        ncvalue = '%08x' % self._thread_local.nonce_count
+        s = str(self._thread_local.nonce_count).encode('utf-8')
+        s += nonce.encode('utf-8')
+        s += time.ctime().encode('utf-8')
+        s += os.urandom(8)
+
+        cnonce = (hashlib.sha1(s).hexdigest()[:16])
+        if _algorithm == 'MD5-SESS':
+            HA1 = hash_utf8('%s:%s:%s' % (HA1, nonce, cnonce))
+
+        if not qop:
+            respdig = KD(HA1, "%s:%s" % (nonce, HA2))
+        elif qop == 'auth' or 'auth' in qop.split(','):
+            noncebit = "%s:%s:%s:%s:%s" % (
+                nonce, ncvalue, cnonce, 'auth', HA2
+            )
+            respdig = KD(HA1, noncebit)
+        else:
+            # XXX handle auth-int.
+            return None
+
+        self._thread_local.last_nonce = nonce
+
+        # XXX should the partial digests be encoded too?
+        base = 'username="%s", realm="%s", nonce="%s", uri="%s", ' \
+               'response="%s"' % (self.username, realm, nonce, path, respdig)
+        if opaque:
+            base += ', opaque="%s"' % opaque
+        if algorithm:
+            base += ', algorithm="%s"' % algorithm
+        if entdig:
+            base += ', digest="%s"' % entdig
+        if qop:
+            base += ', qop="auth", nc=%s, cnonce="%s"' % (ncvalue, cnonce)
+
+        return 'Digest %s' % (base)
+
+    def handle_redirect(self, r, **kwargs):
+        """Reset num_401_calls counter on redirects."""
+        if r.is_redirect:
+            self._thread_local.num_401_calls = 1
+
+    def handle_401(self, r, **kwargs):
+        """
+        Takes the given response and tries digest-auth, if needed.
+
+        :rtype: requests.Response
+        """
+
+        # If response is not 4xx, do not auth
+        # See https://github.com/psf/requests/issues/3772
+        if not 400 <= r.status_code < 500:
+            self._thread_local.num_401_calls = 1
+            return r
+
+        if self._thread_local.pos is not None:
+            # Rewind the file position indicator of the body to where
+            # it was to resend the request.
+            r.request.body.seek(self._thread_local.pos)
+        s_auth = r.headers.get('www-authenticate', '')
+
+        if 'digest' in s_auth.lower() and self._thread_local.num_401_calls < 2:
+
+            self._thread_local.num_401_calls += 1
+            pat = re.compile(r'digest ', flags=re.IGNORECASE)
+            self._thread_local.chal = parse_dict_header(pat.sub('', s_auth, count=1))
+
+            # Consume content and release the original connection
+            # to allow our new request to reuse the same one.
+            r.content
+            r.close()
+            prep = r.request.copy()
+            extract_cookies_to_jar(prep._cookies, r.request, r.raw)
+            prep.prepare_cookies(prep._cookies)
+
+            prep.headers['Authorization'] = self.build_digest_header(
+                prep.method, prep.url)
+            _r = r.connection.send(prep, **kwargs)
+            _r.history.append(r)
+            _r.request = prep
+
+            return _r
+
+        self._thread_local.num_401_calls = 1
+        return r
+
+    def __call__(self, r):
+        # Initialize per-thread state, if needed
+        self.init_per_thread_state()
+        # If we have a saved nonce, skip the 401
+        if self._thread_local.last_nonce:
+            r.headers['Authorization'] = self.build_digest_header(r.method, r.url)
+        try:
+            self._thread_local.pos = r.body.tell()
+        except AttributeError:
+            # In the case of HTTPDigestAuth being reused and the body of
+            # the previous request was a file-like object, pos has the
+            # file position of the previous body. Ensure it's set to
+            # None.
+            self._thread_local.pos = None
+        r.register_hook('response', self.handle_401)
+        r.register_hook('response', self.handle_redirect)
+        self._thread_local.num_401_calls = 1
+
+        return r
+
+    def __eq__(self, other):
+        return all([
+            self.username == getattr(other, 'username', None),
+            self.password == getattr(other, 'password', None)
+        ])
+
+    def __ne__(self, other):
+        return not self == other
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/certs.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/certs.py
new file mode 100644
index 0000000000000000000000000000000000000000..06a594e58f6746041edf371bc3dc8ca42b612322
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/certs.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+requests.certs
+~~~~~~~~~~~~~~
+
+This module returns the preferred default CA certificate bundle. There is
+only one — the one from the certifi package.
+
+If you are packaging Requests, e.g., for a Linux distribution or a managed
+environment, you can change the definition of where() to return a separately
+packaged CA bundle.
+"""
+from pip._vendor.certifi import where
+
+if __name__ == '__main__':
+    print(where())
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/compat.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/compat.py
new file mode 100644
index 0000000000000000000000000000000000000000..f98cc910f9b1b042091628f32528e31b4a98238b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/compat.py
@@ -0,0 +1,77 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.compat
+~~~~~~~~~~~~~~~
+
+This module handles import compatibility issues between Python 2 and
+Python 3.
+"""
+
+from pip._vendor import chardet
+
+import sys
+
+# -------
+# Pythons
+# -------
+
+# Syntax sugar.
+_ver = sys.version_info
+
+#: Python 2.x?
+is_py2 = (_ver[0] == 2)
+
+#: Python 3.x?
+is_py3 = (_ver[0] == 3)
+
+# Note: We've patched out simplejson support in pip because it prevents
+#       upgrading simplejson on Windows.
+# try:
+#     import simplejson as json
+# except (ImportError, SyntaxError):
+#     # simplejson does not support Python 3.2, it throws a SyntaxError
+#     # because of u'...' Unicode literals.
+import json
+
+# ---------
+# Specifics
+# ---------
+
+if is_py2:
+    from urllib import (
+        quote, unquote, quote_plus, unquote_plus, urlencode, getproxies,
+        proxy_bypass, proxy_bypass_environment, getproxies_environment)
+    from urlparse import urlparse, urlunparse, urljoin, urlsplit, urldefrag
+    from urllib2 import parse_http_list
+    import cookielib
+    from Cookie import Morsel
+    from StringIO import StringIO
+    # Keep OrderedDict for backwards compatibility.
+    from collections import Callable, Mapping, MutableMapping, OrderedDict
+
+    builtin_str = str
+    bytes = str
+    str = unicode
+    basestring = basestring
+    numeric_types = (int, long, float)
+    integer_types = (int, long)
+    JSONDecodeError = ValueError
+
+elif is_py3:
+    from urllib.parse import urlparse, urlunparse, urljoin, urlsplit, urlencode, quote, unquote, quote_plus, unquote_plus, urldefrag
+    from urllib.request import parse_http_list, getproxies, proxy_bypass, proxy_bypass_environment, getproxies_environment
+    from http import cookiejar as cookielib
+    from http.cookies import Morsel
+    from io import StringIO
+    # Keep OrderedDict for backwards compatibility.
+    from collections import OrderedDict
+    from collections.abc import Callable, Mapping, MutableMapping
+    from json import JSONDecodeError
+
+    builtin_str = str
+    str = str
+    bytes = bytes
+    basestring = (str, bytes)
+    numeric_types = (int, float)
+    integer_types = (int,)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/cookies.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/cookies.py
new file mode 100644
index 0000000000000000000000000000000000000000..56fccd9c2570d2a31365ed11278fd1b6ecc2aa54
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/cookies.py
@@ -0,0 +1,549 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.cookies
+~~~~~~~~~~~~~~~~
+
+Compatibility code to be able to use `cookielib.CookieJar` with requests.
+
+requests.utils imports from here, so be careful with imports.
+"""
+
+import copy
+import time
+import calendar
+
+from ._internal_utils import to_native_string
+from .compat import cookielib, urlparse, urlunparse, Morsel, MutableMapping
+
+try:
+    import threading
+except ImportError:
+    import dummy_threading as threading
+
+
+class MockRequest(object):
+    """Wraps a `requests.Request` to mimic a `urllib2.Request`.
+
+    The code in `cookielib.CookieJar` expects this interface in order to correctly
+    manage cookie policies, i.e., determine whether a cookie can be set, given the
+    domains of the request and the cookie.
+
+    The original request object is read-only. The client is responsible for collecting
+    the new headers via `get_new_headers()` and interpreting them appropriately. You
+    probably want `get_cookie_header`, defined below.
+    """
+
+    def __init__(self, request):
+        self._r = request
+        self._new_headers = {}
+        self.type = urlparse(self._r.url).scheme
+
+    def get_type(self):
+        return self.type
+
+    def get_host(self):
+        return urlparse(self._r.url).netloc
+
+    def get_origin_req_host(self):
+        return self.get_host()
+
+    def get_full_url(self):
+        # Only return the response's URL if the user hadn't set the Host
+        # header
+        if not self._r.headers.get('Host'):
+            return self._r.url
+        # If they did set it, retrieve it and reconstruct the expected domain
+        host = to_native_string(self._r.headers['Host'], encoding='utf-8')
+        parsed = urlparse(self._r.url)
+        # Reconstruct the URL as we expect it
+        return urlunparse([
+            parsed.scheme, host, parsed.path, parsed.params, parsed.query,
+            parsed.fragment
+        ])
+
+    def is_unverifiable(self):
+        return True
+
+    def has_header(self, name):
+        return name in self._r.headers or name in self._new_headers
+
+    def get_header(self, name, default=None):
+        return self._r.headers.get(name, self._new_headers.get(name, default))
+
+    def add_header(self, key, val):
+        """cookielib has no legitimate use for this method; add it back if you find one."""
+        raise NotImplementedError("Cookie headers should be added with add_unredirected_header()")
+
+    def add_unredirected_header(self, name, value):
+        self._new_headers[name] = value
+
+    def get_new_headers(self):
+        return self._new_headers
+
+    @property
+    def unverifiable(self):
+        return self.is_unverifiable()
+
+    @property
+    def origin_req_host(self):
+        return self.get_origin_req_host()
+
+    @property
+    def host(self):
+        return self.get_host()
+
+
+class MockResponse(object):
+    """Wraps a `httplib.HTTPMessage` to mimic a `urllib.addinfourl`.
+
+    ...what? Basically, expose the parsed HTTP headers from the server response
+    the way `cookielib` expects to see them.
+    """
+
+    def __init__(self, headers):
+        """Make a MockResponse for `cookielib` to read.
+
+        :param headers: a httplib.HTTPMessage or analogous carrying the headers
+        """
+        self._headers = headers
+
+    def info(self):
+        return self._headers
+
+    def getheaders(self, name):
+        self._headers.getheaders(name)
+
+
+def extract_cookies_to_jar(jar, request, response):
+    """Extract the cookies from the response into a CookieJar.
+
+    :param jar: cookielib.CookieJar (not necessarily a RequestsCookieJar)
+    :param request: our own requests.Request object
+    :param response: urllib3.HTTPResponse object
+    """
+    if not (hasattr(response, '_original_response') and
+            response._original_response):
+        return
+    # the _original_response field is the wrapped httplib.HTTPResponse object,
+    req = MockRequest(request)
+    # pull out the HTTPMessage with the headers and put it in the mock:
+    res = MockResponse(response._original_response.msg)
+    jar.extract_cookies(res, req)
+
+
+def get_cookie_header(jar, request):
+    """
+    Produce an appropriate Cookie header string to be sent with `request`, or None.
+
+    :rtype: str
+    """
+    r = MockRequest(request)
+    jar.add_cookie_header(r)
+    return r.get_new_headers().get('Cookie')
+
+
+def remove_cookie_by_name(cookiejar, name, domain=None, path=None):
+    """Unsets a cookie by name, by default over all domains and paths.
+
+    Wraps CookieJar.clear(), is O(n).
+    """
+    clearables = []
+    for cookie in cookiejar:
+        if cookie.name != name:
+            continue
+        if domain is not None and domain != cookie.domain:
+            continue
+        if path is not None and path != cookie.path:
+            continue
+        clearables.append((cookie.domain, cookie.path, cookie.name))
+
+    for domain, path, name in clearables:
+        cookiejar.clear(domain, path, name)
+
+
+class CookieConflictError(RuntimeError):
+    """There are two cookies that meet the criteria specified in the cookie jar.
+    Use .get and .set and include domain and path args in order to be more specific.
+    """
+
+
+class RequestsCookieJar(cookielib.CookieJar, MutableMapping):
+    """Compatibility class; is a cookielib.CookieJar, but exposes a dict
+    interface.
+
+    This is the CookieJar we create by default for requests and sessions that
+    don't specify one, since some clients may expect response.cookies and
+    session.cookies to support dict operations.
+
+    Requests does not use the dict interface internally; it's just for
+    compatibility with external client code. All requests code should work
+    out of the box with externally provided instances of ``CookieJar``, e.g.
+    ``LWPCookieJar`` and ``FileCookieJar``.
+
+    Unlike a regular CookieJar, this class is pickleable.
+
+    .. warning:: dictionary operations that are normally O(1) may be O(n).
+    """
+
+    def get(self, name, default=None, domain=None, path=None):
+        """Dict-like get() that also supports optional domain and path args in
+        order to resolve naming collisions from using one cookie jar over
+        multiple domains.
+
+        .. warning:: operation is O(n), not O(1).
+        """
+        try:
+            return self._find_no_duplicates(name, domain, path)
+        except KeyError:
+            return default
+
+    def set(self, name, value, **kwargs):
+        """Dict-like set() that also supports optional domain and path args in
+        order to resolve naming collisions from using one cookie jar over
+        multiple domains.
+        """
+        # support client code that unsets cookies by assignment of a None value:
+        if value is None:
+            remove_cookie_by_name(self, name, domain=kwargs.get('domain'), path=kwargs.get('path'))
+            return
+
+        if isinstance(value, Morsel):
+            c = morsel_to_cookie(value)
+        else:
+            c = create_cookie(name, value, **kwargs)
+        self.set_cookie(c)
+        return c
+
+    def iterkeys(self):
+        """Dict-like iterkeys() that returns an iterator of names of cookies
+        from the jar.
+
+        .. seealso:: itervalues() and iteritems().
+        """
+        for cookie in iter(self):
+            yield cookie.name
+
+    def keys(self):
+        """Dict-like keys() that returns a list of names of cookies from the
+        jar.
+
+        .. seealso:: values() and items().
+        """
+        return list(self.iterkeys())
+
+    def itervalues(self):
+        """Dict-like itervalues() that returns an iterator of values of cookies
+        from the jar.
+
+        .. seealso:: iterkeys() and iteritems().
+        """
+        for cookie in iter(self):
+            yield cookie.value
+
+    def values(self):
+        """Dict-like values() that returns a list of values of cookies from the
+        jar.
+
+        .. seealso:: keys() and items().
+        """
+        return list(self.itervalues())
+
+    def iteritems(self):
+        """Dict-like iteritems() that returns an iterator of name-value tuples
+        from the jar.
+
+        .. seealso:: iterkeys() and itervalues().
+        """
+        for cookie in iter(self):
+            yield cookie.name, cookie.value
+
+    def items(self):
+        """Dict-like items() that returns a list of name-value tuples from the
+        jar. Allows client-code to call ``dict(RequestsCookieJar)`` and get a
+        vanilla python dict of key value pairs.
+
+        .. seealso:: keys() and values().
+        """
+        return list(self.iteritems())
+
+    def list_domains(self):
+        """Utility method to list all the domains in the jar."""
+        domains = []
+        for cookie in iter(self):
+            if cookie.domain not in domains:
+                domains.append(cookie.domain)
+        return domains
+
+    def list_paths(self):
+        """Utility method to list all the paths in the jar."""
+        paths = []
+        for cookie in iter(self):
+            if cookie.path not in paths:
+                paths.append(cookie.path)
+        return paths
+
+    def multiple_domains(self):
+        """Returns True if there are multiple domains in the jar.
+        Returns False otherwise.
+
+        :rtype: bool
+        """
+        domains = []
+        for cookie in iter(self):
+            if cookie.domain is not None and cookie.domain in domains:
+                return True
+            domains.append(cookie.domain)
+        return False  # there is only one domain in jar
+
+    def get_dict(self, domain=None, path=None):
+        """Takes as an argument an optional domain and path and returns a plain
+        old Python dict of name-value pairs of cookies that meet the
+        requirements.
+
+        :rtype: dict
+        """
+        dictionary = {}
+        for cookie in iter(self):
+            if (
+                (domain is None or cookie.domain == domain) and
+                (path is None or cookie.path == path)
+            ):
+                dictionary[cookie.name] = cookie.value
+        return dictionary
+
+    def __contains__(self, name):
+        try:
+            return super(RequestsCookieJar, self).__contains__(name)
+        except CookieConflictError:
+            return True
+
+    def __getitem__(self, name):
+        """Dict-like __getitem__() for compatibility with client code. Throws
+        exception if there are more than one cookie with name. In that case,
+        use the more explicit get() method instead.
+
+        .. warning:: operation is O(n), not O(1).
+        """
+        return self._find_no_duplicates(name)
+
+    def __setitem__(self, name, value):
+        """Dict-like __setitem__ for compatibility with client code. Throws
+        exception if there is already a cookie of that name in the jar. In that
+        case, use the more explicit set() method instead.
+        """
+        self.set(name, value)
+
+    def __delitem__(self, name):
+        """Deletes a cookie given a name. Wraps ``cookielib.CookieJar``'s
+        ``remove_cookie_by_name()``.
+        """
+        remove_cookie_by_name(self, name)
+
+    def set_cookie(self, cookie, *args, **kwargs):
+        if hasattr(cookie.value, 'startswith') and cookie.value.startswith('"') and cookie.value.endswith('"'):
+            cookie.value = cookie.value.replace('\\"', '')
+        return super(RequestsCookieJar, self).set_cookie(cookie, *args, **kwargs)
+
+    def update(self, other):
+        """Updates this jar with cookies from another CookieJar or dict-like"""
+        if isinstance(other, cookielib.CookieJar):
+            for cookie in other:
+                self.set_cookie(copy.copy(cookie))
+        else:
+            super(RequestsCookieJar, self).update(other)
+
+    def _find(self, name, domain=None, path=None):
+        """Requests uses this method internally to get cookie values.
+
+        If there are conflicting cookies, _find arbitrarily chooses one.
+        See _find_no_duplicates if you want an exception thrown if there are
+        conflicting cookies.
+
+        :param name: a string containing name of cookie
+        :param domain: (optional) string containing domain of cookie
+        :param path: (optional) string containing path of cookie
+        :return: cookie.value
+        """
+        for cookie in iter(self):
+            if cookie.name == name:
+                if domain is None or cookie.domain == domain:
+                    if path is None or cookie.path == path:
+                        return cookie.value
+
+        raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path))
+
+    def _find_no_duplicates(self, name, domain=None, path=None):
+        """Both ``__get_item__`` and ``get`` call this function: it's never
+        used elsewhere in Requests.
+
+        :param name: a string containing name of cookie
+        :param domain: (optional) string containing domain of cookie
+        :param path: (optional) string containing path of cookie
+        :raises KeyError: if cookie is not found
+        :raises CookieConflictError: if there are multiple cookies
+            that match name and optionally domain and path
+        :return: cookie.value
+        """
+        toReturn = None
+        for cookie in iter(self):
+            if cookie.name == name:
+                if domain is None or cookie.domain == domain:
+                    if path is None or cookie.path == path:
+                        if toReturn is not None:  # if there are multiple cookies that meet passed in criteria
+                            raise CookieConflictError('There are multiple cookies with name, %r' % (name))
+                        toReturn = cookie.value  # we will eventually return this as long as no cookie conflict
+
+        if toReturn:
+            return toReturn
+        raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path))
+
+    def __getstate__(self):
+        """Unlike a normal CookieJar, this class is pickleable."""
+        state = self.__dict__.copy()
+        # remove the unpickleable RLock object
+        state.pop('_cookies_lock')
+        return state
+
+    def __setstate__(self, state):
+        """Unlike a normal CookieJar, this class is pickleable."""
+        self.__dict__.update(state)
+        if '_cookies_lock' not in self.__dict__:
+            self._cookies_lock = threading.RLock()
+
+    def copy(self):
+        """Return a copy of this RequestsCookieJar."""
+        new_cj = RequestsCookieJar()
+        new_cj.set_policy(self.get_policy())
+        new_cj.update(self)
+        return new_cj
+
+    def get_policy(self):
+        """Return the CookiePolicy instance used."""
+        return self._policy
+
+
+def _copy_cookie_jar(jar):
+    if jar is None:
+        return None
+
+    if hasattr(jar, 'copy'):
+        # We're dealing with an instance of RequestsCookieJar
+        return jar.copy()
+    # We're dealing with a generic CookieJar instance
+    new_jar = copy.copy(jar)
+    new_jar.clear()
+    for cookie in jar:
+        new_jar.set_cookie(copy.copy(cookie))
+    return new_jar
+
+
+def create_cookie(name, value, **kwargs):
+    """Make a cookie from underspecified parameters.
+
+    By default, the pair of `name` and `value` will be set for the domain ''
+    and sent on every request (this is sometimes called a "supercookie").
+    """
+    result = {
+        'version': 0,
+        'name': name,
+        'value': value,
+        'port': None,
+        'domain': '',
+        'path': '/',
+        'secure': False,
+        'expires': None,
+        'discard': True,
+        'comment': None,
+        'comment_url': None,
+        'rest': {'HttpOnly': None},
+        'rfc2109': False,
+    }
+
+    badargs = set(kwargs) - set(result)
+    if badargs:
+        err = 'create_cookie() got unexpected keyword arguments: %s'
+        raise TypeError(err % list(badargs))
+
+    result.update(kwargs)
+    result['port_specified'] = bool(result['port'])
+    result['domain_specified'] = bool(result['domain'])
+    result['domain_initial_dot'] = result['domain'].startswith('.')
+    result['path_specified'] = bool(result['path'])
+
+    return cookielib.Cookie(**result)
+
+
+def morsel_to_cookie(morsel):
+    """Convert a Morsel object into a Cookie containing the one k/v pair."""
+
+    expires = None
+    if morsel['max-age']:
+        try:
+            expires = int(time.time() + int(morsel['max-age']))
+        except ValueError:
+            raise TypeError('max-age: %s must be integer' % morsel['max-age'])
+    elif morsel['expires']:
+        time_template = '%a, %d-%b-%Y %H:%M:%S GMT'
+        expires = calendar.timegm(
+            time.strptime(morsel['expires'], time_template)
+        )
+    return create_cookie(
+        comment=morsel['comment'],
+        comment_url=bool(morsel['comment']),
+        discard=False,
+        domain=morsel['domain'],
+        expires=expires,
+        name=morsel.key,
+        path=morsel['path'],
+        port=None,
+        rest={'HttpOnly': morsel['httponly']},
+        rfc2109=False,
+        secure=bool(morsel['secure']),
+        value=morsel.value,
+        version=morsel['version'] or 0,
+    )
+
+
+def cookiejar_from_dict(cookie_dict, cookiejar=None, overwrite=True):
+    """Returns a CookieJar from a key/value dictionary.
+
+    :param cookie_dict: Dict of key/values to insert into CookieJar.
+    :param cookiejar: (optional) A cookiejar to add the cookies to.
+    :param overwrite: (optional) If False, will not replace cookies
+        already in the jar with new ones.
+    :rtype: CookieJar
+    """
+    if cookiejar is None:
+        cookiejar = RequestsCookieJar()
+
+    if cookie_dict is not None:
+        names_from_jar = [cookie.name for cookie in cookiejar]
+        for name in cookie_dict:
+            if overwrite or (name not in names_from_jar):
+                cookiejar.set_cookie(create_cookie(name, cookie_dict[name]))
+
+    return cookiejar
+
+
+def merge_cookies(cookiejar, cookies):
+    """Add cookies to cookiejar and returns a merged CookieJar.
+
+    :param cookiejar: CookieJar object to add the cookies to.
+    :param cookies: Dictionary or CookieJar object to be added.
+    :rtype: CookieJar
+    """
+    if not isinstance(cookiejar, cookielib.CookieJar):
+        raise ValueError('You can only merge into CookieJar')
+
+    if isinstance(cookies, dict):
+        cookiejar = cookiejar_from_dict(
+            cookies, cookiejar=cookiejar, overwrite=False)
+    elif isinstance(cookies, cookielib.CookieJar):
+        try:
+            cookiejar.update(cookies)
+        except AttributeError:
+            for cookie_in_jar in cookies:
+                cookiejar.set_cookie(cookie_in_jar)
+
+    return cookiejar
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/exceptions.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/exceptions.py
new file mode 100644
index 0000000000000000000000000000000000000000..83b9232e4cbb5f4ea5421358e752853ed6dbfee3
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/exceptions.py
@@ -0,0 +1,133 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.exceptions
+~~~~~~~~~~~~~~~~~~~
+
+This module contains the set of Requests' exceptions.
+"""
+from pip._vendor.urllib3.exceptions import HTTPError as BaseHTTPError
+
+from .compat import JSONDecodeError as CompatJSONDecodeError
+
+
+class RequestException(IOError):
+    """There was an ambiguous exception that occurred while handling your
+    request.
+    """
+
+    def __init__(self, *args, **kwargs):
+        """Initialize RequestException with `request` and `response` objects."""
+        response = kwargs.pop('response', None)
+        self.response = response
+        self.request = kwargs.pop('request', None)
+        if (response is not None and not self.request and
+                hasattr(response, 'request')):
+            self.request = self.response.request
+        super(RequestException, self).__init__(*args, **kwargs)
+
+
+class InvalidJSONError(RequestException):
+    """A JSON error occurred."""
+
+
+class JSONDecodeError(InvalidJSONError, CompatJSONDecodeError):
+    """Couldn't decode the text into json"""
+
+
+class HTTPError(RequestException):
+    """An HTTP error occurred."""
+
+
+class ConnectionError(RequestException):
+    """A Connection error occurred."""
+
+
+class ProxyError(ConnectionError):
+    """A proxy error occurred."""
+
+
+class SSLError(ConnectionError):
+    """An SSL error occurred."""
+
+
+class Timeout(RequestException):
+    """The request timed out.
+
+    Catching this error will catch both
+    :exc:`~requests.exceptions.ConnectTimeout` and
+    :exc:`~requests.exceptions.ReadTimeout` errors.
+    """
+
+
+class ConnectTimeout(ConnectionError, Timeout):
+    """The request timed out while trying to connect to the remote server.
+
+    Requests that produced this error are safe to retry.
+    """
+
+
+class ReadTimeout(Timeout):
+    """The server did not send any data in the allotted amount of time."""
+
+
+class URLRequired(RequestException):
+    """A valid URL is required to make a request."""
+
+
+class TooManyRedirects(RequestException):
+    """Too many redirects."""
+
+
+class MissingSchema(RequestException, ValueError):
+    """The URL scheme (e.g. http or https) is missing."""
+
+
+class InvalidSchema(RequestException, ValueError):
+    """The URL scheme provided is either invalid or unsupported."""
+
+
+class InvalidURL(RequestException, ValueError):
+    """The URL provided was somehow invalid."""
+
+
+class InvalidHeader(RequestException, ValueError):
+    """The header value provided was somehow invalid."""
+
+
+class InvalidProxyURL(InvalidURL):
+    """The proxy URL provided is invalid."""
+
+
+class ChunkedEncodingError(RequestException):
+    """The server declared chunked encoding but sent an invalid chunk."""
+
+
+class ContentDecodingError(RequestException, BaseHTTPError):
+    """Failed to decode response content."""
+
+
+class StreamConsumedError(RequestException, TypeError):
+    """The content for this response was already consumed."""
+
+
+class RetryError(RequestException):
+    """Custom retries logic failed"""
+
+
+class UnrewindableBodyError(RequestException):
+    """Requests encountered an error when trying to rewind a body."""
+
+# Warnings
+
+
+class RequestsWarning(Warning):
+    """Base warning for Requests."""
+
+
+class FileModeWarning(RequestsWarning, DeprecationWarning):
+    """A file was opened in text mode, but Requests determined its binary length."""
+
+
+class RequestsDependencyWarning(RequestsWarning):
+    """An imported dependency doesn't match the expected version range."""
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/help.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/help.py
new file mode 100644
index 0000000000000000000000000000000000000000..745f0d7b346a1aac57197ab99d3d7d8b207b890a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/help.py
@@ -0,0 +1,132 @@
+"""Module containing bug report helper(s)."""
+from __future__ import print_function
+
+import json
+import platform
+import sys
+import ssl
+
+from pip._vendor import idna
+from pip._vendor import urllib3
+
+from . import __version__ as requests_version
+
+charset_normalizer = None
+
+try:
+    from pip._vendor import chardet
+except ImportError:
+    chardet = None
+
+try:
+    from pip._vendor.urllib3.contrib import pyopenssl
+except ImportError:
+    pyopenssl = None
+    OpenSSL = None
+    cryptography = None
+else:
+    import OpenSSL
+    import cryptography
+
+
+def _implementation():
+    """Return a dict with the Python implementation and version.
+
+    Provide both the name and the version of the Python implementation
+    currently running. For example, on CPython 2.7.5 it will return
+    {'name': 'CPython', 'version': '2.7.5'}.
+
+    This function works best on CPython and PyPy: in particular, it probably
+    doesn't work for Jython or IronPython. Future investigation should be done
+    to work out the correct shape of the code for those platforms.
+    """
+    implementation = platform.python_implementation()
+
+    if implementation == 'CPython':
+        implementation_version = platform.python_version()
+    elif implementation == 'PyPy':
+        implementation_version = '%s.%s.%s' % (sys.pypy_version_info.major,
+                                               sys.pypy_version_info.minor,
+                                               sys.pypy_version_info.micro)
+        if sys.pypy_version_info.releaselevel != 'final':
+            implementation_version = ''.join([
+                implementation_version, sys.pypy_version_info.releaselevel
+            ])
+    elif implementation == 'Jython':
+        implementation_version = platform.python_version()  # Complete Guess
+    elif implementation == 'IronPython':
+        implementation_version = platform.python_version()  # Complete Guess
+    else:
+        implementation_version = 'Unknown'
+
+    return {'name': implementation, 'version': implementation_version}
+
+
+def info():
+    """Generate information for a bug report."""
+    try:
+        platform_info = {
+            'system': platform.system(),
+            'release': platform.release(),
+        }
+    except IOError:
+        platform_info = {
+            'system': 'Unknown',
+            'release': 'Unknown',
+        }
+
+    implementation_info = _implementation()
+    urllib3_info = {'version': urllib3.__version__}
+    charset_normalizer_info = {'version': None}
+    chardet_info = {'version': None}
+    if charset_normalizer:
+        charset_normalizer_info = {'version': charset_normalizer.__version__}
+    if chardet:
+        chardet_info = {'version': chardet.__version__}
+
+    pyopenssl_info = {
+        'version': None,
+        'openssl_version': '',
+    }
+    if OpenSSL:
+        pyopenssl_info = {
+            'version': OpenSSL.__version__,
+            'openssl_version': '%x' % OpenSSL.SSL.OPENSSL_VERSION_NUMBER,
+        }
+    cryptography_info = {
+        'version': getattr(cryptography, '__version__', ''),
+    }
+    idna_info = {
+        'version': getattr(idna, '__version__', ''),
+    }
+
+    system_ssl = ssl.OPENSSL_VERSION_NUMBER
+    system_ssl_info = {
+        'version': '%x' % system_ssl if system_ssl is not None else ''
+    }
+
+    return {
+        'platform': platform_info,
+        'implementation': implementation_info,
+        'system_ssl': system_ssl_info,
+        'using_pyopenssl': pyopenssl is not None,
+        'using_charset_normalizer': chardet is None,
+        'pyOpenSSL': pyopenssl_info,
+        'urllib3': urllib3_info,
+        'chardet': chardet_info,
+        'charset_normalizer': charset_normalizer_info,
+        'cryptography': cryptography_info,
+        'idna': idna_info,
+        'requests': {
+            'version': requests_version,
+        },
+    }
+
+
+def main():
+    """Pretty-print the bug information as JSON."""
+    print(json.dumps(info(), sort_keys=True, indent=2))
+
+
+if __name__ == '__main__':
+    main()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/hooks.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/hooks.py
new file mode 100644
index 0000000000000000000000000000000000000000..7a51f212c8a08fc6a04e509e89d8dcc85185df77
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/hooks.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.hooks
+~~~~~~~~~~~~~~
+
+This module provides the capabilities for the Requests hooks system.
+
+Available hooks:
+
+``response``:
+    The response generated from a Request.
+"""
+HOOKS = ['response']
+
+
+def default_hooks():
+    return {event: [] for event in HOOKS}
+
+# TODO: response is the only one
+
+
+def dispatch_hook(key, hooks, hook_data, **kwargs):
+    """Dispatches a hook dictionary on a given piece of data."""
+    hooks = hooks or {}
+    hooks = hooks.get(key)
+    if hooks:
+        if hasattr(hooks, '__call__'):
+            hooks = [hooks]
+        for hook in hooks:
+            _hook_data = hook(hook_data, **kwargs)
+            if _hook_data is not None:
+                hook_data = _hook_data
+    return hook_data
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/models.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/models.py
new file mode 100644
index 0000000000000000000000000000000000000000..f538c1054d5bba01be1825feada16e2fc2ea7167
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/models.py
@@ -0,0 +1,973 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.models
+~~~~~~~~~~~~~~~
+
+This module contains the primary objects that power Requests.
+"""
+
+import datetime
+import sys
+
+# Import encoding now, to avoid implicit import later.
+# Implicit import within threads may cause LookupError when standard library is in a ZIP,
+# such as in Embedded Python. See https://github.com/psf/requests/issues/3578.
+import encodings.idna
+
+from pip._vendor.urllib3.fields import RequestField
+from pip._vendor.urllib3.filepost import encode_multipart_formdata
+from pip._vendor.urllib3.util import parse_url
+from pip._vendor.urllib3.exceptions import (
+    DecodeError, ReadTimeoutError, ProtocolError, LocationParseError)
+
+from io import UnsupportedOperation
+from .hooks import default_hooks
+from .structures import CaseInsensitiveDict
+
+from .auth import HTTPBasicAuth
+from .cookies import cookiejar_from_dict, get_cookie_header, _copy_cookie_jar
+from .exceptions import (
+    HTTPError, MissingSchema, InvalidURL, ChunkedEncodingError,
+    ContentDecodingError, ConnectionError, StreamConsumedError,
+    InvalidJSONError)
+from .exceptions import JSONDecodeError as RequestsJSONDecodeError
+from ._internal_utils import to_native_string, unicode_is_ascii
+from .utils import (
+    guess_filename, get_auth_from_url, requote_uri,
+    stream_decode_response_unicode, to_key_val_list, parse_header_links,
+    iter_slices, guess_json_utf, super_len, check_header_validity)
+from .compat import (
+    Callable, Mapping,
+    cookielib, urlunparse, urlsplit, urlencode, str, bytes,
+    is_py2, chardet, builtin_str, basestring, JSONDecodeError)
+from .compat import json as complexjson
+from .status_codes import codes
+
+#: The set of HTTP status codes that indicate an automatically
+#: processable redirect.
+REDIRECT_STATI = (
+    codes.moved,               # 301
+    codes.found,               # 302
+    codes.other,               # 303
+    codes.temporary_redirect,  # 307
+    codes.permanent_redirect,  # 308
+)
+
+DEFAULT_REDIRECT_LIMIT = 30
+CONTENT_CHUNK_SIZE = 10 * 1024
+ITER_CHUNK_SIZE = 512
+
+
+class RequestEncodingMixin(object):
+    @property
+    def path_url(self):
+        """Build the path URL to use."""
+
+        url = []
+
+        p = urlsplit(self.url)
+
+        path = p.path
+        if not path:
+            path = '/'
+
+        url.append(path)
+
+        query = p.query
+        if query:
+            url.append('?')
+            url.append(query)
+
+        return ''.join(url)
+
+    @staticmethod
+    def _encode_params(data):
+        """Encode parameters in a piece of data.
+
+        Will successfully encode parameters when passed as a dict or a list of
+        2-tuples. Order is retained if data is a list of 2-tuples but arbitrary
+        if parameters are supplied as a dict.
+        """
+
+        if isinstance(data, (str, bytes)):
+            return data
+        elif hasattr(data, 'read'):
+            return data
+        elif hasattr(data, '__iter__'):
+            result = []
+            for k, vs in to_key_val_list(data):
+                if isinstance(vs, basestring) or not hasattr(vs, '__iter__'):
+                    vs = [vs]
+                for v in vs:
+                    if v is not None:
+                        result.append(
+                            (k.encode('utf-8') if isinstance(k, str) else k,
+                             v.encode('utf-8') if isinstance(v, str) else v))
+            return urlencode(result, doseq=True)
+        else:
+            return data
+
+    @staticmethod
+    def _encode_files(files, data):
+        """Build the body for a multipart/form-data request.
+
+        Will successfully encode files when passed as a dict or a list of
+        tuples. Order is retained if data is a list of tuples but arbitrary
+        if parameters are supplied as a dict.
+        The tuples may be 2-tuples (filename, fileobj), 3-tuples (filename, fileobj, contentype)
+        or 4-tuples (filename, fileobj, contentype, custom_headers).
+        """
+        if (not files):
+            raise ValueError("Files must be provided.")
+        elif isinstance(data, basestring):
+            raise ValueError("Data must not be a string.")
+
+        new_fields = []
+        fields = to_key_val_list(data or {})
+        files = to_key_val_list(files or {})
+
+        for field, val in fields:
+            if isinstance(val, basestring) or not hasattr(val, '__iter__'):
+                val = [val]
+            for v in val:
+                if v is not None:
+                    # Don't call str() on bytestrings: in Py3 it all goes wrong.
+                    if not isinstance(v, bytes):
+                        v = str(v)
+
+                    new_fields.append(
+                        (field.decode('utf-8') if isinstance(field, bytes) else field,
+                         v.encode('utf-8') if isinstance(v, str) else v))
+
+        for (k, v) in files:
+            # support for explicit filename
+            ft = None
+            fh = None
+            if isinstance(v, (tuple, list)):
+                if len(v) == 2:
+                    fn, fp = v
+                elif len(v) == 3:
+                    fn, fp, ft = v
+                else:
+                    fn, fp, ft, fh = v
+            else:
+                fn = guess_filename(v) or k
+                fp = v
+
+            if isinstance(fp, (str, bytes, bytearray)):
+                fdata = fp
+            elif hasattr(fp, 'read'):
+                fdata = fp.read()
+            elif fp is None:
+                continue
+            else:
+                fdata = fp
+
+            rf = RequestField(name=k, data=fdata, filename=fn, headers=fh)
+            rf.make_multipart(content_type=ft)
+            new_fields.append(rf)
+
+        body, content_type = encode_multipart_formdata(new_fields)
+
+        return body, content_type
+
+
+class RequestHooksMixin(object):
+    def register_hook(self, event, hook):
+        """Properly register a hook."""
+
+        if event not in self.hooks:
+            raise ValueError('Unsupported event specified, with event name "%s"' % (event))
+
+        if isinstance(hook, Callable):
+            self.hooks[event].append(hook)
+        elif hasattr(hook, '__iter__'):
+            self.hooks[event].extend(h for h in hook if isinstance(h, Callable))
+
+    def deregister_hook(self, event, hook):
+        """Deregister a previously registered hook.
+        Returns True if the hook existed, False if not.
+        """
+
+        try:
+            self.hooks[event].remove(hook)
+            return True
+        except ValueError:
+            return False
+
+
+class Request(RequestHooksMixin):
+    """A user-created :class:`Request <Request>` object.
+
+    Used to prepare a :class:`PreparedRequest <PreparedRequest>`, which is sent to the server.
+
+    :param method: HTTP method to use.
+    :param url: URL to send.
+    :param headers: dictionary of headers to send.
+    :param files: dictionary of {filename: fileobject} files to multipart upload.
+    :param data: the body to attach to the request. If a dictionary or
+        list of tuples ``[(key, value)]`` is provided, form-encoding will
+        take place.
+    :param json: json for the body to attach to the request (if files or data is not specified).
+    :param params: URL parameters to append to the URL. If a dictionary or
+        list of tuples ``[(key, value)]`` is provided, form-encoding will
+        take place.
+    :param auth: Auth handler or (user, pass) tuple.
+    :param cookies: dictionary or CookieJar of cookies to attach to this request.
+    :param hooks: dictionary of callback hooks, for internal usage.
+
+    Usage::
+
+      >>> import requests
+      >>> req = requests.Request('GET', 'https://httpbin.org/get')
+      >>> req.prepare()
+      <PreparedRequest [GET]>
+    """
+
+    def __init__(self,
+            method=None, url=None, headers=None, files=None, data=None,
+            params=None, auth=None, cookies=None, hooks=None, json=None):
+
+        # Default empty dicts for dict params.
+        data = [] if data is None else data
+        files = [] if files is None else files
+        headers = {} if headers is None else headers
+        params = {} if params is None else params
+        hooks = {} if hooks is None else hooks
+
+        self.hooks = default_hooks()
+        for (k, v) in list(hooks.items()):
+            self.register_hook(event=k, hook=v)
+
+        self.method = method
+        self.url = url
+        self.headers = headers
+        self.files = files
+        self.data = data
+        self.json = json
+        self.params = params
+        self.auth = auth
+        self.cookies = cookies
+
+    def __repr__(self):
+        return '<Request [%s]>' % (self.method)
+
+    def prepare(self):
+        """Constructs a :class:`PreparedRequest <PreparedRequest>` for transmission and returns it."""
+        p = PreparedRequest()
+        p.prepare(
+            method=self.method,
+            url=self.url,
+            headers=self.headers,
+            files=self.files,
+            data=self.data,
+            json=self.json,
+            params=self.params,
+            auth=self.auth,
+            cookies=self.cookies,
+            hooks=self.hooks,
+        )
+        return p
+
+
+class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
+    """The fully mutable :class:`PreparedRequest <PreparedRequest>` object,
+    containing the exact bytes that will be sent to the server.
+
+    Instances are generated from a :class:`Request <Request>` object, and
+    should not be instantiated manually; doing so may produce undesirable
+    effects.
+
+    Usage::
+
+      >>> import requests
+      >>> req = requests.Request('GET', 'https://httpbin.org/get')
+      >>> r = req.prepare()
+      >>> r
+      <PreparedRequest [GET]>
+
+      >>> s = requests.Session()
+      >>> s.send(r)
+      <Response [200]>
+    """
+
+    def __init__(self):
+        #: HTTP verb to send to the server.
+        self.method = None
+        #: HTTP URL to send the request to.
+        self.url = None
+        #: dictionary of HTTP headers.
+        self.headers = None
+        # The `CookieJar` used to create the Cookie header will be stored here
+        # after prepare_cookies is called
+        self._cookies = None
+        #: request body to send to the server.
+        self.body = None
+        #: dictionary of callback hooks, for internal usage.
+        self.hooks = default_hooks()
+        #: integer denoting starting position of a readable file-like body.
+        self._body_position = None
+
+    def prepare(self,
+            method=None, url=None, headers=None, files=None, data=None,
+            params=None, auth=None, cookies=None, hooks=None, json=None):
+        """Prepares the entire request with the given parameters."""
+
+        self.prepare_method(method)
+        self.prepare_url(url, params)
+        self.prepare_headers(headers)
+        self.prepare_cookies(cookies)
+        self.prepare_body(data, files, json)
+        self.prepare_auth(auth, url)
+
+        # Note that prepare_auth must be last to enable authentication schemes
+        # such as OAuth to work on a fully prepared request.
+
+        # This MUST go after prepare_auth. Authenticators could add a hook
+        self.prepare_hooks(hooks)
+
+    def __repr__(self):
+        return '<PreparedRequest [%s]>' % (self.method)
+
+    def copy(self):
+        p = PreparedRequest()
+        p.method = self.method
+        p.url = self.url
+        p.headers = self.headers.copy() if self.headers is not None else None
+        p._cookies = _copy_cookie_jar(self._cookies)
+        p.body = self.body
+        p.hooks = self.hooks
+        p._body_position = self._body_position
+        return p
+
+    def prepare_method(self, method):
+        """Prepares the given HTTP method."""
+        self.method = method
+        if self.method is not None:
+            self.method = to_native_string(self.method.upper())
+
+    @staticmethod
+    def _get_idna_encoded_host(host):
+        from pip._vendor import idna
+
+        try:
+            host = idna.encode(host, uts46=True).decode('utf-8')
+        except idna.IDNAError:
+            raise UnicodeError
+        return host
+
+    def prepare_url(self, url, params):
+        """Prepares the given HTTP URL."""
+        #: Accept objects that have string representations.
+        #: We're unable to blindly call unicode/str functions
+        #: as this will include the bytestring indicator (b'')
+        #: on python 3.x.
+        #: https://github.com/psf/requests/pull/2238
+        if isinstance(url, bytes):
+            url = url.decode('utf8')
+        else:
+            url = unicode(url) if is_py2 else str(url)
+
+        # Remove leading whitespaces from url
+        url = url.lstrip()
+
+        # Don't do any URL preparation for non-HTTP schemes like `mailto`,
+        # `data` etc to work around exceptions from `url_parse`, which
+        # handles RFC 3986 only.
+        if ':' in url and not url.lower().startswith('http'):
+            self.url = url
+            return
+
+        # Support for unicode domain names and paths.
+        try:
+            scheme, auth, host, port, path, query, fragment = parse_url(url)
+        except LocationParseError as e:
+            raise InvalidURL(*e.args)
+
+        if not scheme:
+            error = ("Invalid URL {0!r}: No scheme supplied. Perhaps you meant http://{0}?")
+            error = error.format(to_native_string(url, 'utf8'))
+
+            raise MissingSchema(error)
+
+        if not host:
+            raise InvalidURL("Invalid URL %r: No host supplied" % url)
+
+        # In general, we want to try IDNA encoding the hostname if the string contains
+        # non-ASCII characters. This allows users to automatically get the correct IDNA
+        # behaviour. For strings containing only ASCII characters, we need to also verify
+        # it doesn't start with a wildcard (*), before allowing the unencoded hostname.
+        if not unicode_is_ascii(host):
+            try:
+                host = self._get_idna_encoded_host(host)
+            except UnicodeError:
+                raise InvalidURL('URL has an invalid label.')
+        elif host.startswith((u'*', u'.')):
+            raise InvalidURL('URL has an invalid label.')
+
+        # Carefully reconstruct the network location
+        netloc = auth or ''
+        if netloc:
+            netloc += '@'
+        netloc += host
+        if port:
+            netloc += ':' + str(port)
+
+        # Bare domains aren't valid URLs.
+        if not path:
+            path = '/'
+
+        if is_py2:
+            if isinstance(scheme, str):
+                scheme = scheme.encode('utf-8')
+            if isinstance(netloc, str):
+                netloc = netloc.encode('utf-8')
+            if isinstance(path, str):
+                path = path.encode('utf-8')
+            if isinstance(query, str):
+                query = query.encode('utf-8')
+            if isinstance(fragment, str):
+                fragment = fragment.encode('utf-8')
+
+        if isinstance(params, (str, bytes)):
+            params = to_native_string(params)
+
+        enc_params = self._encode_params(params)
+        if enc_params:
+            if query:
+                query = '%s&%s' % (query, enc_params)
+            else:
+                query = enc_params
+
+        url = requote_uri(urlunparse([scheme, netloc, path, None, query, fragment]))
+        self.url = url
+
+    def prepare_headers(self, headers):
+        """Prepares the given HTTP headers."""
+
+        self.headers = CaseInsensitiveDict()
+        if headers:
+            for header in headers.items():
+                # Raise exception on invalid header value.
+                check_header_validity(header)
+                name, value = header
+                self.headers[to_native_string(name)] = value
+
+    def prepare_body(self, data, files, json=None):
+        """Prepares the given HTTP body data."""
+
+        # Check if file, fo, generator, iterator.
+        # If not, run through normal process.
+
+        # Nottin' on you.
+        body = None
+        content_type = None
+
+        if not data and json is not None:
+            # urllib3 requires a bytes-like body. Python 2's json.dumps
+            # provides this natively, but Python 3 gives a Unicode string.
+            content_type = 'application/json'
+
+            try:
+                body = complexjson.dumps(json, allow_nan=False)
+            except ValueError as ve:
+                raise InvalidJSONError(ve, request=self)
+
+            if not isinstance(body, bytes):
+                body = body.encode('utf-8')
+
+        is_stream = all([
+            hasattr(data, '__iter__'),
+            not isinstance(data, (basestring, list, tuple, Mapping))
+        ])
+
+        if is_stream:
+            try:
+                length = super_len(data)
+            except (TypeError, AttributeError, UnsupportedOperation):
+                length = None
+
+            body = data
+
+            if getattr(body, 'tell', None) is not None:
+                # Record the current file position before reading.
+                # This will allow us to rewind a file in the event
+                # of a redirect.
+                try:
+                    self._body_position = body.tell()
+                except (IOError, OSError):
+                    # This differentiates from None, allowing us to catch
+                    # a failed `tell()` later when trying to rewind the body
+                    self._body_position = object()
+
+            if files:
+                raise NotImplementedError('Streamed bodies and files are mutually exclusive.')
+
+            if length:
+                self.headers['Content-Length'] = builtin_str(length)
+            else:
+                self.headers['Transfer-Encoding'] = 'chunked'
+        else:
+            # Multi-part file uploads.
+            if files:
+                (body, content_type) = self._encode_files(files, data)
+            else:
+                if data:
+                    body = self._encode_params(data)
+                    if isinstance(data, basestring) or hasattr(data, 'read'):
+                        content_type = None
+                    else:
+                        content_type = 'application/x-www-form-urlencoded'
+
+            self.prepare_content_length(body)
+
+            # Add content-type if it wasn't explicitly provided.
+            if content_type and ('content-type' not in self.headers):
+                self.headers['Content-Type'] = content_type
+
+        self.body = body
+
+    def prepare_content_length(self, body):
+        """Prepare Content-Length header based on request method and body"""
+        if body is not None:
+            length = super_len(body)
+            if length:
+                # If length exists, set it. Otherwise, we fallback
+                # to Transfer-Encoding: chunked.
+                self.headers['Content-Length'] = builtin_str(length)
+        elif self.method not in ('GET', 'HEAD') and self.headers.get('Content-Length') is None:
+            # Set Content-Length to 0 for methods that can have a body
+            # but don't provide one. (i.e. not GET or HEAD)
+            self.headers['Content-Length'] = '0'
+
+    def prepare_auth(self, auth, url=''):
+        """Prepares the given HTTP auth data."""
+
+        # If no Auth is explicitly provided, extract it from the URL first.
+        if auth is None:
+            url_auth = get_auth_from_url(self.url)
+            auth = url_auth if any(url_auth) else None
+
+        if auth:
+            if isinstance(auth, tuple) and len(auth) == 2:
+                # special-case basic HTTP auth
+                auth = HTTPBasicAuth(*auth)
+
+            # Allow auth to make its changes.
+            r = auth(self)
+
+            # Update self to reflect the auth changes.
+            self.__dict__.update(r.__dict__)
+
+            # Recompute Content-Length
+            self.prepare_content_length(self.body)
+
+    def prepare_cookies(self, cookies):
+        """Prepares the given HTTP cookie data.
+
+        This function eventually generates a ``Cookie`` header from the
+        given cookies using cookielib. Due to cookielib's design, the header
+        will not be regenerated if it already exists, meaning this function
+        can only be called once for the life of the
+        :class:`PreparedRequest <PreparedRequest>` object. Any subsequent calls
+        to ``prepare_cookies`` will have no actual effect, unless the "Cookie"
+        header is removed beforehand.
+        """
+        if isinstance(cookies, cookielib.CookieJar):
+            self._cookies = cookies
+        else:
+            self._cookies = cookiejar_from_dict(cookies)
+
+        cookie_header = get_cookie_header(self._cookies, self)
+        if cookie_header is not None:
+            self.headers['Cookie'] = cookie_header
+
+    def prepare_hooks(self, hooks):
+        """Prepares the given hooks."""
+        # hooks can be passed as None to the prepare method and to this
+        # method. To prevent iterating over None, simply use an empty list
+        # if hooks is False-y
+        hooks = hooks or []
+        for event in hooks:
+            self.register_hook(event, hooks[event])
+
+
+class Response(object):
+    """The :class:`Response <Response>` object, which contains a
+    server's response to an HTTP request.
+    """
+
+    __attrs__ = [
+        '_content', 'status_code', 'headers', 'url', 'history',
+        'encoding', 'reason', 'cookies', 'elapsed', 'request'
+    ]
+
+    def __init__(self):
+        self._content = False
+        self._content_consumed = False
+        self._next = None
+
+        #: Integer Code of responded HTTP Status, e.g. 404 or 200.
+        self.status_code = None
+
+        #: Case-insensitive Dictionary of Response Headers.
+        #: For example, ``headers['content-encoding']`` will return the
+        #: value of a ``'Content-Encoding'`` response header.
+        self.headers = CaseInsensitiveDict()
+
+        #: File-like object representation of response (for advanced usage).
+        #: Use of ``raw`` requires that ``stream=True`` be set on the request.
+        #: This requirement does not apply for use internally to Requests.
+        self.raw = None
+
+        #: Final URL location of Response.
+        self.url = None
+
+        #: Encoding to decode with when accessing r.text.
+        self.encoding = None
+
+        #: A list of :class:`Response <Response>` objects from
+        #: the history of the Request. Any redirect responses will end
+        #: up here. The list is sorted from the oldest to the most recent request.
+        self.history = []
+
+        #: Textual reason of responded HTTP Status, e.g. "Not Found" or "OK".
+        self.reason = None
+
+        #: A CookieJar of Cookies the server sent back.
+        self.cookies = cookiejar_from_dict({})
+
+        #: The amount of time elapsed between sending the request
+        #: and the arrival of the response (as a timedelta).
+        #: This property specifically measures the time taken between sending
+        #: the first byte of the request and finishing parsing the headers. It
+        #: is therefore unaffected by consuming the response content or the
+        #: value of the ``stream`` keyword argument.
+        self.elapsed = datetime.timedelta(0)
+
+        #: The :class:`PreparedRequest <PreparedRequest>` object to which this
+        #: is a response.
+        self.request = None
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.close()
+
+    def __getstate__(self):
+        # Consume everything; accessing the content attribute makes
+        # sure the content has been fully read.
+        if not self._content_consumed:
+            self.content
+
+        return {attr: getattr(self, attr, None) for attr in self.__attrs__}
+
+    def __setstate__(self, state):
+        for name, value in state.items():
+            setattr(self, name, value)
+
+        # pickled objects do not have .raw
+        setattr(self, '_content_consumed', True)
+        setattr(self, 'raw', None)
+
+    def __repr__(self):
+        return '<Response [%s]>' % (self.status_code)
+
+    def __bool__(self):
+        """Returns True if :attr:`status_code` is less than 400.
+
+        This attribute checks if the status code of the response is between
+        400 and 600 to see if there was a client error or a server error. If
+        the status code, is between 200 and 400, this will return True. This
+        is **not** a check to see if the response code is ``200 OK``.
+        """
+        return self.ok
+
+    def __nonzero__(self):
+        """Returns True if :attr:`status_code` is less than 400.
+
+        This attribute checks if the status code of the response is between
+        400 and 600 to see if there was a client error or a server error. If
+        the status code, is between 200 and 400, this will return True. This
+        is **not** a check to see if the response code is ``200 OK``.
+        """
+        return self.ok
+
+    def __iter__(self):
+        """Allows you to use a response as an iterator."""
+        return self.iter_content(128)
+
+    @property
+    def ok(self):
+        """Returns True if :attr:`status_code` is less than 400, False if not.
+
+        This attribute checks if the status code of the response is between
+        400 and 600 to see if there was a client error or a server error. If
+        the status code is between 200 and 400, this will return True. This
+        is **not** a check to see if the response code is ``200 OK``.
+        """
+        try:
+            self.raise_for_status()
+        except HTTPError:
+            return False
+        return True
+
+    @property
+    def is_redirect(self):
+        """True if this Response is a well-formed HTTP redirect that could have
+        been processed automatically (by :meth:`Session.resolve_redirects`).
+        """
+        return ('location' in self.headers and self.status_code in REDIRECT_STATI)
+
+    @property
+    def is_permanent_redirect(self):
+        """True if this Response one of the permanent versions of redirect."""
+        return ('location' in self.headers and self.status_code in (codes.moved_permanently, codes.permanent_redirect))
+
+    @property
+    def next(self):
+        """Returns a PreparedRequest for the next request in a redirect chain, if there is one."""
+        return self._next
+
+    @property
+    def apparent_encoding(self):
+        """The apparent encoding, provided by the charset_normalizer or chardet libraries."""
+        return chardet.detect(self.content)['encoding']
+
+    def iter_content(self, chunk_size=1, decode_unicode=False):
+        """Iterates over the response data.  When stream=True is set on the
+        request, this avoids reading the content at once into memory for
+        large responses.  The chunk size is the number of bytes it should
+        read into memory.  This is not necessarily the length of each item
+        returned as decoding can take place.
+
+        chunk_size must be of type int or None. A value of None will
+        function differently depending on the value of `stream`.
+        stream=True will read data as it arrives in whatever size the
+        chunks are received. If stream=False, data is returned as
+        a single chunk.
+
+        If decode_unicode is True, content will be decoded using the best
+        available encoding based on the response.
+        """
+
+        def generate():
+            # Special case for urllib3.
+            if hasattr(self.raw, 'stream'):
+                try:
+                    for chunk in self.raw.stream(chunk_size, decode_content=True):
+                        yield chunk
+                except ProtocolError as e:
+                    raise ChunkedEncodingError(e)
+                except DecodeError as e:
+                    raise ContentDecodingError(e)
+                except ReadTimeoutError as e:
+                    raise ConnectionError(e)
+            else:
+                # Standard file-like object.
+                while True:
+                    chunk = self.raw.read(chunk_size)
+                    if not chunk:
+                        break
+                    yield chunk
+
+            self._content_consumed = True
+
+        if self._content_consumed and isinstance(self._content, bool):
+            raise StreamConsumedError()
+        elif chunk_size is not None and not isinstance(chunk_size, int):
+            raise TypeError("chunk_size must be an int, it is instead a %s." % type(chunk_size))
+        # simulate reading small chunks of the content
+        reused_chunks = iter_slices(self._content, chunk_size)
+
+        stream_chunks = generate()
+
+        chunks = reused_chunks if self._content_consumed else stream_chunks
+
+        if decode_unicode:
+            chunks = stream_decode_response_unicode(chunks, self)
+
+        return chunks
+
+    def iter_lines(self, chunk_size=ITER_CHUNK_SIZE, decode_unicode=False, delimiter=None):
+        """Iterates over the response data, one line at a time.  When
+        stream=True is set on the request, this avoids reading the
+        content at once into memory for large responses.
+
+        .. note:: This method is not reentrant safe.
+        """
+
+        pending = None
+
+        for chunk in self.iter_content(chunk_size=chunk_size, decode_unicode=decode_unicode):
+
+            if pending is not None:
+                chunk = pending + chunk
+
+            if delimiter:
+                lines = chunk.split(delimiter)
+            else:
+                lines = chunk.splitlines()
+
+            if lines and lines[-1] and chunk and lines[-1][-1] == chunk[-1]:
+                pending = lines.pop()
+            else:
+                pending = None
+
+            for line in lines:
+                yield line
+
+        if pending is not None:
+            yield pending
+
+    @property
+    def content(self):
+        """Content of the response, in bytes."""
+
+        if self._content is False:
+            # Read the contents.
+            if self._content_consumed:
+                raise RuntimeError(
+                    'The content for this response was already consumed')
+
+            if self.status_code == 0 or self.raw is None:
+                self._content = None
+            else:
+                self._content = b''.join(self.iter_content(CONTENT_CHUNK_SIZE)) or b''
+
+        self._content_consumed = True
+        # don't need to release the connection; that's been handled by urllib3
+        # since we exhausted the data.
+        return self._content
+
+    @property
+    def text(self):
+        """Content of the response, in unicode.
+
+        If Response.encoding is None, encoding will be guessed using
+        ``charset_normalizer`` or ``chardet``.
+
+        The encoding of the response content is determined based solely on HTTP
+        headers, following RFC 2616 to the letter. If you can take advantage of
+        non-HTTP knowledge to make a better guess at the encoding, you should
+        set ``r.encoding`` appropriately before accessing this property.
+        """
+
+        # Try charset from content-type
+        content = None
+        encoding = self.encoding
+
+        if not self.content:
+            return str('')
+
+        # Fallback to auto-detected encoding.
+        if self.encoding is None:
+            encoding = self.apparent_encoding
+
+        # Decode unicode from given encoding.
+        try:
+            content = str(self.content, encoding, errors='replace')
+        except (LookupError, TypeError):
+            # A LookupError is raised if the encoding was not found which could
+            # indicate a misspelling or similar mistake.
+            #
+            # A TypeError can be raised if encoding is None
+            #
+            # So we try blindly encoding.
+            content = str(self.content, errors='replace')
+
+        return content
+
+    def json(self, **kwargs):
+        r"""Returns the json-encoded content of a response, if any.
+
+        :param \*\*kwargs: Optional arguments that ``json.loads`` takes.
+        :raises requests.exceptions.JSONDecodeError: If the response body does not
+            contain valid json.
+        """
+
+        if not self.encoding and self.content and len(self.content) > 3:
+            # No encoding set. JSON RFC 4627 section 3 states we should expect
+            # UTF-8, -16 or -32. Detect which one to use; If the detection or
+            # decoding fails, fall back to `self.text` (using charset_normalizer to make
+            # a best guess).
+            encoding = guess_json_utf(self.content)
+            if encoding is not None:
+                try:
+                    return complexjson.loads(
+                        self.content.decode(encoding), **kwargs
+                    )
+                except UnicodeDecodeError:
+                    # Wrong UTF codec detected; usually because it's not UTF-8
+                    # but some other 8-bit codec.  This is an RFC violation,
+                    # and the server didn't bother to tell us what codec *was*
+                    # used.
+                    pass
+
+        try:
+            return complexjson.loads(self.text, **kwargs)
+        except JSONDecodeError as e:
+            # Catch JSON-related errors and raise as requests.JSONDecodeError
+            # This aliases json.JSONDecodeError and simplejson.JSONDecodeError
+            if is_py2: # e is a ValueError
+                raise RequestsJSONDecodeError(e.message)
+            else:
+                raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
+
+    @property
+    def links(self):
+        """Returns the parsed header links of the response, if any."""
+
+        header = self.headers.get('link')
+
+        # l = MultiDict()
+        l = {}
+
+        if header:
+            links = parse_header_links(header)
+
+            for link in links:
+                key = link.get('rel') or link.get('url')
+                l[key] = link
+
+        return l
+
+    def raise_for_status(self):
+        """Raises :class:`HTTPError`, if one occurred."""
+
+        http_error_msg = ''
+        if isinstance(self.reason, bytes):
+            # We attempt to decode utf-8 first because some servers
+            # choose to localize their reason strings. If the string
+            # isn't utf-8, we fall back to iso-8859-1 for all other
+            # encodings. (See PR #3538)
+            try:
+                reason = self.reason.decode('utf-8')
+            except UnicodeDecodeError:
+                reason = self.reason.decode('iso-8859-1')
+        else:
+            reason = self.reason
+
+        if 400 <= self.status_code < 500:
+            http_error_msg = u'%s Client Error: %s for url: %s' % (self.status_code, reason, self.url)
+
+        elif 500 <= self.status_code < 600:
+            http_error_msg = u'%s Server Error: %s for url: %s' % (self.status_code, reason, self.url)
+
+        if http_error_msg:
+            raise HTTPError(http_error_msg, response=self)
+
+    def close(self):
+        """Releases the connection back to the pool. Once this method has been
+        called the underlying ``raw`` object must not be accessed again.
+
+        *Note: Should not normally need to be called explicitly.*
+        """
+        if not self._content_consumed:
+            self.raw.close()
+
+        release_conn = getattr(self.raw, 'release_conn', None)
+        if release_conn is not None:
+            release_conn()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/packages.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/packages.py
new file mode 100644
index 0000000000000000000000000000000000000000..9582fa730f121634348a79c1a8b0cc2df99c616f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/packages.py
@@ -0,0 +1,16 @@
+import sys
+
+# This code exists for backwards compatibility reasons.
+# I don't like it either. Just look the other way. :)
+
+for package in ('urllib3', 'idna', 'chardet'):
+    vendored_package = "pip._vendor." + package
+    locals()[package] = __import__(vendored_package)
+    # This traversal is apparently necessary such that the identities are
+    # preserved (requests.packages.urllib3.* is urllib3.*)
+    for mod in list(sys.modules):
+        if mod == vendored_package or mod.startswith(vendored_package + '.'):
+            unprefixed_mod = mod[len("pip._vendor."):]
+            sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
+
+# Kinda cool, though, right?
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/sessions.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/sessions.py
new file mode 100644
index 0000000000000000000000000000000000000000..648cffaa31ee93d272749375e9c40d3a371d5f70
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/sessions.py
@@ -0,0 +1,773 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.sessions
+~~~~~~~~~~~~~~~~~
+
+This module provides a Session object to manage and persist settings across
+requests (cookies, auth, proxies).
+"""
+import os
+import sys
+import time
+from datetime import timedelta
+from collections import OrderedDict
+
+from .auth import _basic_auth_str
+from .compat import cookielib, is_py3, urljoin, urlparse, Mapping
+from .cookies import (
+    cookiejar_from_dict, extract_cookies_to_jar, RequestsCookieJar, merge_cookies)
+from .models import Request, PreparedRequest, DEFAULT_REDIRECT_LIMIT
+from .hooks import default_hooks, dispatch_hook
+from ._internal_utils import to_native_string
+from .utils import to_key_val_list, default_headers, DEFAULT_PORTS
+from .exceptions import (
+    TooManyRedirects, InvalidSchema, ChunkedEncodingError, ContentDecodingError)
+
+from .structures import CaseInsensitiveDict
+from .adapters import HTTPAdapter
+
+from .utils import (
+    requote_uri, get_environ_proxies, get_netrc_auth, should_bypass_proxies,
+    get_auth_from_url, rewind_body, resolve_proxies
+)
+
+from .status_codes import codes
+
+# formerly defined here, reexposed here for backward compatibility
+from .models import REDIRECT_STATI
+
+# Preferred clock, based on which one is more accurate on a given system.
+if sys.platform == 'win32':
+    try:  # Python 3.4+
+        preferred_clock = time.perf_counter
+    except AttributeError:  # Earlier than Python 3.
+        preferred_clock = time.clock
+else:
+    preferred_clock = time.time
+
+
+def merge_setting(request_setting, session_setting, dict_class=OrderedDict):
+    """Determines appropriate setting for a given request, taking into account
+    the explicit setting on that request, and the setting in the session. If a
+    setting is a dictionary, they will be merged together using `dict_class`
+    """
+
+    if session_setting is None:
+        return request_setting
+
+    if request_setting is None:
+        return session_setting
+
+    # Bypass if not a dictionary (e.g. verify)
+    if not (
+            isinstance(session_setting, Mapping) and
+            isinstance(request_setting, Mapping)
+    ):
+        return request_setting
+
+    merged_setting = dict_class(to_key_val_list(session_setting))
+    merged_setting.update(to_key_val_list(request_setting))
+
+    # Remove keys that are set to None. Extract keys first to avoid altering
+    # the dictionary during iteration.
+    none_keys = [k for (k, v) in merged_setting.items() if v is None]
+    for key in none_keys:
+        del merged_setting[key]
+
+    return merged_setting
+
+
+def merge_hooks(request_hooks, session_hooks, dict_class=OrderedDict):
+    """Properly merges both requests and session hooks.
+
+    This is necessary because when request_hooks == {'response': []}, the
+    merge breaks Session hooks entirely.
+    """
+    if session_hooks is None or session_hooks.get('response') == []:
+        return request_hooks
+
+    if request_hooks is None or request_hooks.get('response') == []:
+        return session_hooks
+
+    return merge_setting(request_hooks, session_hooks, dict_class)
+
+
+class SessionRedirectMixin(object):
+
+    def get_redirect_target(self, resp):
+        """Receives a Response. Returns a redirect URI or ``None``"""
+        # Due to the nature of how requests processes redirects this method will
+        # be called at least once upon the original response and at least twice
+        # on each subsequent redirect response (if any).
+        # If a custom mixin is used to handle this logic, it may be advantageous
+        # to cache the redirect location onto the response object as a private
+        # attribute.
+        if resp.is_redirect:
+            location = resp.headers['location']
+            # Currently the underlying http module on py3 decode headers
+            # in latin1, but empirical evidence suggests that latin1 is very
+            # rarely used with non-ASCII characters in HTTP headers.
+            # It is more likely to get UTF8 header rather than latin1.
+            # This causes incorrect handling of UTF8 encoded location headers.
+            # To solve this, we re-encode the location in latin1.
+            if is_py3:
+                location = location.encode('latin1')
+            return to_native_string(location, 'utf8')
+        return None
+
+    def should_strip_auth(self, old_url, new_url):
+        """Decide whether Authorization header should be removed when redirecting"""
+        old_parsed = urlparse(old_url)
+        new_parsed = urlparse(new_url)
+        if old_parsed.hostname != new_parsed.hostname:
+            return True
+        # Special case: allow http -> https redirect when using the standard
+        # ports. This isn't specified by RFC 7235, but is kept to avoid
+        # breaking backwards compatibility with older versions of requests
+        # that allowed any redirects on the same host.
+        if (old_parsed.scheme == 'http' and old_parsed.port in (80, None)
+                and new_parsed.scheme == 'https' and new_parsed.port in (443, None)):
+            return False
+
+        # Handle default port usage corresponding to scheme.
+        changed_port = old_parsed.port != new_parsed.port
+        changed_scheme = old_parsed.scheme != new_parsed.scheme
+        default_port = (DEFAULT_PORTS.get(old_parsed.scheme, None), None)
+        if (not changed_scheme and old_parsed.port in default_port
+                and new_parsed.port in default_port):
+            return False
+
+        # Standard case: root URI must match
+        return changed_port or changed_scheme
+
+    def resolve_redirects(self, resp, req, stream=False, timeout=None,
+                          verify=True, cert=None, proxies=None, yield_requests=False, **adapter_kwargs):
+        """Receives a Response. Returns a generator of Responses or Requests."""
+
+        hist = []  # keep track of history
+
+        url = self.get_redirect_target(resp)
+        previous_fragment = urlparse(req.url).fragment
+        while url:
+            prepared_request = req.copy()
+
+            # Update history and keep track of redirects.
+            # resp.history must ignore the original request in this loop
+            hist.append(resp)
+            resp.history = hist[1:]
+
+            try:
+                resp.content  # Consume socket so it can be released
+            except (ChunkedEncodingError, ContentDecodingError, RuntimeError):
+                resp.raw.read(decode_content=False)
+
+            if len(resp.history) >= self.max_redirects:
+                raise TooManyRedirects('Exceeded {} redirects.'.format(self.max_redirects), response=resp)
+
+            # Release the connection back into the pool.
+            resp.close()
+
+            # Handle redirection without scheme (see: RFC 1808 Section 4)
+            if url.startswith('//'):
+                parsed_rurl = urlparse(resp.url)
+                url = ':'.join([to_native_string(parsed_rurl.scheme), url])
+
+            # Normalize url case and attach previous fragment if needed (RFC 7231 7.1.2)
+            parsed = urlparse(url)
+            if parsed.fragment == '' and previous_fragment:
+                parsed = parsed._replace(fragment=previous_fragment)
+            elif parsed.fragment:
+                previous_fragment = parsed.fragment
+            url = parsed.geturl()
+
+            # Facilitate relative 'location' headers, as allowed by RFC 7231.
+            # (e.g. '/path/to/resource' instead of 'http://domain.tld/path/to/resource')
+            # Compliant with RFC3986, we percent encode the url.
+            if not parsed.netloc:
+                url = urljoin(resp.url, requote_uri(url))
+            else:
+                url = requote_uri(url)
+
+            prepared_request.url = to_native_string(url)
+
+            self.rebuild_method(prepared_request, resp)
+
+            # https://github.com/psf/requests/issues/1084
+            if resp.status_code not in (codes.temporary_redirect, codes.permanent_redirect):
+                # https://github.com/psf/requests/issues/3490
+                purged_headers = ('Content-Length', 'Content-Type', 'Transfer-Encoding')
+                for header in purged_headers:
+                    prepared_request.headers.pop(header, None)
+                prepared_request.body = None
+
+            headers = prepared_request.headers
+            headers.pop('Cookie', None)
+
+            # Extract any cookies sent on the response to the cookiejar
+            # in the new request. Because we've mutated our copied prepared
+            # request, use the old one that we haven't yet touched.
+            extract_cookies_to_jar(prepared_request._cookies, req, resp.raw)
+            merge_cookies(prepared_request._cookies, self.cookies)
+            prepared_request.prepare_cookies(prepared_request._cookies)
+
+            # Rebuild auth and proxy information.
+            proxies = self.rebuild_proxies(prepared_request, proxies)
+            self.rebuild_auth(prepared_request, resp)
+
+            # A failed tell() sets `_body_position` to `object()`. This non-None
+            # value ensures `rewindable` will be True, allowing us to raise an
+            # UnrewindableBodyError, instead of hanging the connection.
+            rewindable = (
+                prepared_request._body_position is not None and
+                ('Content-Length' in headers or 'Transfer-Encoding' in headers)
+            )
+
+            # Attempt to rewind consumed file-like object.
+            if rewindable:
+                rewind_body(prepared_request)
+
+            # Override the original request.
+            req = prepared_request
+
+            if yield_requests:
+                yield req
+            else:
+
+                resp = self.send(
+                    req,
+                    stream=stream,
+                    timeout=timeout,
+                    verify=verify,
+                    cert=cert,
+                    proxies=proxies,
+                    allow_redirects=False,
+                    **adapter_kwargs
+                )
+
+                extract_cookies_to_jar(self.cookies, prepared_request, resp.raw)
+
+                # extract redirect url, if any, for the next loop
+                url = self.get_redirect_target(resp)
+                yield resp
+
+    def rebuild_auth(self, prepared_request, response):
+        """When being redirected we may want to strip authentication from the
+        request to avoid leaking credentials. This method intelligently removes
+        and reapplies authentication where possible to avoid credential loss.
+        """
+        headers = prepared_request.headers
+        url = prepared_request.url
+
+        if 'Authorization' in headers and self.should_strip_auth(response.request.url, url):
+            # If we get redirected to a new host, we should strip out any
+            # authentication headers.
+            del headers['Authorization']
+
+        # .netrc might have more auth for us on our new host.
+        new_auth = get_netrc_auth(url) if self.trust_env else None
+        if new_auth is not None:
+            prepared_request.prepare_auth(new_auth)
+
+    def rebuild_proxies(self, prepared_request, proxies):
+        """This method re-evaluates the proxy configuration by considering the
+        environment variables. If we are redirected to a URL covered by
+        NO_PROXY, we strip the proxy configuration. Otherwise, we set missing
+        proxy keys for this URL (in case they were stripped by a previous
+        redirect).
+
+        This method also replaces the Proxy-Authorization header where
+        necessary.
+
+        :rtype: dict
+        """
+        headers = prepared_request.headers
+        scheme = urlparse(prepared_request.url).scheme
+        new_proxies = resolve_proxies(prepared_request, proxies, self.trust_env)
+
+        if 'Proxy-Authorization' in headers:
+            del headers['Proxy-Authorization']
+
+        try:
+            username, password = get_auth_from_url(new_proxies[scheme])
+        except KeyError:
+            username, password = None, None
+
+        # urllib3 handles proxy authorization for us in the standard adapter.
+        # Avoid appending this to TLS tunneled requests where it may be leaked.
+        if not scheme.startswith('https') and username and password:
+            headers['Proxy-Authorization'] = _basic_auth_str(username, password)
+
+        return new_proxies
+
+    def rebuild_method(self, prepared_request, response):
+        """When being redirected we may want to change the method of the request
+        based on certain specs or browser behavior.
+        """
+        method = prepared_request.method
+
+        # https://tools.ietf.org/html/rfc7231#section-6.4.4
+        if response.status_code == codes.see_other and method != 'HEAD':
+            method = 'GET'
+
+        # Do what the browsers do, despite standards...
+        # First, turn 302s into GETs.
+        if response.status_code == codes.found and method != 'HEAD':
+            method = 'GET'
+
+        # Second, if a POST is responded to with a 301, turn it into a GET.
+        # This bizarre behaviour is explained in Issue 1704.
+        if response.status_code == codes.moved and method == 'POST':
+            method = 'GET'
+
+        prepared_request.method = method
+
+
+class Session(SessionRedirectMixin):
+    """A Requests session.
+
+    Provides cookie persistence, connection-pooling, and configuration.
+
+    Basic Usage::
+
+      >>> import requests
+      >>> s = requests.Session()
+      >>> s.get('https://httpbin.org/get')
+      <Response [200]>
+
+    Or as a context manager::
+
+      >>> with requests.Session() as s:
+      ...     s.get('https://httpbin.org/get')
+      <Response [200]>
+    """
+
+    __attrs__ = [
+        'headers', 'cookies', 'auth', 'proxies', 'hooks', 'params', 'verify',
+        'cert', 'adapters', 'stream', 'trust_env',
+        'max_redirects',
+    ]
+
+    def __init__(self):
+
+        #: A case-insensitive dictionary of headers to be sent on each
+        #: :class:`Request <Request>` sent from this
+        #: :class:`Session <Session>`.
+        self.headers = default_headers()
+
+        #: Default Authentication tuple or object to attach to
+        #: :class:`Request <Request>`.
+        self.auth = None
+
+        #: Dictionary mapping protocol or protocol and host to the URL of the proxy
+        #: (e.g. {'http': 'foo.bar:3128', 'http://host.name': 'foo.bar:4012'}) to
+        #: be used on each :class:`Request <Request>`.
+        self.proxies = {}
+
+        #: Event-handling hooks.
+        self.hooks = default_hooks()
+
+        #: Dictionary of querystring data to attach to each
+        #: :class:`Request <Request>`. The dictionary values may be lists for
+        #: representing multivalued query parameters.
+        self.params = {}
+
+        #: Stream response content default.
+        self.stream = False
+
+        #: SSL Verification default.
+        #: Defaults to `True`, requiring requests to verify the TLS certificate at the
+        #: remote end.
+        #: If verify is set to `False`, requests will accept any TLS certificate
+        #: presented by the server, and will ignore hostname mismatches and/or
+        #: expired certificates, which will make your application vulnerable to
+        #: man-in-the-middle (MitM) attacks.
+        #: Only set this to `False` for testing.
+        self.verify = True
+
+        #: SSL client certificate default, if String, path to ssl client
+        #: cert file (.pem). If Tuple, ('cert', 'key') pair.
+        self.cert = None
+
+        #: Maximum number of redirects allowed. If the request exceeds this
+        #: limit, a :class:`TooManyRedirects` exception is raised.
+        #: This defaults to requests.models.DEFAULT_REDIRECT_LIMIT, which is
+        #: 30.
+        self.max_redirects = DEFAULT_REDIRECT_LIMIT
+
+        #: Trust environment settings for proxy configuration, default
+        #: authentication and similar.
+        self.trust_env = True
+
+        #: A CookieJar containing all currently outstanding cookies set on this
+        #: session. By default it is a
+        #: :class:`RequestsCookieJar <requests.cookies.RequestsCookieJar>`, but
+        #: may be any other ``cookielib.CookieJar`` compatible object.
+        self.cookies = cookiejar_from_dict({})
+
+        # Default connection adapters.
+        self.adapters = OrderedDict()
+        self.mount('https://', HTTPAdapter())
+        self.mount('http://', HTTPAdapter())
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.close()
+
+    def prepare_request(self, request):
+        """Constructs a :class:`PreparedRequest <PreparedRequest>` for
+        transmission and returns it. The :class:`PreparedRequest` has settings
+        merged from the :class:`Request <Request>` instance and those of the
+        :class:`Session`.
+
+        :param request: :class:`Request` instance to prepare with this
+            session's settings.
+        :rtype: requests.PreparedRequest
+        """
+        cookies = request.cookies or {}
+
+        # Bootstrap CookieJar.
+        if not isinstance(cookies, cookielib.CookieJar):
+            cookies = cookiejar_from_dict(cookies)
+
+        # Merge with session cookies
+        merged_cookies = merge_cookies(
+            merge_cookies(RequestsCookieJar(), self.cookies), cookies)
+
+        # Set environment's basic authentication if not explicitly set.
+        auth = request.auth
+        if self.trust_env and not auth and not self.auth:
+            auth = get_netrc_auth(request.url)
+
+        p = PreparedRequest()
+        p.prepare(
+            method=request.method.upper(),
+            url=request.url,
+            files=request.files,
+            data=request.data,
+            json=request.json,
+            headers=merge_setting(request.headers, self.headers, dict_class=CaseInsensitiveDict),
+            params=merge_setting(request.params, self.params),
+            auth=merge_setting(auth, self.auth),
+            cookies=merged_cookies,
+            hooks=merge_hooks(request.hooks, self.hooks),
+        )
+        return p
+
+    def request(self, method, url,
+            params=None, data=None, headers=None, cookies=None, files=None,
+            auth=None, timeout=None, allow_redirects=True, proxies=None,
+            hooks=None, stream=None, verify=None, cert=None, json=None):
+        """Constructs a :class:`Request <Request>`, prepares it and sends it.
+        Returns :class:`Response <Response>` object.
+
+        :param method: method for the new :class:`Request` object.
+        :param url: URL for the new :class:`Request` object.
+        :param params: (optional) Dictionary or bytes to be sent in the query
+            string for the :class:`Request`.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param json: (optional) json to send in the body of the
+            :class:`Request`.
+        :param headers: (optional) Dictionary of HTTP Headers to send with the
+            :class:`Request`.
+        :param cookies: (optional) Dict or CookieJar object to send with the
+            :class:`Request`.
+        :param files: (optional) Dictionary of ``'filename': file-like-objects``
+            for multipart encoding upload.
+        :param auth: (optional) Auth tuple or callable to enable
+            Basic/Digest/Custom HTTP Auth.
+        :param timeout: (optional) How long to wait for the server to send
+            data before giving up, as a float, or a :ref:`(connect timeout,
+            read timeout) <timeouts>` tuple.
+        :type timeout: float or tuple
+        :param allow_redirects: (optional) Set to True by default.
+        :type allow_redirects: bool
+        :param proxies: (optional) Dictionary mapping protocol or protocol and
+            hostname to the URL of the proxy.
+        :param stream: (optional) whether to immediately download the response
+            content. Defaults to ``False``.
+        :param verify: (optional) Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use. Defaults to ``True``. When set to
+            ``False``, requests will accept any TLS certificate presented by
+            the server, and will ignore hostname mismatches and/or expired
+            certificates, which will make your application vulnerable to
+            man-in-the-middle (MitM) attacks. Setting verify to ``False`` 
+            may be useful during local development or testing.
+        :param cert: (optional) if String, path to ssl client cert file (.pem).
+            If Tuple, ('cert', 'key') pair.
+        :rtype: requests.Response
+        """
+        # Create the Request.
+        req = Request(
+            method=method.upper(),
+            url=url,
+            headers=headers,
+            files=files,
+            data=data or {},
+            json=json,
+            params=params or {},
+            auth=auth,
+            cookies=cookies,
+            hooks=hooks,
+        )
+        prep = self.prepare_request(req)
+
+        proxies = proxies or {}
+
+        settings = self.merge_environment_settings(
+            prep.url, proxies, stream, verify, cert
+        )
+
+        # Send the request.
+        send_kwargs = {
+            'timeout': timeout,
+            'allow_redirects': allow_redirects,
+        }
+        send_kwargs.update(settings)
+        resp = self.send(prep, **send_kwargs)
+
+        return resp
+
+    def get(self, url, **kwargs):
+        r"""Sends a GET request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        kwargs.setdefault('allow_redirects', True)
+        return self.request('GET', url, **kwargs)
+
+    def options(self, url, **kwargs):
+        r"""Sends a OPTIONS request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        kwargs.setdefault('allow_redirects', True)
+        return self.request('OPTIONS', url, **kwargs)
+
+    def head(self, url, **kwargs):
+        r"""Sends a HEAD request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        kwargs.setdefault('allow_redirects', False)
+        return self.request('HEAD', url, **kwargs)
+
+    def post(self, url, data=None, json=None, **kwargs):
+        r"""Sends a POST request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param json: (optional) json to send in the body of the :class:`Request`.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request('POST', url, data=data, json=json, **kwargs)
+
+    def put(self, url, data=None, **kwargs):
+        r"""Sends a PUT request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request('PUT', url, data=data, **kwargs)
+
+    def patch(self, url, data=None, **kwargs):
+        r"""Sends a PATCH request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request('PATCH', url, data=data, **kwargs)
+
+    def delete(self, url, **kwargs):
+        r"""Sends a DELETE request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request('DELETE', url, **kwargs)
+
+    def send(self, request, **kwargs):
+        """Send a given PreparedRequest.
+
+        :rtype: requests.Response
+        """
+        # Set defaults that the hooks can utilize to ensure they always have
+        # the correct parameters to reproduce the previous request.
+        kwargs.setdefault('stream', self.stream)
+        kwargs.setdefault('verify', self.verify)
+        kwargs.setdefault('cert', self.cert)
+        if 'proxies' not in kwargs:
+            kwargs['proxies'] = resolve_proxies(
+                request, self.proxies, self.trust_env
+            )
+
+        # It's possible that users might accidentally send a Request object.
+        # Guard against that specific failure case.
+        if isinstance(request, Request):
+            raise ValueError('You can only send PreparedRequests.')
+
+        # Set up variables needed for resolve_redirects and dispatching of hooks
+        allow_redirects = kwargs.pop('allow_redirects', True)
+        stream = kwargs.get('stream')
+        hooks = request.hooks
+
+        # Get the appropriate adapter to use
+        adapter = self.get_adapter(url=request.url)
+
+        # Start time (approximately) of the request
+        start = preferred_clock()
+
+        # Send the request
+        r = adapter.send(request, **kwargs)
+
+        # Total elapsed time of the request (approximately)
+        elapsed = preferred_clock() - start
+        r.elapsed = timedelta(seconds=elapsed)
+
+        # Response manipulation hooks
+        r = dispatch_hook('response', hooks, r, **kwargs)
+
+        # Persist cookies
+        if r.history:
+
+            # If the hooks create history then we want those cookies too
+            for resp in r.history:
+                extract_cookies_to_jar(self.cookies, resp.request, resp.raw)
+
+        extract_cookies_to_jar(self.cookies, request, r.raw)
+
+        # Resolve redirects if allowed.
+        if allow_redirects:
+            # Redirect resolving generator.
+            gen = self.resolve_redirects(r, request, **kwargs)
+            history = [resp for resp in gen]
+        else:
+            history = []
+
+        # Shuffle things around if there's history.
+        if history:
+            # Insert the first (original) request at the start
+            history.insert(0, r)
+            # Get the last request made
+            r = history.pop()
+            r.history = history
+
+        # If redirects aren't being followed, store the response on the Request for Response.next().
+        if not allow_redirects:
+            try:
+                r._next = next(self.resolve_redirects(r, request, yield_requests=True, **kwargs))
+            except StopIteration:
+                pass
+
+        if not stream:
+            r.content
+
+        return r
+
+    def merge_environment_settings(self, url, proxies, stream, verify, cert):
+        """
+        Check the environment and merge it with some settings.
+
+        :rtype: dict
+        """
+        # Gather clues from the surrounding environment.
+        if self.trust_env:
+            # Set environment's proxies.
+            no_proxy = proxies.get('no_proxy') if proxies is not None else None
+            env_proxies = get_environ_proxies(url, no_proxy=no_proxy)
+            for (k, v) in env_proxies.items():
+                proxies.setdefault(k, v)
+
+            # Look for requests environment configuration and be compatible
+            # with cURL.
+            if verify is True or verify is None:
+                verify = (os.environ.get('REQUESTS_CA_BUNDLE') or
+                          os.environ.get('CURL_CA_BUNDLE'))
+
+        # Merge all the kwargs.
+        proxies = merge_setting(proxies, self.proxies)
+        stream = merge_setting(stream, self.stream)
+        verify = merge_setting(verify, self.verify)
+        cert = merge_setting(cert, self.cert)
+
+        return {'verify': verify, 'proxies': proxies, 'stream': stream,
+                'cert': cert}
+
+    def get_adapter(self, url):
+        """
+        Returns the appropriate connection adapter for the given URL.
+
+        :rtype: requests.adapters.BaseAdapter
+        """
+        for (prefix, adapter) in self.adapters.items():
+
+            if url.lower().startswith(prefix.lower()):
+                return adapter
+
+        # Nothing matches :-/
+        raise InvalidSchema("No connection adapters were found for {!r}".format(url))
+
+    def close(self):
+        """Closes all adapters and as such the session"""
+        for v in self.adapters.values():
+            v.close()
+
+    def mount(self, prefix, adapter):
+        """Registers a connection adapter to a prefix.
+
+        Adapters are sorted in descending order by prefix length.
+        """
+        self.adapters[prefix] = adapter
+        keys_to_move = [k for k in self.adapters if len(k) < len(prefix)]
+
+        for key in keys_to_move:
+            self.adapters[key] = self.adapters.pop(key)
+
+    def __getstate__(self):
+        state = {attr: getattr(self, attr, None) for attr in self.__attrs__}
+        return state
+
+    def __setstate__(self, state):
+        for attr, value in state.items():
+            setattr(self, attr, value)
+
+
+def session():
+    """
+    Returns a :class:`Session` for context-management.
+
+    .. deprecated:: 1.0.0
+
+        This method has been deprecated since version 1.0.0 and is only kept for
+        backwards compatibility. New code should use :class:`~requests.sessions.Session`
+        to create a session. This may be removed at a future date.
+
+    :rtype: Session
+    """
+    return Session()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/status_codes.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/status_codes.py
new file mode 100644
index 0000000000000000000000000000000000000000..d80a7cd4dd486d2927a3c0f2f3e684bcf5f8e49d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/status_codes.py
@@ -0,0 +1,123 @@
+# -*- coding: utf-8 -*-
+
+r"""
+The ``codes`` object defines a mapping from common names for HTTP statuses
+to their numerical codes, accessible either as attributes or as dictionary
+items.
+
+Example::
+
+    >>> import requests
+    >>> requests.codes['temporary_redirect']
+    307
+    >>> requests.codes.teapot
+    418
+    >>> requests.codes['\o/']
+    200
+
+Some codes have multiple names, and both upper- and lower-case versions of
+the names are allowed. For example, ``codes.ok``, ``codes.OK``, and
+``codes.okay`` all correspond to the HTTP status code 200.
+"""
+
+from .structures import LookupDict
+
+_codes = {
+
+    # Informational.
+    100: ('continue',),
+    101: ('switching_protocols',),
+    102: ('processing',),
+    103: ('checkpoint',),
+    122: ('uri_too_long', 'request_uri_too_long'),
+    200: ('ok', 'okay', 'all_ok', 'all_okay', 'all_good', '\\o/', '✓'),
+    201: ('created',),
+    202: ('accepted',),
+    203: ('non_authoritative_info', 'non_authoritative_information'),
+    204: ('no_content',),
+    205: ('reset_content', 'reset'),
+    206: ('partial_content', 'partial'),
+    207: ('multi_status', 'multiple_status', 'multi_stati', 'multiple_stati'),
+    208: ('already_reported',),
+    226: ('im_used',),
+
+    # Redirection.
+    300: ('multiple_choices',),
+    301: ('moved_permanently', 'moved', '\\o-'),
+    302: ('found',),
+    303: ('see_other', 'other'),
+    304: ('not_modified',),
+    305: ('use_proxy',),
+    306: ('switch_proxy',),
+    307: ('temporary_redirect', 'temporary_moved', 'temporary'),
+    308: ('permanent_redirect',
+          'resume_incomplete', 'resume',),  # These 2 to be removed in 3.0
+
+    # Client Error.
+    400: ('bad_request', 'bad'),
+    401: ('unauthorized',),
+    402: ('payment_required', 'payment'),
+    403: ('forbidden',),
+    404: ('not_found', '-o-'),
+    405: ('method_not_allowed', 'not_allowed'),
+    406: ('not_acceptable',),
+    407: ('proxy_authentication_required', 'proxy_auth', 'proxy_authentication'),
+    408: ('request_timeout', 'timeout'),
+    409: ('conflict',),
+    410: ('gone',),
+    411: ('length_required',),
+    412: ('precondition_failed', 'precondition'),
+    413: ('request_entity_too_large',),
+    414: ('request_uri_too_large',),
+    415: ('unsupported_media_type', 'unsupported_media', 'media_type'),
+    416: ('requested_range_not_satisfiable', 'requested_range', 'range_not_satisfiable'),
+    417: ('expectation_failed',),
+    418: ('im_a_teapot', 'teapot', 'i_am_a_teapot'),
+    421: ('misdirected_request',),
+    422: ('unprocessable_entity', 'unprocessable'),
+    423: ('locked',),
+    424: ('failed_dependency', 'dependency'),
+    425: ('unordered_collection', 'unordered'),
+    426: ('upgrade_required', 'upgrade'),
+    428: ('precondition_required', 'precondition'),
+    429: ('too_many_requests', 'too_many'),
+    431: ('header_fields_too_large', 'fields_too_large'),
+    444: ('no_response', 'none'),
+    449: ('retry_with', 'retry'),
+    450: ('blocked_by_windows_parental_controls', 'parental_controls'),
+    451: ('unavailable_for_legal_reasons', 'legal_reasons'),
+    499: ('client_closed_request',),
+
+    # Server Error.
+    500: ('internal_server_error', 'server_error', '/o\\', '✗'),
+    501: ('not_implemented',),
+    502: ('bad_gateway',),
+    503: ('service_unavailable', 'unavailable'),
+    504: ('gateway_timeout',),
+    505: ('http_version_not_supported', 'http_version'),
+    506: ('variant_also_negotiates',),
+    507: ('insufficient_storage',),
+    509: ('bandwidth_limit_exceeded', 'bandwidth'),
+    510: ('not_extended',),
+    511: ('network_authentication_required', 'network_auth', 'network_authentication'),
+}
+
+codes = LookupDict(name='status_codes')
+
+def _init():
+    for code, titles in _codes.items():
+        for title in titles:
+            setattr(codes, title, code)
+            if not title.startswith(('\\', '/')):
+                setattr(codes, title.upper(), code)
+
+    def doc(code):
+        names = ', '.join('``%s``' % n for n in _codes[code])
+        return '* %d: %s' % (code, names)
+
+    global __doc__
+    __doc__ = (__doc__ + '\n' +
+               '\n'.join(doc(code) for code in sorted(_codes))
+               if __doc__ is not None else None)
+
+_init()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/structures.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/structures.py
new file mode 100644
index 0000000000000000000000000000000000000000..8ee0ba7a082a04bfb91a6e1c7d80c5d51c0a2573
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/structures.py
@@ -0,0 +1,105 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.structures
+~~~~~~~~~~~~~~~~~~~
+
+Data structures that power Requests.
+"""
+
+from collections import OrderedDict
+
+from .compat import Mapping, MutableMapping
+
+
+class CaseInsensitiveDict(MutableMapping):
+    """A case-insensitive ``dict``-like object.
+
+    Implements all methods and operations of
+    ``MutableMapping`` as well as dict's ``copy``. Also
+    provides ``lower_items``.
+
+    All keys are expected to be strings. The structure remembers the
+    case of the last key to be set, and ``iter(instance)``,
+    ``keys()``, ``items()``, ``iterkeys()``, and ``iteritems()``
+    will contain case-sensitive keys. However, querying and contains
+    testing is case insensitive::
+
+        cid = CaseInsensitiveDict()
+        cid['Accept'] = 'application/json'
+        cid['aCCEPT'] == 'application/json'  # True
+        list(cid) == ['Accept']  # True
+
+    For example, ``headers['content-encoding']`` will return the
+    value of a ``'Content-Encoding'`` response header, regardless
+    of how the header name was originally stored.
+
+    If the constructor, ``.update``, or equality comparison
+    operations are given keys that have equal ``.lower()``s, the
+    behavior is undefined.
+    """
+
+    def __init__(self, data=None, **kwargs):
+        self._store = OrderedDict()
+        if data is None:
+            data = {}
+        self.update(data, **kwargs)
+
+    def __setitem__(self, key, value):
+        # Use the lowercased key for lookups, but store the actual
+        # key alongside the value.
+        self._store[key.lower()] = (key, value)
+
+    def __getitem__(self, key):
+        return self._store[key.lower()][1]
+
+    def __delitem__(self, key):
+        del self._store[key.lower()]
+
+    def __iter__(self):
+        return (casedkey for casedkey, mappedvalue in self._store.values())
+
+    def __len__(self):
+        return len(self._store)
+
+    def lower_items(self):
+        """Like iteritems(), but with all lowercase keys."""
+        return (
+            (lowerkey, keyval[1])
+            for (lowerkey, keyval)
+            in self._store.items()
+        )
+
+    def __eq__(self, other):
+        if isinstance(other, Mapping):
+            other = CaseInsensitiveDict(other)
+        else:
+            return NotImplemented
+        # Compare insensitively
+        return dict(self.lower_items()) == dict(other.lower_items())
+
+    # Copy is required
+    def copy(self):
+        return CaseInsensitiveDict(self._store.values())
+
+    def __repr__(self):
+        return str(dict(self.items()))
+
+
+class LookupDict(dict):
+    """Dictionary lookup object."""
+
+    def __init__(self, name=None):
+        self.name = name
+        super(LookupDict, self).__init__()
+
+    def __repr__(self):
+        return '<lookup \'%s\'>' % (self.name)
+
+    def __getitem__(self, key):
+        # We allow fall-through here, so values default to None
+
+        return self.__dict__.get(key, None)
+
+    def get(self, key, default=None):
+        return self.__dict__.get(key, default)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/requests/utils.py b/venv/lib/python3.10/site-packages/pip/_vendor/requests/utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..07281ef9187f6aacc9b4d092d0179c44917ce058
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/requests/utils.py
@@ -0,0 +1,1054 @@
+# -*- coding: utf-8 -*-
+
+"""
+requests.utils
+~~~~~~~~~~~~~~
+
+This module provides utility functions that are used within Requests
+that are also useful for external consumption.
+"""
+
+import codecs
+import contextlib
+import io
+import os
+import re
+import socket
+import struct
+import sys
+import tempfile
+import warnings
+import zipfile
+from collections import OrderedDict
+from pip._vendor.urllib3.util import make_headers
+from pip._vendor.urllib3.util import parse_url
+
+from .__version__ import __version__
+from . import certs
+# to_native_string is unused here, but imported here for backwards compatibility
+from ._internal_utils import to_native_string
+from .compat import parse_http_list as _parse_list_header
+from .compat import (
+    quote, urlparse, bytes, str, unquote, getproxies,
+    proxy_bypass, urlunparse, basestring, integer_types, is_py3,
+    proxy_bypass_environment, getproxies_environment, Mapping)
+from .cookies import cookiejar_from_dict
+from .structures import CaseInsensitiveDict
+from .exceptions import (
+    InvalidURL, InvalidHeader, FileModeWarning, UnrewindableBodyError)
+
+NETRC_FILES = ('.netrc', '_netrc')
+
+DEFAULT_CA_BUNDLE_PATH = certs.where()
+
+DEFAULT_PORTS = {'http': 80, 'https': 443}
+
+# Ensure that ', ' is used to preserve previous delimiter behavior.
+DEFAULT_ACCEPT_ENCODING = ", ".join(
+    re.split(r",\s*", make_headers(accept_encoding=True)["accept-encoding"])
+)
+
+
+if sys.platform == 'win32':
+    # provide a proxy_bypass version on Windows without DNS lookups
+
+    def proxy_bypass_registry(host):
+        try:
+            if is_py3:
+                import winreg
+            else:
+                import _winreg as winreg
+        except ImportError:
+            return False
+
+        try:
+            internetSettings = winreg.OpenKey(winreg.HKEY_CURRENT_USER,
+                r'Software\Microsoft\Windows\CurrentVersion\Internet Settings')
+            # ProxyEnable could be REG_SZ or REG_DWORD, normalizing it
+            proxyEnable = int(winreg.QueryValueEx(internetSettings,
+                                              'ProxyEnable')[0])
+            # ProxyOverride is almost always a string
+            proxyOverride = winreg.QueryValueEx(internetSettings,
+                                                'ProxyOverride')[0]
+        except OSError:
+            return False
+        if not proxyEnable or not proxyOverride:
+            return False
+
+        # make a check value list from the registry entry: replace the
+        # '<local>' string by the localhost entry and the corresponding
+        # canonical entry.
+        proxyOverride = proxyOverride.split(';')
+        # now check if we match one of the registry values.
+        for test in proxyOverride:
+            if test == '<local>':
+                if '.' not in host:
+                    return True
+            test = test.replace(".", r"\.")     # mask dots
+            test = test.replace("*", r".*")     # change glob sequence
+            test = test.replace("?", r".")      # change glob char
+            if re.match(test, host, re.I):
+                return True
+        return False
+
+    def proxy_bypass(host):  # noqa
+        """Return True, if the host should be bypassed.
+
+        Checks proxy settings gathered from the environment, if specified,
+        or the registry.
+        """
+        if getproxies_environment():
+            return proxy_bypass_environment(host)
+        else:
+            return proxy_bypass_registry(host)
+
+
+def dict_to_sequence(d):
+    """Returns an internal sequence dictionary update."""
+
+    if hasattr(d, 'items'):
+        d = d.items()
+
+    return d
+
+
+def super_len(o):
+    total_length = None
+    current_position = 0
+
+    if hasattr(o, '__len__'):
+        total_length = len(o)
+
+    elif hasattr(o, 'len'):
+        total_length = o.len
+
+    elif hasattr(o, 'fileno'):
+        try:
+            fileno = o.fileno()
+        except (io.UnsupportedOperation, AttributeError):
+            # AttributeError is a surprising exception, seeing as how we've just checked
+            # that `hasattr(o, 'fileno')`.  It happens for objects obtained via
+            # `Tarfile.extractfile()`, per issue 5229.
+            pass
+        else:
+            total_length = os.fstat(fileno).st_size
+
+            # Having used fstat to determine the file length, we need to
+            # confirm that this file was opened up in binary mode.
+            if 'b' not in o.mode:
+                warnings.warn((
+                    "Requests has determined the content-length for this "
+                    "request using the binary size of the file: however, the "
+                    "file has been opened in text mode (i.e. without the 'b' "
+                    "flag in the mode). This may lead to an incorrect "
+                    "content-length. In Requests 3.0, support will be removed "
+                    "for files in text mode."),
+                    FileModeWarning
+                )
+
+    if hasattr(o, 'tell'):
+        try:
+            current_position = o.tell()
+        except (OSError, IOError):
+            # This can happen in some weird situations, such as when the file
+            # is actually a special file descriptor like stdin. In this
+            # instance, we don't know what the length is, so set it to zero and
+            # let requests chunk it instead.
+            if total_length is not None:
+                current_position = total_length
+        else:
+            if hasattr(o, 'seek') and total_length is None:
+                # StringIO and BytesIO have seek but no usable fileno
+                try:
+                    # seek to end of file
+                    o.seek(0, 2)
+                    total_length = o.tell()
+
+                    # seek back to current position to support
+                    # partially read file-like objects
+                    o.seek(current_position or 0)
+                except (OSError, IOError):
+                    total_length = 0
+
+    if total_length is None:
+        total_length = 0
+
+    return max(0, total_length - current_position)
+
+
+def get_netrc_auth(url, raise_errors=False):
+    """Returns the Requests tuple auth for a given url from netrc."""
+
+    netrc_file = os.environ.get('NETRC')
+    if netrc_file is not None:
+        netrc_locations = (netrc_file,)
+    else:
+        netrc_locations = ('~/{}'.format(f) for f in NETRC_FILES)
+
+    try:
+        from netrc import netrc, NetrcParseError
+
+        netrc_path = None
+
+        for f in netrc_locations:
+            try:
+                loc = os.path.expanduser(f)
+            except KeyError:
+                # os.path.expanduser can fail when $HOME is undefined and
+                # getpwuid fails. See https://bugs.python.org/issue20164 &
+                # https://github.com/psf/requests/issues/1846
+                return
+
+            if os.path.exists(loc):
+                netrc_path = loc
+                break
+
+        # Abort early if there isn't one.
+        if netrc_path is None:
+            return
+
+        ri = urlparse(url)
+        host = ri.hostname
+
+        try:
+            _netrc = netrc(netrc_path).authenticators(host)
+            if _netrc:
+                # Return with login / password
+                login_i = (0 if _netrc[0] else 1)
+                return (_netrc[login_i], _netrc[2])
+        except (NetrcParseError, IOError):
+            # If there was a parsing error or a permissions issue reading the file,
+            # we'll just skip netrc auth unless explicitly asked to raise errors.
+            if raise_errors:
+                raise
+
+    # App Engine hackiness.
+    except (ImportError, AttributeError):
+        pass
+
+
+def guess_filename(obj):
+    """Tries to guess the filename of the given object."""
+    name = getattr(obj, 'name', None)
+    if (name and isinstance(name, basestring) and name[0] != '<' and
+            name[-1] != '>'):
+        return os.path.basename(name)
+
+
+def extract_zipped_paths(path):
+    """Replace nonexistent paths that look like they refer to a member of a zip
+    archive with the location of an extracted copy of the target, or else
+    just return the provided path unchanged.
+    """
+    if os.path.exists(path):
+        # this is already a valid path, no need to do anything further
+        return path
+
+    # find the first valid part of the provided path and treat that as a zip archive
+    # assume the rest of the path is the name of a member in the archive
+    archive, member = os.path.split(path)
+    while archive and not os.path.exists(archive):
+        archive, prefix = os.path.split(archive)
+        if not prefix:
+            # If we don't check for an empty prefix after the split (in other words, archive remains unchanged after the split),
+            # we _can_ end up in an infinite loop on a rare corner case affecting a small number of users
+            break
+        member = '/'.join([prefix, member])
+
+    if not zipfile.is_zipfile(archive):
+        return path
+
+    zip_file = zipfile.ZipFile(archive)
+    if member not in zip_file.namelist():
+        return path
+
+    # we have a valid zip archive and a valid member of that archive
+    tmp = tempfile.gettempdir()
+    extracted_path = os.path.join(tmp, member.split('/')[-1])
+    if not os.path.exists(extracted_path):
+        # use read + write to avoid the creating nested folders, we only want the file, avoids mkdir racing condition
+        with atomic_open(extracted_path) as file_handler:
+            file_handler.write(zip_file.read(member))
+    return extracted_path
+
+
+@contextlib.contextmanager
+def atomic_open(filename):
+    """Write a file to the disk in an atomic fashion"""
+    replacer = os.rename if sys.version_info[0] == 2 else os.replace
+    tmp_descriptor, tmp_name = tempfile.mkstemp(dir=os.path.dirname(filename))
+    try:
+        with os.fdopen(tmp_descriptor, 'wb') as tmp_handler:
+            yield tmp_handler
+        replacer(tmp_name, filename)
+    except BaseException:
+        os.remove(tmp_name)
+        raise
+
+
+def from_key_val_list(value):
+    """Take an object and test to see if it can be represented as a
+    dictionary. Unless it can not be represented as such, return an
+    OrderedDict, e.g.,
+
+    ::
+
+        >>> from_key_val_list([('key', 'val')])
+        OrderedDict([('key', 'val')])
+        >>> from_key_val_list('string')
+        Traceback (most recent call last):
+        ...
+        ValueError: cannot encode objects that are not 2-tuples
+        >>> from_key_val_list({'key': 'val'})
+        OrderedDict([('key', 'val')])
+
+    :rtype: OrderedDict
+    """
+    if value is None:
+        return None
+
+    if isinstance(value, (str, bytes, bool, int)):
+        raise ValueError('cannot encode objects that are not 2-tuples')
+
+    return OrderedDict(value)
+
+
+def to_key_val_list(value):
+    """Take an object and test to see if it can be represented as a
+    dictionary. If it can be, return a list of tuples, e.g.,
+
+    ::
+
+        >>> to_key_val_list([('key', 'val')])
+        [('key', 'val')]
+        >>> to_key_val_list({'key': 'val'})
+        [('key', 'val')]
+        >>> to_key_val_list('string')
+        Traceback (most recent call last):
+        ...
+        ValueError: cannot encode objects that are not 2-tuples
+
+    :rtype: list
+    """
+    if value is None:
+        return None
+
+    if isinstance(value, (str, bytes, bool, int)):
+        raise ValueError('cannot encode objects that are not 2-tuples')
+
+    if isinstance(value, Mapping):
+        value = value.items()
+
+    return list(value)
+
+
+# From mitsuhiko/werkzeug (used with permission).
+def parse_list_header(value):
+    """Parse lists as described by RFC 2068 Section 2.
+
+    In particular, parse comma-separated lists where the elements of
+    the list may include quoted-strings.  A quoted-string could
+    contain a comma.  A non-quoted string could have quotes in the
+    middle.  Quotes are removed automatically after parsing.
+
+    It basically works like :func:`parse_set_header` just that items
+    may appear multiple times and case sensitivity is preserved.
+
+    The return value is a standard :class:`list`:
+
+    >>> parse_list_header('token, "quoted value"')
+    ['token', 'quoted value']
+
+    To create a header from the :class:`list` again, use the
+    :func:`dump_header` function.
+
+    :param value: a string with a list header.
+    :return: :class:`list`
+    :rtype: list
+    """
+    result = []
+    for item in _parse_list_header(value):
+        if item[:1] == item[-1:] == '"':
+            item = unquote_header_value(item[1:-1])
+        result.append(item)
+    return result
+
+
+# From mitsuhiko/werkzeug (used with permission).
+def parse_dict_header(value):
+    """Parse lists of key, value pairs as described by RFC 2068 Section 2 and
+    convert them into a python dict:
+
+    >>> d = parse_dict_header('foo="is a fish", bar="as well"')
+    >>> type(d) is dict
+    True
+    >>> sorted(d.items())
+    [('bar', 'as well'), ('foo', 'is a fish')]
+
+    If there is no value for a key it will be `None`:
+
+    >>> parse_dict_header('key_without_value')
+    {'key_without_value': None}
+
+    To create a header from the :class:`dict` again, use the
+    :func:`dump_header` function.
+
+    :param value: a string with a dict header.
+    :return: :class:`dict`
+    :rtype: dict
+    """
+    result = {}
+    for item in _parse_list_header(value):
+        if '=' not in item:
+            result[item] = None
+            continue
+        name, value = item.split('=', 1)
+        if value[:1] == value[-1:] == '"':
+            value = unquote_header_value(value[1:-1])
+        result[name] = value
+    return result
+
+
+# From mitsuhiko/werkzeug (used with permission).
+def unquote_header_value(value, is_filename=False):
+    r"""Unquotes a header value.  (Reversal of :func:`quote_header_value`).
+    This does not use the real unquoting but what browsers are actually
+    using for quoting.
+
+    :param value: the header value to unquote.
+    :rtype: str
+    """
+    if value and value[0] == value[-1] == '"':
+        # this is not the real unquoting, but fixing this so that the
+        # RFC is met will result in bugs with internet explorer and
+        # probably some other browsers as well.  IE for example is
+        # uploading files with "C:\foo\bar.txt" as filename
+        value = value[1:-1]
+
+        # if this is a filename and the starting characters look like
+        # a UNC path, then just return the value without quotes.  Using the
+        # replace sequence below on a UNC path has the effect of turning
+        # the leading double slash into a single slash and then
+        # _fix_ie_filename() doesn't work correctly.  See #458.
+        if not is_filename or value[:2] != '\\\\':
+            return value.replace('\\\\', '\\').replace('\\"', '"')
+    return value
+
+
+def dict_from_cookiejar(cj):
+    """Returns a key/value dictionary from a CookieJar.
+
+    :param cj: CookieJar object to extract cookies from.
+    :rtype: dict
+    """
+
+    cookie_dict = {}
+
+    for cookie in cj:
+        cookie_dict[cookie.name] = cookie.value
+
+    return cookie_dict
+
+
+def add_dict_to_cookiejar(cj, cookie_dict):
+    """Returns a CookieJar from a key/value dictionary.
+
+    :param cj: CookieJar to insert cookies into.
+    :param cookie_dict: Dict of key/values to insert into CookieJar.
+    :rtype: CookieJar
+    """
+
+    return cookiejar_from_dict(cookie_dict, cj)
+
+
+def get_encodings_from_content(content):
+    """Returns encodings from given content string.
+
+    :param content: bytestring to extract encodings from.
+    """
+    warnings.warn((
+        'In requests 3.0, get_encodings_from_content will be removed. For '
+        'more information, please see the discussion on issue #2266. (This'
+        ' warning should only appear once.)'),
+        DeprecationWarning)
+
+    charset_re = re.compile(r'<meta.*?charset=["\']*(.+?)["\'>]', flags=re.I)
+    pragma_re = re.compile(r'<meta.*?content=["\']*;?charset=(.+?)["\'>]', flags=re.I)
+    xml_re = re.compile(r'^<\?xml.*?encoding=["\']*(.+?)["\'>]')
+
+    return (charset_re.findall(content) +
+            pragma_re.findall(content) +
+            xml_re.findall(content))
+
+
+def _parse_content_type_header(header):
+    """Returns content type and parameters from given header
+
+    :param header: string
+    :return: tuple containing content type and dictionary of
+         parameters
+    """
+
+    tokens = header.split(';')
+    content_type, params = tokens[0].strip(), tokens[1:]
+    params_dict = {}
+    items_to_strip = "\"' "
+
+    for param in params:
+        param = param.strip()
+        if param:
+            key, value = param, True
+            index_of_equals = param.find("=")
+            if index_of_equals != -1:
+                key = param[:index_of_equals].strip(items_to_strip)
+                value = param[index_of_equals + 1:].strip(items_to_strip)
+            params_dict[key.lower()] = value
+    return content_type, params_dict
+
+
+def get_encoding_from_headers(headers):
+    """Returns encodings from given HTTP Header Dict.
+
+    :param headers: dictionary to extract encoding from.
+    :rtype: str
+    """
+
+    content_type = headers.get('content-type')
+
+    if not content_type:
+        return None
+
+    content_type, params = _parse_content_type_header(content_type)
+
+    if 'charset' in params:
+        return params['charset'].strip("'\"")
+
+    if 'text' in content_type:
+        return 'ISO-8859-1'
+
+    if 'application/json' in content_type:
+        # Assume UTF-8 based on RFC 4627: https://www.ietf.org/rfc/rfc4627.txt since the charset was unset
+        return 'utf-8'
+
+
+def stream_decode_response_unicode(iterator, r):
+    """Stream decodes a iterator."""
+
+    if r.encoding is None:
+        for item in iterator:
+            yield item
+        return
+
+    decoder = codecs.getincrementaldecoder(r.encoding)(errors='replace')
+    for chunk in iterator:
+        rv = decoder.decode(chunk)
+        if rv:
+            yield rv
+    rv = decoder.decode(b'', final=True)
+    if rv:
+        yield rv
+
+
+def iter_slices(string, slice_length):
+    """Iterate over slices of a string."""
+    pos = 0
+    if slice_length is None or slice_length <= 0:
+        slice_length = len(string)
+    while pos < len(string):
+        yield string[pos:pos + slice_length]
+        pos += slice_length
+
+
+def get_unicode_from_response(r):
+    """Returns the requested content back in unicode.
+
+    :param r: Response object to get unicode content from.
+
+    Tried:
+
+    1. charset from content-type
+    2. fall back and replace all unicode characters
+
+    :rtype: str
+    """
+    warnings.warn((
+        'In requests 3.0, get_unicode_from_response will be removed. For '
+        'more information, please see the discussion on issue #2266. (This'
+        ' warning should only appear once.)'),
+        DeprecationWarning)
+
+    tried_encodings = []
+
+    # Try charset from content-type
+    encoding = get_encoding_from_headers(r.headers)
+
+    if encoding:
+        try:
+            return str(r.content, encoding)
+        except UnicodeError:
+            tried_encodings.append(encoding)
+
+    # Fall back:
+    try:
+        return str(r.content, encoding, errors='replace')
+    except TypeError:
+        return r.content
+
+
+# The unreserved URI characters (RFC 3986)
+UNRESERVED_SET = frozenset(
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" + "0123456789-._~")
+
+
+def unquote_unreserved(uri):
+    """Un-escape any percent-escape sequences in a URI that are unreserved
+    characters. This leaves all reserved, illegal and non-ASCII bytes encoded.
+
+    :rtype: str
+    """
+    parts = uri.split('%')
+    for i in range(1, len(parts)):
+        h = parts[i][0:2]
+        if len(h) == 2 and h.isalnum():
+            try:
+                c = chr(int(h, 16))
+            except ValueError:
+                raise InvalidURL("Invalid percent-escape sequence: '%s'" % h)
+
+            if c in UNRESERVED_SET:
+                parts[i] = c + parts[i][2:]
+            else:
+                parts[i] = '%' + parts[i]
+        else:
+            parts[i] = '%' + parts[i]
+    return ''.join(parts)
+
+
+def requote_uri(uri):
+    """Re-quote the given URI.
+
+    This function passes the given URI through an unquote/quote cycle to
+    ensure that it is fully and consistently quoted.
+
+    :rtype: str
+    """
+    safe_with_percent = "!#$%&'()*+,/:;=?@[]~"
+    safe_without_percent = "!#$&'()*+,/:;=?@[]~"
+    try:
+        # Unquote only the unreserved characters
+        # Then quote only illegal characters (do not quote reserved,
+        # unreserved, or '%')
+        return quote(unquote_unreserved(uri), safe=safe_with_percent)
+    except InvalidURL:
+        # We couldn't unquote the given URI, so let's try quoting it, but
+        # there may be unquoted '%'s in the URI. We need to make sure they're
+        # properly quoted so they do not cause issues elsewhere.
+        return quote(uri, safe=safe_without_percent)
+
+
+def address_in_network(ip, net):
+    """This function allows you to check if an IP belongs to a network subnet
+
+    Example: returns True if ip = 192.168.1.1 and net = 192.168.1.0/24
+             returns False if ip = 192.168.1.1 and net = 192.168.100.0/24
+
+    :rtype: bool
+    """
+    ipaddr = struct.unpack('=L', socket.inet_aton(ip))[0]
+    netaddr, bits = net.split('/')
+    netmask = struct.unpack('=L', socket.inet_aton(dotted_netmask(int(bits))))[0]
+    network = struct.unpack('=L', socket.inet_aton(netaddr))[0] & netmask
+    return (ipaddr & netmask) == (network & netmask)
+
+
+def dotted_netmask(mask):
+    """Converts mask from /xx format to xxx.xxx.xxx.xxx
+
+    Example: if mask is 24 function returns 255.255.255.0
+
+    :rtype: str
+    """
+    bits = 0xffffffff ^ (1 << 32 - mask) - 1
+    return socket.inet_ntoa(struct.pack('>I', bits))
+
+
+def is_ipv4_address(string_ip):
+    """
+    :rtype: bool
+    """
+    try:
+        socket.inet_aton(string_ip)
+    except socket.error:
+        return False
+    return True
+
+
+def is_valid_cidr(string_network):
+    """
+    Very simple check of the cidr format in no_proxy variable.
+
+    :rtype: bool
+    """
+    if string_network.count('/') == 1:
+        try:
+            mask = int(string_network.split('/')[1])
+        except ValueError:
+            return False
+
+        if mask < 1 or mask > 32:
+            return False
+
+        try:
+            socket.inet_aton(string_network.split('/')[0])
+        except socket.error:
+            return False
+    else:
+        return False
+    return True
+
+
+@contextlib.contextmanager
+def set_environ(env_name, value):
+    """Set the environment variable 'env_name' to 'value'
+
+    Save previous value, yield, and then restore the previous value stored in
+    the environment variable 'env_name'.
+
+    If 'value' is None, do nothing"""
+    value_changed = value is not None
+    if value_changed:
+        old_value = os.environ.get(env_name)
+        os.environ[env_name] = value
+    try:
+        yield
+    finally:
+        if value_changed:
+            if old_value is None:
+                del os.environ[env_name]
+            else:
+                os.environ[env_name] = old_value
+
+
+def should_bypass_proxies(url, no_proxy):
+    """
+    Returns whether we should bypass proxies or not.
+
+    :rtype: bool
+    """
+    # Prioritize lowercase environment variables over uppercase
+    # to keep a consistent behaviour with other http projects (curl, wget).
+    get_proxy = lambda k: os.environ.get(k) or os.environ.get(k.upper())
+
+    # First check whether no_proxy is defined. If it is, check that the URL
+    # we're getting isn't in the no_proxy list.
+    no_proxy_arg = no_proxy
+    if no_proxy is None:
+        no_proxy = get_proxy('no_proxy')
+    parsed = urlparse(url)
+
+    if parsed.hostname is None:
+        # URLs don't always have hostnames, e.g. file:/// urls.
+        return True
+
+    if no_proxy:
+        # We need to check whether we match here. We need to see if we match
+        # the end of the hostname, both with and without the port.
+        no_proxy = (
+            host for host in no_proxy.replace(' ', '').split(',') if host
+        )
+
+        if is_ipv4_address(parsed.hostname):
+            for proxy_ip in no_proxy:
+                if is_valid_cidr(proxy_ip):
+                    if address_in_network(parsed.hostname, proxy_ip):
+                        return True
+                elif parsed.hostname == proxy_ip:
+                    # If no_proxy ip was defined in plain IP notation instead of cidr notation &
+                    # matches the IP of the index
+                    return True
+        else:
+            host_with_port = parsed.hostname
+            if parsed.port:
+                host_with_port += ':{}'.format(parsed.port)
+
+            for host in no_proxy:
+                if parsed.hostname.endswith(host) or host_with_port.endswith(host):
+                    # The URL does match something in no_proxy, so we don't want
+                    # to apply the proxies on this URL.
+                    return True
+
+    with set_environ('no_proxy', no_proxy_arg):
+        # parsed.hostname can be `None` in cases such as a file URI.
+        try:
+            bypass = proxy_bypass(parsed.hostname)
+        except (TypeError, socket.gaierror):
+            bypass = False
+
+    if bypass:
+        return True
+
+    return False
+
+
+def get_environ_proxies(url, no_proxy=None):
+    """
+    Return a dict of environment proxies.
+
+    :rtype: dict
+    """
+    if should_bypass_proxies(url, no_proxy=no_proxy):
+        return {}
+    else:
+        return getproxies()
+
+
+def select_proxy(url, proxies):
+    """Select a proxy for the url, if applicable.
+
+    :param url: The url being for the request
+    :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs
+    """
+    proxies = proxies or {}
+    urlparts = urlparse(url)
+    if urlparts.hostname is None:
+        return proxies.get(urlparts.scheme, proxies.get('all'))
+
+    proxy_keys = [
+        urlparts.scheme + '://' + urlparts.hostname,
+        urlparts.scheme,
+        'all://' + urlparts.hostname,
+        'all',
+    ]
+    proxy = None
+    for proxy_key in proxy_keys:
+        if proxy_key in proxies:
+            proxy = proxies[proxy_key]
+            break
+
+    return proxy
+
+
+def resolve_proxies(request, proxies, trust_env=True):
+    """This method takes proxy information from a request and configuration
+    input to resolve a mapping of target proxies. This will consider settings
+    such a NO_PROXY to strip proxy configurations.
+
+    :param request: Request or PreparedRequest
+    :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs
+    :param trust_env: Boolean declaring whether to trust environment configs
+
+    :rtype: dict
+    """
+    proxies = proxies if proxies is not None else {}
+    url = request.url
+    scheme = urlparse(url).scheme
+    no_proxy = proxies.get('no_proxy')
+    new_proxies = proxies.copy()
+
+    if trust_env and not should_bypass_proxies(url, no_proxy=no_proxy):
+        environ_proxies = get_environ_proxies(url, no_proxy=no_proxy)
+
+        proxy = environ_proxies.get(scheme, environ_proxies.get('all'))
+
+        if proxy:
+            new_proxies.setdefault(scheme, proxy)
+    return new_proxies
+
+
+def default_user_agent(name="python-requests"):
+    """
+    Return a string representing the default user agent.
+
+    :rtype: str
+    """
+    return '%s/%s' % (name, __version__)
+
+
+def default_headers():
+    """
+    :rtype: requests.structures.CaseInsensitiveDict
+    """
+    return CaseInsensitiveDict({
+        'User-Agent': default_user_agent(),
+        'Accept-Encoding': DEFAULT_ACCEPT_ENCODING,
+        'Accept': '*/*',
+        'Connection': 'keep-alive',
+    })
+
+
+def parse_header_links(value):
+    """Return a list of parsed link headers proxies.
+
+    i.e. Link: <http:/.../front.jpeg>; rel=front; type="image/jpeg",<http://.../back.jpeg>; rel=back;type="image/jpeg"
+
+    :rtype: list
+    """
+
+    links = []
+
+    replace_chars = ' \'"'
+
+    value = value.strip(replace_chars)
+    if not value:
+        return links
+
+    for val in re.split(', *<', value):
+        try:
+            url, params = val.split(';', 1)
+        except ValueError:
+            url, params = val, ''
+
+        link = {'url': url.strip('<> \'"')}
+
+        for param in params.split(';'):
+            try:
+                key, value = param.split('=')
+            except ValueError:
+                break
+
+            link[key.strip(replace_chars)] = value.strip(replace_chars)
+
+        links.append(link)
+
+    return links
+
+
+# Null bytes; no need to recreate these on each call to guess_json_utf
+_null = '\x00'.encode('ascii')  # encoding to ASCII for Python 3
+_null2 = _null * 2
+_null3 = _null * 3
+
+
+def guess_json_utf(data):
+    """
+    :rtype: str
+    """
+    # JSON always starts with two ASCII characters, so detection is as
+    # easy as counting the nulls and from their location and count
+    # determine the encoding. Also detect a BOM, if present.
+    sample = data[:4]
+    if sample in (codecs.BOM_UTF32_LE, codecs.BOM_UTF32_BE):
+        return 'utf-32'     # BOM included
+    if sample[:3] == codecs.BOM_UTF8:
+        return 'utf-8-sig'  # BOM included, MS style (discouraged)
+    if sample[:2] in (codecs.BOM_UTF16_LE, codecs.BOM_UTF16_BE):
+        return 'utf-16'     # BOM included
+    nullcount = sample.count(_null)
+    if nullcount == 0:
+        return 'utf-8'
+    if nullcount == 2:
+        if sample[::2] == _null2:   # 1st and 3rd are null
+            return 'utf-16-be'
+        if sample[1::2] == _null2:  # 2nd and 4th are null
+            return 'utf-16-le'
+        # Did not detect 2 valid UTF-16 ascii-range characters
+    if nullcount == 3:
+        if sample[:3] == _null3:
+            return 'utf-32-be'
+        if sample[1:] == _null3:
+            return 'utf-32-le'
+        # Did not detect a valid UTF-32 ascii-range character
+    return None
+
+
+def prepend_scheme_if_needed(url, new_scheme):
+    """Given a URL that may or may not have a scheme, prepend the given scheme.
+    Does not replace a present scheme with the one provided as an argument.
+
+    :rtype: str
+    """
+    parsed = parse_url(url)
+    scheme, auth, host, port, path, query, fragment = parsed
+
+    # A defect in urlparse determines that there isn't a netloc present in some
+    # urls. We previously assumed parsing was overly cautious, and swapped the
+    # netloc and path. Due to a lack of tests on the original defect, this is
+    # maintained with parse_url for backwards compatibility.
+    netloc = parsed.netloc
+    if not netloc:
+        netloc, path = path, netloc
+
+    if auth:
+        # parse_url doesn't provide the netloc with auth
+        # so we'll add it ourselves.
+        netloc = '@'.join([auth, netloc])
+    if scheme is None:
+        scheme = new_scheme
+    if path is None:
+        path = ''
+
+    return urlunparse((scheme, netloc, path, '', query, fragment))
+
+
+def get_auth_from_url(url):
+    """Given a url with authentication components, extract them into a tuple of
+    username,password.
+
+    :rtype: (str,str)
+    """
+    parsed = urlparse(url)
+
+    try:
+        auth = (unquote(parsed.username), unquote(parsed.password))
+    except (AttributeError, TypeError):
+        auth = ('', '')
+
+    return auth
+
+
+# Moved outside of function to avoid recompile every call
+_CLEAN_HEADER_REGEX_BYTE = re.compile(b'^\\S[^\\r\\n]*$|^$')
+_CLEAN_HEADER_REGEX_STR = re.compile(r'^\S[^\r\n]*$|^$')
+
+
+def check_header_validity(header):
+    """Verifies that header value is a string which doesn't contain
+    leading whitespace or return characters. This prevents unintended
+    header injection.
+
+    :param header: tuple, in the format (name, value).
+    """
+    name, value = header
+
+    if isinstance(value, bytes):
+        pat = _CLEAN_HEADER_REGEX_BYTE
+    else:
+        pat = _CLEAN_HEADER_REGEX_STR
+    try:
+        if not pat.match(value):
+            raise InvalidHeader("Invalid return character or leading space in header: %s" % name)
+    except TypeError:
+        raise InvalidHeader("Value for header {%s: %s} must be of type str or "
+                            "bytes, not %s" % (name, value, type(value)))
+
+
+def urldefragauth(url):
+    """
+    Given a url remove the fragment and the authentication part.
+
+    :rtype: str
+    """
+    scheme, netloc, path, params, query, fragment = urlparse(url)
+
+    # see func:`prepend_scheme_if_needed`
+    if not netloc:
+        netloc, path = path, netloc
+
+    netloc = netloc.rsplit('@', 1)[-1]
+
+    return urlunparse((scheme, netloc, path, params, query, ''))
+
+
+def rewind_body(prepared_request):
+    """Move file pointer back to its recorded starting position
+    so it can be read again on redirect.
+    """
+    body_seek = getattr(prepared_request.body, 'seek', None)
+    if body_seek is not None and isinstance(prepared_request._body_position, integer_types):
+        try:
+            body_seek(prepared_request._body_position)
+        except (IOError, OSError):
+            raise UnrewindableBodyError("An error occurred when rewinding request "
+                                        "body for redirect.")
+    else:
+        raise UnrewindableBodyError("Unable to rewind request body for redirect.")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..ce05fd3027447fdc64986ecdee950643822e45e6
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/__init__.py
@@ -0,0 +1,26 @@
+__all__ = [
+    "__version__",
+    "AbstractProvider",
+    "AbstractResolver",
+    "BaseReporter",
+    "InconsistentCandidate",
+    "Resolver",
+    "RequirementsConflicted",
+    "ResolutionError",
+    "ResolutionImpossible",
+    "ResolutionTooDeep",
+]
+
+__version__ = "0.8.1"
+
+
+from .providers import AbstractProvider, AbstractResolver
+from .reporters import BaseReporter
+from .resolvers import (
+    InconsistentCandidate,
+    RequirementsConflicted,
+    ResolutionError,
+    ResolutionImpossible,
+    ResolutionTooDeep,
+    Resolver,
+)
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/compat/collections_abc.py b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/compat/collections_abc.py
new file mode 100644
index 0000000000000000000000000000000000000000..1becc5093c5ab8e196bb9fee415e2381e7158fc3
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/compat/collections_abc.py
@@ -0,0 +1,6 @@
+__all__ = ["Mapping", "Sequence"]
+
+try:
+    from collections.abc import Mapping, Sequence
+except ImportError:
+    from collections import Mapping, Sequence
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/providers.py b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/providers.py
new file mode 100644
index 0000000000000000000000000000000000000000..7d0a9c22a4656951910a9fbb70af59a0706cadde
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/providers.py
@@ -0,0 +1,133 @@
+class AbstractProvider(object):
+    """Delegate class to provide requirement interface for the resolver."""
+
+    def identify(self, requirement_or_candidate):
+        """Given a requirement, return an identifier for it.
+
+        This is used to identify a requirement, e.g. whether two requirements
+        should have their specifier parts merged.
+        """
+        raise NotImplementedError
+
+    def get_preference(
+        self,
+        identifier,
+        resolutions,
+        candidates,
+        information,
+        backtrack_causes,
+    ):
+        """Produce a sort key for given requirement based on preference.
+
+        The preference is defined as "I think this requirement should be
+        resolved first". The lower the return value is, the more preferred
+        this group of arguments is.
+
+        :param identifier: An identifier as returned by ``identify()``. This
+            identifies the dependency matches of which should be returned.
+        :param resolutions: Mapping of candidates currently pinned by the
+            resolver. Each key is an identifier, and the value a candidate.
+            The candidate may conflict with requirements from ``information``.
+        :param candidates: Mapping of each dependency's possible candidates.
+            Each value is an iterator of candidates.
+        :param information: Mapping of requirement information of each package.
+            Each value is an iterator of *requirement information*.
+        :param backtrack_causes: Sequence of requirement information that were
+            the requirements that caused the resolver to most recently backtrack.
+
+        A *requirement information* instance is a named tuple with two members:
+
+        * ``requirement`` specifies a requirement contributing to the current
+          list of candidates.
+        * ``parent`` specifies the candidate that provides (dependend on) the
+          requirement, or ``None`` to indicate a root requirement.
+
+        The preference could depend on a various of issues, including (not
+        necessarily in this order):
+
+        * Is this package pinned in the current resolution result?
+        * How relaxed is the requirement? Stricter ones should probably be
+          worked on first? (I don't know, actually.)
+        * How many possibilities are there to satisfy this requirement? Those
+          with few left should likely be worked on first, I guess?
+        * Are there any known conflicts for this requirement? We should
+          probably work on those with the most known conflicts.
+
+        A sortable value should be returned (this will be used as the ``key``
+        parameter of the built-in sorting function). The smaller the value is,
+        the more preferred this requirement is (i.e. the sorting function
+        is called with ``reverse=False``).
+        """
+        raise NotImplementedError
+
+    def find_matches(self, identifier, requirements, incompatibilities):
+        """Find all possible candidates that satisfy given constraints.
+
+        :param identifier: An identifier as returned by ``identify()``. This
+            identifies the dependency matches of which should be returned.
+        :param requirements: A mapping of requirements that all returned
+            candidates must satisfy. Each key is an identifier, and the value
+            an iterator of requirements for that dependency.
+        :param incompatibilities: A mapping of known incompatibilities of
+            each dependency. Each key is an identifier, and the value an
+            iterator of incompatibilities known to the resolver. All
+            incompatibilities *must* be excluded from the return value.
+
+        This should try to get candidates based on the requirements' types.
+        For VCS, local, and archive requirements, the one-and-only match is
+        returned, and for a "named" requirement, the index(es) should be
+        consulted to find concrete candidates for this requirement.
+
+        The return value should produce candidates ordered by preference; the
+        most preferred candidate should come first. The return type may be one
+        of the following:
+
+        * A callable that returns an iterator that yields candidates.
+        * An collection of candidates.
+        * An iterable of candidates. This will be consumed immediately into a
+          list of candidates.
+        """
+        raise NotImplementedError
+
+    def is_satisfied_by(self, requirement, candidate):
+        """Whether the given requirement can be satisfied by a candidate.
+
+        The candidate is guarenteed to have been generated from the
+        requirement.
+
+        A boolean should be returned to indicate whether ``candidate`` is a
+        viable solution to the requirement.
+        """
+        raise NotImplementedError
+
+    def get_dependencies(self, candidate):
+        """Get dependencies of a candidate.
+
+        This should return a collection of requirements that `candidate`
+        specifies as its dependencies.
+        """
+        raise NotImplementedError
+
+
+class AbstractResolver(object):
+    """The thing that performs the actual resolution work."""
+
+    base_exception = Exception
+
+    def __init__(self, provider, reporter):
+        self.provider = provider
+        self.reporter = reporter
+
+    def resolve(self, requirements, **kwargs):
+        """Take a collection of constraints, spit out the resolution result.
+
+        This returns a representation of the final resolution state, with one
+        guarenteed attribute ``mapping`` that contains resolved candidates as
+        values. The keys are their respective identifiers.
+
+        :param requirements: A collection of constraints.
+        :param kwargs: Additional keyword arguments that subclasses may accept.
+
+        :raises: ``self.base_exception`` or its subclass.
+        """
+        raise NotImplementedError
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/reporters.py b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/reporters.py
new file mode 100644
index 0000000000000000000000000000000000000000..6695480fff4c87608ac2002dfb341f90ed1a5ce4
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/reporters.py
@@ -0,0 +1,43 @@
+class BaseReporter(object):
+    """Delegate class to provider progress reporting for the resolver."""
+
+    def starting(self):
+        """Called before the resolution actually starts."""
+
+    def starting_round(self, index):
+        """Called before each round of resolution starts.
+
+        The index is zero-based.
+        """
+
+    def ending_round(self, index, state):
+        """Called before each round of resolution ends.
+
+        This is NOT called if the resolution ends at this round. Use `ending`
+        if you want to report finalization. The index is zero-based.
+        """
+
+    def ending(self, state):
+        """Called before the resolution ends successfully."""
+
+    def adding_requirement(self, requirement, parent):
+        """Called when adding a new requirement into the resolve criteria.
+
+        :param requirement: The additional requirement to be applied to filter
+            the available candidaites.
+        :param parent: The candidate that requires ``requirement`` as a
+            dependency, or None if ``requirement`` is one of the root
+            requirements passed in from ``Resolver.resolve()``.
+        """
+
+    def resolving_conflicts(self, causes):
+        """Called when starting to attempt requirement conflict resolution.
+
+        :param causes: The information on the collision that caused the backtracking.
+        """
+
+    def backtracking(self, candidate):
+        """Called when rejecting a candidate during backtracking."""
+
+    def pinning(self, candidate):
+        """Called when adding a candidate to the potential solution."""
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/resolvers.py b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/resolvers.py
new file mode 100644
index 0000000000000000000000000000000000000000..787681b03e9ec2fd4490de10cdc95e58c893c8b5
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/resolvers.py
@@ -0,0 +1,482 @@
+import collections
+import operator
+
+from .providers import AbstractResolver
+from .structs import DirectedGraph, IteratorMapping, build_iter_view
+
+RequirementInformation = collections.namedtuple(
+    "RequirementInformation", ["requirement", "parent"]
+)
+
+
+class ResolverException(Exception):
+    """A base class for all exceptions raised by this module.
+
+    Exceptions derived by this class should all be handled in this module. Any
+    bubbling pass the resolver should be treated as a bug.
+    """
+
+
+class RequirementsConflicted(ResolverException):
+    def __init__(self, criterion):
+        super(RequirementsConflicted, self).__init__(criterion)
+        self.criterion = criterion
+
+    def __str__(self):
+        return "Requirements conflict: {}".format(
+            ", ".join(repr(r) for r in self.criterion.iter_requirement()),
+        )
+
+
+class InconsistentCandidate(ResolverException):
+    def __init__(self, candidate, criterion):
+        super(InconsistentCandidate, self).__init__(candidate, criterion)
+        self.candidate = candidate
+        self.criterion = criterion
+
+    def __str__(self):
+        return "Provided candidate {!r} does not satisfy {}".format(
+            self.candidate,
+            ", ".join(repr(r) for r in self.criterion.iter_requirement()),
+        )
+
+
+class Criterion(object):
+    """Representation of possible resolution results of a package.
+
+    This holds three attributes:
+
+    * `information` is a collection of `RequirementInformation` pairs.
+      Each pair is a requirement contributing to this criterion, and the
+      candidate that provides the requirement.
+    * `incompatibilities` is a collection of all known not-to-work candidates
+      to exclude from consideration.
+    * `candidates` is a collection containing all possible candidates deducted
+      from the union of contributing requirements and known incompatibilities.
+      It should never be empty, except when the criterion is an attribute of a
+      raised `RequirementsConflicted` (in which case it is always empty).
+
+    .. note::
+        This class is intended to be externally immutable. **Do not** mutate
+        any of its attribute containers.
+    """
+
+    def __init__(self, candidates, information, incompatibilities):
+        self.candidates = candidates
+        self.information = information
+        self.incompatibilities = incompatibilities
+
+    def __repr__(self):
+        requirements = ", ".join(
+            "({!r}, via={!r})".format(req, parent)
+            for req, parent in self.information
+        )
+        return "Criterion({})".format(requirements)
+
+    def iter_requirement(self):
+        return (i.requirement for i in self.information)
+
+    def iter_parent(self):
+        return (i.parent for i in self.information)
+
+
+class ResolutionError(ResolverException):
+    pass
+
+
+class ResolutionImpossible(ResolutionError):
+    def __init__(self, causes):
+        super(ResolutionImpossible, self).__init__(causes)
+        # causes is a list of RequirementInformation objects
+        self.causes = causes
+
+
+class ResolutionTooDeep(ResolutionError):
+    def __init__(self, round_count):
+        super(ResolutionTooDeep, self).__init__(round_count)
+        self.round_count = round_count
+
+
+# Resolution state in a round.
+State = collections.namedtuple("State", "mapping criteria backtrack_causes")
+
+
+class Resolution(object):
+    """Stateful resolution object.
+
+    This is designed as a one-off object that holds information to kick start
+    the resolution process, and holds the results afterwards.
+    """
+
+    def __init__(self, provider, reporter):
+        self._p = provider
+        self._r = reporter
+        self._states = []
+
+    @property
+    def state(self):
+        try:
+            return self._states[-1]
+        except IndexError:
+            raise AttributeError("state")
+
+    def _push_new_state(self):
+        """Push a new state into history.
+
+        This new state will be used to hold resolution results of the next
+        coming round.
+        """
+        base = self._states[-1]
+        state = State(
+            mapping=base.mapping.copy(),
+            criteria=base.criteria.copy(),
+            backtrack_causes=base.backtrack_causes[:],
+        )
+        self._states.append(state)
+
+    def _add_to_criteria(self, criteria, requirement, parent):
+        self._r.adding_requirement(requirement=requirement, parent=parent)
+
+        identifier = self._p.identify(requirement_or_candidate=requirement)
+        criterion = criteria.get(identifier)
+        if criterion:
+            incompatibilities = list(criterion.incompatibilities)
+        else:
+            incompatibilities = []
+
+        matches = self._p.find_matches(
+            identifier=identifier,
+            requirements=IteratorMapping(
+                criteria,
+                operator.methodcaller("iter_requirement"),
+                {identifier: [requirement]},
+            ),
+            incompatibilities=IteratorMapping(
+                criteria,
+                operator.attrgetter("incompatibilities"),
+                {identifier: incompatibilities},
+            ),
+        )
+
+        if criterion:
+            information = list(criterion.information)
+            information.append(RequirementInformation(requirement, parent))
+        else:
+            information = [RequirementInformation(requirement, parent)]
+
+        criterion = Criterion(
+            candidates=build_iter_view(matches),
+            information=information,
+            incompatibilities=incompatibilities,
+        )
+        if not criterion.candidates:
+            raise RequirementsConflicted(criterion)
+        criteria[identifier] = criterion
+
+    def _get_preference(self, name):
+        return self._p.get_preference(
+            identifier=name,
+            resolutions=self.state.mapping,
+            candidates=IteratorMapping(
+                self.state.criteria,
+                operator.attrgetter("candidates"),
+            ),
+            information=IteratorMapping(
+                self.state.criteria,
+                operator.attrgetter("information"),
+            ),
+            backtrack_causes=self.state.backtrack_causes,
+        )
+
+    def _is_current_pin_satisfying(self, name, criterion):
+        try:
+            current_pin = self.state.mapping[name]
+        except KeyError:
+            return False
+        return all(
+            self._p.is_satisfied_by(requirement=r, candidate=current_pin)
+            for r in criterion.iter_requirement()
+        )
+
+    def _get_updated_criteria(self, candidate):
+        criteria = self.state.criteria.copy()
+        for requirement in self._p.get_dependencies(candidate=candidate):
+            self._add_to_criteria(criteria, requirement, parent=candidate)
+        return criteria
+
+    def _attempt_to_pin_criterion(self, name):
+        criterion = self.state.criteria[name]
+
+        causes = []
+        for candidate in criterion.candidates:
+            try:
+                criteria = self._get_updated_criteria(candidate)
+            except RequirementsConflicted as e:
+                causes.append(e.criterion)
+                continue
+
+            # Check the newly-pinned candidate actually works. This should
+            # always pass under normal circumstances, but in the case of a
+            # faulty provider, we will raise an error to notify the implementer
+            # to fix find_matches() and/or is_satisfied_by().
+            satisfied = all(
+                self._p.is_satisfied_by(requirement=r, candidate=candidate)
+                for r in criterion.iter_requirement()
+            )
+            if not satisfied:
+                raise InconsistentCandidate(candidate, criterion)
+
+            self._r.pinning(candidate=candidate)
+            self.state.criteria.update(criteria)
+
+            # Put newly-pinned candidate at the end. This is essential because
+            # backtracking looks at this mapping to get the last pin.
+            self.state.mapping.pop(name, None)
+            self.state.mapping[name] = candidate
+
+            return []
+
+        # All candidates tried, nothing works. This criterion is a dead
+        # end, signal for backtracking.
+        return causes
+
+    def _backtrack(self):
+        """Perform backtracking.
+
+        When we enter here, the stack is like this::
+
+            [ state Z ]
+            [ state Y ]
+            [ state X ]
+            .... earlier states are irrelevant.
+
+        1. No pins worked for Z, so it does not have a pin.
+        2. We want to reset state Y to unpinned, and pin another candidate.
+        3. State X holds what state Y was before the pin, but does not
+           have the incompatibility information gathered in state Y.
+
+        Each iteration of the loop will:
+
+        1.  Discard Z.
+        2.  Discard Y but remember its incompatibility information gathered
+            previously, and the failure we're dealing with right now.
+        3.  Push a new state Y' based on X, and apply the incompatibility
+            information from Y to Y'.
+        4a. If this causes Y' to conflict, we need to backtrack again. Make Y'
+            the new Z and go back to step 2.
+        4b. If the incompatibilities apply cleanly, end backtracking.
+        """
+        while len(self._states) >= 3:
+            # Remove the state that triggered backtracking.
+            del self._states[-1]
+
+            # Retrieve the last candidate pin and known incompatibilities.
+            broken_state = self._states.pop()
+            name, candidate = broken_state.mapping.popitem()
+            incompatibilities_from_broken = [
+                (k, list(v.incompatibilities))
+                for k, v in broken_state.criteria.items()
+            ]
+
+            # Also mark the newly known incompatibility.
+            incompatibilities_from_broken.append((name, [candidate]))
+
+            self._r.backtracking(candidate=candidate)
+
+            # Create a new state from the last known-to-work one, and apply
+            # the previously gathered incompatibility information.
+            def _patch_criteria():
+                for k, incompatibilities in incompatibilities_from_broken:
+                    if not incompatibilities:
+                        continue
+                    try:
+                        criterion = self.state.criteria[k]
+                    except KeyError:
+                        continue
+                    matches = self._p.find_matches(
+                        identifier=k,
+                        requirements=IteratorMapping(
+                            self.state.criteria,
+                            operator.methodcaller("iter_requirement"),
+                        ),
+                        incompatibilities=IteratorMapping(
+                            self.state.criteria,
+                            operator.attrgetter("incompatibilities"),
+                            {k: incompatibilities},
+                        ),
+                    )
+                    candidates = build_iter_view(matches)
+                    if not candidates:
+                        return False
+                    incompatibilities.extend(criterion.incompatibilities)
+                    self.state.criteria[k] = Criterion(
+                        candidates=candidates,
+                        information=list(criterion.information),
+                        incompatibilities=incompatibilities,
+                    )
+                return True
+
+            self._push_new_state()
+            success = _patch_criteria()
+
+            # It works! Let's work on this new state.
+            if success:
+                return True
+
+            # State does not work after applying known incompatibilities.
+            # Try the still previous state.
+
+        # No way to backtrack anymore.
+        return False
+
+    def resolve(self, requirements, max_rounds):
+        if self._states:
+            raise RuntimeError("already resolved")
+
+        self._r.starting()
+
+        # Initialize the root state.
+        self._states = [
+            State(
+                mapping=collections.OrderedDict(),
+                criteria={},
+                backtrack_causes=[],
+            )
+        ]
+        for r in requirements:
+            try:
+                self._add_to_criteria(self.state.criteria, r, parent=None)
+            except RequirementsConflicted as e:
+                raise ResolutionImpossible(e.criterion.information)
+
+        # The root state is saved as a sentinel so the first ever pin can have
+        # something to backtrack to if it fails. The root state is basically
+        # pinning the virtual "root" package in the graph.
+        self._push_new_state()
+
+        for round_index in range(max_rounds):
+            self._r.starting_round(index=round_index)
+
+            unsatisfied_names = [
+                key
+                for key, criterion in self.state.criteria.items()
+                if not self._is_current_pin_satisfying(key, criterion)
+            ]
+
+            # All criteria are accounted for. Nothing more to pin, we are done!
+            if not unsatisfied_names:
+                self._r.ending(state=self.state)
+                return self.state
+
+            # Choose the most preferred unpinned criterion to try.
+            name = min(unsatisfied_names, key=self._get_preference)
+            failure_causes = self._attempt_to_pin_criterion(name)
+
+            if failure_causes:
+                causes = [i for c in failure_causes for i in c.information]
+                # Backtrack if pinning fails. The backtrack process puts us in
+                # an unpinned state, so we can work on it in the next round.
+                self._r.resolving_conflicts(causes=causes)
+                success = self._backtrack()
+                self.state.backtrack_causes[:] = causes
+
+                # Dead ends everywhere. Give up.
+                if not success:
+                    raise ResolutionImpossible(self.state.backtrack_causes)
+            else:
+                # Pinning was successful. Push a new state to do another pin.
+                self._push_new_state()
+
+            self._r.ending_round(index=round_index, state=self.state)
+
+        raise ResolutionTooDeep(max_rounds)
+
+
+def _has_route_to_root(criteria, key, all_keys, connected):
+    if key in connected:
+        return True
+    if key not in criteria:
+        return False
+    for p in criteria[key].iter_parent():
+        try:
+            pkey = all_keys[id(p)]
+        except KeyError:
+            continue
+        if pkey in connected:
+            connected.add(key)
+            return True
+        if _has_route_to_root(criteria, pkey, all_keys, connected):
+            connected.add(key)
+            return True
+    return False
+
+
+Result = collections.namedtuple("Result", "mapping graph criteria")
+
+
+def _build_result(state):
+    mapping = state.mapping
+    all_keys = {id(v): k for k, v in mapping.items()}
+    all_keys[id(None)] = None
+
+    graph = DirectedGraph()
+    graph.add(None)  # Sentinel as root dependencies' parent.
+
+    connected = {None}
+    for key, criterion in state.criteria.items():
+        if not _has_route_to_root(state.criteria, key, all_keys, connected):
+            continue
+        if key not in graph:
+            graph.add(key)
+        for p in criterion.iter_parent():
+            try:
+                pkey = all_keys[id(p)]
+            except KeyError:
+                continue
+            if pkey not in graph:
+                graph.add(pkey)
+            graph.connect(pkey, key)
+
+    return Result(
+        mapping={k: v for k, v in mapping.items() if k in connected},
+        graph=graph,
+        criteria=state.criteria,
+    )
+
+
+class Resolver(AbstractResolver):
+    """The thing that performs the actual resolution work."""
+
+    base_exception = ResolverException
+
+    def resolve(self, requirements, max_rounds=100):
+        """Take a collection of constraints, spit out the resolution result.
+
+        The return value is a representation to the final resolution result. It
+        is a tuple subclass with three public members:
+
+        * `mapping`: A dict of resolved candidates. Each key is an identifier
+            of a requirement (as returned by the provider's `identify` method),
+            and the value is the resolved candidate.
+        * `graph`: A `DirectedGraph` instance representing the dependency tree.
+            The vertices are keys of `mapping`, and each edge represents *why*
+            a particular package is included. A special vertex `None` is
+            included to represent parents of user-supplied requirements.
+        * `criteria`: A dict of "criteria" that hold detailed information on
+            how edges in the graph are derived. Each key is an identifier of a
+            requirement, and the value is a `Criterion` instance.
+
+        The following exceptions may be raised if a resolution cannot be found:
+
+        * `ResolutionImpossible`: A resolution cannot be found for the given
+            combination of requirements. The `causes` attribute of the
+            exception is a list of (requirement, parent), giving the
+            requirements that could not be satisfied.
+        * `ResolutionTooDeep`: The dependency tree is too deeply nested and
+            the resolver gave up. This is usually caused by a circular
+            dependency, but you can try to resolve this by increasing the
+            `max_rounds` argument.
+        """
+        resolution = Resolution(self.provider, self.reporter)
+        state = resolution.resolve(requirements, max_rounds=max_rounds)
+        return _build_result(state)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/structs.py b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/structs.py
new file mode 100644
index 0000000000000000000000000000000000000000..93d1568bd4d5d63281b798b09cedbafdfaa158ee
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/resolvelib/structs.py
@@ -0,0 +1,165 @@
+import itertools
+
+from .compat import collections_abc
+
+
+class DirectedGraph(object):
+    """A graph structure with directed edges."""
+
+    def __init__(self):
+        self._vertices = set()
+        self._forwards = {}  # <key> -> Set[<key>]
+        self._backwards = {}  # <key> -> Set[<key>]
+
+    def __iter__(self):
+        return iter(self._vertices)
+
+    def __len__(self):
+        return len(self._vertices)
+
+    def __contains__(self, key):
+        return key in self._vertices
+
+    def copy(self):
+        """Return a shallow copy of this graph."""
+        other = DirectedGraph()
+        other._vertices = set(self._vertices)
+        other._forwards = {k: set(v) for k, v in self._forwards.items()}
+        other._backwards = {k: set(v) for k, v in self._backwards.items()}
+        return other
+
+    def add(self, key):
+        """Add a new vertex to the graph."""
+        if key in self._vertices:
+            raise ValueError("vertex exists")
+        self._vertices.add(key)
+        self._forwards[key] = set()
+        self._backwards[key] = set()
+
+    def remove(self, key):
+        """Remove a vertex from the graph, disconnecting all edges from/to it."""
+        self._vertices.remove(key)
+        for f in self._forwards.pop(key):
+            self._backwards[f].remove(key)
+        for t in self._backwards.pop(key):
+            self._forwards[t].remove(key)
+
+    def connected(self, f, t):
+        return f in self._backwards[t] and t in self._forwards[f]
+
+    def connect(self, f, t):
+        """Connect two existing vertices.
+
+        Nothing happens if the vertices are already connected.
+        """
+        if t not in self._vertices:
+            raise KeyError(t)
+        self._forwards[f].add(t)
+        self._backwards[t].add(f)
+
+    def iter_edges(self):
+        for f, children in self._forwards.items():
+            for t in children:
+                yield f, t
+
+    def iter_children(self, key):
+        return iter(self._forwards[key])
+
+    def iter_parents(self, key):
+        return iter(self._backwards[key])
+
+
+class IteratorMapping(collections_abc.Mapping):
+    def __init__(self, mapping, accessor, appends=None):
+        self._mapping = mapping
+        self._accessor = accessor
+        self._appends = appends or {}
+
+    def __repr__(self):
+        return "IteratorMapping({!r}, {!r}, {!r})".format(
+            self._mapping,
+            self._accessor,
+            self._appends,
+        )
+
+    def __bool__(self):
+        return bool(self._mapping or self._appends)
+
+    __nonzero__ = __bool__  # XXX: Python 2.
+
+    def __contains__(self, key):
+        return key in self._mapping or key in self._appends
+
+    def __getitem__(self, k):
+        try:
+            v = self._mapping[k]
+        except KeyError:
+            return iter(self._appends[k])
+        return itertools.chain(self._accessor(v), self._appends.get(k, ()))
+
+    def __iter__(self):
+        more = (k for k in self._appends if k not in self._mapping)
+        return itertools.chain(self._mapping, more)
+
+    def __len__(self):
+        more = sum(1 for k in self._appends if k not in self._mapping)
+        return len(self._mapping) + more
+
+
+class _FactoryIterableView(object):
+    """Wrap an iterator factory returned by `find_matches()`.
+
+    Calling `iter()` on this class would invoke the underlying iterator
+    factory, making it a "collection with ordering" that can be iterated
+    through multiple times, but lacks random access methods presented in
+    built-in Python sequence types.
+    """
+
+    def __init__(self, factory):
+        self._factory = factory
+
+    def __repr__(self):
+        return "{}({})".format(type(self).__name__, list(self._factory()))
+
+    def __bool__(self):
+        try:
+            next(self._factory())
+        except StopIteration:
+            return False
+        return True
+
+    __nonzero__ = __bool__  # XXX: Python 2.
+
+    def __iter__(self):
+        return self._factory()
+
+
+class _SequenceIterableView(object):
+    """Wrap an iterable returned by find_matches().
+
+    This is essentially just a proxy to the underlying sequence that provides
+    the same interface as `_FactoryIterableView`.
+    """
+
+    def __init__(self, sequence):
+        self._sequence = sequence
+
+    def __repr__(self):
+        return "{}({})".format(type(self).__name__, self._sequence)
+
+    def __bool__(self):
+        return bool(self._sequence)
+
+    __nonzero__ = __bool__  # XXX: Python 2.
+
+    def __iter__(self):
+        return iter(self._sequence)
+
+
+def build_iter_view(matches):
+    """Build an iterable view from the value returned by `find_matches()`."""
+    if callable(matches):
+        return _FactoryIterableView(matches)
+    if not isinstance(matches, collections_abc.Sequence):
+        matches = list(matches)
+    return _SequenceIterableView(matches)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..50f3815761176cc8af5eccf964e2dccc78c3ad72
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/__init__.py
@@ -0,0 +1,172 @@
+"""Rich text and beautiful formatting in the terminal."""
+
+import os
+from typing import Callable, IO, TYPE_CHECKING, Any, Optional
+
+from ._extension import load_ipython_extension
+
+__all__ = ["get_console", "reconfigure", "print", "inspect"]
+
+if TYPE_CHECKING:
+    from .console import Console
+
+# Global console used by alternative print
+_console: Optional["Console"] = None
+
+_IMPORT_CWD = os.path.abspath(os.getcwd())
+
+
+def get_console() -> "Console":
+    """Get a global :class:`~rich.console.Console` instance. This function is used when Rich requires a Console,
+    and hasn't been explicitly given one.
+
+    Returns:
+        Console: A console instance.
+    """
+    global _console
+    if _console is None:
+        from .console import Console
+
+        _console = Console()
+
+    return _console
+
+
+def reconfigure(*args: Any, **kwargs: Any) -> None:
+    """Reconfigures the global console by replacing it with another.
+
+    Args:
+        console (Console): Replacement console instance.
+    """
+    from pip._vendor.rich.console import Console
+
+    new_console = Console(*args, **kwargs)
+    _console = get_console()
+    _console.__dict__ = new_console.__dict__
+
+
+def print(
+    *objects: Any,
+    sep: str = " ",
+    end: str = "\n",
+    file: Optional[IO[str]] = None,
+    flush: bool = False,
+) -> None:
+    r"""Print object(s) supplied via positional arguments.
+    This function has an identical signature to the built-in print.
+    For more advanced features, see the :class:`~rich.console.Console` class.
+
+    Args:
+        sep (str, optional): Separator between printed objects. Defaults to " ".
+        end (str, optional): Character to write at end of output. Defaults to "\\n".
+        file (IO[str], optional): File to write to, or None for stdout. Defaults to None.
+        flush (bool, optional): Has no effect as Rich always flushes output. Defaults to False.
+
+    """
+    from .console import Console
+
+    write_console = get_console() if file is None else Console(file=file)
+    return write_console.print(*objects, sep=sep, end=end)
+
+
+def print_json(
+    json: Optional[str] = None,
+    *,
+    data: Any = None,
+    indent: int = 2,
+    highlight: bool = True,
+    skip_keys: bool = False,
+    ensure_ascii: bool = True,
+    check_circular: bool = True,
+    allow_nan: bool = True,
+    default: Optional[Callable[[Any], Any]] = None,
+    sort_keys: bool = False,
+) -> None:
+    """Pretty prints JSON. Output will be valid JSON.
+
+    Args:
+        json (str): A string containing JSON.
+        data (Any): If json is not supplied, then encode this data.
+        indent (int, optional): Number of spaces to indent. Defaults to 2.
+        highlight (bool, optional): Enable highlighting of output: Defaults to True.
+        skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+        ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+        check_circular (bool, optional): Check for circular references. Defaults to True.
+        allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+        default (Callable, optional): A callable that converts values that can not be encoded
+            in to something that can be JSON encoded. Defaults to None.
+        sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+    """
+
+    get_console().print_json(
+        json,
+        data=data,
+        indent=indent,
+        highlight=highlight,
+        skip_keys=skip_keys,
+        ensure_ascii=ensure_ascii,
+        check_circular=check_circular,
+        allow_nan=allow_nan,
+        default=default,
+        sort_keys=sort_keys,
+    )
+
+
+def inspect(
+    obj: Any,
+    *,
+    console: Optional["Console"] = None,
+    title: Optional[str] = None,
+    help: bool = False,
+    methods: bool = False,
+    docs: bool = True,
+    private: bool = False,
+    dunder: bool = False,
+    sort: bool = True,
+    all: bool = False,
+    value: bool = True,
+) -> None:
+    """Inspect any Python object.
+
+    * inspect(<OBJECT>) to see summarized info.
+    * inspect(<OBJECT>, methods=True) to see methods.
+    * inspect(<OBJECT>, help=True) to see full (non-abbreviated) help.
+    * inspect(<OBJECT>, private=True) to see private attributes (single underscore).
+    * inspect(<OBJECT>, dunder=True) to see attributes beginning with double underscore.
+    * inspect(<OBJECT>, all=True) to see all attributes.
+
+    Args:
+        obj (Any): An object to inspect.
+        title (str, optional): Title to display over inspect result, or None use type. Defaults to None.
+        help (bool, optional): Show full help text rather than just first paragraph. Defaults to False.
+        methods (bool, optional): Enable inspection of callables. Defaults to False.
+        docs (bool, optional): Also render doc strings. Defaults to True.
+        private (bool, optional): Show private attributes (beginning with underscore). Defaults to False.
+        dunder (bool, optional): Show attributes starting with double underscore. Defaults to False.
+        sort (bool, optional): Sort attributes alphabetically. Defaults to True.
+        all (bool, optional): Show all attributes. Defaults to False.
+        value (bool, optional): Pretty print value. Defaults to True.
+    """
+    _console = console or get_console()
+    from pip._vendor.rich._inspect import Inspect
+
+    # Special case for inspect(inspect)
+    is_inspect = obj is inspect
+
+    _inspect = Inspect(
+        obj,
+        title=title,
+        help=is_inspect or help,
+        methods=is_inspect or methods,
+        docs=is_inspect or docs,
+        private=private,
+        dunder=dunder,
+        sort=sort,
+        all=all,
+        value=value,
+    )
+    _console.print(_inspect)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    print("Hello, **World**")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/__main__.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/__main__.py
new file mode 100644
index 0000000000000000000000000000000000000000..8692d37e00b32771a40a85d206642f550e1f9eeb
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/__main__.py
@@ -0,0 +1,280 @@
+import colorsys
+import io
+from time import process_time
+
+from pip._vendor.rich import box
+from pip._vendor.rich.color import Color
+from pip._vendor.rich.console import Console, ConsoleOptions, Group, RenderableType, RenderResult
+from pip._vendor.rich.markdown import Markdown
+from pip._vendor.rich.measure import Measurement
+from pip._vendor.rich.pretty import Pretty
+from pip._vendor.rich.segment import Segment
+from pip._vendor.rich.style import Style
+from pip._vendor.rich.syntax import Syntax
+from pip._vendor.rich.table import Table
+from pip._vendor.rich.text import Text
+
+
+class ColorBox:
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        for y in range(0, 5):
+            for x in range(options.max_width):
+                h = x / options.max_width
+                l = 0.1 + ((y / 5) * 0.7)
+                r1, g1, b1 = colorsys.hls_to_rgb(h, l, 1.0)
+                r2, g2, b2 = colorsys.hls_to_rgb(h, l + 0.7 / 10, 1.0)
+                bgcolor = Color.from_rgb(r1 * 255, g1 * 255, b1 * 255)
+                color = Color.from_rgb(r2 * 255, g2 * 255, b2 * 255)
+                yield Segment("▄", Style(color=color, bgcolor=bgcolor))
+            yield Segment.line()
+
+    def __rich_measure__(
+        self, console: "Console", options: ConsoleOptions
+    ) -> Measurement:
+        return Measurement(1, options.max_width)
+
+
+def make_test_card() -> Table:
+    """Get a renderable that demonstrates a number of features."""
+    table = Table.grid(padding=1, pad_edge=True)
+    table.title = "Rich features"
+    table.add_column("Feature", no_wrap=True, justify="center", style="bold red")
+    table.add_column("Demonstration")
+
+    color_table = Table(
+        box=None,
+        expand=False,
+        show_header=False,
+        show_edge=False,
+        pad_edge=False,
+    )
+    color_table.add_row(
+        # "[bold yellow]256[/] colors or [bold green]16.7 million[/] colors [blue](if supported by your terminal)[/].",
+        (
+            "✓ [bold green]4-bit color[/]\n"
+            "✓ [bold blue]8-bit color[/]\n"
+            "✓ [bold magenta]Truecolor (16.7 million)[/]\n"
+            "✓ [bold yellow]Dumb terminals[/]\n"
+            "✓ [bold cyan]Automatic color conversion"
+        ),
+        ColorBox(),
+    )
+
+    table.add_row("Colors", color_table)
+
+    table.add_row(
+        "Styles",
+        "All ansi styles: [bold]bold[/], [dim]dim[/], [italic]italic[/italic], [underline]underline[/], [strike]strikethrough[/], [reverse]reverse[/], and even [blink]blink[/].",
+    )
+
+    lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque in metus sed sapien ultricies pretium a at justo. Maecenas luctus velit et auctor maximus."
+    lorem_table = Table.grid(padding=1, collapse_padding=True)
+    lorem_table.pad_edge = False
+    lorem_table.add_row(
+        Text(lorem, justify="left", style="green"),
+        Text(lorem, justify="center", style="yellow"),
+        Text(lorem, justify="right", style="blue"),
+        Text(lorem, justify="full", style="red"),
+    )
+    table.add_row(
+        "Text",
+        Group(
+            Text.from_markup(
+                """Word wrap text. Justify [green]left[/], [yellow]center[/], [blue]right[/] or [red]full[/].\n"""
+            ),
+            lorem_table,
+        ),
+    )
+
+    def comparison(renderable1: RenderableType, renderable2: RenderableType) -> Table:
+        table = Table(show_header=False, pad_edge=False, box=None, expand=True)
+        table.add_column("1", ratio=1)
+        table.add_column("2", ratio=1)
+        table.add_row(renderable1, renderable2)
+        return table
+
+    table.add_row(
+        "Asian\nlanguage\nsupport",
+        ":flag_for_china:  该库支持中文，日文和韩文文本！\n:flag_for_japan:  ライブラリは中国語、日本語、韓国語のテキストをサポートしています\n:flag_for_south_korea:  이 라이브러리는 중국어, 일본어 및 한국어 텍스트를 지원합니다",
+    )
+
+    markup_example = (
+        "[bold magenta]Rich[/] supports a simple [i]bbcode[/i]-like [b]markup[/b] for [yellow]color[/], [underline]style[/], and emoji! "
+        ":+1: :apple: :ant: :bear: :baguette_bread: :bus: "
+    )
+    table.add_row("Markup", markup_example)
+
+    example_table = Table(
+        show_edge=False,
+        show_header=True,
+        expand=False,
+        row_styles=["none", "dim"],
+        box=box.SIMPLE,
+    )
+    example_table.add_column("[green]Date", style="green", no_wrap=True)
+    example_table.add_column("[blue]Title", style="blue")
+    example_table.add_column(
+        "[cyan]Production Budget",
+        style="cyan",
+        justify="right",
+        no_wrap=True,
+    )
+    example_table.add_column(
+        "[magenta]Box Office",
+        style="magenta",
+        justify="right",
+        no_wrap=True,
+    )
+    example_table.add_row(
+        "Dec 20, 2019",
+        "Star Wars: The Rise of Skywalker",
+        "$275,000,000",
+        "$375,126,118",
+    )
+    example_table.add_row(
+        "May 25, 2018",
+        "[b]Solo[/]: A Star Wars Story",
+        "$275,000,000",
+        "$393,151,347",
+    )
+    example_table.add_row(
+        "Dec 15, 2017",
+        "Star Wars Ep. VIII: The Last Jedi",
+        "$262,000,000",
+        "[bold]$1,332,539,889[/bold]",
+    )
+    example_table.add_row(
+        "May 19, 1999",
+        "Star Wars Ep. [b]I[/b]: [i]The phantom Menace",
+        "$115,000,000",
+        "$1,027,044,677",
+    )
+
+    table.add_row("Tables", example_table)
+
+    code = '''\
+def iter_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value'''
+
+    pretty_data = {
+        "foo": [
+            3.1427,
+            (
+                "Paul Atreides",
+                "Vladimir Harkonnen",
+                "Thufir Hawat",
+            ),
+        ],
+        "atomic": (False, True, None),
+    }
+    table.add_row(
+        "Syntax\nhighlighting\n&\npretty\nprinting",
+        comparison(
+            Syntax(code, "python3", line_numbers=True, indent_guides=True),
+            Pretty(pretty_data, indent_guides=True),
+        ),
+    )
+
+    markdown_example = """\
+# Markdown
+
+Supports much of the *markdown* __syntax__!
+
+- Headers
+- Basic formatting: **bold**, *italic*, `code`
+- Block quotes
+- Lists, and more...
+    """
+    table.add_row(
+        "Markdown", comparison("[cyan]" + markdown_example, Markdown(markdown_example))
+    )
+
+    table.add_row(
+        "+more!",
+        """Progress bars, columns, styled logging handler, tracebacks, etc...""",
+    )
+    return table
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    console = Console(
+        file=io.StringIO(),
+        force_terminal=True,
+    )
+    test_card = make_test_card()
+
+    # Print once to warm cache
+    start = process_time()
+    console.print(test_card)
+    pre_cache_taken = round((process_time() - start) * 1000.0, 1)
+
+    console.file = io.StringIO()
+
+    start = process_time()
+    console.print(test_card)
+    taken = round((process_time() - start) * 1000.0, 1)
+
+    text = console.file.getvalue()
+    # https://bugs.python.org/issue37871
+    for line in text.splitlines(True):
+        print(line, end="")
+
+    print(f"rendered in {pre_cache_taken}ms (cold cache)")
+    print(f"rendered in {taken}ms (warm cache)")
+
+    from pip._vendor.rich.panel import Panel
+
+    console = Console()
+
+    sponsor_message = Table.grid(padding=1)
+    sponsor_message.add_column(style="green", justify="right")
+    sponsor_message.add_column(no_wrap=True)
+
+    sponsor_message.add_row(
+        "Buy devs a :coffee:",
+        "[u blue link=https://ko-fi.com/textualize]https://ko-fi.com/textualize",
+    )
+    sponsor_message.add_row(
+        "Twitter",
+        "[u blue link=https://twitter.com/willmcgugan]https://twitter.com/willmcgugan",
+    )
+    sponsor_message.add_row(
+        "Blog", "[u blue link=https://www.willmcgugan.com]https://www.willmcgugan.com"
+    )
+
+    intro_message = Text.from_markup(
+        """\
+We hope you enjoy using Rich!
+
+Rich is maintained with :heart: by [link=https://www.textualize.io]Textualize.io[/]
+
+- Will McGugan"""
+    )
+
+    message = Table.grid(padding=2)
+    message.add_column()
+    message.add_column(no_wrap=True)
+    message.add_row(intro_message, sponsor_message)
+
+    console.print(
+        Panel.fit(
+            message,
+            box=box.ROUNDED,
+            padding=(1, 2),
+            title="[b red]Thanks for trying out Rich!",
+            border_style="bright_blue",
+        ),
+        justify="center",
+    )
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_emoji_codes.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_emoji_codes.py
new file mode 100644
index 0000000000000000000000000000000000000000..1f2877bb2bd520253502b1c05bb811bb0d7ef64c
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_emoji_codes.py
@@ -0,0 +1,3610 @@
+EMOJI = {
+    "1st_place_medal": "🥇",
+    "2nd_place_medal": "🥈",
+    "3rd_place_medal": "🥉",
+    "ab_button_(blood_type)": "🆎",
+    "atm_sign": "🏧",
+    "a_button_(blood_type)": "🅰",
+    "afghanistan": "🇦🇫",
+    "albania": "🇦🇱",
+    "algeria": "🇩🇿",
+    "american_samoa": "🇦🇸",
+    "andorra": "🇦🇩",
+    "angola": "🇦🇴",
+    "anguilla": "🇦🇮",
+    "antarctica": "🇦🇶",
+    "antigua_&_barbuda": "🇦🇬",
+    "aquarius": "♒",
+    "argentina": "🇦🇷",
+    "aries": "♈",
+    "armenia": "🇦🇲",
+    "aruba": "🇦🇼",
+    "ascension_island": "🇦🇨",
+    "australia": "🇦🇺",
+    "austria": "🇦🇹",
+    "azerbaijan": "🇦🇿",
+    "back_arrow": "🔙",
+    "b_button_(blood_type)": "🅱",
+    "bahamas": "🇧🇸",
+    "bahrain": "🇧🇭",
+    "bangladesh": "🇧🇩",
+    "barbados": "🇧🇧",
+    "belarus": "🇧🇾",
+    "belgium": "🇧🇪",
+    "belize": "🇧🇿",
+    "benin": "🇧🇯",
+    "bermuda": "🇧🇲",
+    "bhutan": "🇧🇹",
+    "bolivia": "🇧🇴",
+    "bosnia_&_herzegovina": "🇧🇦",
+    "botswana": "🇧🇼",
+    "bouvet_island": "🇧🇻",
+    "brazil": "🇧🇷",
+    "british_indian_ocean_territory": "🇮🇴",
+    "british_virgin_islands": "🇻🇬",
+    "brunei": "🇧🇳",
+    "bulgaria": "🇧🇬",
+    "burkina_faso": "🇧🇫",
+    "burundi": "🇧🇮",
+    "cl_button": "🆑",
+    "cool_button": "🆒",
+    "cambodia": "🇰🇭",
+    "cameroon": "🇨🇲",
+    "canada": "🇨🇦",
+    "canary_islands": "🇮🇨",
+    "cancer": "♋",
+    "cape_verde": "🇨🇻",
+    "capricorn": "♑",
+    "caribbean_netherlands": "🇧🇶",
+    "cayman_islands": "🇰🇾",
+    "central_african_republic": "🇨🇫",
+    "ceuta_&_melilla": "🇪🇦",
+    "chad": "🇹🇩",
+    "chile": "🇨🇱",
+    "china": "🇨🇳",
+    "christmas_island": "🇨🇽",
+    "christmas_tree": "🎄",
+    "clipperton_island": "🇨🇵",
+    "cocos_(keeling)_islands": "🇨🇨",
+    "colombia": "🇨🇴",
+    "comoros": "🇰🇲",
+    "congo_-_brazzaville": "🇨🇬",
+    "congo_-_kinshasa": "🇨🇩",
+    "cook_islands": "🇨🇰",
+    "costa_rica": "🇨🇷",
+    "croatia": "🇭🇷",
+    "cuba": "🇨🇺",
+    "curaçao": "🇨🇼",
+    "cyprus": "🇨🇾",
+    "czechia": "🇨🇿",
+    "côte_d’ivoire": "🇨🇮",
+    "denmark": "🇩🇰",
+    "diego_garcia": "🇩🇬",
+    "djibouti": "🇩🇯",
+    "dominica": "🇩🇲",
+    "dominican_republic": "🇩🇴",
+    "end_arrow": "🔚",
+    "ecuador": "🇪🇨",
+    "egypt": "🇪🇬",
+    "el_salvador": "🇸🇻",
+    "england": "🏴\U000e0067\U000e0062\U000e0065\U000e006e\U000e0067\U000e007f",
+    "equatorial_guinea": "🇬🇶",
+    "eritrea": "🇪🇷",
+    "estonia": "🇪🇪",
+    "ethiopia": "🇪🇹",
+    "european_union": "🇪🇺",
+    "free_button": "🆓",
+    "falkland_islands": "🇫🇰",
+    "faroe_islands": "🇫🇴",
+    "fiji": "🇫🇯",
+    "finland": "🇫🇮",
+    "france": "🇫🇷",
+    "french_guiana": "🇬🇫",
+    "french_polynesia": "🇵🇫",
+    "french_southern_territories": "🇹🇫",
+    "gabon": "🇬🇦",
+    "gambia": "🇬🇲",
+    "gemini": "♊",
+    "georgia": "🇬🇪",
+    "germany": "🇩🇪",
+    "ghana": "🇬🇭",
+    "gibraltar": "🇬🇮",
+    "greece": "🇬🇷",
+    "greenland": "🇬🇱",
+    "grenada": "🇬🇩",
+    "guadeloupe": "🇬🇵",
+    "guam": "🇬🇺",
+    "guatemala": "🇬🇹",
+    "guernsey": "🇬🇬",
+    "guinea": "🇬🇳",
+    "guinea-bissau": "🇬🇼",
+    "guyana": "🇬🇾",
+    "haiti": "🇭🇹",
+    "heard_&_mcdonald_islands": "🇭🇲",
+    "honduras": "🇭🇳",
+    "hong_kong_sar_china": "🇭🇰",
+    "hungary": "🇭🇺",
+    "id_button": "🆔",
+    "iceland": "🇮🇸",
+    "india": "🇮🇳",
+    "indonesia": "🇮🇩",
+    "iran": "🇮🇷",
+    "iraq": "🇮🇶",
+    "ireland": "🇮🇪",
+    "isle_of_man": "🇮🇲",
+    "israel": "🇮🇱",
+    "italy": "🇮🇹",
+    "jamaica": "🇯🇲",
+    "japan": "🗾",
+    "japanese_acceptable_button": "🉑",
+    "japanese_application_button": "🈸",
+    "japanese_bargain_button": "🉐",
+    "japanese_castle": "🏯",
+    "japanese_congratulations_button": "㊗",
+    "japanese_discount_button": "🈹",
+    "japanese_dolls": "🎎",
+    "japanese_free_of_charge_button": "🈚",
+    "japanese_here_button": "🈁",
+    "japanese_monthly_amount_button": "🈷",
+    "japanese_no_vacancy_button": "🈵",
+    "japanese_not_free_of_charge_button": "🈶",
+    "japanese_open_for_business_button": "🈺",
+    "japanese_passing_grade_button": "🈴",
+    "japanese_post_office": "🏣",
+    "japanese_prohibited_button": "🈲",
+    "japanese_reserved_button": "🈯",
+    "japanese_secret_button": "㊙",
+    "japanese_service_charge_button": "🈂",
+    "japanese_symbol_for_beginner": "🔰",
+    "japanese_vacancy_button": "🈳",
+    "jersey": "🇯🇪",
+    "jordan": "🇯🇴",
+    "kazakhstan": "🇰🇿",
+    "kenya": "🇰🇪",
+    "kiribati": "🇰🇮",
+    "kosovo": "🇽🇰",
+    "kuwait": "🇰🇼",
+    "kyrgyzstan": "🇰🇬",
+    "laos": "🇱🇦",
+    "latvia": "🇱🇻",
+    "lebanon": "🇱🇧",
+    "leo": "♌",
+    "lesotho": "🇱🇸",
+    "liberia": "🇱🇷",
+    "libra": "♎",
+    "libya": "🇱🇾",
+    "liechtenstein": "🇱🇮",
+    "lithuania": "🇱🇹",
+    "luxembourg": "🇱🇺",
+    "macau_sar_china": "🇲🇴",
+    "macedonia": "🇲🇰",
+    "madagascar": "🇲🇬",
+    "malawi": "🇲🇼",
+    "malaysia": "🇲🇾",
+    "maldives": "🇲🇻",
+    "mali": "🇲🇱",
+    "malta": "🇲🇹",
+    "marshall_islands": "🇲🇭",
+    "martinique": "🇲🇶",
+    "mauritania": "🇲🇷",
+    "mauritius": "🇲🇺",
+    "mayotte": "🇾🇹",
+    "mexico": "🇲🇽",
+    "micronesia": "🇫🇲",
+    "moldova": "🇲🇩",
+    "monaco": "🇲🇨",
+    "mongolia": "🇲🇳",
+    "montenegro": "🇲🇪",
+    "montserrat": "🇲🇸",
+    "morocco": "🇲🇦",
+    "mozambique": "🇲🇿",
+    "mrs._claus": "🤶",
+    "mrs._claus_dark_skin_tone": "🤶🏿",
+    "mrs._claus_light_skin_tone": "🤶🏻",
+    "mrs._claus_medium-dark_skin_tone": "🤶🏾",
+    "mrs._claus_medium-light_skin_tone": "🤶🏼",
+    "mrs._claus_medium_skin_tone": "🤶🏽",
+    "myanmar_(burma)": "🇲🇲",
+    "new_button": "🆕",
+    "ng_button": "🆖",
+    "namibia": "🇳🇦",
+    "nauru": "🇳🇷",
+    "nepal": "🇳🇵",
+    "netherlands": "🇳🇱",
+    "new_caledonia": "🇳🇨",
+    "new_zealand": "🇳🇿",
+    "nicaragua": "🇳🇮",
+    "niger": "🇳🇪",
+    "nigeria": "🇳🇬",
+    "niue": "🇳🇺",
+    "norfolk_island": "🇳🇫",
+    "north_korea": "🇰🇵",
+    "northern_mariana_islands": "🇲🇵",
+    "norway": "🇳🇴",
+    "ok_button": "🆗",
+    "ok_hand": "👌",
+    "ok_hand_dark_skin_tone": "👌🏿",
+    "ok_hand_light_skin_tone": "👌🏻",
+    "ok_hand_medium-dark_skin_tone": "👌🏾",
+    "ok_hand_medium-light_skin_tone": "👌🏼",
+    "ok_hand_medium_skin_tone": "👌🏽",
+    "on!_arrow": "🔛",
+    "o_button_(blood_type)": "🅾",
+    "oman": "🇴🇲",
+    "ophiuchus": "⛎",
+    "p_button": "🅿",
+    "pakistan": "🇵🇰",
+    "palau": "🇵🇼",
+    "palestinian_territories": "🇵🇸",
+    "panama": "🇵🇦",
+    "papua_new_guinea": "🇵🇬",
+    "paraguay": "🇵🇾",
+    "peru": "🇵🇪",
+    "philippines": "🇵🇭",
+    "pisces": "♓",
+    "pitcairn_islands": "🇵🇳",
+    "poland": "🇵🇱",
+    "portugal": "🇵🇹",
+    "puerto_rico": "🇵🇷",
+    "qatar": "🇶🇦",
+    "romania": "🇷🇴",
+    "russia": "🇷🇺",
+    "rwanda": "🇷🇼",
+    "réunion": "🇷🇪",
+    "soon_arrow": "🔜",
+    "sos_button": "🆘",
+    "sagittarius": "♐",
+    "samoa": "🇼🇸",
+    "san_marino": "🇸🇲",
+    "santa_claus": "🎅",
+    "santa_claus_dark_skin_tone": "🎅🏿",
+    "santa_claus_light_skin_tone": "🎅🏻",
+    "santa_claus_medium-dark_skin_tone": "🎅🏾",
+    "santa_claus_medium-light_skin_tone": "🎅🏼",
+    "santa_claus_medium_skin_tone": "🎅🏽",
+    "saudi_arabia": "🇸🇦",
+    "scorpio": "♏",
+    "scotland": "🏴\U000e0067\U000e0062\U000e0073\U000e0063\U000e0074\U000e007f",
+    "senegal": "🇸🇳",
+    "serbia": "🇷🇸",
+    "seychelles": "🇸🇨",
+    "sierra_leone": "🇸🇱",
+    "singapore": "🇸🇬",
+    "sint_maarten": "🇸🇽",
+    "slovakia": "🇸🇰",
+    "slovenia": "🇸🇮",
+    "solomon_islands": "🇸🇧",
+    "somalia": "🇸🇴",
+    "south_africa": "🇿🇦",
+    "south_georgia_&_south_sandwich_islands": "🇬🇸",
+    "south_korea": "🇰🇷",
+    "south_sudan": "🇸🇸",
+    "spain": "🇪🇸",
+    "sri_lanka": "🇱🇰",
+    "st._barthélemy": "🇧🇱",
+    "st._helena": "🇸🇭",
+    "st._kitts_&_nevis": "🇰🇳",
+    "st._lucia": "🇱🇨",
+    "st._martin": "🇲🇫",
+    "st._pierre_&_miquelon": "🇵🇲",
+    "st._vincent_&_grenadines": "🇻🇨",
+    "statue_of_liberty": "🗽",
+    "sudan": "🇸🇩",
+    "suriname": "🇸🇷",
+    "svalbard_&_jan_mayen": "🇸🇯",
+    "swaziland": "🇸🇿",
+    "sweden": "🇸🇪",
+    "switzerland": "🇨🇭",
+    "syria": "🇸🇾",
+    "são_tomé_&_príncipe": "🇸🇹",
+    "t-rex": "🦖",
+    "top_arrow": "🔝",
+    "taiwan": "🇹🇼",
+    "tajikistan": "🇹🇯",
+    "tanzania": "🇹🇿",
+    "taurus": "♉",
+    "thailand": "🇹🇭",
+    "timor-leste": "🇹🇱",
+    "togo": "🇹🇬",
+    "tokelau": "🇹🇰",
+    "tokyo_tower": "🗼",
+    "tonga": "🇹🇴",
+    "trinidad_&_tobago": "🇹🇹",
+    "tristan_da_cunha": "🇹🇦",
+    "tunisia": "🇹🇳",
+    "turkey": "🦃",
+    "turkmenistan": "🇹🇲",
+    "turks_&_caicos_islands": "🇹🇨",
+    "tuvalu": "🇹🇻",
+    "u.s._outlying_islands": "🇺🇲",
+    "u.s._virgin_islands": "🇻🇮",
+    "up!_button": "🆙",
+    "uganda": "🇺🇬",
+    "ukraine": "🇺🇦",
+    "united_arab_emirates": "🇦🇪",
+    "united_kingdom": "🇬🇧",
+    "united_nations": "🇺🇳",
+    "united_states": "🇺🇸",
+    "uruguay": "🇺🇾",
+    "uzbekistan": "🇺🇿",
+    "vs_button": "🆚",
+    "vanuatu": "🇻🇺",
+    "vatican_city": "🇻🇦",
+    "venezuela": "🇻🇪",
+    "vietnam": "🇻🇳",
+    "virgo": "♍",
+    "wales": "🏴\U000e0067\U000e0062\U000e0077\U000e006c\U000e0073\U000e007f",
+    "wallis_&_futuna": "🇼🇫",
+    "western_sahara": "🇪🇭",
+    "yemen": "🇾🇪",
+    "zambia": "🇿🇲",
+    "zimbabwe": "🇿🇼",
+    "abacus": "🧮",
+    "adhesive_bandage": "🩹",
+    "admission_tickets": "🎟",
+    "adult": "🧑",
+    "adult_dark_skin_tone": "🧑🏿",
+    "adult_light_skin_tone": "🧑🏻",
+    "adult_medium-dark_skin_tone": "🧑🏾",
+    "adult_medium-light_skin_tone": "🧑🏼",
+    "adult_medium_skin_tone": "🧑🏽",
+    "aerial_tramway": "🚡",
+    "airplane": "✈",
+    "airplane_arrival": "🛬",
+    "airplane_departure": "🛫",
+    "alarm_clock": "⏰",
+    "alembic": "⚗",
+    "alien": "👽",
+    "alien_monster": "👾",
+    "ambulance": "🚑",
+    "american_football": "🏈",
+    "amphora": "🏺",
+    "anchor": "⚓",
+    "anger_symbol": "💢",
+    "angry_face": "😠",
+    "angry_face_with_horns": "👿",
+    "anguished_face": "😧",
+    "ant": "🐜",
+    "antenna_bars": "📶",
+    "anxious_face_with_sweat": "😰",
+    "articulated_lorry": "🚛",
+    "artist_palette": "🎨",
+    "astonished_face": "😲",
+    "atom_symbol": "⚛",
+    "auto_rickshaw": "🛺",
+    "automobile": "🚗",
+    "avocado": "🥑",
+    "axe": "🪓",
+    "baby": "👶",
+    "baby_angel": "👼",
+    "baby_angel_dark_skin_tone": "👼🏿",
+    "baby_angel_light_skin_tone": "👼🏻",
+    "baby_angel_medium-dark_skin_tone": "👼🏾",
+    "baby_angel_medium-light_skin_tone": "👼🏼",
+    "baby_angel_medium_skin_tone": "👼🏽",
+    "baby_bottle": "🍼",
+    "baby_chick": "🐤",
+    "baby_dark_skin_tone": "👶🏿",
+    "baby_light_skin_tone": "👶🏻",
+    "baby_medium-dark_skin_tone": "👶🏾",
+    "baby_medium-light_skin_tone": "👶🏼",
+    "baby_medium_skin_tone": "👶🏽",
+    "baby_symbol": "🚼",
+    "backhand_index_pointing_down": "👇",
+    "backhand_index_pointing_down_dark_skin_tone": "👇🏿",
+    "backhand_index_pointing_down_light_skin_tone": "👇🏻",
+    "backhand_index_pointing_down_medium-dark_skin_tone": "👇🏾",
+    "backhand_index_pointing_down_medium-light_skin_tone": "👇🏼",
+    "backhand_index_pointing_down_medium_skin_tone": "👇🏽",
+    "backhand_index_pointing_left": "👈",
+    "backhand_index_pointing_left_dark_skin_tone": "👈🏿",
+    "backhand_index_pointing_left_light_skin_tone": "👈🏻",
+    "backhand_index_pointing_left_medium-dark_skin_tone": "👈🏾",
+    "backhand_index_pointing_left_medium-light_skin_tone": "👈🏼",
+    "backhand_index_pointing_left_medium_skin_tone": "👈🏽",
+    "backhand_index_pointing_right": "👉",
+    "backhand_index_pointing_right_dark_skin_tone": "👉🏿",
+    "backhand_index_pointing_right_light_skin_tone": "👉🏻",
+    "backhand_index_pointing_right_medium-dark_skin_tone": "👉🏾",
+    "backhand_index_pointing_right_medium-light_skin_tone": "👉🏼",
+    "backhand_index_pointing_right_medium_skin_tone": "👉🏽",
+    "backhand_index_pointing_up": "👆",
+    "backhand_index_pointing_up_dark_skin_tone": "👆🏿",
+    "backhand_index_pointing_up_light_skin_tone": "👆🏻",
+    "backhand_index_pointing_up_medium-dark_skin_tone": "👆🏾",
+    "backhand_index_pointing_up_medium-light_skin_tone": "👆🏼",
+    "backhand_index_pointing_up_medium_skin_tone": "👆🏽",
+    "bacon": "🥓",
+    "badger": "🦡",
+    "badminton": "🏸",
+    "bagel": "🥯",
+    "baggage_claim": "🛄",
+    "baguette_bread": "🥖",
+    "balance_scale": "⚖",
+    "bald": "🦲",
+    "bald_man": "👨\u200d🦲",
+    "bald_woman": "👩\u200d🦲",
+    "ballet_shoes": "🩰",
+    "balloon": "🎈",
+    "ballot_box_with_ballot": "🗳",
+    "ballot_box_with_check": "☑",
+    "banana": "🍌",
+    "banjo": "🪕",
+    "bank": "🏦",
+    "bar_chart": "📊",
+    "barber_pole": "💈",
+    "baseball": "⚾",
+    "basket": "🧺",
+    "basketball": "🏀",
+    "bat": "🦇",
+    "bathtub": "🛁",
+    "battery": "🔋",
+    "beach_with_umbrella": "🏖",
+    "beaming_face_with_smiling_eyes": "😁",
+    "bear_face": "🐻",
+    "bearded_person": "🧔",
+    "bearded_person_dark_skin_tone": "🧔🏿",
+    "bearded_person_light_skin_tone": "🧔🏻",
+    "bearded_person_medium-dark_skin_tone": "🧔🏾",
+    "bearded_person_medium-light_skin_tone": "🧔🏼",
+    "bearded_person_medium_skin_tone": "🧔🏽",
+    "beating_heart": "💓",
+    "bed": "🛏",
+    "beer_mug": "🍺",
+    "bell": "🔔",
+    "bell_with_slash": "🔕",
+    "bellhop_bell": "🛎",
+    "bento_box": "🍱",
+    "beverage_box": "🧃",
+    "bicycle": "🚲",
+    "bikini": "👙",
+    "billed_cap": "🧢",
+    "biohazard": "☣",
+    "bird": "🐦",
+    "birthday_cake": "🎂",
+    "black_circle": "⚫",
+    "black_flag": "🏴",
+    "black_heart": "🖤",
+    "black_large_square": "⬛",
+    "black_medium-small_square": "◾",
+    "black_medium_square": "◼",
+    "black_nib": "✒",
+    "black_small_square": "▪",
+    "black_square_button": "🔲",
+    "blond-haired_man": "👱\u200d♂️",
+    "blond-haired_man_dark_skin_tone": "👱🏿\u200d♂️",
+    "blond-haired_man_light_skin_tone": "👱🏻\u200d♂️",
+    "blond-haired_man_medium-dark_skin_tone": "👱🏾\u200d♂️",
+    "blond-haired_man_medium-light_skin_tone": "👱🏼\u200d♂️",
+    "blond-haired_man_medium_skin_tone": "👱🏽\u200d♂️",
+    "blond-haired_person": "👱",
+    "blond-haired_person_dark_skin_tone": "👱🏿",
+    "blond-haired_person_light_skin_tone": "👱🏻",
+    "blond-haired_person_medium-dark_skin_tone": "👱🏾",
+    "blond-haired_person_medium-light_skin_tone": "👱🏼",
+    "blond-haired_person_medium_skin_tone": "👱🏽",
+    "blond-haired_woman": "👱\u200d♀️",
+    "blond-haired_woman_dark_skin_tone": "👱🏿\u200d♀️",
+    "blond-haired_woman_light_skin_tone": "👱🏻\u200d♀️",
+    "blond-haired_woman_medium-dark_skin_tone": "👱🏾\u200d♀️",
+    "blond-haired_woman_medium-light_skin_tone": "👱🏼\u200d♀️",
+    "blond-haired_woman_medium_skin_tone": "👱🏽\u200d♀️",
+    "blossom": "🌼",
+    "blowfish": "🐡",
+    "blue_book": "📘",
+    "blue_circle": "🔵",
+    "blue_heart": "💙",
+    "blue_square": "🟦",
+    "boar": "🐗",
+    "bomb": "💣",
+    "bone": "🦴",
+    "bookmark": "🔖",
+    "bookmark_tabs": "📑",
+    "books": "📚",
+    "bottle_with_popping_cork": "🍾",
+    "bouquet": "💐",
+    "bow_and_arrow": "🏹",
+    "bowl_with_spoon": "🥣",
+    "bowling": "🎳",
+    "boxing_glove": "🥊",
+    "boy": "👦",
+    "boy_dark_skin_tone": "👦🏿",
+    "boy_light_skin_tone": "👦🏻",
+    "boy_medium-dark_skin_tone": "👦🏾",
+    "boy_medium-light_skin_tone": "👦🏼",
+    "boy_medium_skin_tone": "👦🏽",
+    "brain": "🧠",
+    "bread": "🍞",
+    "breast-feeding": "🤱",
+    "breast-feeding_dark_skin_tone": "🤱🏿",
+    "breast-feeding_light_skin_tone": "🤱🏻",
+    "breast-feeding_medium-dark_skin_tone": "🤱🏾",
+    "breast-feeding_medium-light_skin_tone": "🤱🏼",
+    "breast-feeding_medium_skin_tone": "🤱🏽",
+    "brick": "🧱",
+    "bride_with_veil": "👰",
+    "bride_with_veil_dark_skin_tone": "👰🏿",
+    "bride_with_veil_light_skin_tone": "👰🏻",
+    "bride_with_veil_medium-dark_skin_tone": "👰🏾",
+    "bride_with_veil_medium-light_skin_tone": "👰🏼",
+    "bride_with_veil_medium_skin_tone": "👰🏽",
+    "bridge_at_night": "🌉",
+    "briefcase": "💼",
+    "briefs": "🩲",
+    "bright_button": "🔆",
+    "broccoli": "🥦",
+    "broken_heart": "💔",
+    "broom": "🧹",
+    "brown_circle": "🟤",
+    "brown_heart": "🤎",
+    "brown_square": "🟫",
+    "bug": "🐛",
+    "building_construction": "🏗",
+    "bullet_train": "🚅",
+    "burrito": "🌯",
+    "bus": "🚌",
+    "bus_stop": "🚏",
+    "bust_in_silhouette": "👤",
+    "busts_in_silhouette": "👥",
+    "butter": "🧈",
+    "butterfly": "🦋",
+    "cactus": "🌵",
+    "calendar": "📆",
+    "call_me_hand": "🤙",
+    "call_me_hand_dark_skin_tone": "🤙🏿",
+    "call_me_hand_light_skin_tone": "🤙🏻",
+    "call_me_hand_medium-dark_skin_tone": "🤙🏾",
+    "call_me_hand_medium-light_skin_tone": "🤙🏼",
+    "call_me_hand_medium_skin_tone": "🤙🏽",
+    "camel": "🐫",
+    "camera": "📷",
+    "camera_with_flash": "📸",
+    "camping": "🏕",
+    "candle": "🕯",
+    "candy": "🍬",
+    "canned_food": "🥫",
+    "canoe": "🛶",
+    "card_file_box": "🗃",
+    "card_index": "📇",
+    "card_index_dividers": "🗂",
+    "carousel_horse": "🎠",
+    "carp_streamer": "🎏",
+    "carrot": "🥕",
+    "castle": "🏰",
+    "cat": "🐱",
+    "cat_face": "🐱",
+    "cat_face_with_tears_of_joy": "😹",
+    "cat_face_with_wry_smile": "😼",
+    "chains": "⛓",
+    "chair": "🪑",
+    "chart_decreasing": "📉",
+    "chart_increasing": "📈",
+    "chart_increasing_with_yen": "💹",
+    "cheese_wedge": "🧀",
+    "chequered_flag": "🏁",
+    "cherries": "🍒",
+    "cherry_blossom": "🌸",
+    "chess_pawn": "♟",
+    "chestnut": "🌰",
+    "chicken": "🐔",
+    "child": "🧒",
+    "child_dark_skin_tone": "🧒🏿",
+    "child_light_skin_tone": "🧒🏻",
+    "child_medium-dark_skin_tone": "🧒🏾",
+    "child_medium-light_skin_tone": "🧒🏼",
+    "child_medium_skin_tone": "🧒🏽",
+    "children_crossing": "🚸",
+    "chipmunk": "🐿",
+    "chocolate_bar": "🍫",
+    "chopsticks": "🥢",
+    "church": "⛪",
+    "cigarette": "🚬",
+    "cinema": "🎦",
+    "circled_m": "Ⓜ",
+    "circus_tent": "🎪",
+    "cityscape": "🏙",
+    "cityscape_at_dusk": "🌆",
+    "clamp": "🗜",
+    "clapper_board": "🎬",
+    "clapping_hands": "👏",
+    "clapping_hands_dark_skin_tone": "👏🏿",
+    "clapping_hands_light_skin_tone": "👏🏻",
+    "clapping_hands_medium-dark_skin_tone": "👏🏾",
+    "clapping_hands_medium-light_skin_tone": "👏🏼",
+    "clapping_hands_medium_skin_tone": "👏🏽",
+    "classical_building": "🏛",
+    "clinking_beer_mugs": "🍻",
+    "clinking_glasses": "🥂",
+    "clipboard": "📋",
+    "clockwise_vertical_arrows": "🔃",
+    "closed_book": "📕",
+    "closed_mailbox_with_lowered_flag": "📪",
+    "closed_mailbox_with_raised_flag": "📫",
+    "closed_umbrella": "🌂",
+    "cloud": "☁",
+    "cloud_with_lightning": "🌩",
+    "cloud_with_lightning_and_rain": "⛈",
+    "cloud_with_rain": "🌧",
+    "cloud_with_snow": "🌨",
+    "clown_face": "🤡",
+    "club_suit": "♣",
+    "clutch_bag": "👝",
+    "coat": "🧥",
+    "cocktail_glass": "🍸",
+    "coconut": "🥥",
+    "coffin": "⚰",
+    "cold_face": "🥶",
+    "collision": "💥",
+    "comet": "☄",
+    "compass": "🧭",
+    "computer_disk": "💽",
+    "computer_mouse": "🖱",
+    "confetti_ball": "🎊",
+    "confounded_face": "😖",
+    "confused_face": "😕",
+    "construction": "🚧",
+    "construction_worker": "👷",
+    "construction_worker_dark_skin_tone": "👷🏿",
+    "construction_worker_light_skin_tone": "👷🏻",
+    "construction_worker_medium-dark_skin_tone": "👷🏾",
+    "construction_worker_medium-light_skin_tone": "👷🏼",
+    "construction_worker_medium_skin_tone": "👷🏽",
+    "control_knobs": "🎛",
+    "convenience_store": "🏪",
+    "cooked_rice": "🍚",
+    "cookie": "🍪",
+    "cooking": "🍳",
+    "copyright": "©",
+    "couch_and_lamp": "🛋",
+    "counterclockwise_arrows_button": "🔄",
+    "couple_with_heart": "💑",
+    "couple_with_heart_man_man": "👨\u200d❤️\u200d👨",
+    "couple_with_heart_woman_man": "👩\u200d❤️\u200d👨",
+    "couple_with_heart_woman_woman": "👩\u200d❤️\u200d👩",
+    "cow": "🐮",
+    "cow_face": "🐮",
+    "cowboy_hat_face": "🤠",
+    "crab": "🦀",
+    "crayon": "🖍",
+    "credit_card": "💳",
+    "crescent_moon": "🌙",
+    "cricket": "🦗",
+    "cricket_game": "🏏",
+    "crocodile": "🐊",
+    "croissant": "🥐",
+    "cross_mark": "❌",
+    "cross_mark_button": "❎",
+    "crossed_fingers": "🤞",
+    "crossed_fingers_dark_skin_tone": "🤞🏿",
+    "crossed_fingers_light_skin_tone": "🤞🏻",
+    "crossed_fingers_medium-dark_skin_tone": "🤞🏾",
+    "crossed_fingers_medium-light_skin_tone": "🤞🏼",
+    "crossed_fingers_medium_skin_tone": "🤞🏽",
+    "crossed_flags": "🎌",
+    "crossed_swords": "⚔",
+    "crown": "👑",
+    "crying_cat_face": "😿",
+    "crying_face": "😢",
+    "crystal_ball": "🔮",
+    "cucumber": "🥒",
+    "cupcake": "🧁",
+    "cup_with_straw": "🥤",
+    "curling_stone": "🥌",
+    "curly_hair": "🦱",
+    "curly-haired_man": "👨\u200d🦱",
+    "curly-haired_woman": "👩\u200d🦱",
+    "curly_loop": "➰",
+    "currency_exchange": "💱",
+    "curry_rice": "🍛",
+    "custard": "🍮",
+    "customs": "🛃",
+    "cut_of_meat": "🥩",
+    "cyclone": "🌀",
+    "dagger": "🗡",
+    "dango": "🍡",
+    "dashing_away": "💨",
+    "deaf_person": "🧏",
+    "deciduous_tree": "🌳",
+    "deer": "🦌",
+    "delivery_truck": "🚚",
+    "department_store": "🏬",
+    "derelict_house": "🏚",
+    "desert": "🏜",
+    "desert_island": "🏝",
+    "desktop_computer": "🖥",
+    "detective": "🕵",
+    "detective_dark_skin_tone": "🕵🏿",
+    "detective_light_skin_tone": "🕵🏻",
+    "detective_medium-dark_skin_tone": "🕵🏾",
+    "detective_medium-light_skin_tone": "🕵🏼",
+    "detective_medium_skin_tone": "🕵🏽",
+    "diamond_suit": "♦",
+    "diamond_with_a_dot": "💠",
+    "dim_button": "🔅",
+    "direct_hit": "🎯",
+    "disappointed_face": "😞",
+    "diving_mask": "🤿",
+    "diya_lamp": "🪔",
+    "dizzy": "💫",
+    "dizzy_face": "😵",
+    "dna": "🧬",
+    "dog": "🐶",
+    "dog_face": "🐶",
+    "dollar_banknote": "💵",
+    "dolphin": "🐬",
+    "door": "🚪",
+    "dotted_six-pointed_star": "🔯",
+    "double_curly_loop": "➿",
+    "double_exclamation_mark": "‼",
+    "doughnut": "🍩",
+    "dove": "🕊",
+    "down-left_arrow": "↙",
+    "down-right_arrow": "↘",
+    "down_arrow": "⬇",
+    "downcast_face_with_sweat": "😓",
+    "downwards_button": "🔽",
+    "dragon": "🐉",
+    "dragon_face": "🐲",
+    "dress": "👗",
+    "drooling_face": "🤤",
+    "drop_of_blood": "🩸",
+    "droplet": "💧",
+    "drum": "🥁",
+    "duck": "🦆",
+    "dumpling": "🥟",
+    "dvd": "📀",
+    "e-mail": "📧",
+    "eagle": "🦅",
+    "ear": "👂",
+    "ear_dark_skin_tone": "👂🏿",
+    "ear_light_skin_tone": "👂🏻",
+    "ear_medium-dark_skin_tone": "👂🏾",
+    "ear_medium-light_skin_tone": "👂🏼",
+    "ear_medium_skin_tone": "👂🏽",
+    "ear_of_corn": "🌽",
+    "ear_with_hearing_aid": "🦻",
+    "egg": "🍳",
+    "eggplant": "🍆",
+    "eight-pointed_star": "✴",
+    "eight-spoked_asterisk": "✳",
+    "eight-thirty": "🕣",
+    "eight_o’clock": "🕗",
+    "eject_button": "⏏",
+    "electric_plug": "🔌",
+    "elephant": "🐘",
+    "eleven-thirty": "🕦",
+    "eleven_o’clock": "🕚",
+    "elf": "🧝",
+    "elf_dark_skin_tone": "🧝🏿",
+    "elf_light_skin_tone": "🧝🏻",
+    "elf_medium-dark_skin_tone": "🧝🏾",
+    "elf_medium-light_skin_tone": "🧝🏼",
+    "elf_medium_skin_tone": "🧝🏽",
+    "envelope": "✉",
+    "envelope_with_arrow": "📩",
+    "euro_banknote": "💶",
+    "evergreen_tree": "🌲",
+    "ewe": "🐑",
+    "exclamation_mark": "❗",
+    "exclamation_question_mark": "⁉",
+    "exploding_head": "🤯",
+    "expressionless_face": "😑",
+    "eye": "👁",
+    "eye_in_speech_bubble": "👁️\u200d🗨️",
+    "eyes": "👀",
+    "face_blowing_a_kiss": "😘",
+    "face_savoring_food": "😋",
+    "face_screaming_in_fear": "😱",
+    "face_vomiting": "🤮",
+    "face_with_hand_over_mouth": "🤭",
+    "face_with_head-bandage": "🤕",
+    "face_with_medical_mask": "😷",
+    "face_with_monocle": "🧐",
+    "face_with_open_mouth": "😮",
+    "face_with_raised_eyebrow": "🤨",
+    "face_with_rolling_eyes": "🙄",
+    "face_with_steam_from_nose": "😤",
+    "face_with_symbols_on_mouth": "🤬",
+    "face_with_tears_of_joy": "😂",
+    "face_with_thermometer": "🤒",
+    "face_with_tongue": "😛",
+    "face_without_mouth": "😶",
+    "factory": "🏭",
+    "fairy": "🧚",
+    "fairy_dark_skin_tone": "🧚🏿",
+    "fairy_light_skin_tone": "🧚🏻",
+    "fairy_medium-dark_skin_tone": "🧚🏾",
+    "fairy_medium-light_skin_tone": "🧚🏼",
+    "fairy_medium_skin_tone": "🧚🏽",
+    "falafel": "🧆",
+    "fallen_leaf": "🍂",
+    "family": "👪",
+    "family_man_boy": "👨\u200d👦",
+    "family_man_boy_boy": "👨\u200d👦\u200d👦",
+    "family_man_girl": "👨\u200d👧",
+    "family_man_girl_boy": "👨\u200d👧\u200d👦",
+    "family_man_girl_girl": "👨\u200d👧\u200d👧",
+    "family_man_man_boy": "👨\u200d👨\u200d👦",
+    "family_man_man_boy_boy": "👨\u200d👨\u200d👦\u200d👦",
+    "family_man_man_girl": "👨\u200d👨\u200d👧",
+    "family_man_man_girl_boy": "👨\u200d👨\u200d👧\u200d👦",
+    "family_man_man_girl_girl": "👨\u200d👨\u200d👧\u200d👧",
+    "family_man_woman_boy": "👨\u200d👩\u200d👦",
+    "family_man_woman_boy_boy": "👨\u200d👩\u200d👦\u200d👦",
+    "family_man_woman_girl": "👨\u200d👩\u200d👧",
+    "family_man_woman_girl_boy": "👨\u200d👩\u200d👧\u200d👦",
+    "family_man_woman_girl_girl": "👨\u200d👩\u200d👧\u200d👧",
+    "family_woman_boy": "👩\u200d👦",
+    "family_woman_boy_boy": "👩\u200d👦\u200d👦",
+    "family_woman_girl": "👩\u200d👧",
+    "family_woman_girl_boy": "👩\u200d👧\u200d👦",
+    "family_woman_girl_girl": "👩\u200d👧\u200d👧",
+    "family_woman_woman_boy": "👩\u200d👩\u200d👦",
+    "family_woman_woman_boy_boy": "👩\u200d👩\u200d👦\u200d👦",
+    "family_woman_woman_girl": "👩\u200d👩\u200d👧",
+    "family_woman_woman_girl_boy": "👩\u200d👩\u200d👧\u200d👦",
+    "family_woman_woman_girl_girl": "👩\u200d👩\u200d👧\u200d👧",
+    "fast-forward_button": "⏩",
+    "fast_down_button": "⏬",
+    "fast_reverse_button": "⏪",
+    "fast_up_button": "⏫",
+    "fax_machine": "📠",
+    "fearful_face": "😨",
+    "female_sign": "♀",
+    "ferris_wheel": "🎡",
+    "ferry": "⛴",
+    "field_hockey": "🏑",
+    "file_cabinet": "🗄",
+    "file_folder": "📁",
+    "film_frames": "🎞",
+    "film_projector": "📽",
+    "fire": "🔥",
+    "fire_extinguisher": "🧯",
+    "firecracker": "🧨",
+    "fire_engine": "🚒",
+    "fireworks": "🎆",
+    "first_quarter_moon": "🌓",
+    "first_quarter_moon_face": "🌛",
+    "fish": "🐟",
+    "fish_cake_with_swirl": "🍥",
+    "fishing_pole": "🎣",
+    "five-thirty": "🕠",
+    "five_o’clock": "🕔",
+    "flag_in_hole": "⛳",
+    "flamingo": "🦩",
+    "flashlight": "🔦",
+    "flat_shoe": "🥿",
+    "fleur-de-lis": "⚜",
+    "flexed_biceps": "💪",
+    "flexed_biceps_dark_skin_tone": "💪🏿",
+    "flexed_biceps_light_skin_tone": "💪🏻",
+    "flexed_biceps_medium-dark_skin_tone": "💪🏾",
+    "flexed_biceps_medium-light_skin_tone": "💪🏼",
+    "flexed_biceps_medium_skin_tone": "💪🏽",
+    "floppy_disk": "💾",
+    "flower_playing_cards": "🎴",
+    "flushed_face": "😳",
+    "flying_disc": "🥏",
+    "flying_saucer": "🛸",
+    "fog": "🌫",
+    "foggy": "🌁",
+    "folded_hands": "🙏",
+    "folded_hands_dark_skin_tone": "🙏🏿",
+    "folded_hands_light_skin_tone": "🙏🏻",
+    "folded_hands_medium-dark_skin_tone": "🙏🏾",
+    "folded_hands_medium-light_skin_tone": "🙏🏼",
+    "folded_hands_medium_skin_tone": "🙏🏽",
+    "foot": "🦶",
+    "footprints": "👣",
+    "fork_and_knife": "🍴",
+    "fork_and_knife_with_plate": "🍽",
+    "fortune_cookie": "🥠",
+    "fountain": "⛲",
+    "fountain_pen": "🖋",
+    "four-thirty": "🕟",
+    "four_leaf_clover": "🍀",
+    "four_o’clock": "🕓",
+    "fox_face": "🦊",
+    "framed_picture": "🖼",
+    "french_fries": "🍟",
+    "fried_shrimp": "🍤",
+    "frog_face": "🐸",
+    "front-facing_baby_chick": "🐥",
+    "frowning_face": "☹",
+    "frowning_face_with_open_mouth": "😦",
+    "fuel_pump": "⛽",
+    "full_moon": "🌕",
+    "full_moon_face": "🌝",
+    "funeral_urn": "⚱",
+    "game_die": "🎲",
+    "garlic": "🧄",
+    "gear": "⚙",
+    "gem_stone": "💎",
+    "genie": "🧞",
+    "ghost": "👻",
+    "giraffe": "🦒",
+    "girl": "👧",
+    "girl_dark_skin_tone": "👧🏿",
+    "girl_light_skin_tone": "👧🏻",
+    "girl_medium-dark_skin_tone": "👧🏾",
+    "girl_medium-light_skin_tone": "👧🏼",
+    "girl_medium_skin_tone": "👧🏽",
+    "glass_of_milk": "🥛",
+    "glasses": "👓",
+    "globe_showing_americas": "🌎",
+    "globe_showing_asia-australia": "🌏",
+    "globe_showing_europe-africa": "🌍",
+    "globe_with_meridians": "🌐",
+    "gloves": "🧤",
+    "glowing_star": "🌟",
+    "goal_net": "🥅",
+    "goat": "🐐",
+    "goblin": "👺",
+    "goggles": "🥽",
+    "gorilla": "🦍",
+    "graduation_cap": "🎓",
+    "grapes": "🍇",
+    "green_apple": "🍏",
+    "green_book": "📗",
+    "green_circle": "🟢",
+    "green_heart": "💚",
+    "green_salad": "🥗",
+    "green_square": "🟩",
+    "grimacing_face": "😬",
+    "grinning_cat_face": "😺",
+    "grinning_cat_face_with_smiling_eyes": "😸",
+    "grinning_face": "😀",
+    "grinning_face_with_big_eyes": "😃",
+    "grinning_face_with_smiling_eyes": "😄",
+    "grinning_face_with_sweat": "😅",
+    "grinning_squinting_face": "😆",
+    "growing_heart": "💗",
+    "guard": "💂",
+    "guard_dark_skin_tone": "💂🏿",
+    "guard_light_skin_tone": "💂🏻",
+    "guard_medium-dark_skin_tone": "💂🏾",
+    "guard_medium-light_skin_tone": "💂🏼",
+    "guard_medium_skin_tone": "💂🏽",
+    "guide_dog": "🦮",
+    "guitar": "🎸",
+    "hamburger": "🍔",
+    "hammer": "🔨",
+    "hammer_and_pick": "⚒",
+    "hammer_and_wrench": "🛠",
+    "hamster_face": "🐹",
+    "hand_with_fingers_splayed": "🖐",
+    "hand_with_fingers_splayed_dark_skin_tone": "🖐🏿",
+    "hand_with_fingers_splayed_light_skin_tone": "🖐🏻",
+    "hand_with_fingers_splayed_medium-dark_skin_tone": "🖐🏾",
+    "hand_with_fingers_splayed_medium-light_skin_tone": "🖐🏼",
+    "hand_with_fingers_splayed_medium_skin_tone": "🖐🏽",
+    "handbag": "👜",
+    "handshake": "🤝",
+    "hatching_chick": "🐣",
+    "headphone": "🎧",
+    "hear-no-evil_monkey": "🙉",
+    "heart_decoration": "💟",
+    "heart_suit": "♥",
+    "heart_with_arrow": "💘",
+    "heart_with_ribbon": "💝",
+    "heavy_check_mark": "✔",
+    "heavy_division_sign": "➗",
+    "heavy_dollar_sign": "💲",
+    "heavy_heart_exclamation": "❣",
+    "heavy_large_circle": "⭕",
+    "heavy_minus_sign": "➖",
+    "heavy_multiplication_x": "✖",
+    "heavy_plus_sign": "➕",
+    "hedgehog": "🦔",
+    "helicopter": "🚁",
+    "herb": "🌿",
+    "hibiscus": "🌺",
+    "high-heeled_shoe": "👠",
+    "high-speed_train": "🚄",
+    "high_voltage": "⚡",
+    "hiking_boot": "🥾",
+    "hindu_temple": "🛕",
+    "hippopotamus": "🦛",
+    "hole": "🕳",
+    "honey_pot": "🍯",
+    "honeybee": "🐝",
+    "horizontal_traffic_light": "🚥",
+    "horse": "🐴",
+    "horse_face": "🐴",
+    "horse_racing": "🏇",
+    "horse_racing_dark_skin_tone": "🏇🏿",
+    "horse_racing_light_skin_tone": "🏇🏻",
+    "horse_racing_medium-dark_skin_tone": "🏇🏾",
+    "horse_racing_medium-light_skin_tone": "🏇🏼",
+    "horse_racing_medium_skin_tone": "🏇🏽",
+    "hospital": "🏥",
+    "hot_beverage": "☕",
+    "hot_dog": "🌭",
+    "hot_face": "🥵",
+    "hot_pepper": "🌶",
+    "hot_springs": "♨",
+    "hotel": "🏨",
+    "hourglass_done": "⌛",
+    "hourglass_not_done": "⏳",
+    "house": "🏠",
+    "house_with_garden": "🏡",
+    "houses": "🏘",
+    "hugging_face": "🤗",
+    "hundred_points": "💯",
+    "hushed_face": "😯",
+    "ice": "🧊",
+    "ice_cream": "🍨",
+    "ice_hockey": "🏒",
+    "ice_skate": "⛸",
+    "inbox_tray": "📥",
+    "incoming_envelope": "📨",
+    "index_pointing_up": "☝",
+    "index_pointing_up_dark_skin_tone": "☝🏿",
+    "index_pointing_up_light_skin_tone": "☝🏻",
+    "index_pointing_up_medium-dark_skin_tone": "☝🏾",
+    "index_pointing_up_medium-light_skin_tone": "☝🏼",
+    "index_pointing_up_medium_skin_tone": "☝🏽",
+    "infinity": "♾",
+    "information": "ℹ",
+    "input_latin_letters": "🔤",
+    "input_latin_lowercase": "🔡",
+    "input_latin_uppercase": "🔠",
+    "input_numbers": "🔢",
+    "input_symbols": "🔣",
+    "jack-o-lantern": "🎃",
+    "jeans": "👖",
+    "jigsaw": "🧩",
+    "joker": "🃏",
+    "joystick": "🕹",
+    "kaaba": "🕋",
+    "kangaroo": "🦘",
+    "key": "🔑",
+    "keyboard": "⌨",
+    "keycap_#": "#️⃣",
+    "keycap_*": "*️⃣",
+    "keycap_0": "0️⃣",
+    "keycap_1": "1️⃣",
+    "keycap_10": "🔟",
+    "keycap_2": "2️⃣",
+    "keycap_3": "3️⃣",
+    "keycap_4": "4️⃣",
+    "keycap_5": "5️⃣",
+    "keycap_6": "6️⃣",
+    "keycap_7": "7️⃣",
+    "keycap_8": "8️⃣",
+    "keycap_9": "9️⃣",
+    "kick_scooter": "🛴",
+    "kimono": "👘",
+    "kiss": "💋",
+    "kiss_man_man": "👨\u200d❤️\u200d💋\u200d👨",
+    "kiss_mark": "💋",
+    "kiss_woman_man": "👩\u200d❤️\u200d💋\u200d👨",
+    "kiss_woman_woman": "👩\u200d❤️\u200d💋\u200d👩",
+    "kissing_cat_face": "😽",
+    "kissing_face": "😗",
+    "kissing_face_with_closed_eyes": "😚",
+    "kissing_face_with_smiling_eyes": "😙",
+    "kitchen_knife": "🔪",
+    "kite": "🪁",
+    "kiwi_fruit": "🥝",
+    "koala": "🐨",
+    "lab_coat": "🥼",
+    "label": "🏷",
+    "lacrosse": "🥍",
+    "lady_beetle": "🐞",
+    "laptop_computer": "💻",
+    "large_blue_diamond": "🔷",
+    "large_orange_diamond": "🔶",
+    "last_quarter_moon": "🌗",
+    "last_quarter_moon_face": "🌜",
+    "last_track_button": "⏮",
+    "latin_cross": "✝",
+    "leaf_fluttering_in_wind": "🍃",
+    "leafy_green": "🥬",
+    "ledger": "📒",
+    "left-facing_fist": "🤛",
+    "left-facing_fist_dark_skin_tone": "🤛🏿",
+    "left-facing_fist_light_skin_tone": "🤛🏻",
+    "left-facing_fist_medium-dark_skin_tone": "🤛🏾",
+    "left-facing_fist_medium-light_skin_tone": "🤛🏼",
+    "left-facing_fist_medium_skin_tone": "🤛🏽",
+    "left-right_arrow": "↔",
+    "left_arrow": "⬅",
+    "left_arrow_curving_right": "↪",
+    "left_luggage": "🛅",
+    "left_speech_bubble": "🗨",
+    "leg": "🦵",
+    "lemon": "🍋",
+    "leopard": "🐆",
+    "level_slider": "🎚",
+    "light_bulb": "💡",
+    "light_rail": "🚈",
+    "link": "🔗",
+    "linked_paperclips": "🖇",
+    "lion_face": "🦁",
+    "lipstick": "💄",
+    "litter_in_bin_sign": "🚮",
+    "lizard": "🦎",
+    "llama": "🦙",
+    "lobster": "🦞",
+    "locked": "🔒",
+    "locked_with_key": "🔐",
+    "locked_with_pen": "🔏",
+    "locomotive": "🚂",
+    "lollipop": "🍭",
+    "lotion_bottle": "🧴",
+    "loudly_crying_face": "😭",
+    "loudspeaker": "📢",
+    "love-you_gesture": "🤟",
+    "love-you_gesture_dark_skin_tone": "🤟🏿",
+    "love-you_gesture_light_skin_tone": "🤟🏻",
+    "love-you_gesture_medium-dark_skin_tone": "🤟🏾",
+    "love-you_gesture_medium-light_skin_tone": "🤟🏼",
+    "love-you_gesture_medium_skin_tone": "🤟🏽",
+    "love_hotel": "🏩",
+    "love_letter": "💌",
+    "luggage": "🧳",
+    "lying_face": "🤥",
+    "mage": "🧙",
+    "mage_dark_skin_tone": "🧙🏿",
+    "mage_light_skin_tone": "🧙🏻",
+    "mage_medium-dark_skin_tone": "🧙🏾",
+    "mage_medium-light_skin_tone": "🧙🏼",
+    "mage_medium_skin_tone": "🧙🏽",
+    "magnet": "🧲",
+    "magnifying_glass_tilted_left": "🔍",
+    "magnifying_glass_tilted_right": "🔎",
+    "mahjong_red_dragon": "🀄",
+    "male_sign": "♂",
+    "man": "👨",
+    "man_and_woman_holding_hands": "👫",
+    "man_artist": "👨\u200d🎨",
+    "man_artist_dark_skin_tone": "👨🏿\u200d🎨",
+    "man_artist_light_skin_tone": "👨🏻\u200d🎨",
+    "man_artist_medium-dark_skin_tone": "👨🏾\u200d🎨",
+    "man_artist_medium-light_skin_tone": "👨🏼\u200d🎨",
+    "man_artist_medium_skin_tone": "👨🏽\u200d🎨",
+    "man_astronaut": "👨\u200d🚀",
+    "man_astronaut_dark_skin_tone": "👨🏿\u200d🚀",
+    "man_astronaut_light_skin_tone": "👨🏻\u200d🚀",
+    "man_astronaut_medium-dark_skin_tone": "👨🏾\u200d🚀",
+    "man_astronaut_medium-light_skin_tone": "👨🏼\u200d🚀",
+    "man_astronaut_medium_skin_tone": "👨🏽\u200d🚀",
+    "man_biking": "🚴\u200d♂️",
+    "man_biking_dark_skin_tone": "🚴🏿\u200d♂️",
+    "man_biking_light_skin_tone": "🚴🏻\u200d♂️",
+    "man_biking_medium-dark_skin_tone": "🚴🏾\u200d♂️",
+    "man_biking_medium-light_skin_tone": "🚴🏼\u200d♂️",
+    "man_biking_medium_skin_tone": "🚴🏽\u200d♂️",
+    "man_bouncing_ball": "⛹️\u200d♂️",
+    "man_bouncing_ball_dark_skin_tone": "⛹🏿\u200d♂️",
+    "man_bouncing_ball_light_skin_tone": "⛹🏻\u200d♂️",
+    "man_bouncing_ball_medium-dark_skin_tone": "⛹🏾\u200d♂️",
+    "man_bouncing_ball_medium-light_skin_tone": "⛹🏼\u200d♂️",
+    "man_bouncing_ball_medium_skin_tone": "⛹🏽\u200d♂️",
+    "man_bowing": "🙇\u200d♂️",
+    "man_bowing_dark_skin_tone": "🙇🏿\u200d♂️",
+    "man_bowing_light_skin_tone": "🙇🏻\u200d♂️",
+    "man_bowing_medium-dark_skin_tone": "🙇🏾\u200d♂️",
+    "man_bowing_medium-light_skin_tone": "🙇🏼\u200d♂️",
+    "man_bowing_medium_skin_tone": "🙇🏽\u200d♂️",
+    "man_cartwheeling": "🤸\u200d♂️",
+    "man_cartwheeling_dark_skin_tone": "🤸🏿\u200d♂️",
+    "man_cartwheeling_light_skin_tone": "🤸🏻\u200d♂️",
+    "man_cartwheeling_medium-dark_skin_tone": "🤸🏾\u200d♂️",
+    "man_cartwheeling_medium-light_skin_tone": "🤸🏼\u200d♂️",
+    "man_cartwheeling_medium_skin_tone": "🤸🏽\u200d♂️",
+    "man_climbing": "🧗\u200d♂️",
+    "man_climbing_dark_skin_tone": "🧗🏿\u200d♂️",
+    "man_climbing_light_skin_tone": "🧗🏻\u200d♂️",
+    "man_climbing_medium-dark_skin_tone": "🧗🏾\u200d♂️",
+    "man_climbing_medium-light_skin_tone": "🧗🏼\u200d♂️",
+    "man_climbing_medium_skin_tone": "🧗🏽\u200d♂️",
+    "man_construction_worker": "👷\u200d♂️",
+    "man_construction_worker_dark_skin_tone": "👷🏿\u200d♂️",
+    "man_construction_worker_light_skin_tone": "👷🏻\u200d♂️",
+    "man_construction_worker_medium-dark_skin_tone": "👷🏾\u200d♂️",
+    "man_construction_worker_medium-light_skin_tone": "👷🏼\u200d♂️",
+    "man_construction_worker_medium_skin_tone": "👷🏽\u200d♂️",
+    "man_cook": "👨\u200d🍳",
+    "man_cook_dark_skin_tone": "👨🏿\u200d🍳",
+    "man_cook_light_skin_tone": "👨🏻\u200d🍳",
+    "man_cook_medium-dark_skin_tone": "👨🏾\u200d🍳",
+    "man_cook_medium-light_skin_tone": "👨🏼\u200d🍳",
+    "man_cook_medium_skin_tone": "👨🏽\u200d🍳",
+    "man_dancing": "🕺",
+    "man_dancing_dark_skin_tone": "🕺🏿",
+    "man_dancing_light_skin_tone": "🕺🏻",
+    "man_dancing_medium-dark_skin_tone": "🕺🏾",
+    "man_dancing_medium-light_skin_tone": "🕺🏼",
+    "man_dancing_medium_skin_tone": "🕺🏽",
+    "man_dark_skin_tone": "👨🏿",
+    "man_detective": "🕵️\u200d♂️",
+    "man_detective_dark_skin_tone": "🕵🏿\u200d♂️",
+    "man_detective_light_skin_tone": "🕵🏻\u200d♂️",
+    "man_detective_medium-dark_skin_tone": "🕵🏾\u200d♂️",
+    "man_detective_medium-light_skin_tone": "🕵🏼\u200d♂️",
+    "man_detective_medium_skin_tone": "🕵🏽\u200d♂️",
+    "man_elf": "🧝\u200d♂️",
+    "man_elf_dark_skin_tone": "🧝🏿\u200d♂️",
+    "man_elf_light_skin_tone": "🧝🏻\u200d♂️",
+    "man_elf_medium-dark_skin_tone": "🧝🏾\u200d♂️",
+    "man_elf_medium-light_skin_tone": "🧝🏼\u200d♂️",
+    "man_elf_medium_skin_tone": "🧝🏽\u200d♂️",
+    "man_facepalming": "🤦\u200d♂️",
+    "man_facepalming_dark_skin_tone": "🤦🏿\u200d♂️",
+    "man_facepalming_light_skin_tone": "🤦🏻\u200d♂️",
+    "man_facepalming_medium-dark_skin_tone": "🤦🏾\u200d♂️",
+    "man_facepalming_medium-light_skin_tone": "🤦🏼\u200d♂️",
+    "man_facepalming_medium_skin_tone": "🤦🏽\u200d♂️",
+    "man_factory_worker": "👨\u200d🏭",
+    "man_factory_worker_dark_skin_tone": "👨🏿\u200d🏭",
+    "man_factory_worker_light_skin_tone": "👨🏻\u200d🏭",
+    "man_factory_worker_medium-dark_skin_tone": "👨🏾\u200d🏭",
+    "man_factory_worker_medium-light_skin_tone": "👨🏼\u200d🏭",
+    "man_factory_worker_medium_skin_tone": "👨🏽\u200d🏭",
+    "man_fairy": "🧚\u200d♂️",
+    "man_fairy_dark_skin_tone": "🧚🏿\u200d♂️",
+    "man_fairy_light_skin_tone": "🧚🏻\u200d♂️",
+    "man_fairy_medium-dark_skin_tone": "🧚🏾\u200d♂️",
+    "man_fairy_medium-light_skin_tone": "🧚🏼\u200d♂️",
+    "man_fairy_medium_skin_tone": "🧚🏽\u200d♂️",
+    "man_farmer": "👨\u200d🌾",
+    "man_farmer_dark_skin_tone": "👨🏿\u200d🌾",
+    "man_farmer_light_skin_tone": "👨🏻\u200d🌾",
+    "man_farmer_medium-dark_skin_tone": "👨🏾\u200d🌾",
+    "man_farmer_medium-light_skin_tone": "👨🏼\u200d🌾",
+    "man_farmer_medium_skin_tone": "👨🏽\u200d🌾",
+    "man_firefighter": "👨\u200d🚒",
+    "man_firefighter_dark_skin_tone": "👨🏿\u200d🚒",
+    "man_firefighter_light_skin_tone": "👨🏻\u200d🚒",
+    "man_firefighter_medium-dark_skin_tone": "👨🏾\u200d🚒",
+    "man_firefighter_medium-light_skin_tone": "👨🏼\u200d🚒",
+    "man_firefighter_medium_skin_tone": "👨🏽\u200d🚒",
+    "man_frowning": "🙍\u200d♂️",
+    "man_frowning_dark_skin_tone": "🙍🏿\u200d♂️",
+    "man_frowning_light_skin_tone": "🙍🏻\u200d♂️",
+    "man_frowning_medium-dark_skin_tone": "🙍🏾\u200d♂️",
+    "man_frowning_medium-light_skin_tone": "🙍🏼\u200d♂️",
+    "man_frowning_medium_skin_tone": "🙍🏽\u200d♂️",
+    "man_genie": "🧞\u200d♂️",
+    "man_gesturing_no": "🙅\u200d♂️",
+    "man_gesturing_no_dark_skin_tone": "🙅🏿\u200d♂️",
+    "man_gesturing_no_light_skin_tone": "🙅🏻\u200d♂️",
+    "man_gesturing_no_medium-dark_skin_tone": "🙅🏾\u200d♂️",
+    "man_gesturing_no_medium-light_skin_tone": "🙅🏼\u200d♂️",
+    "man_gesturing_no_medium_skin_tone": "🙅🏽\u200d♂️",
+    "man_gesturing_ok": "🙆\u200d♂️",
+    "man_gesturing_ok_dark_skin_tone": "🙆🏿\u200d♂️",
+    "man_gesturing_ok_light_skin_tone": "🙆🏻\u200d♂️",
+    "man_gesturing_ok_medium-dark_skin_tone": "🙆🏾\u200d♂️",
+    "man_gesturing_ok_medium-light_skin_tone": "🙆🏼\u200d♂️",
+    "man_gesturing_ok_medium_skin_tone": "🙆🏽\u200d♂️",
+    "man_getting_haircut": "💇\u200d♂️",
+    "man_getting_haircut_dark_skin_tone": "💇🏿\u200d♂️",
+    "man_getting_haircut_light_skin_tone": "💇🏻\u200d♂️",
+    "man_getting_haircut_medium-dark_skin_tone": "💇🏾\u200d♂️",
+    "man_getting_haircut_medium-light_skin_tone": "💇🏼\u200d♂️",
+    "man_getting_haircut_medium_skin_tone": "💇🏽\u200d♂️",
+    "man_getting_massage": "💆\u200d♂️",
+    "man_getting_massage_dark_skin_tone": "💆🏿\u200d♂️",
+    "man_getting_massage_light_skin_tone": "💆🏻\u200d♂️",
+    "man_getting_massage_medium-dark_skin_tone": "💆🏾\u200d♂️",
+    "man_getting_massage_medium-light_skin_tone": "💆🏼\u200d♂️",
+    "man_getting_massage_medium_skin_tone": "💆🏽\u200d♂️",
+    "man_golfing": "🏌️\u200d♂️",
+    "man_golfing_dark_skin_tone": "🏌🏿\u200d♂️",
+    "man_golfing_light_skin_tone": "🏌🏻\u200d♂️",
+    "man_golfing_medium-dark_skin_tone": "🏌🏾\u200d♂️",
+    "man_golfing_medium-light_skin_tone": "🏌🏼\u200d♂️",
+    "man_golfing_medium_skin_tone": "🏌🏽\u200d♂️",
+    "man_guard": "💂\u200d♂️",
+    "man_guard_dark_skin_tone": "💂🏿\u200d♂️",
+    "man_guard_light_skin_tone": "💂🏻\u200d♂️",
+    "man_guard_medium-dark_skin_tone": "💂🏾\u200d♂️",
+    "man_guard_medium-light_skin_tone": "💂🏼\u200d♂️",
+    "man_guard_medium_skin_tone": "💂🏽\u200d♂️",
+    "man_health_worker": "👨\u200d⚕️",
+    "man_health_worker_dark_skin_tone": "👨🏿\u200d⚕️",
+    "man_health_worker_light_skin_tone": "👨🏻\u200d⚕️",
+    "man_health_worker_medium-dark_skin_tone": "👨🏾\u200d⚕️",
+    "man_health_worker_medium-light_skin_tone": "👨🏼\u200d⚕️",
+    "man_health_worker_medium_skin_tone": "👨🏽\u200d⚕️",
+    "man_in_lotus_position": "🧘\u200d♂️",
+    "man_in_lotus_position_dark_skin_tone": "🧘🏿\u200d♂️",
+    "man_in_lotus_position_light_skin_tone": "🧘🏻\u200d♂️",
+    "man_in_lotus_position_medium-dark_skin_tone": "🧘🏾\u200d♂️",
+    "man_in_lotus_position_medium-light_skin_tone": "🧘🏼\u200d♂️",
+    "man_in_lotus_position_medium_skin_tone": "🧘🏽\u200d♂️",
+    "man_in_manual_wheelchair": "👨\u200d🦽",
+    "man_in_motorized_wheelchair": "👨\u200d🦼",
+    "man_in_steamy_room": "🧖\u200d♂️",
+    "man_in_steamy_room_dark_skin_tone": "🧖🏿\u200d♂️",
+    "man_in_steamy_room_light_skin_tone": "🧖🏻\u200d♂️",
+    "man_in_steamy_room_medium-dark_skin_tone": "🧖🏾\u200d♂️",
+    "man_in_steamy_room_medium-light_skin_tone": "🧖🏼\u200d♂️",
+    "man_in_steamy_room_medium_skin_tone": "🧖🏽\u200d♂️",
+    "man_in_suit_levitating": "🕴",
+    "man_in_suit_levitating_dark_skin_tone": "🕴🏿",
+    "man_in_suit_levitating_light_skin_tone": "🕴🏻",
+    "man_in_suit_levitating_medium-dark_skin_tone": "🕴🏾",
+    "man_in_suit_levitating_medium-light_skin_tone": "🕴🏼",
+    "man_in_suit_levitating_medium_skin_tone": "🕴🏽",
+    "man_in_tuxedo": "🤵",
+    "man_in_tuxedo_dark_skin_tone": "🤵🏿",
+    "man_in_tuxedo_light_skin_tone": "🤵🏻",
+    "man_in_tuxedo_medium-dark_skin_tone": "🤵🏾",
+    "man_in_tuxedo_medium-light_skin_tone": "🤵🏼",
+    "man_in_tuxedo_medium_skin_tone": "🤵🏽",
+    "man_judge": "👨\u200d⚖️",
+    "man_judge_dark_skin_tone": "👨🏿\u200d⚖️",
+    "man_judge_light_skin_tone": "👨🏻\u200d⚖️",
+    "man_judge_medium-dark_skin_tone": "👨🏾\u200d⚖️",
+    "man_judge_medium-light_skin_tone": "👨🏼\u200d⚖️",
+    "man_judge_medium_skin_tone": "👨🏽\u200d⚖️",
+    "man_juggling": "🤹\u200d♂️",
+    "man_juggling_dark_skin_tone": "🤹🏿\u200d♂️",
+    "man_juggling_light_skin_tone": "🤹🏻\u200d♂️",
+    "man_juggling_medium-dark_skin_tone": "🤹🏾\u200d♂️",
+    "man_juggling_medium-light_skin_tone": "🤹🏼\u200d♂️",
+    "man_juggling_medium_skin_tone": "🤹🏽\u200d♂️",
+    "man_lifting_weights": "🏋️\u200d♂️",
+    "man_lifting_weights_dark_skin_tone": "🏋🏿\u200d♂️",
+    "man_lifting_weights_light_skin_tone": "🏋🏻\u200d♂️",
+    "man_lifting_weights_medium-dark_skin_tone": "🏋🏾\u200d♂️",
+    "man_lifting_weights_medium-light_skin_tone": "🏋🏼\u200d♂️",
+    "man_lifting_weights_medium_skin_tone": "🏋🏽\u200d♂️",
+    "man_light_skin_tone": "👨🏻",
+    "man_mage": "🧙\u200d♂️",
+    "man_mage_dark_skin_tone": "🧙🏿\u200d♂️",
+    "man_mage_light_skin_tone": "🧙🏻\u200d♂️",
+    "man_mage_medium-dark_skin_tone": "🧙🏾\u200d♂️",
+    "man_mage_medium-light_skin_tone": "🧙🏼\u200d♂️",
+    "man_mage_medium_skin_tone": "🧙🏽\u200d♂️",
+    "man_mechanic": "👨\u200d🔧",
+    "man_mechanic_dark_skin_tone": "👨🏿\u200d🔧",
+    "man_mechanic_light_skin_tone": "👨🏻\u200d🔧",
+    "man_mechanic_medium-dark_skin_tone": "👨🏾\u200d🔧",
+    "man_mechanic_medium-light_skin_tone": "👨🏼\u200d🔧",
+    "man_mechanic_medium_skin_tone": "👨🏽\u200d🔧",
+    "man_medium-dark_skin_tone": "👨🏾",
+    "man_medium-light_skin_tone": "👨🏼",
+    "man_medium_skin_tone": "👨🏽",
+    "man_mountain_biking": "🚵\u200d♂️",
+    "man_mountain_biking_dark_skin_tone": "🚵🏿\u200d♂️",
+    "man_mountain_biking_light_skin_tone": "🚵🏻\u200d♂️",
+    "man_mountain_biking_medium-dark_skin_tone": "🚵🏾\u200d♂️",
+    "man_mountain_biking_medium-light_skin_tone": "🚵🏼\u200d♂️",
+    "man_mountain_biking_medium_skin_tone": "🚵🏽\u200d♂️",
+    "man_office_worker": "👨\u200d💼",
+    "man_office_worker_dark_skin_tone": "👨🏿\u200d💼",
+    "man_office_worker_light_skin_tone": "👨🏻\u200d💼",
+    "man_office_worker_medium-dark_skin_tone": "👨🏾\u200d💼",
+    "man_office_worker_medium-light_skin_tone": "👨🏼\u200d💼",
+    "man_office_worker_medium_skin_tone": "👨🏽\u200d💼",
+    "man_pilot": "👨\u200d✈️",
+    "man_pilot_dark_skin_tone": "👨🏿\u200d✈️",
+    "man_pilot_light_skin_tone": "👨🏻\u200d✈️",
+    "man_pilot_medium-dark_skin_tone": "👨🏾\u200d✈️",
+    "man_pilot_medium-light_skin_tone": "👨🏼\u200d✈️",
+    "man_pilot_medium_skin_tone": "👨🏽\u200d✈️",
+    "man_playing_handball": "🤾\u200d♂️",
+    "man_playing_handball_dark_skin_tone": "🤾🏿\u200d♂️",
+    "man_playing_handball_light_skin_tone": "🤾🏻\u200d♂️",
+    "man_playing_handball_medium-dark_skin_tone": "🤾🏾\u200d♂️",
+    "man_playing_handball_medium-light_skin_tone": "🤾🏼\u200d♂️",
+    "man_playing_handball_medium_skin_tone": "🤾🏽\u200d♂️",
+    "man_playing_water_polo": "🤽\u200d♂️",
+    "man_playing_water_polo_dark_skin_tone": "🤽🏿\u200d♂️",
+    "man_playing_water_polo_light_skin_tone": "🤽🏻\u200d♂️",
+    "man_playing_water_polo_medium-dark_skin_tone": "🤽🏾\u200d♂️",
+    "man_playing_water_polo_medium-light_skin_tone": "🤽🏼\u200d♂️",
+    "man_playing_water_polo_medium_skin_tone": "🤽🏽\u200d♂️",
+    "man_police_officer": "👮\u200d♂️",
+    "man_police_officer_dark_skin_tone": "👮🏿\u200d♂️",
+    "man_police_officer_light_skin_tone": "👮🏻\u200d♂️",
+    "man_police_officer_medium-dark_skin_tone": "👮🏾\u200d♂️",
+    "man_police_officer_medium-light_skin_tone": "👮🏼\u200d♂️",
+    "man_police_officer_medium_skin_tone": "👮🏽\u200d♂️",
+    "man_pouting": "🙎\u200d♂️",
+    "man_pouting_dark_skin_tone": "🙎🏿\u200d♂️",
+    "man_pouting_light_skin_tone": "🙎🏻\u200d♂️",
+    "man_pouting_medium-dark_skin_tone": "🙎🏾\u200d♂️",
+    "man_pouting_medium-light_skin_tone": "🙎🏼\u200d♂️",
+    "man_pouting_medium_skin_tone": "🙎🏽\u200d♂️",
+    "man_raising_hand": "🙋\u200d♂️",
+    "man_raising_hand_dark_skin_tone": "🙋🏿\u200d♂️",
+    "man_raising_hand_light_skin_tone": "🙋🏻\u200d♂️",
+    "man_raising_hand_medium-dark_skin_tone": "🙋🏾\u200d♂️",
+    "man_raising_hand_medium-light_skin_tone": "🙋🏼\u200d♂️",
+    "man_raising_hand_medium_skin_tone": "🙋🏽\u200d♂️",
+    "man_rowing_boat": "🚣\u200d♂️",
+    "man_rowing_boat_dark_skin_tone": "🚣🏿\u200d♂️",
+    "man_rowing_boat_light_skin_tone": "🚣🏻\u200d♂️",
+    "man_rowing_boat_medium-dark_skin_tone": "🚣🏾\u200d♂️",
+    "man_rowing_boat_medium-light_skin_tone": "🚣🏼\u200d♂️",
+    "man_rowing_boat_medium_skin_tone": "🚣🏽\u200d♂️",
+    "man_running": "🏃\u200d♂️",
+    "man_running_dark_skin_tone": "🏃🏿\u200d♂️",
+    "man_running_light_skin_tone": "🏃🏻\u200d♂️",
+    "man_running_medium-dark_skin_tone": "🏃🏾\u200d♂️",
+    "man_running_medium-light_skin_tone": "🏃🏼\u200d♂️",
+    "man_running_medium_skin_tone": "🏃🏽\u200d♂️",
+    "man_scientist": "👨\u200d🔬",
+    "man_scientist_dark_skin_tone": "👨🏿\u200d🔬",
+    "man_scientist_light_skin_tone": "👨🏻\u200d🔬",
+    "man_scientist_medium-dark_skin_tone": "👨🏾\u200d🔬",
+    "man_scientist_medium-light_skin_tone": "👨🏼\u200d🔬",
+    "man_scientist_medium_skin_tone": "👨🏽\u200d🔬",
+    "man_shrugging": "🤷\u200d♂️",
+    "man_shrugging_dark_skin_tone": "🤷🏿\u200d♂️",
+    "man_shrugging_light_skin_tone": "🤷🏻\u200d♂️",
+    "man_shrugging_medium-dark_skin_tone": "🤷🏾\u200d♂️",
+    "man_shrugging_medium-light_skin_tone": "🤷🏼\u200d♂️",
+    "man_shrugging_medium_skin_tone": "🤷🏽\u200d♂️",
+    "man_singer": "👨\u200d🎤",
+    "man_singer_dark_skin_tone": "👨🏿\u200d🎤",
+    "man_singer_light_skin_tone": "👨🏻\u200d🎤",
+    "man_singer_medium-dark_skin_tone": "👨🏾\u200d🎤",
+    "man_singer_medium-light_skin_tone": "👨🏼\u200d🎤",
+    "man_singer_medium_skin_tone": "👨🏽\u200d🎤",
+    "man_student": "👨\u200d🎓",
+    "man_student_dark_skin_tone": "👨🏿\u200d🎓",
+    "man_student_light_skin_tone": "👨🏻\u200d🎓",
+    "man_student_medium-dark_skin_tone": "👨🏾\u200d🎓",
+    "man_student_medium-light_skin_tone": "👨🏼\u200d🎓",
+    "man_student_medium_skin_tone": "👨🏽\u200d🎓",
+    "man_surfing": "🏄\u200d♂️",
+    "man_surfing_dark_skin_tone": "🏄🏿\u200d♂️",
+    "man_surfing_light_skin_tone": "🏄🏻\u200d♂️",
+    "man_surfing_medium-dark_skin_tone": "🏄🏾\u200d♂️",
+    "man_surfing_medium-light_skin_tone": "🏄🏼\u200d♂️",
+    "man_surfing_medium_skin_tone": "🏄🏽\u200d♂️",
+    "man_swimming": "🏊\u200d♂️",
+    "man_swimming_dark_skin_tone": "🏊🏿\u200d♂️",
+    "man_swimming_light_skin_tone": "🏊🏻\u200d♂️",
+    "man_swimming_medium-dark_skin_tone": "🏊🏾\u200d♂️",
+    "man_swimming_medium-light_skin_tone": "🏊🏼\u200d♂️",
+    "man_swimming_medium_skin_tone": "🏊🏽\u200d♂️",
+    "man_teacher": "👨\u200d🏫",
+    "man_teacher_dark_skin_tone": "👨🏿\u200d🏫",
+    "man_teacher_light_skin_tone": "👨🏻\u200d🏫",
+    "man_teacher_medium-dark_skin_tone": "👨🏾\u200d🏫",
+    "man_teacher_medium-light_skin_tone": "👨🏼\u200d🏫",
+    "man_teacher_medium_skin_tone": "👨🏽\u200d🏫",
+    "man_technologist": "👨\u200d💻",
+    "man_technologist_dark_skin_tone": "👨🏿\u200d💻",
+    "man_technologist_light_skin_tone": "👨🏻\u200d💻",
+    "man_technologist_medium-dark_skin_tone": "👨🏾\u200d💻",
+    "man_technologist_medium-light_skin_tone": "👨🏼\u200d💻",
+    "man_technologist_medium_skin_tone": "👨🏽\u200d💻",
+    "man_tipping_hand": "💁\u200d♂️",
+    "man_tipping_hand_dark_skin_tone": "💁🏿\u200d♂️",
+    "man_tipping_hand_light_skin_tone": "💁🏻\u200d♂️",
+    "man_tipping_hand_medium-dark_skin_tone": "💁🏾\u200d♂️",
+    "man_tipping_hand_medium-light_skin_tone": "💁🏼\u200d♂️",
+    "man_tipping_hand_medium_skin_tone": "💁🏽\u200d♂️",
+    "man_vampire": "🧛\u200d♂️",
+    "man_vampire_dark_skin_tone": "🧛🏿\u200d♂️",
+    "man_vampire_light_skin_tone": "🧛🏻\u200d♂️",
+    "man_vampire_medium-dark_skin_tone": "🧛🏾\u200d♂️",
+    "man_vampire_medium-light_skin_tone": "🧛🏼\u200d♂️",
+    "man_vampire_medium_skin_tone": "🧛🏽\u200d♂️",
+    "man_walking": "🚶\u200d♂️",
+    "man_walking_dark_skin_tone": "🚶🏿\u200d♂️",
+    "man_walking_light_skin_tone": "🚶🏻\u200d♂️",
+    "man_walking_medium-dark_skin_tone": "🚶🏾\u200d♂️",
+    "man_walking_medium-light_skin_tone": "🚶🏼\u200d♂️",
+    "man_walking_medium_skin_tone": "🚶🏽\u200d♂️",
+    "man_wearing_turban": "👳\u200d♂️",
+    "man_wearing_turban_dark_skin_tone": "👳🏿\u200d♂️",
+    "man_wearing_turban_light_skin_tone": "👳🏻\u200d♂️",
+    "man_wearing_turban_medium-dark_skin_tone": "👳🏾\u200d♂️",
+    "man_wearing_turban_medium-light_skin_tone": "👳🏼\u200d♂️",
+    "man_wearing_turban_medium_skin_tone": "👳🏽\u200d♂️",
+    "man_with_probing_cane": "👨\u200d🦯",
+    "man_with_chinese_cap": "👲",
+    "man_with_chinese_cap_dark_skin_tone": "👲🏿",
+    "man_with_chinese_cap_light_skin_tone": "👲🏻",
+    "man_with_chinese_cap_medium-dark_skin_tone": "👲🏾",
+    "man_with_chinese_cap_medium-light_skin_tone": "👲🏼",
+    "man_with_chinese_cap_medium_skin_tone": "👲🏽",
+    "man_zombie": "🧟\u200d♂️",
+    "mango": "🥭",
+    "mantelpiece_clock": "🕰",
+    "manual_wheelchair": "🦽",
+    "man’s_shoe": "👞",
+    "map_of_japan": "🗾",
+    "maple_leaf": "🍁",
+    "martial_arts_uniform": "🥋",
+    "mate": "🧉",
+    "meat_on_bone": "🍖",
+    "mechanical_arm": "🦾",
+    "mechanical_leg": "🦿",
+    "medical_symbol": "⚕",
+    "megaphone": "📣",
+    "melon": "🍈",
+    "memo": "📝",
+    "men_with_bunny_ears": "👯\u200d♂️",
+    "men_wrestling": "🤼\u200d♂️",
+    "menorah": "🕎",
+    "men’s_room": "🚹",
+    "mermaid": "🧜\u200d♀️",
+    "mermaid_dark_skin_tone": "🧜🏿\u200d♀️",
+    "mermaid_light_skin_tone": "🧜🏻\u200d♀️",
+    "mermaid_medium-dark_skin_tone": "🧜🏾\u200d♀️",
+    "mermaid_medium-light_skin_tone": "🧜🏼\u200d♀️",
+    "mermaid_medium_skin_tone": "🧜🏽\u200d♀️",
+    "merman": "🧜\u200d♂️",
+    "merman_dark_skin_tone": "🧜🏿\u200d♂️",
+    "merman_light_skin_tone": "🧜🏻\u200d♂️",
+    "merman_medium-dark_skin_tone": "🧜🏾\u200d♂️",
+    "merman_medium-light_skin_tone": "🧜🏼\u200d♂️",
+    "merman_medium_skin_tone": "🧜🏽\u200d♂️",
+    "merperson": "🧜",
+    "merperson_dark_skin_tone": "🧜🏿",
+    "merperson_light_skin_tone": "🧜🏻",
+    "merperson_medium-dark_skin_tone": "🧜🏾",
+    "merperson_medium-light_skin_tone": "🧜🏼",
+    "merperson_medium_skin_tone": "🧜🏽",
+    "metro": "🚇",
+    "microbe": "🦠",
+    "microphone": "🎤",
+    "microscope": "🔬",
+    "middle_finger": "🖕",
+    "middle_finger_dark_skin_tone": "🖕🏿",
+    "middle_finger_light_skin_tone": "🖕🏻",
+    "middle_finger_medium-dark_skin_tone": "🖕🏾",
+    "middle_finger_medium-light_skin_tone": "🖕🏼",
+    "middle_finger_medium_skin_tone": "🖕🏽",
+    "military_medal": "🎖",
+    "milky_way": "🌌",
+    "minibus": "🚐",
+    "moai": "🗿",
+    "mobile_phone": "📱",
+    "mobile_phone_off": "📴",
+    "mobile_phone_with_arrow": "📲",
+    "money-mouth_face": "🤑",
+    "money_bag": "💰",
+    "money_with_wings": "💸",
+    "monkey": "🐒",
+    "monkey_face": "🐵",
+    "monorail": "🚝",
+    "moon_cake": "🥮",
+    "moon_viewing_ceremony": "🎑",
+    "mosque": "🕌",
+    "mosquito": "🦟",
+    "motor_boat": "🛥",
+    "motor_scooter": "🛵",
+    "motorcycle": "🏍",
+    "motorized_wheelchair": "🦼",
+    "motorway": "🛣",
+    "mount_fuji": "🗻",
+    "mountain": "⛰",
+    "mountain_cableway": "🚠",
+    "mountain_railway": "🚞",
+    "mouse": "🐭",
+    "mouse_face": "🐭",
+    "mouth": "👄",
+    "movie_camera": "🎥",
+    "mushroom": "🍄",
+    "musical_keyboard": "🎹",
+    "musical_note": "🎵",
+    "musical_notes": "🎶",
+    "musical_score": "🎼",
+    "muted_speaker": "🔇",
+    "nail_polish": "💅",
+    "nail_polish_dark_skin_tone": "💅🏿",
+    "nail_polish_light_skin_tone": "💅🏻",
+    "nail_polish_medium-dark_skin_tone": "💅🏾",
+    "nail_polish_medium-light_skin_tone": "💅🏼",
+    "nail_polish_medium_skin_tone": "💅🏽",
+    "name_badge": "📛",
+    "national_park": "🏞",
+    "nauseated_face": "🤢",
+    "nazar_amulet": "🧿",
+    "necktie": "👔",
+    "nerd_face": "🤓",
+    "neutral_face": "😐",
+    "new_moon": "🌑",
+    "new_moon_face": "🌚",
+    "newspaper": "📰",
+    "next_track_button": "⏭",
+    "night_with_stars": "🌃",
+    "nine-thirty": "🕤",
+    "nine_o’clock": "🕘",
+    "no_bicycles": "🚳",
+    "no_entry": "⛔",
+    "no_littering": "🚯",
+    "no_mobile_phones": "📵",
+    "no_one_under_eighteen": "🔞",
+    "no_pedestrians": "🚷",
+    "no_smoking": "🚭",
+    "non-potable_water": "🚱",
+    "nose": "👃",
+    "nose_dark_skin_tone": "👃🏿",
+    "nose_light_skin_tone": "👃🏻",
+    "nose_medium-dark_skin_tone": "👃🏾",
+    "nose_medium-light_skin_tone": "👃🏼",
+    "nose_medium_skin_tone": "👃🏽",
+    "notebook": "📓",
+    "notebook_with_decorative_cover": "📔",
+    "nut_and_bolt": "🔩",
+    "octopus": "🐙",
+    "oden": "🍢",
+    "office_building": "🏢",
+    "ogre": "👹",
+    "oil_drum": "🛢",
+    "old_key": "🗝",
+    "old_man": "👴",
+    "old_man_dark_skin_tone": "👴🏿",
+    "old_man_light_skin_tone": "👴🏻",
+    "old_man_medium-dark_skin_tone": "👴🏾",
+    "old_man_medium-light_skin_tone": "👴🏼",
+    "old_man_medium_skin_tone": "👴🏽",
+    "old_woman": "👵",
+    "old_woman_dark_skin_tone": "👵🏿",
+    "old_woman_light_skin_tone": "👵🏻",
+    "old_woman_medium-dark_skin_tone": "👵🏾",
+    "old_woman_medium-light_skin_tone": "👵🏼",
+    "old_woman_medium_skin_tone": "👵🏽",
+    "older_adult": "🧓",
+    "older_adult_dark_skin_tone": "🧓🏿",
+    "older_adult_light_skin_tone": "🧓🏻",
+    "older_adult_medium-dark_skin_tone": "🧓🏾",
+    "older_adult_medium-light_skin_tone": "🧓🏼",
+    "older_adult_medium_skin_tone": "🧓🏽",
+    "om": "🕉",
+    "oncoming_automobile": "🚘",
+    "oncoming_bus": "🚍",
+    "oncoming_fist": "👊",
+    "oncoming_fist_dark_skin_tone": "👊🏿",
+    "oncoming_fist_light_skin_tone": "👊🏻",
+    "oncoming_fist_medium-dark_skin_tone": "👊🏾",
+    "oncoming_fist_medium-light_skin_tone": "👊🏼",
+    "oncoming_fist_medium_skin_tone": "👊🏽",
+    "oncoming_police_car": "🚔",
+    "oncoming_taxi": "🚖",
+    "one-piece_swimsuit": "🩱",
+    "one-thirty": "🕜",
+    "one_o’clock": "🕐",
+    "onion": "🧅",
+    "open_book": "📖",
+    "open_file_folder": "📂",
+    "open_hands": "👐",
+    "open_hands_dark_skin_tone": "👐🏿",
+    "open_hands_light_skin_tone": "👐🏻",
+    "open_hands_medium-dark_skin_tone": "👐🏾",
+    "open_hands_medium-light_skin_tone": "👐🏼",
+    "open_hands_medium_skin_tone": "👐🏽",
+    "open_mailbox_with_lowered_flag": "📭",
+    "open_mailbox_with_raised_flag": "📬",
+    "optical_disk": "💿",
+    "orange_book": "📙",
+    "orange_circle": "🟠",
+    "orange_heart": "🧡",
+    "orange_square": "🟧",
+    "orangutan": "🦧",
+    "orthodox_cross": "☦",
+    "otter": "🦦",
+    "outbox_tray": "📤",
+    "owl": "🦉",
+    "ox": "🐂",
+    "oyster": "🦪",
+    "package": "📦",
+    "page_facing_up": "📄",
+    "page_with_curl": "📃",
+    "pager": "📟",
+    "paintbrush": "🖌",
+    "palm_tree": "🌴",
+    "palms_up_together": "🤲",
+    "palms_up_together_dark_skin_tone": "🤲🏿",
+    "palms_up_together_light_skin_tone": "🤲🏻",
+    "palms_up_together_medium-dark_skin_tone": "🤲🏾",
+    "palms_up_together_medium-light_skin_tone": "🤲🏼",
+    "palms_up_together_medium_skin_tone": "🤲🏽",
+    "pancakes": "🥞",
+    "panda_face": "🐼",
+    "paperclip": "📎",
+    "parrot": "🦜",
+    "part_alternation_mark": "〽",
+    "party_popper": "🎉",
+    "partying_face": "🥳",
+    "passenger_ship": "🛳",
+    "passport_control": "🛂",
+    "pause_button": "⏸",
+    "paw_prints": "🐾",
+    "peace_symbol": "☮",
+    "peach": "🍑",
+    "peacock": "🦚",
+    "peanuts": "🥜",
+    "pear": "🍐",
+    "pen": "🖊",
+    "pencil": "📝",
+    "penguin": "🐧",
+    "pensive_face": "😔",
+    "people_holding_hands": "🧑\u200d🤝\u200d🧑",
+    "people_with_bunny_ears": "👯",
+    "people_wrestling": "🤼",
+    "performing_arts": "🎭",
+    "persevering_face": "😣",
+    "person_biking": "🚴",
+    "person_biking_dark_skin_tone": "🚴🏿",
+    "person_biking_light_skin_tone": "🚴🏻",
+    "person_biking_medium-dark_skin_tone": "🚴🏾",
+    "person_biking_medium-light_skin_tone": "🚴🏼",
+    "person_biking_medium_skin_tone": "🚴🏽",
+    "person_bouncing_ball": "⛹",
+    "person_bouncing_ball_dark_skin_tone": "⛹🏿",
+    "person_bouncing_ball_light_skin_tone": "⛹🏻",
+    "person_bouncing_ball_medium-dark_skin_tone": "⛹🏾",
+    "person_bouncing_ball_medium-light_skin_tone": "⛹🏼",
+    "person_bouncing_ball_medium_skin_tone": "⛹🏽",
+    "person_bowing": "🙇",
+    "person_bowing_dark_skin_tone": "🙇🏿",
+    "person_bowing_light_skin_tone": "🙇🏻",
+    "person_bowing_medium-dark_skin_tone": "🙇🏾",
+    "person_bowing_medium-light_skin_tone": "🙇🏼",
+    "person_bowing_medium_skin_tone": "🙇🏽",
+    "person_cartwheeling": "🤸",
+    "person_cartwheeling_dark_skin_tone": "🤸🏿",
+    "person_cartwheeling_light_skin_tone": "🤸🏻",
+    "person_cartwheeling_medium-dark_skin_tone": "🤸🏾",
+    "person_cartwheeling_medium-light_skin_tone": "🤸🏼",
+    "person_cartwheeling_medium_skin_tone": "🤸🏽",
+    "person_climbing": "🧗",
+    "person_climbing_dark_skin_tone": "🧗🏿",
+    "person_climbing_light_skin_tone": "🧗🏻",
+    "person_climbing_medium-dark_skin_tone": "🧗🏾",
+    "person_climbing_medium-light_skin_tone": "🧗🏼",
+    "person_climbing_medium_skin_tone": "🧗🏽",
+    "person_facepalming": "🤦",
+    "person_facepalming_dark_skin_tone": "🤦🏿",
+    "person_facepalming_light_skin_tone": "🤦🏻",
+    "person_facepalming_medium-dark_skin_tone": "🤦🏾",
+    "person_facepalming_medium-light_skin_tone": "🤦🏼",
+    "person_facepalming_medium_skin_tone": "🤦🏽",
+    "person_fencing": "🤺",
+    "person_frowning": "🙍",
+    "person_frowning_dark_skin_tone": "🙍🏿",
+    "person_frowning_light_skin_tone": "🙍🏻",
+    "person_frowning_medium-dark_skin_tone": "🙍🏾",
+    "person_frowning_medium-light_skin_tone": "🙍🏼",
+    "person_frowning_medium_skin_tone": "🙍🏽",
+    "person_gesturing_no": "🙅",
+    "person_gesturing_no_dark_skin_tone": "🙅🏿",
+    "person_gesturing_no_light_skin_tone": "🙅🏻",
+    "person_gesturing_no_medium-dark_skin_tone": "🙅🏾",
+    "person_gesturing_no_medium-light_skin_tone": "🙅🏼",
+    "person_gesturing_no_medium_skin_tone": "🙅🏽",
+    "person_gesturing_ok": "🙆",
+    "person_gesturing_ok_dark_skin_tone": "🙆🏿",
+    "person_gesturing_ok_light_skin_tone": "🙆🏻",
+    "person_gesturing_ok_medium-dark_skin_tone": "🙆🏾",
+    "person_gesturing_ok_medium-light_skin_tone": "🙆🏼",
+    "person_gesturing_ok_medium_skin_tone": "🙆🏽",
+    "person_getting_haircut": "💇",
+    "person_getting_haircut_dark_skin_tone": "💇🏿",
+    "person_getting_haircut_light_skin_tone": "💇🏻",
+    "person_getting_haircut_medium-dark_skin_tone": "💇🏾",
+    "person_getting_haircut_medium-light_skin_tone": "💇🏼",
+    "person_getting_haircut_medium_skin_tone": "💇🏽",
+    "person_getting_massage": "💆",
+    "person_getting_massage_dark_skin_tone": "💆🏿",
+    "person_getting_massage_light_skin_tone": "💆🏻",
+    "person_getting_massage_medium-dark_skin_tone": "💆🏾",
+    "person_getting_massage_medium-light_skin_tone": "💆🏼",
+    "person_getting_massage_medium_skin_tone": "💆🏽",
+    "person_golfing": "🏌",
+    "person_golfing_dark_skin_tone": "🏌🏿",
+    "person_golfing_light_skin_tone": "🏌🏻",
+    "person_golfing_medium-dark_skin_tone": "🏌🏾",
+    "person_golfing_medium-light_skin_tone": "🏌🏼",
+    "person_golfing_medium_skin_tone": "🏌🏽",
+    "person_in_bed": "🛌",
+    "person_in_bed_dark_skin_tone": "🛌🏿",
+    "person_in_bed_light_skin_tone": "🛌🏻",
+    "person_in_bed_medium-dark_skin_tone": "🛌🏾",
+    "person_in_bed_medium-light_skin_tone": "🛌🏼",
+    "person_in_bed_medium_skin_tone": "🛌🏽",
+    "person_in_lotus_position": "🧘",
+    "person_in_lotus_position_dark_skin_tone": "🧘🏿",
+    "person_in_lotus_position_light_skin_tone": "🧘🏻",
+    "person_in_lotus_position_medium-dark_skin_tone": "🧘🏾",
+    "person_in_lotus_position_medium-light_skin_tone": "🧘🏼",
+    "person_in_lotus_position_medium_skin_tone": "🧘🏽",
+    "person_in_steamy_room": "🧖",
+    "person_in_steamy_room_dark_skin_tone": "🧖🏿",
+    "person_in_steamy_room_light_skin_tone": "🧖🏻",
+    "person_in_steamy_room_medium-dark_skin_tone": "🧖🏾",
+    "person_in_steamy_room_medium-light_skin_tone": "🧖🏼",
+    "person_in_steamy_room_medium_skin_tone": "🧖🏽",
+    "person_juggling": "🤹",
+    "person_juggling_dark_skin_tone": "🤹🏿",
+    "person_juggling_light_skin_tone": "🤹🏻",
+    "person_juggling_medium-dark_skin_tone": "🤹🏾",
+    "person_juggling_medium-light_skin_tone": "🤹🏼",
+    "person_juggling_medium_skin_tone": "🤹🏽",
+    "person_kneeling": "🧎",
+    "person_lifting_weights": "🏋",
+    "person_lifting_weights_dark_skin_tone": "🏋🏿",
+    "person_lifting_weights_light_skin_tone": "🏋🏻",
+    "person_lifting_weights_medium-dark_skin_tone": "🏋🏾",
+    "person_lifting_weights_medium-light_skin_tone": "🏋🏼",
+    "person_lifting_weights_medium_skin_tone": "🏋🏽",
+    "person_mountain_biking": "🚵",
+    "person_mountain_biking_dark_skin_tone": "🚵🏿",
+    "person_mountain_biking_light_skin_tone": "🚵🏻",
+    "person_mountain_biking_medium-dark_skin_tone": "🚵🏾",
+    "person_mountain_biking_medium-light_skin_tone": "🚵🏼",
+    "person_mountain_biking_medium_skin_tone": "🚵🏽",
+    "person_playing_handball": "🤾",
+    "person_playing_handball_dark_skin_tone": "🤾🏿",
+    "person_playing_handball_light_skin_tone": "🤾🏻",
+    "person_playing_handball_medium-dark_skin_tone": "🤾🏾",
+    "person_playing_handball_medium-light_skin_tone": "🤾🏼",
+    "person_playing_handball_medium_skin_tone": "🤾🏽",
+    "person_playing_water_polo": "🤽",
+    "person_playing_water_polo_dark_skin_tone": "🤽🏿",
+    "person_playing_water_polo_light_skin_tone": "🤽🏻",
+    "person_playing_water_polo_medium-dark_skin_tone": "🤽🏾",
+    "person_playing_water_polo_medium-light_skin_tone": "🤽🏼",
+    "person_playing_water_polo_medium_skin_tone": "🤽🏽",
+    "person_pouting": "🙎",
+    "person_pouting_dark_skin_tone": "🙎🏿",
+    "person_pouting_light_skin_tone": "🙎🏻",
+    "person_pouting_medium-dark_skin_tone": "🙎🏾",
+    "person_pouting_medium-light_skin_tone": "🙎🏼",
+    "person_pouting_medium_skin_tone": "🙎🏽",
+    "person_raising_hand": "🙋",
+    "person_raising_hand_dark_skin_tone": "🙋🏿",
+    "person_raising_hand_light_skin_tone": "🙋🏻",
+    "person_raising_hand_medium-dark_skin_tone": "🙋🏾",
+    "person_raising_hand_medium-light_skin_tone": "🙋🏼",
+    "person_raising_hand_medium_skin_tone": "🙋🏽",
+    "person_rowing_boat": "🚣",
+    "person_rowing_boat_dark_skin_tone": "🚣🏿",
+    "person_rowing_boat_light_skin_tone": "🚣🏻",
+    "person_rowing_boat_medium-dark_skin_tone": "🚣🏾",
+    "person_rowing_boat_medium-light_skin_tone": "🚣🏼",
+    "person_rowing_boat_medium_skin_tone": "🚣🏽",
+    "person_running": "🏃",
+    "person_running_dark_skin_tone": "🏃🏿",
+    "person_running_light_skin_tone": "🏃🏻",
+    "person_running_medium-dark_skin_tone": "🏃🏾",
+    "person_running_medium-light_skin_tone": "🏃🏼",
+    "person_running_medium_skin_tone": "🏃🏽",
+    "person_shrugging": "🤷",
+    "person_shrugging_dark_skin_tone": "🤷🏿",
+    "person_shrugging_light_skin_tone": "🤷🏻",
+    "person_shrugging_medium-dark_skin_tone": "🤷🏾",
+    "person_shrugging_medium-light_skin_tone": "🤷🏼",
+    "person_shrugging_medium_skin_tone": "🤷🏽",
+    "person_standing": "🧍",
+    "person_surfing": "🏄",
+    "person_surfing_dark_skin_tone": "🏄🏿",
+    "person_surfing_light_skin_tone": "🏄🏻",
+    "person_surfing_medium-dark_skin_tone": "🏄🏾",
+    "person_surfing_medium-light_skin_tone": "🏄🏼",
+    "person_surfing_medium_skin_tone": "🏄🏽",
+    "person_swimming": "🏊",
+    "person_swimming_dark_skin_tone": "🏊🏿",
+    "person_swimming_light_skin_tone": "🏊🏻",
+    "person_swimming_medium-dark_skin_tone": "🏊🏾",
+    "person_swimming_medium-light_skin_tone": "🏊🏼",
+    "person_swimming_medium_skin_tone": "🏊🏽",
+    "person_taking_bath": "🛀",
+    "person_taking_bath_dark_skin_tone": "🛀🏿",
+    "person_taking_bath_light_skin_tone": "🛀🏻",
+    "person_taking_bath_medium-dark_skin_tone": "🛀🏾",
+    "person_taking_bath_medium-light_skin_tone": "🛀🏼",
+    "person_taking_bath_medium_skin_tone": "🛀🏽",
+    "person_tipping_hand": "💁",
+    "person_tipping_hand_dark_skin_tone": "💁🏿",
+    "person_tipping_hand_light_skin_tone": "💁🏻",
+    "person_tipping_hand_medium-dark_skin_tone": "💁🏾",
+    "person_tipping_hand_medium-light_skin_tone": "💁🏼",
+    "person_tipping_hand_medium_skin_tone": "💁🏽",
+    "person_walking": "🚶",
+    "person_walking_dark_skin_tone": "🚶🏿",
+    "person_walking_light_skin_tone": "🚶🏻",
+    "person_walking_medium-dark_skin_tone": "🚶🏾",
+    "person_walking_medium-light_skin_tone": "🚶🏼",
+    "person_walking_medium_skin_tone": "🚶🏽",
+    "person_wearing_turban": "👳",
+    "person_wearing_turban_dark_skin_tone": "👳🏿",
+    "person_wearing_turban_light_skin_tone": "👳🏻",
+    "person_wearing_turban_medium-dark_skin_tone": "👳🏾",
+    "person_wearing_turban_medium-light_skin_tone": "👳🏼",
+    "person_wearing_turban_medium_skin_tone": "👳🏽",
+    "petri_dish": "🧫",
+    "pick": "⛏",
+    "pie": "🥧",
+    "pig": "🐷",
+    "pig_face": "🐷",
+    "pig_nose": "🐽",
+    "pile_of_poo": "💩",
+    "pill": "💊",
+    "pinching_hand": "🤏",
+    "pine_decoration": "🎍",
+    "pineapple": "🍍",
+    "ping_pong": "🏓",
+    "pirate_flag": "🏴\u200d☠️",
+    "pistol": "🔫",
+    "pizza": "🍕",
+    "place_of_worship": "🛐",
+    "play_button": "▶",
+    "play_or_pause_button": "⏯",
+    "pleading_face": "🥺",
+    "police_car": "🚓",
+    "police_car_light": "🚨",
+    "police_officer": "👮",
+    "police_officer_dark_skin_tone": "👮🏿",
+    "police_officer_light_skin_tone": "👮🏻",
+    "police_officer_medium-dark_skin_tone": "👮🏾",
+    "police_officer_medium-light_skin_tone": "👮🏼",
+    "police_officer_medium_skin_tone": "👮🏽",
+    "poodle": "🐩",
+    "pool_8_ball": "🎱",
+    "popcorn": "🍿",
+    "post_office": "🏣",
+    "postal_horn": "📯",
+    "postbox": "📮",
+    "pot_of_food": "🍲",
+    "potable_water": "🚰",
+    "potato": "🥔",
+    "poultry_leg": "🍗",
+    "pound_banknote": "💷",
+    "pouting_cat_face": "😾",
+    "pouting_face": "😡",
+    "prayer_beads": "📿",
+    "pregnant_woman": "🤰",
+    "pregnant_woman_dark_skin_tone": "🤰🏿",
+    "pregnant_woman_light_skin_tone": "🤰🏻",
+    "pregnant_woman_medium-dark_skin_tone": "🤰🏾",
+    "pregnant_woman_medium-light_skin_tone": "🤰🏼",
+    "pregnant_woman_medium_skin_tone": "🤰🏽",
+    "pretzel": "🥨",
+    "probing_cane": "🦯",
+    "prince": "🤴",
+    "prince_dark_skin_tone": "🤴🏿",
+    "prince_light_skin_tone": "🤴🏻",
+    "prince_medium-dark_skin_tone": "🤴🏾",
+    "prince_medium-light_skin_tone": "🤴🏼",
+    "prince_medium_skin_tone": "🤴🏽",
+    "princess": "👸",
+    "princess_dark_skin_tone": "👸🏿",
+    "princess_light_skin_tone": "👸🏻",
+    "princess_medium-dark_skin_tone": "👸🏾",
+    "princess_medium-light_skin_tone": "👸🏼",
+    "princess_medium_skin_tone": "👸🏽",
+    "printer": "🖨",
+    "prohibited": "🚫",
+    "purple_circle": "🟣",
+    "purple_heart": "💜",
+    "purple_square": "🟪",
+    "purse": "👛",
+    "pushpin": "📌",
+    "question_mark": "❓",
+    "rabbit": "🐰",
+    "rabbit_face": "🐰",
+    "raccoon": "🦝",
+    "racing_car": "🏎",
+    "radio": "📻",
+    "radio_button": "🔘",
+    "radioactive": "☢",
+    "railway_car": "🚃",
+    "railway_track": "🛤",
+    "rainbow": "🌈",
+    "rainbow_flag": "🏳️\u200d🌈",
+    "raised_back_of_hand": "🤚",
+    "raised_back_of_hand_dark_skin_tone": "🤚🏿",
+    "raised_back_of_hand_light_skin_tone": "🤚🏻",
+    "raised_back_of_hand_medium-dark_skin_tone": "🤚🏾",
+    "raised_back_of_hand_medium-light_skin_tone": "🤚🏼",
+    "raised_back_of_hand_medium_skin_tone": "🤚🏽",
+    "raised_fist": "✊",
+    "raised_fist_dark_skin_tone": "✊🏿",
+    "raised_fist_light_skin_tone": "✊🏻",
+    "raised_fist_medium-dark_skin_tone": "✊🏾",
+    "raised_fist_medium-light_skin_tone": "✊🏼",
+    "raised_fist_medium_skin_tone": "✊🏽",
+    "raised_hand": "✋",
+    "raised_hand_dark_skin_tone": "✋🏿",
+    "raised_hand_light_skin_tone": "✋🏻",
+    "raised_hand_medium-dark_skin_tone": "✋🏾",
+    "raised_hand_medium-light_skin_tone": "✋🏼",
+    "raised_hand_medium_skin_tone": "✋🏽",
+    "raising_hands": "🙌",
+    "raising_hands_dark_skin_tone": "🙌🏿",
+    "raising_hands_light_skin_tone": "🙌🏻",
+    "raising_hands_medium-dark_skin_tone": "🙌🏾",
+    "raising_hands_medium-light_skin_tone": "🙌🏼",
+    "raising_hands_medium_skin_tone": "🙌🏽",
+    "ram": "🐏",
+    "rat": "🐀",
+    "razor": "🪒",
+    "ringed_planet": "🪐",
+    "receipt": "🧾",
+    "record_button": "⏺",
+    "recycling_symbol": "♻",
+    "red_apple": "🍎",
+    "red_circle": "🔴",
+    "red_envelope": "🧧",
+    "red_hair": "🦰",
+    "red-haired_man": "👨\u200d🦰",
+    "red-haired_woman": "👩\u200d🦰",
+    "red_heart": "❤",
+    "red_paper_lantern": "🏮",
+    "red_square": "🟥",
+    "red_triangle_pointed_down": "🔻",
+    "red_triangle_pointed_up": "🔺",
+    "registered": "®",
+    "relieved_face": "😌",
+    "reminder_ribbon": "🎗",
+    "repeat_button": "🔁",
+    "repeat_single_button": "🔂",
+    "rescue_worker’s_helmet": "⛑",
+    "restroom": "🚻",
+    "reverse_button": "◀",
+    "revolving_hearts": "💞",
+    "rhinoceros": "🦏",
+    "ribbon": "🎀",
+    "rice_ball": "🍙",
+    "rice_cracker": "🍘",
+    "right-facing_fist": "🤜",
+    "right-facing_fist_dark_skin_tone": "🤜🏿",
+    "right-facing_fist_light_skin_tone": "🤜🏻",
+    "right-facing_fist_medium-dark_skin_tone": "🤜🏾",
+    "right-facing_fist_medium-light_skin_tone": "🤜🏼",
+    "right-facing_fist_medium_skin_tone": "🤜🏽",
+    "right_anger_bubble": "🗯",
+    "right_arrow": "➡",
+    "right_arrow_curving_down": "⤵",
+    "right_arrow_curving_left": "↩",
+    "right_arrow_curving_up": "⤴",
+    "ring": "💍",
+    "roasted_sweet_potato": "🍠",
+    "robot_face": "🤖",
+    "rocket": "🚀",
+    "roll_of_paper": "🧻",
+    "rolled-up_newspaper": "🗞",
+    "roller_coaster": "🎢",
+    "rolling_on_the_floor_laughing": "🤣",
+    "rooster": "🐓",
+    "rose": "🌹",
+    "rosette": "🏵",
+    "round_pushpin": "📍",
+    "rugby_football": "🏉",
+    "running_shirt": "🎽",
+    "running_shoe": "👟",
+    "sad_but_relieved_face": "😥",
+    "safety_pin": "🧷",
+    "safety_vest": "🦺",
+    "salt": "🧂",
+    "sailboat": "⛵",
+    "sake": "🍶",
+    "sandwich": "🥪",
+    "sari": "🥻",
+    "satellite": "📡",
+    "satellite_antenna": "📡",
+    "sauropod": "🦕",
+    "saxophone": "🎷",
+    "scarf": "🧣",
+    "school": "🏫",
+    "school_backpack": "🎒",
+    "scissors": "✂",
+    "scorpion": "🦂",
+    "scroll": "📜",
+    "seat": "💺",
+    "see-no-evil_monkey": "🙈",
+    "seedling": "🌱",
+    "selfie": "🤳",
+    "selfie_dark_skin_tone": "🤳🏿",
+    "selfie_light_skin_tone": "🤳🏻",
+    "selfie_medium-dark_skin_tone": "🤳🏾",
+    "selfie_medium-light_skin_tone": "🤳🏼",
+    "selfie_medium_skin_tone": "🤳🏽",
+    "service_dog": "🐕\u200d🦺",
+    "seven-thirty": "🕢",
+    "seven_o’clock": "🕖",
+    "shallow_pan_of_food": "🥘",
+    "shamrock": "☘",
+    "shark": "🦈",
+    "shaved_ice": "🍧",
+    "sheaf_of_rice": "🌾",
+    "shield": "🛡",
+    "shinto_shrine": "⛩",
+    "ship": "🚢",
+    "shooting_star": "🌠",
+    "shopping_bags": "🛍",
+    "shopping_cart": "🛒",
+    "shortcake": "🍰",
+    "shorts": "🩳",
+    "shower": "🚿",
+    "shrimp": "🦐",
+    "shuffle_tracks_button": "🔀",
+    "shushing_face": "🤫",
+    "sign_of_the_horns": "🤘",
+    "sign_of_the_horns_dark_skin_tone": "🤘🏿",
+    "sign_of_the_horns_light_skin_tone": "🤘🏻",
+    "sign_of_the_horns_medium-dark_skin_tone": "🤘🏾",
+    "sign_of_the_horns_medium-light_skin_tone": "🤘🏼",
+    "sign_of_the_horns_medium_skin_tone": "🤘🏽",
+    "six-thirty": "🕡",
+    "six_o’clock": "🕕",
+    "skateboard": "🛹",
+    "skier": "⛷",
+    "skis": "🎿",
+    "skull": "💀",
+    "skull_and_crossbones": "☠",
+    "skunk": "🦨",
+    "sled": "🛷",
+    "sleeping_face": "😴",
+    "sleepy_face": "😪",
+    "slightly_frowning_face": "🙁",
+    "slightly_smiling_face": "🙂",
+    "slot_machine": "🎰",
+    "sloth": "🦥",
+    "small_airplane": "🛩",
+    "small_blue_diamond": "🔹",
+    "small_orange_diamond": "🔸",
+    "smiling_cat_face_with_heart-eyes": "😻",
+    "smiling_face": "☺",
+    "smiling_face_with_halo": "😇",
+    "smiling_face_with_3_hearts": "🥰",
+    "smiling_face_with_heart-eyes": "😍",
+    "smiling_face_with_horns": "😈",
+    "smiling_face_with_smiling_eyes": "😊",
+    "smiling_face_with_sunglasses": "😎",
+    "smirking_face": "😏",
+    "snail": "🐌",
+    "snake": "🐍",
+    "sneezing_face": "🤧",
+    "snow-capped_mountain": "🏔",
+    "snowboarder": "🏂",
+    "snowboarder_dark_skin_tone": "🏂🏿",
+    "snowboarder_light_skin_tone": "🏂🏻",
+    "snowboarder_medium-dark_skin_tone": "🏂🏾",
+    "snowboarder_medium-light_skin_tone": "🏂🏼",
+    "snowboarder_medium_skin_tone": "🏂🏽",
+    "snowflake": "❄",
+    "snowman": "☃",
+    "snowman_without_snow": "⛄",
+    "soap": "🧼",
+    "soccer_ball": "⚽",
+    "socks": "🧦",
+    "softball": "🥎",
+    "soft_ice_cream": "🍦",
+    "spade_suit": "♠",
+    "spaghetti": "🍝",
+    "sparkle": "❇",
+    "sparkler": "🎇",
+    "sparkles": "✨",
+    "sparkling_heart": "💖",
+    "speak-no-evil_monkey": "🙊",
+    "speaker_high_volume": "🔊",
+    "speaker_low_volume": "🔈",
+    "speaker_medium_volume": "🔉",
+    "speaking_head": "🗣",
+    "speech_balloon": "💬",
+    "speedboat": "🚤",
+    "spider": "🕷",
+    "spider_web": "🕸",
+    "spiral_calendar": "🗓",
+    "spiral_notepad": "🗒",
+    "spiral_shell": "🐚",
+    "spoon": "🥄",
+    "sponge": "🧽",
+    "sport_utility_vehicle": "🚙",
+    "sports_medal": "🏅",
+    "spouting_whale": "🐳",
+    "squid": "🦑",
+    "squinting_face_with_tongue": "😝",
+    "stadium": "🏟",
+    "star-struck": "🤩",
+    "star_and_crescent": "☪",
+    "star_of_david": "✡",
+    "station": "🚉",
+    "steaming_bowl": "🍜",
+    "stethoscope": "🩺",
+    "stop_button": "⏹",
+    "stop_sign": "🛑",
+    "stopwatch": "⏱",
+    "straight_ruler": "📏",
+    "strawberry": "🍓",
+    "studio_microphone": "🎙",
+    "stuffed_flatbread": "🥙",
+    "sun": "☀",
+    "sun_behind_cloud": "⛅",
+    "sun_behind_large_cloud": "🌥",
+    "sun_behind_rain_cloud": "🌦",
+    "sun_behind_small_cloud": "🌤",
+    "sun_with_face": "🌞",
+    "sunflower": "🌻",
+    "sunglasses": "😎",
+    "sunrise": "🌅",
+    "sunrise_over_mountains": "🌄",
+    "sunset": "🌇",
+    "superhero": "🦸",
+    "supervillain": "🦹",
+    "sushi": "🍣",
+    "suspension_railway": "🚟",
+    "swan": "🦢",
+    "sweat_droplets": "💦",
+    "synagogue": "🕍",
+    "syringe": "💉",
+    "t-shirt": "👕",
+    "taco": "🌮",
+    "takeout_box": "🥡",
+    "tanabata_tree": "🎋",
+    "tangerine": "🍊",
+    "taxi": "🚕",
+    "teacup_without_handle": "🍵",
+    "tear-off_calendar": "📆",
+    "teddy_bear": "🧸",
+    "telephone": "☎",
+    "telephone_receiver": "📞",
+    "telescope": "🔭",
+    "television": "📺",
+    "ten-thirty": "🕥",
+    "ten_o’clock": "🕙",
+    "tennis": "🎾",
+    "tent": "⛺",
+    "test_tube": "🧪",
+    "thermometer": "🌡",
+    "thinking_face": "🤔",
+    "thought_balloon": "💭",
+    "thread": "🧵",
+    "three-thirty": "🕞",
+    "three_o’clock": "🕒",
+    "thumbs_down": "👎",
+    "thumbs_down_dark_skin_tone": "👎🏿",
+    "thumbs_down_light_skin_tone": "👎🏻",
+    "thumbs_down_medium-dark_skin_tone": "👎🏾",
+    "thumbs_down_medium-light_skin_tone": "👎🏼",
+    "thumbs_down_medium_skin_tone": "👎🏽",
+    "thumbs_up": "👍",
+    "thumbs_up_dark_skin_tone": "👍🏿",
+    "thumbs_up_light_skin_tone": "👍🏻",
+    "thumbs_up_medium-dark_skin_tone": "👍🏾",
+    "thumbs_up_medium-light_skin_tone": "👍🏼",
+    "thumbs_up_medium_skin_tone": "👍🏽",
+    "ticket": "🎫",
+    "tiger": "🐯",
+    "tiger_face": "🐯",
+    "timer_clock": "⏲",
+    "tired_face": "😫",
+    "toolbox": "🧰",
+    "toilet": "🚽",
+    "tomato": "🍅",
+    "tongue": "👅",
+    "tooth": "🦷",
+    "top_hat": "🎩",
+    "tornado": "🌪",
+    "trackball": "🖲",
+    "tractor": "🚜",
+    "trade_mark": "™",
+    "train": "🚋",
+    "tram": "🚊",
+    "tram_car": "🚋",
+    "triangular_flag": "🚩",
+    "triangular_ruler": "📐",
+    "trident_emblem": "🔱",
+    "trolleybus": "🚎",
+    "trophy": "🏆",
+    "tropical_drink": "🍹",
+    "tropical_fish": "🐠",
+    "trumpet": "🎺",
+    "tulip": "🌷",
+    "tumbler_glass": "🥃",
+    "turtle": "🐢",
+    "twelve-thirty": "🕧",
+    "twelve_o’clock": "🕛",
+    "two-hump_camel": "🐫",
+    "two-thirty": "🕝",
+    "two_hearts": "💕",
+    "two_men_holding_hands": "👬",
+    "two_o’clock": "🕑",
+    "two_women_holding_hands": "👭",
+    "umbrella": "☂",
+    "umbrella_on_ground": "⛱",
+    "umbrella_with_rain_drops": "☔",
+    "unamused_face": "😒",
+    "unicorn_face": "🦄",
+    "unlocked": "🔓",
+    "up-down_arrow": "↕",
+    "up-left_arrow": "↖",
+    "up-right_arrow": "↗",
+    "up_arrow": "⬆",
+    "upside-down_face": "🙃",
+    "upwards_button": "🔼",
+    "vampire": "🧛",
+    "vampire_dark_skin_tone": "🧛🏿",
+    "vampire_light_skin_tone": "🧛🏻",
+    "vampire_medium-dark_skin_tone": "🧛🏾",
+    "vampire_medium-light_skin_tone": "🧛🏼",
+    "vampire_medium_skin_tone": "🧛🏽",
+    "vertical_traffic_light": "🚦",
+    "vibration_mode": "📳",
+    "victory_hand": "✌",
+    "victory_hand_dark_skin_tone": "✌🏿",
+    "victory_hand_light_skin_tone": "✌🏻",
+    "victory_hand_medium-dark_skin_tone": "✌🏾",
+    "victory_hand_medium-light_skin_tone": "✌🏼",
+    "victory_hand_medium_skin_tone": "✌🏽",
+    "video_camera": "📹",
+    "video_game": "🎮",
+    "videocassette": "📼",
+    "violin": "🎻",
+    "volcano": "🌋",
+    "volleyball": "🏐",
+    "vulcan_salute": "🖖",
+    "vulcan_salute_dark_skin_tone": "🖖🏿",
+    "vulcan_salute_light_skin_tone": "🖖🏻",
+    "vulcan_salute_medium-dark_skin_tone": "🖖🏾",
+    "vulcan_salute_medium-light_skin_tone": "🖖🏼",
+    "vulcan_salute_medium_skin_tone": "🖖🏽",
+    "waffle": "🧇",
+    "waning_crescent_moon": "🌘",
+    "waning_gibbous_moon": "🌖",
+    "warning": "⚠",
+    "wastebasket": "🗑",
+    "watch": "⌚",
+    "water_buffalo": "🐃",
+    "water_closet": "🚾",
+    "water_wave": "🌊",
+    "watermelon": "🍉",
+    "waving_hand": "👋",
+    "waving_hand_dark_skin_tone": "👋🏿",
+    "waving_hand_light_skin_tone": "👋🏻",
+    "waving_hand_medium-dark_skin_tone": "👋🏾",
+    "waving_hand_medium-light_skin_tone": "👋🏼",
+    "waving_hand_medium_skin_tone": "👋🏽",
+    "wavy_dash": "〰",
+    "waxing_crescent_moon": "🌒",
+    "waxing_gibbous_moon": "🌔",
+    "weary_cat_face": "🙀",
+    "weary_face": "😩",
+    "wedding": "💒",
+    "whale": "🐳",
+    "wheel_of_dharma": "☸",
+    "wheelchair_symbol": "♿",
+    "white_circle": "⚪",
+    "white_exclamation_mark": "❕",
+    "white_flag": "🏳",
+    "white_flower": "💮",
+    "white_hair": "🦳",
+    "white-haired_man": "👨\u200d🦳",
+    "white-haired_woman": "👩\u200d🦳",
+    "white_heart": "🤍",
+    "white_heavy_check_mark": "✅",
+    "white_large_square": "⬜",
+    "white_medium-small_square": "◽",
+    "white_medium_square": "◻",
+    "white_medium_star": "⭐",
+    "white_question_mark": "❔",
+    "white_small_square": "▫",
+    "white_square_button": "🔳",
+    "wilted_flower": "🥀",
+    "wind_chime": "🎐",
+    "wind_face": "🌬",
+    "wine_glass": "🍷",
+    "winking_face": "😉",
+    "winking_face_with_tongue": "😜",
+    "wolf_face": "🐺",
+    "woman": "👩",
+    "woman_artist": "👩\u200d🎨",
+    "woman_artist_dark_skin_tone": "👩🏿\u200d🎨",
+    "woman_artist_light_skin_tone": "👩🏻\u200d🎨",
+    "woman_artist_medium-dark_skin_tone": "👩🏾\u200d🎨",
+    "woman_artist_medium-light_skin_tone": "👩🏼\u200d🎨",
+    "woman_artist_medium_skin_tone": "👩🏽\u200d🎨",
+    "woman_astronaut": "👩\u200d🚀",
+    "woman_astronaut_dark_skin_tone": "👩🏿\u200d🚀",
+    "woman_astronaut_light_skin_tone": "👩🏻\u200d🚀",
+    "woman_astronaut_medium-dark_skin_tone": "👩🏾\u200d🚀",
+    "woman_astronaut_medium-light_skin_tone": "👩🏼\u200d🚀",
+    "woman_astronaut_medium_skin_tone": "👩🏽\u200d🚀",
+    "woman_biking": "🚴\u200d♀️",
+    "woman_biking_dark_skin_tone": "🚴🏿\u200d♀️",
+    "woman_biking_light_skin_tone": "🚴🏻\u200d♀️",
+    "woman_biking_medium-dark_skin_tone": "🚴🏾\u200d♀️",
+    "woman_biking_medium-light_skin_tone": "🚴🏼\u200d♀️",
+    "woman_biking_medium_skin_tone": "🚴🏽\u200d♀️",
+    "woman_bouncing_ball": "⛹️\u200d♀️",
+    "woman_bouncing_ball_dark_skin_tone": "⛹🏿\u200d♀️",
+    "woman_bouncing_ball_light_skin_tone": "⛹🏻\u200d♀️",
+    "woman_bouncing_ball_medium-dark_skin_tone": "⛹🏾\u200d♀️",
+    "woman_bouncing_ball_medium-light_skin_tone": "⛹🏼\u200d♀️",
+    "woman_bouncing_ball_medium_skin_tone": "⛹🏽\u200d♀️",
+    "woman_bowing": "🙇\u200d♀️",
+    "woman_bowing_dark_skin_tone": "🙇🏿\u200d♀️",
+    "woman_bowing_light_skin_tone": "🙇🏻\u200d♀️",
+    "woman_bowing_medium-dark_skin_tone": "🙇🏾\u200d♀️",
+    "woman_bowing_medium-light_skin_tone": "🙇🏼\u200d♀️",
+    "woman_bowing_medium_skin_tone": "🙇🏽\u200d♀️",
+    "woman_cartwheeling": "🤸\u200d♀️",
+    "woman_cartwheeling_dark_skin_tone": "🤸🏿\u200d♀️",
+    "woman_cartwheeling_light_skin_tone": "🤸🏻\u200d♀️",
+    "woman_cartwheeling_medium-dark_skin_tone": "🤸🏾\u200d♀️",
+    "woman_cartwheeling_medium-light_skin_tone": "🤸🏼\u200d♀️",
+    "woman_cartwheeling_medium_skin_tone": "🤸🏽\u200d♀️",
+    "woman_climbing": "🧗\u200d♀️",
+    "woman_climbing_dark_skin_tone": "🧗🏿\u200d♀️",
+    "woman_climbing_light_skin_tone": "🧗🏻\u200d♀️",
+    "woman_climbing_medium-dark_skin_tone": "🧗🏾\u200d♀️",
+    "woman_climbing_medium-light_skin_tone": "🧗🏼\u200d♀️",
+    "woman_climbing_medium_skin_tone": "🧗🏽\u200d♀️",
+    "woman_construction_worker": "👷\u200d♀️",
+    "woman_construction_worker_dark_skin_tone": "👷🏿\u200d♀️",
+    "woman_construction_worker_light_skin_tone": "👷🏻\u200d♀️",
+    "woman_construction_worker_medium-dark_skin_tone": "👷🏾\u200d♀️",
+    "woman_construction_worker_medium-light_skin_tone": "👷🏼\u200d♀️",
+    "woman_construction_worker_medium_skin_tone": "👷🏽\u200d♀️",
+    "woman_cook": "👩\u200d🍳",
+    "woman_cook_dark_skin_tone": "👩🏿\u200d🍳",
+    "woman_cook_light_skin_tone": "👩🏻\u200d🍳",
+    "woman_cook_medium-dark_skin_tone": "👩🏾\u200d🍳",
+    "woman_cook_medium-light_skin_tone": "👩🏼\u200d🍳",
+    "woman_cook_medium_skin_tone": "👩🏽\u200d🍳",
+    "woman_dancing": "💃",
+    "woman_dancing_dark_skin_tone": "💃🏿",
+    "woman_dancing_light_skin_tone": "💃🏻",
+    "woman_dancing_medium-dark_skin_tone": "💃🏾",
+    "woman_dancing_medium-light_skin_tone": "💃🏼",
+    "woman_dancing_medium_skin_tone": "💃🏽",
+    "woman_dark_skin_tone": "👩🏿",
+    "woman_detective": "🕵️\u200d♀️",
+    "woman_detective_dark_skin_tone": "🕵🏿\u200d♀️",
+    "woman_detective_light_skin_tone": "🕵🏻\u200d♀️",
+    "woman_detective_medium-dark_skin_tone": "🕵🏾\u200d♀️",
+    "woman_detective_medium-light_skin_tone": "🕵🏼\u200d♀️",
+    "woman_detective_medium_skin_tone": "🕵🏽\u200d♀️",
+    "woman_elf": "🧝\u200d♀️",
+    "woman_elf_dark_skin_tone": "🧝🏿\u200d♀️",
+    "woman_elf_light_skin_tone": "🧝🏻\u200d♀️",
+    "woman_elf_medium-dark_skin_tone": "🧝🏾\u200d♀️",
+    "woman_elf_medium-light_skin_tone": "🧝🏼\u200d♀️",
+    "woman_elf_medium_skin_tone": "🧝🏽\u200d♀️",
+    "woman_facepalming": "🤦\u200d♀️",
+    "woman_facepalming_dark_skin_tone": "🤦🏿\u200d♀️",
+    "woman_facepalming_light_skin_tone": "🤦🏻\u200d♀️",
+    "woman_facepalming_medium-dark_skin_tone": "🤦🏾\u200d♀️",
+    "woman_facepalming_medium-light_skin_tone": "🤦🏼\u200d♀️",
+    "woman_facepalming_medium_skin_tone": "🤦🏽\u200d♀️",
+    "woman_factory_worker": "👩\u200d🏭",
+    "woman_factory_worker_dark_skin_tone": "👩🏿\u200d🏭",
+    "woman_factory_worker_light_skin_tone": "👩🏻\u200d🏭",
+    "woman_factory_worker_medium-dark_skin_tone": "👩🏾\u200d🏭",
+    "woman_factory_worker_medium-light_skin_tone": "👩🏼\u200d🏭",
+    "woman_factory_worker_medium_skin_tone": "👩🏽\u200d🏭",
+    "woman_fairy": "🧚\u200d♀️",
+    "woman_fairy_dark_skin_tone": "🧚🏿\u200d♀️",
+    "woman_fairy_light_skin_tone": "🧚🏻\u200d♀️",
+    "woman_fairy_medium-dark_skin_tone": "🧚🏾\u200d♀️",
+    "woman_fairy_medium-light_skin_tone": "🧚🏼\u200d♀️",
+    "woman_fairy_medium_skin_tone": "🧚🏽\u200d♀️",
+    "woman_farmer": "👩\u200d🌾",
+    "woman_farmer_dark_skin_tone": "👩🏿\u200d🌾",
+    "woman_farmer_light_skin_tone": "👩🏻\u200d🌾",
+    "woman_farmer_medium-dark_skin_tone": "👩🏾\u200d🌾",
+    "woman_farmer_medium-light_skin_tone": "👩🏼\u200d🌾",
+    "woman_farmer_medium_skin_tone": "👩🏽\u200d🌾",
+    "woman_firefighter": "👩\u200d🚒",
+    "woman_firefighter_dark_skin_tone": "👩🏿\u200d🚒",
+    "woman_firefighter_light_skin_tone": "👩🏻\u200d🚒",
+    "woman_firefighter_medium-dark_skin_tone": "👩🏾\u200d🚒",
+    "woman_firefighter_medium-light_skin_tone": "👩🏼\u200d🚒",
+    "woman_firefighter_medium_skin_tone": "👩🏽\u200d🚒",
+    "woman_frowning": "🙍\u200d♀️",
+    "woman_frowning_dark_skin_tone": "🙍🏿\u200d♀️",
+    "woman_frowning_light_skin_tone": "🙍🏻\u200d♀️",
+    "woman_frowning_medium-dark_skin_tone": "🙍🏾\u200d♀️",
+    "woman_frowning_medium-light_skin_tone": "🙍🏼\u200d♀️",
+    "woman_frowning_medium_skin_tone": "🙍🏽\u200d♀️",
+    "woman_genie": "🧞\u200d♀️",
+    "woman_gesturing_no": "🙅\u200d♀️",
+    "woman_gesturing_no_dark_skin_tone": "🙅🏿\u200d♀️",
+    "woman_gesturing_no_light_skin_tone": "🙅🏻\u200d♀️",
+    "woman_gesturing_no_medium-dark_skin_tone": "🙅🏾\u200d♀️",
+    "woman_gesturing_no_medium-light_skin_tone": "🙅🏼\u200d♀️",
+    "woman_gesturing_no_medium_skin_tone": "🙅🏽\u200d♀️",
+    "woman_gesturing_ok": "🙆\u200d♀️",
+    "woman_gesturing_ok_dark_skin_tone": "🙆🏿\u200d♀️",
+    "woman_gesturing_ok_light_skin_tone": "🙆🏻\u200d♀️",
+    "woman_gesturing_ok_medium-dark_skin_tone": "🙆🏾\u200d♀️",
+    "woman_gesturing_ok_medium-light_skin_tone": "🙆🏼\u200d♀️",
+    "woman_gesturing_ok_medium_skin_tone": "🙆🏽\u200d♀️",
+    "woman_getting_haircut": "💇\u200d♀️",
+    "woman_getting_haircut_dark_skin_tone": "💇🏿\u200d♀️",
+    "woman_getting_haircut_light_skin_tone": "💇🏻\u200d♀️",
+    "woman_getting_haircut_medium-dark_skin_tone": "💇🏾\u200d♀️",
+    "woman_getting_haircut_medium-light_skin_tone": "💇🏼\u200d♀️",
+    "woman_getting_haircut_medium_skin_tone": "💇🏽\u200d♀️",
+    "woman_getting_massage": "💆\u200d♀️",
+    "woman_getting_massage_dark_skin_tone": "💆🏿\u200d♀️",
+    "woman_getting_massage_light_skin_tone": "💆🏻\u200d♀️",
+    "woman_getting_massage_medium-dark_skin_tone": "💆🏾\u200d♀️",
+    "woman_getting_massage_medium-light_skin_tone": "💆🏼\u200d♀️",
+    "woman_getting_massage_medium_skin_tone": "💆🏽\u200d♀️",
+    "woman_golfing": "🏌️\u200d♀️",
+    "woman_golfing_dark_skin_tone": "🏌🏿\u200d♀️",
+    "woman_golfing_light_skin_tone": "🏌🏻\u200d♀️",
+    "woman_golfing_medium-dark_skin_tone": "🏌🏾\u200d♀️",
+    "woman_golfing_medium-light_skin_tone": "🏌🏼\u200d♀️",
+    "woman_golfing_medium_skin_tone": "🏌🏽\u200d♀️",
+    "woman_guard": "💂\u200d♀️",
+    "woman_guard_dark_skin_tone": "💂🏿\u200d♀️",
+    "woman_guard_light_skin_tone": "💂🏻\u200d♀️",
+    "woman_guard_medium-dark_skin_tone": "💂🏾\u200d♀️",
+    "woman_guard_medium-light_skin_tone": "💂🏼\u200d♀️",
+    "woman_guard_medium_skin_tone": "💂🏽\u200d♀️",
+    "woman_health_worker": "👩\u200d⚕️",
+    "woman_health_worker_dark_skin_tone": "👩🏿\u200d⚕️",
+    "woman_health_worker_light_skin_tone": "👩🏻\u200d⚕️",
+    "woman_health_worker_medium-dark_skin_tone": "👩🏾\u200d⚕️",
+    "woman_health_worker_medium-light_skin_tone": "👩🏼\u200d⚕️",
+    "woman_health_worker_medium_skin_tone": "👩🏽\u200d⚕️",
+    "woman_in_lotus_position": "🧘\u200d♀️",
+    "woman_in_lotus_position_dark_skin_tone": "🧘🏿\u200d♀️",
+    "woman_in_lotus_position_light_skin_tone": "🧘🏻\u200d♀️",
+    "woman_in_lotus_position_medium-dark_skin_tone": "🧘🏾\u200d♀️",
+    "woman_in_lotus_position_medium-light_skin_tone": "🧘🏼\u200d♀️",
+    "woman_in_lotus_position_medium_skin_tone": "🧘🏽\u200d♀️",
+    "woman_in_manual_wheelchair": "👩\u200d🦽",
+    "woman_in_motorized_wheelchair": "👩\u200d🦼",
+    "woman_in_steamy_room": "🧖\u200d♀️",
+    "woman_in_steamy_room_dark_skin_tone": "🧖🏿\u200d♀️",
+    "woman_in_steamy_room_light_skin_tone": "🧖🏻\u200d♀️",
+    "woman_in_steamy_room_medium-dark_skin_tone": "🧖🏾\u200d♀️",
+    "woman_in_steamy_room_medium-light_skin_tone": "🧖🏼\u200d♀️",
+    "woman_in_steamy_room_medium_skin_tone": "🧖🏽\u200d♀️",
+    "woman_judge": "👩\u200d⚖️",
+    "woman_judge_dark_skin_tone": "👩🏿\u200d⚖️",
+    "woman_judge_light_skin_tone": "👩🏻\u200d⚖️",
+    "woman_judge_medium-dark_skin_tone": "👩🏾\u200d⚖️",
+    "woman_judge_medium-light_skin_tone": "👩🏼\u200d⚖️",
+    "woman_judge_medium_skin_tone": "👩🏽\u200d⚖️",
+    "woman_juggling": "🤹\u200d♀️",
+    "woman_juggling_dark_skin_tone": "🤹🏿\u200d♀️",
+    "woman_juggling_light_skin_tone": "🤹🏻\u200d♀️",
+    "woman_juggling_medium-dark_skin_tone": "🤹🏾\u200d♀️",
+    "woman_juggling_medium-light_skin_tone": "🤹🏼\u200d♀️",
+    "woman_juggling_medium_skin_tone": "🤹🏽\u200d♀️",
+    "woman_lifting_weights": "🏋️\u200d♀️",
+    "woman_lifting_weights_dark_skin_tone": "🏋🏿\u200d♀️",
+    "woman_lifting_weights_light_skin_tone": "🏋🏻\u200d♀️",
+    "woman_lifting_weights_medium-dark_skin_tone": "🏋🏾\u200d♀️",
+    "woman_lifting_weights_medium-light_skin_tone": "🏋🏼\u200d♀️",
+    "woman_lifting_weights_medium_skin_tone": "🏋🏽\u200d♀️",
+    "woman_light_skin_tone": "👩🏻",
+    "woman_mage": "🧙\u200d♀️",
+    "woman_mage_dark_skin_tone": "🧙🏿\u200d♀️",
+    "woman_mage_light_skin_tone": "🧙🏻\u200d♀️",
+    "woman_mage_medium-dark_skin_tone": "🧙🏾\u200d♀️",
+    "woman_mage_medium-light_skin_tone": "🧙🏼\u200d♀️",
+    "woman_mage_medium_skin_tone": "🧙🏽\u200d♀️",
+    "woman_mechanic": "👩\u200d🔧",
+    "woman_mechanic_dark_skin_tone": "👩🏿\u200d🔧",
+    "woman_mechanic_light_skin_tone": "👩🏻\u200d🔧",
+    "woman_mechanic_medium-dark_skin_tone": "👩🏾\u200d🔧",
+    "woman_mechanic_medium-light_skin_tone": "👩🏼\u200d🔧",
+    "woman_mechanic_medium_skin_tone": "👩🏽\u200d🔧",
+    "woman_medium-dark_skin_tone": "👩🏾",
+    "woman_medium-light_skin_tone": "👩🏼",
+    "woman_medium_skin_tone": "👩🏽",
+    "woman_mountain_biking": "🚵\u200d♀️",
+    "woman_mountain_biking_dark_skin_tone": "🚵🏿\u200d♀️",
+    "woman_mountain_biking_light_skin_tone": "🚵🏻\u200d♀️",
+    "woman_mountain_biking_medium-dark_skin_tone": "🚵🏾\u200d♀️",
+    "woman_mountain_biking_medium-light_skin_tone": "🚵🏼\u200d♀️",
+    "woman_mountain_biking_medium_skin_tone": "🚵🏽\u200d♀️",
+    "woman_office_worker": "👩\u200d💼",
+    "woman_office_worker_dark_skin_tone": "👩🏿\u200d💼",
+    "woman_office_worker_light_skin_tone": "👩🏻\u200d💼",
+    "woman_office_worker_medium-dark_skin_tone": "👩🏾\u200d💼",
+    "woman_office_worker_medium-light_skin_tone": "👩🏼\u200d💼",
+    "woman_office_worker_medium_skin_tone": "👩🏽\u200d💼",
+    "woman_pilot": "👩\u200d✈️",
+    "woman_pilot_dark_skin_tone": "👩🏿\u200d✈️",
+    "woman_pilot_light_skin_tone": "👩🏻\u200d✈️",
+    "woman_pilot_medium-dark_skin_tone": "👩🏾\u200d✈️",
+    "woman_pilot_medium-light_skin_tone": "👩🏼\u200d✈️",
+    "woman_pilot_medium_skin_tone": "👩🏽\u200d✈️",
+    "woman_playing_handball": "🤾\u200d♀️",
+    "woman_playing_handball_dark_skin_tone": "🤾🏿\u200d♀️",
+    "woman_playing_handball_light_skin_tone": "🤾🏻\u200d♀️",
+    "woman_playing_handball_medium-dark_skin_tone": "🤾🏾\u200d♀️",
+    "woman_playing_handball_medium-light_skin_tone": "🤾🏼\u200d♀️",
+    "woman_playing_handball_medium_skin_tone": "🤾🏽\u200d♀️",
+    "woman_playing_water_polo": "🤽\u200d♀️",
+    "woman_playing_water_polo_dark_skin_tone": "🤽🏿\u200d♀️",
+    "woman_playing_water_polo_light_skin_tone": "🤽🏻\u200d♀️",
+    "woman_playing_water_polo_medium-dark_skin_tone": "🤽🏾\u200d♀️",
+    "woman_playing_water_polo_medium-light_skin_tone": "🤽🏼\u200d♀️",
+    "woman_playing_water_polo_medium_skin_tone": "🤽🏽\u200d♀️",
+    "woman_police_officer": "👮\u200d♀️",
+    "woman_police_officer_dark_skin_tone": "👮🏿\u200d♀️",
+    "woman_police_officer_light_skin_tone": "👮🏻\u200d♀️",
+    "woman_police_officer_medium-dark_skin_tone": "👮🏾\u200d♀️",
+    "woman_police_officer_medium-light_skin_tone": "👮🏼\u200d♀️",
+    "woman_police_officer_medium_skin_tone": "👮🏽\u200d♀️",
+    "woman_pouting": "🙎\u200d♀️",
+    "woman_pouting_dark_skin_tone": "🙎🏿\u200d♀️",
+    "woman_pouting_light_skin_tone": "🙎🏻\u200d♀️",
+    "woman_pouting_medium-dark_skin_tone": "🙎🏾\u200d♀️",
+    "woman_pouting_medium-light_skin_tone": "🙎🏼\u200d♀️",
+    "woman_pouting_medium_skin_tone": "🙎🏽\u200d♀️",
+    "woman_raising_hand": "🙋\u200d♀️",
+    "woman_raising_hand_dark_skin_tone": "🙋🏿\u200d♀️",
+    "woman_raising_hand_light_skin_tone": "🙋🏻\u200d♀️",
+    "woman_raising_hand_medium-dark_skin_tone": "🙋🏾\u200d♀️",
+    "woman_raising_hand_medium-light_skin_tone": "🙋🏼\u200d♀️",
+    "woman_raising_hand_medium_skin_tone": "🙋🏽\u200d♀️",
+    "woman_rowing_boat": "🚣\u200d♀️",
+    "woman_rowing_boat_dark_skin_tone": "🚣🏿\u200d♀️",
+    "woman_rowing_boat_light_skin_tone": "🚣🏻\u200d♀️",
+    "woman_rowing_boat_medium-dark_skin_tone": "🚣🏾\u200d♀️",
+    "woman_rowing_boat_medium-light_skin_tone": "🚣🏼\u200d♀️",
+    "woman_rowing_boat_medium_skin_tone": "🚣🏽\u200d♀️",
+    "woman_running": "🏃\u200d♀️",
+    "woman_running_dark_skin_tone": "🏃🏿\u200d♀️",
+    "woman_running_light_skin_tone": "🏃🏻\u200d♀️",
+    "woman_running_medium-dark_skin_tone": "🏃🏾\u200d♀️",
+    "woman_running_medium-light_skin_tone": "🏃🏼\u200d♀️",
+    "woman_running_medium_skin_tone": "🏃🏽\u200d♀️",
+    "woman_scientist": "👩\u200d🔬",
+    "woman_scientist_dark_skin_tone": "👩🏿\u200d🔬",
+    "woman_scientist_light_skin_tone": "👩🏻\u200d🔬",
+    "woman_scientist_medium-dark_skin_tone": "👩🏾\u200d🔬",
+    "woman_scientist_medium-light_skin_tone": "👩🏼\u200d🔬",
+    "woman_scientist_medium_skin_tone": "👩🏽\u200d🔬",
+    "woman_shrugging": "🤷\u200d♀️",
+    "woman_shrugging_dark_skin_tone": "🤷🏿\u200d♀️",
+    "woman_shrugging_light_skin_tone": "🤷🏻\u200d♀️",
+    "woman_shrugging_medium-dark_skin_tone": "🤷🏾\u200d♀️",
+    "woman_shrugging_medium-light_skin_tone": "🤷🏼\u200d♀️",
+    "woman_shrugging_medium_skin_tone": "🤷🏽\u200d♀️",
+    "woman_singer": "👩\u200d🎤",
+    "woman_singer_dark_skin_tone": "👩🏿\u200d🎤",
+    "woman_singer_light_skin_tone": "👩🏻\u200d🎤",
+    "woman_singer_medium-dark_skin_tone": "👩🏾\u200d🎤",
+    "woman_singer_medium-light_skin_tone": "👩🏼\u200d🎤",
+    "woman_singer_medium_skin_tone": "👩🏽\u200d🎤",
+    "woman_student": "👩\u200d🎓",
+    "woman_student_dark_skin_tone": "👩🏿\u200d🎓",
+    "woman_student_light_skin_tone": "👩🏻\u200d🎓",
+    "woman_student_medium-dark_skin_tone": "👩🏾\u200d🎓",
+    "woman_student_medium-light_skin_tone": "👩🏼\u200d🎓",
+    "woman_student_medium_skin_tone": "👩🏽\u200d🎓",
+    "woman_surfing": "🏄\u200d♀️",
+    "woman_surfing_dark_skin_tone": "🏄🏿\u200d♀️",
+    "woman_surfing_light_skin_tone": "🏄🏻\u200d♀️",
+    "woman_surfing_medium-dark_skin_tone": "🏄🏾\u200d♀️",
+    "woman_surfing_medium-light_skin_tone": "🏄🏼\u200d♀️",
+    "woman_surfing_medium_skin_tone": "🏄🏽\u200d♀️",
+    "woman_swimming": "🏊\u200d♀️",
+    "woman_swimming_dark_skin_tone": "🏊🏿\u200d♀️",
+    "woman_swimming_light_skin_tone": "🏊🏻\u200d♀️",
+    "woman_swimming_medium-dark_skin_tone": "🏊🏾\u200d♀️",
+    "woman_swimming_medium-light_skin_tone": "🏊🏼\u200d♀️",
+    "woman_swimming_medium_skin_tone": "🏊🏽\u200d♀️",
+    "woman_teacher": "👩\u200d🏫",
+    "woman_teacher_dark_skin_tone": "👩🏿\u200d🏫",
+    "woman_teacher_light_skin_tone": "👩🏻\u200d🏫",
+    "woman_teacher_medium-dark_skin_tone": "👩🏾\u200d🏫",
+    "woman_teacher_medium-light_skin_tone": "👩🏼\u200d🏫",
+    "woman_teacher_medium_skin_tone": "👩🏽\u200d🏫",
+    "woman_technologist": "👩\u200d💻",
+    "woman_technologist_dark_skin_tone": "👩🏿\u200d💻",
+    "woman_technologist_light_skin_tone": "👩🏻\u200d💻",
+    "woman_technologist_medium-dark_skin_tone": "👩🏾\u200d💻",
+    "woman_technologist_medium-light_skin_tone": "👩🏼\u200d💻",
+    "woman_technologist_medium_skin_tone": "👩🏽\u200d💻",
+    "woman_tipping_hand": "💁\u200d♀️",
+    "woman_tipping_hand_dark_skin_tone": "💁🏿\u200d♀️",
+    "woman_tipping_hand_light_skin_tone": "💁🏻\u200d♀️",
+    "woman_tipping_hand_medium-dark_skin_tone": "💁🏾\u200d♀️",
+    "woman_tipping_hand_medium-light_skin_tone": "💁🏼\u200d♀️",
+    "woman_tipping_hand_medium_skin_tone": "💁🏽\u200d♀️",
+    "woman_vampire": "🧛\u200d♀️",
+    "woman_vampire_dark_skin_tone": "🧛🏿\u200d♀️",
+    "woman_vampire_light_skin_tone": "🧛🏻\u200d♀️",
+    "woman_vampire_medium-dark_skin_tone": "🧛🏾\u200d♀️",
+    "woman_vampire_medium-light_skin_tone": "🧛🏼\u200d♀️",
+    "woman_vampire_medium_skin_tone": "🧛🏽\u200d♀️",
+    "woman_walking": "🚶\u200d♀️",
+    "woman_walking_dark_skin_tone": "🚶🏿\u200d♀️",
+    "woman_walking_light_skin_tone": "🚶🏻\u200d♀️",
+    "woman_walking_medium-dark_skin_tone": "🚶🏾\u200d♀️",
+    "woman_walking_medium-light_skin_tone": "🚶🏼\u200d♀️",
+    "woman_walking_medium_skin_tone": "🚶🏽\u200d♀️",
+    "woman_wearing_turban": "👳\u200d♀️",
+    "woman_wearing_turban_dark_skin_tone": "👳🏿\u200d♀️",
+    "woman_wearing_turban_light_skin_tone": "👳🏻\u200d♀️",
+    "woman_wearing_turban_medium-dark_skin_tone": "👳🏾\u200d♀️",
+    "woman_wearing_turban_medium-light_skin_tone": "👳🏼\u200d♀️",
+    "woman_wearing_turban_medium_skin_tone": "👳🏽\u200d♀️",
+    "woman_with_headscarf": "🧕",
+    "woman_with_headscarf_dark_skin_tone": "🧕🏿",
+    "woman_with_headscarf_light_skin_tone": "🧕🏻",
+    "woman_with_headscarf_medium-dark_skin_tone": "🧕🏾",
+    "woman_with_headscarf_medium-light_skin_tone": "🧕🏼",
+    "woman_with_headscarf_medium_skin_tone": "🧕🏽",
+    "woman_with_probing_cane": "👩\u200d🦯",
+    "woman_zombie": "🧟\u200d♀️",
+    "woman’s_boot": "👢",
+    "woman’s_clothes": "👚",
+    "woman’s_hat": "👒",
+    "woman’s_sandal": "👡",
+    "women_with_bunny_ears": "👯\u200d♀️",
+    "women_wrestling": "🤼\u200d♀️",
+    "women’s_room": "🚺",
+    "woozy_face": "🥴",
+    "world_map": "🗺",
+    "worried_face": "😟",
+    "wrapped_gift": "🎁",
+    "wrench": "🔧",
+    "writing_hand": "✍",
+    "writing_hand_dark_skin_tone": "✍🏿",
+    "writing_hand_light_skin_tone": "✍🏻",
+    "writing_hand_medium-dark_skin_tone": "✍🏾",
+    "writing_hand_medium-light_skin_tone": "✍🏼",
+    "writing_hand_medium_skin_tone": "✍🏽",
+    "yarn": "🧶",
+    "yawning_face": "🥱",
+    "yellow_circle": "🟡",
+    "yellow_heart": "💛",
+    "yellow_square": "🟨",
+    "yen_banknote": "💴",
+    "yo-yo": "🪀",
+    "yin_yang": "☯",
+    "zany_face": "🤪",
+    "zebra": "🦓",
+    "zipper-mouth_face": "🤐",
+    "zombie": "🧟",
+    "zzz": "💤",
+    "åland_islands": "🇦🇽",
+    "keycap_asterisk": "*⃣",
+    "keycap_digit_eight": "8⃣",
+    "keycap_digit_five": "5⃣",
+    "keycap_digit_four": "4⃣",
+    "keycap_digit_nine": "9⃣",
+    "keycap_digit_one": "1⃣",
+    "keycap_digit_seven": "7⃣",
+    "keycap_digit_six": "6⃣",
+    "keycap_digit_three": "3⃣",
+    "keycap_digit_two": "2⃣",
+    "keycap_digit_zero": "0⃣",
+    "keycap_number_sign": "#⃣",
+    "light_skin_tone": "🏻",
+    "medium_light_skin_tone": "🏼",
+    "medium_skin_tone": "🏽",
+    "medium_dark_skin_tone": "🏾",
+    "dark_skin_tone": "🏿",
+    "regional_indicator_symbol_letter_a": "🇦",
+    "regional_indicator_symbol_letter_b": "🇧",
+    "regional_indicator_symbol_letter_c": "🇨",
+    "regional_indicator_symbol_letter_d": "🇩",
+    "regional_indicator_symbol_letter_e": "🇪",
+    "regional_indicator_symbol_letter_f": "🇫",
+    "regional_indicator_symbol_letter_g": "🇬",
+    "regional_indicator_symbol_letter_h": "🇭",
+    "regional_indicator_symbol_letter_i": "🇮",
+    "regional_indicator_symbol_letter_j": "🇯",
+    "regional_indicator_symbol_letter_k": "🇰",
+    "regional_indicator_symbol_letter_l": "🇱",
+    "regional_indicator_symbol_letter_m": "🇲",
+    "regional_indicator_symbol_letter_n": "🇳",
+    "regional_indicator_symbol_letter_o": "🇴",
+    "regional_indicator_symbol_letter_p": "🇵",
+    "regional_indicator_symbol_letter_q": "🇶",
+    "regional_indicator_symbol_letter_r": "🇷",
+    "regional_indicator_symbol_letter_s": "🇸",
+    "regional_indicator_symbol_letter_t": "🇹",
+    "regional_indicator_symbol_letter_u": "🇺",
+    "regional_indicator_symbol_letter_v": "🇻",
+    "regional_indicator_symbol_letter_w": "🇼",
+    "regional_indicator_symbol_letter_x": "🇽",
+    "regional_indicator_symbol_letter_y": "🇾",
+    "regional_indicator_symbol_letter_z": "🇿",
+    "airplane_arriving": "🛬",
+    "space_invader": "👾",
+    "football": "🏈",
+    "anger": "💢",
+    "angry": "😠",
+    "anguished": "😧",
+    "signal_strength": "📶",
+    "arrows_counterclockwise": "🔄",
+    "arrow_heading_down": "⤵",
+    "arrow_heading_up": "⤴",
+    "art": "🎨",
+    "astonished": "😲",
+    "athletic_shoe": "👟",
+    "atm": "🏧",
+    "car": "🚗",
+    "red_car": "🚗",
+    "angel": "👼",
+    "back": "🔙",
+    "badminton_racquet_and_shuttlecock": "🏸",
+    "dollar": "💵",
+    "euro": "💶",
+    "pound": "💷",
+    "yen": "💴",
+    "barber": "💈",
+    "bath": "🛀",
+    "bear": "🐻",
+    "heartbeat": "💓",
+    "beer": "🍺",
+    "no_bell": "🔕",
+    "bento": "🍱",
+    "bike": "🚲",
+    "bicyclist": "🚴",
+    "8ball": "🎱",
+    "biohazard_sign": "☣",
+    "birthday": "🎂",
+    "black_circle_for_record": "⏺",
+    "clubs": "♣",
+    "diamonds": "♦",
+    "arrow_double_down": "⏬",
+    "hearts": "♥",
+    "rewind": "⏪",
+    "black_left__pointing_double_triangle_with_vertical_bar": "⏮",
+    "arrow_backward": "◀",
+    "black_medium_small_square": "◾",
+    "question": "❓",
+    "fast_forward": "⏩",
+    "black_right__pointing_double_triangle_with_vertical_bar": "⏭",
+    "arrow_forward": "▶",
+    "black_right__pointing_triangle_with_double_vertical_bar": "⏯",
+    "arrow_right": "➡",
+    "spades": "♠",
+    "black_square_for_stop": "⏹",
+    "sunny": "☀",
+    "phone": "☎",
+    "recycle": "♻",
+    "arrow_double_up": "⏫",
+    "busstop": "🚏",
+    "date": "📅",
+    "flags": "🎏",
+    "cat2": "🐈",
+    "joy_cat": "😹",
+    "smirk_cat": "😼",
+    "chart_with_downwards_trend": "📉",
+    "chart_with_upwards_trend": "📈",
+    "chart": "💹",
+    "mega": "📣",
+    "checkered_flag": "🏁",
+    "accept": "🉑",
+    "ideograph_advantage": "🉐",
+    "congratulations": "㊗",
+    "secret": "㊙",
+    "m": "Ⓜ",
+    "city_sunset": "🌆",
+    "clapper": "🎬",
+    "clap": "👏",
+    "beers": "🍻",
+    "clock830": "🕣",
+    "clock8": "🕗",
+    "clock1130": "🕦",
+    "clock11": "🕚",
+    "clock530": "🕠",
+    "clock5": "🕔",
+    "clock430": "🕟",
+    "clock4": "🕓",
+    "clock930": "🕤",
+    "clock9": "🕘",
+    "clock130": "🕜",
+    "clock1": "🕐",
+    "clock730": "🕢",
+    "clock7": "🕖",
+    "clock630": "🕡",
+    "clock6": "🕕",
+    "clock1030": "🕥",
+    "clock10": "🕙",
+    "clock330": "🕞",
+    "clock3": "🕒",
+    "clock1230": "🕧",
+    "clock12": "🕛",
+    "clock230": "🕝",
+    "clock2": "🕑",
+    "arrows_clockwise": "🔃",
+    "repeat": "🔁",
+    "repeat_one": "🔂",
+    "closed_lock_with_key": "🔐",
+    "mailbox_closed": "📪",
+    "mailbox": "📫",
+    "cloud_with_tornado": "🌪",
+    "cocktail": "🍸",
+    "boom": "💥",
+    "compression": "🗜",
+    "confounded": "😖",
+    "confused": "😕",
+    "rice": "🍚",
+    "cow2": "🐄",
+    "cricket_bat_and_ball": "🏏",
+    "x": "❌",
+    "cry": "😢",
+    "curry": "🍛",
+    "dagger_knife": "🗡",
+    "dancer": "💃",
+    "dark_sunglasses": "🕶",
+    "dash": "💨",
+    "truck": "🚚",
+    "derelict_house_building": "🏚",
+    "diamond_shape_with_a_dot_inside": "💠",
+    "dart": "🎯",
+    "disappointed_relieved": "😥",
+    "disappointed": "😞",
+    "do_not_litter": "🚯",
+    "dog2": "🐕",
+    "flipper": "🐬",
+    "loop": "➿",
+    "bangbang": "‼",
+    "double_vertical_bar": "⏸",
+    "dove_of_peace": "🕊",
+    "small_red_triangle_down": "🔻",
+    "arrow_down_small": "🔽",
+    "arrow_down": "⬇",
+    "dromedary_camel": "🐪",
+    "e__mail": "📧",
+    "corn": "🌽",
+    "ear_of_rice": "🌾",
+    "earth_americas": "🌎",
+    "earth_asia": "🌏",
+    "earth_africa": "🌍",
+    "eight_pointed_black_star": "✴",
+    "eight_spoked_asterisk": "✳",
+    "eject_symbol": "⏏",
+    "bulb": "💡",
+    "emoji_modifier_fitzpatrick_type__1__2": "🏻",
+    "emoji_modifier_fitzpatrick_type__3": "🏼",
+    "emoji_modifier_fitzpatrick_type__4": "🏽",
+    "emoji_modifier_fitzpatrick_type__5": "🏾",
+    "emoji_modifier_fitzpatrick_type__6": "🏿",
+    "end": "🔚",
+    "email": "✉",
+    "european_castle": "🏰",
+    "european_post_office": "🏤",
+    "interrobang": "⁉",
+    "expressionless": "😑",
+    "eyeglasses": "👓",
+    "massage": "💆",
+    "yum": "😋",
+    "scream": "😱",
+    "kissing_heart": "😘",
+    "sweat": "😓",
+    "face_with_head__bandage": "🤕",
+    "triumph": "😤",
+    "mask": "😷",
+    "no_good": "🙅",
+    "ok_woman": "🙆",
+    "open_mouth": "😮",
+    "cold_sweat": "😰",
+    "stuck_out_tongue": "😛",
+    "stuck_out_tongue_closed_eyes": "😝",
+    "stuck_out_tongue_winking_eye": "😜",
+    "joy": "😂",
+    "no_mouth": "😶",
+    "santa": "🎅",
+    "fax": "📠",
+    "fearful": "😨",
+    "field_hockey_stick_and_ball": "🏑",
+    "first_quarter_moon_with_face": "🌛",
+    "fish_cake": "🍥",
+    "fishing_pole_and_fish": "🎣",
+    "facepunch": "👊",
+    "punch": "👊",
+    "flag_for_afghanistan": "🇦🇫",
+    "flag_for_albania": "🇦🇱",
+    "flag_for_algeria": "🇩🇿",
+    "flag_for_american_samoa": "🇦🇸",
+    "flag_for_andorra": "🇦🇩",
+    "flag_for_angola": "🇦🇴",
+    "flag_for_anguilla": "🇦🇮",
+    "flag_for_antarctica": "🇦🇶",
+    "flag_for_antigua_&_barbuda": "🇦🇬",
+    "flag_for_argentina": "🇦🇷",
+    "flag_for_armenia": "🇦🇲",
+    "flag_for_aruba": "🇦🇼",
+    "flag_for_ascension_island": "🇦🇨",
+    "flag_for_australia": "🇦🇺",
+    "flag_for_austria": "🇦🇹",
+    "flag_for_azerbaijan": "🇦🇿",
+    "flag_for_bahamas": "🇧🇸",
+    "flag_for_bahrain": "🇧🇭",
+    "flag_for_bangladesh": "🇧🇩",
+    "flag_for_barbados": "🇧🇧",
+    "flag_for_belarus": "🇧🇾",
+    "flag_for_belgium": "🇧🇪",
+    "flag_for_belize": "🇧🇿",
+    "flag_for_benin": "🇧🇯",
+    "flag_for_bermuda": "🇧🇲",
+    "flag_for_bhutan": "🇧🇹",
+    "flag_for_bolivia": "🇧🇴",
+    "flag_for_bosnia_&_herzegovina": "🇧🇦",
+    "flag_for_botswana": "🇧🇼",
+    "flag_for_bouvet_island": "🇧🇻",
+    "flag_for_brazil": "🇧🇷",
+    "flag_for_british_indian_ocean_territory": "🇮🇴",
+    "flag_for_british_virgin_islands": "🇻🇬",
+    "flag_for_brunei": "🇧🇳",
+    "flag_for_bulgaria": "🇧🇬",
+    "flag_for_burkina_faso": "🇧🇫",
+    "flag_for_burundi": "🇧🇮",
+    "flag_for_cambodia": "🇰🇭",
+    "flag_for_cameroon": "🇨🇲",
+    "flag_for_canada": "🇨🇦",
+    "flag_for_canary_islands": "🇮🇨",
+    "flag_for_cape_verde": "🇨🇻",
+    "flag_for_caribbean_netherlands": "🇧🇶",
+    "flag_for_cayman_islands": "🇰🇾",
+    "flag_for_central_african_republic": "🇨🇫",
+    "flag_for_ceuta_&_melilla": "🇪🇦",
+    "flag_for_chad": "🇹🇩",
+    "flag_for_chile": "🇨🇱",
+    "flag_for_china": "🇨🇳",
+    "flag_for_christmas_island": "🇨🇽",
+    "flag_for_clipperton_island": "🇨🇵",
+    "flag_for_cocos__islands": "🇨🇨",
+    "flag_for_colombia": "🇨🇴",
+    "flag_for_comoros": "🇰🇲",
+    "flag_for_congo____brazzaville": "🇨🇬",
+    "flag_for_congo____kinshasa": "🇨🇩",
+    "flag_for_cook_islands": "🇨🇰",
+    "flag_for_costa_rica": "🇨🇷",
+    "flag_for_croatia": "🇭🇷",
+    "flag_for_cuba": "🇨🇺",
+    "flag_for_curaçao": "🇨🇼",
+    "flag_for_cyprus": "🇨🇾",
+    "flag_for_czech_republic": "🇨🇿",
+    "flag_for_côte_d’ivoire": "🇨🇮",
+    "flag_for_denmark": "🇩🇰",
+    "flag_for_diego_garcia": "🇩🇬",
+    "flag_for_djibouti": "🇩🇯",
+    "flag_for_dominica": "🇩🇲",
+    "flag_for_dominican_republic": "🇩🇴",
+    "flag_for_ecuador": "🇪🇨",
+    "flag_for_egypt": "🇪🇬",
+    "flag_for_el_salvador": "🇸🇻",
+    "flag_for_equatorial_guinea": "🇬🇶",
+    "flag_for_eritrea": "🇪🇷",
+    "flag_for_estonia": "🇪🇪",
+    "flag_for_ethiopia": "🇪🇹",
+    "flag_for_european_union": "🇪🇺",
+    "flag_for_falkland_islands": "🇫🇰",
+    "flag_for_faroe_islands": "🇫🇴",
+    "flag_for_fiji": "🇫🇯",
+    "flag_for_finland": "🇫🇮",
+    "flag_for_france": "🇫🇷",
+    "flag_for_french_guiana": "🇬🇫",
+    "flag_for_french_polynesia": "🇵🇫",
+    "flag_for_french_southern_territories": "🇹🇫",
+    "flag_for_gabon": "🇬🇦",
+    "flag_for_gambia": "🇬🇲",
+    "flag_for_georgia": "🇬🇪",
+    "flag_for_germany": "🇩🇪",
+    "flag_for_ghana": "🇬🇭",
+    "flag_for_gibraltar": "🇬🇮",
+    "flag_for_greece": "🇬🇷",
+    "flag_for_greenland": "🇬🇱",
+    "flag_for_grenada": "🇬🇩",
+    "flag_for_guadeloupe": "🇬🇵",
+    "flag_for_guam": "🇬🇺",
+    "flag_for_guatemala": "🇬🇹",
+    "flag_for_guernsey": "🇬🇬",
+    "flag_for_guinea": "🇬🇳",
+    "flag_for_guinea__bissau": "🇬🇼",
+    "flag_for_guyana": "🇬🇾",
+    "flag_for_haiti": "🇭🇹",
+    "flag_for_heard_&_mcdonald_islands": "🇭🇲",
+    "flag_for_honduras": "🇭🇳",
+    "flag_for_hong_kong": "🇭🇰",
+    "flag_for_hungary": "🇭🇺",
+    "flag_for_iceland": "🇮🇸",
+    "flag_for_india": "🇮🇳",
+    "flag_for_indonesia": "🇮🇩",
+    "flag_for_iran": "🇮🇷",
+    "flag_for_iraq": "🇮🇶",
+    "flag_for_ireland": "🇮🇪",
+    "flag_for_isle_of_man": "🇮🇲",
+    "flag_for_israel": "🇮🇱",
+    "flag_for_italy": "🇮🇹",
+    "flag_for_jamaica": "🇯🇲",
+    "flag_for_japan": "🇯🇵",
+    "flag_for_jersey": "🇯🇪",
+    "flag_for_jordan": "🇯🇴",
+    "flag_for_kazakhstan": "🇰🇿",
+    "flag_for_kenya": "🇰🇪",
+    "flag_for_kiribati": "🇰🇮",
+    "flag_for_kosovo": "🇽🇰",
+    "flag_for_kuwait": "🇰🇼",
+    "flag_for_kyrgyzstan": "🇰🇬",
+    "flag_for_laos": "🇱🇦",
+    "flag_for_latvia": "🇱🇻",
+    "flag_for_lebanon": "🇱🇧",
+    "flag_for_lesotho": "🇱🇸",
+    "flag_for_liberia": "🇱🇷",
+    "flag_for_libya": "🇱🇾",
+    "flag_for_liechtenstein": "🇱🇮",
+    "flag_for_lithuania": "🇱🇹",
+    "flag_for_luxembourg": "🇱🇺",
+    "flag_for_macau": "🇲🇴",
+    "flag_for_macedonia": "🇲🇰",
+    "flag_for_madagascar": "🇲🇬",
+    "flag_for_malawi": "🇲🇼",
+    "flag_for_malaysia": "🇲🇾",
+    "flag_for_maldives": "🇲🇻",
+    "flag_for_mali": "🇲🇱",
+    "flag_for_malta": "🇲🇹",
+    "flag_for_marshall_islands": "🇲🇭",
+    "flag_for_martinique": "🇲🇶",
+    "flag_for_mauritania": "🇲🇷",
+    "flag_for_mauritius": "🇲🇺",
+    "flag_for_mayotte": "🇾🇹",
+    "flag_for_mexico": "🇲🇽",
+    "flag_for_micronesia": "🇫🇲",
+    "flag_for_moldova": "🇲🇩",
+    "flag_for_monaco": "🇲🇨",
+    "flag_for_mongolia": "🇲🇳",
+    "flag_for_montenegro": "🇲🇪",
+    "flag_for_montserrat": "🇲🇸",
+    "flag_for_morocco": "🇲🇦",
+    "flag_for_mozambique": "🇲🇿",
+    "flag_for_myanmar": "🇲🇲",
+    "flag_for_namibia": "🇳🇦",
+    "flag_for_nauru": "🇳🇷",
+    "flag_for_nepal": "🇳🇵",
+    "flag_for_netherlands": "🇳🇱",
+    "flag_for_new_caledonia": "🇳🇨",
+    "flag_for_new_zealand": "🇳🇿",
+    "flag_for_nicaragua": "🇳🇮",
+    "flag_for_niger": "🇳🇪",
+    "flag_for_nigeria": "🇳🇬",
+    "flag_for_niue": "🇳🇺",
+    "flag_for_norfolk_island": "🇳🇫",
+    "flag_for_north_korea": "🇰🇵",
+    "flag_for_northern_mariana_islands": "🇲🇵",
+    "flag_for_norway": "🇳🇴",
+    "flag_for_oman": "🇴🇲",
+    "flag_for_pakistan": "🇵🇰",
+    "flag_for_palau": "🇵🇼",
+    "flag_for_palestinian_territories": "🇵🇸",
+    "flag_for_panama": "🇵🇦",
+    "flag_for_papua_new_guinea": "🇵🇬",
+    "flag_for_paraguay": "🇵🇾",
+    "flag_for_peru": "🇵🇪",
+    "flag_for_philippines": "🇵🇭",
+    "flag_for_pitcairn_islands": "🇵🇳",
+    "flag_for_poland": "🇵🇱",
+    "flag_for_portugal": "🇵🇹",
+    "flag_for_puerto_rico": "🇵🇷",
+    "flag_for_qatar": "🇶🇦",
+    "flag_for_romania": "🇷🇴",
+    "flag_for_russia": "🇷🇺",
+    "flag_for_rwanda": "🇷🇼",
+    "flag_for_réunion": "🇷🇪",
+    "flag_for_samoa": "🇼🇸",
+    "flag_for_san_marino": "🇸🇲",
+    "flag_for_saudi_arabia": "🇸🇦",
+    "flag_for_senegal": "🇸🇳",
+    "flag_for_serbia": "🇷🇸",
+    "flag_for_seychelles": "🇸🇨",
+    "flag_for_sierra_leone": "🇸🇱",
+    "flag_for_singapore": "🇸🇬",
+    "flag_for_sint_maarten": "🇸🇽",
+    "flag_for_slovakia": "🇸🇰",
+    "flag_for_slovenia": "🇸🇮",
+    "flag_for_solomon_islands": "🇸🇧",
+    "flag_for_somalia": "🇸🇴",
+    "flag_for_south_africa": "🇿🇦",
+    "flag_for_south_georgia_&_south_sandwich_islands": "🇬🇸",
+    "flag_for_south_korea": "🇰🇷",
+    "flag_for_south_sudan": "🇸🇸",
+    "flag_for_spain": "🇪🇸",
+    "flag_for_sri_lanka": "🇱🇰",
+    "flag_for_st._barthélemy": "🇧🇱",
+    "flag_for_st._helena": "🇸🇭",
+    "flag_for_st._kitts_&_nevis": "🇰🇳",
+    "flag_for_st._lucia": "🇱🇨",
+    "flag_for_st._martin": "🇲🇫",
+    "flag_for_st._pierre_&_miquelon": "🇵🇲",
+    "flag_for_st._vincent_&_grenadines": "🇻🇨",
+    "flag_for_sudan": "🇸🇩",
+    "flag_for_suriname": "🇸🇷",
+    "flag_for_svalbard_&_jan_mayen": "🇸🇯",
+    "flag_for_swaziland": "🇸🇿",
+    "flag_for_sweden": "🇸🇪",
+    "flag_for_switzerland": "🇨🇭",
+    "flag_for_syria": "🇸🇾",
+    "flag_for_são_tomé_&_príncipe": "🇸🇹",
+    "flag_for_taiwan": "🇹🇼",
+    "flag_for_tajikistan": "🇹🇯",
+    "flag_for_tanzania": "🇹🇿",
+    "flag_for_thailand": "🇹🇭",
+    "flag_for_timor__leste": "🇹🇱",
+    "flag_for_togo": "🇹🇬",
+    "flag_for_tokelau": "🇹🇰",
+    "flag_for_tonga": "🇹🇴",
+    "flag_for_trinidad_&_tobago": "🇹🇹",
+    "flag_for_tristan_da_cunha": "🇹🇦",
+    "flag_for_tunisia": "🇹🇳",
+    "flag_for_turkey": "🇹🇷",
+    "flag_for_turkmenistan": "🇹🇲",
+    "flag_for_turks_&_caicos_islands": "🇹🇨",
+    "flag_for_tuvalu": "🇹🇻",
+    "flag_for_u.s._outlying_islands": "🇺🇲",
+    "flag_for_u.s._virgin_islands": "🇻🇮",
+    "flag_for_uganda": "🇺🇬",
+    "flag_for_ukraine": "🇺🇦",
+    "flag_for_united_arab_emirates": "🇦🇪",
+    "flag_for_united_kingdom": "🇬🇧",
+    "flag_for_united_states": "🇺🇸",
+    "flag_for_uruguay": "🇺🇾",
+    "flag_for_uzbekistan": "🇺🇿",
+    "flag_for_vanuatu": "🇻🇺",
+    "flag_for_vatican_city": "🇻🇦",
+    "flag_for_venezuela": "🇻🇪",
+    "flag_for_vietnam": "🇻🇳",
+    "flag_for_wallis_&_futuna": "🇼🇫",
+    "flag_for_western_sahara": "🇪🇭",
+    "flag_for_yemen": "🇾🇪",
+    "flag_for_zambia": "🇿🇲",
+    "flag_for_zimbabwe": "🇿🇼",
+    "flag_for_åland_islands": "🇦🇽",
+    "golf": "⛳",
+    "fleur__de__lis": "⚜",
+    "muscle": "💪",
+    "flushed": "😳",
+    "frame_with_picture": "🖼",
+    "fries": "🍟",
+    "frog": "🐸",
+    "hatched_chick": "🐥",
+    "frowning": "😦",
+    "fuelpump": "⛽",
+    "full_moon_with_face": "🌝",
+    "gem": "💎",
+    "star2": "🌟",
+    "golfer": "🏌",
+    "mortar_board": "🎓",
+    "grimacing": "😬",
+    "smile_cat": "😸",
+    "grinning": "😀",
+    "grin": "😁",
+    "heartpulse": "💗",
+    "guardsman": "💂",
+    "haircut": "💇",
+    "hamster": "🐹",
+    "raising_hand": "🙋",
+    "headphones": "🎧",
+    "hear_no_evil": "🙉",
+    "cupid": "💘",
+    "gift_heart": "💝",
+    "heart": "❤",
+    "exclamation": "❗",
+    "heavy_exclamation_mark": "❗",
+    "heavy_heart_exclamation_mark_ornament": "❣",
+    "o": "⭕",
+    "helm_symbol": "⎈",
+    "helmet_with_white_cross": "⛑",
+    "high_heel": "👠",
+    "bullettrain_side": "🚄",
+    "bullettrain_front": "🚅",
+    "high_brightness": "🔆",
+    "zap": "⚡",
+    "hocho": "🔪",
+    "knife": "🔪",
+    "bee": "🐝",
+    "traffic_light": "🚥",
+    "racehorse": "🐎",
+    "coffee": "☕",
+    "hotsprings": "♨",
+    "hourglass": "⌛",
+    "hourglass_flowing_sand": "⏳",
+    "house_buildings": "🏘",
+    "100": "💯",
+    "hushed": "😯",
+    "ice_hockey_stick_and_puck": "🏒",
+    "imp": "👿",
+    "information_desk_person": "💁",
+    "information_source": "ℹ",
+    "capital_abcd": "🔠",
+    "abc": "🔤",
+    "abcd": "🔡",
+    "1234": "🔢",
+    "symbols": "🔣",
+    "izakaya_lantern": "🏮",
+    "lantern": "🏮",
+    "jack_o_lantern": "🎃",
+    "dolls": "🎎",
+    "japanese_goblin": "👺",
+    "japanese_ogre": "👹",
+    "beginner": "🔰",
+    "zero": "0️⃣",
+    "one": "1️⃣",
+    "ten": "🔟",
+    "two": "2️⃣",
+    "three": "3️⃣",
+    "four": "4️⃣",
+    "five": "5️⃣",
+    "six": "6️⃣",
+    "seven": "7️⃣",
+    "eight": "8️⃣",
+    "nine": "9️⃣",
+    "couplekiss": "💏",
+    "kissing_cat": "😽",
+    "kissing": "😗",
+    "kissing_closed_eyes": "😚",
+    "kissing_smiling_eyes": "😙",
+    "beetle": "🐞",
+    "large_blue_circle": "🔵",
+    "last_quarter_moon_with_face": "🌜",
+    "leaves": "🍃",
+    "mag": "🔍",
+    "left_right_arrow": "↔",
+    "leftwards_arrow_with_hook": "↩",
+    "arrow_left": "⬅",
+    "lock": "🔒",
+    "lock_with_ink_pen": "🔏",
+    "sob": "😭",
+    "low_brightness": "🔅",
+    "lower_left_ballpoint_pen": "🖊",
+    "lower_left_crayon": "🖍",
+    "lower_left_fountain_pen": "🖋",
+    "lower_left_paintbrush": "🖌",
+    "mahjong": "🀄",
+    "couple": "👫",
+    "man_in_business_suit_levitating": "🕴",
+    "man_with_gua_pi_mao": "👲",
+    "man_with_turban": "👳",
+    "mans_shoe": "👞",
+    "shoe": "👞",
+    "menorah_with_nine_branches": "🕎",
+    "mens": "🚹",
+    "minidisc": "💽",
+    "iphone": "📱",
+    "calling": "📲",
+    "money__mouth_face": "🤑",
+    "moneybag": "💰",
+    "rice_scene": "🎑",
+    "mountain_bicyclist": "🚵",
+    "mouse2": "🐁",
+    "lips": "👄",
+    "moyai": "🗿",
+    "notes": "🎶",
+    "nail_care": "💅",
+    "ab": "🆎",
+    "negative_squared_cross_mark": "❎",
+    "a": "🅰",
+    "b": "🅱",
+    "o2": "🅾",
+    "parking": "🅿",
+    "new_moon_with_face": "🌚",
+    "no_entry_sign": "🚫",
+    "underage": "🔞",
+    "non__potable_water": "🚱",
+    "arrow_upper_right": "↗",
+    "arrow_upper_left": "↖",
+    "office": "🏢",
+    "older_man": "👴",
+    "older_woman": "👵",
+    "om_symbol": "🕉",
+    "on": "🔛",
+    "book": "📖",
+    "unlock": "🔓",
+    "mailbox_with_no_mail": "📭",
+    "mailbox_with_mail": "📬",
+    "cd": "💿",
+    "tada": "🎉",
+    "feet": "🐾",
+    "walking": "🚶",
+    "pencil2": "✏",
+    "pensive": "😔",
+    "persevere": "😣",
+    "bow": "🙇",
+    "raised_hands": "🙌",
+    "person_with_ball": "⛹",
+    "person_with_blond_hair": "👱",
+    "pray": "🙏",
+    "person_with_pouting_face": "🙎",
+    "computer": "💻",
+    "pig2": "🐖",
+    "hankey": "💩",
+    "poop": "💩",
+    "shit": "💩",
+    "bamboo": "🎍",
+    "gun": "🔫",
+    "black_joker": "🃏",
+    "rotating_light": "🚨",
+    "cop": "👮",
+    "stew": "🍲",
+    "pouch": "👝",
+    "pouting_cat": "😾",
+    "rage": "😡",
+    "put_litter_in_its_place": "🚮",
+    "rabbit2": "🐇",
+    "racing_motorcycle": "🏍",
+    "radioactive_sign": "☢",
+    "fist": "✊",
+    "hand": "✋",
+    "raised_hand_with_fingers_splayed": "🖐",
+    "raised_hand_with_part_between_middle_and_ring_fingers": "🖖",
+    "blue_car": "🚙",
+    "apple": "🍎",
+    "relieved": "😌",
+    "reversed_hand_with_middle_finger_extended": "🖕",
+    "mag_right": "🔎",
+    "arrow_right_hook": "↪",
+    "sweet_potato": "🍠",
+    "robot": "🤖",
+    "rolled__up_newspaper": "🗞",
+    "rowboat": "🚣",
+    "runner": "🏃",
+    "running": "🏃",
+    "running_shirt_with_sash": "🎽",
+    "boat": "⛵",
+    "scales": "⚖",
+    "school_satchel": "🎒",
+    "scorpius": "♏",
+    "see_no_evil": "🙈",
+    "sheep": "🐑",
+    "stars": "🌠",
+    "cake": "🍰",
+    "six_pointed_star": "🔯",
+    "ski": "🎿",
+    "sleeping_accommodation": "🛌",
+    "sleeping": "😴",
+    "sleepy": "😪",
+    "sleuth_or_spy": "🕵",
+    "heart_eyes_cat": "😻",
+    "smiley_cat": "😺",
+    "innocent": "😇",
+    "heart_eyes": "😍",
+    "smiling_imp": "😈",
+    "smiley": "😃",
+    "sweat_smile": "😅",
+    "smile": "😄",
+    "laughing": "😆",
+    "satisfied": "😆",
+    "blush": "😊",
+    "smirk": "😏",
+    "smoking": "🚬",
+    "snow_capped_mountain": "🏔",
+    "soccer": "⚽",
+    "icecream": "🍦",
+    "soon": "🔜",
+    "arrow_lower_right": "↘",
+    "arrow_lower_left": "↙",
+    "speak_no_evil": "🙊",
+    "speaker": "🔈",
+    "mute": "🔇",
+    "sound": "🔉",
+    "loud_sound": "🔊",
+    "speaking_head_in_silhouette": "🗣",
+    "spiral_calendar_pad": "🗓",
+    "spiral_note_pad": "🗒",
+    "shell": "🐚",
+    "sweat_drops": "💦",
+    "u5272": "🈹",
+    "u5408": "🈴",
+    "u55b6": "🈺",
+    "u6307": "🈯",
+    "u6708": "🈷",
+    "u6709": "🈶",
+    "u6e80": "🈵",
+    "u7121": "🈚",
+    "u7533": "🈸",
+    "u7981": "🈲",
+    "u7a7a": "🈳",
+    "cl": "🆑",
+    "cool": "🆒",
+    "free": "🆓",
+    "id": "🆔",
+    "koko": "🈁",
+    "sa": "🈂",
+    "new": "🆕",
+    "ng": "🆖",
+    "ok": "🆗",
+    "sos": "🆘",
+    "up": "🆙",
+    "vs": "🆚",
+    "steam_locomotive": "🚂",
+    "ramen": "🍜",
+    "partly_sunny": "⛅",
+    "city_sunrise": "🌇",
+    "surfer": "🏄",
+    "swimmer": "🏊",
+    "shirt": "👕",
+    "tshirt": "👕",
+    "table_tennis_paddle_and_ball": "🏓",
+    "tea": "🍵",
+    "tv": "📺",
+    "three_button_mouse": "🖱",
+    "+1": "👍",
+    "thumbsup": "👍",
+    "__1": "👎",
+    "-1": "👎",
+    "thumbsdown": "👎",
+    "thunder_cloud_and_rain": "⛈",
+    "tiger2": "🐅",
+    "tophat": "🎩",
+    "top": "🔝",
+    "tm": "™",
+    "train2": "🚆",
+    "triangular_flag_on_post": "🚩",
+    "trident": "🔱",
+    "twisted_rightwards_arrows": "🔀",
+    "unamused": "😒",
+    "small_red_triangle": "🔺",
+    "arrow_up_small": "🔼",
+    "arrow_up_down": "↕",
+    "upside__down_face": "🙃",
+    "arrow_up": "⬆",
+    "v": "✌",
+    "vhs": "📼",
+    "wc": "🚾",
+    "ocean": "🌊",
+    "waving_black_flag": "🏴",
+    "wave": "👋",
+    "waving_white_flag": "🏳",
+    "moon": "🌔",
+    "scream_cat": "🙀",
+    "weary": "😩",
+    "weight_lifter": "🏋",
+    "whale2": "🐋",
+    "wheelchair": "♿",
+    "point_down": "👇",
+    "grey_exclamation": "❕",
+    "white_frowning_face": "☹",
+    "white_check_mark": "✅",
+    "point_left": "👈",
+    "white_medium_small_square": "◽",
+    "star": "⭐",
+    "grey_question": "❔",
+    "point_right": "👉",
+    "relaxed": "☺",
+    "white_sun_behind_cloud": "🌥",
+    "white_sun_behind_cloud_with_rain": "🌦",
+    "white_sun_with_small_cloud": "🌤",
+    "point_up_2": "👆",
+    "point_up": "☝",
+    "wind_blowing_face": "🌬",
+    "wink": "😉",
+    "wolf": "🐺",
+    "dancers": "👯",
+    "boot": "👢",
+    "womans_clothes": "👚",
+    "womans_hat": "👒",
+    "sandal": "👡",
+    "womens": "🚺",
+    "worried": "😟",
+    "gift": "🎁",
+    "zipper__mouth_face": "🤐",
+    "regional_indicator_a": "🇦",
+    "regional_indicator_b": "🇧",
+    "regional_indicator_c": "🇨",
+    "regional_indicator_d": "🇩",
+    "regional_indicator_e": "🇪",
+    "regional_indicator_f": "🇫",
+    "regional_indicator_g": "🇬",
+    "regional_indicator_h": "🇭",
+    "regional_indicator_i": "🇮",
+    "regional_indicator_j": "🇯",
+    "regional_indicator_k": "🇰",
+    "regional_indicator_l": "🇱",
+    "regional_indicator_m": "🇲",
+    "regional_indicator_n": "🇳",
+    "regional_indicator_o": "🇴",
+    "regional_indicator_p": "🇵",
+    "regional_indicator_q": "🇶",
+    "regional_indicator_r": "🇷",
+    "regional_indicator_s": "🇸",
+    "regional_indicator_t": "🇹",
+    "regional_indicator_u": "🇺",
+    "regional_indicator_v": "🇻",
+    "regional_indicator_w": "🇼",
+    "regional_indicator_x": "🇽",
+    "regional_indicator_y": "🇾",
+    "regional_indicator_z": "🇿",
+}
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_emoji_replace.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_emoji_replace.py
new file mode 100644
index 0000000000000000000000000000000000000000..bb2cafa18011e7115773055338291c366f173d6f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_emoji_replace.py
@@ -0,0 +1,32 @@
+from typing import Callable, Match, Optional
+import re
+
+from ._emoji_codes import EMOJI
+
+
+_ReStringMatch = Match[str]  # regex match object
+_ReSubCallable = Callable[[_ReStringMatch], str]  # Callable invoked by re.sub
+_EmojiSubMethod = Callable[[_ReSubCallable, str], str]  # Sub method of a compiled re
+
+
+def _emoji_replace(
+    text: str,
+    default_variant: Optional[str] = None,
+    _emoji_sub: _EmojiSubMethod = re.compile(r"(:(\S*?)(?:(?:\-)(emoji|text))?:)").sub,
+) -> str:
+    """Replace emoji code in text."""
+    get_emoji = EMOJI.__getitem__
+    variants = {"text": "\uFE0E", "emoji": "\uFE0F"}
+    get_variant = variants.get
+    default_variant_code = variants.get(default_variant, "") if default_variant else ""
+
+    def do_replace(match: Match[str]) -> str:
+        emoji_code, emoji_name, variant = match.groups()
+        try:
+            return get_emoji(emoji_name.lower()) + get_variant(
+                variant, default_variant_code
+            )
+        except KeyError:
+            return emoji_code
+
+    return _emoji_sub(do_replace, text)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_extension.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_extension.py
new file mode 100644
index 0000000000000000000000000000000000000000..cbd6da9be4956ce8558304ed72ffbe88ccd22ba5
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_extension.py
@@ -0,0 +1,10 @@
+from typing import Any
+
+
+def load_ipython_extension(ip: Any) -> None:  # pragma: no cover
+    # prevent circular import
+    from pip._vendor.rich.pretty import install
+    from pip._vendor.rich.traceback import install as tr_install
+
+    install()
+    tr_install()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_inspect.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_inspect.py
new file mode 100644
index 0000000000000000000000000000000000000000..262695b1c4723bfb57569f3badd6f81f1cccd3df
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_inspect.py
@@ -0,0 +1,210 @@
+from __future__ import absolute_import
+
+from inspect import cleandoc, getdoc, getfile, isclass, ismodule, signature
+from typing import Any, Iterable, Optional, Tuple
+
+from .console import RenderableType, Group
+from .highlighter import ReprHighlighter
+from .jupyter import JupyterMixin
+from .panel import Panel
+from .pretty import Pretty
+from .table import Table
+from .text import Text, TextType
+
+
+def _first_paragraph(doc: str) -> str:
+    """Get the first paragraph from a docstring."""
+    paragraph, _, _ = doc.partition("\n\n")
+    return paragraph
+
+
+def _reformat_doc(doc: str) -> str:
+    """Reformat docstring."""
+    doc = cleandoc(doc).strip()
+    return doc
+
+
+class Inspect(JupyterMixin):
+    """A renderable to inspect any Python Object.
+
+    Args:
+        obj (Any): An object to inspect.
+        title (str, optional): Title to display over inspect result, or None use type. Defaults to None.
+        help (bool, optional): Show full help text rather than just first paragraph. Defaults to False.
+        methods (bool, optional): Enable inspection of callables. Defaults to False.
+        docs (bool, optional): Also render doc strings. Defaults to True.
+        private (bool, optional): Show private attributes (beginning with underscore). Defaults to False.
+        dunder (bool, optional): Show attributes starting with double underscore. Defaults to False.
+        sort (bool, optional): Sort attributes alphabetically. Defaults to True.
+        all (bool, optional): Show all attributes. Defaults to False.
+        value (bool, optional): Pretty print value of object. Defaults to True.
+    """
+
+    def __init__(
+        self,
+        obj: Any,
+        *,
+        title: Optional[TextType] = None,
+        help: bool = False,
+        methods: bool = False,
+        docs: bool = True,
+        private: bool = False,
+        dunder: bool = False,
+        sort: bool = True,
+        all: bool = True,
+        value: bool = True,
+    ) -> None:
+        self.highlighter = ReprHighlighter()
+        self.obj = obj
+        self.title = title or self._make_title(obj)
+        if all:
+            methods = private = dunder = True
+        self.help = help
+        self.methods = methods
+        self.docs = docs or help
+        self.private = private or dunder
+        self.dunder = dunder
+        self.sort = sort
+        self.value = value
+
+    def _make_title(self, obj: Any) -> Text:
+        """Make a default title."""
+        title_str = (
+            str(obj)
+            if (isclass(obj) or callable(obj) or ismodule(obj))
+            else str(type(obj))
+        )
+        title_text = self.highlighter(title_str)
+        return title_text
+
+    def __rich__(self) -> Panel:
+        return Panel.fit(
+            Group(*self._render()),
+            title=self.title,
+            border_style="scope.border",
+            padding=(0, 1),
+        )
+
+    def _get_signature(self, name: str, obj: Any) -> Optional[Text]:
+        """Get a signature for a callable."""
+        try:
+            _signature = str(signature(obj)) + ":"
+        except ValueError:
+            _signature = "(...)"
+        except TypeError:
+            return None
+
+        source_filename: Optional[str] = None
+        try:
+            source_filename = getfile(obj)
+        except TypeError:
+            pass
+
+        callable_name = Text(name, style="inspect.callable")
+        if source_filename:
+            callable_name.stylize(f"link file://{source_filename}")
+        signature_text = self.highlighter(_signature)
+
+        qualname = name or getattr(obj, "__qualname__", name)
+        qual_signature = Text.assemble(
+            ("def ", "inspect.def"), (qualname, "inspect.callable"), signature_text
+        )
+
+        return qual_signature
+
+    def _render(self) -> Iterable[RenderableType]:
+        """Render object."""
+
+        def sort_items(item: Tuple[str, Any]) -> Tuple[bool, str]:
+            key, (_error, value) = item
+            return (callable(value), key.strip("_").lower())
+
+        def safe_getattr(attr_name: str) -> Tuple[Any, Any]:
+            """Get attribute or any exception."""
+            try:
+                return (None, getattr(obj, attr_name))
+            except Exception as error:
+                return (error, None)
+
+        obj = self.obj
+        keys = dir(obj)
+        total_items = len(keys)
+        if not self.dunder:
+            keys = [key for key in keys if not key.startswith("__")]
+        if not self.private:
+            keys = [key for key in keys if not key.startswith("_")]
+        not_shown_count = total_items - len(keys)
+        items = [(key, safe_getattr(key)) for key in keys]
+        if self.sort:
+            items.sort(key=sort_items)
+
+        items_table = Table.grid(padding=(0, 1), expand=False)
+        items_table.add_column(justify="right")
+        add_row = items_table.add_row
+        highlighter = self.highlighter
+
+        if callable(obj):
+            signature = self._get_signature("", obj)
+            if signature is not None:
+                yield signature
+                yield ""
+
+        if self.docs:
+            _doc = getdoc(obj)
+            if _doc is not None:
+                if not self.help:
+                    _doc = _first_paragraph(_doc)
+                doc_text = Text(_reformat_doc(_doc), style="inspect.help")
+                doc_text = highlighter(doc_text)
+                yield doc_text
+                yield ""
+
+        if self.value and not (isclass(obj) or callable(obj) or ismodule(obj)):
+            yield Panel(
+                Pretty(obj, indent_guides=True, max_length=10, max_string=60),
+                border_style="inspect.value.border",
+            )
+            yield ""
+
+        for key, (error, value) in items:
+            key_text = Text.assemble(
+                (
+                    key,
+                    "inspect.attr.dunder" if key.startswith("__") else "inspect.attr",
+                ),
+                (" =", "inspect.equals"),
+            )
+            if error is not None:
+                warning = key_text.copy()
+                warning.stylize("inspect.error")
+                add_row(warning, highlighter(repr(error)))
+                continue
+
+            if callable(value):
+                if not self.methods:
+                    continue
+
+                _signature_text = self._get_signature(key, value)
+                if _signature_text is None:
+                    add_row(key_text, Pretty(value, highlighter=highlighter))
+                else:
+                    if self.docs:
+                        docs = getdoc(value)
+                        if docs is not None:
+                            _doc = _reformat_doc(str(docs))
+                            if not self.help:
+                                _doc = _first_paragraph(_doc)
+                            _signature_text.append("\n" if "\n" in _doc else " ")
+                            doc = highlighter(_doc)
+                            doc.stylize("inspect.doc")
+                            _signature_text.append(doc)
+
+                    add_row(key_text, _signature_text)
+            else:
+                add_row(key_text, Pretty(value, highlighter=highlighter))
+        if items_table.row_count:
+            yield items_table
+        else:
+            yield Text.from_markup(
+                f"[b cyan]{not_shown_count}[/][i] attribute(s) not shown.[/i] Run [b][magenta]inspect[/]([not b]inspect[/])[/b] for options."
+            )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_log_render.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_log_render.py
new file mode 100644
index 0000000000000000000000000000000000000000..fc16c84437a8a34231c44d3f0a331459ddcb0f34
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_log_render.py
@@ -0,0 +1,94 @@
+from datetime import datetime
+from typing import Iterable, List, Optional, TYPE_CHECKING, Union, Callable
+
+
+from .text import Text, TextType
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleRenderable, RenderableType
+    from .table import Table
+
+FormatTimeCallable = Callable[[datetime], Text]
+
+
+class LogRender:
+    def __init__(
+        self,
+        show_time: bool = True,
+        show_level: bool = False,
+        show_path: bool = True,
+        time_format: Union[str, FormatTimeCallable] = "[%x %X]",
+        omit_repeated_times: bool = True,
+        level_width: Optional[int] = 8,
+    ) -> None:
+        self.show_time = show_time
+        self.show_level = show_level
+        self.show_path = show_path
+        self.time_format = time_format
+        self.omit_repeated_times = omit_repeated_times
+        self.level_width = level_width
+        self._last_time: Optional[Text] = None
+
+    def __call__(
+        self,
+        console: "Console",
+        renderables: Iterable["ConsoleRenderable"],
+        log_time: Optional[datetime] = None,
+        time_format: Optional[Union[str, FormatTimeCallable]] = None,
+        level: TextType = "",
+        path: Optional[str] = None,
+        line_no: Optional[int] = None,
+        link_path: Optional[str] = None,
+    ) -> "Table":
+        from .containers import Renderables
+        from .table import Table
+
+        output = Table.grid(padding=(0, 1))
+        output.expand = True
+        if self.show_time:
+            output.add_column(style="log.time")
+        if self.show_level:
+            output.add_column(style="log.level", width=self.level_width)
+        output.add_column(ratio=1, style="log.message", overflow="fold")
+        if self.show_path and path:
+            output.add_column(style="log.path")
+        row: List["RenderableType"] = []
+        if self.show_time:
+            log_time = log_time or console.get_datetime()
+            time_format = time_format or self.time_format
+            if callable(time_format):
+                log_time_display = time_format(log_time)
+            else:
+                log_time_display = Text(log_time.strftime(time_format))
+            if log_time_display == self._last_time and self.omit_repeated_times:
+                row.append(Text(" " * len(log_time_display)))
+            else:
+                row.append(log_time_display)
+                self._last_time = log_time_display
+        if self.show_level:
+            row.append(level)
+
+        row.append(Renderables(renderables))
+        if self.show_path and path:
+            path_text = Text()
+            path_text.append(
+                path, style=f"link file://{link_path}" if link_path else ""
+            )
+            if line_no:
+                path_text.append(":")
+                path_text.append(
+                    f"{line_no}",
+                    style=f"link file://{link_path}#{line_no}" if link_path else "",
+                )
+            row.append(path_text)
+
+        output.add_row(*row)
+        return output
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+
+    c = Console()
+    c.print("[on blue]Hello", justify="right")
+    c.log("[on blue]hello", justify="right")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_loop.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_loop.py
new file mode 100644
index 0000000000000000000000000000000000000000..01c6cafbe53f1fcb12f7b382b2b35e2fd2c69933
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_loop.py
@@ -0,0 +1,43 @@
+from typing import Iterable, Tuple, TypeVar
+
+T = TypeVar("T")
+
+
+def loop_first(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for first value."""
+    iter_values = iter(values)
+    try:
+        value = next(iter_values)
+    except StopIteration:
+        return
+    yield True, value
+    for value in iter_values:
+        yield False, value
+
+
+def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value
+
+
+def loop_first_last(values: Iterable[T]) -> Iterable[Tuple[bool, bool, T]]:
+    """Iterate and generate a tuple with a flag for first and last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    first = True
+    for value in iter_values:
+        yield first, False, previous_value
+        first = False
+        previous_value = value
+    yield first, True, previous_value
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_lru_cache.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_lru_cache.py
new file mode 100644
index 0000000000000000000000000000000000000000..b7bf2ce1ad72703b1dc8442d7445b778dc6030c1
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_lru_cache.py
@@ -0,0 +1,34 @@
+from collections import OrderedDict
+from typing import Dict, Generic, TypeVar
+
+
+CacheKey = TypeVar("CacheKey")
+CacheValue = TypeVar("CacheValue")
+
+
+class LRUCache(Generic[CacheKey, CacheValue], OrderedDict):  # type: ignore # https://github.com/python/mypy/issues/6904
+    """
+    A dictionary-like container that stores a given maximum items.
+
+    If an additional item is added when the LRUCache is full, the least
+    recently used key is discarded to make room for the new item.
+
+    """
+
+    def __init__(self, cache_size: int) -> None:
+        self.cache_size = cache_size
+        super(LRUCache, self).__init__()
+
+    def __setitem__(self, key: CacheKey, value: CacheValue) -> None:
+        """Store a new views, potentially discarding an old value."""
+        if key not in self:
+            if len(self) >= self.cache_size:
+                self.popitem(last=False)
+        OrderedDict.__setitem__(self, key, value)
+
+    def __getitem__(self: Dict[CacheKey, CacheValue], key: CacheKey) -> CacheValue:
+        """Gets the item, but also makes it most recent."""
+        value: CacheValue = OrderedDict.__getitem__(self, key)
+        OrderedDict.__delitem__(self, key)
+        OrderedDict.__setitem__(self, key, value)
+        return value
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_palettes.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_palettes.py
new file mode 100644
index 0000000000000000000000000000000000000000..3c748d33e45bfcdc690ceee490cbb50b516cd2b3
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_palettes.py
@@ -0,0 +1,309 @@
+from .palette import Palette
+
+
+# Taken from https://en.wikipedia.org/wiki/ANSI_escape_code (Windows 10 column)
+WINDOWS_PALETTE = Palette(
+    [
+        (12, 12, 12),
+        (197, 15, 31),
+        (19, 161, 14),
+        (193, 156, 0),
+        (0, 55, 218),
+        (136, 23, 152),
+        (58, 150, 221),
+        (204, 204, 204),
+        (118, 118, 118),
+        (231, 72, 86),
+        (22, 198, 12),
+        (249, 241, 165),
+        (59, 120, 255),
+        (180, 0, 158),
+        (97, 214, 214),
+        (242, 242, 242),
+    ]
+)
+
+# # The standard ansi colors (including bright variants)
+STANDARD_PALETTE = Palette(
+    [
+        (0, 0, 0),
+        (170, 0, 0),
+        (0, 170, 0),
+        (170, 85, 0),
+        (0, 0, 170),
+        (170, 0, 170),
+        (0, 170, 170),
+        (170, 170, 170),
+        (85, 85, 85),
+        (255, 85, 85),
+        (85, 255, 85),
+        (255, 255, 85),
+        (85, 85, 255),
+        (255, 85, 255),
+        (85, 255, 255),
+        (255, 255, 255),
+    ]
+)
+
+
+# The 256 color palette
+EIGHT_BIT_PALETTE = Palette(
+    [
+        (0, 0, 0),
+        (128, 0, 0),
+        (0, 128, 0),
+        (128, 128, 0),
+        (0, 0, 128),
+        (128, 0, 128),
+        (0, 128, 128),
+        (192, 192, 192),
+        (128, 128, 128),
+        (255, 0, 0),
+        (0, 255, 0),
+        (255, 255, 0),
+        (0, 0, 255),
+        (255, 0, 255),
+        (0, 255, 255),
+        (255, 255, 255),
+        (0, 0, 0),
+        (0, 0, 95),
+        (0, 0, 135),
+        (0, 0, 175),
+        (0, 0, 215),
+        (0, 0, 255),
+        (0, 95, 0),
+        (0, 95, 95),
+        (0, 95, 135),
+        (0, 95, 175),
+        (0, 95, 215),
+        (0, 95, 255),
+        (0, 135, 0),
+        (0, 135, 95),
+        (0, 135, 135),
+        (0, 135, 175),
+        (0, 135, 215),
+        (0, 135, 255),
+        (0, 175, 0),
+        (0, 175, 95),
+        (0, 175, 135),
+        (0, 175, 175),
+        (0, 175, 215),
+        (0, 175, 255),
+        (0, 215, 0),
+        (0, 215, 95),
+        (0, 215, 135),
+        (0, 215, 175),
+        (0, 215, 215),
+        (0, 215, 255),
+        (0, 255, 0),
+        (0, 255, 95),
+        (0, 255, 135),
+        (0, 255, 175),
+        (0, 255, 215),
+        (0, 255, 255),
+        (95, 0, 0),
+        (95, 0, 95),
+        (95, 0, 135),
+        (95, 0, 175),
+        (95, 0, 215),
+        (95, 0, 255),
+        (95, 95, 0),
+        (95, 95, 95),
+        (95, 95, 135),
+        (95, 95, 175),
+        (95, 95, 215),
+        (95, 95, 255),
+        (95, 135, 0),
+        (95, 135, 95),
+        (95, 135, 135),
+        (95, 135, 175),
+        (95, 135, 215),
+        (95, 135, 255),
+        (95, 175, 0),
+        (95, 175, 95),
+        (95, 175, 135),
+        (95, 175, 175),
+        (95, 175, 215),
+        (95, 175, 255),
+        (95, 215, 0),
+        (95, 215, 95),
+        (95, 215, 135),
+        (95, 215, 175),
+        (95, 215, 215),
+        (95, 215, 255),
+        (95, 255, 0),
+        (95, 255, 95),
+        (95, 255, 135),
+        (95, 255, 175),
+        (95, 255, 215),
+        (95, 255, 255),
+        (135, 0, 0),
+        (135, 0, 95),
+        (135, 0, 135),
+        (135, 0, 175),
+        (135, 0, 215),
+        (135, 0, 255),
+        (135, 95, 0),
+        (135, 95, 95),
+        (135, 95, 135),
+        (135, 95, 175),
+        (135, 95, 215),
+        (135, 95, 255),
+        (135, 135, 0),
+        (135, 135, 95),
+        (135, 135, 135),
+        (135, 135, 175),
+        (135, 135, 215),
+        (135, 135, 255),
+        (135, 175, 0),
+        (135, 175, 95),
+        (135, 175, 135),
+        (135, 175, 175),
+        (135, 175, 215),
+        (135, 175, 255),
+        (135, 215, 0),
+        (135, 215, 95),
+        (135, 215, 135),
+        (135, 215, 175),
+        (135, 215, 215),
+        (135, 215, 255),
+        (135, 255, 0),
+        (135, 255, 95),
+        (135, 255, 135),
+        (135, 255, 175),
+        (135, 255, 215),
+        (135, 255, 255),
+        (175, 0, 0),
+        (175, 0, 95),
+        (175, 0, 135),
+        (175, 0, 175),
+        (175, 0, 215),
+        (175, 0, 255),
+        (175, 95, 0),
+        (175, 95, 95),
+        (175, 95, 135),
+        (175, 95, 175),
+        (175, 95, 215),
+        (175, 95, 255),
+        (175, 135, 0),
+        (175, 135, 95),
+        (175, 135, 135),
+        (175, 135, 175),
+        (175, 135, 215),
+        (175, 135, 255),
+        (175, 175, 0),
+        (175, 175, 95),
+        (175, 175, 135),
+        (175, 175, 175),
+        (175, 175, 215),
+        (175, 175, 255),
+        (175, 215, 0),
+        (175, 215, 95),
+        (175, 215, 135),
+        (175, 215, 175),
+        (175, 215, 215),
+        (175, 215, 255),
+        (175, 255, 0),
+        (175, 255, 95),
+        (175, 255, 135),
+        (175, 255, 175),
+        (175, 255, 215),
+        (175, 255, 255),
+        (215, 0, 0),
+        (215, 0, 95),
+        (215, 0, 135),
+        (215, 0, 175),
+        (215, 0, 215),
+        (215, 0, 255),
+        (215, 95, 0),
+        (215, 95, 95),
+        (215, 95, 135),
+        (215, 95, 175),
+        (215, 95, 215),
+        (215, 95, 255),
+        (215, 135, 0),
+        (215, 135, 95),
+        (215, 135, 135),
+        (215, 135, 175),
+        (215, 135, 215),
+        (215, 135, 255),
+        (215, 175, 0),
+        (215, 175, 95),
+        (215, 175, 135),
+        (215, 175, 175),
+        (215, 175, 215),
+        (215, 175, 255),
+        (215, 215, 0),
+        (215, 215, 95),
+        (215, 215, 135),
+        (215, 215, 175),
+        (215, 215, 215),
+        (215, 215, 255),
+        (215, 255, 0),
+        (215, 255, 95),
+        (215, 255, 135),
+        (215, 255, 175),
+        (215, 255, 215),
+        (215, 255, 255),
+        (255, 0, 0),
+        (255, 0, 95),
+        (255, 0, 135),
+        (255, 0, 175),
+        (255, 0, 215),
+        (255, 0, 255),
+        (255, 95, 0),
+        (255, 95, 95),
+        (255, 95, 135),
+        (255, 95, 175),
+        (255, 95, 215),
+        (255, 95, 255),
+        (255, 135, 0),
+        (255, 135, 95),
+        (255, 135, 135),
+        (255, 135, 175),
+        (255, 135, 215),
+        (255, 135, 255),
+        (255, 175, 0),
+        (255, 175, 95),
+        (255, 175, 135),
+        (255, 175, 175),
+        (255, 175, 215),
+        (255, 175, 255),
+        (255, 215, 0),
+        (255, 215, 95),
+        (255, 215, 135),
+        (255, 215, 175),
+        (255, 215, 215),
+        (255, 215, 255),
+        (255, 255, 0),
+        (255, 255, 95),
+        (255, 255, 135),
+        (255, 255, 175),
+        (255, 255, 215),
+        (255, 255, 255),
+        (8, 8, 8),
+        (18, 18, 18),
+        (28, 28, 28),
+        (38, 38, 38),
+        (48, 48, 48),
+        (58, 58, 58),
+        (68, 68, 68),
+        (78, 78, 78),
+        (88, 88, 88),
+        (98, 98, 98),
+        (108, 108, 108),
+        (118, 118, 118),
+        (128, 128, 128),
+        (138, 138, 138),
+        (148, 148, 148),
+        (158, 158, 158),
+        (168, 168, 168),
+        (178, 178, 178),
+        (188, 188, 188),
+        (198, 198, 198),
+        (208, 208, 208),
+        (218, 218, 218),
+        (228, 228, 228),
+        (238, 238, 238),
+    ]
+)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_pick.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_pick.py
new file mode 100644
index 0000000000000000000000000000000000000000..4f6d8b2d79406012c5f8bae9c289ed5bf4d179cc
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_pick.py
@@ -0,0 +1,17 @@
+from typing import Optional
+
+
+def pick_bool(*values: Optional[bool]) -> bool:
+    """Pick the first non-none bool or return the last value.
+
+    Args:
+        *values (bool): Any number of boolean or None values.
+
+    Returns:
+        bool: First non-none boolean.
+    """
+    assert values, "1 or more values required"
+    for value in values:
+        if value is not None:
+            return value
+    return bool(value)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_ratio.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_ratio.py
new file mode 100644
index 0000000000000000000000000000000000000000..e8a3a674e0070159b956c29c5092b0f72abc969d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_ratio.py
@@ -0,0 +1,160 @@
+import sys
+from fractions import Fraction
+from math import ceil
+from typing import cast, List, Optional, Sequence
+
+if sys.version_info >= (3, 8):
+    from typing import Protocol
+else:
+    from pip._vendor.typing_extensions import Protocol  # pragma: no cover
+
+
+class Edge(Protocol):
+    """Any object that defines an edge (such as Layout)."""
+
+    size: Optional[int] = None
+    ratio: int = 1
+    minimum_size: int = 1
+
+
+def ratio_resolve(total: int, edges: Sequence[Edge]) -> List[int]:
+    """Divide total space to satisfy size, ratio, and minimum_size, constraints.
+
+    The returned list of integers should add up to total in most cases, unless it is
+    impossible to satisfy all the constraints. For instance, if there are two edges
+    with a minimum size of 20 each and `total` is 30 then the returned list will be
+    greater than total. In practice, this would mean that a Layout object would
+    clip the rows that would overflow the screen height.
+
+    Args:
+        total (int): Total number of characters.
+        edges (List[Edge]): Edges within total space.
+
+    Returns:
+        List[int]: Number of characters for each edge.
+    """
+    # Size of edge or None for yet to be determined
+    sizes = [(edge.size or None) for edge in edges]
+
+    _Fraction = Fraction
+
+    # While any edges haven't been calculated
+    while None in sizes:
+        # Get flexible edges and index to map these back on to sizes list
+        flexible_edges = [
+            (index, edge)
+            for index, (size, edge) in enumerate(zip(sizes, edges))
+            if size is None
+        ]
+        # Remaining space in total
+        remaining = total - sum(size or 0 for size in sizes)
+        if remaining <= 0:
+            # No room for flexible edges
+            return [
+                ((edge.minimum_size or 1) if size is None else size)
+                for size, edge in zip(sizes, edges)
+            ]
+        # Calculate number of characters in a ratio portion
+        portion = _Fraction(
+            remaining, sum((edge.ratio or 1) for _, edge in flexible_edges)
+        )
+
+        # If any edges will be less than their minimum, replace size with the minimum
+        for index, edge in flexible_edges:
+            if portion * edge.ratio <= edge.minimum_size:
+                sizes[index] = edge.minimum_size
+                # New fixed size will invalidate calculations, so we need to repeat the process
+                break
+        else:
+            # Distribute flexible space and compensate for rounding error
+            # Since edge sizes can only be integers we need to add the remainder
+            # to the following line
+            remainder = _Fraction(0)
+            for index, edge in flexible_edges:
+                size, remainder = divmod(portion * edge.ratio + remainder, 1)
+                sizes[index] = size
+            break
+    # Sizes now contains integers only
+    return cast(List[int], sizes)
+
+
+def ratio_reduce(
+    total: int, ratios: List[int], maximums: List[int], values: List[int]
+) -> List[int]:
+    """Divide an integer total in to parts based on ratios.
+
+    Args:
+        total (int): The total to divide.
+        ratios (List[int]): A list of integer ratios.
+        maximums (List[int]): List of maximums values for each slot.
+        values (List[int]): List of values
+
+    Returns:
+        List[int]: A list of integers guaranteed to sum to total.
+    """
+    ratios = [ratio if _max else 0 for ratio, _max in zip(ratios, maximums)]
+    total_ratio = sum(ratios)
+    if not total_ratio:
+        return values[:]
+    total_remaining = total
+    result: List[int] = []
+    append = result.append
+    for ratio, maximum, value in zip(ratios, maximums, values):
+        if ratio and total_ratio > 0:
+            distributed = min(maximum, round(ratio * total_remaining / total_ratio))
+            append(value - distributed)
+            total_remaining -= distributed
+            total_ratio -= ratio
+        else:
+            append(value)
+    return result
+
+
+def ratio_distribute(
+    total: int, ratios: List[int], minimums: Optional[List[int]] = None
+) -> List[int]:
+    """Distribute an integer total in to parts based on ratios.
+
+    Args:
+        total (int): The total to divide.
+        ratios (List[int]): A list of integer ratios.
+        minimums (List[int]): List of minimum values for each slot.
+
+    Returns:
+        List[int]: A list of integers guaranteed to sum to total.
+    """
+    if minimums:
+        ratios = [ratio if _min else 0 for ratio, _min in zip(ratios, minimums)]
+    total_ratio = sum(ratios)
+    assert total_ratio > 0, "Sum of ratios must be > 0"
+
+    total_remaining = total
+    distributed_total: List[int] = []
+    append = distributed_total.append
+    if minimums is None:
+        _minimums = [0] * len(ratios)
+    else:
+        _minimums = minimums
+    for ratio, minimum in zip(ratios, _minimums):
+        if total_ratio > 0:
+            distributed = max(minimum, ceil(ratio * total_remaining / total_ratio))
+        else:
+            distributed = total_remaining
+        append(distributed)
+        total_ratio -= ratio
+        total_remaining -= distributed
+    return distributed_total
+
+
+if __name__ == "__main__":
+    from dataclasses import dataclass
+
+    @dataclass
+    class E:
+
+        size: Optional[int] = None
+        ratio: int = 1
+        minimum_size: int = 1
+
+    resolved = ratio_resolve(110, [E(None, 1, 1), E(None, 1, 1), E(None, 1, 1)])
+    print(sum(resolved))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_spinners.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_spinners.py
new file mode 100644
index 0000000000000000000000000000000000000000..dc1db0777ee9285b0c51b7bfced7187c71c25699
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_spinners.py
@@ -0,0 +1,848 @@
+"""
+Spinners are from:
+* cli-spinners:
+    MIT License
+    Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights to
+    use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+    the Software, and to permit persons to whom the Software is furnished to do so,
+    subject to the following conditions:
+    The above copyright notice and this permission notice shall be included
+    in all copies or substantial portions of the Software.
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+    INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+    PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+    FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+    ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+    IN THE SOFTWARE.
+"""
+
+SPINNERS = {
+    "dots": {
+        "interval": 80,
+        "frames": ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"],
+    },
+    "dots2": {"interval": 80, "frames": ["⣾", "⣽", "⣻", "⢿", "⡿", "⣟", "⣯", "⣷"]},
+    "dots3": {
+        "interval": 80,
+        "frames": ["⠋", "⠙", "⠚", "⠞", "⠖", "⠦", "⠴", "⠲", "⠳", "⠓"],
+    },
+    "dots4": {
+        "interval": 80,
+        "frames": [
+            "⠄",
+            "⠆",
+            "⠇",
+            "⠋",
+            "⠙",
+            "⠸",
+            "⠰",
+            "⠠",
+            "⠰",
+            "⠸",
+            "⠙",
+            "⠋",
+            "⠇",
+            "⠆",
+        ],
+    },
+    "dots5": {
+        "interval": 80,
+        "frames": [
+            "⠋",
+            "⠙",
+            "⠚",
+            "⠒",
+            "⠂",
+            "⠂",
+            "⠒",
+            "⠲",
+            "⠴",
+            "⠦",
+            "⠖",
+            "⠒",
+            "⠐",
+            "⠐",
+            "⠒",
+            "⠓",
+            "⠋",
+        ],
+    },
+    "dots6": {
+        "interval": 80,
+        "frames": [
+            "⠁",
+            "⠉",
+            "⠙",
+            "⠚",
+            "⠒",
+            "⠂",
+            "⠂",
+            "⠒",
+            "⠲",
+            "⠴",
+            "⠤",
+            "⠄",
+            "⠄",
+            "⠤",
+            "⠴",
+            "⠲",
+            "⠒",
+            "⠂",
+            "⠂",
+            "⠒",
+            "⠚",
+            "⠙",
+            "⠉",
+            "⠁",
+        ],
+    },
+    "dots7": {
+        "interval": 80,
+        "frames": [
+            "⠈",
+            "⠉",
+            "⠋",
+            "⠓",
+            "⠒",
+            "⠐",
+            "⠐",
+            "⠒",
+            "⠖",
+            "⠦",
+            "⠤",
+            "⠠",
+            "⠠",
+            "⠤",
+            "⠦",
+            "⠖",
+            "⠒",
+            "⠐",
+            "⠐",
+            "⠒",
+            "⠓",
+            "⠋",
+            "⠉",
+            "⠈",
+        ],
+    },
+    "dots8": {
+        "interval": 80,
+        "frames": [
+            "⠁",
+            "⠁",
+            "⠉",
+            "⠙",
+            "⠚",
+            "⠒",
+            "⠂",
+            "⠂",
+            "⠒",
+            "⠲",
+            "⠴",
+            "⠤",
+            "⠄",
+            "⠄",
+            "⠤",
+            "⠠",
+            "⠠",
+            "⠤",
+            "⠦",
+            "⠖",
+            "⠒",
+            "⠐",
+            "⠐",
+            "⠒",
+            "⠓",
+            "⠋",
+            "⠉",
+            "⠈",
+            "⠈",
+        ],
+    },
+    "dots9": {"interval": 80, "frames": ["⢹", "⢺", "⢼", "⣸", "⣇", "⡧", "⡗", "⡏"]},
+    "dots10": {"interval": 80, "frames": ["⢄", "⢂", "⢁", "⡁", "⡈", "⡐", "⡠"]},
+    "dots11": {"interval": 100, "frames": ["⠁", "⠂", "⠄", "⡀", "⢀", "⠠", "⠐", "⠈"]},
+    "dots12": {
+        "interval": 80,
+        "frames": [
+            "⢀⠀",
+            "⡀⠀",
+            "⠄⠀",
+            "⢂⠀",
+            "⡂⠀",
+            "⠅⠀",
+            "⢃⠀",
+            "⡃⠀",
+            "⠍⠀",
+            "⢋⠀",
+            "⡋⠀",
+            "⠍⠁",
+            "⢋⠁",
+            "⡋⠁",
+            "⠍⠉",
+            "⠋⠉",
+            "⠋⠉",
+            "⠉⠙",
+            "⠉⠙",
+            "⠉⠩",
+            "⠈⢙",
+            "⠈⡙",
+            "⢈⠩",
+            "⡀⢙",
+            "⠄⡙",
+            "⢂⠩",
+            "⡂⢘",
+            "⠅⡘",
+            "⢃⠨",
+            "⡃⢐",
+            "⠍⡐",
+            "⢋⠠",
+            "⡋⢀",
+            "⠍⡁",
+            "⢋⠁",
+            "⡋⠁",
+            "⠍⠉",
+            "⠋⠉",
+            "⠋⠉",
+            "⠉⠙",
+            "⠉⠙",
+            "⠉⠩",
+            "⠈⢙",
+            "⠈⡙",
+            "⠈⠩",
+            "⠀⢙",
+            "⠀⡙",
+            "⠀⠩",
+            "⠀⢘",
+            "⠀⡘",
+            "⠀⠨",
+            "⠀⢐",
+            "⠀⡐",
+            "⠀⠠",
+            "⠀⢀",
+            "⠀⡀",
+        ],
+    },
+    "dots8Bit": {
+        "interval": 80,
+        "frames": [
+            "⠀",
+            "⠁",
+            "⠂",
+            "⠃",
+            "⠄",
+            "⠅",
+            "⠆",
+            "⠇",
+            "⡀",
+            "⡁",
+            "⡂",
+            "⡃",
+            "⡄",
+            "⡅",
+            "⡆",
+            "⡇",
+            "⠈",
+            "⠉",
+            "⠊",
+            "⠋",
+            "⠌",
+            "⠍",
+            "⠎",
+            "⠏",
+            "⡈",
+            "⡉",
+            "⡊",
+            "⡋",
+            "⡌",
+            "⡍",
+            "⡎",
+            "⡏",
+            "⠐",
+            "⠑",
+            "⠒",
+            "⠓",
+            "⠔",
+            "⠕",
+            "⠖",
+            "⠗",
+            "⡐",
+            "⡑",
+            "⡒",
+            "⡓",
+            "⡔",
+            "⡕",
+            "⡖",
+            "⡗",
+            "⠘",
+            "⠙",
+            "⠚",
+            "⠛",
+            "⠜",
+            "⠝",
+            "⠞",
+            "⠟",
+            "⡘",
+            "⡙",
+            "⡚",
+            "⡛",
+            "⡜",
+            "⡝",
+            "⡞",
+            "⡟",
+            "⠠",
+            "⠡",
+            "⠢",
+            "⠣",
+            "⠤",
+            "⠥",
+            "⠦",
+            "⠧",
+            "⡠",
+            "⡡",
+            "⡢",
+            "⡣",
+            "⡤",
+            "⡥",
+            "⡦",
+            "⡧",
+            "⠨",
+            "⠩",
+            "⠪",
+            "⠫",
+            "⠬",
+            "⠭",
+            "⠮",
+            "⠯",
+            "⡨",
+            "⡩",
+            "⡪",
+            "⡫",
+            "⡬",
+            "⡭",
+            "⡮",
+            "⡯",
+            "⠰",
+            "⠱",
+            "⠲",
+            "⠳",
+            "⠴",
+            "⠵",
+            "⠶",
+            "⠷",
+            "⡰",
+            "⡱",
+            "⡲",
+            "⡳",
+            "⡴",
+            "⡵",
+            "⡶",
+            "⡷",
+            "⠸",
+            "⠹",
+            "⠺",
+            "⠻",
+            "⠼",
+            "⠽",
+            "⠾",
+            "⠿",
+            "⡸",
+            "⡹",
+            "⡺",
+            "⡻",
+            "⡼",
+            "⡽",
+            "⡾",
+            "⡿",
+            "⢀",
+            "⢁",
+            "⢂",
+            "⢃",
+            "⢄",
+            "⢅",
+            "⢆",
+            "⢇",
+            "⣀",
+            "⣁",
+            "⣂",
+            "⣃",
+            "⣄",
+            "⣅",
+            "⣆",
+            "⣇",
+            "⢈",
+            "⢉",
+            "⢊",
+            "⢋",
+            "⢌",
+            "⢍",
+            "⢎",
+            "⢏",
+            "⣈",
+            "⣉",
+            "⣊",
+            "⣋",
+            "⣌",
+            "⣍",
+            "⣎",
+            "⣏",
+            "⢐",
+            "⢑",
+            "⢒",
+            "⢓",
+            "⢔",
+            "⢕",
+            "⢖",
+            "⢗",
+            "⣐",
+            "⣑",
+            "⣒",
+            "⣓",
+            "⣔",
+            "⣕",
+            "⣖",
+            "⣗",
+            "⢘",
+            "⢙",
+            "⢚",
+            "⢛",
+            "⢜",
+            "⢝",
+            "⢞",
+            "⢟",
+            "⣘",
+            "⣙",
+            "⣚",
+            "⣛",
+            "⣜",
+            "⣝",
+            "⣞",
+            "⣟",
+            "⢠",
+            "⢡",
+            "⢢",
+            "⢣",
+            "⢤",
+            "⢥",
+            "⢦",
+            "⢧",
+            "⣠",
+            "⣡",
+            "⣢",
+            "⣣",
+            "⣤",
+            "⣥",
+            "⣦",
+            "⣧",
+            "⢨",
+            "⢩",
+            "⢪",
+            "⢫",
+            "⢬",
+            "⢭",
+            "⢮",
+            "⢯",
+            "⣨",
+            "⣩",
+            "⣪",
+            "⣫",
+            "⣬",
+            "⣭",
+            "⣮",
+            "⣯",
+            "⢰",
+            "⢱",
+            "⢲",
+            "⢳",
+            "⢴",
+            "⢵",
+            "⢶",
+            "⢷",
+            "⣰",
+            "⣱",
+            "⣲",
+            "⣳",
+            "⣴",
+            "⣵",
+            "⣶",
+            "⣷",
+            "⢸",
+            "⢹",
+            "⢺",
+            "⢻",
+            "⢼",
+            "⢽",
+            "⢾",
+            "⢿",
+            "⣸",
+            "⣹",
+            "⣺",
+            "⣻",
+            "⣼",
+            "⣽",
+            "⣾",
+            "⣿",
+        ],
+    },
+    "line": {"interval": 130, "frames": ["-", "\\", "|", "/"]},
+    "line2": {"interval": 100, "frames": ["⠂", "-", "–", "—", "–", "-"]},
+    "pipe": {"interval": 100, "frames": ["┤", "┘", "┴", "└", "├", "┌", "┬", "┐"]},
+    "simpleDots": {"interval": 400, "frames": [".  ", ".. ", "...", "   "]},
+    "simpleDotsScrolling": {
+        "interval": 200,
+        "frames": [".  ", ".. ", "...", " ..", "  .", "   "],
+    },
+    "star": {"interval": 70, "frames": ["✶", "✸", "✹", "✺", "✹", "✷"]},
+    "star2": {"interval": 80, "frames": ["+", "x", "*"]},
+    "flip": {
+        "interval": 70,
+        "frames": ["_", "_", "_", "-", "`", "`", "'", "´", "-", "_", "_", "_"],
+    },
+    "hamburger": {"interval": 100, "frames": ["☱", "☲", "☴"]},
+    "growVertical": {
+        "interval": 120,
+        "frames": ["▁", "▃", "▄", "▅", "▆", "▇", "▆", "▅", "▄", "▃"],
+    },
+    "growHorizontal": {
+        "interval": 120,
+        "frames": ["▏", "▎", "▍", "▌", "▋", "▊", "▉", "▊", "▋", "▌", "▍", "▎"],
+    },
+    "balloon": {"interval": 140, "frames": [" ", ".", "o", "O", "@", "*", " "]},
+    "balloon2": {"interval": 120, "frames": [".", "o", "O", "°", "O", "o", "."]},
+    "noise": {"interval": 100, "frames": ["▓", "▒", "░"]},
+    "bounce": {"interval": 120, "frames": ["⠁", "⠂", "⠄", "⠂"]},
+    "boxBounce": {"interval": 120, "frames": ["▖", "▘", "▝", "▗"]},
+    "boxBounce2": {"interval": 100, "frames": ["▌", "▀", "▐", "▄"]},
+    "triangle": {"interval": 50, "frames": ["◢", "◣", "◤", "◥"]},
+    "arc": {"interval": 100, "frames": ["◜", "◠", "◝", "◞", "◡", "◟"]},
+    "circle": {"interval": 120, "frames": ["◡", "⊙", "◠"]},
+    "squareCorners": {"interval": 180, "frames": ["◰", "◳", "◲", "◱"]},
+    "circleQuarters": {"interval": 120, "frames": ["◴", "◷", "◶", "◵"]},
+    "circleHalves": {"interval": 50, "frames": ["◐", "◓", "◑", "◒"]},
+    "squish": {"interval": 100, "frames": ["╫", "╪"]},
+    "toggle": {"interval": 250, "frames": ["⊶", "⊷"]},
+    "toggle2": {"interval": 80, "frames": ["▫", "▪"]},
+    "toggle3": {"interval": 120, "frames": ["□", "■"]},
+    "toggle4": {"interval": 100, "frames": ["■", "□", "▪", "▫"]},
+    "toggle5": {"interval": 100, "frames": ["▮", "▯"]},
+    "toggle6": {"interval": 300, "frames": ["ဝ", "၀"]},
+    "toggle7": {"interval": 80, "frames": ["⦾", "⦿"]},
+    "toggle8": {"interval": 100, "frames": ["◍", "◌"]},
+    "toggle9": {"interval": 100, "frames": ["◉", "◎"]},
+    "toggle10": {"interval": 100, "frames": ["㊂", "㊀", "㊁"]},
+    "toggle11": {"interval": 50, "frames": ["⧇", "⧆"]},
+    "toggle12": {"interval": 120, "frames": ["☗", "☖"]},
+    "toggle13": {"interval": 80, "frames": ["=", "*", "-"]},
+    "arrow": {"interval": 100, "frames": ["←", "↖", "↑", "↗", "→", "↘", "↓", "↙"]},
+    "arrow2": {
+        "interval": 80,
+        "frames": ["⬆️ ", "↗️ ", "➡️ ", "↘️ ", "⬇️ ", "↙️ ", "⬅️ ", "↖️ "],
+    },
+    "arrow3": {
+        "interval": 120,
+        "frames": ["▹▹▹▹▹", "▸▹▹▹▹", "▹▸▹▹▹", "▹▹▸▹▹", "▹▹▹▸▹", "▹▹▹▹▸"],
+    },
+    "bouncingBar": {
+        "interval": 80,
+        "frames": [
+            "[    ]",
+            "[=   ]",
+            "[==  ]",
+            "[=== ]",
+            "[ ===]",
+            "[  ==]",
+            "[   =]",
+            "[    ]",
+            "[   =]",
+            "[  ==]",
+            "[ ===]",
+            "[====]",
+            "[=== ]",
+            "[==  ]",
+            "[=   ]",
+        ],
+    },
+    "bouncingBall": {
+        "interval": 80,
+        "frames": [
+            "( ●    )",
+            "(  ●   )",
+            "(   ●  )",
+            "(    ● )",
+            "(     ●)",
+            "(    ● )",
+            "(   ●  )",
+            "(  ●   )",
+            "( ●    )",
+            "(●     )",
+        ],
+    },
+    "smiley": {"interval": 200, "frames": ["😄 ", "😝 "]},
+    "monkey": {"interval": 300, "frames": ["🙈 ", "🙈 ", "🙉 ", "🙊 "]},
+    "hearts": {"interval": 100, "frames": ["💛 ", "💙 ", "💜 ", "💚 ", "❤️ "]},
+    "clock": {
+        "interval": 100,
+        "frames": [
+            "🕛 ",
+            "🕐 ",
+            "🕑 ",
+            "🕒 ",
+            "🕓 ",
+            "🕔 ",
+            "🕕 ",
+            "🕖 ",
+            "🕗 ",
+            "🕘 ",
+            "🕙 ",
+            "🕚 ",
+        ],
+    },
+    "earth": {"interval": 180, "frames": ["🌍 ", "🌎 ", "🌏 "]},
+    "material": {
+        "interval": 17,
+        "frames": [
+            "█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "██████▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "██████▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "███████▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "████████▁▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "██████████▁▁▁▁▁▁▁▁▁▁",
+            "███████████▁▁▁▁▁▁▁▁▁",
+            "█████████████▁▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁▁██████████████▁▁▁▁",
+            "▁▁▁██████████████▁▁▁",
+            "▁▁▁▁█████████████▁▁▁",
+            "▁▁▁▁██████████████▁▁",
+            "▁▁▁▁██████████████▁▁",
+            "▁▁▁▁▁██████████████▁",
+            "▁▁▁▁▁██████████████▁",
+            "▁▁▁▁▁██████████████▁",
+            "▁▁▁▁▁▁██████████████",
+            "▁▁▁▁▁▁██████████████",
+            "▁▁▁▁▁▁▁█████████████",
+            "▁▁▁▁▁▁▁█████████████",
+            "▁▁▁▁▁▁▁▁████████████",
+            "▁▁▁▁▁▁▁▁████████████",
+            "▁▁▁▁▁▁▁▁▁███████████",
+            "▁▁▁▁▁▁▁▁▁███████████",
+            "▁▁▁▁▁▁▁▁▁▁██████████",
+            "▁▁▁▁▁▁▁▁▁▁██████████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁████████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
+            "█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "███▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "████▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "██████▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "████████▁▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "███████████▁▁▁▁▁▁▁▁▁",
+            "████████████▁▁▁▁▁▁▁▁",
+            "████████████▁▁▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁▁▁█████████████▁▁▁▁",
+            "▁▁▁▁▁████████████▁▁▁",
+            "▁▁▁▁▁████████████▁▁▁",
+            "▁▁▁▁▁▁███████████▁▁▁",
+            "▁▁▁▁▁▁▁▁█████████▁▁▁",
+            "▁▁▁▁▁▁▁▁█████████▁▁▁",
+            "▁▁▁▁▁▁▁▁▁█████████▁▁",
+            "▁▁▁▁▁▁▁▁▁█████████▁▁",
+            "▁▁▁▁▁▁▁▁▁▁█████████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁████████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁████████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁███████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁███████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+        ],
+    },
+    "moon": {
+        "interval": 80,
+        "frames": ["🌑 ", "🌒 ", "🌓 ", "🌔 ", "🌕 ", "🌖 ", "🌗 ", "🌘 "],
+    },
+    "runner": {"interval": 140, "frames": ["🚶 ", "🏃 "]},
+    "pong": {
+        "interval": 80,
+        "frames": [
+            "▐⠂       ▌",
+            "▐⠈       ▌",
+            "▐ ⠂      ▌",
+            "▐ ⠠      ▌",
+            "▐  ⡀     ▌",
+            "▐  ⠠     ▌",
+            "▐   ⠂    ▌",
+            "▐   ⠈    ▌",
+            "▐    ⠂   ▌",
+            "▐    ⠠   ▌",
+            "▐     ⡀  ▌",
+            "▐     ⠠  ▌",
+            "▐      ⠂ ▌",
+            "▐      ⠈ ▌",
+            "▐       ⠂▌",
+            "▐       ⠠▌",
+            "▐       ⡀▌",
+            "▐      ⠠ ▌",
+            "▐      ⠂ ▌",
+            "▐     ⠈  ▌",
+            "▐     ⠂  ▌",
+            "▐    ⠠   ▌",
+            "▐    ⡀   ▌",
+            "▐   ⠠    ▌",
+            "▐   ⠂    ▌",
+            "▐  ⠈     ▌",
+            "▐  ⠂     ▌",
+            "▐ ⠠      ▌",
+            "▐ ⡀      ▌",
+            "▐⠠       ▌",
+        ],
+    },
+    "shark": {
+        "interval": 120,
+        "frames": [
+            "▐|\\____________▌",
+            "▐_|\\___________▌",
+            "▐__|\\__________▌",
+            "▐___|\\_________▌",
+            "▐____|\\________▌",
+            "▐_____|\\_______▌",
+            "▐______|\\______▌",
+            "▐_______|\\_____▌",
+            "▐________|\\____▌",
+            "▐_________|\\___▌",
+            "▐__________|\\__▌",
+            "▐___________|\\_▌",
+            "▐____________|\\▌",
+            "▐____________/|▌",
+            "▐___________/|_▌",
+            "▐__________/|__▌",
+            "▐_________/|___▌",
+            "▐________/|____▌",
+            "▐_______/|_____▌",
+            "▐______/|______▌",
+            "▐_____/|_______▌",
+            "▐____/|________▌",
+            "▐___/|_________▌",
+            "▐__/|__________▌",
+            "▐_/|___________▌",
+            "▐/|____________▌",
+        ],
+    },
+    "dqpb": {"interval": 100, "frames": ["d", "q", "p", "b"]},
+    "weather": {
+        "interval": 100,
+        "frames": [
+            "☀️ ",
+            "☀️ ",
+            "☀️ ",
+            "🌤 ",
+            "⛅️ ",
+            "🌥 ",
+            "☁️ ",
+            "🌧 ",
+            "🌨 ",
+            "🌧 ",
+            "🌨 ",
+            "🌧 ",
+            "🌨 ",
+            "⛈ ",
+            "🌨 ",
+            "🌧 ",
+            "🌨 ",
+            "☁️ ",
+            "🌥 ",
+            "⛅️ ",
+            "🌤 ",
+            "☀️ ",
+            "☀️ ",
+        ],
+    },
+    "christmas": {"interval": 400, "frames": ["🌲", "🎄"]},
+    "grenade": {
+        "interval": 80,
+        "frames": [
+            "،   ",
+            "′   ",
+            " ´ ",
+            " ‾ ",
+            "  ⸌",
+            "  ⸊",
+            "  |",
+            "  ⁎",
+            "  ⁕",
+            " ෴ ",
+            "  ⁓",
+            "   ",
+            "   ",
+            "   ",
+        ],
+    },
+    "point": {"interval": 125, "frames": ["∙∙∙", "●∙∙", "∙●∙", "∙∙●", "∙∙∙"]},
+    "layer": {"interval": 150, "frames": ["-", "=", "≡"]},
+    "betaWave": {
+        "interval": 80,
+        "frames": [
+            "ρββββββ",
+            "βρβββββ",
+            "ββρββββ",
+            "βββρβββ",
+            "ββββρββ",
+            "βββββρβ",
+            "ββββββρ",
+        ],
+    },
+    "aesthetic": {
+        "interval": 80,
+        "frames": [
+            "▰▱▱▱▱▱▱",
+            "▰▰▱▱▱▱▱",
+            "▰▰▰▱▱▱▱",
+            "▰▰▰▰▱▱▱",
+            "▰▰▰▰▰▱▱",
+            "▰▰▰▰▰▰▱",
+            "▰▰▰▰▰▰▰",
+            "▰▱▱▱▱▱▱",
+        ],
+    },
+}
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_stack.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_stack.py
new file mode 100644
index 0000000000000000000000000000000000000000..194564e761ddae165b39ef6598877e2e3820af0a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_stack.py
@@ -0,0 +1,16 @@
+from typing import List, TypeVar
+
+T = TypeVar("T")
+
+
+class Stack(List[T]):
+    """A small shim over builtin list."""
+
+    @property
+    def top(self) -> T:
+        """Get top of stack."""
+        return self[-1]
+
+    def push(self, item: T) -> None:
+        """Push an item on to the stack (append in stack nomenclature)."""
+        self.append(item)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_timer.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_timer.py
new file mode 100644
index 0000000000000000000000000000000000000000..a2ca6be03c43054caaa3660998273ebf704345dd
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_timer.py
@@ -0,0 +1,19 @@
+"""
+Timer context manager, only used in debug.
+
+"""
+
+from time import time
+
+import contextlib
+from typing import Generator
+
+
+@contextlib.contextmanager
+def timer(subject: str = "time") -> Generator[None, None, None]:
+    """print the elapsed time. (only used in debugging)"""
+    start = time()
+    yield
+    elapsed = time() - start
+    elapsed_ms = elapsed * 1000
+    print(f"{subject} elapsed {elapsed_ms:.1f}ms")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_windows.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_windows.py
new file mode 100644
index 0000000000000000000000000000000000000000..ca3a680d354eac46af4ccbb529229e11d072e9ef
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_windows.py
@@ -0,0 +1,72 @@
+import sys
+from dataclasses import dataclass
+
+
+@dataclass
+class WindowsConsoleFeatures:
+    """Windows features available."""
+
+    vt: bool = False
+    """The console supports VT codes."""
+    truecolor: bool = False
+    """The console supports truecolor."""
+
+
+try:
+    import ctypes
+    from ctypes import LibraryLoader, wintypes
+
+    if sys.platform == "win32":
+        windll = LibraryLoader(ctypes.WinDLL)
+    else:
+        windll = None
+        raise ImportError("Not windows")
+except (AttributeError, ImportError, ValueError):
+
+    # Fallback if we can't load the Windows DLL
+    def get_windows_console_features() -> WindowsConsoleFeatures:
+        features = WindowsConsoleFeatures()
+        return features
+
+else:
+
+    STDOUT = -11
+    ENABLE_VIRTUAL_TERMINAL_PROCESSING = 4
+    _GetConsoleMode = windll.kernel32.GetConsoleMode
+    _GetConsoleMode.argtypes = [wintypes.HANDLE, wintypes.LPDWORD]
+    _GetConsoleMode.restype = wintypes.BOOL
+
+    _GetStdHandle = windll.kernel32.GetStdHandle
+    _GetStdHandle.argtypes = [
+        wintypes.DWORD,
+    ]
+    _GetStdHandle.restype = wintypes.HANDLE
+
+    def get_windows_console_features() -> WindowsConsoleFeatures:
+        """Get windows console features.
+
+        Returns:
+            WindowsConsoleFeatures: An instance of WindowsConsoleFeatures.
+        """
+        handle = _GetStdHandle(STDOUT)
+        console_mode = wintypes.DWORD()
+        result = _GetConsoleMode(handle, console_mode)
+        vt = bool(result and console_mode.value & ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+        truecolor = False
+        if vt:
+            win_version = sys.getwindowsversion()
+            truecolor = win_version.major > 10 or (
+                win_version.major == 10 and win_version.build >= 15063
+            )
+        features = WindowsConsoleFeatures(vt=vt, truecolor=truecolor)
+        return features
+
+
+if __name__ == "__main__":
+    import platform
+
+    features = get_windows_console_features()
+    from pip._vendor.rich import print
+
+    print(f'platform="{platform.system()}"')
+    print(repr(features))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/_wrap.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_wrap.py
new file mode 100644
index 0000000000000000000000000000000000000000..b537757a573be8777c45b0b265a13a15d90bdf29
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/_wrap.py
@@ -0,0 +1,55 @@
+import re
+from typing import Iterable, List, Tuple
+
+from .cells import cell_len, chop_cells
+from ._loop import loop_last
+
+re_word = re.compile(r"\s*\S+\s*")
+
+
+def words(text: str) -> Iterable[Tuple[int, int, str]]:
+    position = 0
+    word_match = re_word.match(text, position)
+    while word_match is not None:
+        start, end = word_match.span()
+        word = word_match.group(0)
+        yield start, end, word
+        word_match = re_word.match(text, end)
+
+
+def divide_line(text: str, width: int, fold: bool = True) -> List[int]:
+    divides: List[int] = []
+    append = divides.append
+    line_position = 0
+    _cell_len = cell_len
+    for start, _end, word in words(text):
+        word_length = _cell_len(word.rstrip())
+        if line_position + word_length > width:
+            if word_length > width:
+                if fold:
+                    for last, line in loop_last(
+                        chop_cells(word, width, position=line_position)
+                    ):
+                        if last:
+                            line_position = _cell_len(line)
+                        else:
+                            start += len(line)
+                            append(start)
+                else:
+                    if start:
+                        append(start)
+                    line_position = _cell_len(word)
+            elif line_position and start:
+                append(start)
+                line_position = _cell_len(word)
+        else:
+            line_position += _cell_len(word)
+    return divides
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .console import Console
+
+    console = Console(width=10)
+    console.print("12345 abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ 12345")
+    print(chop_cells("abcdefghijklmnopqrstuvwxyz", 10, position=2))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/abc.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/abc.py
new file mode 100644
index 0000000000000000000000000000000000000000..e6e498efabfab0dcf31cd7731f8f821cc423bc4f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/abc.py
@@ -0,0 +1,33 @@
+from abc import ABC
+
+
+class RichRenderable(ABC):
+    """An abstract base class for Rich renderables.
+
+    Note that there is no need to extend this class, the intended use is to check if an
+    object supports the Rich renderable protocol. For example::
+
+        if isinstance(my_object, RichRenderable):
+            console.print(my_object)
+
+    """
+
+    @classmethod
+    def __subclasshook__(cls, other: type) -> bool:
+        """Check if this class supports the rich render protocol."""
+        return hasattr(other, "__rich_console__") or hasattr(other, "__rich__")
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.text import Text
+
+    t = Text()
+    print(isinstance(Text, RichRenderable))
+    print(isinstance(t, RichRenderable))
+
+    class Foo:
+        pass
+
+    f = Foo()
+    print(isinstance(f, RichRenderable))
+    print(isinstance("", RichRenderable))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/align.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/align.py
new file mode 100644
index 0000000000000000000000000000000000000000..4344ae141c5ee4fbf8b30b5f212cd3ffe7d92e36
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/align.py
@@ -0,0 +1,312 @@
+import sys
+from itertools import chain
+from typing import TYPE_CHECKING, Iterable, Optional
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+from .constrain import Constrain
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import StyleType
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType, RenderResult
+
+AlignMethod = Literal["left", "center", "right"]
+VerticalAlignMethod = Literal["top", "middle", "bottom"]
+AlignValues = AlignMethod  # TODO: deprecate AlignValues
+
+
+class Align(JupyterMixin):
+    """Align a renderable by adding spaces if necessary.
+
+    Args:
+        renderable (RenderableType): A console renderable.
+        align (AlignMethod): One of "left", "center", or "right""
+        style (StyleType, optional): An optional style to apply to the background.
+        vertical (Optional[VerticalAlginMethod], optional): Optional vertical align, one of "top", "middle", or "bottom". Defaults to None.
+        pad (bool, optional): Pad the right with spaces. Defaults to True.
+        width (int, optional): Restrict contents to given width, or None to use default width. Defaults to None.
+        height (int, optional): Set height of align renderable, or None to fit to contents. Defaults to None.
+
+    Raises:
+        ValueError: if ``align`` is not one of the expected values.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        align: AlignMethod = "left",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> None:
+        if align not in ("left", "center", "right"):
+            raise ValueError(
+                f'invalid value for align, expected "left", "center", or "right" (not {align!r})'
+            )
+        if vertical is not None and vertical not in ("top", "middle", "bottom"):
+            raise ValueError(
+                f'invalid value for vertical, expected "top", "middle", or "bottom" (not {vertical!r})'
+            )
+        self.renderable = renderable
+        self.align = align
+        self.style = style
+        self.vertical = vertical
+        self.pad = pad
+        self.width = width
+        self.height = height
+
+    def __repr__(self) -> str:
+        return f"Align({self.renderable!r}, {self.align!r})"
+
+    @classmethod
+    def left(
+        cls,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> "Align":
+        """Align a renderable to the left."""
+        return cls(
+            renderable,
+            "left",
+            style=style,
+            vertical=vertical,
+            pad=pad,
+            width=width,
+            height=height,
+        )
+
+    @classmethod
+    def center(
+        cls,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> "Align":
+        """Align a renderable to the center."""
+        return cls(
+            renderable,
+            "center",
+            style=style,
+            vertical=vertical,
+            pad=pad,
+            width=width,
+            height=height,
+        )
+
+    @classmethod
+    def right(
+        cls,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> "Align":
+        """Align a renderable to the right."""
+        return cls(
+            renderable,
+            "right",
+            style=style,
+            vertical=vertical,
+            pad=pad,
+            width=width,
+            height=height,
+        )
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        align = self.align
+        width = console.measure(self.renderable, options=options).maximum
+        rendered = console.render(
+            Constrain(
+                self.renderable, width if self.width is None else min(width, self.width)
+            ),
+            options.update(height=None),
+        )
+        lines = list(Segment.split_lines(rendered))
+        width, height = Segment.get_shape(lines)
+        lines = Segment.set_shape(lines, width, height)
+        new_line = Segment.line()
+        excess_space = options.max_width - width
+        style = console.get_style(self.style) if self.style is not None else None
+
+        def generate_segments() -> Iterable[Segment]:
+            if excess_space <= 0:
+                # Exact fit
+                for line in lines:
+                    yield from line
+                    yield new_line
+
+            elif align == "left":
+                # Pad on the right
+                pad = Segment(" " * excess_space, style) if self.pad else None
+                for line in lines:
+                    yield from line
+                    if pad:
+                        yield pad
+                    yield new_line
+
+            elif align == "center":
+                # Pad left and right
+                left = excess_space // 2
+                pad = Segment(" " * left, style)
+                pad_right = (
+                    Segment(" " * (excess_space - left), style) if self.pad else None
+                )
+                for line in lines:
+                    if left:
+                        yield pad
+                    yield from line
+                    if pad_right:
+                        yield pad_right
+                    yield new_line
+
+            elif align == "right":
+                # Padding on left
+                pad = Segment(" " * excess_space, style)
+                for line in lines:
+                    yield pad
+                    yield from line
+                    yield new_line
+
+        blank_line = (
+            Segment(f"{' ' * (self.width or options.max_width)}\n", style)
+            if self.pad
+            else Segment("\n")
+        )
+
+        def blank_lines(count: int) -> Iterable[Segment]:
+            if count > 0:
+                for _ in range(count):
+                    yield blank_line
+
+        vertical_height = self.height or options.height
+        iter_segments: Iterable[Segment]
+        if self.vertical and vertical_height is not None:
+            if self.vertical == "top":
+                bottom_space = vertical_height - height
+                iter_segments = chain(generate_segments(), blank_lines(bottom_space))
+            elif self.vertical == "middle":
+                top_space = (vertical_height - height) // 2
+                bottom_space = vertical_height - top_space - height
+                iter_segments = chain(
+                    blank_lines(top_space),
+                    generate_segments(),
+                    blank_lines(bottom_space),
+                )
+            else:  #  self.vertical == "bottom":
+                top_space = vertical_height - height
+                iter_segments = chain(blank_lines(top_space), generate_segments())
+        else:
+            iter_segments = generate_segments()
+        if self.style:
+            style = console.get_style(self.style)
+            iter_segments = Segment.apply_style(iter_segments, style)
+        yield from iter_segments
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        measurement = Measurement.get(console, options, self.renderable)
+        return measurement
+
+
+class VerticalCenter(JupyterMixin):
+    """Vertically aligns a renderable.
+
+    Warn:
+        This class is deprecated and may be removed in a future version. Use Align class with
+        `vertical="middle"`.
+
+    Args:
+        renderable (RenderableType): A renderable object.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+    ) -> None:
+        self.renderable = renderable
+        self.style = style
+
+    def __repr__(self) -> str:
+        return f"VerticalCenter({self.renderable!r})"
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        style = console.get_style(self.style) if self.style is not None else None
+        lines = console.render_lines(
+            self.renderable, options.update(height=None), pad=False
+        )
+        width, _height = Segment.get_shape(lines)
+        new_line = Segment.line()
+        height = options.height or options.size.height
+        top_space = (height - len(lines)) // 2
+        bottom_space = height - top_space - len(lines)
+        blank_line = Segment(f"{' ' * width}", style)
+
+        def blank_lines(count: int) -> Iterable[Segment]:
+            for _ in range(count):
+                yield blank_line
+                yield new_line
+
+        if top_space > 0:
+            yield from blank_lines(top_space)
+        for line in lines:
+            yield from line
+            yield new_line
+        if bottom_space > 0:
+            yield from blank_lines(bottom_space)
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        measurement = Measurement.get(console, options, self.renderable)
+        return measurement
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console, Group
+    from pip._vendor.rich.highlighter import ReprHighlighter
+    from pip._vendor.rich.panel import Panel
+
+    highlighter = ReprHighlighter()
+    console = Console()
+
+    panel = Panel(
+        Group(
+            Align.left(highlighter("align='left'")),
+            Align.center(highlighter("align='center'")),
+            Align.right(highlighter("align='right'")),
+        ),
+        width=60,
+        style="on dark_blue",
+        title="Algin",
+    )
+
+    console.print(
+        Align.center(panel, vertical="middle", style="on red", height=console.height)
+    )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/ansi.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/ansi.py
new file mode 100644
index 0000000000000000000000000000000000000000..92e4772eddfb5320dadadaf233bb5a89c53dc5e8
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/ansi.py
@@ -0,0 +1,228 @@
+from contextlib import suppress
+import re
+from typing import Iterable, NamedTuple
+
+from .color import Color
+from .style import Style
+from .text import Text
+
+re_ansi = re.compile(r"(?:\x1b\[(.*?)m)|(?:\x1b\](.*?)\x1b\\)")
+re_csi = re.compile(r"\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])")
+
+
+class _AnsiToken(NamedTuple):
+    """Result of ansi tokenized string."""
+
+    plain: str = ""
+    sgr: str = ""
+    osc: str = ""
+
+
+def _ansi_tokenize(ansi_text: str) -> Iterable[_AnsiToken]:
+    """Tokenize a string in to plain text and ANSI codes.
+
+    Args:
+        ansi_text (str): A String containing ANSI codes.
+
+    Yields:
+        AnsiToken: A named tuple of (plain, sgr, osc)
+    """
+
+    def remove_csi(ansi_text: str) -> str:
+        """Remove unknown CSI sequences."""
+        return re_csi.sub("", ansi_text)
+
+    position = 0
+    for match in re_ansi.finditer(ansi_text):
+        start, end = match.span(0)
+        sgr, osc = match.groups()
+        if start > position:
+            yield _AnsiToken(remove_csi(ansi_text[position:start]))
+        yield _AnsiToken("", sgr, osc)
+        position = end
+    if position < len(ansi_text):
+        yield _AnsiToken(remove_csi(ansi_text[position:]))
+
+
+SGR_STYLE_MAP = {
+    1: "bold",
+    2: "dim",
+    3: "italic",
+    4: "underline",
+    5: "blink",
+    6: "blink2",
+    7: "reverse",
+    8: "conceal",
+    9: "strike",
+    21: "underline2",
+    22: "not dim not bold",
+    23: "not italic",
+    24: "not underline",
+    25: "not blink",
+    26: "not blink2",
+    27: "not reverse",
+    28: "not conceal",
+    29: "not strike",
+    30: "color(0)",
+    31: "color(1)",
+    32: "color(2)",
+    33: "color(3)",
+    34: "color(4)",
+    35: "color(5)",
+    36: "color(6)",
+    37: "color(7)",
+    39: "default",
+    40: "on color(0)",
+    41: "on color(1)",
+    42: "on color(2)",
+    43: "on color(3)",
+    44: "on color(4)",
+    45: "on color(5)",
+    46: "on color(6)",
+    47: "on color(7)",
+    49: "on default",
+    51: "frame",
+    52: "encircle",
+    53: "overline",
+    54: "not frame not encircle",
+    55: "not overline",
+    90: "color(8)",
+    91: "color(9)",
+    92: "color(10)",
+    93: "color(11)",
+    94: "color(12)",
+    95: "color(13)",
+    96: "color(14)",
+    97: "color(15)",
+    100: "on color(8)",
+    101: "on color(9)",
+    102: "on color(10)",
+    103: "on color(11)",
+    104: "on color(12)",
+    105: "on color(13)",
+    106: "on color(14)",
+    107: "on color(15)",
+}
+
+
+class AnsiDecoder:
+    """Translate ANSI code in to styled Text."""
+
+    def __init__(self) -> None:
+        self.style = Style.null()
+
+    def decode(self, terminal_text: str) -> Iterable[Text]:
+        """Decode ANSI codes in an interable of lines.
+
+        Args:
+            lines (Iterable[str]): An iterable of lines of terminal output.
+
+        Yields:
+            Text: Marked up Text.
+        """
+        for line in terminal_text.splitlines():
+            yield self.decode_line(line)
+
+    def decode_line(self, line: str) -> Text:
+        """Decode a line containing ansi codes.
+
+        Args:
+            line (str): A line of terminal output.
+
+        Returns:
+            Text: A Text instance marked up according to ansi codes.
+        """
+        from_ansi = Color.from_ansi
+        from_rgb = Color.from_rgb
+        _Style = Style
+        text = Text()
+        append = text.append
+        line = line.rsplit("\r", 1)[-1]
+        for token in _ansi_tokenize(line):
+            plain_text, sgr, osc = token
+            if plain_text:
+                append(plain_text, self.style or None)
+            elif osc:
+                if osc.startswith("8;"):
+                    _params, semicolon, link = osc[2:].partition(";")
+                    if semicolon:
+                        self.style = self.style.update_link(link or None)
+            elif sgr:
+                # Translate in to semi-colon separated codes
+                # Ignore invalid codes, because we want to be lenient
+                codes = [
+                    min(255, int(_code)) for _code in sgr.split(";") if _code.isdigit()
+                ]
+                iter_codes = iter(codes)
+                for code in iter_codes:
+                    if code == 0:
+                        # reset
+                        self.style = _Style.null()
+                    elif code in SGR_STYLE_MAP:
+                        # styles
+                        self.style += _Style.parse(SGR_STYLE_MAP[code])
+                    elif code == 38:
+                        #  Foreground
+                        with suppress(StopIteration):
+                            color_type = next(iter_codes)
+                            if color_type == 5:
+                                self.style += _Style.from_color(
+                                    from_ansi(next(iter_codes))
+                                )
+                            elif color_type == 2:
+                                self.style += _Style.from_color(
+                                    from_rgb(
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                    )
+                                )
+                    elif code == 48:
+                        # Background
+                        with suppress(StopIteration):
+                            color_type = next(iter_codes)
+                            if color_type == 5:
+                                self.style += _Style.from_color(
+                                    None, from_ansi(next(iter_codes))
+                                )
+                            elif color_type == 2:
+                                self.style += _Style.from_color(
+                                    None,
+                                    from_rgb(
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                    ),
+                                )
+
+        return text
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import pty
+    import io
+    import os
+    import sys
+
+    decoder = AnsiDecoder()
+
+    stdout = io.BytesIO()
+
+    def read(fd: int) -> bytes:
+        data = os.read(fd, 1024)
+        stdout.write(data)
+        return data
+
+    pty.spawn(sys.argv[1:], read)
+
+    from .console import Console
+
+    console = Console(record=True)
+
+    stdout_result = stdout.getvalue().decode("utf-8")
+    print(stdout_result)
+
+    for line in decoder.decode(stdout_result):
+        console.print(line)
+
+    console.save_html("stdout.html")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/bar.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/bar.py
new file mode 100644
index 0000000000000000000000000000000000000000..ed86a552d1ca6baa0cfd48ec73a7a5c952d047c9
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/bar.py
@@ -0,0 +1,94 @@
+from typing import Optional, Union
+
+from .color import Color
+from .console import Console, ConsoleOptions, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style
+
+# There are left-aligned characters for 1/8 to 7/8, but
+# the right-aligned characters exist only for 1/8 and 4/8.
+BEGIN_BLOCK_ELEMENTS = ["█", "█", "█", "▐", "▐", "▐", "▕", "▕"]
+END_BLOCK_ELEMENTS = [" ", "▏", "▎", "▍", "▌", "▋", "▊", "▉"]
+FULL_BLOCK = "█"
+
+
+class Bar(JupyterMixin):
+    """Renders a solid block bar.
+
+    Args:
+        size (float): Value for the end of the bar.
+        begin (float): Begin point (between 0 and size, inclusive).
+        end (float): End point (between 0 and size, inclusive).
+        width (int, optional): Width of the bar, or ``None`` for maximum width. Defaults to None.
+        color (Union[Color, str], optional): Color of the bar. Defaults to "default".
+        bgcolor (Union[Color, str], optional): Color of bar background. Defaults to "default".
+    """
+
+    def __init__(
+        self,
+        size: float,
+        begin: float,
+        end: float,
+        *,
+        width: Optional[int] = None,
+        color: Union[Color, str] = "default",
+        bgcolor: Union[Color, str] = "default",
+    ):
+        self.size = size
+        self.begin = max(begin, 0)
+        self.end = min(end, size)
+        self.width = width
+        self.style = Style(color=color, bgcolor=bgcolor)
+
+    def __repr__(self) -> str:
+        return f"Bar({self.size}, {self.begin}, {self.end})"
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+
+        width = min(
+            self.width if self.width is not None else options.max_width,
+            options.max_width,
+        )
+
+        if self.begin >= self.end:
+            yield Segment(" " * width, self.style)
+            yield Segment.line()
+            return
+
+        prefix_complete_eights = int(width * 8 * self.begin / self.size)
+        prefix_bar_count = prefix_complete_eights // 8
+        prefix_eights_count = prefix_complete_eights % 8
+
+        body_complete_eights = int(width * 8 * self.end / self.size)
+        body_bar_count = body_complete_eights // 8
+        body_eights_count = body_complete_eights % 8
+
+        # When start and end fall into the same cell, we ideally should render
+        # a symbol that's "center-aligned", but there is no good symbol in Unicode.
+        # In this case, we fall back to right-aligned block symbol for simplicity.
+
+        prefix = " " * prefix_bar_count
+        if prefix_eights_count:
+            prefix += BEGIN_BLOCK_ELEMENTS[prefix_eights_count]
+
+        body = FULL_BLOCK * body_bar_count
+        if body_eights_count:
+            body += END_BLOCK_ELEMENTS[body_eights_count]
+
+        suffix = " " * (width - len(body))
+
+        yield Segment(prefix + body[len(prefix) :] + suffix, self.style)
+        yield Segment.line()
+
+    def __rich_measure__(
+        self, console: Console, options: ConsoleOptions
+    ) -> Measurement:
+        return (
+            Measurement(self.width, self.width)
+            if self.width is not None
+            else Measurement(4, options.max_width)
+        )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/box.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/box.py
new file mode 100644
index 0000000000000000000000000000000000000000..aec2926bea28c5914f8d26731f831260a2b6057b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/box.py
@@ -0,0 +1,483 @@
+import sys
+from typing import TYPE_CHECKING, Iterable, List
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+
+from ._loop import loop_last
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.console import ConsoleOptions
+
+
+class Box:
+    """Defines characters to render boxes.
+
+    ┌─┬┐ top
+    │ ││ head
+    ├─┼┤ head_row
+    │ ││ mid
+    ├─┼┤ row
+    ├─┼┤ foot_row
+    │ ││ foot
+    └─┴┘ bottom
+
+    Args:
+        box (str): Characters making up box.
+        ascii (bool, optional): True if this box uses ascii characters only. Default is False.
+    """
+
+    def __init__(self, box: str, *, ascii: bool = False) -> None:
+        self._box = box
+        self.ascii = ascii
+        line1, line2, line3, line4, line5, line6, line7, line8 = box.splitlines()
+        # top
+        self.top_left, self.top, self.top_divider, self.top_right = iter(line1)
+        # head
+        self.head_left, _, self.head_vertical, self.head_right = iter(line2)
+        # head_row
+        (
+            self.head_row_left,
+            self.head_row_horizontal,
+            self.head_row_cross,
+            self.head_row_right,
+        ) = iter(line3)
+
+        # mid
+        self.mid_left, _, self.mid_vertical, self.mid_right = iter(line4)
+        # row
+        self.row_left, self.row_horizontal, self.row_cross, self.row_right = iter(line5)
+        # foot_row
+        (
+            self.foot_row_left,
+            self.foot_row_horizontal,
+            self.foot_row_cross,
+            self.foot_row_right,
+        ) = iter(line6)
+        # foot
+        self.foot_left, _, self.foot_vertical, self.foot_right = iter(line7)
+        # bottom
+        self.bottom_left, self.bottom, self.bottom_divider, self.bottom_right = iter(
+            line8
+        )
+
+    def __repr__(self) -> str:
+        return "Box(...)"
+
+    def __str__(self) -> str:
+        return self._box
+
+    def substitute(self, options: "ConsoleOptions", safe: bool = True) -> "Box":
+        """Substitute this box for another if it won't render due to platform issues.
+
+        Args:
+            options (ConsoleOptions): Console options used in rendering.
+            safe (bool, optional): Substitute this for another Box if there are known problems
+                displaying on the platform (currently only relevant on Windows). Default is True.
+
+        Returns:
+            Box: A different Box or the same Box.
+        """
+        box = self
+        if options.legacy_windows and safe:
+            box = LEGACY_WINDOWS_SUBSTITUTIONS.get(box, box)
+        if options.ascii_only and not box.ascii:
+            box = ASCII
+        return box
+
+    def get_top(self, widths: Iterable[int]) -> str:
+        """Get the top of a simple box.
+
+        Args:
+            widths (List[int]): Widths of columns.
+
+        Returns:
+            str: A string of box characters.
+        """
+
+        parts: List[str] = []
+        append = parts.append
+        append(self.top_left)
+        for last, width in loop_last(widths):
+            append(self.top * width)
+            if not last:
+                append(self.top_divider)
+        append(self.top_right)
+        return "".join(parts)
+
+    def get_row(
+        self,
+        widths: Iterable[int],
+        level: Literal["head", "row", "foot", "mid"] = "row",
+        edge: bool = True,
+    ) -> str:
+        """Get the top of a simple box.
+
+        Args:
+            width (List[int]): Widths of columns.
+
+        Returns:
+            str: A string of box characters.
+        """
+        if level == "head":
+            left = self.head_row_left
+            horizontal = self.head_row_horizontal
+            cross = self.head_row_cross
+            right = self.head_row_right
+        elif level == "row":
+            left = self.row_left
+            horizontal = self.row_horizontal
+            cross = self.row_cross
+            right = self.row_right
+        elif level == "mid":
+            left = self.mid_left
+            horizontal = " "
+            cross = self.mid_vertical
+            right = self.mid_right
+        elif level == "foot":
+            left = self.foot_row_left
+            horizontal = self.foot_row_horizontal
+            cross = self.foot_row_cross
+            right = self.foot_row_right
+        else:
+            raise ValueError("level must be 'head', 'row' or 'foot'")
+
+        parts: List[str] = []
+        append = parts.append
+        if edge:
+            append(left)
+        for last, width in loop_last(widths):
+            append(horizontal * width)
+            if not last:
+                append(cross)
+        if edge:
+            append(right)
+        return "".join(parts)
+
+    def get_bottom(self, widths: Iterable[int]) -> str:
+        """Get the bottom of a simple box.
+
+        Args:
+            widths (List[int]): Widths of columns.
+
+        Returns:
+            str: A string of box characters.
+        """
+
+        parts: List[str] = []
+        append = parts.append
+        append(self.bottom_left)
+        for last, width in loop_last(widths):
+            append(self.bottom * width)
+            if not last:
+                append(self.bottom_divider)
+        append(self.bottom_right)
+        return "".join(parts)
+
+
+ASCII: Box = Box(
+    """\
++--+
+| ||
+|-+|
+| ||
+|-+|
+|-+|
+| ||
++--+
+""",
+    ascii=True,
+)
+
+ASCII2: Box = Box(
+    """\
++-++
+| ||
++-++
+| ||
++-++
++-++
+| ||
++-++
+""",
+    ascii=True,
+)
+
+ASCII_DOUBLE_HEAD: Box = Box(
+    """\
++-++
+| ||
++=++
+| ||
++-++
++-++
+| ||
++-++
+""",
+    ascii=True,
+)
+
+SQUARE: Box = Box(
+    """\
+┌─┬┐
+│ ││
+├─┼┤
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+└─┴┘
+"""
+)
+
+SQUARE_DOUBLE_HEAD: Box = Box(
+    """\
+┌─┬┐
+│ ││
+╞═╪╡
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+└─┴┘
+"""
+)
+
+MINIMAL: Box = Box(
+    """\
+  ╷ 
+  │ 
+╶─┼╴
+  │ 
+╶─┼╴
+╶─┼╴
+  │ 
+  ╵ 
+"""
+)
+
+
+MINIMAL_HEAVY_HEAD: Box = Box(
+    """\
+  ╷ 
+  │ 
+╺━┿╸
+  │ 
+╶─┼╴
+╶─┼╴
+  │ 
+  ╵ 
+"""
+)
+
+MINIMAL_DOUBLE_HEAD: Box = Box(
+    """\
+  ╷ 
+  │ 
+ ═╪ 
+  │ 
+ ─┼ 
+ ─┼ 
+  │ 
+  ╵ 
+"""
+)
+
+
+SIMPLE: Box = Box(
+    """\
+    
+    
+ ── 
+    
+    
+ ── 
+    
+    
+"""
+)
+
+SIMPLE_HEAD: Box = Box(
+    """\
+    
+    
+ ── 
+    
+    
+    
+    
+    
+"""
+)
+
+
+SIMPLE_HEAVY: Box = Box(
+    """\
+    
+    
+ ━━ 
+    
+    
+ ━━ 
+    
+    
+"""
+)
+
+
+HORIZONTALS: Box = Box(
+    """\
+ ── 
+    
+ ── 
+    
+ ── 
+ ── 
+    
+ ── 
+"""
+)
+
+ROUNDED: Box = Box(
+    """\
+╭─┬╮
+│ ││
+├─┼┤
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+╰─┴╯
+"""
+)
+
+HEAVY: Box = Box(
+    """\
+┏━┳┓
+┃ ┃┃
+┣━╋┫
+┃ ┃┃
+┣━╋┫
+┣━╋┫
+┃ ┃┃
+┗━┻┛
+"""
+)
+
+HEAVY_EDGE: Box = Box(
+    """\
+┏━┯┓
+┃ │┃
+┠─┼┨
+┃ │┃
+┠─┼┨
+┠─┼┨
+┃ │┃
+┗━┷┛
+"""
+)
+
+HEAVY_HEAD: Box = Box(
+    """\
+┏━┳┓
+┃ ┃┃
+┡━╇┩
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+└─┴┘
+"""
+)
+
+DOUBLE: Box = Box(
+    """\
+╔═╦╗
+║ ║║
+╠═╬╣
+║ ║║
+╠═╬╣
+╠═╬╣
+║ ║║
+╚═╩╝
+"""
+)
+
+DOUBLE_EDGE: Box = Box(
+    """\
+╔═╤╗
+║ │║
+╟─┼╢
+║ │║
+╟─┼╢
+╟─┼╢
+║ │║
+╚═╧╝
+"""
+)
+
+# Map Boxes that don't render with raster fonts on to equivalent that do
+LEGACY_WINDOWS_SUBSTITUTIONS = {
+    ROUNDED: SQUARE,
+    MINIMAL_HEAVY_HEAD: MINIMAL,
+    SIMPLE_HEAVY: SIMPLE,
+    HEAVY: SQUARE,
+    HEAVY_EDGE: SQUARE,
+    HEAVY_HEAD: SQUARE,
+}
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from pip._vendor.rich.columns import Columns
+    from pip._vendor.rich.panel import Panel
+
+    from . import box as box
+    from .console import Console
+    from .table import Table
+    from .text import Text
+
+    console = Console(record=True)
+
+    BOXES = [
+        "ASCII",
+        "ASCII2",
+        "ASCII_DOUBLE_HEAD",
+        "SQUARE",
+        "SQUARE_DOUBLE_HEAD",
+        "MINIMAL",
+        "MINIMAL_HEAVY_HEAD",
+        "MINIMAL_DOUBLE_HEAD",
+        "SIMPLE",
+        "SIMPLE_HEAD",
+        "SIMPLE_HEAVY",
+        "HORIZONTALS",
+        "ROUNDED",
+        "HEAVY",
+        "HEAVY_EDGE",
+        "HEAVY_HEAD",
+        "DOUBLE",
+        "DOUBLE_EDGE",
+    ]
+
+    console.print(Panel("[bold green]Box Constants", style="green"), justify="center")
+    console.print()
+
+    columns = Columns(expand=True, padding=2)
+    for box_name in sorted(BOXES):
+        table = Table(
+            show_footer=True, style="dim", border_style="not dim", expand=True
+        )
+        table.add_column("Header 1", "Footer 1")
+        table.add_column("Header 2", "Footer 2")
+        table.add_row("Cell", "Cell")
+        table.add_row("Cell", "Cell")
+        table.box = getattr(box, box_name)
+        table.title = Text(f"box.{box_name}", style="magenta")
+        columns.add_renderable(table)
+    console.print(columns)
+
+    # console.save_html("box.html", inline_styles=True)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/cells.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/cells.py
new file mode 100644
index 0000000000000000000000000000000000000000..e824ea2a6df91e2a6af08e5d5cc2f6703f8853d8
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/cells.py
@@ -0,0 +1,147 @@
+from functools import lru_cache
+import re
+from typing import Dict, List
+
+from ._cell_widths import CELL_WIDTHS
+from ._lru_cache import LRUCache
+
+# Regex to match sequence of the most common character ranges
+_is_single_cell_widths = re.compile("^[\u0020-\u006f\u00a0\u02ff\u0370-\u0482]*$").match
+
+
+def cell_len(text: str, _cache: Dict[str, int] = LRUCache(1024 * 4)) -> int:
+    """Get the number of cells required to display text.
+
+    Args:
+        text (str): Text to display.
+
+    Returns:
+        int: Get the number of cells required to display text.
+    """
+
+    if _is_single_cell_widths(text):
+        return len(text)
+    else:
+        cached_result = _cache.get(text, None)
+        if cached_result is not None:
+            return cached_result
+        _get_size = get_character_cell_size
+        total_size = sum(_get_size(character) for character in text)
+        if len(text) <= 64:
+            _cache[text] = total_size
+    return total_size
+
+
+@lru_cache(maxsize=4096)
+def get_character_cell_size(character: str) -> int:
+    """Get the cell size of a character.
+
+    Args:
+        character (str): A single character.
+
+    Returns:
+        int: Number of cells (0, 1 or 2) occupied by that character.
+    """
+    if _is_single_cell_widths(character):
+        return 1
+
+    return _get_codepoint_cell_size(ord(character))
+
+
+@lru_cache(maxsize=4096)
+def _get_codepoint_cell_size(codepoint: int) -> int:
+    """Get the cell size of a character.
+
+    Args:
+        character (str): A single character.
+
+    Returns:
+        int: Number of cells (0, 1 or 2) occupied by that character.
+    """
+
+    _table = CELL_WIDTHS
+    lower_bound = 0
+    upper_bound = len(_table) - 1
+    index = (lower_bound + upper_bound) // 2
+    while True:
+        start, end, width = _table[index]
+        if codepoint < start:
+            upper_bound = index - 1
+        elif codepoint > end:
+            lower_bound = index + 1
+        else:
+            return 0 if width == -1 else width
+        if upper_bound < lower_bound:
+            break
+        index = (lower_bound + upper_bound) // 2
+    return 1
+
+
+def set_cell_size(text: str, total: int) -> str:
+    """Set the length of a string to fit within given number of cells."""
+
+    if _is_single_cell_widths(text):
+        size = len(text)
+        if size < total:
+            return text + " " * (total - size)
+        return text[:total]
+
+    if not total:
+        return ""
+    cell_size = cell_len(text)
+    if cell_size == total:
+        return text
+    if cell_size < total:
+        return text + " " * (total - cell_size)
+
+    start = 0
+    end = len(text)
+
+    # Binary search until we find the right size
+    while True:
+        pos = (start + end) // 2
+        before = text[: pos + 1]
+        before_len = cell_len(before)
+        if before_len == total + 1 and cell_len(before[-1]) == 2:
+            return before[:-1] + " "
+        if before_len == total:
+            return before
+        if before_len > total:
+            end = pos
+        else:
+            start = pos
+
+
+# TODO: This is inefficient
+# TODO: This might not work with CWJ type characters
+def chop_cells(text: str, max_size: int, position: int = 0) -> List[str]:
+    """Break text in to equal (cell) length strings."""
+    _get_character_cell_size = get_character_cell_size
+    characters = [
+        (character, _get_character_cell_size(character)) for character in text
+    ][::-1]
+    total_size = position
+    lines: List[List[str]] = [[]]
+    append = lines[-1].append
+
+    pop = characters.pop
+    while characters:
+        character, size = pop()
+        if total_size + size > max_size:
+            lines.append([character])
+            append = lines[-1].append
+            total_size = size
+        else:
+            total_size += size
+            append(character)
+    return ["".join(line) for line in lines]
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    print(get_character_cell_size("😽"))
+    for line in chop_cells("""这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑。""", 8):
+        print(line)
+    for n in range(80, 1, -1):
+        print(set_cell_size("""这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑。""", n) + "|")
+        print("x" * n)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/color.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/color.py
new file mode 100644
index 0000000000000000000000000000000000000000..f0fa026d64687dea1ddfa061ca5875578eb45db2
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/color.py
@@ -0,0 +1,581 @@
+import platform
+import re
+from colorsys import rgb_to_hls
+from enum import IntEnum
+from functools import lru_cache
+from typing import TYPE_CHECKING, NamedTuple, Optional, Tuple
+
+from ._palettes import EIGHT_BIT_PALETTE, STANDARD_PALETTE, WINDOWS_PALETTE
+from .color_triplet import ColorTriplet
+from .repr import rich_repr, Result
+from .terminal_theme import DEFAULT_TERMINAL_THEME
+
+if TYPE_CHECKING:  # pragma: no cover
+    from .terminal_theme import TerminalTheme
+    from .text import Text
+
+
+WINDOWS = platform.system() == "Windows"
+
+
+class ColorSystem(IntEnum):
+    """One of the 3 color system supported by terminals."""
+
+    STANDARD = 1
+    EIGHT_BIT = 2
+    TRUECOLOR = 3
+    WINDOWS = 4
+
+    def __repr__(self) -> str:
+        return f"ColorSystem.{self.name}"
+
+
+class ColorType(IntEnum):
+    """Type of color stored in Color class."""
+
+    DEFAULT = 0
+    STANDARD = 1
+    EIGHT_BIT = 2
+    TRUECOLOR = 3
+    WINDOWS = 4
+
+    def __repr__(self) -> str:
+        return f"ColorType.{self.name}"
+
+
+ANSI_COLOR_NAMES = {
+    "black": 0,
+    "red": 1,
+    "green": 2,
+    "yellow": 3,
+    "blue": 4,
+    "magenta": 5,
+    "cyan": 6,
+    "white": 7,
+    "bright_black": 8,
+    "bright_red": 9,
+    "bright_green": 10,
+    "bright_yellow": 11,
+    "bright_blue": 12,
+    "bright_magenta": 13,
+    "bright_cyan": 14,
+    "bright_white": 15,
+    "grey0": 16,
+    "navy_blue": 17,
+    "dark_blue": 18,
+    "blue3": 20,
+    "blue1": 21,
+    "dark_green": 22,
+    "deep_sky_blue4": 25,
+    "dodger_blue3": 26,
+    "dodger_blue2": 27,
+    "green4": 28,
+    "spring_green4": 29,
+    "turquoise4": 30,
+    "deep_sky_blue3": 32,
+    "dodger_blue1": 33,
+    "green3": 40,
+    "spring_green3": 41,
+    "dark_cyan": 36,
+    "light_sea_green": 37,
+    "deep_sky_blue2": 38,
+    "deep_sky_blue1": 39,
+    "spring_green2": 47,
+    "cyan3": 43,
+    "dark_turquoise": 44,
+    "turquoise2": 45,
+    "green1": 46,
+    "spring_green1": 48,
+    "medium_spring_green": 49,
+    "cyan2": 50,
+    "cyan1": 51,
+    "dark_red": 88,
+    "deep_pink4": 125,
+    "purple4": 55,
+    "purple3": 56,
+    "blue_violet": 57,
+    "orange4": 94,
+    "grey37": 59,
+    "medium_purple4": 60,
+    "slate_blue3": 62,
+    "royal_blue1": 63,
+    "chartreuse4": 64,
+    "dark_sea_green4": 71,
+    "pale_turquoise4": 66,
+    "steel_blue": 67,
+    "steel_blue3": 68,
+    "cornflower_blue": 69,
+    "chartreuse3": 76,
+    "cadet_blue": 73,
+    "sky_blue3": 74,
+    "steel_blue1": 81,
+    "pale_green3": 114,
+    "sea_green3": 78,
+    "aquamarine3": 79,
+    "medium_turquoise": 80,
+    "chartreuse2": 112,
+    "sea_green2": 83,
+    "sea_green1": 85,
+    "aquamarine1": 122,
+    "dark_slate_gray2": 87,
+    "dark_magenta": 91,
+    "dark_violet": 128,
+    "purple": 129,
+    "light_pink4": 95,
+    "plum4": 96,
+    "medium_purple3": 98,
+    "slate_blue1": 99,
+    "yellow4": 106,
+    "wheat4": 101,
+    "grey53": 102,
+    "light_slate_grey": 103,
+    "medium_purple": 104,
+    "light_slate_blue": 105,
+    "dark_olive_green3": 149,
+    "dark_sea_green": 108,
+    "light_sky_blue3": 110,
+    "sky_blue2": 111,
+    "dark_sea_green3": 150,
+    "dark_slate_gray3": 116,
+    "sky_blue1": 117,
+    "chartreuse1": 118,
+    "light_green": 120,
+    "pale_green1": 156,
+    "dark_slate_gray1": 123,
+    "red3": 160,
+    "medium_violet_red": 126,
+    "magenta3": 164,
+    "dark_orange3": 166,
+    "indian_red": 167,
+    "hot_pink3": 168,
+    "medium_orchid3": 133,
+    "medium_orchid": 134,
+    "medium_purple2": 140,
+    "dark_goldenrod": 136,
+    "light_salmon3": 173,
+    "rosy_brown": 138,
+    "grey63": 139,
+    "medium_purple1": 141,
+    "gold3": 178,
+    "dark_khaki": 143,
+    "navajo_white3": 144,
+    "grey69": 145,
+    "light_steel_blue3": 146,
+    "light_steel_blue": 147,
+    "yellow3": 184,
+    "dark_sea_green2": 157,
+    "light_cyan3": 152,
+    "light_sky_blue1": 153,
+    "green_yellow": 154,
+    "dark_olive_green2": 155,
+    "dark_sea_green1": 193,
+    "pale_turquoise1": 159,
+    "deep_pink3": 162,
+    "magenta2": 200,
+    "hot_pink2": 169,
+    "orchid": 170,
+    "medium_orchid1": 207,
+    "orange3": 172,
+    "light_pink3": 174,
+    "pink3": 175,
+    "plum3": 176,
+    "violet": 177,
+    "light_goldenrod3": 179,
+    "tan": 180,
+    "misty_rose3": 181,
+    "thistle3": 182,
+    "plum2": 183,
+    "khaki3": 185,
+    "light_goldenrod2": 222,
+    "light_yellow3": 187,
+    "grey84": 188,
+    "light_steel_blue1": 189,
+    "yellow2": 190,
+    "dark_olive_green1": 192,
+    "honeydew2": 194,
+    "light_cyan1": 195,
+    "red1": 196,
+    "deep_pink2": 197,
+    "deep_pink1": 199,
+    "magenta1": 201,
+    "orange_red1": 202,
+    "indian_red1": 204,
+    "hot_pink": 206,
+    "dark_orange": 208,
+    "salmon1": 209,
+    "light_coral": 210,
+    "pale_violet_red1": 211,
+    "orchid2": 212,
+    "orchid1": 213,
+    "orange1": 214,
+    "sandy_brown": 215,
+    "light_salmon1": 216,
+    "light_pink1": 217,
+    "pink1": 218,
+    "plum1": 219,
+    "gold1": 220,
+    "navajo_white1": 223,
+    "misty_rose1": 224,
+    "thistle1": 225,
+    "yellow1": 226,
+    "light_goldenrod1": 227,
+    "khaki1": 228,
+    "wheat1": 229,
+    "cornsilk1": 230,
+    "grey100": 231,
+    "grey3": 232,
+    "grey7": 233,
+    "grey11": 234,
+    "grey15": 235,
+    "grey19": 236,
+    "grey23": 237,
+    "grey27": 238,
+    "grey30": 239,
+    "grey35": 240,
+    "grey39": 241,
+    "grey42": 242,
+    "grey46": 243,
+    "grey50": 244,
+    "grey54": 245,
+    "grey58": 246,
+    "grey62": 247,
+    "grey66": 248,
+    "grey70": 249,
+    "grey74": 250,
+    "grey78": 251,
+    "grey82": 252,
+    "grey85": 253,
+    "grey89": 254,
+    "grey93": 255,
+}
+
+
+class ColorParseError(Exception):
+    """The color could not be parsed."""
+
+
+RE_COLOR = re.compile(
+    r"""^
+\#([0-9a-f]{6})$|
+color\(([0-9]{1,3})\)$|
+rgb\(([\d\s,]+)\)$
+""",
+    re.VERBOSE,
+)
+
+
+@rich_repr
+class Color(NamedTuple):
+    """Terminal color definition."""
+
+    name: str
+    """The name of the color (typically the input to Color.parse)."""
+    type: ColorType
+    """The type of the color."""
+    number: Optional[int] = None
+    """The color number, if a standard color, or None."""
+    triplet: Optional[ColorTriplet] = None
+    """A triplet of color components, if an RGB color."""
+
+    def __rich__(self) -> "Text":
+        """Dispays the actual color if Rich printed."""
+        from .text import Text
+        from .style import Style
+
+        return Text.assemble(
+            f"<color {self.name!r} ({self.type.name.lower()})",
+            ("⬤", Style(color=self)),
+            " >",
+        )
+
+    def __rich_repr__(self) -> Result:
+        yield self.name
+        yield self.type
+        yield "number", self.number, None
+        yield "triplet", self.triplet, None
+
+    @property
+    def system(self) -> ColorSystem:
+        """Get the native color system for this color."""
+        if self.type == ColorType.DEFAULT:
+            return ColorSystem.STANDARD
+        return ColorSystem(int(self.type))
+
+    @property
+    def is_system_defined(self) -> bool:
+        """Check if the color is ultimately defined by the system."""
+        return self.system not in (ColorSystem.EIGHT_BIT, ColorSystem.TRUECOLOR)
+
+    @property
+    def is_default(self) -> bool:
+        """Check if the color is a default color."""
+        return self.type == ColorType.DEFAULT
+
+    def get_truecolor(
+        self, theme: Optional["TerminalTheme"] = None, foreground: bool = True
+    ) -> ColorTriplet:
+        """Get an equivalent color triplet for this color.
+
+        Args:
+            theme (TerminalTheme, optional): Optional terminal theme, or None to use default. Defaults to None.
+            foreground (bool, optional): True for a foreground color, or False for background. Defaults to True.
+
+        Returns:
+            ColorTriplet: A color triplet containing RGB components.
+        """
+
+        if theme is None:
+            theme = DEFAULT_TERMINAL_THEME
+        if self.type == ColorType.TRUECOLOR:
+            assert self.triplet is not None
+            return self.triplet
+        elif self.type == ColorType.EIGHT_BIT:
+            assert self.number is not None
+            return EIGHT_BIT_PALETTE[self.number]
+        elif self.type == ColorType.STANDARD:
+            assert self.number is not None
+            return theme.ansi_colors[self.number]
+        elif self.type == ColorType.WINDOWS:
+            assert self.number is not None
+            return WINDOWS_PALETTE[self.number]
+        else:  # self.type == ColorType.DEFAULT:
+            assert self.number is None
+            return theme.foreground_color if foreground else theme.background_color
+
+    @classmethod
+    def from_ansi(cls, number: int) -> "Color":
+        """Create a Color number from it's 8-bit ansi number.
+
+        Args:
+            number (int): A number between 0-255 inclusive.
+
+        Returns:
+            Color: A new Color instance.
+        """
+        return cls(
+            name=f"color({number})",
+            type=(ColorType.STANDARD if number < 16 else ColorType.EIGHT_BIT),
+            number=number,
+        )
+
+    @classmethod
+    def from_triplet(cls, triplet: "ColorTriplet") -> "Color":
+        """Create a truecolor RGB color from a triplet of values.
+
+        Args:
+            triplet (ColorTriplet): A color triplet containing red, green and blue components.
+
+        Returns:
+            Color: A new color object.
+        """
+        return cls(name=triplet.hex, type=ColorType.TRUECOLOR, triplet=triplet)
+
+    @classmethod
+    def from_rgb(cls, red: float, green: float, blue: float) -> "Color":
+        """Create a truecolor from three color components in the range(0->255).
+
+        Args:
+            red (float): Red component in range 0-255.
+            green (float): Green component in range 0-255.
+            blue (float): Blue component in range 0-255.
+
+        Returns:
+            Color: A new color object.
+        """
+        return cls.from_triplet(ColorTriplet(int(red), int(green), int(blue)))
+
+    @classmethod
+    def default(cls) -> "Color":
+        """Get a Color instance representing the default color.
+
+        Returns:
+            Color: Default color.
+        """
+        return cls(name="default", type=ColorType.DEFAULT)
+
+    @classmethod
+    @lru_cache(maxsize=1024)
+    def parse(cls, color: str) -> "Color":
+        """Parse a color definition."""
+        original_color = color
+        color = color.lower().strip()
+
+        if color == "default":
+            return cls(color, type=ColorType.DEFAULT)
+
+        color_number = ANSI_COLOR_NAMES.get(color)
+        if color_number is not None:
+            return cls(
+                color,
+                type=(ColorType.STANDARD if color_number < 16 else ColorType.EIGHT_BIT),
+                number=color_number,
+            )
+
+        color_match = RE_COLOR.match(color)
+        if color_match is None:
+            raise ColorParseError(f"{original_color!r} is not a valid color")
+
+        color_24, color_8, color_rgb = color_match.groups()
+        if color_24:
+            triplet = ColorTriplet(
+                int(color_24[0:2], 16), int(color_24[2:4], 16), int(color_24[4:6], 16)
+            )
+            return cls(color, ColorType.TRUECOLOR, triplet=triplet)
+
+        elif color_8:
+            number = int(color_8)
+            if number > 255:
+                raise ColorParseError(f"color number must be <= 255 in {color!r}")
+            return cls(
+                color,
+                type=(ColorType.STANDARD if number < 16 else ColorType.EIGHT_BIT),
+                number=number,
+            )
+
+        else:  #  color_rgb:
+            components = color_rgb.split(",")
+            if len(components) != 3:
+                raise ColorParseError(
+                    f"expected three components in {original_color!r}"
+                )
+            red, green, blue = components
+            triplet = ColorTriplet(int(red), int(green), int(blue))
+            if not all(component <= 255 for component in triplet):
+                raise ColorParseError(
+                    f"color components must be <= 255 in {original_color!r}"
+                )
+            return cls(color, ColorType.TRUECOLOR, triplet=triplet)
+
+    @lru_cache(maxsize=1024)
+    def get_ansi_codes(self, foreground: bool = True) -> Tuple[str, ...]:
+        """Get the ANSI escape codes for this color."""
+        _type = self.type
+        if _type == ColorType.DEFAULT:
+            return ("39" if foreground else "49",)
+
+        elif _type == ColorType.WINDOWS:
+            number = self.number
+            assert number is not None
+            fore, back = (30, 40) if number < 8 else (82, 92)
+            return (str(fore + number if foreground else back + number),)
+
+        elif _type == ColorType.STANDARD:
+            number = self.number
+            assert number is not None
+            fore, back = (30, 40) if number < 8 else (82, 92)
+            return (str(fore + number if foreground else back + number),)
+
+        elif _type == ColorType.EIGHT_BIT:
+            assert self.number is not None
+            return ("38" if foreground else "48", "5", str(self.number))
+
+        else:  # self.standard == ColorStandard.TRUECOLOR:
+            assert self.triplet is not None
+            red, green, blue = self.triplet
+            return ("38" if foreground else "48", "2", str(red), str(green), str(blue))
+
+    @lru_cache(maxsize=1024)
+    def downgrade(self, system: ColorSystem) -> "Color":
+        """Downgrade a color system to a system with fewer colors."""
+
+        if self.type in [ColorType.DEFAULT, system]:
+            return self
+        # Convert to 8-bit color from truecolor color
+        if system == ColorSystem.EIGHT_BIT and self.system == ColorSystem.TRUECOLOR:
+            assert self.triplet is not None
+            red, green, blue = self.triplet.normalized
+            _h, l, s = rgb_to_hls(red, green, blue)
+            # If saturation is under 10% assume it is grayscale
+            if s < 0.1:
+                gray = round(l * 25.0)
+                if gray == 0:
+                    color_number = 16
+                elif gray == 25:
+                    color_number = 231
+                else:
+                    color_number = 231 + gray
+                return Color(self.name, ColorType.EIGHT_BIT, number=color_number)
+
+            color_number = (
+                16 + 36 * round(red * 5.0) + 6 * round(green * 5.0) + round(blue * 5.0)
+            )
+            return Color(self.name, ColorType.EIGHT_BIT, number=color_number)
+
+        # Convert to standard from truecolor or 8-bit
+        elif system == ColorSystem.STANDARD:
+            if self.system == ColorSystem.TRUECOLOR:
+                assert self.triplet is not None
+                triplet = self.triplet
+            else:  # self.system == ColorSystem.EIGHT_BIT
+                assert self.number is not None
+                triplet = ColorTriplet(*EIGHT_BIT_PALETTE[self.number])
+
+            color_number = STANDARD_PALETTE.match(triplet)
+            return Color(self.name, ColorType.STANDARD, number=color_number)
+
+        elif system == ColorSystem.WINDOWS:
+            if self.system == ColorSystem.TRUECOLOR:
+                assert self.triplet is not None
+                triplet = self.triplet
+            else:  # self.system == ColorSystem.EIGHT_BIT
+                assert self.number is not None
+                if self.number < 16:
+                    return Color(self.name, ColorType.WINDOWS, number=self.number)
+                triplet = ColorTriplet(*EIGHT_BIT_PALETTE[self.number])
+
+            color_number = WINDOWS_PALETTE.match(triplet)
+            return Color(self.name, ColorType.WINDOWS, number=color_number)
+
+        return self
+
+
+def parse_rgb_hex(hex_color: str) -> ColorTriplet:
+    """Parse six hex characters in to RGB triplet."""
+    assert len(hex_color) == 6, "must be 6 characters"
+    color = ColorTriplet(
+        int(hex_color[0:2], 16), int(hex_color[2:4], 16), int(hex_color[4:6], 16)
+    )
+    return color
+
+
+def blend_rgb(
+    color1: ColorTriplet, color2: ColorTriplet, cross_fade: float = 0.5
+) -> ColorTriplet:
+    """Blend one RGB color in to another."""
+    r1, g1, b1 = color1
+    r2, g2, b2 = color2
+    new_color = ColorTriplet(
+        int(r1 + (r2 - r1) * cross_fade),
+        int(g1 + (g2 - g1) * cross_fade),
+        int(b1 + (b2 - b1) * cross_fade),
+    )
+    return new_color
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from .console import Console
+    from .table import Table
+    from .text import Text
+
+    console = Console()
+
+    table = Table(show_footer=False, show_edge=True)
+    table.add_column("Color", width=10, overflow="ellipsis")
+    table.add_column("Number", justify="right", style="yellow")
+    table.add_column("Name", style="green")
+    table.add_column("Hex", style="blue")
+    table.add_column("RGB", style="magenta")
+
+    colors = sorted((v, k) for k, v in ANSI_COLOR_NAMES.items())
+    for color_number, name in colors:
+        color_cell = Text(" " * 10, style=f"on {name}")
+        if color_number < 16:
+            table.add_row(color_cell, f"{color_number}", Text(f'"{name}"'))
+        else:
+            color = EIGHT_BIT_PALETTE[color_number]  # type: ignore
+            table.add_row(
+                color_cell, str(color_number), Text(f'"{name}"'), color.hex, color.rgb
+            )
+
+    console.print(table)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/color_triplet.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/color_triplet.py
new file mode 100644
index 0000000000000000000000000000000000000000..02cab328251af9bfa809981aaa44933c407e2cd7
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/color_triplet.py
@@ -0,0 +1,38 @@
+from typing import NamedTuple, Tuple
+
+
+class ColorTriplet(NamedTuple):
+    """The red, green, and blue components of a color."""
+
+    red: int
+    """Red component in 0 to 255 range."""
+    green: int
+    """Green component in 0 to 255 range."""
+    blue: int
+    """Blue component in 0 to 255 range."""
+
+    @property
+    def hex(self) -> str:
+        """get the color triplet in CSS style."""
+        red, green, blue = self
+        return f"#{red:02x}{green:02x}{blue:02x}"
+
+    @property
+    def rgb(self) -> str:
+        """The color in RGB format.
+
+        Returns:
+            str: An rgb color, e.g. ``"rgb(100,23,255)"``.
+        """
+        red, green, blue = self
+        return f"rgb({red},{green},{blue})"
+
+    @property
+    def normalized(self) -> Tuple[float, float, float]:
+        """Convert components into floats between 0 and 1.
+
+        Returns:
+            Tuple[float, float, float]: A tuple of three normalized colour components.
+        """
+        red, green, blue = self
+        return red / 255.0, green / 255.0, blue / 255.0
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/columns.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/columns.py
new file mode 100644
index 0000000000000000000000000000000000000000..669a3a7074f9a9e1af29cb4bc78b05851df67959
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/columns.py
@@ -0,0 +1,187 @@
+from collections import defaultdict
+from itertools import chain
+from operator import itemgetter
+from typing import Dict, Iterable, List, Optional, Tuple
+
+from .align import Align, AlignMethod
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .constrain import Constrain
+from .measure import Measurement
+from .padding import Padding, PaddingDimensions
+from .table import Table
+from .text import TextType
+from .jupyter import JupyterMixin
+
+
+class Columns(JupyterMixin):
+    """Display renderables in neat columns.
+
+    Args:
+        renderables (Iterable[RenderableType]): Any number of Rich renderables (including str).
+        width (int, optional): The desired width of the columns, or None to auto detect. Defaults to None.
+        padding (PaddingDimensions, optional): Optional padding around cells. Defaults to (0, 1).
+        expand (bool, optional): Expand columns to full width. Defaults to False.
+        equal (bool, optional): Arrange in to equal sized columns. Defaults to False.
+        column_first (bool, optional): Align items from top to bottom (rather than left to right). Defaults to False.
+        right_to_left (bool, optional): Start column from right hand side. Defaults to False.
+        align (str, optional): Align value ("left", "right", or "center") or None for default. Defaults to None.
+        title (TextType, optional): Optional title for Columns.
+    """
+
+    def __init__(
+        self,
+        renderables: Optional[Iterable[RenderableType]] = None,
+        padding: PaddingDimensions = (0, 1),
+        *,
+        width: Optional[int] = None,
+        expand: bool = False,
+        equal: bool = False,
+        column_first: bool = False,
+        right_to_left: bool = False,
+        align: Optional[AlignMethod] = None,
+        title: Optional[TextType] = None,
+    ) -> None:
+        self.renderables = list(renderables or [])
+        self.width = width
+        self.padding = padding
+        self.expand = expand
+        self.equal = equal
+        self.column_first = column_first
+        self.right_to_left = right_to_left
+        self.align: Optional[AlignMethod] = align
+        self.title = title
+
+    def add_renderable(self, renderable: RenderableType) -> None:
+        """Add a renderable to the columns.
+
+        Args:
+            renderable (RenderableType): Any renderable object.
+        """
+        self.renderables.append(renderable)
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        render_str = console.render_str
+        renderables = [
+            render_str(renderable) if isinstance(renderable, str) else renderable
+            for renderable in self.renderables
+        ]
+        if not renderables:
+            return
+        _top, right, _bottom, left = Padding.unpack(self.padding)
+        width_padding = max(left, right)
+        max_width = options.max_width
+        widths: Dict[int, int] = defaultdict(int)
+        column_count = len(renderables)
+
+        get_measurement = Measurement.get
+        renderable_widths = [
+            get_measurement(console, options, renderable).maximum
+            for renderable in renderables
+        ]
+        if self.equal:
+            renderable_widths = [max(renderable_widths)] * len(renderable_widths)
+
+        def iter_renderables(
+            column_count: int,
+        ) -> Iterable[Tuple[int, Optional[RenderableType]]]:
+            item_count = len(renderables)
+            if self.column_first:
+                width_renderables = list(zip(renderable_widths, renderables))
+
+                column_lengths: List[int] = [item_count // column_count] * column_count
+                for col_no in range(item_count % column_count):
+                    column_lengths[col_no] += 1
+
+                row_count = (item_count + column_count - 1) // column_count
+                cells = [[-1] * column_count for _ in range(row_count)]
+                row = col = 0
+                for index in range(item_count):
+                    cells[row][col] = index
+                    column_lengths[col] -= 1
+                    if column_lengths[col]:
+                        row += 1
+                    else:
+                        col += 1
+                        row = 0
+                for index in chain.from_iterable(cells):
+                    if index == -1:
+                        break
+                    yield width_renderables[index]
+            else:
+                yield from zip(renderable_widths, renderables)
+            # Pad odd elements with spaces
+            if item_count % column_count:
+                for _ in range(column_count - (item_count % column_count)):
+                    yield 0, None
+
+        table = Table.grid(padding=self.padding, collapse_padding=True, pad_edge=False)
+        table.expand = self.expand
+        table.title = self.title
+
+        if self.width is not None:
+            column_count = (max_width) // (self.width + width_padding)
+            for _ in range(column_count):
+                table.add_column(width=self.width)
+        else:
+            while column_count > 1:
+                widths.clear()
+                column_no = 0
+                for renderable_width, _ in iter_renderables(column_count):
+                    widths[column_no] = max(widths[column_no], renderable_width)
+                    total_width = sum(widths.values()) + width_padding * (
+                        len(widths) - 1
+                    )
+                    if total_width > max_width:
+                        column_count = len(widths) - 1
+                        break
+                    else:
+                        column_no = (column_no + 1) % column_count
+                else:
+                    break
+
+        get_renderable = itemgetter(1)
+        _renderables = [
+            get_renderable(_renderable)
+            for _renderable in iter_renderables(column_count)
+        ]
+        if self.equal:
+            _renderables = [
+                None
+                if renderable is None
+                else Constrain(renderable, renderable_widths[0])
+                for renderable in _renderables
+            ]
+        if self.align:
+            align = self.align
+            _Align = Align
+            _renderables = [
+                None if renderable is None else _Align(renderable, align)
+                for renderable in _renderables
+            ]
+
+        right_to_left = self.right_to_left
+        add_row = table.add_row
+        for start in range(0, len(_renderables), column_count):
+            row = _renderables[start : start + column_count]
+            if right_to_left:
+                row = row[::-1]
+            add_row(*row)
+        yield table
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import os
+
+    console = Console()
+
+    files = [f"{i} {s}" for i, s in enumerate(sorted(os.listdir()))]
+    columns = Columns(files, padding=(0, 1), expand=False, equal=False)
+    console.print(columns)
+    console.rule()
+    columns.column_first = True
+    console.print(columns)
+    columns.right_to_left = True
+    console.rule()
+    console.print(columns)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/console.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/console.py
new file mode 100644
index 0000000000000000000000000000000000000000..27e722760ffa94f03f21fa1b0a715dc2ca5ccbe3
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/console.py
@@ -0,0 +1,2211 @@
+import inspect
+import os
+import platform
+import sys
+import threading
+from abc import ABC, abstractmethod
+from dataclasses import dataclass, field
+from datetime import datetime
+from functools import wraps
+from getpass import getpass
+from html import escape
+from inspect import isclass
+from itertools import islice
+from threading import RLock
+from time import monotonic
+from types import FrameType, ModuleType, TracebackType
+from typing import (
+    IO,
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    Mapping,
+    NamedTuple,
+    Optional,
+    TextIO,
+    Tuple,
+    Type,
+    Union,
+    cast,
+)
+
+if sys.version_info >= (3, 8):
+    from typing import Literal, Protocol, runtime_checkable
+else:
+    from pip._vendor.typing_extensions import (
+        Literal,
+        Protocol,
+        runtime_checkable,
+    )  # pragma: no cover
+
+from . import errors, themes
+from ._emoji_replace import _emoji_replace
+from ._log_render import FormatTimeCallable, LogRender
+from .align import Align, AlignMethod
+from .color import ColorSystem
+from .control import Control
+from .emoji import EmojiVariant
+from .highlighter import NullHighlighter, ReprHighlighter
+from .markup import render as render_markup
+from .measure import Measurement, measure_renderables
+from .pager import Pager, SystemPager
+from .pretty import Pretty, is_expandable
+from .protocol import rich_cast
+from .region import Region
+from .scope import render_scope
+from .screen import Screen
+from .segment import Segment
+from .style import Style, StyleType
+from .styled import Styled
+from .terminal_theme import DEFAULT_TERMINAL_THEME, TerminalTheme
+from .text import Text, TextType
+from .theme import Theme, ThemeStack
+
+if TYPE_CHECKING:
+    from ._windows import WindowsConsoleFeatures
+    from .live import Live
+    from .status import Status
+
+WINDOWS = platform.system() == "Windows"
+
+HighlighterType = Callable[[Union[str, "Text"]], "Text"]
+JustifyMethod = Literal["default", "left", "center", "right", "full"]
+OverflowMethod = Literal["fold", "crop", "ellipsis", "ignore"]
+
+
+class NoChange:
+    pass
+
+
+NO_CHANGE = NoChange()
+
+
+CONSOLE_HTML_FORMAT = """\
+<!DOCTYPE html>
+<head>
+<meta charset="UTF-8">
+<style>
+{stylesheet}
+body {{
+    color: {foreground};
+    background-color: {background};
+}}
+</style>
+</head>
+<html>
+<body>
+    <code>
+        <pre style="font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace">{code}</pre>
+    </code>
+</body>
+</html>
+"""
+
+_TERM_COLORS = {"256color": ColorSystem.EIGHT_BIT, "16color": ColorSystem.STANDARD}
+
+
+class ConsoleDimensions(NamedTuple):
+    """Size of the terminal."""
+
+    width: int
+    """The width of the console in 'cells'."""
+    height: int
+    """The height of the console in lines."""
+
+
+@dataclass
+class ConsoleOptions:
+    """Options for __rich_console__ method."""
+
+    size: ConsoleDimensions
+    """Size of console."""
+    legacy_windows: bool
+    """legacy_windows: flag for legacy windows."""
+    min_width: int
+    """Minimum width of renderable."""
+    max_width: int
+    """Maximum width of renderable."""
+    is_terminal: bool
+    """True if the target is a terminal, otherwise False."""
+    encoding: str
+    """Encoding of terminal."""
+    max_height: int
+    """Height of container (starts as terminal)"""
+    justify: Optional[JustifyMethod] = None
+    """Justify value override for renderable."""
+    overflow: Optional[OverflowMethod] = None
+    """Overflow value override for renderable."""
+    no_wrap: Optional[bool] = False
+    """Disable wrapping for text."""
+    highlight: Optional[bool] = None
+    """Highlight override for render_str."""
+    markup: Optional[bool] = None
+    """Enable markup when rendering strings."""
+    height: Optional[int] = None
+
+    @property
+    def ascii_only(self) -> bool:
+        """Check if renderables should use ascii only."""
+        return not self.encoding.startswith("utf")
+
+    def copy(self) -> "ConsoleOptions":
+        """Return a copy of the options.
+
+        Returns:
+            ConsoleOptions: a copy of self.
+        """
+        options: ConsoleOptions = ConsoleOptions.__new__(ConsoleOptions)
+        options.__dict__ = self.__dict__.copy()
+        return options
+
+    def update(
+        self,
+        *,
+        width: Union[int, NoChange] = NO_CHANGE,
+        min_width: Union[int, NoChange] = NO_CHANGE,
+        max_width: Union[int, NoChange] = NO_CHANGE,
+        justify: Union[Optional[JustifyMethod], NoChange] = NO_CHANGE,
+        overflow: Union[Optional[OverflowMethod], NoChange] = NO_CHANGE,
+        no_wrap: Union[Optional[bool], NoChange] = NO_CHANGE,
+        highlight: Union[Optional[bool], NoChange] = NO_CHANGE,
+        markup: Union[Optional[bool], NoChange] = NO_CHANGE,
+        height: Union[Optional[int], NoChange] = NO_CHANGE,
+    ) -> "ConsoleOptions":
+        """Update values, return a copy."""
+        options = self.copy()
+        if not isinstance(width, NoChange):
+            options.min_width = options.max_width = max(0, width)
+        if not isinstance(min_width, NoChange):
+            options.min_width = min_width
+        if not isinstance(max_width, NoChange):
+            options.max_width = max_width
+        if not isinstance(justify, NoChange):
+            options.justify = justify
+        if not isinstance(overflow, NoChange):
+            options.overflow = overflow
+        if not isinstance(no_wrap, NoChange):
+            options.no_wrap = no_wrap
+        if not isinstance(highlight, NoChange):
+            options.highlight = highlight
+        if not isinstance(markup, NoChange):
+            options.markup = markup
+        if not isinstance(height, NoChange):
+            if height is not None:
+                options.max_height = height
+            options.height = None if height is None else max(0, height)
+        return options
+
+    def update_width(self, width: int) -> "ConsoleOptions":
+        """Update just the width, return a copy.
+
+        Args:
+            width (int): New width (sets both min_width and max_width)
+
+        Returns:
+            ~ConsoleOptions: New console options instance.
+        """
+        options = self.copy()
+        options.min_width = options.max_width = max(0, width)
+        return options
+
+    def update_height(self, height: int) -> "ConsoleOptions":
+        """Update the height, and return a copy.
+
+        Args:
+            height (int): New height
+
+        Returns:
+            ~ConsoleOptions: New Console options instance.
+        """
+        options = self.copy()
+        options.max_height = options.height = height
+        return options
+
+    def update_dimensions(self, width: int, height: int) -> "ConsoleOptions":
+        """Update the width and height, and return a copy.
+
+        Args:
+            width (int): New width (sets both min_width and max_width).
+            height (int): New height.
+
+        Returns:
+            ~ConsoleOptions: New console options instance.
+        """
+        options = self.copy()
+        options.min_width = options.max_width = max(0, width)
+        options.height = options.max_height = height
+        return options
+
+
+@runtime_checkable
+class RichCast(Protocol):
+    """An object that may be 'cast' to a console renderable."""
+
+    def __rich__(self) -> Union["ConsoleRenderable", str]:  # pragma: no cover
+        ...
+
+
+@runtime_checkable
+class ConsoleRenderable(Protocol):
+    """An object that supports the console protocol."""
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":  # pragma: no cover
+        ...
+
+
+# A type that may be rendered by Console.
+RenderableType = Union[ConsoleRenderable, RichCast, str]
+
+
+# The result of calling a __rich_console__ method.
+RenderResult = Iterable[Union[RenderableType, Segment]]
+
+
+_null_highlighter = NullHighlighter()
+
+
+class CaptureError(Exception):
+    """An error in the Capture context manager."""
+
+
+class NewLine:
+    """A renderable to generate new line(s)"""
+
+    def __init__(self, count: int = 1) -> None:
+        self.count = count
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Iterable[Segment]:
+        yield Segment("\n" * self.count)
+
+
+class ScreenUpdate:
+    """Render a list of lines at a given offset."""
+
+    def __init__(self, lines: List[List[Segment]], x: int, y: int) -> None:
+        self._lines = lines
+        self.x = x
+        self.y = y
+
+    def __rich_console__(
+        self, console: "Console", options: ConsoleOptions
+    ) -> RenderResult:
+        x = self.x
+        move_to = Control.move_to
+        for offset, line in enumerate(self._lines, self.y):
+            yield move_to(x, offset)
+            yield from line
+
+
+class Capture:
+    """Context manager to capture the result of printing to the console.
+    See :meth:`~rich.console.Console.capture` for how to use.
+
+    Args:
+        console (Console): A console instance to capture output.
+    """
+
+    def __init__(self, console: "Console") -> None:
+        self._console = console
+        self._result: Optional[str] = None
+
+    def __enter__(self) -> "Capture":
+        self._console.begin_capture()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self._result = self._console.end_capture()
+
+    def get(self) -> str:
+        """Get the result of the capture."""
+        if self._result is None:
+            raise CaptureError(
+                "Capture result is not available until context manager exits."
+            )
+        return self._result
+
+
+class ThemeContext:
+    """A context manager to use a temporary theme. See :meth:`~rich.console.Console.use_theme` for usage."""
+
+    def __init__(self, console: "Console", theme: Theme, inherit: bool = True) -> None:
+        self.console = console
+        self.theme = theme
+        self.inherit = inherit
+
+    def __enter__(self) -> "ThemeContext":
+        self.console.push_theme(self.theme)
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.console.pop_theme()
+
+
+class PagerContext:
+    """A context manager that 'pages' content. See :meth:`~rich.console.Console.pager` for usage."""
+
+    def __init__(
+        self,
+        console: "Console",
+        pager: Optional[Pager] = None,
+        styles: bool = False,
+        links: bool = False,
+    ) -> None:
+        self._console = console
+        self.pager = SystemPager() if pager is None else pager
+        self.styles = styles
+        self.links = links
+
+    def __enter__(self) -> "PagerContext":
+        self._console._enter_buffer()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        if exc_type is None:
+            with self._console._lock:
+                buffer: List[Segment] = self._console._buffer[:]
+                del self._console._buffer[:]
+                segments: Iterable[Segment] = buffer
+                if not self.styles:
+                    segments = Segment.strip_styles(segments)
+                elif not self.links:
+                    segments = Segment.strip_links(segments)
+                content = self._console._render_buffer(segments)
+            self.pager.show(content)
+        self._console._exit_buffer()
+
+
+class ScreenContext:
+    """A context manager that enables an alternative screen. See :meth:`~rich.console.Console.screen` for usage."""
+
+    def __init__(
+        self, console: "Console", hide_cursor: bool, style: StyleType = ""
+    ) -> None:
+        self.console = console
+        self.hide_cursor = hide_cursor
+        self.screen = Screen(style=style)
+        self._changed = False
+
+    def update(
+        self, *renderables: RenderableType, style: Optional[StyleType] = None
+    ) -> None:
+        """Update the screen.
+
+        Args:
+            renderable (RenderableType, optional): Optional renderable to replace current renderable,
+                or None for no change. Defaults to None.
+            style: (Style, optional): Replacement style, or None for no change. Defaults to None.
+        """
+        if renderables:
+            self.screen.renderable = (
+                Group(*renderables) if len(renderables) > 1 else renderables[0]
+            )
+        if style is not None:
+            self.screen.style = style
+        self.console.print(self.screen, end="")
+
+    def __enter__(self) -> "ScreenContext":
+        self._changed = self.console.set_alt_screen(True)
+        if self._changed and self.hide_cursor:
+            self.console.show_cursor(False)
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        if self._changed:
+            self.console.set_alt_screen(False)
+            if self.hide_cursor:
+                self.console.show_cursor(True)
+
+
+class Group:
+    """Takes a group of renderables and returns a renderable object that renders the group.
+
+    Args:
+        renderables (Iterable[RenderableType]): An iterable of renderable objects.
+        fit (bool, optional): Fit dimension of group to contents, or fill available space. Defaults to True.
+    """
+
+    def __init__(self, *renderables: "RenderableType", fit: bool = True) -> None:
+        self._renderables = renderables
+        self.fit = fit
+        self._render: Optional[List[RenderableType]] = None
+
+    @property
+    def renderables(self) -> List["RenderableType"]:
+        if self._render is None:
+            self._render = list(self._renderables)
+        return self._render
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        if self.fit:
+            return measure_renderables(console, options, self.renderables)
+        else:
+            return Measurement(options.max_width, options.max_width)
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> RenderResult:
+        yield from self.renderables
+
+
+def group(fit: bool = True) -> Callable[..., Callable[..., Group]]:
+    """A decorator that turns an iterable of renderables in to a group.
+
+    Args:
+        fit (bool, optional): Fit dimension of group to contents, or fill available space. Defaults to True.
+    """
+
+    def decorator(
+        method: Callable[..., Iterable[RenderableType]]
+    ) -> Callable[..., Group]:
+        """Convert a method that returns an iterable of renderables in to a Group."""
+
+        @wraps(method)
+        def _replace(*args: Any, **kwargs: Any) -> Group:
+            renderables = method(*args, **kwargs)
+            return Group(*renderables, fit=fit)
+
+        return _replace
+
+    return decorator
+
+
+def _is_jupyter() -> bool:  # pragma: no cover
+    """Check if we're running in a Jupyter notebook."""
+    try:
+        get_ipython  # type: ignore
+    except NameError:
+        return False
+    ipython = get_ipython()  # type: ignore
+    shell = ipython.__class__.__name__
+    if "google.colab" in str(ipython.__class__) or shell == "ZMQInteractiveShell":
+        return True  # Jupyter notebook or qtconsole
+    elif shell == "TerminalInteractiveShell":
+        return False  # Terminal running IPython
+    else:
+        return False  # Other type (?)
+
+
+COLOR_SYSTEMS = {
+    "standard": ColorSystem.STANDARD,
+    "256": ColorSystem.EIGHT_BIT,
+    "truecolor": ColorSystem.TRUECOLOR,
+    "windows": ColorSystem.WINDOWS,
+}
+
+
+_COLOR_SYSTEMS_NAMES = {system: name for name, system in COLOR_SYSTEMS.items()}
+
+
+@dataclass
+class ConsoleThreadLocals(threading.local):
+    """Thread local values for Console context."""
+
+    theme_stack: ThemeStack
+    buffer: List[Segment] = field(default_factory=list)
+    buffer_index: int = 0
+
+
+class RenderHook(ABC):
+    """Provides hooks in to the render process."""
+
+    @abstractmethod
+    def process_renderables(
+        self, renderables: List[ConsoleRenderable]
+    ) -> List[ConsoleRenderable]:
+        """Called with a list of objects to render.
+
+        This method can return a new list of renderables, or modify and return the same list.
+
+        Args:
+            renderables (List[ConsoleRenderable]): A number of renderable objects.
+
+        Returns:
+            List[ConsoleRenderable]: A replacement list of renderables.
+        """
+
+
+_windows_console_features: Optional["WindowsConsoleFeatures"] = None
+
+
+def get_windows_console_features() -> "WindowsConsoleFeatures":  # pragma: no cover
+    global _windows_console_features
+    if _windows_console_features is not None:
+        return _windows_console_features
+    from ._windows import get_windows_console_features
+
+    _windows_console_features = get_windows_console_features()
+    return _windows_console_features
+
+
+def detect_legacy_windows() -> bool:
+    """Detect legacy Windows."""
+    return WINDOWS and not get_windows_console_features().vt
+
+
+if detect_legacy_windows():  # pragma: no cover
+    from pip._vendor.colorama import init
+
+    init(strip=False)
+
+
+class Console:
+    """A high level console interface.
+
+    Args:
+        color_system (str, optional): The color system supported by your terminal,
+            either ``"standard"``, ``"256"`` or ``"truecolor"``. Leave as ``"auto"`` to autodetect.
+        force_terminal (Optional[bool], optional): Enable/disable terminal control codes, or None to auto-detect terminal. Defaults to None.
+        force_jupyter (Optional[bool], optional): Enable/disable Jupyter rendering, or None to auto-detect Jupyter. Defaults to None.
+        force_interactive (Optional[bool], optional): Enable/disable interactive mode, or None to auto detect. Defaults to None.
+        soft_wrap (Optional[bool], optional): Set soft wrap default on print method. Defaults to False.
+        theme (Theme, optional): An optional style theme object, or ``None`` for default theme.
+        stderr (bool, optional): Use stderr rather than stdout if ``file`` is not specified. Defaults to False.
+        file (IO, optional): A file object where the console should write to. Defaults to stdout.
+        quiet (bool, Optional): Boolean to suppress all output. Defaults to False.
+        width (int, optional): The width of the terminal. Leave as default to auto-detect width.
+        height (int, optional): The height of the terminal. Leave as default to auto-detect height.
+        style (StyleType, optional): Style to apply to all output, or None for no style. Defaults to None.
+        no_color (Optional[bool], optional): Enabled no color mode, or None to auto detect. Defaults to None.
+        tab_size (int, optional): Number of spaces used to replace a tab character. Defaults to 8.
+        record (bool, optional): Boolean to enable recording of terminal output,
+            required to call :meth:`export_html` and :meth:`export_text`. Defaults to False.
+        markup (bool, optional): Boolean to enable :ref:`console_markup`. Defaults to True.
+        emoji (bool, optional): Enable emoji code. Defaults to True.
+        emoji_variant (str, optional): Optional emoji variant, either "text" or "emoji". Defaults to None.
+        highlight (bool, optional): Enable automatic highlighting. Defaults to True.
+        log_time (bool, optional): Boolean to enable logging of time by :meth:`log` methods. Defaults to True.
+        log_path (bool, optional): Boolean to enable the logging of the caller by :meth:`log`. Defaults to True.
+        log_time_format (Union[str, TimeFormatterCallable], optional): If ``log_time`` is enabled, either string for strftime or callable that formats the time. Defaults to "[%X] ".
+        highlighter (HighlighterType, optional): Default highlighter.
+        legacy_windows (bool, optional): Enable legacy Windows mode, or ``None`` to auto detect. Defaults to ``None``.
+        safe_box (bool, optional): Restrict box options that don't render on legacy Windows.
+        get_datetime (Callable[[], datetime], optional): Callable that gets the current time as a datetime.datetime object (used by Console.log),
+            or None for datetime.now.
+        get_time (Callable[[], time], optional): Callable that gets the current time in seconds, default uses time.monotonic.
+    """
+
+    _environ: Mapping[str, str] = os.environ
+
+    def __init__(
+        self,
+        *,
+        color_system: Optional[
+            Literal["auto", "standard", "256", "truecolor", "windows"]
+        ] = "auto",
+        force_terminal: Optional[bool] = None,
+        force_jupyter: Optional[bool] = None,
+        force_interactive: Optional[bool] = None,
+        soft_wrap: bool = False,
+        theme: Optional[Theme] = None,
+        stderr: bool = False,
+        file: Optional[IO[str]] = None,
+        quiet: bool = False,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+        style: Optional[StyleType] = None,
+        no_color: Optional[bool] = None,
+        tab_size: int = 8,
+        record: bool = False,
+        markup: bool = True,
+        emoji: bool = True,
+        emoji_variant: Optional[EmojiVariant] = None,
+        highlight: bool = True,
+        log_time: bool = True,
+        log_path: bool = True,
+        log_time_format: Union[str, FormatTimeCallable] = "[%X]",
+        highlighter: Optional["HighlighterType"] = ReprHighlighter(),
+        legacy_windows: Optional[bool] = None,
+        safe_box: bool = True,
+        get_datetime: Optional[Callable[[], datetime]] = None,
+        get_time: Optional[Callable[[], float]] = None,
+        _environ: Optional[Mapping[str, str]] = None,
+    ):
+        # Copy of os.environ allows us to replace it for testing
+        if _environ is not None:
+            self._environ = _environ
+
+        self.is_jupyter = _is_jupyter() if force_jupyter is None else force_jupyter
+        if self.is_jupyter:
+            width = width or 93
+            height = height or 100
+
+        self.soft_wrap = soft_wrap
+        self._width = width
+        self._height = height
+        self.tab_size = tab_size
+        self.record = record
+        self._markup = markup
+        self._emoji = emoji
+        self._emoji_variant: Optional[EmojiVariant] = emoji_variant
+        self._highlight = highlight
+        self.legacy_windows: bool = (
+            (detect_legacy_windows() and not self.is_jupyter)
+            if legacy_windows is None
+            else legacy_windows
+        )
+        if width is None:
+            columns = self._environ.get("COLUMNS")
+            if columns is not None and columns.isdigit():
+                width = int(columns) - self.legacy_windows
+        if height is None:
+            lines = self._environ.get("LINES")
+            if lines is not None and lines.isdigit():
+                height = int(lines)
+
+        self.soft_wrap = soft_wrap
+        self._width = width
+        self._height = height
+
+        self._color_system: Optional[ColorSystem]
+        self._force_terminal = force_terminal
+        self._file = file
+        self.quiet = quiet
+        self.stderr = stderr
+
+        if color_system is None:
+            self._color_system = None
+        elif color_system == "auto":
+            self._color_system = self._detect_color_system()
+        else:
+            self._color_system = COLOR_SYSTEMS[color_system]
+
+        self._lock = threading.RLock()
+        self._log_render = LogRender(
+            show_time=log_time,
+            show_path=log_path,
+            time_format=log_time_format,
+        )
+        self.highlighter: HighlighterType = highlighter or _null_highlighter
+        self.safe_box = safe_box
+        self.get_datetime = get_datetime or datetime.now
+        self.get_time = get_time or monotonic
+        self.style = style
+        self.no_color = (
+            no_color if no_color is not None else "NO_COLOR" in self._environ
+        )
+        self.is_interactive = (
+            (self.is_terminal and not self.is_dumb_terminal)
+            if force_interactive is None
+            else force_interactive
+        )
+
+        self._record_buffer_lock = threading.RLock()
+        self._thread_locals = ConsoleThreadLocals(
+            theme_stack=ThemeStack(themes.DEFAULT if theme is None else theme)
+        )
+        self._record_buffer: List[Segment] = []
+        self._render_hooks: List[RenderHook] = []
+        self._live: Optional["Live"] = None
+        self._is_alt_screen = False
+
+    def __repr__(self) -> str:
+        return f"<console width={self.width} {str(self._color_system)}>"
+
+    @property
+    def file(self) -> IO[str]:
+        """Get the file object to write to."""
+        file = self._file or (sys.stderr if self.stderr else sys.stdout)
+        file = getattr(file, "rich_proxied_file", file)
+        return file
+
+    @file.setter
+    def file(self, new_file: IO[str]) -> None:
+        """Set a new file object."""
+        self._file = new_file
+
+    @property
+    def _buffer(self) -> List[Segment]:
+        """Get a thread local buffer."""
+        return self._thread_locals.buffer
+
+    @property
+    def _buffer_index(self) -> int:
+        """Get a thread local buffer."""
+        return self._thread_locals.buffer_index
+
+    @_buffer_index.setter
+    def _buffer_index(self, value: int) -> None:
+        self._thread_locals.buffer_index = value
+
+    @property
+    def _theme_stack(self) -> ThemeStack:
+        """Get the thread local theme stack."""
+        return self._thread_locals.theme_stack
+
+    def _detect_color_system(self) -> Optional[ColorSystem]:
+        """Detect color system from env vars."""
+        if self.is_jupyter:
+            return ColorSystem.TRUECOLOR
+        if not self.is_terminal or self.is_dumb_terminal:
+            return None
+        if WINDOWS:  # pragma: no cover
+            if self.legacy_windows:  # pragma: no cover
+                return ColorSystem.WINDOWS
+            windows_console_features = get_windows_console_features()
+            return (
+                ColorSystem.TRUECOLOR
+                if windows_console_features.truecolor
+                else ColorSystem.EIGHT_BIT
+            )
+        else:
+            color_term = self._environ.get("COLORTERM", "").strip().lower()
+            if color_term in ("truecolor", "24bit"):
+                return ColorSystem.TRUECOLOR
+            term = self._environ.get("TERM", "").strip().lower()
+            _term_name, _hyphen, colors = term.rpartition("-")
+            color_system = _TERM_COLORS.get(colors, ColorSystem.STANDARD)
+            return color_system
+
+    def _enter_buffer(self) -> None:
+        """Enter in to a buffer context, and buffer all output."""
+        self._buffer_index += 1
+
+    def _exit_buffer(self) -> None:
+        """Leave buffer context, and render content if required."""
+        self._buffer_index -= 1
+        self._check_buffer()
+
+    def set_live(self, live: "Live") -> None:
+        """Set Live instance. Used by Live context manager.
+
+        Args:
+            live (Live): Live instance using this Console.
+
+        Raises:
+            errors.LiveError: If this Console has a Live context currently active.
+        """
+        with self._lock:
+            if self._live is not None:
+                raise errors.LiveError("Only one live display may be active at once")
+            self._live = live
+
+    def clear_live(self) -> None:
+        """Clear the Live instance."""
+        with self._lock:
+            self._live = None
+
+    def push_render_hook(self, hook: RenderHook) -> None:
+        """Add a new render hook to the stack.
+
+        Args:
+            hook (RenderHook): Render hook instance.
+        """
+        with self._lock:
+            self._render_hooks.append(hook)
+
+    def pop_render_hook(self) -> None:
+        """Pop the last renderhook from the stack."""
+        with self._lock:
+            self._render_hooks.pop()
+
+    def __enter__(self) -> "Console":
+        """Own context manager to enter buffer context."""
+        self._enter_buffer()
+        return self
+
+    def __exit__(self, exc_type: Any, exc_value: Any, traceback: Any) -> None:
+        """Exit buffer context."""
+        self._exit_buffer()
+
+    def begin_capture(self) -> None:
+        """Begin capturing console output. Call :meth:`end_capture` to exit capture mode and return output."""
+        self._enter_buffer()
+
+    def end_capture(self) -> str:
+        """End capture mode and return captured string.
+
+        Returns:
+            str: Console output.
+        """
+        render_result = self._render_buffer(self._buffer)
+        del self._buffer[:]
+        self._exit_buffer()
+        return render_result
+
+    def push_theme(self, theme: Theme, *, inherit: bool = True) -> None:
+        """Push a new theme on to the top of the stack, replacing the styles from the previous theme.
+        Generally speaking, you should call :meth:`~rich.console.Console.use_theme` to get a context manager, rather
+        than calling this method directly.
+
+        Args:
+            theme (Theme): A theme instance.
+            inherit (bool, optional): Inherit existing styles. Defaults to True.
+        """
+        self._theme_stack.push_theme(theme, inherit=inherit)
+
+    def pop_theme(self) -> None:
+        """Remove theme from top of stack, restoring previous theme."""
+        self._theme_stack.pop_theme()
+
+    def use_theme(self, theme: Theme, *, inherit: bool = True) -> ThemeContext:
+        """Use a different theme for the duration of the context manager.
+
+        Args:
+            theme (Theme): Theme instance to user.
+            inherit (bool, optional): Inherit existing console styles. Defaults to True.
+
+        Returns:
+            ThemeContext: [description]
+        """
+        return ThemeContext(self, theme, inherit)
+
+    @property
+    def color_system(self) -> Optional[str]:
+        """Get color system string.
+
+        Returns:
+            Optional[str]: "standard", "256" or "truecolor".
+        """
+
+        if self._color_system is not None:
+            return _COLOR_SYSTEMS_NAMES[self._color_system]
+        else:
+            return None
+
+    @property
+    def encoding(self) -> str:
+        """Get the encoding of the console file, e.g. ``"utf-8"``.
+
+        Returns:
+            str: A standard encoding string.
+        """
+        return (getattr(self.file, "encoding", "utf-8") or "utf-8").lower()
+
+    @property
+    def is_terminal(self) -> bool:
+        """Check if the console is writing to a terminal.
+
+        Returns:
+            bool: True if the console writing to a device capable of
+            understanding terminal codes, otherwise False.
+        """
+        if self._force_terminal is not None:
+            return self._force_terminal
+        isatty: Optional[Callable[[], bool]] = getattr(self.file, "isatty", None)
+        try:
+            return False if isatty is None else isatty()
+        except ValueError:
+            # in some situation (at the end of a pytest run for example) isatty() can raise
+            # ValueError: I/O operation on closed file
+            # return False because we aren't in a terminal anymore
+            return False
+
+    @property
+    def is_dumb_terminal(self) -> bool:
+        """Detect dumb terminal.
+
+        Returns:
+            bool: True if writing to a dumb terminal, otherwise False.
+
+        """
+        _term = self._environ.get("TERM", "")
+        is_dumb = _term.lower() in ("dumb", "unknown")
+        return self.is_terminal and is_dumb
+
+    @property
+    def options(self) -> ConsoleOptions:
+        """Get default console options."""
+        return ConsoleOptions(
+            max_height=self.size.height,
+            size=self.size,
+            legacy_windows=self.legacy_windows,
+            min_width=1,
+            max_width=self.width,
+            encoding=self.encoding,
+            is_terminal=self.is_terminal,
+        )
+
+    @property
+    def size(self) -> ConsoleDimensions:
+        """Get the size of the console.
+
+        Returns:
+            ConsoleDimensions: A named tuple containing the dimensions.
+        """
+
+        if self._width is not None and self._height is not None:
+            return ConsoleDimensions(self._width - self.legacy_windows, self._height)
+
+        if self.is_dumb_terminal:
+            return ConsoleDimensions(80, 25)
+
+        width: Optional[int] = None
+        height: Optional[int] = None
+
+        if WINDOWS:  # pragma: no cover
+            try:
+                width, height = os.get_terminal_size()
+            except OSError:  # Probably not a terminal
+                pass
+        else:
+            try:
+                width, height = os.get_terminal_size(sys.__stdin__.fileno())
+            except (AttributeError, ValueError, OSError):
+                try:
+                    width, height = os.get_terminal_size(sys.__stdout__.fileno())
+                except (AttributeError, ValueError, OSError):
+                    pass
+
+        columns = self._environ.get("COLUMNS")
+        if columns is not None and columns.isdigit():
+            width = int(columns)
+        lines = self._environ.get("LINES")
+        if lines is not None and lines.isdigit():
+            height = int(lines)
+
+        # get_terminal_size can report 0, 0 if run from pseudo-terminal
+        width = width or 80
+        height = height or 25
+        return ConsoleDimensions(
+            width - self.legacy_windows if self._width is None else self._width,
+            height if self._height is None else self._height,
+        )
+
+    @size.setter
+    def size(self, new_size: Tuple[int, int]) -> None:
+        """Set a new size for the terminal.
+
+        Args:
+            new_size (Tuple[int, int]): New width and height.
+        """
+        width, height = new_size
+        self._width = width
+        self._height = height
+
+    @property
+    def width(self) -> int:
+        """Get the width of the console.
+
+        Returns:
+            int: The width (in characters) of the console.
+        """
+        return self.size.width
+
+    @width.setter
+    def width(self, width: int) -> None:
+        """Set width.
+
+        Args:
+            width (int): New width.
+        """
+        self._width = width
+
+    @property
+    def height(self) -> int:
+        """Get the height of the console.
+
+        Returns:
+            int: The height (in lines) of the console.
+        """
+        return self.size.height
+
+    @height.setter
+    def height(self, height: int) -> None:
+        """Set height.
+
+        Args:
+            height (int): new height.
+        """
+        self._height = height
+
+    def bell(self) -> None:
+        """Play a 'bell' sound (if supported by the terminal)."""
+        self.control(Control.bell())
+
+    def capture(self) -> Capture:
+        """A context manager to *capture* the result of print() or log() in a string,
+        rather than writing it to the console.
+
+        Example:
+            >>> from rich.console import Console
+            >>> console = Console()
+            >>> with console.capture() as capture:
+            ...     console.print("[bold magenta]Hello World[/]")
+            >>> print(capture.get())
+
+        Returns:
+            Capture: Context manager with disables writing to the terminal.
+        """
+        capture = Capture(self)
+        return capture
+
+    def pager(
+        self, pager: Optional[Pager] = None, styles: bool = False, links: bool = False
+    ) -> PagerContext:
+        """A context manager to display anything printed within a "pager". The pager application
+        is defined by the system and will typically support at least pressing a key to scroll.
+
+        Args:
+            pager (Pager, optional): A pager object, or None to use :class:`~rich.pager.SystemPager`. Defaults to None.
+            styles (bool, optional): Show styles in pager. Defaults to False.
+            links (bool, optional): Show links in pager. Defaults to False.
+
+        Example:
+            >>> from rich.console import Console
+            >>> from rich.__main__ import make_test_card
+            >>> console = Console()
+            >>> with console.pager():
+                    console.print(make_test_card())
+
+        Returns:
+            PagerContext: A context manager.
+        """
+        return PagerContext(self, pager=pager, styles=styles, links=links)
+
+    def line(self, count: int = 1) -> None:
+        """Write new line(s).
+
+        Args:
+            count (int, optional): Number of new lines. Defaults to 1.
+        """
+
+        assert count >= 0, "count must be >= 0"
+        self.print(NewLine(count))
+
+    def clear(self, home: bool = True) -> None:
+        """Clear the screen.
+
+        Args:
+            home (bool, optional): Also move the cursor to 'home' position. Defaults to True.
+        """
+        if home:
+            self.control(Control.clear(), Control.home())
+        else:
+            self.control(Control.clear())
+
+    def status(
+        self,
+        status: RenderableType,
+        *,
+        spinner: str = "dots",
+        spinner_style: str = "status.spinner",
+        speed: float = 1.0,
+        refresh_per_second: float = 12.5,
+    ) -> "Status":
+        """Display a status and spinner.
+
+        Args:
+            status (RenderableType): A status renderable (str or Text typically).
+            spinner (str, optional): Name of spinner animation (see python -m rich.spinner). Defaults to "dots".
+            spinner_style (StyleType, optional): Style of spinner. Defaults to "status.spinner".
+            speed (float, optional): Speed factor for spinner animation. Defaults to 1.0.
+            refresh_per_second (float, optional): Number of refreshes per second. Defaults to 12.5.
+
+        Returns:
+            Status: A Status object that may be used as a context manager.
+        """
+        from .status import Status
+
+        status_renderable = Status(
+            status,
+            console=self,
+            spinner=spinner,
+            spinner_style=spinner_style,
+            speed=speed,
+            refresh_per_second=refresh_per_second,
+        )
+        return status_renderable
+
+    def show_cursor(self, show: bool = True) -> bool:
+        """Show or hide the cursor.
+
+        Args:
+            show (bool, optional): Set visibility of the cursor.
+        """
+        if self.is_terminal and not self.legacy_windows:
+            self.control(Control.show_cursor(show))
+            return True
+        return False
+
+    def set_alt_screen(self, enable: bool = True) -> bool:
+        """Enables alternative screen mode.
+
+        Note, if you enable this mode, you should ensure that is disabled before
+        the application exits. See :meth:`~rich.Console.screen` for a context manager
+        that handles this for you.
+
+        Args:
+            enable (bool, optional): Enable (True) or disable (False) alternate screen. Defaults to True.
+
+        Returns:
+            bool: True if the control codes were written.
+
+        """
+        changed = False
+        if self.is_terminal and not self.legacy_windows:
+            self.control(Control.alt_screen(enable))
+            changed = True
+            self._is_alt_screen = enable
+        return changed
+
+    @property
+    def is_alt_screen(self) -> bool:
+        """Check if the alt screen was enabled.
+
+        Returns:
+            bool: True if the alt screen was enabled, otherwise False.
+        """
+        return self._is_alt_screen
+
+    def screen(
+        self, hide_cursor: bool = True, style: Optional[StyleType] = None
+    ) -> "ScreenContext":
+        """Context manager to enable and disable 'alternative screen' mode.
+
+        Args:
+            hide_cursor (bool, optional): Also hide the cursor. Defaults to False.
+            style (Style, optional): Optional style for screen. Defaults to None.
+
+        Returns:
+            ~ScreenContext: Context which enables alternate screen on enter, and disables it on exit.
+        """
+        return ScreenContext(self, hide_cursor=hide_cursor, style=style or "")
+
+    def measure(
+        self, renderable: RenderableType, *, options: Optional[ConsoleOptions] = None
+    ) -> Measurement:
+        """Measure a renderable. Returns a :class:`~rich.measure.Measurement` object which contains
+        information regarding the number of characters required to print the renderable.
+
+        Args:
+            renderable (RenderableType): Any renderable or string.
+            options (Optional[ConsoleOptions], optional): Options to use when measuring, or None
+                to use default options. Defaults to None.
+
+        Returns:
+            Measurement: A measurement of the renderable.
+        """
+        measurement = Measurement.get(self, options or self.options, renderable)
+        return measurement
+
+    def render(
+        self, renderable: RenderableType, options: Optional[ConsoleOptions] = None
+    ) -> Iterable[Segment]:
+        """Render an object in to an iterable of `Segment` instances.
+
+        This method contains the logic for rendering objects with the console protocol.
+        You are unlikely to need to use it directly, unless you are extending the library.
+
+        Args:
+            renderable (RenderableType): An object supporting the console protocol, or
+                an object that may be converted to a string.
+            options (ConsoleOptions, optional): An options object, or None to use self.options. Defaults to None.
+
+        Returns:
+            Iterable[Segment]: An iterable of segments that may be rendered.
+        """
+
+        _options = options or self.options
+        if _options.max_width < 1:
+            # No space to render anything. This prevents potential recursion errors.
+            return
+        render_iterable: RenderResult
+
+        renderable = rich_cast(renderable)
+        if hasattr(renderable, "__rich_console__") and not isclass(renderable):
+            render_iterable = renderable.__rich_console__(self, _options)  # type: ignore
+        elif isinstance(renderable, str):
+            text_renderable = self.render_str(
+                renderable, highlight=_options.highlight, markup=_options.markup
+            )
+            render_iterable = text_renderable.__rich_console__(self, _options)
+        else:
+            raise errors.NotRenderableError(
+                f"Unable to render {renderable!r}; "
+                "A str, Segment or object with __rich_console__ method is required"
+            )
+
+        try:
+            iter_render = iter(render_iterable)
+        except TypeError:
+            raise errors.NotRenderableError(
+                f"object {render_iterable!r} is not renderable"
+            )
+        _Segment = Segment
+        for render_output in iter_render:
+            if isinstance(render_output, _Segment):
+                yield render_output
+            else:
+                yield from self.render(render_output, _options)
+
+    def render_lines(
+        self,
+        renderable: RenderableType,
+        options: Optional[ConsoleOptions] = None,
+        *,
+        style: Optional[Style] = None,
+        pad: bool = True,
+        new_lines: bool = False,
+    ) -> List[List[Segment]]:
+        """Render objects in to a list of lines.
+
+        The output of render_lines is useful when further formatting of rendered console text
+        is required, such as the Panel class which draws a border around any renderable object.
+
+        Args:
+            renderable (RenderableType): Any object renderable in the console.
+            options (Optional[ConsoleOptions], optional): Console options, or None to use self.options. Default to ``None``.
+            style (Style, optional): Optional style to apply to renderables. Defaults to ``None``.
+            pad (bool, optional): Pad lines shorter than render width. Defaults to ``True``.
+            new_lines (bool, optional): Include "\n" characters at end of lines.
+
+        Returns:
+            List[List[Segment]]: A list of lines, where a line is a list of Segment objects.
+        """
+        with self._lock:
+            render_options = options or self.options
+            _rendered = self.render(renderable, render_options)
+            if style:
+                _rendered = Segment.apply_style(_rendered, style)
+            lines = list(
+                islice(
+                    Segment.split_and_crop_lines(
+                        _rendered,
+                        render_options.max_width,
+                        include_new_lines=new_lines,
+                        pad=pad,
+                    ),
+                    None,
+                    render_options.height,
+                )
+            )
+            if render_options.height is not None:
+                extra_lines = render_options.height - len(lines)
+                if extra_lines > 0:
+                    pad_line = [
+                        [Segment(" " * render_options.max_width, style), Segment("\n")]
+                        if new_lines
+                        else [Segment(" " * render_options.max_width, style)]
+                    ]
+                    lines.extend(pad_line * extra_lines)
+
+            return lines
+
+    def render_str(
+        self,
+        text: str,
+        *,
+        style: Union[str, Style] = "",
+        justify: Optional[JustifyMethod] = None,
+        overflow: Optional[OverflowMethod] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+        highlighter: Optional[HighlighterType] = None,
+    ) -> "Text":
+        """Convert a string to a Text instance. This is is called automatically if
+        you print or log a string.
+
+        Args:
+            text (str): Text to render.
+            style (Union[str, Style], optional): Style to apply to rendered text.
+            justify (str, optional): Justify method: "default", "left", "center", "full", or "right". Defaults to ``None``.
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to ``None``.
+            emoji (Optional[bool], optional): Enable emoji, or ``None`` to use Console default.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use Console default.
+            highlight (Optional[bool], optional): Enable highlighting, or ``None`` to use Console default.
+            highlighter (HighlighterType, optional): Optional highlighter to apply.
+        Returns:
+            ConsoleRenderable: Renderable object.
+
+        """
+        emoji_enabled = emoji or (emoji is None and self._emoji)
+        markup_enabled = markup or (markup is None and self._markup)
+        highlight_enabled = highlight or (highlight is None and self._highlight)
+
+        if markup_enabled:
+            rich_text = render_markup(
+                text,
+                style=style,
+                emoji=emoji_enabled,
+                emoji_variant=self._emoji_variant,
+            )
+            rich_text.justify = justify
+            rich_text.overflow = overflow
+        else:
+            rich_text = Text(
+                _emoji_replace(text, default_variant=self._emoji_variant)
+                if emoji_enabled
+                else text,
+                justify=justify,
+                overflow=overflow,
+                style=style,
+            )
+
+        _highlighter = (highlighter or self.highlighter) if highlight_enabled else None
+        if _highlighter is not None:
+            highlight_text = _highlighter(str(rich_text))
+            highlight_text.copy_styles(rich_text)
+            return highlight_text
+
+        return rich_text
+
+    def get_style(
+        self, name: Union[str, Style], *, default: Optional[Union[Style, str]] = None
+    ) -> Style:
+        """Get a Style instance by it's theme name or parse a definition.
+
+        Args:
+            name (str): The name of a style or a style definition.
+
+        Returns:
+            Style: A Style object.
+
+        Raises:
+            MissingStyle: If no style could be parsed from name.
+
+        """
+        if isinstance(name, Style):
+            return name
+
+        try:
+            style = self._theme_stack.get(name)
+            if style is None:
+                style = Style.parse(name)
+            return style.copy() if style.link else style
+        except errors.StyleSyntaxError as error:
+            if default is not None:
+                return self.get_style(default)
+            raise errors.MissingStyle(
+                f"Failed to get style {name!r}; {error}"
+            ) from None
+
+    def _collect_renderables(
+        self,
+        objects: Iterable[Any],
+        sep: str,
+        end: str,
+        *,
+        justify: Optional[JustifyMethod] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+    ) -> List[ConsoleRenderable]:
+        """Combine a number of renderables and text into one renderable.
+
+        Args:
+            objects (Iterable[Any]): Anything that Rich can render.
+            sep (str): String to write between print data.
+            end (str): String to write at end of print data.
+            justify (str, optional): One of "left", "right", "center", or "full". Defaults to ``None``.
+            emoji (Optional[bool], optional): Enable emoji code, or ``None`` to use console default.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use console default.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use console default.
+
+        Returns:
+            List[ConsoleRenderable]: A list of things to render.
+        """
+        renderables: List[ConsoleRenderable] = []
+        _append = renderables.append
+        text: List[Text] = []
+        append_text = text.append
+
+        append = _append
+        if justify in ("left", "center", "right"):
+
+            def align_append(renderable: RenderableType) -> None:
+                _append(Align(renderable, cast(AlignMethod, justify)))
+
+            append = align_append
+
+        _highlighter: HighlighterType = _null_highlighter
+        if highlight or (highlight is None and self._highlight):
+            _highlighter = self.highlighter
+
+        def check_text() -> None:
+            if text:
+                sep_text = Text(sep, justify=justify, end=end)
+                append(sep_text.join(text))
+                del text[:]
+
+        for renderable in objects:
+            renderable = rich_cast(renderable)
+            if isinstance(renderable, str):
+                append_text(
+                    self.render_str(
+                        renderable, emoji=emoji, markup=markup, highlighter=_highlighter
+                    )
+                )
+            elif isinstance(renderable, Text):
+                append_text(renderable)
+            elif isinstance(renderable, ConsoleRenderable):
+                check_text()
+                append(renderable)
+            elif is_expandable(renderable):
+                check_text()
+                append(Pretty(renderable, highlighter=_highlighter))
+            else:
+                append_text(_highlighter(str(renderable)))
+
+        check_text()
+
+        if self.style is not None:
+            style = self.get_style(self.style)
+            renderables = [Styled(renderable, style) for renderable in renderables]
+
+        return renderables
+
+    def rule(
+        self,
+        title: TextType = "",
+        *,
+        characters: str = "─",
+        style: Union[str, Style] = "rule.line",
+        align: AlignMethod = "center",
+    ) -> None:
+        """Draw a line with optional centered title.
+
+        Args:
+            title (str, optional): Text to render over the rule. Defaults to "".
+            characters (str, optional): Character(s) to form the line. Defaults to "─".
+            style (str, optional): Style of line. Defaults to "rule.line".
+            align (str, optional): How to align the title, one of "left", "center", or "right". Defaults to "center".
+        """
+        from .rule import Rule
+
+        rule = Rule(title=title, characters=characters, style=style, align=align)
+        self.print(rule)
+
+    def control(self, *control: Control) -> None:
+        """Insert non-printing control codes.
+
+        Args:
+            control_codes (str): Control codes, such as those that may move the cursor.
+        """
+        if not self.is_dumb_terminal:
+            with self:
+                self._buffer.extend(_control.segment for _control in control)
+
+    def out(
+        self,
+        *objects: Any,
+        sep: str = " ",
+        end: str = "\n",
+        style: Optional[Union[str, Style]] = None,
+        highlight: Optional[bool] = None,
+    ) -> None:
+        """Output to the terminal. This is a low-level way of writing to the terminal which unlike
+        :meth:`~rich.console.Console.print` won't pretty print, wrap text, or apply markup, but will
+        optionally apply highlighting and a basic style.
+
+        Args:
+            sep (str, optional): String to write between print data. Defaults to " ".
+            end (str, optional): String to write at end of print data. Defaults to "\\\\n".
+            style (Union[str, Style], optional): A style to apply to output. Defaults to None.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use
+                console default. Defaults to ``None``.
+        """
+        raw_output: str = sep.join(str(_object) for _object in objects)
+        self.print(
+            raw_output,
+            style=style,
+            highlight=highlight,
+            emoji=False,
+            markup=False,
+            no_wrap=True,
+            overflow="ignore",
+            crop=False,
+            end=end,
+        )
+
+    def print(
+        self,
+        *objects: Any,
+        sep: str = " ",
+        end: str = "\n",
+        style: Optional[Union[str, Style]] = None,
+        justify: Optional[JustifyMethod] = None,
+        overflow: Optional[OverflowMethod] = None,
+        no_wrap: Optional[bool] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+        crop: bool = True,
+        soft_wrap: Optional[bool] = None,
+        new_line_start: bool = False,
+    ) -> None:
+        """Print to the console.
+
+        Args:
+            objects (positional args): Objects to log to the terminal.
+            sep (str, optional): String to write between print data. Defaults to " ".
+            end (str, optional): String to write at end of print data. Defaults to "\\\\n".
+            style (Union[str, Style], optional): A style to apply to output. Defaults to None.
+            justify (str, optional): Justify method: "default", "left", "right", "center", or "full". Defaults to ``None``.
+            overflow (str, optional): Overflow method: "ignore", "crop", "fold", or "ellipsis". Defaults to None.
+            no_wrap (Optional[bool], optional): Disable word wrapping. Defaults to None.
+            emoji (Optional[bool], optional): Enable emoji code, or ``None`` to use console default. Defaults to ``None``.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use console default. Defaults to ``None``.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use console default. Defaults to ``None``.
+            width (Optional[int], optional): Width of output, or ``None`` to auto-detect. Defaults to ``None``.
+            crop (Optional[bool], optional): Crop output to width of terminal. Defaults to True.
+            soft_wrap (bool, optional): Enable soft wrap mode which disables word wrapping and cropping of text or ``None`` for
+                Console default. Defaults to ``None``.
+            new_line_start (bool, False): Insert a new line at the start if the output contains more than one line. Defaults to ``False``.
+        """
+        if not objects:
+            objects = (NewLine(),)
+
+        if soft_wrap is None:
+            soft_wrap = self.soft_wrap
+        if soft_wrap:
+            if no_wrap is None:
+                no_wrap = True
+            if overflow is None:
+                overflow = "ignore"
+            crop = False
+        render_hooks = self._render_hooks[:]
+        with self:
+            renderables = self._collect_renderables(
+                objects,
+                sep,
+                end,
+                justify=justify,
+                emoji=emoji,
+                markup=markup,
+                highlight=highlight,
+            )
+            for hook in render_hooks:
+                renderables = hook.process_renderables(renderables)
+            render_options = self.options.update(
+                justify=justify,
+                overflow=overflow,
+                width=min(width, self.width) if width is not None else NO_CHANGE,
+                height=height,
+                no_wrap=no_wrap,
+                markup=markup,
+                highlight=highlight,
+            )
+
+            new_segments: List[Segment] = []
+            extend = new_segments.extend
+            render = self.render
+            if style is None:
+                for renderable in renderables:
+                    extend(render(renderable, render_options))
+            else:
+                for renderable in renderables:
+                    extend(
+                        Segment.apply_style(
+                            render(renderable, render_options), self.get_style(style)
+                        )
+                    )
+            if new_line_start:
+                if (
+                    len("".join(segment.text for segment in new_segments).splitlines())
+                    > 1
+                ):
+                    new_segments.insert(0, Segment.line())
+            if crop:
+                buffer_extend = self._buffer.extend
+                for line in Segment.split_and_crop_lines(
+                    new_segments, self.width, pad=False
+                ):
+                    buffer_extend(line)
+            else:
+                self._buffer.extend(new_segments)
+
+    def print_json(
+        self,
+        json: Optional[str] = None,
+        *,
+        data: Any = None,
+        indent: Union[None, int, str] = 2,
+        highlight: bool = True,
+        skip_keys: bool = False,
+        ensure_ascii: bool = True,
+        check_circular: bool = True,
+        allow_nan: bool = True,
+        default: Optional[Callable[[Any], Any]] = None,
+        sort_keys: bool = False,
+    ) -> None:
+        """Pretty prints JSON. Output will be valid JSON.
+
+        Args:
+            json (Optional[str]): A string containing JSON.
+            data (Any): If json is not supplied, then encode this data.
+            indent (Union[None, int, str], optional): Number of spaces to indent. Defaults to 2.
+            highlight (bool, optional): Enable highlighting of output: Defaults to True.
+            skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+            ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+            check_circular (bool, optional): Check for circular references. Defaults to True.
+            allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+            default (Callable, optional): A callable that converts values that can not be encoded
+                in to something that can be JSON encoded. Defaults to None.
+            sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+        """
+        from pip._vendor.rich.json import JSON
+
+        if json is None:
+            json_renderable = JSON.from_data(
+                data,
+                indent=indent,
+                highlight=highlight,
+                skip_keys=skip_keys,
+                ensure_ascii=ensure_ascii,
+                check_circular=check_circular,
+                allow_nan=allow_nan,
+                default=default,
+                sort_keys=sort_keys,
+            )
+        else:
+            if not isinstance(json, str):
+                raise TypeError(
+                    f"json must be str. Did you mean print_json(data={json!r}) ?"
+                )
+            json_renderable = JSON(
+                json,
+                indent=indent,
+                highlight=highlight,
+                skip_keys=skip_keys,
+                ensure_ascii=ensure_ascii,
+                check_circular=check_circular,
+                allow_nan=allow_nan,
+                default=default,
+                sort_keys=sort_keys,
+            )
+        self.print(json_renderable, soft_wrap=True)
+
+    def update_screen(
+        self,
+        renderable: RenderableType,
+        *,
+        region: Optional[Region] = None,
+        options: Optional[ConsoleOptions] = None,
+    ) -> None:
+        """Update the screen at a given offset.
+
+        Args:
+            renderable (RenderableType): A Rich renderable.
+            region (Region, optional): Region of screen to update, or None for entire screen. Defaults to None.
+            x (int, optional): x offset. Defaults to 0.
+            y (int, optional): y offset. Defaults to 0.
+
+        Raises:
+            errors.NoAltScreen: If the Console isn't in alt screen mode.
+
+        """
+        if not self.is_alt_screen:
+            raise errors.NoAltScreen("Alt screen must be enabled to call update_screen")
+        render_options = options or self.options
+        if region is None:
+            x = y = 0
+            render_options = render_options.update_dimensions(
+                render_options.max_width, render_options.height or self.height
+            )
+        else:
+            x, y, width, height = region
+            render_options = render_options.update_dimensions(width, height)
+
+        lines = self.render_lines(renderable, options=render_options)
+        self.update_screen_lines(lines, x, y)
+
+    def update_screen_lines(
+        self, lines: List[List[Segment]], x: int = 0, y: int = 0
+    ) -> None:
+        """Update lines of the screen at a given offset.
+
+        Args:
+            lines (List[List[Segment]]): Rendered lines (as produced by :meth:`~rich.Console.render_lines`).
+            x (int, optional): x offset (column no). Defaults to 0.
+            y (int, optional): y offset (column no). Defaults to 0.
+
+        Raises:
+            errors.NoAltScreen: If the Console isn't in alt screen mode.
+        """
+        if not self.is_alt_screen:
+            raise errors.NoAltScreen("Alt screen must be enabled to call update_screen")
+        screen_update = ScreenUpdate(lines, x, y)
+        segments = self.render(screen_update)
+        self._buffer.extend(segments)
+        self._check_buffer()
+
+    def print_exception(
+        self,
+        *,
+        width: Optional[int] = 100,
+        extra_lines: int = 3,
+        theme: Optional[str] = None,
+        word_wrap: bool = False,
+        show_locals: bool = False,
+        suppress: Iterable[Union[str, ModuleType]] = (),
+        max_frames: int = 100,
+    ) -> None:
+        """Prints a rich render of the last exception and traceback.
+
+        Args:
+            width (Optional[int], optional): Number of characters used to render code. Defaults to 88.
+            extra_lines (int, optional): Additional lines of code to render. Defaults to 3.
+            theme (str, optional): Override pygments theme used in traceback
+            word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+            show_locals (bool, optional): Enable display of local variables. Defaults to False.
+            suppress (Iterable[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+            max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+        """
+        from .traceback import Traceback
+
+        traceback = Traceback(
+            width=width,
+            extra_lines=extra_lines,
+            theme=theme,
+            word_wrap=word_wrap,
+            show_locals=show_locals,
+            suppress=suppress,
+            max_frames=max_frames,
+        )
+        self.print(traceback)
+
+    @staticmethod
+    def _caller_frame_info(
+        offset: int,
+        currentframe: Callable[[], Optional[FrameType]] = inspect.currentframe,
+    ) -> Tuple[str, int, Dict[str, Any]]:
+        """Get caller frame information.
+
+        Args:
+            offset (int): the caller offset within the current frame stack.
+            currentframe (Callable[[], Optional[FrameType]], optional): the callable to use to
+                retrieve the current frame. Defaults to ``inspect.currentframe``.
+
+        Returns:
+            Tuple[str, int, Dict[str, Any]]: A tuple containing the filename, the line number and
+                the dictionary of local variables associated with the caller frame.
+
+        Raises:
+            RuntimeError: If the stack offset is invalid.
+        """
+        # Ignore the frame of this local helper
+        offset += 1
+
+        frame = currentframe()
+        if frame is not None:
+            # Use the faster currentframe where implemented
+            while offset and frame:
+                frame = frame.f_back
+                offset -= 1
+            assert frame is not None
+            return frame.f_code.co_filename, frame.f_lineno, frame.f_locals
+        else:
+            # Fallback to the slower stack
+            frame_info = inspect.stack()[offset]
+            return frame_info.filename, frame_info.lineno, frame_info.frame.f_locals
+
+    def log(
+        self,
+        *objects: Any,
+        sep: str = " ",
+        end: str = "\n",
+        style: Optional[Union[str, Style]] = None,
+        justify: Optional[JustifyMethod] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+        log_locals: bool = False,
+        _stack_offset: int = 1,
+    ) -> None:
+        """Log rich content to the terminal.
+
+        Args:
+            objects (positional args): Objects to log to the terminal.
+            sep (str, optional): String to write between print data. Defaults to " ".
+            end (str, optional): String to write at end of print data. Defaults to "\\\\n".
+            style (Union[str, Style], optional): A style to apply to output. Defaults to None.
+            justify (str, optional): One of "left", "right", "center", or "full". Defaults to ``None``.
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to None.
+            emoji (Optional[bool], optional): Enable emoji code, or ``None`` to use console default. Defaults to None.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use console default. Defaults to None.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use console default. Defaults to None.
+            log_locals (bool, optional): Boolean to enable logging of locals where ``log()``
+                was called. Defaults to False.
+            _stack_offset (int, optional): Offset of caller from end of call stack. Defaults to 1.
+        """
+        if not objects:
+            objects = (NewLine(),)
+
+        render_hooks = self._render_hooks[:]
+
+        with self:
+            renderables = self._collect_renderables(
+                objects,
+                sep,
+                end,
+                justify=justify,
+                emoji=emoji,
+                markup=markup,
+                highlight=highlight,
+            )
+            if style is not None:
+                renderables = [Styled(renderable, style) for renderable in renderables]
+
+            filename, line_no, locals = self._caller_frame_info(_stack_offset)
+            link_path = None if filename.startswith("<") else os.path.abspath(filename)
+            path = filename.rpartition(os.sep)[-1]
+            if log_locals:
+                locals_map = {
+                    key: value
+                    for key, value in locals.items()
+                    if not key.startswith("__")
+                }
+                renderables.append(render_scope(locals_map, title="[i]locals"))
+
+            renderables = [
+                self._log_render(
+                    self,
+                    renderables,
+                    log_time=self.get_datetime(),
+                    path=path,
+                    line_no=line_no,
+                    link_path=link_path,
+                )
+            ]
+            for hook in render_hooks:
+                renderables = hook.process_renderables(renderables)
+            new_segments: List[Segment] = []
+            extend = new_segments.extend
+            render = self.render
+            render_options = self.options
+            for renderable in renderables:
+                extend(render(renderable, render_options))
+            buffer_extend = self._buffer.extend
+            for line in Segment.split_and_crop_lines(
+                new_segments, self.width, pad=False
+            ):
+                buffer_extend(line)
+
+    def _check_buffer(self) -> None:
+        """Check if the buffer may be rendered."""
+        if self.quiet:
+            del self._buffer[:]
+            return
+        with self._lock:
+            if self._buffer_index == 0:
+                if self.is_jupyter:  # pragma: no cover
+                    from .jupyter import display
+
+                    display(self._buffer, self._render_buffer(self._buffer[:]))
+                    del self._buffer[:]
+                else:
+                    text = self._render_buffer(self._buffer[:])
+                    del self._buffer[:]
+                    if text:
+                        try:
+                            if WINDOWS:  # pragma: no cover
+                                # https://bugs.python.org/issue37871
+                                write = self.file.write
+                                for line in text.splitlines(True):
+                                    write(line)
+                            else:
+                                self.file.write(text)
+                            self.file.flush()
+                        except UnicodeEncodeError as error:
+                            error.reason = f"{error.reason}\n*** You may need to add PYTHONIOENCODING=utf-8 to your environment ***"
+                            raise
+
+    def _render_buffer(self, buffer: Iterable[Segment]) -> str:
+        """Render buffered output, and clear buffer."""
+        output: List[str] = []
+        append = output.append
+        color_system = self._color_system
+        legacy_windows = self.legacy_windows
+        if self.record:
+            with self._record_buffer_lock:
+                self._record_buffer.extend(buffer)
+        not_terminal = not self.is_terminal
+        if self.no_color and color_system:
+            buffer = Segment.remove_color(buffer)
+        for text, style, control in buffer:
+            if style:
+                append(
+                    style.render(
+                        text,
+                        color_system=color_system,
+                        legacy_windows=legacy_windows,
+                    )
+                )
+            elif not (not_terminal and control):
+                append(text)
+
+        rendered = "".join(output)
+        return rendered
+
+    def input(
+        self,
+        prompt: TextType = "",
+        *,
+        markup: bool = True,
+        emoji: bool = True,
+        password: bool = False,
+        stream: Optional[TextIO] = None,
+    ) -> str:
+        """Displays a prompt and waits for input from the user. The prompt may contain color / style.
+
+        It works in the same way as Python's builtin :func:`input` function and provides elaborate line editing and history features if Python's builtin :mod:`readline` module is previously loaded.
+
+        Args:
+            prompt (Union[str, Text]): Text to render in the prompt.
+            markup (bool, optional): Enable console markup (requires a str prompt). Defaults to True.
+            emoji (bool, optional): Enable emoji (requires a str prompt). Defaults to True.
+            password: (bool, optional): Hide typed text. Defaults to False.
+            stream: (TextIO, optional): Optional file to read input from (rather than stdin). Defaults to None.
+
+        Returns:
+            str: Text read from stdin.
+        """
+        prompt_str = ""
+        if prompt:
+            with self.capture() as capture:
+                self.print(prompt, markup=markup, emoji=emoji, end="")
+            prompt_str = capture.get()
+        if self.legacy_windows:
+            # Legacy windows doesn't like ANSI codes in getpass or input (colorama bug)?
+            self.file.write(prompt_str)
+            prompt_str = ""
+        if password:
+            result = getpass(prompt_str, stream=stream)
+        else:
+            if stream:
+                self.file.write(prompt_str)
+                result = stream.readline()
+            else:
+                result = input(prompt_str)
+        return result
+
+    def export_text(self, *, clear: bool = True, styles: bool = False) -> str:
+        """Generate text from console contents (requires record=True argument in constructor).
+
+        Args:
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            styles (bool, optional): If ``True``, ansi escape codes will be included. ``False`` for plain text.
+                Defaults to ``False``.
+
+        Returns:
+            str: String containing console contents.
+
+        """
+        assert (
+            self.record
+        ), "To export console contents set record=True in the constructor or instance"
+
+        with self._record_buffer_lock:
+            if styles:
+                text = "".join(
+                    (style.render(text) if style else text)
+                    for text, style, _ in self._record_buffer
+                )
+            else:
+                text = "".join(
+                    segment.text
+                    for segment in self._record_buffer
+                    if not segment.control
+                )
+            if clear:
+                del self._record_buffer[:]
+        return text
+
+    def save_text(self, path: str, *, clear: bool = True, styles: bool = False) -> None:
+        """Generate text from console and save to a given location (requires record=True argument in constructor).
+
+        Args:
+            path (str): Path to write text files.
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            styles (bool, optional): If ``True``, ansi style codes will be included. ``False`` for plain text.
+                Defaults to ``False``.
+
+        """
+        text = self.export_text(clear=clear, styles=styles)
+        with open(path, "wt", encoding="utf-8") as write_file:
+            write_file.write(text)
+
+    def export_html(
+        self,
+        *,
+        theme: Optional[TerminalTheme] = None,
+        clear: bool = True,
+        code_format: Optional[str] = None,
+        inline_styles: bool = False,
+    ) -> str:
+        """Generate HTML from console contents (requires record=True argument in constructor).
+
+        Args:
+            theme (TerminalTheme, optional): TerminalTheme object containing console colors.
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            code_format (str, optional): Format string to render HTML, should contain {foreground}
+                {background} and {code}.
+            inline_styles (bool, optional): If ``True`` styles will be inlined in to spans, which makes files
+                larger but easier to cut and paste markup. If ``False``, styles will be embedded in a style tag.
+                Defaults to False.
+
+        Returns:
+            str: String containing console contents as HTML.
+        """
+        assert (
+            self.record
+        ), "To export console contents set record=True in the constructor or instance"
+        fragments: List[str] = []
+        append = fragments.append
+        _theme = theme or DEFAULT_TERMINAL_THEME
+        stylesheet = ""
+
+        render_code_format = CONSOLE_HTML_FORMAT if code_format is None else code_format
+
+        with self._record_buffer_lock:
+            if inline_styles:
+                for text, style, _ in Segment.filter_control(
+                    Segment.simplify(self._record_buffer)
+                ):
+                    text = escape(text)
+                    if style:
+                        rule = style.get_html_style(_theme)
+                        if style.link:
+                            text = f'<a href="{style.link}">{text}</a>'
+                        text = f'<span style="{rule}">{text}</span>' if rule else text
+                    append(text)
+            else:
+                styles: Dict[str, int] = {}
+                for text, style, _ in Segment.filter_control(
+                    Segment.simplify(self._record_buffer)
+                ):
+                    text = escape(text)
+                    if style:
+                        rule = style.get_html_style(_theme)
+                        style_number = styles.setdefault(rule, len(styles) + 1)
+                        if style.link:
+                            text = f'<a class="r{style_number}" href="{style.link}">{text}</a>'
+                        else:
+                            text = f'<span class="r{style_number}">{text}</span>'
+                    append(text)
+                stylesheet_rules: List[str] = []
+                stylesheet_append = stylesheet_rules.append
+                for style_rule, style_number in styles.items():
+                    if style_rule:
+                        stylesheet_append(f".r{style_number} {{{style_rule}}}")
+                stylesheet = "\n".join(stylesheet_rules)
+
+            rendered_code = render_code_format.format(
+                code="".join(fragments),
+                stylesheet=stylesheet,
+                foreground=_theme.foreground_color.hex,
+                background=_theme.background_color.hex,
+            )
+            if clear:
+                del self._record_buffer[:]
+        return rendered_code
+
+    def save_html(
+        self,
+        path: str,
+        *,
+        theme: Optional[TerminalTheme] = None,
+        clear: bool = True,
+        code_format: str = CONSOLE_HTML_FORMAT,
+        inline_styles: bool = False,
+    ) -> None:
+        """Generate HTML from console contents and write to a file (requires record=True argument in constructor).
+
+        Args:
+            path (str): Path to write html file.
+            theme (TerminalTheme, optional): TerminalTheme object containing console colors.
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            code_format (str, optional): Format string to render HTML, should contain {foreground}
+                {background} and {code}.
+            inline_styles (bool, optional): If ``True`` styles will be inlined in to spans, which makes files
+                larger but easier to cut and paste markup. If ``False``, styles will be embedded in a style tag.
+                Defaults to False.
+
+        """
+        html = self.export_html(
+            theme=theme,
+            clear=clear,
+            code_format=code_format,
+            inline_styles=inline_styles,
+        )
+        with open(path, "wt", encoding="utf-8") as write_file:
+            write_file.write(html)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    console = Console()
+
+    console.log(
+        "JSONRPC [i]request[/i]",
+        5,
+        1.3,
+        True,
+        False,
+        None,
+        {
+            "jsonrpc": "2.0",
+            "method": "subtract",
+            "params": {"minuend": 42, "subtrahend": 23},
+            "id": 3,
+        },
+    )
+
+    console.log("Hello, World!", "{'a': 1}", repr(console))
+
+    console.print(
+        {
+            "name": None,
+            "empty": [],
+            "quiz": {
+                "sport": {
+                    "answered": True,
+                    "q1": {
+                        "question": "Which one is correct team name in NBA?",
+                        "options": [
+                            "New York Bulls",
+                            "Los Angeles Kings",
+                            "Golden State Warriors",
+                            "Huston Rocket",
+                        ],
+                        "answer": "Huston Rocket",
+                    },
+                },
+                "maths": {
+                    "answered": False,
+                    "q1": {
+                        "question": "5 + 7 = ?",
+                        "options": [10, 11, 12, 13],
+                        "answer": 12,
+                    },
+                    "q2": {
+                        "question": "12 - 8 = ?",
+                        "options": [1, 2, 3, 4],
+                        "answer": 4,
+                    },
+                },
+            },
+        }
+    )
+    console.log("foo")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/constrain.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/constrain.py
new file mode 100644
index 0000000000000000000000000000000000000000..65fdf56342e8b5b8e181914881025231684e1871
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/constrain.py
@@ -0,0 +1,37 @@
+from typing import Optional, TYPE_CHECKING
+
+from .jupyter import JupyterMixin
+from .measure import Measurement
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType, RenderResult
+
+
+class Constrain(JupyterMixin):
+    """Constrain the width of a renderable to a given number of characters.
+
+    Args:
+        renderable (RenderableType): A renderable object.
+        width (int, optional): The maximum width (in characters) to render. Defaults to 80.
+    """
+
+    def __init__(self, renderable: "RenderableType", width: Optional[int] = 80) -> None:
+        self.renderable = renderable
+        self.width = width
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.width is None:
+            yield self.renderable
+        else:
+            child_options = options.update_width(min(self.width, options.max_width))
+            yield from console.render(self.renderable, child_options)
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        if self.width is not None:
+            options = options.update_width(self.width)
+        measurement = Measurement.get(console, options, self.renderable)
+        return measurement
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/containers.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/containers.py
new file mode 100644
index 0000000000000000000000000000000000000000..e29cf368991ccb083b67cda8133e4635defbfe53
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/containers.py
@@ -0,0 +1,167 @@
+from itertools import zip_longest
+from typing import (
+    Iterator,
+    Iterable,
+    List,
+    Optional,
+    Union,
+    overload,
+    TypeVar,
+    TYPE_CHECKING,
+)
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        JustifyMethod,
+        OverflowMethod,
+        RenderResult,
+        RenderableType,
+    )
+    from .text import Text
+
+from .cells import cell_len
+from .measure import Measurement
+
+T = TypeVar("T")
+
+
+class Renderables:
+    """A list subclass which renders its contents to the console."""
+
+    def __init__(
+        self, renderables: Optional[Iterable["RenderableType"]] = None
+    ) -> None:
+        self._renderables: List["RenderableType"] = (
+            list(renderables) if renderables is not None else []
+        )
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        """Console render method to insert line-breaks."""
+        yield from self._renderables
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        dimensions = [
+            Measurement.get(console, options, renderable)
+            for renderable in self._renderables
+        ]
+        if not dimensions:
+            return Measurement(1, 1)
+        _min = max(dimension.minimum for dimension in dimensions)
+        _max = max(dimension.maximum for dimension in dimensions)
+        return Measurement(_min, _max)
+
+    def append(self, renderable: "RenderableType") -> None:
+        self._renderables.append(renderable)
+
+    def __iter__(self) -> Iterable["RenderableType"]:
+        return iter(self._renderables)
+
+
+class Lines:
+    """A list subclass which can render to the console."""
+
+    def __init__(self, lines: Iterable["Text"] = ()) -> None:
+        self._lines: List["Text"] = list(lines)
+
+    def __repr__(self) -> str:
+        return f"Lines({self._lines!r})"
+
+    def __iter__(self) -> Iterator["Text"]:
+        return iter(self._lines)
+
+    @overload
+    def __getitem__(self, index: int) -> "Text":
+        ...
+
+    @overload
+    def __getitem__(self, index: slice) -> List["Text"]:
+        ...
+
+    def __getitem__(self, index: Union[slice, int]) -> Union["Text", List["Text"]]:
+        return self._lines[index]
+
+    def __setitem__(self, index: int, value: "Text") -> "Lines":
+        self._lines[index] = value
+        return self
+
+    def __len__(self) -> int:
+        return self._lines.__len__()
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        """Console render method to insert line-breaks."""
+        yield from self._lines
+
+    def append(self, line: "Text") -> None:
+        self._lines.append(line)
+
+    def extend(self, lines: Iterable["Text"]) -> None:
+        self._lines.extend(lines)
+
+    def pop(self, index: int = -1) -> "Text":
+        return self._lines.pop(index)
+
+    def justify(
+        self,
+        console: "Console",
+        width: int,
+        justify: "JustifyMethod" = "left",
+        overflow: "OverflowMethod" = "fold",
+    ) -> None:
+        """Justify and overflow text to a given width.
+
+        Args:
+            console (Console): Console instance.
+            width (int): Number of characters per line.
+            justify (str, optional): Default justify method for text: "left", "center", "full" or "right". Defaults to "left".
+            overflow (str, optional): Default overflow for text: "crop", "fold", or "ellipsis". Defaults to "fold".
+
+        """
+        from .text import Text
+
+        if justify == "left":
+            for line in self._lines:
+                line.truncate(width, overflow=overflow, pad=True)
+        elif justify == "center":
+            for line in self._lines:
+                line.rstrip()
+                line.truncate(width, overflow=overflow)
+                line.pad_left((width - cell_len(line.plain)) // 2)
+                line.pad_right(width - cell_len(line.plain))
+        elif justify == "right":
+            for line in self._lines:
+                line.rstrip()
+                line.truncate(width, overflow=overflow)
+                line.pad_left(width - cell_len(line.plain))
+        elif justify == "full":
+            for line_index, line in enumerate(self._lines):
+                if line_index == len(self._lines) - 1:
+                    break
+                words = line.split(" ")
+                words_size = sum(cell_len(word.plain) for word in words)
+                num_spaces = len(words) - 1
+                spaces = [1 for _ in range(num_spaces)]
+                index = 0
+                if spaces:
+                    while words_size + num_spaces < width:
+                        spaces[len(spaces) - index - 1] += 1
+                        num_spaces += 1
+                        index = (index + 1) % len(spaces)
+                tokens: List[Text] = []
+                for index, (word, next_word) in enumerate(
+                    zip_longest(words, words[1:])
+                ):
+                    tokens.append(word)
+                    if index < len(spaces):
+                        style = word.get_style_at_offset(console, -1)
+                        next_style = next_word.get_style_at_offset(console, 0)
+                        space_style = style if style == next_style else line.style
+                        tokens.append(Text(" " * spaces[index], style=space_style))
+                self[line_index] = Text("").join(tokens)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/control.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/control.py
new file mode 100644
index 0000000000000000000000000000000000000000..c98d0d7d98bd6de3b6b14b89ccffabbbefc5aefb
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/control.py
@@ -0,0 +1,175 @@
+from typing import Any, Callable, Dict, Iterable, List, TYPE_CHECKING, Union
+
+from .segment import ControlCode, ControlType, Segment
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult
+
+STRIP_CONTROL_CODES = [
+    8,  # Backspace
+    11,  # Vertical tab
+    12,  # Form feed
+    13,  # Carriage return
+]
+_CONTROL_TRANSLATE = {_codepoint: None for _codepoint in STRIP_CONTROL_CODES}
+
+
+CONTROL_CODES_FORMAT: Dict[int, Callable[..., str]] = {
+    ControlType.BELL: lambda: "\x07",
+    ControlType.CARRIAGE_RETURN: lambda: "\r",
+    ControlType.HOME: lambda: "\x1b[H",
+    ControlType.CLEAR: lambda: "\x1b[2J",
+    ControlType.ENABLE_ALT_SCREEN: lambda: "\x1b[?1049h",
+    ControlType.DISABLE_ALT_SCREEN: lambda: "\x1b[?1049l",
+    ControlType.SHOW_CURSOR: lambda: "\x1b[?25h",
+    ControlType.HIDE_CURSOR: lambda: "\x1b[?25l",
+    ControlType.CURSOR_UP: lambda param: f"\x1b[{param}A",
+    ControlType.CURSOR_DOWN: lambda param: f"\x1b[{param}B",
+    ControlType.CURSOR_FORWARD: lambda param: f"\x1b[{param}C",
+    ControlType.CURSOR_BACKWARD: lambda param: f"\x1b[{param}D",
+    ControlType.CURSOR_MOVE_TO_COLUMN: lambda param: f"\x1b[{param+1}G",
+    ControlType.ERASE_IN_LINE: lambda param: f"\x1b[{param}K",
+    ControlType.CURSOR_MOVE_TO: lambda x, y: f"\x1b[{y+1};{x+1}H",
+}
+
+
+class Control:
+    """A renderable that inserts a control code (non printable but may move cursor).
+
+    Args:
+        *codes (str): Positional arguments are either a :class:`~rich.segment.ControlType` enum or a
+            tuple of ControlType and an integer parameter
+    """
+
+    __slots__ = ["segment"]
+
+    def __init__(self, *codes: Union[ControlType, ControlCode]) -> None:
+        control_codes: List[ControlCode] = [
+            (code,) if isinstance(code, ControlType) else code for code in codes
+        ]
+        _format_map = CONTROL_CODES_FORMAT
+        rendered_codes = "".join(
+            _format_map[code](*parameters) for code, *parameters in control_codes
+        )
+        self.segment = Segment(rendered_codes, None, control_codes)
+
+    @classmethod
+    def bell(cls) -> "Control":
+        """Ring the 'bell'."""
+        return cls(ControlType.BELL)
+
+    @classmethod
+    def home(cls) -> "Control":
+        """Move cursor to 'home' position."""
+        return cls(ControlType.HOME)
+
+    @classmethod
+    def move(cls, x: int = 0, y: int = 0) -> "Control":
+        """Move cursor relative to current position.
+
+        Args:
+            x (int): X offset.
+            y (int): Y offset.
+
+        Returns:
+            ~Control: Control object.
+
+        """
+
+        def get_codes() -> Iterable[ControlCode]:
+            control = ControlType
+            if x:
+                yield (
+                    control.CURSOR_FORWARD if x > 0 else control.CURSOR_BACKWARD,
+                    abs(x),
+                )
+            if y:
+                yield (
+                    control.CURSOR_DOWN if y > 0 else control.CURSOR_UP,
+                    abs(y),
+                )
+
+        control = cls(*get_codes())
+        return control
+
+    @classmethod
+    def move_to_column(cls, x: int, y: int = 0) -> "Control":
+        """Move to the given column, optionally add offset to row.
+
+        Returns:
+            x (int): absolute x (column)
+            y (int): optional y offset (row)
+
+        Returns:
+            ~Control: Control object.
+        """
+
+        return (
+            cls(
+                (ControlType.CURSOR_MOVE_TO_COLUMN, x),
+                (
+                    ControlType.CURSOR_DOWN if y > 0 else ControlType.CURSOR_UP,
+                    abs(y),
+                ),
+            )
+            if y
+            else cls((ControlType.CURSOR_MOVE_TO_COLUMN, x))
+        )
+
+    @classmethod
+    def move_to(cls, x: int, y: int) -> "Control":
+        """Move cursor to absolute position.
+
+        Args:
+            x (int): x offset (column)
+            y (int): y offset (row)
+
+        Returns:
+            ~Control: Control object.
+        """
+        return cls((ControlType.CURSOR_MOVE_TO, x, y))
+
+    @classmethod
+    def clear(cls) -> "Control":
+        """Clear the screen."""
+        return cls(ControlType.CLEAR)
+
+    @classmethod
+    def show_cursor(cls, show: bool) -> "Control":
+        """Show or hide the cursor."""
+        return cls(ControlType.SHOW_CURSOR if show else ControlType.HIDE_CURSOR)
+
+    @classmethod
+    def alt_screen(cls, enable: bool) -> "Control":
+        """Enable or disable alt screen."""
+        if enable:
+            return cls(ControlType.ENABLE_ALT_SCREEN, ControlType.HOME)
+        else:
+            return cls(ControlType.DISABLE_ALT_SCREEN)
+
+    def __str__(self) -> str:
+        return self.segment.text
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.segment.text:
+            yield self.segment
+
+
+def strip_control_codes(
+    text: str, _translate_table: Dict[int, None] = _CONTROL_TRANSLATE
+) -> str:
+    """Remove control codes from text.
+
+    Args:
+        text (str): A string possibly contain control codes.
+
+    Returns:
+        str: String with control codes removed.
+    """
+    return text.translate(_translate_table)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    print(strip_control_codes("hello\rWorld"))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/default_styles.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/default_styles.py
new file mode 100644
index 0000000000000000000000000000000000000000..91ab232d31d561d7f2fcb92e83af1bbd4a4e89f7
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/default_styles.py
@@ -0,0 +1,183 @@
+from typing import Dict
+
+from .style import Style
+
+
+DEFAULT_STYLES: Dict[str, Style] = {
+    "none": Style.null(),
+    "reset": Style(
+        color="default",
+        bgcolor="default",
+        dim=False,
+        bold=False,
+        italic=False,
+        underline=False,
+        blink=False,
+        blink2=False,
+        reverse=False,
+        conceal=False,
+        strike=False,
+    ),
+    "dim": Style(dim=True),
+    "bright": Style(dim=False),
+    "bold": Style(bold=True),
+    "strong": Style(bold=True),
+    "code": Style(reverse=True, bold=True),
+    "italic": Style(italic=True),
+    "emphasize": Style(italic=True),
+    "underline": Style(underline=True),
+    "blink": Style(blink=True),
+    "blink2": Style(blink2=True),
+    "reverse": Style(reverse=True),
+    "strike": Style(strike=True),
+    "black": Style(color="black"),
+    "red": Style(color="red"),
+    "green": Style(color="green"),
+    "yellow": Style(color="yellow"),
+    "magenta": Style(color="magenta"),
+    "cyan": Style(color="cyan"),
+    "white": Style(color="white"),
+    "inspect.attr": Style(color="yellow", italic=True),
+    "inspect.attr.dunder": Style(color="yellow", italic=True, dim=True),
+    "inspect.callable": Style(bold=True, color="red"),
+    "inspect.def": Style(italic=True, color="bright_cyan"),
+    "inspect.error": Style(bold=True, color="red"),
+    "inspect.equals": Style(),
+    "inspect.help": Style(color="cyan"),
+    "inspect.doc": Style(dim=True),
+    "inspect.value.border": Style(color="green"),
+    "live.ellipsis": Style(bold=True, color="red"),
+    "layout.tree.row": Style(dim=False, color="red"),
+    "layout.tree.column": Style(dim=False, color="blue"),
+    "logging.keyword": Style(bold=True, color="yellow"),
+    "logging.level.notset": Style(dim=True),
+    "logging.level.debug": Style(color="green"),
+    "logging.level.info": Style(color="blue"),
+    "logging.level.warning": Style(color="red"),
+    "logging.level.error": Style(color="red", bold=True),
+    "logging.level.critical": Style(color="red", bold=True, reverse=True),
+    "log.level": Style.null(),
+    "log.time": Style(color="cyan", dim=True),
+    "log.message": Style.null(),
+    "log.path": Style(dim=True),
+    "repr.ellipsis": Style(color="yellow"),
+    "repr.indent": Style(color="green", dim=True),
+    "repr.error": Style(color="red", bold=True),
+    "repr.str": Style(color="green", italic=False, bold=False),
+    "repr.brace": Style(bold=True),
+    "repr.comma": Style(bold=True),
+    "repr.ipv4": Style(bold=True, color="bright_green"),
+    "repr.ipv6": Style(bold=True, color="bright_green"),
+    "repr.eui48": Style(bold=True, color="bright_green"),
+    "repr.eui64": Style(bold=True, color="bright_green"),
+    "repr.tag_start": Style(bold=True),
+    "repr.tag_name": Style(color="bright_magenta", bold=True),
+    "repr.tag_contents": Style(color="default"),
+    "repr.tag_end": Style(bold=True),
+    "repr.attrib_name": Style(color="yellow", italic=False),
+    "repr.attrib_equal": Style(bold=True),
+    "repr.attrib_value": Style(color="magenta", italic=False),
+    "repr.number": Style(color="cyan", bold=True, italic=False),
+    "repr.bool_true": Style(color="bright_green", italic=True),
+    "repr.bool_false": Style(color="bright_red", italic=True),
+    "repr.none": Style(color="magenta", italic=True),
+    "repr.url": Style(underline=True, color="bright_blue", italic=False, bold=False),
+    "repr.uuid": Style(color="bright_yellow", bold=False),
+    "repr.call": Style(color="magenta", bold=True),
+    "repr.path": Style(color="magenta"),
+    "repr.filename": Style(color="bright_magenta"),
+    "rule.line": Style(color="bright_green"),
+    "rule.text": Style.null(),
+    "json.brace": Style(bold=True),
+    "json.bool_true": Style(color="bright_green", italic=True),
+    "json.bool_false": Style(color="bright_red", italic=True),
+    "json.null": Style(color="magenta", italic=True),
+    "json.number": Style(color="cyan", bold=True, italic=False),
+    "json.str": Style(color="green", italic=False, bold=False),
+    "json.key": Style(color="blue", bold=True),
+    "prompt": Style.null(),
+    "prompt.choices": Style(color="magenta", bold=True),
+    "prompt.default": Style(color="cyan", bold=True),
+    "prompt.invalid": Style(color="red"),
+    "prompt.invalid.choice": Style(color="red"),
+    "pretty": Style.null(),
+    "scope.border": Style(color="blue"),
+    "scope.key": Style(color="yellow", italic=True),
+    "scope.key.special": Style(color="yellow", italic=True, dim=True),
+    "scope.equals": Style(color="red"),
+    "table.header": Style(bold=True),
+    "table.footer": Style(bold=True),
+    "table.cell": Style.null(),
+    "table.title": Style(italic=True),
+    "table.caption": Style(italic=True, dim=True),
+    "traceback.error": Style(color="red", italic=True),
+    "traceback.border.syntax_error": Style(color="bright_red"),
+    "traceback.border": Style(color="red"),
+    "traceback.text": Style.null(),
+    "traceback.title": Style(color="red", bold=True),
+    "traceback.exc_type": Style(color="bright_red", bold=True),
+    "traceback.exc_value": Style.null(),
+    "traceback.offset": Style(color="bright_red", bold=True),
+    "bar.back": Style(color="grey23"),
+    "bar.complete": Style(color="rgb(249,38,114)"),
+    "bar.finished": Style(color="rgb(114,156,31)"),
+    "bar.pulse": Style(color="rgb(249,38,114)"),
+    "progress.description": Style.null(),
+    "progress.filesize": Style(color="green"),
+    "progress.filesize.total": Style(color="green"),
+    "progress.download": Style(color="green"),
+    "progress.elapsed": Style(color="yellow"),
+    "progress.percentage": Style(color="magenta"),
+    "progress.remaining": Style(color="cyan"),
+    "progress.data.speed": Style(color="red"),
+    "progress.spinner": Style(color="green"),
+    "status.spinner": Style(color="green"),
+    "tree": Style(),
+    "tree.line": Style(),
+    "markdown.paragraph": Style(),
+    "markdown.text": Style(),
+    "markdown.emph": Style(italic=True),
+    "markdown.strong": Style(bold=True),
+    "markdown.code": Style(bgcolor="black", color="bright_white"),
+    "markdown.code_block": Style(dim=True, color="cyan", bgcolor="black"),
+    "markdown.block_quote": Style(color="magenta"),
+    "markdown.list": Style(color="cyan"),
+    "markdown.item": Style(),
+    "markdown.item.bullet": Style(color="yellow", bold=True),
+    "markdown.item.number": Style(color="yellow", bold=True),
+    "markdown.hr": Style(color="yellow"),
+    "markdown.h1.border": Style(),
+    "markdown.h1": Style(bold=True),
+    "markdown.h2": Style(bold=True, underline=True),
+    "markdown.h3": Style(bold=True),
+    "markdown.h4": Style(bold=True, dim=True),
+    "markdown.h5": Style(underline=True),
+    "markdown.h6": Style(italic=True),
+    "markdown.h7": Style(italic=True, dim=True),
+    "markdown.link": Style(color="bright_blue"),
+    "markdown.link_url": Style(color="blue"),
+}
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import argparse
+    import io
+
+    from pip._vendor.rich.console import Console
+    from pip._vendor.rich.table import Table
+    from pip._vendor.rich.text import Text
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--html", action="store_true", help="Export as HTML table")
+    args = parser.parse_args()
+    html: bool = args.html
+    console = Console(record=True, width=70, file=io.StringIO()) if html else Console()
+
+    table = Table("Name", "Styling")
+
+    for style_name, style in DEFAULT_STYLES.items():
+        table.add_row(Text(style_name, style=style), str(style))
+
+    console.print(table)
+    if html:
+        print(console.export_html(inline_styles=True))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/diagnose.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/diagnose.py
new file mode 100644
index 0000000000000000000000000000000000000000..38728da2ae2b557aa5c1b96a116c5901462fe298
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/diagnose.py
@@ -0,0 +1,6 @@
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+    from pip._vendor.rich import inspect
+
+    console = Console()
+    inspect(console)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/emoji.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/emoji.py
new file mode 100644
index 0000000000000000000000000000000000000000..791f0465de136088e33cdc6ef5696590df1e4f86
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/emoji.py
@@ -0,0 +1,96 @@
+import sys
+from typing import TYPE_CHECKING, Optional, Union
+
+from .jupyter import JupyterMixin
+from .segment import Segment
+from .style import Style
+from ._emoji_codes import EMOJI
+from ._emoji_replace import _emoji_replace
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult
+
+
+EmojiVariant = Literal["emoji", "text"]
+
+
+class NoEmoji(Exception):
+    """No emoji by that name."""
+
+
+class Emoji(JupyterMixin):
+    __slots__ = ["name", "style", "_char", "variant"]
+
+    VARIANTS = {"text": "\uFE0E", "emoji": "\uFE0F"}
+
+    def __init__(
+        self,
+        name: str,
+        style: Union[str, Style] = "none",
+        variant: Optional[EmojiVariant] = None,
+    ) -> None:
+        """A single emoji character.
+
+        Args:
+            name (str): Name of emoji.
+            style (Union[str, Style], optional): Optional style. Defaults to None.
+
+        Raises:
+            NoEmoji: If the emoji doesn't exist.
+        """
+        self.name = name
+        self.style = style
+        self.variant = variant
+        try:
+            self._char = EMOJI[name]
+        except KeyError:
+            raise NoEmoji(f"No emoji called {name!r}")
+        if variant is not None:
+            self._char += self.VARIANTS.get(variant, "")
+
+    @classmethod
+    def replace(cls, text: str) -> str:
+        """Replace emoji markup with corresponding unicode characters.
+
+        Args:
+            text (str): A string with emojis codes, e.g. "Hello :smiley:!"
+
+        Returns:
+            str: A string with emoji codes replaces with actual emoji.
+        """
+        return _emoji_replace(text)
+
+    def __repr__(self) -> str:
+        return f"<emoji {self.name!r}>"
+
+    def __str__(self) -> str:
+        return self._char
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        yield Segment(self._char, console.get_style(self.style))
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sys
+
+    from pip._vendor.rich.columns import Columns
+    from pip._vendor.rich.console import Console
+
+    console = Console(record=True)
+
+    columns = Columns(
+        (f":{name}: {name}" for name in sorted(EMOJI.keys()) if "\u200D" not in name),
+        column_first=True,
+    )
+
+    console.print(columns)
+    if len(sys.argv) > 1:
+        console.save_html(sys.argv[1])
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/errors.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/errors.py
new file mode 100644
index 0000000000000000000000000000000000000000..0bcbe53ef59373c608e62ea285536f8b22b47ecb
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/errors.py
@@ -0,0 +1,34 @@
+class ConsoleError(Exception):
+    """An error in console operation."""
+
+
+class StyleError(Exception):
+    """An error in styles."""
+
+
+class StyleSyntaxError(ConsoleError):
+    """Style was badly formatted."""
+
+
+class MissingStyle(StyleError):
+    """No such style."""
+
+
+class StyleStackError(ConsoleError):
+    """Style stack is invalid."""
+
+
+class NotRenderableError(ConsoleError):
+    """Object is not renderable."""
+
+
+class MarkupError(ConsoleError):
+    """Markup was badly formatted."""
+
+
+class LiveError(ConsoleError):
+    """Error related to Live display."""
+
+
+class NoAltScreen(ConsoleError):
+    """Alt screen mode was required."""
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/file_proxy.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/file_proxy.py
new file mode 100644
index 0000000000000000000000000000000000000000..3ec593a5a480b101f8d67a6bc4b2ceabc4685d8e
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/file_proxy.py
@@ -0,0 +1,54 @@
+import io
+from typing import List, Any, IO, TYPE_CHECKING
+
+from .ansi import AnsiDecoder
+from .text import Text
+
+if TYPE_CHECKING:
+    from .console import Console
+
+
+class FileProxy(io.TextIOBase):
+    """Wraps a file (e.g. sys.stdout) and redirects writes to a console."""
+
+    def __init__(self, console: "Console", file: IO[str]) -> None:
+        self.__console = console
+        self.__file = file
+        self.__buffer: List[str] = []
+        self.__ansi_decoder = AnsiDecoder()
+
+    @property
+    def rich_proxied_file(self) -> IO[str]:
+        """Get proxied file."""
+        return self.__file
+
+    def __getattr__(self, name: str) -> Any:
+        return getattr(self.__file, name)
+
+    def write(self, text: str) -> int:
+        if not isinstance(text, str):
+            raise TypeError(f"write() argument must be str, not {type(text).__name__}")
+        buffer = self.__buffer
+        lines: List[str] = []
+        while text:
+            line, new_line, text = text.partition("\n")
+            if new_line:
+                lines.append("".join(buffer) + line)
+                del buffer[:]
+            else:
+                buffer.append(line)
+                break
+        if lines:
+            console = self.__console
+            with console:
+                output = Text("\n").join(
+                    self.__ansi_decoder.decode_line(line) for line in lines
+                )
+                console.print(output)
+        return len(text)
+
+    def flush(self) -> None:
+        buffer = self.__buffer
+        if buffer:
+            self.__console.print("".join(buffer))
+            del buffer[:]
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/filesize.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/filesize.py
new file mode 100644
index 0000000000000000000000000000000000000000..b3a0996b05ef985e64ce69225e1347c1603dc023
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/filesize.py
@@ -0,0 +1,89 @@
+# coding: utf-8
+"""Functions for reporting filesizes. Borrowed from https://github.com/PyFilesystem/pyfilesystem2
+
+The functions declared in this module should cover the different
+usecases needed to generate a string representation of a file size
+using several different units. Since there are many standards regarding
+file size units, three different functions have been implemented.
+
+See Also:
+    * `Wikipedia: Binary prefix <https://en.wikipedia.org/wiki/Binary_prefix>`_
+
+"""
+
+__all__ = ["decimal"]
+
+from typing import Iterable, List, Tuple, Optional
+
+
+def _to_str(
+    size: int,
+    suffixes: Iterable[str],
+    base: int,
+    *,
+    precision: Optional[int] = 1,
+    separator: Optional[str] = " ",
+) -> str:
+    if size == 1:
+        return "1 byte"
+    elif size < base:
+        return "{:,} bytes".format(size)
+
+    for i, suffix in enumerate(suffixes, 2):  # noqa: B007
+        unit = base ** i
+        if size < unit:
+            break
+    return "{:,.{precision}f}{separator}{}".format(
+        (base * size / unit),
+        suffix,
+        precision=precision,
+        separator=separator,
+    )
+
+
+def pick_unit_and_suffix(size: int, suffixes: List[str], base: int) -> Tuple[int, str]:
+    """Pick a suffix and base for the given size."""
+    for i, suffix in enumerate(suffixes):
+        unit = base ** i
+        if size < unit * base:
+            break
+    return unit, suffix
+
+
+def decimal(
+    size: int,
+    *,
+    precision: Optional[int] = 1,
+    separator: Optional[str] = " ",
+) -> str:
+    """Convert a filesize in to a string (powers of 1000, SI prefixes).
+
+    In this convention, ``1000 B = 1 kB``.
+
+    This is typically the format used to advertise the storage
+    capacity of USB flash drives and the like (*256 MB* meaning
+    actually a storage capacity of more than *256 000 000 B*),
+    or used by **Mac OS X** since v10.6 to report file sizes.
+
+    Arguments:
+        int (size): A file size.
+        int (precision): The number of decimal places to include (default = 1).
+        str (separator): The string to separate the value from the units (default = " ").
+
+    Returns:
+        `str`: A string containing a abbreviated file size and units.
+
+    Example:
+        >>> filesize.decimal(30000)
+        '30.0 kB'
+        >>> filesize.decimal(30000, precision=2, separator="")
+        '30.00kB'
+
+    """
+    return _to_str(
+        size,
+        ("kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"),
+        1000,
+        precision=precision,
+        separator=separator,
+    )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/highlighter.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/highlighter.py
new file mode 100644
index 0000000000000000000000000000000000000000..8afdd017b6e5c11458b3dd61af3bbe9c20ba8ea6
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/highlighter.py
@@ -0,0 +1,147 @@
+from abc import ABC, abstractmethod
+from typing import List, Union
+
+from .text import Text
+
+
+def _combine_regex(*regexes: str) -> str:
+    """Combine a number of regexes in to a single regex.
+
+    Returns:
+        str: New regex with all regexes ORed together.
+    """
+    return "|".join(regexes)
+
+
+class Highlighter(ABC):
+    """Abstract base class for highlighters."""
+
+    def __call__(self, text: Union[str, Text]) -> Text:
+        """Highlight a str or Text instance.
+
+        Args:
+            text (Union[str, ~Text]): Text to highlight.
+
+        Raises:
+            TypeError: If not called with text or str.
+
+        Returns:
+            Text: A test instance with highlighting applied.
+        """
+        if isinstance(text, str):
+            highlight_text = Text(text)
+        elif isinstance(text, Text):
+            highlight_text = text.copy()
+        else:
+            raise TypeError(f"str or Text instance required, not {text!r}")
+        self.highlight(highlight_text)
+        return highlight_text
+
+    @abstractmethod
+    def highlight(self, text: Text) -> None:
+        """Apply highlighting in place to text.
+
+        Args:
+            text (~Text): A text object highlight.
+        """
+
+
+class NullHighlighter(Highlighter):
+    """A highlighter object that doesn't highlight.
+
+    May be used to disable highlighting entirely.
+
+    """
+
+    def highlight(self, text: Text) -> None:
+        """Nothing to do"""
+
+
+class RegexHighlighter(Highlighter):
+    """Applies highlighting from a list of regular expressions."""
+
+    highlights: List[str] = []
+    base_style: str = ""
+
+    def highlight(self, text: Text) -> None:
+        """Highlight :class:`rich.text.Text` using regular expressions.
+
+        Args:
+            text (~Text): Text to highlighted.
+
+        """
+
+        highlight_regex = text.highlight_regex
+        for re_highlight in self.highlights:
+            highlight_regex(re_highlight, style_prefix=self.base_style)
+
+
+class ReprHighlighter(RegexHighlighter):
+    """Highlights the text typically produced from ``__repr__`` methods."""
+
+    base_style = "repr."
+    highlights = [
+        r"(?P<tag_start>\<)(?P<tag_name>[\w\-\.\:]*)(?P<tag_contents>[\w\W]*?)(?P<tag_end>\>)",
+        r"(?P<attrib_name>[\w_]{1,50})=(?P<attrib_value>\"?[\w_]+\"?)?",
+        r"(?P<brace>[\{\[\(\)\]\}])",
+        _combine_regex(
+            r"(?P<ipv4>[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})",
+            r"(?P<ipv6>([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4})",
+            r"(?P<eui64>(?:[0-9A-Fa-f]{1,2}-){7}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{1,2}:){7}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{4}\.){3}[0-9A-Fa-f]{4})",
+            r"(?P<eui48>(?:[0-9A-Fa-f]{1,2}-){5}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{1,2}:){5}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{4}\.){2}[0-9A-Fa-f]{4})",
+            r"(?P<call>[\w\.]*?)\(",
+            r"\b(?P<bool_true>True)\b|\b(?P<bool_false>False)\b|\b(?P<none>None)\b",
+            r"(?P<ellipsis>\.\.\.)",
+            r"(?P<number>(?<!\w)\-?[0-9]+\.?[0-9]*(e[\-\+]?\d+?)?\b|0x[0-9a-fA-F]*)",
+            r"(?P<path>\B(\/[\w\.\-\_\+]+)*\/)(?P<filename>[\w\.\-\_\+]*)?",
+            r"(?<![\\\w])(?P<str>b?\'\'\'.*?(?<!\\)\'\'\'|b?\'.*?(?<!\\)\'|b?\"\"\".*?(?<!\\)\"\"\"|b?\".*?(?<!\\)\")",
+            r"(?P<uuid>[a-fA-F0-9]{8}\-[a-fA-F0-9]{4}\-[a-fA-F0-9]{4}\-[a-fA-F0-9]{4}\-[a-fA-F0-9]{12})",
+            r"(?P<url>(file|https|http|ws|wss):\/\/[0-9a-zA-Z\$\-\_\+\!`\(\)\,\.\?\/\;\:\&\=\%\#]*)",
+        ),
+    ]
+
+
+class JSONHighlighter(RegexHighlighter):
+    """Highlights JSON"""
+
+    base_style = "json."
+    highlights = [
+        _combine_regex(
+            r"(?P<brace>[\{\[\(\)\]\}])",
+            r"\b(?P<bool_true>true)\b|\b(?P<bool_false>false)\b|\b(?P<null>null)\b",
+            r"(?P<number>(?<!\w)\-?[0-9]+\.?[0-9]*(e[\-\+]?\d+?)?\b|0x[0-9a-fA-F]*)",
+            r"(?<![\\\w])(?P<str>b?\".*?(?<!\\)\")",
+        ),
+        r"(?<![\\\w])(?P<key>b?\".*?(?<!\\)\")\:",
+    ]
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .console import Console
+
+    console = Console()
+    console.print("[bold green]hello world![/bold green]")
+    console.print("'[bold green]hello world![/bold green]'")
+
+    console.print(" /foo")
+    console.print("/foo/")
+    console.print("/foo/bar")
+    console.print("foo/bar/baz")
+
+    console.print("/foo/bar/baz?foo=bar+egg&egg=baz")
+    console.print("/foo/bar/baz/")
+    console.print("/foo/bar/baz/egg")
+    console.print("/foo/bar/baz/egg.py")
+    console.print("/foo/bar/baz/egg.py word")
+    console.print(" /foo/bar/baz/egg.py word")
+    console.print("foo /foo/bar/baz/egg.py word")
+    console.print("foo /foo/bar/ba._++z/egg+.py word")
+    console.print("https://example.org?foo=bar#header")
+
+    console.print(1234567.34)
+    console.print(1 / 2)
+    console.print(-1 / 123123123123)
+
+    console.print(
+        "127.0.1.1 bar 192.168.1.4 2001:0db8:85a3:0000:0000:8a2e:0370:7334 foo"
+    )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/json.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/json.py
new file mode 100644
index 0000000000000000000000000000000000000000..23583871e8f2a466abec0bce1397fb495b9c212d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/json.py
@@ -0,0 +1,140 @@
+from json import loads, dumps
+from typing import Any, Callable, Optional, Union
+
+from .text import Text
+from .highlighter import JSONHighlighter, NullHighlighter
+
+
+class JSON:
+    """A renderable which pretty prints JSON.
+
+    Args:
+        json (str): JSON encoded data.
+        indent (Union[None, int, str], optional): Number of characters to indent by. Defaults to 2.
+        highlight (bool, optional): Enable highlighting. Defaults to True.
+        skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+        ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+        check_circular (bool, optional): Check for circular references. Defaults to True.
+        allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+        default (Callable, optional): A callable that converts values that can not be encoded
+            in to something that can be JSON encoded. Defaults to None.
+        sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+    """
+
+    def __init__(
+        self,
+        json: str,
+        indent: Union[None, int, str] = 2,
+        highlight: bool = True,
+        skip_keys: bool = False,
+        ensure_ascii: bool = True,
+        check_circular: bool = True,
+        allow_nan: bool = True,
+        default: Optional[Callable[[Any], Any]] = None,
+        sort_keys: bool = False,
+    ) -> None:
+        data = loads(json)
+        json = dumps(
+            data,
+            indent=indent,
+            skipkeys=skip_keys,
+            ensure_ascii=ensure_ascii,
+            check_circular=check_circular,
+            allow_nan=allow_nan,
+            default=default,
+            sort_keys=sort_keys,
+        )
+        highlighter = JSONHighlighter() if highlight else NullHighlighter()
+        self.text = highlighter(json)
+        self.text.no_wrap = True
+        self.text.overflow = None
+
+    @classmethod
+    def from_data(
+        cls,
+        data: Any,
+        indent: Union[None, int, str] = 2,
+        highlight: bool = True,
+        skip_keys: bool = False,
+        ensure_ascii: bool = True,
+        check_circular: bool = True,
+        allow_nan: bool = True,
+        default: Optional[Callable[[Any], Any]] = None,
+        sort_keys: bool = False,
+    ) -> "JSON":
+        """Encodes a JSON object from arbitrary data.
+
+        Args:
+            data (Any): An object that may be encoded in to JSON
+            indent (Union[None, int, str], optional): Number of characters to indent by. Defaults to 2.
+            highlight (bool, optional): Enable highlighting. Defaults to True.
+            default (Callable, optional): Optional callable which will be called for objects that cannot be serialized. Defaults to None.
+            skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+            ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+            check_circular (bool, optional): Check for circular references. Defaults to True.
+            allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+            default (Callable, optional): A callable that converts values that can not be encoded
+                in to something that can be JSON encoded. Defaults to None.
+            sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+
+        Returns:
+            JSON: New JSON object from the given data.
+        """
+        json_instance: "JSON" = cls.__new__(cls)
+        json = dumps(
+            data,
+            indent=indent,
+            skipkeys=skip_keys,
+            ensure_ascii=ensure_ascii,
+            check_circular=check_circular,
+            allow_nan=allow_nan,
+            default=default,
+            sort_keys=sort_keys,
+        )
+        highlighter = JSONHighlighter() if highlight else NullHighlighter()
+        json_instance.text = highlighter(json)
+        json_instance.text.no_wrap = True
+        json_instance.text.overflow = None
+        return json_instance
+
+    def __rich__(self) -> Text:
+        return self.text
+
+
+if __name__ == "__main__":
+
+    import argparse
+    import sys
+
+    parser = argparse.ArgumentParser(description="Pretty print json")
+    parser.add_argument(
+        "path",
+        metavar="PATH",
+        help="path to file, or - for stdin",
+    )
+    parser.add_argument(
+        "-i",
+        "--indent",
+        metavar="SPACES",
+        type=int,
+        help="Number of spaces in an indent",
+        default=2,
+    )
+    args = parser.parse_args()
+
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+    error_console = Console(stderr=True)
+
+    try:
+        if args.path == "-":
+            json_data = sys.stdin.read()
+        else:
+            with open(args.path, "rt") as json_file:
+                json_data = json_file.read()
+    except Exception as error:
+        error_console.print(f"Unable to read {args.path!r}; {error}")
+        sys.exit(-1)
+
+    console.print(JSON(json_data, indent=args.indent), soft_wrap=True)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/jupyter.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/jupyter.py
new file mode 100644
index 0000000000000000000000000000000000000000..bedf5cb19a385c8b57c5d0e71a32da52f34a5e78
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/jupyter.py
@@ -0,0 +1,92 @@
+from typing import Any, Dict, Iterable, List
+
+from . import get_console
+from .segment import Segment
+from .terminal_theme import DEFAULT_TERMINAL_THEME
+
+JUPYTER_HTML_FORMAT = """\
+<pre style="white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace">{code}</pre>
+"""
+
+
+class JupyterRenderable:
+    """A shim to write html to Jupyter notebook."""
+
+    def __init__(self, html: str, text: str) -> None:
+        self.html = html
+        self.text = text
+
+    def _repr_mimebundle_(
+        self, include: Iterable[str], exclude: Iterable[str], **kwargs: Any
+    ) -> Dict[str, str]:
+        data = {"text/plain": self.text, "text/html": self.html}
+        if include:
+            data = {k: v for (k, v) in data.items() if k in include}
+        if exclude:
+            data = {k: v for (k, v) in data.items() if k not in exclude}
+        return data
+
+
+class JupyterMixin:
+    """Add to an Rich renderable to make it render in Jupyter notebook."""
+
+    __slots__ = ()
+
+    def _repr_mimebundle_(
+        self, include: Iterable[str], exclude: Iterable[str], **kwargs: Any
+    ) -> Dict[str, str]:
+        console = get_console()
+        segments = list(console.render(self, console.options))  # type: ignore
+        html = _render_segments(segments)
+        text = console._render_buffer(segments)
+        data = {"text/plain": text, "text/html": html}
+        if include:
+            data = {k: v for (k, v) in data.items() if k in include}
+        if exclude:
+            data = {k: v for (k, v) in data.items() if k not in exclude}
+        return data
+
+
+def _render_segments(segments: Iterable[Segment]) -> str:
+    def escape(text: str) -> str:
+        """Escape html."""
+        return text.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
+
+    fragments: List[str] = []
+    append_fragment = fragments.append
+    theme = DEFAULT_TERMINAL_THEME
+    for text, style, control in Segment.simplify(segments):
+        if control:
+            continue
+        text = escape(text)
+        if style:
+            rule = style.get_html_style(theme)
+            text = f'<span style="{rule}">{text}</span>' if rule else text
+            if style.link:
+                text = f'<a href="{style.link}">{text}</a>'
+        append_fragment(text)
+
+    code = "".join(fragments)
+    html = JUPYTER_HTML_FORMAT.format(code=code)
+
+    return html
+
+
+def display(segments: Iterable[Segment], text: str) -> None:
+    """Render segments to Jupyter."""
+    html = _render_segments(segments)
+    jupyter_renderable = JupyterRenderable(html, text)
+    try:
+        from IPython.display import display as ipython_display
+
+        ipython_display(jupyter_renderable)
+    except ModuleNotFoundError:
+        # Handle the case where the Console has force_jupyter=True,
+        # but IPython is not installed.
+        pass
+
+
+def print(*args: Any, **kwargs: Any) -> None:
+    """Proxy for Console print."""
+    console = get_console()
+    return console.print(*args, **kwargs)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/layout.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/layout.py
new file mode 100644
index 0000000000000000000000000000000000000000..22a4c54786d753c4600e3a969a95c02883e50e3e
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/layout.py
@@ -0,0 +1,444 @@
+from abc import ABC, abstractmethod
+from itertools import islice
+from operator import itemgetter
+from threading import RLock
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+)
+
+from ._ratio import ratio_resolve
+from .align import Align
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .highlighter import ReprHighlighter
+from .panel import Panel
+from .pretty import Pretty
+from .repr import rich_repr, Result
+from .region import Region
+from .segment import Segment
+from .style import StyleType
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.tree import Tree
+
+
+class LayoutRender(NamedTuple):
+    """An individual layout render."""
+
+    region: Region
+    render: List[List[Segment]]
+
+
+RegionMap = Dict["Layout", Region]
+RenderMap = Dict["Layout", LayoutRender]
+
+
+class LayoutError(Exception):
+    """Layout related error."""
+
+
+class NoSplitter(LayoutError):
+    """Requested splitter does not exist."""
+
+
+class _Placeholder:
+    """An internal renderable used as a Layout placeholder."""
+
+    highlighter = ReprHighlighter()
+
+    def __init__(self, layout: "Layout", style: StyleType = "") -> None:
+        self.layout = layout
+        self.style = style
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        width = options.max_width
+        height = options.height or options.size.height
+        layout = self.layout
+        title = (
+            f"{layout.name!r} ({width} x {height})"
+            if layout.name
+            else f"({width} x {height})"
+        )
+        yield Panel(
+            Align.center(Pretty(layout), vertical="middle"),
+            style=self.style,
+            title=self.highlighter(title),
+            border_style="blue",
+        )
+
+
+class Splitter(ABC):
+    """Base class for a splitter."""
+
+    name: str = ""
+
+    @abstractmethod
+    def get_tree_icon(self) -> str:
+        """Get the icon (emoji) used in layout.tree"""
+
+    @abstractmethod
+    def divide(
+        self, children: Sequence["Layout"], region: Region
+    ) -> Iterable[Tuple["Layout", Region]]:
+        """Divide a region amongst several child layouts.
+
+        Args:
+            children (Sequence(Layout)): A number of child layouts.
+            region (Region): A rectangular region to divide.
+        """
+
+
+class RowSplitter(Splitter):
+    """Split a layout region in to rows."""
+
+    name = "row"
+
+    def get_tree_icon(self) -> str:
+        return "[layout.tree.row]⬌"
+
+    def divide(
+        self, children: Sequence["Layout"], region: Region
+    ) -> Iterable[Tuple["Layout", Region]]:
+        x, y, width, height = region
+        render_widths = ratio_resolve(width, children)
+        offset = 0
+        _Region = Region
+        for child, child_width in zip(children, render_widths):
+            yield child, _Region(x + offset, y, child_width, height)
+            offset += child_width
+
+
+class ColumnSplitter(Splitter):
+    """Split a layout region in to columns."""
+
+    name = "column"
+
+    def get_tree_icon(self) -> str:
+        return "[layout.tree.column]⬍"
+
+    def divide(
+        self, children: Sequence["Layout"], region: Region
+    ) -> Iterable[Tuple["Layout", Region]]:
+        x, y, width, height = region
+        render_heights = ratio_resolve(height, children)
+        offset = 0
+        _Region = Region
+        for child, child_height in zip(children, render_heights):
+            yield child, _Region(x, y + offset, width, child_height)
+            offset += child_height
+
+
+@rich_repr
+class Layout:
+    """A renderable to divide a fixed height in to rows or columns.
+
+    Args:
+        renderable (RenderableType, optional): Renderable content, or None for placeholder. Defaults to None.
+        name (str, optional): Optional identifier for Layout. Defaults to None.
+        size (int, optional): Optional fixed size of layout. Defaults to None.
+        minimum_size (int, optional): Minimum size of layout. Defaults to 1.
+        ratio (int, optional): Optional ratio for flexible layout. Defaults to 1.
+        visible (bool, optional): Visibility of layout. Defaults to True.
+    """
+
+    splitters = {"row": RowSplitter, "column": ColumnSplitter}
+
+    def __init__(
+        self,
+        renderable: Optional[RenderableType] = None,
+        *,
+        name: Optional[str] = None,
+        size: Optional[int] = None,
+        minimum_size: int = 1,
+        ratio: int = 1,
+        visible: bool = True,
+        height: Optional[int] = None,
+    ) -> None:
+        self._renderable = renderable or _Placeholder(self)
+        self.size = size
+        self.minimum_size = minimum_size
+        self.ratio = ratio
+        self.name = name
+        self.visible = visible
+        self.height = height
+        self.splitter: Splitter = self.splitters["column"]()
+        self._children: List[Layout] = []
+        self._render_map: RenderMap = {}
+        self._lock = RLock()
+
+    def __rich_repr__(self) -> Result:
+        yield "name", self.name, None
+        yield "size", self.size, None
+        yield "minimum_size", self.minimum_size, 1
+        yield "ratio", self.ratio, 1
+
+    @property
+    def renderable(self) -> RenderableType:
+        """Layout renderable."""
+        return self if self._children else self._renderable
+
+    @property
+    def children(self) -> List["Layout"]:
+        """Gets (visible) layout children."""
+        return [child for child in self._children if child.visible]
+
+    @property
+    def map(self) -> RenderMap:
+        """Get a map of the last render."""
+        return self._render_map
+
+    def get(self, name: str) -> Optional["Layout"]:
+        """Get a named layout, or None if it doesn't exist.
+
+        Args:
+            name (str): Name of layout.
+
+        Returns:
+            Optional[Layout]: Layout instance or None if no layout was found.
+        """
+        if self.name == name:
+            return self
+        else:
+            for child in self._children:
+                named_layout = child.get(name)
+                if named_layout is not None:
+                    return named_layout
+        return None
+
+    def __getitem__(self, name: str) -> "Layout":
+        layout = self.get(name)
+        if layout is None:
+            raise KeyError(f"No layout with name {name!r}")
+        return layout
+
+    @property
+    def tree(self) -> "Tree":
+        """Get a tree renderable to show layout structure."""
+        from pip._vendor.rich.styled import Styled
+        from pip._vendor.rich.table import Table
+        from pip._vendor.rich.tree import Tree
+
+        def summary(layout: "Layout") -> Table:
+
+            icon = layout.splitter.get_tree_icon()
+
+            table = Table.grid(padding=(0, 1, 0, 0))
+
+            text: RenderableType = (
+                Pretty(layout) if layout.visible else Styled(Pretty(layout), "dim")
+            )
+            table.add_row(icon, text)
+            _summary = table
+            return _summary
+
+        layout = self
+        tree = Tree(
+            summary(layout),
+            guide_style=f"layout.tree.{layout.splitter.name}",
+            highlight=True,
+        )
+
+        def recurse(tree: "Tree", layout: "Layout") -> None:
+            for child in layout._children:
+                recurse(
+                    tree.add(
+                        summary(child),
+                        guide_style=f"layout.tree.{child.splitter.name}",
+                    ),
+                    child,
+                )
+
+        recurse(tree, self)
+        return tree
+
+    def split(
+        self,
+        *layouts: Union["Layout", RenderableType],
+        splitter: Union[Splitter, str] = "column",
+    ) -> None:
+        """Split the layout in to multiple sub-layouts.
+
+        Args:
+            *layouts (Layout): Positional arguments should be (sub) Layout instances.
+            splitter (Union[Splitter, str]): Splitter instance or name of splitter.
+        """
+        _layouts = [
+            layout if isinstance(layout, Layout) else Layout(layout)
+            for layout in layouts
+        ]
+        try:
+            self.splitter = (
+                splitter
+                if isinstance(splitter, Splitter)
+                else self.splitters[splitter]()
+            )
+        except KeyError:
+            raise NoSplitter(f"No splitter called {splitter!r}")
+        self._children[:] = _layouts
+
+    def add_split(self, *layouts: Union["Layout", RenderableType]) -> None:
+        """Add a new layout(s) to existing split.
+
+        Args:
+            *layouts (Union[Layout, RenderableType]): Positional arguments should be renderables or (sub) Layout instances.
+
+        """
+        _layouts = (
+            layout if isinstance(layout, Layout) else Layout(layout)
+            for layout in layouts
+        )
+        self._children.extend(_layouts)
+
+    def split_row(self, *layouts: Union["Layout", RenderableType]) -> None:
+        """Split the layout in tow a row (Layouts side by side).
+
+        Args:
+            *layouts (Layout): Positional arguments should be (sub) Layout instances.
+        """
+        self.split(*layouts, splitter="row")
+
+    def split_column(self, *layouts: Union["Layout", RenderableType]) -> None:
+        """Split the layout in to a column (layouts stacked on top of each other).
+
+        Args:
+            *layouts (Layout): Positional arguments should be (sub) Layout instances.
+        """
+        self.split(*layouts, splitter="column")
+
+    def unsplit(self) -> None:
+        """Reset splits to initial state."""
+        del self._children[:]
+
+    def update(self, renderable: RenderableType) -> None:
+        """Update renderable.
+
+        Args:
+            renderable (RenderableType): New renderable object.
+        """
+        with self._lock:
+            self._renderable = renderable
+
+    def refresh_screen(self, console: "Console", layout_name: str) -> None:
+        """Refresh a sub-layout.
+
+        Args:
+            console (Console): Console instance where Layout is to be rendered.
+            layout_name (str): Name of layout.
+        """
+        with self._lock:
+            layout = self[layout_name]
+            region, _lines = self._render_map[layout]
+            (x, y, width, height) = region
+            lines = console.render_lines(
+                layout, console.options.update_dimensions(width, height)
+            )
+            self._render_map[layout] = LayoutRender(region, lines)
+            console.update_screen_lines(lines, x, y)
+
+    def _make_region_map(self, width: int, height: int) -> RegionMap:
+        """Create a dict that maps layout on to Region."""
+        stack: List[Tuple[Layout, Region]] = [(self, Region(0, 0, width, height))]
+        push = stack.append
+        pop = stack.pop
+        layout_regions: List[Tuple[Layout, Region]] = []
+        append_layout_region = layout_regions.append
+        while stack:
+            append_layout_region(pop())
+            layout, region = layout_regions[-1]
+            children = layout.children
+            if children:
+                for child_and_region in layout.splitter.divide(children, region):
+                    push(child_and_region)
+
+        region_map = {
+            layout: region
+            for layout, region in sorted(layout_regions, key=itemgetter(1))
+        }
+        return region_map
+
+    def render(self, console: Console, options: ConsoleOptions) -> RenderMap:
+        """Render the sub_layouts.
+
+        Args:
+            console (Console): Console instance.
+            options (ConsoleOptions): Console options.
+
+        Returns:
+            RenderMap: A dict that maps Layout on to a tuple of Region, lines
+        """
+        render_width = options.max_width
+        render_height = options.height or console.height
+        region_map = self._make_region_map(render_width, render_height)
+        layout_regions = [
+            (layout, region)
+            for layout, region in region_map.items()
+            if not layout.children
+        ]
+        render_map: Dict["Layout", "LayoutRender"] = {}
+        render_lines = console.render_lines
+        update_dimensions = options.update_dimensions
+
+        for layout, region in layout_regions:
+            lines = render_lines(
+                layout.renderable, update_dimensions(region.width, region.height)
+            )
+            render_map[layout] = LayoutRender(region, lines)
+        return render_map
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        with self._lock:
+            width = options.max_width or console.width
+            height = options.height or console.height
+            render_map = self.render(console, options.update_dimensions(width, height))
+            self._render_map = render_map
+            layout_lines: List[List[Segment]] = [[] for _ in range(height)]
+            _islice = islice
+            for (region, lines) in render_map.values():
+                _x, y, _layout_width, layout_height = region
+                for row, line in zip(
+                    _islice(layout_lines, y, y + layout_height), lines
+                ):
+                    row.extend(line)
+
+            new_line = Segment.line()
+            for layout_row in layout_lines:
+                yield from layout_row
+                yield new_line
+
+
+if __name__ == "__main__":
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+    layout = Layout()
+
+    layout.split_column(
+        Layout(name="header", size=3),
+        Layout(ratio=1, name="main"),
+        Layout(size=10, name="footer"),
+    )
+
+    layout["main"].split_row(Layout(name="side"), Layout(name="body", ratio=2))
+
+    layout["body"].split_row(Layout(name="content", ratio=2), Layout(name="s2"))
+
+    layout["s2"].split_column(
+        Layout(name="top"), Layout(name="middle"), Layout(name="bottom")
+    )
+
+    layout["side"].split_column(Layout(layout.tree, name="left1"), Layout(name="left2"))
+
+    layout["content"].update("foo")
+
+    console.print(layout)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/live.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/live.py
new file mode 100644
index 0000000000000000000000000000000000000000..6db5b605f907bd02911cd0f961dd5cab34a3e6fb
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/live.py
@@ -0,0 +1,365 @@
+import sys
+from threading import Event, RLock, Thread
+from types import TracebackType
+from typing import IO, Any, Callable, List, Optional, TextIO, Type, cast
+
+from . import get_console
+from .console import Console, ConsoleRenderable, RenderableType, RenderHook
+from .control import Control
+from .file_proxy import FileProxy
+from .jupyter import JupyterMixin
+from .live_render import LiveRender, VerticalOverflowMethod
+from .screen import Screen
+from .text import Text
+
+
+class _RefreshThread(Thread):
+    """A thread that calls refresh() at regular intervals."""
+
+    def __init__(self, live: "Live", refresh_per_second: float) -> None:
+        self.live = live
+        self.refresh_per_second = refresh_per_second
+        self.done = Event()
+        super().__init__(daemon=True)
+
+    def stop(self) -> None:
+        self.done.set()
+
+    def run(self) -> None:
+        while not self.done.wait(1 / self.refresh_per_second):
+            with self.live._lock:
+                if not self.done.is_set():
+                    self.live.refresh()
+
+
+class Live(JupyterMixin, RenderHook):
+    """Renders an auto-updating live display of any given renderable.
+
+    Args:
+        renderable (RenderableType, optional): The renderable to live display. Defaults to displaying nothing.
+        console (Console, optional): Optional Console instance. Default will an internal Console instance writing to stdout.
+        screen (bool, optional): Enable alternate screen mode. Defaults to False.
+        auto_refresh (bool, optional): Enable auto refresh. If disabled, you will need to call `refresh()` or `update()` with refresh flag. Defaults to True
+        refresh_per_second (float, optional): Number of times per second to refresh the live display. Defaults to 4.
+        transient (bool, optional): Clear the renderable on exit (has no effect when screen=True). Defaults to False.
+        redirect_stdout (bool, optional): Enable redirection of stdout, so ``print`` may be used. Defaults to True.
+        redirect_stderr (bool, optional): Enable redirection of stderr. Defaults to True.
+        vertical_overflow (VerticalOverflowMethod, optional): How to handle renderable when it is too tall for the console. Defaults to "ellipsis".
+        get_renderable (Callable[[], RenderableType], optional): Optional callable to get renderable. Defaults to None.
+    """
+
+    def __init__(
+        self,
+        renderable: Optional[RenderableType] = None,
+        *,
+        console: Optional[Console] = None,
+        screen: bool = False,
+        auto_refresh: bool = True,
+        refresh_per_second: float = 4,
+        transient: bool = False,
+        redirect_stdout: bool = True,
+        redirect_stderr: bool = True,
+        vertical_overflow: VerticalOverflowMethod = "ellipsis",
+        get_renderable: Optional[Callable[[], RenderableType]] = None,
+    ) -> None:
+        assert refresh_per_second > 0, "refresh_per_second must be > 0"
+        self._renderable = renderable
+        self.console = console if console is not None else get_console()
+        self._screen = screen
+        self._alt_screen = False
+
+        self._redirect_stdout = redirect_stdout
+        self._redirect_stderr = redirect_stderr
+        self._restore_stdout: Optional[IO[str]] = None
+        self._restore_stderr: Optional[IO[str]] = None
+
+        self._lock = RLock()
+        self.ipy_widget: Optional[Any] = None
+        self.auto_refresh = auto_refresh
+        self._started: bool = False
+        self.transient = True if screen else transient
+
+        self._refresh_thread: Optional[_RefreshThread] = None
+        self.refresh_per_second = refresh_per_second
+
+        self.vertical_overflow = vertical_overflow
+        self._get_renderable = get_renderable
+        self._live_render = LiveRender(
+            self.get_renderable(), vertical_overflow=vertical_overflow
+        )
+
+    @property
+    def is_started(self) -> bool:
+        """Check if live display has been started."""
+        return self._started
+
+    def get_renderable(self) -> RenderableType:
+        renderable = (
+            self._get_renderable()
+            if self._get_renderable is not None
+            else self._renderable
+        )
+        return renderable or ""
+
+    def start(self, refresh: bool = False) -> None:
+        """Start live rendering display.
+
+        Args:
+            refresh (bool, optional): Also refresh. Defaults to False.
+        """
+        with self._lock:
+            if self._started:
+                return
+            self.console.set_live(self)
+            self._started = True
+            if self._screen:
+                self._alt_screen = self.console.set_alt_screen(True)
+            self.console.show_cursor(False)
+            self._enable_redirect_io()
+            self.console.push_render_hook(self)
+            if refresh:
+                self.refresh()
+            if self.auto_refresh:
+                self._refresh_thread = _RefreshThread(self, self.refresh_per_second)
+                self._refresh_thread.start()
+
+    def stop(self) -> None:
+        """Stop live rendering display."""
+        with self._lock:
+            if not self._started:
+                return
+            self.console.clear_live()
+            self._started = False
+
+            if self.auto_refresh and self._refresh_thread is not None:
+                self._refresh_thread.stop()
+                self._refresh_thread = None
+            # allow it to fully render on the last even if overflow
+            self.vertical_overflow = "visible"
+            with self.console:
+                try:
+                    if not self._alt_screen and not self.console.is_jupyter:
+                        self.refresh()
+                finally:
+                    self._disable_redirect_io()
+                    self.console.pop_render_hook()
+                    if not self._alt_screen and self.console.is_terminal:
+                        self.console.line()
+                    self.console.show_cursor(True)
+                    if self._alt_screen:
+                        self.console.set_alt_screen(False)
+
+                    if self.transient and not self._alt_screen:
+                        self.console.control(self._live_render.restore_cursor())
+                    if self.ipy_widget is not None and self.transient:
+                        self.ipy_widget.close()  # pragma: no cover
+
+    def __enter__(self) -> "Live":
+        self.start(refresh=self._renderable is not None)
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.stop()
+
+    def _enable_redirect_io(self) -> None:
+        """Enable redirecting of stdout / stderr."""
+        if self.console.is_terminal or self.console.is_jupyter:
+            if self._redirect_stdout and not isinstance(sys.stdout, FileProxy):
+                self._restore_stdout = sys.stdout
+                sys.stdout = cast("TextIO", FileProxy(self.console, sys.stdout))
+            if self._redirect_stderr and not isinstance(sys.stderr, FileProxy):
+                self._restore_stderr = sys.stderr
+                sys.stderr = cast("TextIO", FileProxy(self.console, sys.stderr))
+
+    def _disable_redirect_io(self) -> None:
+        """Disable redirecting of stdout / stderr."""
+        if self._restore_stdout:
+            sys.stdout = cast("TextIO", self._restore_stdout)
+            self._restore_stdout = None
+        if self._restore_stderr:
+            sys.stderr = cast("TextIO", self._restore_stderr)
+            self._restore_stderr = None
+
+    @property
+    def renderable(self) -> RenderableType:
+        """Get the renderable that is being displayed
+
+        Returns:
+            RenderableType: Displayed renderable.
+        """
+        renderable = self.get_renderable()
+        return Screen(renderable) if self._alt_screen else renderable
+
+    def update(self, renderable: RenderableType, *, refresh: bool = False) -> None:
+        """Update the renderable that is being displayed
+
+        Args:
+            renderable (RenderableType): New renderable to use.
+            refresh (bool, optional): Refresh the display. Defaults to False.
+        """
+        with self._lock:
+            self._renderable = renderable
+            if refresh:
+                self.refresh()
+
+    def refresh(self) -> None:
+        """Update the display of the Live Render."""
+        with self._lock:
+            self._live_render.set_renderable(self.renderable)
+            if self.console.is_jupyter:  # pragma: no cover
+                try:
+                    from IPython.display import display
+                    from ipywidgets import Output
+                except ImportError:
+                    import warnings
+
+                    warnings.warn('install "ipywidgets" for Jupyter support')
+                else:
+                    if self.ipy_widget is None:
+                        self.ipy_widget = Output()
+                        display(self.ipy_widget)
+
+                    with self.ipy_widget:
+                        self.ipy_widget.clear_output(wait=True)
+                        self.console.print(self._live_render.renderable)
+            elif self.console.is_terminal and not self.console.is_dumb_terminal:
+                with self.console:
+                    self.console.print(Control())
+            elif (
+                not self._started and not self.transient
+            ):  # if it is finished allow files or dumb-terminals to see final result
+                with self.console:
+                    self.console.print(Control())
+
+    def process_renderables(
+        self, renderables: List[ConsoleRenderable]
+    ) -> List[ConsoleRenderable]:
+        """Process renderables to restore cursor and display progress."""
+        self._live_render.vertical_overflow = self.vertical_overflow
+        if self.console.is_interactive:
+            # lock needs acquiring as user can modify live_render renderable at any time unlike in Progress.
+            with self._lock:
+                reset = (
+                    Control.home()
+                    if self._alt_screen
+                    else self._live_render.position_cursor()
+                )
+                renderables = [reset, *renderables, self._live_render]
+        elif (
+            not self._started and not self.transient
+        ):  # if it is finished render the final output for files or dumb_terminals
+            renderables = [*renderables, self._live_render]
+
+        return renderables
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import random
+    import time
+    from itertools import cycle
+    from typing import Dict, List, Tuple
+
+    from .align import Align
+    from .console import Console
+    from .live import Live as Live
+    from .panel import Panel
+    from .rule import Rule
+    from .syntax import Syntax
+    from .table import Table
+
+    console = Console()
+
+    syntax = Syntax(
+        '''def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value''',
+        "python",
+        line_numbers=True,
+    )
+
+    table = Table("foo", "bar", "baz")
+    table.add_row("1", "2", "3")
+
+    progress_renderables = [
+        "You can make the terminal shorter and taller to see the live table hide"
+        "Text may be printed while the progress bars are rendering.",
+        Panel("In fact, [i]any[/i] renderable will work"),
+        "Such as [magenta]tables[/]...",
+        table,
+        "Pretty printed structures...",
+        {"type": "example", "text": "Pretty printed"},
+        "Syntax...",
+        syntax,
+        Rule("Give it a try!"),
+    ]
+
+    examples = cycle(progress_renderables)
+
+    exchanges = [
+        "SGD",
+        "MYR",
+        "EUR",
+        "USD",
+        "AUD",
+        "JPY",
+        "CNH",
+        "HKD",
+        "CAD",
+        "INR",
+        "DKK",
+        "GBP",
+        "RUB",
+        "NZD",
+        "MXN",
+        "IDR",
+        "TWD",
+        "THB",
+        "VND",
+    ]
+    with Live(console=console) as live_table:
+        exchange_rate_dict: Dict[Tuple[str, str], float] = {}
+
+        for index in range(100):
+            select_exchange = exchanges[index % len(exchanges)]
+
+            for exchange in exchanges:
+                if exchange == select_exchange:
+                    continue
+                time.sleep(0.4)
+                if random.randint(0, 10) < 1:
+                    console.log(next(examples))
+                exchange_rate_dict[(select_exchange, exchange)] = 200 / (
+                    (random.random() * 320) + 1
+                )
+                if len(exchange_rate_dict) > len(exchanges) - 1:
+                    exchange_rate_dict.pop(list(exchange_rate_dict.keys())[0])
+                table = Table(title="Exchange Rates")
+
+                table.add_column("Source Currency")
+                table.add_column("Destination Currency")
+                table.add_column("Exchange Rate")
+
+                for ((source, dest), exchange_rate) in exchange_rate_dict.items():
+                    table.add_row(
+                        source,
+                        dest,
+                        Text(
+                            f"{exchange_rate:.4f}",
+                            style="red" if exchange_rate < 1.0 else "green",
+                        ),
+                    )
+
+                live_table.update(Align.center(table))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/live_render.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/live_render.py
new file mode 100644
index 0000000000000000000000000000000000000000..b90fbf7f35097694f727e201b0b378942d70a443
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/live_render.py
@@ -0,0 +1,113 @@
+import sys
+from typing import Optional, Tuple
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+
+from ._loop import loop_last
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .control import Control
+from .segment import ControlType, Segment
+from .style import StyleType
+from .text import Text
+
+VerticalOverflowMethod = Literal["crop", "ellipsis", "visible"]
+
+
+class LiveRender:
+    """Creates a renderable that may be updated.
+
+    Args:
+        renderable (RenderableType): Any renderable object.
+        style (StyleType, optional): An optional style to apply to the renderable. Defaults to "".
+    """
+
+    def __init__(
+        self,
+        renderable: RenderableType,
+        style: StyleType = "",
+        vertical_overflow: VerticalOverflowMethod = "ellipsis",
+    ) -> None:
+        self.renderable = renderable
+        self.style = style
+        self.vertical_overflow = vertical_overflow
+        self._shape: Optional[Tuple[int, int]] = None
+
+    def set_renderable(self, renderable: RenderableType) -> None:
+        """Set a new renderable.
+
+        Args:
+            renderable (RenderableType): Any renderable object, including str.
+        """
+        self.renderable = renderable
+
+    def position_cursor(self) -> Control:
+        """Get control codes to move cursor to beginning of live render.
+
+        Returns:
+            Control: A control instance that may be printed.
+        """
+        if self._shape is not None:
+            _, height = self._shape
+            return Control(
+                ControlType.CARRIAGE_RETURN,
+                (ControlType.ERASE_IN_LINE, 2),
+                *(
+                    (
+                        (ControlType.CURSOR_UP, 1),
+                        (ControlType.ERASE_IN_LINE, 2),
+                    )
+                    * (height - 1)
+                )
+            )
+        return Control()
+
+    def restore_cursor(self) -> Control:
+        """Get control codes to clear the render and restore the cursor to its previous position.
+
+        Returns:
+            Control: A Control instance that may be printed.
+        """
+        if self._shape is not None:
+            _, height = self._shape
+            return Control(
+                ControlType.CARRIAGE_RETURN,
+                *((ControlType.CURSOR_UP, 1), (ControlType.ERASE_IN_LINE, 2)) * height
+            )
+        return Control()
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+
+        renderable = self.renderable
+        style = console.get_style(self.style)
+        lines = console.render_lines(renderable, options, style=style, pad=False)
+        shape = Segment.get_shape(lines)
+
+        _, height = shape
+        if height > options.size.height:
+            if self.vertical_overflow == "crop":
+                lines = lines[: options.size.height]
+                shape = Segment.get_shape(lines)
+            elif self.vertical_overflow == "ellipsis":
+                lines = lines[: (options.size.height - 1)]
+                overflow_text = Text(
+                    "...",
+                    overflow="crop",
+                    justify="center",
+                    end="",
+                    style="live.ellipsis",
+                )
+                lines.append(list(console.render(overflow_text)))
+                shape = Segment.get_shape(lines)
+        self._shape = shape
+
+        new_line = Segment.line()
+        for last, line in loop_last(lines):
+            yield from line
+            if not last:
+                yield new_line
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/logging.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/logging.py
new file mode 100644
index 0000000000000000000000000000000000000000..002f1f7bf1c6857bdcce388f78ac1e415ef8d3f5
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/logging.py
@@ -0,0 +1,268 @@
+import logging
+from datetime import datetime
+from logging import Handler, LogRecord
+from pathlib import Path
+from typing import ClassVar, List, Optional, Type, Union
+
+from . import get_console
+from ._log_render import LogRender, FormatTimeCallable
+from .console import Console, ConsoleRenderable
+from .highlighter import Highlighter, ReprHighlighter
+from .text import Text
+from .traceback import Traceback
+
+
+class RichHandler(Handler):
+    """A logging handler that renders output with Rich. The time / level / message and file are displayed in columns.
+    The level is color coded, and the message is syntax highlighted.
+
+    Note:
+        Be careful when enabling console markup in log messages if you have configured logging for libraries not
+        under your control. If a dependency writes messages containing square brackets, it may not produce the intended output.
+
+    Args:
+        level (Union[int, str], optional): Log level. Defaults to logging.NOTSET.
+        console (:class:`~rich.console.Console`, optional): Optional console instance to write logs.
+            Default will use a global console instance writing to stdout.
+        show_time (bool, optional): Show a column for the time. Defaults to True.
+        omit_repeated_times (bool, optional): Omit repetition of the same time. Defaults to True.
+        show_level (bool, optional): Show a column for the level. Defaults to True.
+        show_path (bool, optional): Show the path to the original log call. Defaults to True.
+        enable_link_path (bool, optional): Enable terminal link of path column to file. Defaults to True.
+        highlighter (Highlighter, optional): Highlighter to style log messages, or None to use ReprHighlighter. Defaults to None.
+        markup (bool, optional): Enable console markup in log messages. Defaults to False.
+        rich_tracebacks (bool, optional): Enable rich tracebacks with syntax highlighting and formatting. Defaults to False.
+        tracebacks_width (Optional[int], optional): Number of characters used to render tracebacks, or None for full width. Defaults to None.
+        tracebacks_extra_lines (int, optional): Additional lines of code to render tracebacks, or None for full width. Defaults to None.
+        tracebacks_theme (str, optional): Override pygments theme used in traceback.
+        tracebacks_word_wrap (bool, optional): Enable word wrapping of long tracebacks lines. Defaults to True.
+        tracebacks_show_locals (bool, optional): Enable display of locals in tracebacks. Defaults to False.
+        locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to 10.
+        locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+        log_time_format (Union[str, TimeFormatterCallable], optional): If ``log_time`` is enabled, either string for strftime or callable that formats the time. Defaults to "[%x %X] ".
+    """
+
+    KEYWORDS: ClassVar[Optional[List[str]]] = [
+        "GET",
+        "POST",
+        "HEAD",
+        "PUT",
+        "DELETE",
+        "OPTIONS",
+        "TRACE",
+        "PATCH",
+    ]
+    HIGHLIGHTER_CLASS: ClassVar[Type[Highlighter]] = ReprHighlighter
+
+    def __init__(
+        self,
+        level: Union[int, str] = logging.NOTSET,
+        console: Optional[Console] = None,
+        *,
+        show_time: bool = True,
+        omit_repeated_times: bool = True,
+        show_level: bool = True,
+        show_path: bool = True,
+        enable_link_path: bool = True,
+        highlighter: Optional[Highlighter] = None,
+        markup: bool = False,
+        rich_tracebacks: bool = False,
+        tracebacks_width: Optional[int] = None,
+        tracebacks_extra_lines: int = 3,
+        tracebacks_theme: Optional[str] = None,
+        tracebacks_word_wrap: bool = True,
+        tracebacks_show_locals: bool = False,
+        locals_max_length: int = 10,
+        locals_max_string: int = 80,
+        log_time_format: Union[str, FormatTimeCallable] = "[%x %X]",
+    ) -> None:
+        super().__init__(level=level)
+        self.console = console or get_console()
+        self.highlighter = highlighter or self.HIGHLIGHTER_CLASS()
+        self._log_render = LogRender(
+            show_time=show_time,
+            show_level=show_level,
+            show_path=show_path,
+            time_format=log_time_format,
+            omit_repeated_times=omit_repeated_times,
+            level_width=None,
+        )
+        self.enable_link_path = enable_link_path
+        self.markup = markup
+        self.rich_tracebacks = rich_tracebacks
+        self.tracebacks_width = tracebacks_width
+        self.tracebacks_extra_lines = tracebacks_extra_lines
+        self.tracebacks_theme = tracebacks_theme
+        self.tracebacks_word_wrap = tracebacks_word_wrap
+        self.tracebacks_show_locals = tracebacks_show_locals
+        self.locals_max_length = locals_max_length
+        self.locals_max_string = locals_max_string
+
+    def get_level_text(self, record: LogRecord) -> Text:
+        """Get the level name from the record.
+
+        Args:
+            record (LogRecord): LogRecord instance.
+
+        Returns:
+            Text: A tuple of the style and level name.
+        """
+        level_name = record.levelname
+        level_text = Text.styled(
+            level_name.ljust(8), f"logging.level.{level_name.lower()}"
+        )
+        return level_text
+
+    def emit(self, record: LogRecord) -> None:
+        """Invoked by logging."""
+        message = self.format(record)
+        traceback = None
+        if (
+            self.rich_tracebacks
+            and record.exc_info
+            and record.exc_info != (None, None, None)
+        ):
+            exc_type, exc_value, exc_traceback = record.exc_info
+            assert exc_type is not None
+            assert exc_value is not None
+            traceback = Traceback.from_exception(
+                exc_type,
+                exc_value,
+                exc_traceback,
+                width=self.tracebacks_width,
+                extra_lines=self.tracebacks_extra_lines,
+                theme=self.tracebacks_theme,
+                word_wrap=self.tracebacks_word_wrap,
+                show_locals=self.tracebacks_show_locals,
+                locals_max_length=self.locals_max_length,
+                locals_max_string=self.locals_max_string,
+            )
+            message = record.getMessage()
+            if self.formatter:
+                record.message = record.getMessage()
+                formatter = self.formatter
+                if hasattr(formatter, "usesTime") and formatter.usesTime():
+                    record.asctime = formatter.formatTime(record, formatter.datefmt)
+                message = formatter.formatMessage(record)
+
+        message_renderable = self.render_message(record, message)
+        log_renderable = self.render(
+            record=record, traceback=traceback, message_renderable=message_renderable
+        )
+        try:
+            self.console.print(log_renderable)
+        except Exception:
+            self.handleError(record)
+
+    def render_message(self, record: LogRecord, message: str) -> "ConsoleRenderable":
+        """Render message text in to Text.
+
+        record (LogRecord): logging Record.
+        message (str): String containing log message.
+
+        Returns:
+            ConsoleRenderable: Renderable to display log message.
+        """
+        use_markup = getattr(record, "markup", self.markup)
+        message_text = Text.from_markup(message) if use_markup else Text(message)
+
+        highlighter = getattr(record, "highlighter", self.highlighter)
+        if highlighter:
+            message_text = highlighter(message_text)
+
+        if self.KEYWORDS:
+            message_text.highlight_words(self.KEYWORDS, "logging.keyword")
+        return message_text
+
+    def render(
+        self,
+        *,
+        record: LogRecord,
+        traceback: Optional[Traceback],
+        message_renderable: "ConsoleRenderable",
+    ) -> "ConsoleRenderable":
+        """Render log for display.
+
+        Args:
+            record (LogRecord): logging Record.
+            traceback (Optional[Traceback]): Traceback instance or None for no Traceback.
+            message_renderable (ConsoleRenderable): Renderable (typically Text) containing log message contents.
+
+        Returns:
+            ConsoleRenderable: Renderable to display log.
+        """
+        path = Path(record.pathname).name
+        level = self.get_level_text(record)
+        time_format = None if self.formatter is None else self.formatter.datefmt
+        log_time = datetime.fromtimestamp(record.created)
+
+        log_renderable = self._log_render(
+            self.console,
+            [message_renderable] if not traceback else [message_renderable, traceback],
+            log_time=log_time,
+            time_format=time_format,
+            level=level,
+            path=path,
+            line_no=record.lineno,
+            link_path=record.pathname if self.enable_link_path else None,
+        )
+        return log_renderable
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from time import sleep
+
+    FORMAT = "%(message)s"
+    # FORMAT = "%(asctime)-15s - %(levelname)s - %(message)s"
+    logging.basicConfig(
+        level="NOTSET",
+        format=FORMAT,
+        datefmt="[%X]",
+        handlers=[RichHandler(rich_tracebacks=True, tracebacks_show_locals=True)],
+    )
+    log = logging.getLogger("rich")
+
+    log.info("Server starting...")
+    log.info("Listening on http://127.0.0.1:8080")
+    sleep(1)
+
+    log.info("GET /index.html 200 1298")
+    log.info("GET /imgs/backgrounds/back1.jpg 200 54386")
+    log.info("GET /css/styles.css 200 54386")
+    log.warning("GET /favicon.ico 404 242")
+    sleep(1)
+
+    log.debug(
+        "JSONRPC request\n--> %r\n<-- %r",
+        {
+            "version": "1.1",
+            "method": "confirmFruitPurchase",
+            "params": [["apple", "orange", "mangoes", "pomelo"], 1.123],
+            "id": "194521489",
+        },
+        {"version": "1.1", "result": True, "error": None, "id": "194521489"},
+    )
+    log.debug(
+        "Loading configuration file /adasd/asdasd/qeqwe/qwrqwrqwr/sdgsdgsdg/werwerwer/dfgerert/ertertert/ertetert/werwerwer"
+    )
+    log.error("Unable to find 'pomelo' in database!")
+    log.info("POST /jsonrpc/ 200 65532")
+    log.info("POST /admin/ 401 42234")
+    log.warning("password was rejected for admin site.")
+
+    def divide() -> None:
+        number = 1
+        divisor = 0
+        foos = ["foo"] * 100
+        log.debug("in divide")
+        try:
+            number / divisor
+        except:
+            log.exception("An error of some kind occurred!")
+
+    divide()
+    sleep(1)
+    log.critical("Out of memory!")
+    log.info("Server exited with code=-1")
+    log.info("[bold]EXITING...[/bold]", extra=dict(markup=True))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/markup.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/markup.py
new file mode 100644
index 0000000000000000000000000000000000000000..619540202cb554f93112b7779c235cf5309d499f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/markup.py
@@ -0,0 +1,244 @@
+from ast import literal_eval
+from operator import attrgetter
+import re
+from typing import Callable, Iterable, List, Match, NamedTuple, Optional, Tuple, Union
+
+from .errors import MarkupError
+from .style import Style
+from .text import Span, Text
+from .emoji import EmojiVariant
+from ._emoji_replace import _emoji_replace
+
+
+RE_TAGS = re.compile(
+    r"""((\\*)\[([a-z#\/@].*?)\])""",
+    re.VERBOSE,
+)
+
+RE_HANDLER = re.compile(r"^([\w\.]*?)(\(.*?\))?$")
+
+
+class Tag(NamedTuple):
+    """A tag in console markup."""
+
+    name: str
+    """The tag name. e.g. 'bold'."""
+    parameters: Optional[str]
+    """Any additional parameters after the name."""
+
+    def __str__(self) -> str:
+        return (
+            self.name if self.parameters is None else f"{self.name} {self.parameters}"
+        )
+
+    @property
+    def markup(self) -> str:
+        """Get the string representation of this tag."""
+        return (
+            f"[{self.name}]"
+            if self.parameters is None
+            else f"[{self.name}={self.parameters}]"
+        )
+
+
+_ReStringMatch = Match[str]  # regex match object
+_ReSubCallable = Callable[[_ReStringMatch], str]  # Callable invoked by re.sub
+_EscapeSubMethod = Callable[[_ReSubCallable, str], str]  # Sub method of a compiled re
+
+
+def escape(
+    markup: str, _escape: _EscapeSubMethod = re.compile(r"(\\*)(\[[a-z#\/@].*?\])").sub
+) -> str:
+    """Escapes text so that it won't be interpreted as markup.
+
+    Args:
+        markup (str): Content to be inserted in to markup.
+
+    Returns:
+        str: Markup with square brackets escaped.
+    """
+
+    def escape_backslashes(match: Match[str]) -> str:
+        """Called by re.sub replace matches."""
+        backslashes, text = match.groups()
+        return f"{backslashes}{backslashes}\\{text}"
+
+    markup = _escape(escape_backslashes, markup)
+    return markup
+
+
+def _parse(markup: str) -> Iterable[Tuple[int, Optional[str], Optional[Tag]]]:
+    """Parse markup in to an iterable of tuples of (position, text, tag).
+
+    Args:
+        markup (str): A string containing console markup
+
+    """
+    position = 0
+    _divmod = divmod
+    _Tag = Tag
+    for match in RE_TAGS.finditer(markup):
+        full_text, escapes, tag_text = match.groups()
+        start, end = match.span()
+        if start > position:
+            yield start, markup[position:start], None
+        if escapes:
+            backslashes, escaped = _divmod(len(escapes), 2)
+            if backslashes:
+                # Literal backslashes
+                yield start, "\\" * backslashes, None
+                start += backslashes * 2
+            if escaped:
+                # Escape of tag
+                yield start, full_text[len(escapes) :], None
+                position = end
+                continue
+        text, equals, parameters = tag_text.partition("=")
+        yield start, None, _Tag(text, parameters if equals else None)
+        position = end
+    if position < len(markup):
+        yield position, markup[position:], None
+
+
+def render(
+    markup: str,
+    style: Union[str, Style] = "",
+    emoji: bool = True,
+    emoji_variant: Optional[EmojiVariant] = None,
+) -> Text:
+    """Render console markup in to a Text instance.
+
+    Args:
+        markup (str): A string containing console markup.
+        emoji (bool, optional): Also render emoji code. Defaults to True.
+
+    Raises:
+        MarkupError: If there is a syntax error in the markup.
+
+    Returns:
+        Text: A test instance.
+    """
+    emoji_replace = _emoji_replace
+    if "[" not in markup:
+        return Text(
+            emoji_replace(markup, default_variant=emoji_variant) if emoji else markup,
+            style=style,
+        )
+    text = Text(style=style)
+    append = text.append
+    normalize = Style.normalize
+
+    style_stack: List[Tuple[int, Tag]] = []
+    pop = style_stack.pop
+
+    spans: List[Span] = []
+    append_span = spans.append
+
+    _Span = Span
+    _Tag = Tag
+
+    def pop_style(style_name: str) -> Tuple[int, Tag]:
+        """Pop tag matching given style name."""
+        for index, (_, tag) in enumerate(reversed(style_stack), 1):
+            if tag.name == style_name:
+                return pop(-index)
+        raise KeyError(style_name)
+
+    for position, plain_text, tag in _parse(markup):
+        if plain_text is not None:
+            append(emoji_replace(plain_text) if emoji else plain_text)
+        elif tag is not None:
+            if tag.name.startswith("/"):  # Closing tag
+                style_name = tag.name[1:].strip()
+
+                if style_name:  # explicit close
+                    style_name = normalize(style_name)
+                    try:
+                        start, open_tag = pop_style(style_name)
+                    except KeyError:
+                        raise MarkupError(
+                            f"closing tag '{tag.markup}' at position {position} doesn't match any open tag"
+                        ) from None
+                else:  # implicit close
+                    try:
+                        start, open_tag = pop()
+                    except IndexError:
+                        raise MarkupError(
+                            f"closing tag '[/]' at position {position} has nothing to close"
+                        ) from None
+
+                if open_tag.name.startswith("@"):
+                    if open_tag.parameters:
+                        handler_name = ""
+                        parameters = open_tag.parameters.strip()
+                        handler_match = RE_HANDLER.match(parameters)
+                        if handler_match is not None:
+                            handler_name, match_parameters = handler_match.groups()
+                            parameters = (
+                                "()" if match_parameters is None else match_parameters
+                            )
+
+                        try:
+                            meta_params = literal_eval(parameters)
+                        except SyntaxError as error:
+                            raise MarkupError(
+                                f"error parsing {parameters!r} in {open_tag.parameters!r}; {error.msg}"
+                            )
+                        except Exception as error:
+                            raise MarkupError(
+                                f"error parsing {open_tag.parameters!r}; {error}"
+                            ) from None
+
+                        if handler_name:
+                            meta_params = (
+                                handler_name,
+                                meta_params
+                                if isinstance(meta_params, tuple)
+                                else (meta_params,),
+                            )
+
+                    else:
+                        meta_params = ()
+
+                    append_span(
+                        _Span(
+                            start, len(text), Style(meta={open_tag.name: meta_params})
+                        )
+                    )
+                else:
+                    append_span(_Span(start, len(text), str(open_tag)))
+
+            else:  # Opening tag
+                normalized_tag = _Tag(normalize(tag.name), tag.parameters)
+                style_stack.append((len(text), normalized_tag))
+
+    text_length = len(text)
+    while style_stack:
+        start, tag = style_stack.pop()
+        style = str(tag)
+        if style:
+            append_span(_Span(start, text_length, style))
+
+    text.spans = sorted(spans[::-1], key=attrgetter("start"))
+    return text
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    MARKUP = [
+        "[red]Hello World[/red]",
+        "[magenta]Hello [b]World[/b]",
+        "[bold]Bold[italic] bold and italic [/bold]italic[/italic]",
+        "Click [link=https://www.willmcgugan.com]here[/link] to visit my Blog",
+        ":warning-emoji: [bold red blink] DANGER![/]",
+    ]
+
+    from pip._vendor.rich.table import Table
+    from pip._vendor.rich import print
+
+    grid = Table("Markup", "Result", padding=(0, 1))
+
+    for markup in MARKUP:
+        grid.add_row(Text(markup), markup)
+
+    print(grid)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/measure.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/measure.py
new file mode 100644
index 0000000000000000000000000000000000000000..aea238df93820df7caea490b842857405e19dc75
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/measure.py
@@ -0,0 +1,149 @@
+from operator import itemgetter
+from typing import Callable, Iterable, NamedTuple, Optional, TYPE_CHECKING
+
+from . import errors
+from .protocol import is_renderable, rich_cast
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType
+
+
+class Measurement(NamedTuple):
+    """Stores the minimum and maximum widths (in characters) required to render an object."""
+
+    minimum: int
+    """Minimum number of cells required to render."""
+    maximum: int
+    """Maximum number of cells required to render."""
+
+    @property
+    def span(self) -> int:
+        """Get difference between maximum and minimum."""
+        return self.maximum - self.minimum
+
+    def normalize(self) -> "Measurement":
+        """Get measurement that ensures that minimum <= maximum and minimum >= 0
+
+        Returns:
+            Measurement: A normalized measurement.
+        """
+        minimum, maximum = self
+        minimum = min(max(0, minimum), maximum)
+        return Measurement(max(0, minimum), max(0, max(minimum, maximum)))
+
+    def with_maximum(self, width: int) -> "Measurement":
+        """Get a RenderableWith where the widths are <= width.
+
+        Args:
+            width (int): Maximum desired width.
+
+        Returns:
+            Measurement: New Measurement object.
+        """
+        minimum, maximum = self
+        return Measurement(min(minimum, width), min(maximum, width))
+
+    def with_minimum(self, width: int) -> "Measurement":
+        """Get a RenderableWith where the widths are >= width.
+
+        Args:
+            width (int): Minimum desired width.
+
+        Returns:
+            Measurement: New Measurement object.
+        """
+        minimum, maximum = self
+        width = max(0, width)
+        return Measurement(max(minimum, width), max(maximum, width))
+
+    def clamp(
+        self, min_width: Optional[int] = None, max_width: Optional[int] = None
+    ) -> "Measurement":
+        """Clamp a measurement within the specified range.
+
+        Args:
+            min_width (int): Minimum desired width, or ``None`` for no minimum. Defaults to None.
+            max_width (int): Maximum desired width, or ``None`` for no maximum. Defaults to None.
+
+        Returns:
+            Measurement: New Measurement object.
+        """
+        measurement = self
+        if min_width is not None:
+            measurement = measurement.with_minimum(min_width)
+        if max_width is not None:
+            measurement = measurement.with_maximum(max_width)
+        return measurement
+
+    @classmethod
+    def get(
+        cls, console: "Console", options: "ConsoleOptions", renderable: "RenderableType"
+    ) -> "Measurement":
+        """Get a measurement for a renderable.
+
+        Args:
+            console (~rich.console.Console): Console instance.
+            options (~rich.console.ConsoleOptions): Console options.
+            renderable (RenderableType): An object that may be rendered with Rich.
+
+        Raises:
+            errors.NotRenderableError: If the object is not renderable.
+
+        Returns:
+            Measurement: Measurement object containing range of character widths required to render the object.
+        """
+        _max_width = options.max_width
+        if _max_width < 1:
+            return Measurement(0, 0)
+        if isinstance(renderable, str):
+            renderable = console.render_str(renderable, markup=options.markup)
+        renderable = rich_cast(renderable)
+        if is_renderable(renderable):
+            get_console_width: Optional[
+                Callable[["Console", "ConsoleOptions"], "Measurement"]
+            ] = getattr(renderable, "__rich_measure__", None)
+            if get_console_width is not None:
+                render_width = (
+                    get_console_width(console, options)
+                    .normalize()
+                    .with_maximum(_max_width)
+                )
+                if render_width.maximum < 1:
+                    return Measurement(0, 0)
+                return render_width.normalize()
+            else:
+                return Measurement(0, _max_width)
+        else:
+            raise errors.NotRenderableError(
+                f"Unable to get render width for {renderable!r}; "
+                "a str, Segment, or object with __rich_console__ method is required"
+            )
+
+
+def measure_renderables(
+    console: "Console",
+    options: "ConsoleOptions",
+    renderables: Iterable["RenderableType"],
+) -> "Measurement":
+    """Get a measurement that would fit a number of renderables.
+
+    Args:
+        console (~rich.console.Console): Console instance.
+        options (~rich.console.ConsoleOptions): Console options.
+        renderables (Iterable[RenderableType]): One or more renderable objects.
+
+    Returns:
+        Measurement: Measurement object containing range of character widths required to
+            contain all given renderables.
+    """
+    if not renderables:
+        return Measurement(0, 0)
+    get_measurement = Measurement.get
+    measurements = [
+        get_measurement(console, options, renderable) for renderable in renderables
+    ]
+    measured_width = Measurement(
+        max(measurements, key=itemgetter(0)).minimum,
+        max(measurements, key=itemgetter(1)).maximum,
+    )
+    return measured_width
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/padding.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/padding.py
new file mode 100644
index 0000000000000000000000000000000000000000..1b2204f59f2ce4d9c8f2cca85326e4d81f8805bb
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/padding.py
@@ -0,0 +1,141 @@
+from typing import cast, List, Optional, Tuple, TYPE_CHECKING, Union
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        RenderableType,
+        RenderResult,
+    )
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .style import Style
+from .segment import Segment
+
+
+PaddingDimensions = Union[int, Tuple[int], Tuple[int, int], Tuple[int, int, int, int]]
+
+
+class Padding(JupyterMixin):
+    """Draw space around content.
+
+    Example:
+        >>> print(Padding("Hello", (2, 4), style="on blue"))
+
+    Args:
+        renderable (RenderableType): String or other renderable.
+        pad (Union[int, Tuple[int]]): Padding for top, right, bottom, and left borders.
+            May be specified with 1, 2, or 4 integers (CSS style).
+        style (Union[str, Style], optional): Style for padding characters. Defaults to "none".
+        expand (bool, optional): Expand padding to fit available width. Defaults to True.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        pad: "PaddingDimensions" = (0, 0, 0, 0),
+        *,
+        style: Union[str, Style] = "none",
+        expand: bool = True,
+    ):
+        self.renderable = renderable
+        self.top, self.right, self.bottom, self.left = self.unpack(pad)
+        self.style = style
+        self.expand = expand
+
+    @classmethod
+    def indent(cls, renderable: "RenderableType", level: int) -> "Padding":
+        """Make padding instance to render an indent.
+
+        Args:
+            renderable (RenderableType): String or other renderable.
+            level (int): Number of characters to indent.
+
+        Returns:
+            Padding: A Padding instance.
+        """
+
+        return Padding(renderable, pad=(0, 0, 0, level), expand=False)
+
+    @staticmethod
+    def unpack(pad: "PaddingDimensions") -> Tuple[int, int, int, int]:
+        """Unpack padding specified in CSS style."""
+        if isinstance(pad, int):
+            return (pad, pad, pad, pad)
+        if len(pad) == 1:
+            _pad = pad[0]
+            return (_pad, _pad, _pad, _pad)
+        if len(pad) == 2:
+            pad_top, pad_right = cast(Tuple[int, int], pad)
+            return (pad_top, pad_right, pad_top, pad_right)
+        if len(pad) == 4:
+            top, right, bottom, left = cast(Tuple[int, int, int, int], pad)
+            return (top, right, bottom, left)
+        raise ValueError(f"1, 2 or 4 integers required for padding; {len(pad)} given")
+
+    def __repr__(self) -> str:
+        return f"Padding({self.renderable!r}, ({self.top},{self.right},{self.bottom},{self.left}))"
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        style = console.get_style(self.style)
+        if self.expand:
+            width = options.max_width
+        else:
+            width = min(
+                Measurement.get(console, options, self.renderable).maximum
+                + self.left
+                + self.right,
+                options.max_width,
+            )
+        render_options = options.update_width(width - self.left - self.right)
+        if render_options.height is not None:
+            render_options = render_options.update_height(
+                height=render_options.height - self.top - self.bottom
+            )
+        lines = console.render_lines(
+            self.renderable, render_options, style=style, pad=True
+        )
+        _Segment = Segment
+
+        left = _Segment(" " * self.left, style) if self.left else None
+        right = (
+            [_Segment(f'{" " * self.right}', style), _Segment.line()]
+            if self.right
+            else [_Segment.line()]
+        )
+        blank_line: Optional[List[Segment]] = None
+        if self.top:
+            blank_line = [_Segment(f'{" " * width}\n', style)]
+            yield from blank_line * self.top
+        if left:
+            for line in lines:
+                yield left
+                yield from line
+                yield from right
+        else:
+            for line in lines:
+                yield from line
+                yield from right
+        if self.bottom:
+            blank_line = blank_line or [_Segment(f'{" " * width}\n', style)]
+            yield from blank_line * self.bottom
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        max_width = options.max_width
+        extra_width = self.left + self.right
+        if max_width - extra_width < 1:
+            return Measurement(max_width, max_width)
+        measure_min, measure_max = Measurement.get(console, options, self.renderable)
+        measurement = Measurement(measure_min + extra_width, measure_max + extra_width)
+        measurement = measurement.with_maximum(max_width)
+        return measurement
+
+
+if __name__ == "__main__":  #  pragma: no cover
+    from pip._vendor.rich import print
+
+    print(Padding("Hello, World", (2, 4), style="on blue"))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/pager.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/pager.py
new file mode 100644
index 0000000000000000000000000000000000000000..dbfb973e368c56013386d8a75585b99297d48b4b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/pager.py
@@ -0,0 +1,34 @@
+from abc import ABC, abstractmethod
+from typing import Any, Callable
+
+
+class Pager(ABC):
+    """Base class for a pager."""
+
+    @abstractmethod
+    def show(self, content: str) -> None:
+        """Show content in pager.
+
+        Args:
+            content (str): Content to be displayed.
+        """
+
+
+class SystemPager(Pager):
+    """Uses the pager installed on the system."""
+
+    def _pager(self, content: str) -> Any:  #  pragma: no cover
+        return __import__("pydoc").pager(content)
+
+    def show(self, content: str) -> None:
+        """Use the same pager used by pydoc."""
+        self._pager(content)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .__main__ import make_test_card
+    from .console import Console
+
+    console = Console()
+    with console.pager(styles=True):
+        console.print(make_test_card())
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/palette.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/palette.py
new file mode 100644
index 0000000000000000000000000000000000000000..fa0c4dd40381addf5b42fae4228b6d8fef03abd9
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/palette.py
@@ -0,0 +1,100 @@
+from math import sqrt
+from functools import lru_cache
+from typing import Sequence, Tuple, TYPE_CHECKING
+
+from .color_triplet import ColorTriplet
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.table import Table
+
+
+class Palette:
+    """A palette of available colors."""
+
+    def __init__(self, colors: Sequence[Tuple[int, int, int]]):
+        self._colors = colors
+
+    def __getitem__(self, number: int) -> ColorTriplet:
+        return ColorTriplet(*self._colors[number])
+
+    def __rich__(self) -> "Table":
+        from pip._vendor.rich.color import Color
+        from pip._vendor.rich.style import Style
+        from pip._vendor.rich.text import Text
+        from pip._vendor.rich.table import Table
+
+        table = Table(
+            "index",
+            "RGB",
+            "Color",
+            title="Palette",
+            caption=f"{len(self._colors)} colors",
+            highlight=True,
+            caption_justify="right",
+        )
+        for index, color in enumerate(self._colors):
+            table.add_row(
+                str(index),
+                repr(color),
+                Text(" " * 16, style=Style(bgcolor=Color.from_rgb(*color))),
+            )
+        return table
+
+    # This is somewhat inefficient and needs caching
+    @lru_cache(maxsize=1024)
+    def match(self, color: Tuple[int, int, int]) -> int:
+        """Find a color from a palette that most closely matches a given color.
+
+        Args:
+            color (Tuple[int, int, int]): RGB components in range 0 > 255.
+
+        Returns:
+            int: Index of closes matching color.
+        """
+        red1, green1, blue1 = color
+        _sqrt = sqrt
+        get_color = self._colors.__getitem__
+
+        def get_color_distance(index: int) -> float:
+            """Get the distance to a color."""
+            red2, green2, blue2 = get_color(index)
+            red_mean = (red1 + red2) // 2
+            red = red1 - red2
+            green = green1 - green2
+            blue = blue1 - blue2
+            return _sqrt(
+                (((512 + red_mean) * red * red) >> 8)
+                + 4 * green * green
+                + (((767 - red_mean) * blue * blue) >> 8)
+            )
+
+        min_index = min(range(len(self._colors)), key=get_color_distance)
+        return min_index
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import colorsys
+    from typing import Iterable
+    from pip._vendor.rich.color import Color
+    from pip._vendor.rich.console import Console, ConsoleOptions
+    from pip._vendor.rich.segment import Segment
+    from pip._vendor.rich.style import Style
+
+    class ColorBox:
+        def __rich_console__(
+            self, console: Console, options: ConsoleOptions
+        ) -> Iterable[Segment]:
+            height = console.size.height - 3
+            for y in range(0, height):
+                for x in range(options.max_width):
+                    h = x / options.max_width
+                    l = y / (height + 1)
+                    r1, g1, b1 = colorsys.hls_to_rgb(h, l, 1.0)
+                    r2, g2, b2 = colorsys.hls_to_rgb(h, l + (1 / height / 2), 1.0)
+                    bgcolor = Color.from_rgb(r1 * 255, g1 * 255, b1 * 255)
+                    color = Color.from_rgb(r2 * 255, g2 * 255, b2 * 255)
+                    yield Segment("▄", Style(color=color, bgcolor=bgcolor))
+                yield Segment.line()
+
+    console = Console()
+    console.print(ColorBox())
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/panel.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/panel.py
new file mode 100644
index 0000000000000000000000000000000000000000..151fe5f017f855f7df0150508ec0fb53f15abb60
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/panel.py
@@ -0,0 +1,250 @@
+from typing import Optional, TYPE_CHECKING
+
+from .box import Box, ROUNDED
+
+from .align import AlignMethod
+from .jupyter import JupyterMixin
+from .measure import Measurement, measure_renderables
+from .padding import Padding, PaddingDimensions
+from .style import StyleType
+from .text import Text, TextType
+from .segment import Segment
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType, RenderResult
+
+
+class Panel(JupyterMixin):
+    """A console renderable that draws a border around its contents.
+
+    Example:
+        >>> console.print(Panel("Hello, World!"))
+
+    Args:
+        renderable (RenderableType): A console renderable object.
+        box (Box, optional): A Box instance that defines the look of the border (see :ref:`appendix_box`.
+            Defaults to box.ROUNDED.
+        safe_box (bool, optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
+        expand (bool, optional): If True the panel will stretch to fill the console
+            width, otherwise it will be sized to fit the contents. Defaults to True.
+        style (str, optional): The style of the panel (border and contents). Defaults to "none".
+        border_style (str, optional): The style of the border. Defaults to "none".
+        width (Optional[int], optional): Optional width of panel. Defaults to None to auto-detect.
+        height (Optional[int], optional): Optional height of panel. Defaults to None to auto-detect.
+        padding (Optional[PaddingDimensions]): Optional padding around renderable. Defaults to 0.
+        highlight (bool, optional): Enable automatic highlighting of panel title (if str). Defaults to False.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        box: Box = ROUNDED,
+        *,
+        title: Optional[TextType] = None,
+        title_align: AlignMethod = "center",
+        subtitle: Optional[TextType] = None,
+        subtitle_align: AlignMethod = "center",
+        safe_box: Optional[bool] = None,
+        expand: bool = True,
+        style: StyleType = "none",
+        border_style: StyleType = "none",
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+        padding: PaddingDimensions = (0, 1),
+        highlight: bool = False,
+    ) -> None:
+        self.renderable = renderable
+        self.box = box
+        self.title = title
+        self.title_align: AlignMethod = title_align
+        self.subtitle = subtitle
+        self.subtitle_align = subtitle_align
+        self.safe_box = safe_box
+        self.expand = expand
+        self.style = style
+        self.border_style = border_style
+        self.width = width
+        self.height = height
+        self.padding = padding
+        self.highlight = highlight
+
+    @classmethod
+    def fit(
+        cls,
+        renderable: "RenderableType",
+        box: Box = ROUNDED,
+        *,
+        title: Optional[TextType] = None,
+        title_align: AlignMethod = "center",
+        subtitle: Optional[TextType] = None,
+        subtitle_align: AlignMethod = "center",
+        safe_box: Optional[bool] = None,
+        style: StyleType = "none",
+        border_style: StyleType = "none",
+        width: Optional[int] = None,
+        padding: PaddingDimensions = (0, 1),
+    ) -> "Panel":
+        """An alternative constructor that sets expand=False."""
+        return cls(
+            renderable,
+            box,
+            title=title,
+            title_align=title_align,
+            subtitle=subtitle,
+            subtitle_align=subtitle_align,
+            safe_box=safe_box,
+            style=style,
+            border_style=border_style,
+            width=width,
+            padding=padding,
+            expand=False,
+        )
+
+    @property
+    def _title(self) -> Optional[Text]:
+        if self.title:
+            title_text = (
+                Text.from_markup(self.title)
+                if isinstance(self.title, str)
+                else self.title.copy()
+            )
+            title_text.end = ""
+            title_text.plain = title_text.plain.replace("\n", " ")
+            title_text.no_wrap = True
+            title_text.expand_tabs()
+            title_text.pad(1)
+            return title_text
+        return None
+
+    @property
+    def _subtitle(self) -> Optional[Text]:
+        if self.subtitle:
+            subtitle_text = (
+                Text.from_markup(self.subtitle)
+                if isinstance(self.subtitle, str)
+                else self.subtitle.copy()
+            )
+            subtitle_text.end = ""
+            subtitle_text.plain = subtitle_text.plain.replace("\n", " ")
+            subtitle_text.no_wrap = True
+            subtitle_text.expand_tabs()
+            subtitle_text.pad(1)
+            return subtitle_text
+        return None
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        _padding = Padding.unpack(self.padding)
+        renderable = (
+            Padding(self.renderable, _padding) if any(_padding) else self.renderable
+        )
+        style = console.get_style(self.style)
+        border_style = style + console.get_style(self.border_style)
+        width = (
+            options.max_width
+            if self.width is None
+            else min(options.max_width, self.width)
+        )
+
+        safe_box: bool = console.safe_box if self.safe_box is None else self.safe_box
+        box = self.box.substitute(options, safe=safe_box)
+
+        title_text = self._title
+        if title_text is not None:
+            title_text.style = border_style
+
+        child_width = (
+            width - 2
+            if self.expand
+            else console.measure(
+                renderable, options=options.update_width(width - 2)
+            ).maximum
+        )
+        child_height = self.height or options.height or None
+        if child_height:
+            child_height -= 2
+        if title_text is not None:
+            child_width = min(
+                options.max_width - 2, max(child_width, title_text.cell_len + 2)
+            )
+
+        width = child_width + 2
+        child_options = options.update(
+            width=child_width, height=child_height, highlight=self.highlight
+        )
+        lines = console.render_lines(renderable, child_options, style=style)
+
+        line_start = Segment(box.mid_left, border_style)
+        line_end = Segment(f"{box.mid_right}", border_style)
+        new_line = Segment.line()
+        if title_text is None or width <= 4:
+            yield Segment(box.get_top([width - 2]), border_style)
+        else:
+            title_text.align(self.title_align, width - 4, character=box.top)
+            yield Segment(box.top_left + box.top, border_style)
+            yield from console.render(title_text)
+            yield Segment(box.top + box.top_right, border_style)
+
+        yield new_line
+        for line in lines:
+            yield line_start
+            yield from line
+            yield line_end
+            yield new_line
+
+        subtitle_text = self._subtitle
+        if subtitle_text is not None:
+            subtitle_text.style = border_style
+
+        if subtitle_text is None or width <= 4:
+            yield Segment(box.get_bottom([width - 2]), border_style)
+        else:
+            subtitle_text.align(self.subtitle_align, width - 4, character=box.bottom)
+            yield Segment(box.bottom_left + box.bottom, border_style)
+            yield from console.render(subtitle_text)
+            yield Segment(box.bottom + box.bottom_right, border_style)
+
+        yield new_line
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        _title = self._title
+        _, right, _, left = Padding.unpack(self.padding)
+        padding = left + right
+        renderables = [self.renderable, _title] if _title else [self.renderable]
+
+        if self.width is None:
+            width = (
+                measure_renderables(
+                    console,
+                    options.update_width(options.max_width - padding - 2),
+                    renderables,
+                ).maximum
+                + padding
+                + 2
+            )
+        else:
+            width = self.width
+        return Measurement(width, width)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .console import Console
+
+    c = Console()
+
+    from .padding import Padding
+    from .box import ROUNDED, DOUBLE
+
+    p = Panel(
+        "Hello, World!",
+        title="rich.Panel",
+        style="white on blue",
+        box=DOUBLE,
+        padding=1,
+    )
+
+    c.print()
+    c.print(p)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/pretty.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/pretty.py
new file mode 100644
index 0000000000000000000000000000000000000000..606ee33822aff7db27086df4da06d732dcd181b4
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/pretty.py
@@ -0,0 +1,903 @@
+import builtins
+import dataclasses
+import inspect
+import os
+import re
+import sys
+from array import array
+from collections import Counter, UserDict, UserList, defaultdict, deque
+from dataclasses import dataclass, fields, is_dataclass
+from inspect import isclass
+from itertools import islice
+from types import MappingProxyType
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    DefaultDict,
+    Dict,
+    Iterable,
+    List,
+    Optional,
+    Set,
+    Tuple,
+    Union,
+)
+
+from pip._vendor.rich.repr import RichReprResult
+
+try:
+    import attr as _attr_module
+except ImportError:  # pragma: no cover
+    _attr_module = None  # type: ignore
+
+
+from . import get_console
+from ._loop import loop_last
+from ._pick import pick_bool
+from .abc import RichRenderable
+from .cells import cell_len
+from .highlighter import ReprHighlighter
+from .jupyter import JupyterMixin, JupyterRenderable
+from .measure import Measurement
+from .text import Text
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        HighlighterType,
+        JustifyMethod,
+        OverflowMethod,
+        RenderResult,
+    )
+
+
+def _is_attr_object(obj: Any) -> bool:
+    """Check if an object was created with attrs module."""
+    return _attr_module is not None and _attr_module.has(type(obj))
+
+
+def _get_attr_fields(obj: Any) -> Iterable["_attr_module.Attribute[Any]"]:
+    """Get fields for an attrs object."""
+    return _attr_module.fields(type(obj)) if _attr_module is not None else []
+
+
+def _is_dataclass_repr(obj: object) -> bool:
+    """Check if an instance of a dataclass contains the default repr.
+
+    Args:
+        obj (object): A dataclass instance.
+
+    Returns:
+        bool: True if the default repr is used, False if there is a custom repr.
+    """
+    # Digging in to a lot of internals here
+    # Catching all exceptions in case something is missing on a non CPython implementation
+    try:
+        return obj.__repr__.__code__.co_filename == dataclasses.__file__
+    except Exception:  # pragma: no coverage
+        return False
+
+
+def _ipy_display_hook(
+    value: Any,
+    console: Optional["Console"] = None,
+    overflow: "OverflowMethod" = "ignore",
+    crop: bool = False,
+    indent_guides: bool = False,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    expand_all: bool = False,
+) -> None:
+    from .console import ConsoleRenderable  # needed here to prevent circular import
+
+    # always skip rich generated jupyter renderables or None values
+    if isinstance(value, JupyterRenderable) or value is None:
+        return
+
+    console = console or get_console()
+    if console.is_jupyter:
+        # Delegate rendering to IPython if the object (and IPython) supports it
+        #  https://ipython.readthedocs.io/en/stable/config/integrating.html#rich-display
+        ipython_repr_methods = [
+            "_repr_html_",
+            "_repr_markdown_",
+            "_repr_json_",
+            "_repr_latex_",
+            "_repr_jpeg_",
+            "_repr_png_",
+            "_repr_svg_",
+            "_repr_mimebundle_",
+        ]
+        for repr_method in ipython_repr_methods:
+            method = getattr(value, repr_method, None)
+            if inspect.ismethod(method):
+                # Calling the method ourselves isn't ideal. The interface for the `_repr_*_` methods
+                #  specifies that if they return None, then they should not be rendered
+                #  by the notebook.
+                try:
+                    repr_result = method()
+                except Exception:
+                    continue  # If the method raises, treat it as if it doesn't exist, try any others
+                if repr_result is not None:
+                    return  # Delegate rendering to IPython
+
+    # certain renderables should start on a new line
+    if isinstance(value, ConsoleRenderable):
+        console.line()
+
+    console.print(
+        value
+        if isinstance(value, RichRenderable)
+        else Pretty(
+            value,
+            overflow=overflow,
+            indent_guides=indent_guides,
+            max_length=max_length,
+            max_string=max_string,
+            expand_all=expand_all,
+            margin=12,
+        ),
+        crop=crop,
+        new_line_start=True,
+    )
+
+
+def install(
+    console: Optional["Console"] = None,
+    overflow: "OverflowMethod" = "ignore",
+    crop: bool = False,
+    indent_guides: bool = False,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    expand_all: bool = False,
+) -> None:
+    """Install automatic pretty printing in the Python REPL.
+
+    Args:
+        console (Console, optional): Console instance or ``None`` to use global console. Defaults to None.
+        overflow (Optional[OverflowMethod], optional): Overflow method. Defaults to "ignore".
+        crop (Optional[bool], optional): Enable cropping of long lines. Defaults to False.
+        indent_guides (bool, optional): Enable indentation guides. Defaults to False.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to None.
+        expand_all (bool, optional): Expand all containers. Defaults to False.
+        max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+    """
+    from pip._vendor.rich import get_console
+
+    console = console or get_console()
+    assert console is not None
+
+    def display_hook(value: Any) -> None:
+        """Replacement sys.displayhook which prettifies objects with Rich."""
+        if value is not None:
+            assert console is not None
+            builtins._ = None  # type: ignore
+            console.print(
+                value
+                if isinstance(value, RichRenderable)
+                else Pretty(
+                    value,
+                    overflow=overflow,
+                    indent_guides=indent_guides,
+                    max_length=max_length,
+                    max_string=max_string,
+                    expand_all=expand_all,
+                ),
+                crop=crop,
+            )
+            builtins._ = value  # type: ignore
+
+    try:  # pragma: no cover
+        ip = get_ipython()  # type: ignore
+        from IPython.core.formatters import BaseFormatter
+
+        class RichFormatter(BaseFormatter):  # type: ignore
+            pprint: bool = True
+
+            def __call__(self, value: Any) -> Any:
+                if self.pprint:
+                    return _ipy_display_hook(
+                        value,
+                        console=get_console(),
+                        overflow=overflow,
+                        indent_guides=indent_guides,
+                        max_length=max_length,
+                        max_string=max_string,
+                        expand_all=expand_all,
+                    )
+                else:
+                    return repr(value)
+
+        # replace plain text formatter with rich formatter
+        rich_formatter = RichFormatter()
+        ip.display_formatter.formatters["text/plain"] = rich_formatter
+    except Exception:
+        sys.displayhook = display_hook
+
+
+class Pretty(JupyterMixin):
+    """A rich renderable that pretty prints an object.
+
+    Args:
+        _object (Any): An object to pretty print.
+        highlighter (HighlighterType, optional): Highlighter object to apply to result, or None for ReprHighlighter. Defaults to None.
+        indent_size (int, optional): Number of spaces in indent. Defaults to 4.
+        justify (JustifyMethod, optional): Justify method, or None for default. Defaults to None.
+        overflow (OverflowMethod, optional): Overflow method, or None for default. Defaults to None.
+        no_wrap (Optional[bool], optional): Disable word wrapping. Defaults to False.
+        indent_guides (bool, optional): Enable indentation guides. Defaults to False.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to None.
+        max_depth (int, optional): Maximum depth of nested data structures, or None for no maximum. Defaults to None.
+        expand_all (bool, optional): Expand all containers. Defaults to False.
+        margin (int, optional): Subtrace a margin from width to force containers to expand earlier. Defaults to 0.
+        insert_line (bool, optional): Insert a new line if the output has multiple new lines. Defaults to False.
+    """
+
+    def __init__(
+        self,
+        _object: Any,
+        highlighter: Optional["HighlighterType"] = None,
+        *,
+        indent_size: int = 4,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = False,
+        indent_guides: bool = False,
+        max_length: Optional[int] = None,
+        max_string: Optional[int] = None,
+        max_depth: Optional[int] = None,
+        expand_all: bool = False,
+        margin: int = 0,
+        insert_line: bool = False,
+    ) -> None:
+        self._object = _object
+        self.highlighter = highlighter or ReprHighlighter()
+        self.indent_size = indent_size
+        self.justify: Optional["JustifyMethod"] = justify
+        self.overflow: Optional["OverflowMethod"] = overflow
+        self.no_wrap = no_wrap
+        self.indent_guides = indent_guides
+        self.max_length = max_length
+        self.max_string = max_string
+        self.max_depth = max_depth
+        self.expand_all = expand_all
+        self.margin = margin
+        self.insert_line = insert_line
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        pretty_str = pretty_repr(
+            self._object,
+            max_width=options.max_width - self.margin,
+            indent_size=self.indent_size,
+            max_length=self.max_length,
+            max_string=self.max_string,
+            max_depth=self.max_depth,
+            expand_all=self.expand_all,
+        )
+        pretty_text = Text(
+            pretty_str,
+            justify=self.justify or options.justify,
+            overflow=self.overflow or options.overflow,
+            no_wrap=pick_bool(self.no_wrap, options.no_wrap),
+            style="pretty",
+        )
+        pretty_text = (
+            self.highlighter(pretty_text)
+            if pretty_text
+            else Text(
+                f"{type(self._object)}.__repr__ returned empty string",
+                style="dim italic",
+            )
+        )
+        if self.indent_guides and not options.ascii_only:
+            pretty_text = pretty_text.with_indent_guides(
+                self.indent_size, style="repr.indent"
+            )
+        if self.insert_line and "\n" in pretty_text:
+            yield ""
+        yield pretty_text
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        pretty_str = pretty_repr(
+            self._object,
+            max_width=options.max_width,
+            indent_size=self.indent_size,
+            max_length=self.max_length,
+            max_string=self.max_string,
+        )
+        text_width = (
+            max(cell_len(line) for line in pretty_str.splitlines()) if pretty_str else 0
+        )
+        return Measurement(text_width, text_width)
+
+
+def _get_braces_for_defaultdict(_object: DefaultDict[Any, Any]) -> Tuple[str, str, str]:
+    return (
+        f"defaultdict({_object.default_factory!r}, {{",
+        "})",
+        f"defaultdict({_object.default_factory!r}, {{}})",
+    )
+
+
+def _get_braces_for_array(_object: "array[Any]") -> Tuple[str, str, str]:
+    return (f"array({_object.typecode!r}, [", "])", "array({_object.typecode!r})")
+
+
+_BRACES: Dict[type, Callable[[Any], Tuple[str, str, str]]] = {
+    os._Environ: lambda _object: ("environ({", "})", "environ({})"),
+    array: _get_braces_for_array,
+    defaultdict: _get_braces_for_defaultdict,
+    Counter: lambda _object: ("Counter({", "})", "Counter()"),
+    deque: lambda _object: ("deque([", "])", "deque()"),
+    dict: lambda _object: ("{", "}", "{}"),
+    UserDict: lambda _object: ("{", "}", "{}"),
+    frozenset: lambda _object: ("frozenset({", "})", "frozenset()"),
+    list: lambda _object: ("[", "]", "[]"),
+    UserList: lambda _object: ("[", "]", "[]"),
+    set: lambda _object: ("{", "}", "set()"),
+    tuple: lambda _object: ("(", ")", "()"),
+    MappingProxyType: lambda _object: ("mappingproxy({", "})", "mappingproxy({})"),
+}
+_CONTAINERS = tuple(_BRACES.keys())
+_MAPPING_CONTAINERS = (dict, os._Environ, MappingProxyType, UserDict)
+
+
+def is_expandable(obj: Any) -> bool:
+    """Check if an object may be expanded by pretty print."""
+    return (
+        isinstance(obj, _CONTAINERS)
+        or (is_dataclass(obj))
+        or (hasattr(obj, "__rich_repr__"))
+        or _is_attr_object(obj)
+    ) and not isclass(obj)
+
+
+@dataclass
+class Node:
+    """A node in a repr tree. May be atomic or a container."""
+
+    key_repr: str = ""
+    value_repr: str = ""
+    open_brace: str = ""
+    close_brace: str = ""
+    empty: str = ""
+    last: bool = False
+    is_tuple: bool = False
+    children: Optional[List["Node"]] = None
+    key_separator = ": "
+    separator: str = ", "
+
+    def iter_tokens(self) -> Iterable[str]:
+        """Generate tokens for this node."""
+        if self.key_repr:
+            yield self.key_repr
+            yield self.key_separator
+        if self.value_repr:
+            yield self.value_repr
+        elif self.children is not None:
+            if self.children:
+                yield self.open_brace
+                if self.is_tuple and len(self.children) == 1:
+                    yield from self.children[0].iter_tokens()
+                    yield ","
+                else:
+                    for child in self.children:
+                        yield from child.iter_tokens()
+                        if not child.last:
+                            yield self.separator
+                yield self.close_brace
+            else:
+                yield self.empty
+
+    def check_length(self, start_length: int, max_length: int) -> bool:
+        """Check the length fits within a limit.
+
+        Args:
+            start_length (int): Starting length of the line (indent, prefix, suffix).
+            max_length (int): Maximum length.
+
+        Returns:
+            bool: True if the node can be rendered within max length, otherwise False.
+        """
+        total_length = start_length
+        for token in self.iter_tokens():
+            total_length += cell_len(token)
+            if total_length > max_length:
+                return False
+        return True
+
+    def __str__(self) -> str:
+        repr_text = "".join(self.iter_tokens())
+        return repr_text
+
+    def render(
+        self, max_width: int = 80, indent_size: int = 4, expand_all: bool = False
+    ) -> str:
+        """Render the node to a pretty repr.
+
+        Args:
+            max_width (int, optional): Maximum width of the repr. Defaults to 80.
+            indent_size (int, optional): Size of indents. Defaults to 4.
+            expand_all (bool, optional): Expand all levels. Defaults to False.
+
+        Returns:
+            str: A repr string of the original object.
+        """
+        lines = [_Line(node=self, is_root=True)]
+        line_no = 0
+        while line_no < len(lines):
+            line = lines[line_no]
+            if line.expandable and not line.expanded:
+                if expand_all or not line.check_length(max_width):
+                    lines[line_no : line_no + 1] = line.expand(indent_size)
+            line_no += 1
+
+        repr_str = "\n".join(str(line) for line in lines)
+        return repr_str
+
+
+@dataclass
+class _Line:
+    """A line in repr output."""
+
+    parent: Optional["_Line"] = None
+    is_root: bool = False
+    node: Optional[Node] = None
+    text: str = ""
+    suffix: str = ""
+    whitespace: str = ""
+    expanded: bool = False
+    last: bool = False
+
+    @property
+    def expandable(self) -> bool:
+        """Check if the line may be expanded."""
+        return bool(self.node is not None and self.node.children)
+
+    def check_length(self, max_length: int) -> bool:
+        """Check this line fits within a given number of cells."""
+        start_length = (
+            len(self.whitespace) + cell_len(self.text) + cell_len(self.suffix)
+        )
+        assert self.node is not None
+        return self.node.check_length(start_length, max_length)
+
+    def expand(self, indent_size: int) -> Iterable["_Line"]:
+        """Expand this line by adding children on their own line."""
+        node = self.node
+        assert node is not None
+        whitespace = self.whitespace
+        assert node.children
+        if node.key_repr:
+            new_line = yield _Line(
+                text=f"{node.key_repr}{node.key_separator}{node.open_brace}",
+                whitespace=whitespace,
+            )
+        else:
+            new_line = yield _Line(text=node.open_brace, whitespace=whitespace)
+        child_whitespace = self.whitespace + " " * indent_size
+        tuple_of_one = node.is_tuple and len(node.children) == 1
+        for last, child in loop_last(node.children):
+            separator = "," if tuple_of_one else node.separator
+            line = _Line(
+                parent=new_line,
+                node=child,
+                whitespace=child_whitespace,
+                suffix=separator,
+                last=last and not tuple_of_one,
+            )
+            yield line
+
+        yield _Line(
+            text=node.close_brace,
+            whitespace=whitespace,
+            suffix=self.suffix,
+            last=self.last,
+        )
+
+    def __str__(self) -> str:
+        if self.last:
+            return f"{self.whitespace}{self.text}{self.node or ''}"
+        else:
+            return (
+                f"{self.whitespace}{self.text}{self.node or ''}{self.suffix.rstrip()}"
+            )
+
+
+def traverse(
+    _object: Any,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+) -> Node:
+    """Traverse object and generate a tree.
+
+    Args:
+        _object (Any): Object to be traversed.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable truncating.
+            Defaults to None.
+        max_depth (int, optional): Maximum depth of data structures, or None for no maximum.
+            Defaults to None.
+
+    Returns:
+        Node: The root of a tree structure which can be used to render a pretty repr.
+    """
+
+    def to_repr(obj: Any) -> str:
+        """Get repr string for an object, but catch errors."""
+        if (
+            max_string is not None
+            and isinstance(obj, (bytes, str))
+            and len(obj) > max_string
+        ):
+            truncated = len(obj) - max_string
+            obj_repr = f"{obj[:max_string]!r}+{truncated}"
+        else:
+            try:
+                obj_repr = repr(obj)
+            except Exception as error:
+                obj_repr = f"<repr-error {str(error)!r}>"
+        return obj_repr
+
+    visited_ids: Set[int] = set()
+    push_visited = visited_ids.add
+    pop_visited = visited_ids.remove
+
+    def _traverse(obj: Any, root: bool = False, depth: int = 0) -> Node:
+        """Walk the object depth first."""
+
+        obj_type = type(obj)
+        py_version = (sys.version_info.major, sys.version_info.minor)
+        children: List[Node]
+        reached_max_depth = max_depth is not None and depth >= max_depth
+
+        def iter_rich_args(rich_args: Any) -> Iterable[Union[Any, Tuple[str, Any]]]:
+            for arg in rich_args:
+                if isinstance(arg, tuple):
+                    if len(arg) == 3:
+                        key, child, default = arg
+                        if default == child:
+                            continue
+                        yield key, child
+                    elif len(arg) == 2:
+                        key, child = arg
+                        yield key, child
+                    elif len(arg) == 1:
+                        yield arg[0]
+                else:
+                    yield arg
+
+        try:
+            fake_attributes = hasattr(
+                obj, "awehoi234_wdfjwljet234_234wdfoijsdfmmnxpi492"
+            )
+        except Exception:
+            fake_attributes = False
+
+        rich_repr_result: Optional[RichReprResult] = None
+        if not fake_attributes:
+            try:
+                if hasattr(obj, "__rich_repr__") and not isclass(obj):
+                    rich_repr_result = obj.__rich_repr__()
+            except Exception:
+                pass
+
+        if rich_repr_result is not None:
+            angular = getattr(obj.__rich_repr__, "angular", False)
+            args = list(iter_rich_args(rich_repr_result))
+            class_name = obj.__class__.__name__
+
+            if args:
+                children = []
+                append = children.append
+
+                if reached_max_depth:
+                    node = Node(value_repr=f"...")
+                else:
+                    if angular:
+                        node = Node(
+                            open_brace=f"<{class_name} ",
+                            close_brace=">",
+                            children=children,
+                            last=root,
+                            separator=" ",
+                        )
+                    else:
+                        node = Node(
+                            open_brace=f"{class_name}(",
+                            close_brace=")",
+                            children=children,
+                            last=root,
+                        )
+                    for last, arg in loop_last(args):
+                        if isinstance(arg, tuple):
+                            key, child = arg
+                            child_node = _traverse(child, depth=depth + 1)
+                            child_node.last = last
+                            child_node.key_repr = key
+                            child_node.key_separator = "="
+                            append(child_node)
+                        else:
+                            child_node = _traverse(arg, depth=depth + 1)
+                            child_node.last = last
+                            append(child_node)
+            else:
+                node = Node(
+                    value_repr=f"<{class_name}>" if angular else f"{class_name}()",
+                    children=[],
+                    last=root,
+                )
+        elif _is_attr_object(obj) and not fake_attributes:
+            children = []
+            append = children.append
+
+            attr_fields = _get_attr_fields(obj)
+            if attr_fields:
+                if reached_max_depth:
+                    node = Node(value_repr=f"...")
+                else:
+                    node = Node(
+                        open_brace=f"{obj.__class__.__name__}(",
+                        close_brace=")",
+                        children=children,
+                        last=root,
+                    )
+
+                    def iter_attrs() -> Iterable[
+                        Tuple[str, Any, Optional[Callable[[Any], str]]]
+                    ]:
+                        """Iterate over attr fields and values."""
+                        for attr in attr_fields:
+                            if attr.repr:
+                                try:
+                                    value = getattr(obj, attr.name)
+                                except Exception as error:
+                                    # Can happen, albeit rarely
+                                    yield (attr.name, error, None)
+                                else:
+                                    yield (
+                                        attr.name,
+                                        value,
+                                        attr.repr if callable(attr.repr) else None,
+                                    )
+
+                    for last, (name, value, repr_callable) in loop_last(iter_attrs()):
+                        if repr_callable:
+                            child_node = Node(value_repr=str(repr_callable(value)))
+                        else:
+                            child_node = _traverse(value, depth=depth + 1)
+                        child_node.last = last
+                        child_node.key_repr = name
+                        child_node.key_separator = "="
+                        append(child_node)
+            else:
+                node = Node(
+                    value_repr=f"{obj.__class__.__name__}()", children=[], last=root
+                )
+
+        elif (
+            is_dataclass(obj)
+            and not isinstance(obj, type)
+            and not fake_attributes
+            and (_is_dataclass_repr(obj) or py_version == (3, 6))
+        ):
+            obj_id = id(obj)
+            if obj_id in visited_ids:
+                # Recursion detected
+                return Node(value_repr="...")
+            push_visited(obj_id)
+
+            children = []
+            append = children.append
+            if reached_max_depth:
+                node = Node(value_repr=f"...")
+            else:
+                node = Node(
+                    open_brace=f"{obj.__class__.__name__}(",
+                    close_brace=")",
+                    children=children,
+                    last=root,
+                )
+
+                for last, field in loop_last(
+                    field for field in fields(obj) if field.repr
+                ):
+                    child_node = _traverse(getattr(obj, field.name), depth=depth + 1)
+                    child_node.key_repr = field.name
+                    child_node.last = last
+                    child_node.key_separator = "="
+                    append(child_node)
+
+                pop_visited(obj_id)
+
+        elif isinstance(obj, _CONTAINERS):
+            for container_type in _CONTAINERS:
+                if isinstance(obj, container_type):
+                    obj_type = container_type
+                    break
+
+            obj_id = id(obj)
+            if obj_id in visited_ids:
+                # Recursion detected
+                return Node(value_repr="...")
+            push_visited(obj_id)
+
+            open_brace, close_brace, empty = _BRACES[obj_type](obj)
+
+            if reached_max_depth:
+                node = Node(value_repr=f"...", last=root)
+            elif obj_type.__repr__ != type(obj).__repr__:
+                node = Node(value_repr=to_repr(obj), last=root)
+            elif obj:
+                children = []
+                node = Node(
+                    open_brace=open_brace,
+                    close_brace=close_brace,
+                    children=children,
+                    last=root,
+                )
+                append = children.append
+                num_items = len(obj)
+                last_item_index = num_items - 1
+
+                if isinstance(obj, _MAPPING_CONTAINERS):
+                    iter_items = iter(obj.items())
+                    if max_length is not None:
+                        iter_items = islice(iter_items, max_length)
+                    for index, (key, child) in enumerate(iter_items):
+                        child_node = _traverse(child, depth=depth + 1)
+                        child_node.key_repr = to_repr(key)
+                        child_node.last = index == last_item_index
+                        append(child_node)
+                else:
+                    iter_values = iter(obj)
+                    if max_length is not None:
+                        iter_values = islice(iter_values, max_length)
+                    for index, child in enumerate(iter_values):
+                        child_node = _traverse(child, depth=depth + 1)
+                        child_node.last = index == last_item_index
+                        append(child_node)
+                if max_length is not None and num_items > max_length:
+                    append(Node(value_repr=f"... +{num_items-max_length}", last=True))
+            else:
+                node = Node(empty=empty, children=[], last=root)
+
+            pop_visited(obj_id)
+        else:
+            node = Node(value_repr=to_repr(obj), last=root)
+        node.is_tuple = isinstance(obj, tuple)
+        return node
+
+    node = _traverse(_object, root=True)
+    return node
+
+
+def pretty_repr(
+    _object: Any,
+    *,
+    max_width: int = 80,
+    indent_size: int = 4,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+    expand_all: bool = False,
+) -> str:
+    """Prettify repr string by expanding on to new lines to fit within a given width.
+
+    Args:
+        _object (Any): Object to repr.
+        max_width (int, optional): Desired maximum width of repr string. Defaults to 80.
+        indent_size (int, optional): Number of spaces to indent. Defaults to 4.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable truncating.
+            Defaults to None.
+        max_depth (int, optional): Maximum depth of nested data structure, or None for no depth.
+            Defaults to None.
+        expand_all (bool, optional): Expand all containers regardless of available width. Defaults to False.
+
+    Returns:
+        str: A possibly multi-line representation of the object.
+    """
+
+    if isinstance(_object, Node):
+        node = _object
+    else:
+        node = traverse(
+            _object, max_length=max_length, max_string=max_string, max_depth=max_depth
+        )
+    repr_str = node.render(
+        max_width=max_width, indent_size=indent_size, expand_all=expand_all
+    )
+    return repr_str
+
+
+def pprint(
+    _object: Any,
+    *,
+    console: Optional["Console"] = None,
+    indent_guides: bool = True,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+    expand_all: bool = False,
+) -> None:
+    """A convenience function for pretty printing.
+
+    Args:
+        _object (Any): Object to pretty print.
+        console (Console, optional): Console instance, or None to use default. Defaults to None.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of strings before truncating, or None to disable. Defaults to None.
+        max_depth (int, optional): Maximum depth for nested data structures, or None for unlimited depth. Defaults to None.
+        indent_guides (bool, optional): Enable indentation guides. Defaults to True.
+        expand_all (bool, optional): Expand all containers. Defaults to False.
+    """
+    _console = get_console() if console is None else console
+    _console.print(
+        Pretty(
+            _object,
+            max_length=max_length,
+            max_string=max_string,
+            max_depth=max_depth,
+            indent_guides=indent_guides,
+            expand_all=expand_all,
+            overflow="ignore",
+        ),
+        soft_wrap=True,
+    )
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    class BrokenRepr:
+        def __repr__(self) -> str:
+            1 / 0
+            return "this will fail"
+
+    d = defaultdict(int)
+    d["foo"] = 5
+    data = {
+        "foo": [
+            1,
+            "Hello World!",
+            100.123,
+            323.232,
+            432324.0,
+            {5, 6, 7, (1, 2, 3, 4), 8},
+        ],
+        "bar": frozenset({1, 2, 3}),
+        "defaultdict": defaultdict(
+            list, {"crumble": ["apple", "rhubarb", "butter", "sugar", "flour"]}
+        ),
+        "counter": Counter(
+            [
+                "apple",
+                "orange",
+                "pear",
+                "kumquat",
+                "kumquat",
+                "durian" * 100,
+            ]
+        ),
+        "atomic": (False, True, None),
+        "Broken": BrokenRepr(),
+    }
+    data["foo"].append(data)  # type: ignore
+
+    from pip._vendor.rich import print
+
+    print(Pretty(data, indent_guides=True, max_string=20))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/progress.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/progress.py
new file mode 100644
index 0000000000000000000000000000000000000000..1f670db43852bd52f78fcbeb98f5b9c1a24a3930
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/progress.py
@@ -0,0 +1,1036 @@
+from abc import ABC, abstractmethod
+from collections import deque
+from collections.abc import Sized
+from dataclasses import dataclass, field
+from datetime import timedelta
+from math import ceil
+from threading import Event, RLock, Thread
+from types import TracebackType
+from typing import (
+    Any,
+    Callable,
+    Deque,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    NewType,
+    Optional,
+    Sequence,
+    Tuple,
+    Type,
+    TypeVar,
+    Union,
+)
+
+from . import filesize, get_console
+from .console import Console, JustifyMethod, RenderableType, Group
+from .highlighter import Highlighter
+from .jupyter import JupyterMixin
+from .live import Live
+from .progress_bar import ProgressBar
+from .spinner import Spinner
+from .style import StyleType
+from .table import Column, Table
+from .text import Text, TextType
+
+TaskID = NewType("TaskID", int)
+
+ProgressType = TypeVar("ProgressType")
+
+GetTimeCallable = Callable[[], float]
+
+
+class _TrackThread(Thread):
+    """A thread to periodically update progress."""
+
+    def __init__(self, progress: "Progress", task_id: "TaskID", update_period: float):
+        self.progress = progress
+        self.task_id = task_id
+        self.update_period = update_period
+        self.done = Event()
+
+        self.completed = 0
+        super().__init__()
+
+    def run(self) -> None:
+        task_id = self.task_id
+        advance = self.progress.advance
+        update_period = self.update_period
+        last_completed = 0
+        wait = self.done.wait
+        while not wait(update_period):
+            completed = self.completed
+            if last_completed != completed:
+                advance(task_id, completed - last_completed)
+                last_completed = completed
+
+        self.progress.update(self.task_id, completed=self.completed, refresh=True)
+
+    def __enter__(self) -> "_TrackThread":
+        self.start()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.done.set()
+        self.join()
+
+
+def track(
+    sequence: Union[Sequence[ProgressType], Iterable[ProgressType]],
+    description: str = "Working...",
+    total: Optional[float] = None,
+    auto_refresh: bool = True,
+    console: Optional[Console] = None,
+    transient: bool = False,
+    get_time: Optional[Callable[[], float]] = None,
+    refresh_per_second: float = 10,
+    style: StyleType = "bar.back",
+    complete_style: StyleType = "bar.complete",
+    finished_style: StyleType = "bar.finished",
+    pulse_style: StyleType = "bar.pulse",
+    update_period: float = 0.1,
+    disable: bool = False,
+) -> Iterable[ProgressType]:
+    """Track progress by iterating over a sequence.
+
+    Args:
+        sequence (Iterable[ProgressType]): A sequence (must support "len") you wish to iterate over.
+        description (str, optional): Description of task show next to progress bar. Defaults to "Working".
+        total: (float, optional): Total number of steps. Default is len(sequence).
+        auto_refresh (bool, optional): Automatic refresh, disable to force a refresh after each iteration. Default is True.
+        transient: (bool, optional): Clear the progress on exit. Defaults to False.
+        console (Console, optional): Console to write to. Default creates internal Console instance.
+        refresh_per_second (float): Number of times per second to refresh the progress information. Defaults to 10.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.done".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+        update_period (float, optional): Minimum time (in seconds) between calls to update(). Defaults to 0.1.
+        disable (bool, optional): Disable display of progress.
+    Returns:
+        Iterable[ProgressType]: An iterable of the values in the sequence.
+
+    """
+
+    columns: List["ProgressColumn"] = (
+        [TextColumn("[progress.description]{task.description}")] if description else []
+    )
+    columns.extend(
+        (
+            BarColumn(
+                style=style,
+                complete_style=complete_style,
+                finished_style=finished_style,
+                pulse_style=pulse_style,
+            ),
+            TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
+            TimeRemainingColumn(),
+        )
+    )
+    progress = Progress(
+        *columns,
+        auto_refresh=auto_refresh,
+        console=console,
+        transient=transient,
+        get_time=get_time,
+        refresh_per_second=refresh_per_second or 10,
+        disable=disable,
+    )
+
+    with progress:
+        yield from progress.track(
+            sequence, total=total, description=description, update_period=update_period
+        )
+
+
+class ProgressColumn(ABC):
+    """Base class for a widget to use in progress display."""
+
+    max_refresh: Optional[float] = None
+
+    def __init__(self, table_column: Optional[Column] = None) -> None:
+        self._table_column = table_column
+        self._renderable_cache: Dict[TaskID, Tuple[float, RenderableType]] = {}
+        self._update_time: Optional[float] = None
+
+    def get_table_column(self) -> Column:
+        """Get a table column, used to build tasks table."""
+        return self._table_column or Column()
+
+    def __call__(self, task: "Task") -> RenderableType:
+        """Called by the Progress object to return a renderable for the given task.
+
+        Args:
+            task (Task): An object containing information regarding the task.
+
+        Returns:
+            RenderableType: Anything renderable (including str).
+        """
+        current_time = task.get_time()
+        if self.max_refresh is not None and not task.completed:
+            try:
+                timestamp, renderable = self._renderable_cache[task.id]
+            except KeyError:
+                pass
+            else:
+                if timestamp + self.max_refresh > current_time:
+                    return renderable
+
+        renderable = self.render(task)
+        self._renderable_cache[task.id] = (current_time, renderable)
+        return renderable
+
+    @abstractmethod
+    def render(self, task: "Task") -> RenderableType:
+        """Should return a renderable object."""
+
+
+class RenderableColumn(ProgressColumn):
+    """A column to insert an arbitrary column.
+
+    Args:
+        renderable (RenderableType, optional): Any renderable. Defaults to empty string.
+    """
+
+    def __init__(
+        self, renderable: RenderableType = "", *, table_column: Optional[Column] = None
+    ):
+        self.renderable = renderable
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> RenderableType:
+        return self.renderable
+
+
+class SpinnerColumn(ProgressColumn):
+    """A column with a 'spinner' animation.
+
+    Args:
+        spinner_name (str, optional): Name of spinner animation. Defaults to "dots".
+        style (StyleType, optional): Style of spinner. Defaults to "progress.spinner".
+        speed (float, optional): Speed factor of spinner. Defaults to 1.0.
+        finished_text (TextType, optional): Text used when task is finished. Defaults to " ".
+    """
+
+    def __init__(
+        self,
+        spinner_name: str = "dots",
+        style: Optional[StyleType] = "progress.spinner",
+        speed: float = 1.0,
+        finished_text: TextType = " ",
+        table_column: Optional[Column] = None,
+    ):
+        self.spinner = Spinner(spinner_name, style=style, speed=speed)
+        self.finished_text = (
+            Text.from_markup(finished_text)
+            if isinstance(finished_text, str)
+            else finished_text
+        )
+        super().__init__(table_column=table_column)
+
+    def set_spinner(
+        self,
+        spinner_name: str,
+        spinner_style: Optional[StyleType] = "progress.spinner",
+        speed: float = 1.0,
+    ) -> None:
+        """Set a new spinner.
+
+        Args:
+            spinner_name (str): Spinner name, see python -m rich.spinner.
+            spinner_style (Optional[StyleType], optional): Spinner style. Defaults to "progress.spinner".
+            speed (float, optional): Speed factor of spinner. Defaults to 1.0.
+        """
+        self.spinner = Spinner(spinner_name, style=spinner_style, speed=speed)
+
+    def render(self, task: "Task") -> RenderableType:
+        text = (
+            self.finished_text
+            if task.finished
+            else self.spinner.render(task.get_time())
+        )
+        return text
+
+
+class TextColumn(ProgressColumn):
+    """A column containing text."""
+
+    def __init__(
+        self,
+        text_format: str,
+        style: StyleType = "none",
+        justify: JustifyMethod = "left",
+        markup: bool = True,
+        highlighter: Optional[Highlighter] = None,
+        table_column: Optional[Column] = None,
+    ) -> None:
+        self.text_format = text_format
+        self.justify: JustifyMethod = justify
+        self.style = style
+        self.markup = markup
+        self.highlighter = highlighter
+        super().__init__(table_column=table_column or Column(no_wrap=True))
+
+    def render(self, task: "Task") -> Text:
+        _text = self.text_format.format(task=task)
+        if self.markup:
+            text = Text.from_markup(_text, style=self.style, justify=self.justify)
+        else:
+            text = Text(_text, style=self.style, justify=self.justify)
+        if self.highlighter:
+            self.highlighter.highlight(text)
+        return text
+
+
+class BarColumn(ProgressColumn):
+    """Renders a visual progress bar.
+
+    Args:
+        bar_width (Optional[int], optional): Width of bar or None for full width. Defaults to 40.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.done".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+    """
+
+    def __init__(
+        self,
+        bar_width: Optional[int] = 40,
+        style: StyleType = "bar.back",
+        complete_style: StyleType = "bar.complete",
+        finished_style: StyleType = "bar.finished",
+        pulse_style: StyleType = "bar.pulse",
+        table_column: Optional[Column] = None,
+    ) -> None:
+        self.bar_width = bar_width
+        self.style = style
+        self.complete_style = complete_style
+        self.finished_style = finished_style
+        self.pulse_style = pulse_style
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> ProgressBar:
+        """Gets a progress bar widget for a task."""
+        return ProgressBar(
+            total=max(0, task.total),
+            completed=max(0, task.completed),
+            width=None if self.bar_width is None else max(1, self.bar_width),
+            pulse=not task.started,
+            animation_time=task.get_time(),
+            style=self.style,
+            complete_style=self.complete_style,
+            finished_style=self.finished_style,
+            pulse_style=self.pulse_style,
+        )
+
+
+class TimeElapsedColumn(ProgressColumn):
+    """Renders time elapsed."""
+
+    def render(self, task: "Task") -> Text:
+        """Show time remaining."""
+        elapsed = task.finished_time if task.finished else task.elapsed
+        if elapsed is None:
+            return Text("-:--:--", style="progress.elapsed")
+        delta = timedelta(seconds=int(elapsed))
+        return Text(str(delta), style="progress.elapsed")
+
+
+class TimeRemainingColumn(ProgressColumn):
+    """Renders estimated time remaining."""
+
+    # Only refresh twice a second to prevent jitter
+    max_refresh = 0.5
+
+    def render(self, task: "Task") -> Text:
+        """Show time remaining."""
+        remaining = task.time_remaining
+        if remaining is None:
+            return Text("-:--:--", style="progress.remaining")
+        remaining_delta = timedelta(seconds=int(remaining))
+        return Text(str(remaining_delta), style="progress.remaining")
+
+
+class FileSizeColumn(ProgressColumn):
+    """Renders completed filesize."""
+
+    def render(self, task: "Task") -> Text:
+        """Show data completed."""
+        data_size = filesize.decimal(int(task.completed))
+        return Text(data_size, style="progress.filesize")
+
+
+class TotalFileSizeColumn(ProgressColumn):
+    """Renders total filesize."""
+
+    def render(self, task: "Task") -> Text:
+        """Show data completed."""
+        data_size = filesize.decimal(int(task.total))
+        return Text(data_size, style="progress.filesize.total")
+
+
+class DownloadColumn(ProgressColumn):
+    """Renders file size downloaded and total, e.g. '0.5/2.3 GB'.
+
+    Args:
+        binary_units (bool, optional): Use binary units, KiB, MiB etc. Defaults to False.
+    """
+
+    def __init__(
+        self, binary_units: bool = False, table_column: Optional[Column] = None
+    ) -> None:
+        self.binary_units = binary_units
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> Text:
+        """Calculate common unit for completed and total."""
+        completed = int(task.completed)
+        total = int(task.total)
+        if self.binary_units:
+            unit, suffix = filesize.pick_unit_and_suffix(
+                total,
+                ["bytes", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"],
+                1024,
+            )
+        else:
+            unit, suffix = filesize.pick_unit_and_suffix(
+                total, ["bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"], 1000
+            )
+        completed_ratio = completed / unit
+        total_ratio = total / unit
+        precision = 0 if unit == 1 else 1
+        completed_str = f"{completed_ratio:,.{precision}f}"
+        total_str = f"{total_ratio:,.{precision}f}"
+        download_status = f"{completed_str}/{total_str} {suffix}"
+        download_text = Text(download_status, style="progress.download")
+        return download_text
+
+
+class TransferSpeedColumn(ProgressColumn):
+    """Renders human readable transfer speed."""
+
+    def render(self, task: "Task") -> Text:
+        """Show data transfer speed."""
+        speed = task.finished_speed or task.speed
+        if speed is None:
+            return Text("?", style="progress.data.speed")
+        data_speed = filesize.decimal(int(speed))
+        return Text(f"{data_speed}/s", style="progress.data.speed")
+
+
+class ProgressSample(NamedTuple):
+    """Sample of progress for a given time."""
+
+    timestamp: float
+    """Timestamp of sample."""
+    completed: float
+    """Number of steps completed."""
+
+
+@dataclass
+class Task:
+    """Information regarding a progress task.
+
+    This object should be considered read-only outside of the :class:`~Progress` class.
+
+    """
+
+    id: TaskID
+    """Task ID associated with this task (used in Progress methods)."""
+
+    description: str
+    """str: Description of the task."""
+
+    total: float
+    """str: Total number of steps in this task."""
+
+    completed: float
+    """float: Number of steps completed"""
+
+    _get_time: GetTimeCallable
+    """Callable to get the current time."""
+
+    finished_time: Optional[float] = None
+    """float: Time task was finished."""
+
+    visible: bool = True
+    """bool: Indicates if this task is visible in the progress display."""
+
+    fields: Dict[str, Any] = field(default_factory=dict)
+    """dict: Arbitrary fields passed in via Progress.update."""
+
+    start_time: Optional[float] = field(default=None, init=False, repr=False)
+    """Optional[float]: Time this task was started, or None if not started."""
+
+    stop_time: Optional[float] = field(default=None, init=False, repr=False)
+    """Optional[float]: Time this task was stopped, or None if not stopped."""
+
+    finished_speed: Optional[float] = None
+    """Optional[float]: The last speed for a finished task."""
+
+    _progress: Deque[ProgressSample] = field(
+        default_factory=deque, init=False, repr=False
+    )
+
+    _lock: RLock = field(repr=False, default_factory=RLock)
+    """Thread lock."""
+
+    def get_time(self) -> float:
+        """float: Get the current time, in seconds."""
+        return self._get_time()
+
+    @property
+    def started(self) -> bool:
+        """bool: Check if the task as started."""
+        return self.start_time is not None
+
+    @property
+    def remaining(self) -> float:
+        """float: Get the number of steps remaining."""
+        return self.total - self.completed
+
+    @property
+    def elapsed(self) -> Optional[float]:
+        """Optional[float]: Time elapsed since task was started, or ``None`` if the task hasn't started."""
+        if self.start_time is None:
+            return None
+        if self.stop_time is not None:
+            return self.stop_time - self.start_time
+        return self.get_time() - self.start_time
+
+    @property
+    def finished(self) -> bool:
+        """Check if the task has finished."""
+        return self.finished_time is not None
+
+    @property
+    def percentage(self) -> float:
+        """float: Get progress of task as a percentage."""
+        if not self.total:
+            return 0.0
+        completed = (self.completed / self.total) * 100.0
+        completed = min(100.0, max(0.0, completed))
+        return completed
+
+    @property
+    def speed(self) -> Optional[float]:
+        """Optional[float]: Get the estimated speed in steps per second."""
+        if self.start_time is None:
+            return None
+        with self._lock:
+            progress = self._progress
+            if not progress:
+                return None
+            total_time = progress[-1].timestamp - progress[0].timestamp
+            if total_time == 0:
+                return None
+            iter_progress = iter(progress)
+            next(iter_progress)
+            total_completed = sum(sample.completed for sample in iter_progress)
+            speed = total_completed / total_time
+            return speed
+
+    @property
+    def time_remaining(self) -> Optional[float]:
+        """Optional[float]: Get estimated time to completion, or ``None`` if no data."""
+        if self.finished:
+            return 0.0
+        speed = self.speed
+        if not speed:
+            return None
+        estimate = ceil(self.remaining / speed)
+        return estimate
+
+    def _reset(self) -> None:
+        """Reset progress."""
+        self._progress.clear()
+        self.finished_time = None
+        self.finished_speed = None
+
+
+class Progress(JupyterMixin):
+    """Renders an auto-updating progress bar(s).
+
+    Args:
+        console (Console, optional): Optional Console instance. Default will an internal Console instance writing to stdout.
+        auto_refresh (bool, optional): Enable auto refresh. If disabled, you will need to call `refresh()`.
+        refresh_per_second (Optional[float], optional): Number of times per second to refresh the progress information or None to use default (10). Defaults to None.
+        speed_estimate_period: (float, optional): Period (in seconds) used to calculate the speed estimate. Defaults to 30.
+        transient: (bool, optional): Clear the progress on exit. Defaults to False.
+        redirect_stdout: (bool, optional): Enable redirection of stdout, so ``print`` may be used. Defaults to True.
+        redirect_stderr: (bool, optional): Enable redirection of stderr. Defaults to True.
+        get_time: (Callable, optional): A callable that gets the current time, or None to use Console.get_time. Defaults to None.
+        disable (bool, optional): Disable progress display. Defaults to False
+        expand (bool, optional): Expand tasks table to fit width. Defaults to False.
+    """
+
+    def __init__(
+        self,
+        *columns: Union[str, ProgressColumn],
+        console: Optional[Console] = None,
+        auto_refresh: bool = True,
+        refresh_per_second: float = 10,
+        speed_estimate_period: float = 30.0,
+        transient: bool = False,
+        redirect_stdout: bool = True,
+        redirect_stderr: bool = True,
+        get_time: Optional[GetTimeCallable] = None,
+        disable: bool = False,
+        expand: bool = False,
+    ) -> None:
+        assert (
+            refresh_per_second is None or refresh_per_second > 0
+        ), "refresh_per_second must be > 0"
+        self._lock = RLock()
+        self.columns = columns or (
+            TextColumn("[progress.description]{task.description}"),
+            BarColumn(),
+            TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
+            TimeRemainingColumn(),
+        )
+        self.speed_estimate_period = speed_estimate_period
+
+        self.disable = disable
+        self.expand = expand
+        self._tasks: Dict[TaskID, Task] = {}
+        self._task_index: TaskID = TaskID(0)
+        self.live = Live(
+            console=console or get_console(),
+            auto_refresh=auto_refresh,
+            refresh_per_second=refresh_per_second,
+            transient=transient,
+            redirect_stdout=redirect_stdout,
+            redirect_stderr=redirect_stderr,
+            get_renderable=self.get_renderable,
+        )
+        self.get_time = get_time or self.console.get_time
+        self.print = self.console.print
+        self.log = self.console.log
+
+    @property
+    def console(self) -> Console:
+        return self.live.console
+
+    @property
+    def tasks(self) -> List[Task]:
+        """Get a list of Task instances."""
+        with self._lock:
+            return list(self._tasks.values())
+
+    @property
+    def task_ids(self) -> List[TaskID]:
+        """A list of task IDs."""
+        with self._lock:
+            return list(self._tasks.keys())
+
+    @property
+    def finished(self) -> bool:
+        """Check if all tasks have been completed."""
+        with self._lock:
+            if not self._tasks:
+                return True
+            return all(task.finished for task in self._tasks.values())
+
+    def start(self) -> None:
+        """Start the progress display."""
+        if not self.disable:
+            self.live.start(refresh=True)
+
+    def stop(self) -> None:
+        """Stop the progress display."""
+        self.live.stop()
+        if not self.console.is_interactive:
+            self.console.print()
+
+    def __enter__(self) -> "Progress":
+        self.start()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.stop()
+
+    def track(
+        self,
+        sequence: Union[Iterable[ProgressType], Sequence[ProgressType]],
+        total: Optional[float] = None,
+        task_id: Optional[TaskID] = None,
+        description: str = "Working...",
+        update_period: float = 0.1,
+    ) -> Iterable[ProgressType]:
+        """Track progress by iterating over a sequence.
+
+        Args:
+            sequence (Sequence[ProgressType]): A sequence of values you want to iterate over and track progress.
+            total: (float, optional): Total number of steps. Default is len(sequence).
+            task_id: (TaskID): Task to track. Default is new task.
+            description: (str, optional): Description of task, if new task is created.
+            update_period (float, optional): Minimum time (in seconds) between calls to update(). Defaults to 0.1.
+
+        Returns:
+            Iterable[ProgressType]: An iterable of values taken from the provided sequence.
+        """
+
+        if total is None:
+            if isinstance(sequence, Sized):
+                task_total = float(len(sequence))
+            else:
+                raise ValueError(
+                    f"unable to get size of {sequence!r}, please specify 'total'"
+                )
+        else:
+            task_total = total
+
+        if task_id is None:
+            task_id = self.add_task(description, total=task_total)
+        else:
+            self.update(task_id, total=task_total)
+
+        if self.live.auto_refresh:
+            with _TrackThread(self, task_id, update_period) as track_thread:
+                for value in sequence:
+                    yield value
+                    track_thread.completed += 1
+        else:
+            advance = self.advance
+            refresh = self.refresh
+            for value in sequence:
+                yield value
+                advance(task_id, 1)
+                refresh()
+
+    def start_task(self, task_id: TaskID) -> None:
+        """Start a task.
+
+        Starts a task (used when calculating elapsed time). You may need to call this manually,
+        if you called ``add_task`` with ``start=False``.
+
+        Args:
+            task_id (TaskID): ID of task.
+        """
+        with self._lock:
+            task = self._tasks[task_id]
+            if task.start_time is None:
+                task.start_time = self.get_time()
+
+    def stop_task(self, task_id: TaskID) -> None:
+        """Stop a task.
+
+        This will freeze the elapsed time on the task.
+
+        Args:
+            task_id (TaskID): ID of task.
+        """
+        with self._lock:
+            task = self._tasks[task_id]
+            current_time = self.get_time()
+            if task.start_time is None:
+                task.start_time = current_time
+            task.stop_time = current_time
+
+    def update(
+        self,
+        task_id: TaskID,
+        *,
+        total: Optional[float] = None,
+        completed: Optional[float] = None,
+        advance: Optional[float] = None,
+        description: Optional[str] = None,
+        visible: Optional[bool] = None,
+        refresh: bool = False,
+        **fields: Any,
+    ) -> None:
+        """Update information associated with a task.
+
+        Args:
+            task_id (TaskID): Task id (returned by add_task).
+            total (float, optional): Updates task.total if not None.
+            completed (float, optional): Updates task.completed if not None.
+            advance (float, optional): Add a value to task.completed if not None.
+            description (str, optional): Change task description if not None.
+            visible (bool, optional): Set visible flag if not None.
+            refresh (bool): Force a refresh of progress information. Default is False.
+            **fields (Any): Additional data fields required for rendering.
+        """
+        with self._lock:
+            task = self._tasks[task_id]
+            completed_start = task.completed
+
+            if total is not None and total != task.total:
+                task.total = total
+                task._reset()
+            if advance is not None:
+                task.completed += advance
+            if completed is not None:
+                task.completed = completed
+            if description is not None:
+                task.description = description
+            if visible is not None:
+                task.visible = visible
+            task.fields.update(fields)
+            update_completed = task.completed - completed_start
+
+            current_time = self.get_time()
+            old_sample_time = current_time - self.speed_estimate_period
+            _progress = task._progress
+
+            popleft = _progress.popleft
+            while _progress and _progress[0].timestamp < old_sample_time:
+                popleft()
+            while len(_progress) > 1000:
+                popleft()
+            if update_completed > 0:
+                _progress.append(ProgressSample(current_time, update_completed))
+            if task.completed >= task.total and task.finished_time is None:
+                task.finished_time = task.elapsed
+
+        if refresh:
+            self.refresh()
+
+    def reset(
+        self,
+        task_id: TaskID,
+        *,
+        start: bool = True,
+        total: Optional[float] = None,
+        completed: int = 0,
+        visible: Optional[bool] = None,
+        description: Optional[str] = None,
+        **fields: Any,
+    ) -> None:
+        """Reset a task so completed is 0 and the clock is reset.
+
+        Args:
+            task_id (TaskID): ID of task.
+            start (bool, optional): Start the task after reset. Defaults to True.
+            total (float, optional): New total steps in task, or None to use current total. Defaults to None.
+            completed (int, optional): Number of steps completed. Defaults to 0.
+            **fields (str): Additional data fields required for rendering.
+        """
+        current_time = self.get_time()
+        with self._lock:
+            task = self._tasks[task_id]
+            task._reset()
+            task.start_time = current_time if start else None
+            if total is not None:
+                task.total = total
+            task.completed = completed
+            if visible is not None:
+                task.visible = visible
+            if fields:
+                task.fields = fields
+            if description is not None:
+                task.description = description
+            task.finished_time = None
+        self.refresh()
+
+    def advance(self, task_id: TaskID, advance: float = 1) -> None:
+        """Advance task by a number of steps.
+
+        Args:
+            task_id (TaskID): ID of task.
+            advance (float): Number of steps to advance. Default is 1.
+        """
+        current_time = self.get_time()
+        with self._lock:
+            task = self._tasks[task_id]
+            completed_start = task.completed
+            task.completed += advance
+            update_completed = task.completed - completed_start
+            old_sample_time = current_time - self.speed_estimate_period
+            _progress = task._progress
+
+            popleft = _progress.popleft
+            while _progress and _progress[0].timestamp < old_sample_time:
+                popleft()
+            while len(_progress) > 1000:
+                popleft()
+            _progress.append(ProgressSample(current_time, update_completed))
+            if task.completed >= task.total and task.finished_time is None:
+                task.finished_time = task.elapsed
+                task.finished_speed = task.speed
+
+    def refresh(self) -> None:
+        """Refresh (render) the progress information."""
+        if not self.disable and self.live.is_started:
+            self.live.refresh()
+
+    def get_renderable(self) -> RenderableType:
+        """Get a renderable for the progress display."""
+        renderable = Group(*self.get_renderables())
+        return renderable
+
+    def get_renderables(self) -> Iterable[RenderableType]:
+        """Get a number of renderables for the progress display."""
+        table = self.make_tasks_table(self.tasks)
+        yield table
+
+    def make_tasks_table(self, tasks: Iterable[Task]) -> Table:
+        """Get a table to render the Progress display.
+
+        Args:
+            tasks (Iterable[Task]): An iterable of Task instances, one per row of the table.
+
+        Returns:
+            Table: A table instance.
+        """
+        table_columns = (
+            (
+                Column(no_wrap=True)
+                if isinstance(_column, str)
+                else _column.get_table_column().copy()
+            )
+            for _column in self.columns
+        )
+        table = Table.grid(*table_columns, padding=(0, 1), expand=self.expand)
+
+        for task in tasks:
+            if task.visible:
+                table.add_row(
+                    *(
+                        (
+                            column.format(task=task)
+                            if isinstance(column, str)
+                            else column(task)
+                        )
+                        for column in self.columns
+                    )
+                )
+        return table
+
+    def __rich__(self) -> RenderableType:
+        """Makes the Progress class itself renderable."""
+        with self._lock:
+            return self.get_renderable()
+
+    def add_task(
+        self,
+        description: str,
+        start: bool = True,
+        total: float = 100.0,
+        completed: int = 0,
+        visible: bool = True,
+        **fields: Any,
+    ) -> TaskID:
+        """Add a new 'task' to the Progress display.
+
+        Args:
+            description (str): A description of the task.
+            start (bool, optional): Start the task immediately (to calculate elapsed time). If set to False,
+                you will need to call `start` manually. Defaults to True.
+            total (float, optional): Number of total steps in the progress if know. Defaults to 100.
+            completed (int, optional): Number of steps completed so far.. Defaults to 0.
+            visible (bool, optional): Enable display of the task. Defaults to True.
+            **fields (str): Additional data fields required for rendering.
+
+        Returns:
+            TaskID: An ID you can use when calling `update`.
+        """
+        with self._lock:
+            task = Task(
+                self._task_index,
+                description,
+                total,
+                completed,
+                visible=visible,
+                fields=fields,
+                _get_time=self.get_time,
+                _lock=self._lock,
+            )
+            self._tasks[self._task_index] = task
+            if start:
+                self.start_task(self._task_index)
+            new_task_index = self._task_index
+            self._task_index = TaskID(int(self._task_index) + 1)
+        self.refresh()
+        return new_task_index
+
+    def remove_task(self, task_id: TaskID) -> None:
+        """Delete a task if it exists.
+
+        Args:
+            task_id (TaskID): A task ID.
+
+        """
+        with self._lock:
+            del self._tasks[task_id]
+
+
+if __name__ == "__main__":  # pragma: no coverage
+
+    import random
+    import time
+
+    from .panel import Panel
+    from .rule import Rule
+    from .syntax import Syntax
+    from .table import Table
+
+    syntax = Syntax(
+        '''def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value''',
+        "python",
+        line_numbers=True,
+    )
+
+    table = Table("foo", "bar", "baz")
+    table.add_row("1", "2", "3")
+
+    progress_renderables = [
+        "Text may be printed while the progress bars are rendering.",
+        Panel("In fact, [i]any[/i] renderable will work"),
+        "Such as [magenta]tables[/]...",
+        table,
+        "Pretty printed structures...",
+        {"type": "example", "text": "Pretty printed"},
+        "Syntax...",
+        syntax,
+        Rule("Give it a try!"),
+    ]
+
+    from itertools import cycle
+
+    examples = cycle(progress_renderables)
+
+    console = Console(record=True)
+
+    with Progress(
+        SpinnerColumn(),
+        TextColumn("[progress.description]{task.description}"),
+        BarColumn(),
+        TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
+        TimeRemainingColumn(),
+        TimeElapsedColumn(),
+        console=console,
+        transient=True,
+    ) as progress:
+
+        task1 = progress.add_task("[red]Downloading", total=1000)
+        task2 = progress.add_task("[green]Processing", total=1000)
+        task3 = progress.add_task("[yellow]Thinking", total=1000, start=False)
+
+        while not progress.finished:
+            progress.update(task1, advance=0.5)
+            progress.update(task2, advance=0.3)
+            time.sleep(0.01)
+            if random.randint(0, 100) < 1:
+                progress.log(next(examples))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/progress_bar.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/progress_bar.py
new file mode 100644
index 0000000000000000000000000000000000000000..1797b5f786eb0d5adb2f5d1e3e5ee0e2b4541eaf
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/progress_bar.py
@@ -0,0 +1,216 @@
+import math
+from functools import lru_cache
+from time import monotonic
+from typing import Iterable, List, Optional
+
+from .color import Color, blend_rgb
+from .color_triplet import ColorTriplet
+from .console import Console, ConsoleOptions, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style, StyleType
+
+# Number of characters before 'pulse' animation repeats
+PULSE_SIZE = 20
+
+
+class ProgressBar(JupyterMixin):
+    """Renders a (progress) bar. Used by rich.progress.
+
+    Args:
+        total (float, optional): Number of steps in the bar. Defaults to 100.
+        completed (float, optional): Number of steps completed. Defaults to 0.
+        width (int, optional): Width of the bar, or ``None`` for maximum width. Defaults to None.
+        pulse (bool, optional): Enable pulse effect. Defaults to False.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.done".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+        animation_time (Optional[float], optional): Time in seconds to use for animation, or None to use system time.
+    """
+
+    def __init__(
+        self,
+        total: float = 100.0,
+        completed: float = 0,
+        width: Optional[int] = None,
+        pulse: bool = False,
+        style: StyleType = "bar.back",
+        complete_style: StyleType = "bar.complete",
+        finished_style: StyleType = "bar.finished",
+        pulse_style: StyleType = "bar.pulse",
+        animation_time: Optional[float] = None,
+    ):
+        self.total = total
+        self.completed = completed
+        self.width = width
+        self.pulse = pulse
+        self.style = style
+        self.complete_style = complete_style
+        self.finished_style = finished_style
+        self.pulse_style = pulse_style
+        self.animation_time = animation_time
+
+        self._pulse_segments: Optional[List[Segment]] = None
+
+    def __repr__(self) -> str:
+        return f"<Bar {self.completed!r} of {self.total!r}>"
+
+    @property
+    def percentage_completed(self) -> float:
+        """Calculate percentage complete."""
+        completed = (self.completed / self.total) * 100.0
+        completed = min(100, max(0.0, completed))
+        return completed
+
+    @lru_cache(maxsize=16)
+    def _get_pulse_segments(
+        self,
+        fore_style: Style,
+        back_style: Style,
+        color_system: str,
+        no_color: bool,
+        ascii: bool = False,
+    ) -> List[Segment]:
+        """Get a list of segments to render a pulse animation.
+
+        Returns:
+            List[Segment]: A list of segments, one segment per character.
+        """
+        bar = "-" if ascii else "━"
+        segments: List[Segment] = []
+        if color_system not in ("standard", "eight_bit", "truecolor") or no_color:
+            segments += [Segment(bar, fore_style)] * (PULSE_SIZE // 2)
+            segments += [Segment(" " if no_color else bar, back_style)] * (
+                PULSE_SIZE - (PULSE_SIZE // 2)
+            )
+            return segments
+
+        append = segments.append
+        fore_color = (
+            fore_style.color.get_truecolor()
+            if fore_style.color
+            else ColorTriplet(255, 0, 255)
+        )
+        back_color = (
+            back_style.color.get_truecolor()
+            if back_style.color
+            else ColorTriplet(0, 0, 0)
+        )
+        cos = math.cos
+        pi = math.pi
+        _Segment = Segment
+        _Style = Style
+        from_triplet = Color.from_triplet
+
+        for index in range(PULSE_SIZE):
+            position = index / PULSE_SIZE
+            fade = 0.5 + cos((position * pi * 2)) / 2.0
+            color = blend_rgb(fore_color, back_color, cross_fade=fade)
+            append(_Segment(bar, _Style(color=from_triplet(color))))
+        return segments
+
+    def update(self, completed: float, total: Optional[float] = None) -> None:
+        """Update progress with new values.
+
+        Args:
+            completed (float): Number of steps completed.
+            total (float, optional): Total number of steps, or ``None`` to not change. Defaults to None.
+        """
+        self.completed = completed
+        self.total = total if total is not None else self.total
+
+    def _render_pulse(
+        self, console: Console, width: int, ascii: bool = False
+    ) -> Iterable[Segment]:
+        """Renders the pulse animation.
+
+        Args:
+            console (Console): Console instance.
+            width (int): Width in characters of pulse animation.
+
+        Returns:
+            RenderResult: [description]
+
+        Yields:
+            Iterator[Segment]: Segments to render pulse
+        """
+        fore_style = console.get_style(self.pulse_style, default="white")
+        back_style = console.get_style(self.style, default="black")
+
+        pulse_segments = self._get_pulse_segments(
+            fore_style, back_style, console.color_system, console.no_color, ascii=ascii
+        )
+        segment_count = len(pulse_segments)
+        current_time = (
+            monotonic() if self.animation_time is None else self.animation_time
+        )
+        segments = pulse_segments * (int(width / segment_count) + 2)
+        offset = int(-current_time * 15) % segment_count
+        segments = segments[offset : offset + width]
+        yield from segments
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+
+        width = min(self.width or options.max_width, options.max_width)
+        ascii = options.legacy_windows or options.ascii_only
+        if self.pulse:
+            yield from self._render_pulse(console, width, ascii=ascii)
+            return
+
+        completed = min(self.total, max(0, self.completed))
+
+        bar = "-" if ascii else "━"
+        half_bar_right = " " if ascii else "╸"
+        half_bar_left = " " if ascii else "╺"
+        complete_halves = (
+            int(width * 2 * completed / self.total) if self.total else width * 2
+        )
+        bar_count = complete_halves // 2
+        half_bar_count = complete_halves % 2
+        style = console.get_style(self.style)
+        complete_style = console.get_style(
+            self.complete_style if self.completed < self.total else self.finished_style
+        )
+        _Segment = Segment
+        if bar_count:
+            yield _Segment(bar * bar_count, complete_style)
+        if half_bar_count:
+            yield _Segment(half_bar_right * half_bar_count, complete_style)
+
+        if not console.no_color:
+            remaining_bars = width - bar_count - half_bar_count
+            if remaining_bars and console.color_system is not None:
+                if not half_bar_count and bar_count:
+                    yield _Segment(half_bar_left, style)
+                    remaining_bars -= 1
+                if remaining_bars:
+                    yield _Segment(bar * remaining_bars, style)
+
+    def __rich_measure__(
+        self, console: Console, options: ConsoleOptions
+    ) -> Measurement:
+        return (
+            Measurement(self.width, self.width)
+            if self.width is not None
+            else Measurement(4, options.max_width)
+        )
+
+
+if __name__ == "__main__":  # pragma: no cover
+    console = Console()
+    bar = ProgressBar(width=50, total=100)
+
+    import time
+
+    console.show_cursor(False)
+    for n in range(0, 101, 1):
+        bar.update(n)
+        console.print(bar)
+        console.file.write("\r")
+        time.sleep(0.05)
+    console.show_cursor(True)
+    console.print()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/prompt.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/prompt.py
new file mode 100644
index 0000000000000000000000000000000000000000..b2cea2b529a3cdf265bb6d2259ead42227958072
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/prompt.py
@@ -0,0 +1,376 @@
+from typing import Any, Generic, List, Optional, TextIO, TypeVar, Union, overload
+
+from . import get_console
+from .console import Console
+from .text import Text, TextType
+
+PromptType = TypeVar("PromptType")
+DefaultType = TypeVar("DefaultType")
+
+
+class PromptError(Exception):
+    """Exception base class for prompt related errors."""
+
+
+class InvalidResponse(PromptError):
+    """Exception to indicate a response was invalid. Raise this within process_response() to indicate an error
+    and provide an error message.
+
+    Args:
+        message (Union[str, Text]): Error message.
+    """
+
+    def __init__(self, message: TextType) -> None:
+        self.message = message
+
+    def __rich__(self) -> TextType:
+        return self.message
+
+
+class PromptBase(Generic[PromptType]):
+    """Ask the user for input until a valid response is received. This is the base class, see one of
+    the concrete classes for examples.
+
+    Args:
+        prompt (TextType, optional): Prompt text. Defaults to "".
+        console (Console, optional): A Console instance or None to use global console. Defaults to None.
+        password (bool, optional): Enable password input. Defaults to False.
+        choices (List[str], optional): A list of valid choices. Defaults to None.
+        show_default (bool, optional): Show default in prompt. Defaults to True.
+        show_choices (bool, optional): Show choices in prompt. Defaults to True.
+    """
+
+    response_type: type = str
+
+    validate_error_message = "[prompt.invalid]Please enter a valid value"
+    illegal_choice_message = (
+        "[prompt.invalid.choice]Please select one of the available options"
+    )
+    prompt_suffix = ": "
+
+    choices: Optional[List[str]] = None
+
+    def __init__(
+        self,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+    ) -> None:
+        self.console = console or get_console()
+        self.prompt = (
+            Text.from_markup(prompt, style="prompt")
+            if isinstance(prompt, str)
+            else prompt
+        )
+        self.password = password
+        if choices is not None:
+            self.choices = choices
+        self.show_default = show_default
+        self.show_choices = show_choices
+
+    @classmethod
+    @overload
+    def ask(
+        cls,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+        default: DefaultType,
+        stream: Optional[TextIO] = None,
+    ) -> Union[DefaultType, PromptType]:
+        ...
+
+    @classmethod
+    @overload
+    def ask(
+        cls,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+        stream: Optional[TextIO] = None,
+    ) -> PromptType:
+        ...
+
+    @classmethod
+    def ask(
+        cls,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+        default: Any = ...,
+        stream: Optional[TextIO] = None,
+    ) -> Any:
+        """Shortcut to construct and run a prompt loop and return the result.
+
+        Example:
+            >>> filename = Prompt.ask("Enter a filename")
+
+        Args:
+            prompt (TextType, optional): Prompt text. Defaults to "".
+            console (Console, optional): A Console instance or None to use global console. Defaults to None.
+            password (bool, optional): Enable password input. Defaults to False.
+            choices (List[str], optional): A list of valid choices. Defaults to None.
+            show_default (bool, optional): Show default in prompt. Defaults to True.
+            show_choices (bool, optional): Show choices in prompt. Defaults to True.
+            stream (TextIO, optional): Optional text file open for reading to get input. Defaults to None.
+        """
+        _prompt = cls(
+            prompt,
+            console=console,
+            password=password,
+            choices=choices,
+            show_default=show_default,
+            show_choices=show_choices,
+        )
+        return _prompt(default=default, stream=stream)
+
+    def render_default(self, default: DefaultType) -> Text:
+        """Turn the supplied default in to a Text instance.
+
+        Args:
+            default (DefaultType): Default value.
+
+        Returns:
+            Text: Text containing rendering of default value.
+        """
+        return Text(f"({default})", "prompt.default")
+
+    def make_prompt(self, default: DefaultType) -> Text:
+        """Make prompt text.
+
+        Args:
+            default (DefaultType): Default value.
+
+        Returns:
+            Text: Text to display in prompt.
+        """
+        prompt = self.prompt.copy()
+        prompt.end = ""
+
+        if self.show_choices and self.choices:
+            _choices = "/".join(self.choices)
+            choices = f"[{_choices}]"
+            prompt.append(" ")
+            prompt.append(choices, "prompt.choices")
+
+        if (
+            default != ...
+            and self.show_default
+            and isinstance(default, (str, self.response_type))
+        ):
+            prompt.append(" ")
+            _default = self.render_default(default)
+            prompt.append(_default)
+
+        prompt.append(self.prompt_suffix)
+
+        return prompt
+
+    @classmethod
+    def get_input(
+        cls,
+        console: Console,
+        prompt: TextType,
+        password: bool,
+        stream: Optional[TextIO] = None,
+    ) -> str:
+        """Get input from user.
+
+        Args:
+            console (Console): Console instance.
+            prompt (TextType): Prompt text.
+            password (bool): Enable password entry.
+
+        Returns:
+            str: String from user.
+        """
+        return console.input(prompt, password=password, stream=stream)
+
+    def check_choice(self, value: str) -> bool:
+        """Check value is in the list of valid choices.
+
+        Args:
+            value (str): Value entered by user.
+
+        Returns:
+            bool: True if choice was valid, otherwise False.
+        """
+        assert self.choices is not None
+        return value.strip() in self.choices
+
+    def process_response(self, value: str) -> PromptType:
+        """Process response from user, convert to prompt type.
+
+        Args:
+            value (str): String typed by user.
+
+        Raises:
+            InvalidResponse: If ``value`` is invalid.
+
+        Returns:
+            PromptType: The value to be returned from ask method.
+        """
+        value = value.strip()
+        try:
+            return_value = self.response_type(value)
+        except ValueError:
+            raise InvalidResponse(self.validate_error_message)
+
+        if self.choices is not None and not self.check_choice(value):
+            raise InvalidResponse(self.illegal_choice_message)
+
+        return return_value  # type: ignore
+
+    def on_validate_error(self, value: str, error: InvalidResponse) -> None:
+        """Called to handle validation error.
+
+        Args:
+            value (str): String entered by user.
+            error (InvalidResponse): Exception instance the initiated the error.
+        """
+        self.console.print(error)
+
+    def pre_prompt(self) -> None:
+        """Hook to display something before the prompt."""
+
+    @overload
+    def __call__(self, *, stream: Optional[TextIO] = None) -> PromptType:
+        ...
+
+    @overload
+    def __call__(
+        self, *, default: DefaultType, stream: Optional[TextIO] = None
+    ) -> Union[PromptType, DefaultType]:
+        ...
+
+    def __call__(self, *, default: Any = ..., stream: Optional[TextIO] = None) -> Any:
+        """Run the prompt loop.
+
+        Args:
+            default (Any, optional): Optional default value.
+
+        Returns:
+            PromptType: Processed value.
+        """
+        while True:
+            self.pre_prompt()
+            prompt = self.make_prompt(default)
+            value = self.get_input(self.console, prompt, self.password, stream=stream)
+            if value == "" and default != ...:
+                return default
+            try:
+                return_value = self.process_response(value)
+            except InvalidResponse as error:
+                self.on_validate_error(value, error)
+                continue
+            else:
+                return return_value
+
+
+class Prompt(PromptBase[str]):
+    """A prompt that returns a str.
+
+    Example:
+        >>> name = Prompt.ask("Enter your name")
+
+
+    """
+
+    response_type = str
+
+
+class IntPrompt(PromptBase[int]):
+    """A prompt that returns an integer.
+
+    Example:
+        >>> burrito_count = IntPrompt.ask("How many burritos do you want to order")
+
+    """
+
+    response_type = int
+    validate_error_message = "[prompt.invalid]Please enter a valid integer number"
+
+
+class FloatPrompt(PromptBase[int]):
+    """A prompt that returns a float.
+
+    Example:
+        >>> temperature = FloatPrompt.ask("Enter desired temperature")
+
+    """
+
+    response_type = float
+    validate_error_message = "[prompt.invalid]Please enter a number"
+
+
+class Confirm(PromptBase[bool]):
+    """A yes / no confirmation prompt.
+
+    Example:
+        >>> if Confirm.ask("Continue"):
+                run_job()
+
+    """
+
+    response_type = bool
+    validate_error_message = "[prompt.invalid]Please enter Y or N"
+    choices: List[str] = ["y", "n"]
+
+    def render_default(self, default: DefaultType) -> Text:
+        """Render the default as (y) or (n) rather than True/False."""
+        yes, no = self.choices
+        return Text(f"({yes})" if default else f"({no})", style="prompt.default")
+
+    def process_response(self, value: str) -> bool:
+        """Convert choices to a bool."""
+        value = value.strip().lower()
+        if value not in self.choices:
+            raise InvalidResponse(self.validate_error_message)
+        return value == self.choices[0]
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from pip._vendor.rich import print
+
+    if Confirm.ask("Run [i]prompt[/i] tests?", default=True):
+        while True:
+            result = IntPrompt.ask(
+                ":rocket: Enter a number between [b]1[/b] and [b]10[/b]", default=5
+            )
+            if result >= 1 and result <= 10:
+                break
+            print(":pile_of_poo: [prompt.invalid]Number must be between 1 and 10")
+        print(f"number={result}")
+
+        while True:
+            password = Prompt.ask(
+                "Please enter a password [cyan](must be at least 5 characters)",
+                password=True,
+            )
+            if len(password) >= 5:
+                break
+            print("[prompt.invalid]password too short")
+        print(f"password={password!r}")
+
+        fruit = Prompt.ask("Enter a fruit", choices=["apple", "orange", "pear"])
+        print(f"fruit={fruit!r}")
+
+    else:
+        print("[b]OK :loudly_crying_face:")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/protocol.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/protocol.py
new file mode 100644
index 0000000000000000000000000000000000000000..6248052119ac68bd6be0e188cbd83ef4b4deffd7
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/protocol.py
@@ -0,0 +1,42 @@
+from typing import Any, Callable, cast, Set, TYPE_CHECKING
+from inspect import isclass
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.console import RenderableType
+
+_GIBBERISH = """aihwerij235234ljsdnp34ksodfipwoe234234jlskjdf"""
+
+
+def is_renderable(check_object: Any) -> bool:
+    """Check if an object may be rendered by Rich."""
+    return (
+        isinstance(check_object, str)
+        or hasattr(check_object, "__rich__")
+        or hasattr(check_object, "__rich_console__")
+    )
+
+
+def rich_cast(renderable: object) -> "RenderableType":
+    """Cast an object to a renderable by calling __rich__ if present.
+
+    Args:
+        renderable (object): A potentially renderable object
+
+    Returns:
+        object: The result of recursively calling __rich__.
+    """
+    from pip._vendor.rich.console import RenderableType
+
+    rich_visited_set: Set[type] = set()  # Prevent potential infinite loop
+    while hasattr(renderable, "__rich__") and not isclass(renderable):
+        # Detect object which claim to have all the attributes
+        if hasattr(renderable, _GIBBERISH):
+            return repr(renderable)
+        cast_method = getattr(renderable, "__rich__")
+        renderable = cast_method()
+        renderable_type = type(renderable)
+        if renderable_type in rich_visited_set:
+            break
+        rich_visited_set.add(renderable_type)
+
+    return cast(RenderableType, renderable)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/region.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/region.py
new file mode 100644
index 0000000000000000000000000000000000000000..75b3631c3879294549f1f27418859aefb63925a7
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/region.py
@@ -0,0 +1,10 @@
+from typing import NamedTuple
+
+
+class Region(NamedTuple):
+    """Defines a rectangular region of the screen."""
+
+    x: int
+    y: int
+    width: int
+    height: int
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/repr.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/repr.py
new file mode 100644
index 0000000000000000000000000000000000000000..17147fd4be2efedeb625c2b58293d0588c2c5d64
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/repr.py
@@ -0,0 +1,151 @@
+from functools import partial
+import inspect
+
+from typing import (
+    Any,
+    Callable,
+    Iterable,
+    List,
+    Optional,
+    overload,
+    Union,
+    Tuple,
+    Type,
+    TypeVar,
+)
+
+
+T = TypeVar("T")
+
+
+Result = Iterable[Union[Any, Tuple[Any], Tuple[str, Any], Tuple[str, Any, Any]]]
+RichReprResult = Result
+
+
+class ReprError(Exception):
+    """An error occurred when attempting to build a repr."""
+
+
+@overload
+def auto(cls: Optional[T]) -> T:
+    ...
+
+
+@overload
+def auto(*, angular: bool = False) -> Callable[[T], T]:
+    ...
+
+
+def auto(
+    cls: Optional[T] = None, *, angular: Optional[bool] = None
+) -> Union[T, Callable[[T], T]]:
+    """Class decorator to create __repr__ from __rich_repr__"""
+
+    def do_replace(cls: Type[T], angular: Optional[bool] = None) -> Type[T]:
+        def auto_repr(self: Type[T]) -> str:
+            """Create repr string from __rich_repr__"""
+            repr_str: List[str] = []
+            append = repr_str.append
+
+            angular = getattr(self.__rich_repr__, "angular", False)  # type: ignore
+            for arg in self.__rich_repr__():  # type: ignore
+                if isinstance(arg, tuple):
+                    if len(arg) == 1:
+                        append(repr(arg[0]))
+                    else:
+                        key, value, *default = arg
+                        if key is None:
+                            append(repr(value))
+                        else:
+                            if len(default) and default[0] == value:
+                                continue
+                            append(f"{key}={value!r}")
+                else:
+                    append(repr(arg))
+            if angular:
+                return f"<{self.__class__.__name__} {' '.join(repr_str)}>"
+            else:
+                return f"{self.__class__.__name__}({', '.join(repr_str)})"
+
+        def auto_rich_repr(self: Type[T]) -> Result:
+            """Auto generate __rich_rep__ from signature of __init__"""
+            try:
+                signature = inspect.signature(self.__init__)  ## type: ignore
+                for name, param in signature.parameters.items():
+                    if param.kind == param.POSITIONAL_ONLY:
+                        yield getattr(self, name)
+                    elif param.kind in (
+                        param.POSITIONAL_OR_KEYWORD,
+                        param.KEYWORD_ONLY,
+                    ):
+                        if param.default == param.empty:
+                            yield getattr(self, param.name)
+                        else:
+                            yield param.name, getattr(self, param.name), param.default
+            except Exception as error:
+                raise ReprError(
+                    f"Failed to auto generate __rich_repr__; {error}"
+                ) from None
+
+        if not hasattr(cls, "__rich_repr__"):
+            auto_rich_repr.__doc__ = "Build a rich repr"
+            cls.__rich_repr__ = auto_rich_repr  # type: ignore
+
+        auto_repr.__doc__ = "Return repr(self)"
+        cls.__repr__ = auto_repr  # type: ignore
+        if angular is not None:
+            cls.__rich_repr__.angular = angular  # type: ignore
+        return cls
+
+    if cls is None:
+        return partial(do_replace, angular=angular)  # type: ignore
+    else:
+        return do_replace(cls, angular=angular)  # type: ignore
+
+
+@overload
+def rich_repr(cls: Optional[T]) -> T:
+    ...
+
+
+@overload
+def rich_repr(*, angular: bool = False) -> Callable[[T], T]:
+    ...
+
+
+def rich_repr(
+    cls: Optional[T] = None, *, angular: bool = False
+) -> Union[T, Callable[[T], T]]:
+    if cls is None:
+        return auto(angular=angular)
+    else:
+        return auto(cls)
+
+
+if __name__ == "__main__":
+
+    @auto
+    class Foo:
+        def __rich_repr__(self) -> Result:
+            yield "foo"
+            yield "bar", {"shopping": ["eggs", "ham", "pineapple"]}
+            yield "buy", "hand sanitizer"
+
+    foo = Foo()
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+
+    console.rule("Standard repr")
+    console.print(foo)
+
+    console.print(foo, width=60)
+    console.print(foo, width=30)
+
+    console.rule("Angular repr")
+    Foo.__rich_repr__.angular = True  # type: ignore
+
+    console.print(foo)
+
+    console.print(foo, width=60)
+    console.print(foo, width=30)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/rule.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/rule.py
new file mode 100644
index 0000000000000000000000000000000000000000..ce4754f6a8c0de77f1abd6bd61ad5c4dd9882cba
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/rule.py
@@ -0,0 +1,115 @@
+from typing import Union
+
+from .align import AlignMethod
+from .cells import cell_len, set_cell_size
+from .console import Console, ConsoleOptions, RenderResult
+from .jupyter import JupyterMixin
+from .style import Style
+from .text import Text
+
+
+class Rule(JupyterMixin):
+    """A console renderable to draw a horizontal rule (line).
+
+    Args:
+        title (Union[str, Text], optional): Text to render in the rule. Defaults to "".
+        characters (str, optional): Character(s) used to draw the line. Defaults to "─".
+        style (StyleType, optional): Style of Rule. Defaults to "rule.line".
+        end (str, optional): Character at end of Rule. defaults to "\\\\n"
+        align (str, optional): How to align the title, one of "left", "center", or "right". Defaults to "center".
+    """
+
+    def __init__(
+        self,
+        title: Union[str, Text] = "",
+        *,
+        characters: str = "─",
+        style: Union[str, Style] = "rule.line",
+        end: str = "\n",
+        align: AlignMethod = "center",
+    ) -> None:
+        if cell_len(characters) < 1:
+            raise ValueError(
+                "'characters' argument must have a cell width of at least 1"
+            )
+        if align not in ("left", "center", "right"):
+            raise ValueError(
+                f'invalid value for align, expected "left", "center", "right" (not {align!r})'
+            )
+        self.title = title
+        self.characters = characters
+        self.style = style
+        self.end = end
+        self.align = align
+
+    def __repr__(self) -> str:
+        return f"Rule({self.title!r}, {self.characters!r})"
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        width = options.max_width
+
+        # Python3.6 doesn't have an isascii method on str
+        isascii = getattr(str, "isascii", None) or (
+            lambda s: all(ord(c) < 128 for c in s)
+        )
+        characters = (
+            "-"
+            if (options.ascii_only and not isascii(self.characters))
+            else self.characters
+        )
+
+        chars_len = cell_len(characters)
+        if not self.title:
+            rule_text = Text(characters * ((width // chars_len) + 1), self.style)
+            rule_text.truncate(width)
+            rule_text.plain = set_cell_size(rule_text.plain, width)
+            yield rule_text
+            return
+
+        if isinstance(self.title, Text):
+            title_text = self.title
+        else:
+            title_text = console.render_str(self.title, style="rule.text")
+
+        title_text.plain = title_text.plain.replace("\n", " ")
+        title_text.expand_tabs()
+        rule_text = Text(end=self.end)
+
+        if self.align == "center":
+            title_text.truncate(width - 4, overflow="ellipsis")
+            side_width = (width - cell_len(title_text.plain)) // 2
+            left = Text(characters * (side_width // chars_len + 1))
+            left.truncate(side_width - 1)
+            right_length = width - cell_len(left.plain) - cell_len(title_text.plain)
+            right = Text(characters * (side_width // chars_len + 1))
+            right.truncate(right_length)
+            rule_text.append(left.plain + " ", self.style)
+            rule_text.append(title_text)
+            rule_text.append(" " + right.plain, self.style)
+        elif self.align == "left":
+            title_text.truncate(width - 2, overflow="ellipsis")
+            rule_text.append(title_text)
+            rule_text.append(" ")
+            rule_text.append(characters * (width - rule_text.cell_len), self.style)
+        elif self.align == "right":
+            title_text.truncate(width - 2, overflow="ellipsis")
+            rule_text.append(characters * (width - title_text.cell_len - 1), self.style)
+            rule_text.append(" ")
+            rule_text.append(title_text)
+
+        rule_text.plain = set_cell_size(rule_text.plain, width)
+        yield rule_text
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+    import sys
+
+    try:
+        text = sys.argv[1]
+    except IndexError:
+        text = "Hello, World"
+    console = Console()
+    console.print(Rule(title=text))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/scope.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/scope.py
new file mode 100644
index 0000000000000000000000000000000000000000..6822b8ca5429db9785881dd30e3964a655a64a88
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/scope.py
@@ -0,0 +1,86 @@
+from collections.abc import Mapping
+from typing import TYPE_CHECKING, Any, Optional, Tuple
+
+from .highlighter import ReprHighlighter
+from .panel import Panel
+from .pretty import Pretty
+from .table import Table
+from .text import Text, TextType
+
+if TYPE_CHECKING:
+    from .console import ConsoleRenderable
+
+
+def render_scope(
+    scope: "Mapping[str, Any]",
+    *,
+    title: Optional[TextType] = None,
+    sort_keys: bool = True,
+    indent_guides: bool = False,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+) -> "ConsoleRenderable":
+    """Render python variables in a given scope.
+
+    Args:
+        scope (Mapping): A mapping containing variable names and values.
+        title (str, optional): Optional title. Defaults to None.
+        sort_keys (bool, optional): Enable sorting of items. Defaults to True.
+        indent_guides (bool, optional): Enable indentaton guides. Defaults to False.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to None.
+
+    Returns:
+        ConsoleRenderable: A renderable object.
+    """
+    highlighter = ReprHighlighter()
+    items_table = Table.grid(padding=(0, 1), expand=False)
+    items_table.add_column(justify="right")
+
+    def sort_items(item: Tuple[str, Any]) -> Tuple[bool, str]:
+        """Sort special variables first, then alphabetically."""
+        key, _ = item
+        return (not key.startswith("__"), key.lower())
+
+    items = sorted(scope.items(), key=sort_items) if sort_keys else scope.items()
+    for key, value in items:
+        key_text = Text.assemble(
+            (key, "scope.key.special" if key.startswith("__") else "scope.key"),
+            (" =", "scope.equals"),
+        )
+        items_table.add_row(
+            key_text,
+            Pretty(
+                value,
+                highlighter=highlighter,
+                indent_guides=indent_guides,
+                max_length=max_length,
+                max_string=max_string,
+            ),
+        )
+    return Panel.fit(
+        items_table,
+        title=title,
+        border_style="scope.border",
+        padding=(0, 1),
+    )
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich import print
+
+    print()
+
+    def test(foo: float, bar: float) -> None:
+        list_of_things = [1, 2, 3, None, 4, True, False, "Hello World"]
+        dict_of_things = {
+            "version": "1.1",
+            "method": "confirmFruitPurchase",
+            "params": [["apple", "orange", "mangoes", "pomelo"], 1.123],
+            "id": "194521489",
+        }
+        print(render_scope(locals(), title="[i]locals", sort_keys=False))
+
+    test(20.3423, 3.1427)
+    print()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/screen.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/screen.py
new file mode 100644
index 0000000000000000000000000000000000000000..7f416e1e799abfbf62382456020cc8e59e5cf01f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/screen.py
@@ -0,0 +1,54 @@
+from typing import Optional, TYPE_CHECKING
+
+from .segment import Segment
+from .style import StyleType
+from ._loop import loop_last
+
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        RenderResult,
+        RenderableType,
+        Group,
+    )
+
+
+class Screen:
+    """A renderable that fills the terminal screen and crops excess.
+
+    Args:
+        renderable (RenderableType): Child renderable.
+        style (StyleType, optional): Optional background style. Defaults to None.
+    """
+
+    renderable: "RenderableType"
+
+    def __init__(
+        self,
+        *renderables: "RenderableType",
+        style: Optional[StyleType] = None,
+        application_mode: bool = False,
+    ) -> None:
+        from pip._vendor.rich.console import Group
+
+        self.renderable = Group(*renderables)
+        self.style = style
+        self.application_mode = application_mode
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        width, height = options.size
+        style = console.get_style(self.style) if self.style else None
+        render_options = options.update(width=width, height=height)
+        lines = console.render_lines(
+            self.renderable or "", render_options, style=style, pad=True
+        )
+        lines = Segment.set_shape(lines, width, height, style=style)
+        new_line = Segment("\n\r") if self.application_mode else Segment.line()
+        for last, line in loop_last(lines):
+            yield from line
+            if not last:
+                yield new_line
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/segment.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/segment.py
new file mode 100644
index 0000000000000000000000000000000000000000..94ca73076d8ec9c7a6d47e401736dad084070437
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/segment.py
@@ -0,0 +1,720 @@
+from enum import IntEnum
+from functools import lru_cache
+from itertools import filterfalse
+from logging import getLogger
+from operator import attrgetter
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    Type,
+    Union,
+)
+
+from .cells import (
+    _is_single_cell_widths,
+    cell_len,
+    get_character_cell_size,
+    set_cell_size,
+)
+from .repr import Result, rich_repr
+from .style import Style
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult
+
+log = getLogger("rich")
+
+
+class ControlType(IntEnum):
+    """Non-printable control codes which typically translate to ANSI codes."""
+
+    BELL = 1
+    CARRIAGE_RETURN = 2
+    HOME = 3
+    CLEAR = 4
+    SHOW_CURSOR = 5
+    HIDE_CURSOR = 6
+    ENABLE_ALT_SCREEN = 7
+    DISABLE_ALT_SCREEN = 8
+    CURSOR_UP = 9
+    CURSOR_DOWN = 10
+    CURSOR_FORWARD = 11
+    CURSOR_BACKWARD = 12
+    CURSOR_MOVE_TO_COLUMN = 13
+    CURSOR_MOVE_TO = 14
+    ERASE_IN_LINE = 15
+
+
+ControlCode = Union[
+    Tuple[ControlType], Tuple[ControlType, int], Tuple[ControlType, int, int]
+]
+
+
+@rich_repr()
+class Segment(NamedTuple):
+    """A piece of text with associated style. Segments are produced by the Console render process and
+    are ultimately converted in to strings to be written to the terminal.
+
+    Args:
+        text (str): A piece of text.
+        style (:class:`~rich.style.Style`, optional): An optional style to apply to the text.
+        control (Tuple[ControlCode..], optional): Optional sequence of control codes.
+    """
+
+    text: str = ""
+    """Raw text."""
+    style: Optional[Style] = None
+    """An optional style."""
+    control: Optional[Sequence[ControlCode]] = None
+    """Optional sequence of control codes."""
+
+    def __rich_repr__(self) -> Result:
+        yield self.text
+        if self.control is None:
+            if self.style is not None:
+                yield self.style
+        else:
+            yield self.style
+            yield self.control
+
+    def __bool__(self) -> bool:
+        """Check if the segment contains text."""
+        return bool(self.text)
+
+    @property
+    def cell_length(self) -> int:
+        """Get cell length of segment."""
+        return 0 if self.control else cell_len(self.text)
+
+    @property
+    def is_control(self) -> bool:
+        """Check if the segment contains control codes."""
+        return self.control is not None
+
+    @classmethod
+    @lru_cache(1024 * 16)
+    def _split_cells(cls, segment: "Segment", cut: int) -> Tuple["Segment", "Segment"]:  # type: ignore
+
+        text, style, control = segment
+        _Segment = Segment
+
+        cell_length = segment.cell_length
+        if cut >= cell_length:
+            return segment, _Segment("", style, control)
+
+        cell_size = get_character_cell_size
+
+        pos = int((cut / cell_length) * len(text))
+
+        before = text[:pos]
+        cell_pos = cell_len(before)
+        if cell_pos == cut:
+            return (
+                _Segment(before, style, control),
+                _Segment(text[pos:], style, control),
+            )
+        while pos < len(text):
+            char = text[pos]
+            pos += 1
+            cell_pos += cell_size(char)
+            before = text[:pos]
+            if cell_pos == cut:
+                return (
+                    _Segment(before, style, control),
+                    _Segment(text[pos:], style, control),
+                )
+            if cell_pos > cut:
+                return (
+                    _Segment(before[: pos - 1] + " ", style, control),
+                    _Segment(" " + text[pos:], style, control),
+                )
+
+    def split_cells(self, cut: int) -> Tuple["Segment", "Segment"]:
+        """Split segment in to two segments at the specified column.
+
+        If the cut point falls in the middle of a 2-cell wide character then it is replaced
+        by two spaces, to preserve the display width of the parent segment.
+
+        Returns:
+            Tuple[Segment, Segment]: Two segments.
+        """
+        text, style, control = self
+
+        if _is_single_cell_widths(text):
+            # Fast path with all 1 cell characters
+            if cut >= len(text):
+                return self, Segment("", style, control)
+            return (
+                Segment(text[:cut], style, control),
+                Segment(text[cut:], style, control),
+            )
+
+        return self._split_cells(self, cut)
+
+    @classmethod
+    def line(cls) -> "Segment":
+        """Make a new line segment."""
+        return cls("\n")
+
+    @classmethod
+    def apply_style(
+        cls,
+        segments: Iterable["Segment"],
+        style: Optional[Style] = None,
+        post_style: Optional[Style] = None,
+    ) -> Iterable["Segment"]:
+        """Apply style(s) to an iterable of segments.
+
+        Returns an iterable of segments where the style is replaced by ``style + segment.style + post_style``.
+
+        Args:
+            segments (Iterable[Segment]): Segments to process.
+            style (Style, optional): Base style. Defaults to None.
+            post_style (Style, optional): Style to apply on top of segment style. Defaults to None.
+
+        Returns:
+            Iterable[Segments]: A new iterable of segments (possibly the same iterable).
+        """
+        result_segments = segments
+        if style:
+            apply = style.__add__
+            result_segments = (
+                cls(text, None if control else apply(_style), control)
+                for text, _style, control in result_segments
+            )
+        if post_style:
+            result_segments = (
+                cls(
+                    text,
+                    (
+                        None
+                        if control
+                        else (_style + post_style if _style else post_style)
+                    ),
+                    control,
+                )
+                for text, _style, control in result_segments
+            )
+        return result_segments
+
+    @classmethod
+    def filter_control(
+        cls, segments: Iterable["Segment"], is_control: bool = False
+    ) -> Iterable["Segment"]:
+        """Filter segments by ``is_control`` attribute.
+
+        Args:
+            segments (Iterable[Segment]): An iterable of Segment instances.
+            is_control (bool, optional): is_control flag to match in search.
+
+        Returns:
+            Iterable[Segment]: And iterable of Segment instances.
+
+        """
+        if is_control:
+            return filter(attrgetter("control"), segments)
+        else:
+            return filterfalse(attrgetter("control"), segments)
+
+    @classmethod
+    def split_lines(cls, segments: Iterable["Segment"]) -> Iterable[List["Segment"]]:
+        """Split a sequence of segments in to a list of lines.
+
+        Args:
+            segments (Iterable[Segment]): Segments potentially containing line feeds.
+
+        Yields:
+            Iterable[List[Segment]]: Iterable of segment lists, one per line.
+        """
+        line: List[Segment] = []
+        append = line.append
+
+        for segment in segments:
+            if "\n" in segment.text and not segment.control:
+                text, style, _ = segment
+                while text:
+                    _text, new_line, text = text.partition("\n")
+                    if _text:
+                        append(cls(_text, style))
+                    if new_line:
+                        yield line
+                        line = []
+                        append = line.append
+            else:
+                append(segment)
+        if line:
+            yield line
+
+    @classmethod
+    def split_and_crop_lines(
+        cls,
+        segments: Iterable["Segment"],
+        length: int,
+        style: Optional[Style] = None,
+        pad: bool = True,
+        include_new_lines: bool = True,
+    ) -> Iterable[List["Segment"]]:
+        """Split segments in to lines, and crop lines greater than a given length.
+
+        Args:
+            segments (Iterable[Segment]): An iterable of segments, probably
+                generated from console.render.
+            length (int): Desired line length.
+            style (Style, optional): Style to use for any padding.
+            pad (bool): Enable padding of lines that are less than `length`.
+
+        Returns:
+            Iterable[List[Segment]]: An iterable of lines of segments.
+        """
+        line: List[Segment] = []
+        append = line.append
+
+        adjust_line_length = cls.adjust_line_length
+        new_line_segment = cls("\n")
+
+        for segment in segments:
+            if "\n" in segment.text and not segment.control:
+                text, style, _ = segment
+                while text:
+                    _text, new_line, text = text.partition("\n")
+                    if _text:
+                        append(cls(_text, style))
+                    if new_line:
+                        cropped_line = adjust_line_length(
+                            line, length, style=style, pad=pad
+                        )
+                        if include_new_lines:
+                            cropped_line.append(new_line_segment)
+                        yield cropped_line
+                        del line[:]
+            else:
+                append(segment)
+        if line:
+            yield adjust_line_length(line, length, style=style, pad=pad)
+
+    @classmethod
+    def adjust_line_length(
+        cls,
+        line: List["Segment"],
+        length: int,
+        style: Optional[Style] = None,
+        pad: bool = True,
+    ) -> List["Segment"]:
+        """Adjust a line to a given width (cropping or padding as required).
+
+        Args:
+            segments (Iterable[Segment]): A list of segments in a single line.
+            length (int): The desired width of the line.
+            style (Style, optional): The style of padding if used (space on the end). Defaults to None.
+            pad (bool, optional): Pad lines with spaces if they are shorter than `length`. Defaults to True.
+
+        Returns:
+            List[Segment]: A line of segments with the desired length.
+        """
+        line_length = sum(segment.cell_length for segment in line)
+        new_line: List[Segment]
+
+        if line_length < length:
+            if pad:
+                new_line = line + [cls(" " * (length - line_length), style)]
+            else:
+                new_line = line[:]
+        elif line_length > length:
+            new_line = []
+            append = new_line.append
+            line_length = 0
+            for segment in line:
+                segment_length = segment.cell_length
+                if line_length + segment_length < length or segment.control:
+                    append(segment)
+                    line_length += segment_length
+                else:
+                    text, segment_style, _ = segment
+                    text = set_cell_size(text, length - line_length)
+                    append(cls(text, segment_style))
+                    break
+        else:
+            new_line = line[:]
+        return new_line
+
+    @classmethod
+    def get_line_length(cls, line: List["Segment"]) -> int:
+        """Get the length of list of segments.
+
+        Args:
+            line (List[Segment]): A line encoded as a list of Segments (assumes no '\\\\n' characters),
+
+        Returns:
+            int: The length of the line.
+        """
+        _cell_len = cell_len
+        return sum(_cell_len(segment.text) for segment in line)
+
+    @classmethod
+    def get_shape(cls, lines: List[List["Segment"]]) -> Tuple[int, int]:
+        """Get the shape (enclosing rectangle) of a list of lines.
+
+        Args:
+            lines (List[List[Segment]]): A list of lines (no '\\\\n' characters).
+
+        Returns:
+            Tuple[int, int]: Width and height in characters.
+        """
+        get_line_length = cls.get_line_length
+        max_width = max(get_line_length(line) for line in lines) if lines else 0
+        return (max_width, len(lines))
+
+    @classmethod
+    def set_shape(
+        cls,
+        lines: List[List["Segment"]],
+        width: int,
+        height: Optional[int] = None,
+        style: Optional[Style] = None,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Set the shape of a list of lines (enclosing rectangle).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style, optional): Style of any padding added.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        _height = height or len(lines)
+
+        blank = (
+            [cls(" " * width + "\n", style)] if new_lines else [cls(" " * width, style)]
+        )
+
+        adjust_line_length = cls.adjust_line_length
+        shaped_lines = lines[:_height]
+        shaped_lines[:] = [
+            adjust_line_length(line, width, style=style) for line in lines
+        ]
+        if len(shaped_lines) < _height:
+            shaped_lines.extend([blank] * (_height - len(shaped_lines)))
+        return shaped_lines
+
+    @classmethod
+    def align_top(
+        cls: Type["Segment"],
+        lines: List[List["Segment"]],
+        width: int,
+        height: int,
+        style: Style,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Aligns lines to top (adds extra lines to bottom as required).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style): Style of any padding added.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        extra_lines = height - len(lines)
+        if not extra_lines:
+            return lines[:]
+        lines = lines[:height]
+        blank = cls(" " * width + "\n", style) if new_lines else cls(" " * width, style)
+        lines = lines + [[blank]] * extra_lines
+        return lines
+
+    @classmethod
+    def align_bottom(
+        cls: Type["Segment"],
+        lines: List[List["Segment"]],
+        width: int,
+        height: int,
+        style: Style,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Aligns render to bottom (adds extra lines above as required).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style): Style of any padding added. Defaults to None.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        extra_lines = height - len(lines)
+        if not extra_lines:
+            return lines[:]
+        lines = lines[:height]
+        blank = cls(" " * width + "\n", style) if new_lines else cls(" " * width, style)
+        lines = [[blank]] * extra_lines + lines
+        return lines
+
+    @classmethod
+    def align_middle(
+        cls: Type["Segment"],
+        lines: List[List["Segment"]],
+        width: int,
+        height: int,
+        style: Style,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Aligns lines to middle (adds extra lines to above and below as required).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style): Style of any padding added.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        extra_lines = height - len(lines)
+        if not extra_lines:
+            return lines[:]
+        lines = lines[:height]
+        blank = cls(" " * width + "\n", style) if new_lines else cls(" " * width, style)
+        top_lines = extra_lines // 2
+        bottom_lines = extra_lines - top_lines
+        lines = [[blank]] * top_lines + lines + [[blank]] * bottom_lines
+        return lines
+
+    @classmethod
+    def simplify(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Simplify an iterable of segments by combining contiguous segments with the same style.
+
+        Args:
+            segments (Iterable[Segment]): An iterable of segments.
+
+        Returns:
+            Iterable[Segment]: A possibly smaller iterable of segments that will render the same way.
+        """
+        iter_segments = iter(segments)
+        try:
+            last_segment = next(iter_segments)
+        except StopIteration:
+            return
+
+        _Segment = Segment
+        for segment in iter_segments:
+            if last_segment.style == segment.style and not segment.control:
+                last_segment = _Segment(
+                    last_segment.text + segment.text, last_segment.style
+                )
+            else:
+                yield last_segment
+                last_segment = segment
+        yield last_segment
+
+    @classmethod
+    def strip_links(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Remove all links from an iterable of styles.
+
+        Args:
+            segments (Iterable[Segment]): An iterable segments.
+
+        Yields:
+            Segment: Segments with link removed.
+        """
+        for segment in segments:
+            if segment.control or segment.style is None:
+                yield segment
+            else:
+                text, style, _control = segment
+                yield cls(text, style.update_link(None) if style else None)
+
+    @classmethod
+    def strip_styles(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Remove all styles from an iterable of segments.
+
+        Args:
+            segments (Iterable[Segment]): An iterable segments.
+
+        Yields:
+            Segment: Segments with styles replace with None
+        """
+        for text, _style, control in segments:
+            yield cls(text, None, control)
+
+    @classmethod
+    def remove_color(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Remove all color from an iterable of segments.
+
+        Args:
+            segments (Iterable[Segment]): An iterable segments.
+
+        Yields:
+            Segment: Segments with colorless style.
+        """
+
+        cache: Dict[Style, Style] = {}
+        for text, style, control in segments:
+            if style:
+                colorless_style = cache.get(style)
+                if colorless_style is None:
+                    colorless_style = style.without_color
+                    cache[style] = colorless_style
+                yield cls(text, colorless_style, control)
+            else:
+                yield cls(text, None, control)
+
+    @classmethod
+    def divide(
+        cls, segments: Iterable["Segment"], cuts: Iterable[int]
+    ) -> Iterable[List["Segment"]]:
+        """Divides an iterable of segments in to portions.
+
+        Args:
+            cuts (Iterable[int]): Cell positions where to divide.
+
+        Yields:
+            [Iterable[List[Segment]]]: An iterable of Segments in List.
+        """
+        split_segments: List["Segment"] = []
+        add_segment = split_segments.append
+
+        iter_cuts = iter(cuts)
+
+        while True:
+            try:
+                cut = next(iter_cuts)
+            except StopIteration:
+                return []
+            if cut != 0:
+                break
+            yield []
+        pos = 0
+
+        for segment in segments:
+            while segment.text:
+                end_pos = pos + segment.cell_length
+                if end_pos < cut:
+                    add_segment(segment)
+                    pos = end_pos
+                    break
+
+                try:
+                    if end_pos == cut:
+                        add_segment(segment)
+                        yield split_segments[:]
+                        del split_segments[:]
+                        pos = end_pos
+                        break
+                    else:
+                        before, segment = segment.split_cells(cut - pos)
+                        add_segment(before)
+                        yield split_segments[:]
+                        del split_segments[:]
+                        pos = cut
+                finally:
+                    try:
+                        cut = next(iter_cuts)
+                    except StopIteration:
+                        if split_segments:
+                            yield split_segments[:]
+                        return
+        yield split_segments[:]
+
+
+class Segments:
+    """A simple renderable to render an iterable of segments. This class may be useful if
+    you want to print segments outside of a __rich_console__ method.
+
+    Args:
+        segments (Iterable[Segment]): An iterable of segments.
+        new_lines (bool, optional): Add new lines between segments. Defaults to False.
+    """
+
+    def __init__(self, segments: Iterable[Segment], new_lines: bool = False) -> None:
+        self.segments = list(segments)
+        self.new_lines = new_lines
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.new_lines:
+            line = Segment.line()
+            for segment in self.segments:
+                yield segment
+                yield line
+        else:
+            yield from self.segments
+
+
+class SegmentLines:
+    def __init__(self, lines: Iterable[List[Segment]], new_lines: bool = False) -> None:
+        """A simple renderable containing a number of lines of segments. May be used as an intermediate
+        in rendering process.
+
+        Args:
+            lines (Iterable[List[Segment]]): Lists of segments forming lines.
+            new_lines (bool, optional): Insert new lines after each line. Defaults to False.
+        """
+        self.lines = list(lines)
+        self.new_lines = new_lines
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.new_lines:
+            new_line = Segment.line()
+            for line in self.lines:
+                yield from line
+                yield new_line
+        else:
+            for line in self.lines:
+                yield from line
+
+
+if __name__ == "__main__":
+
+    if __name__ == "__main__":  # pragma: no cover
+        from pip._vendor.rich.console import Console
+        from pip._vendor.rich.syntax import Syntax
+        from pip._vendor.rich.text import Text
+
+        code = """from rich.console import Console
+    console = Console()
+    text = Text.from_markup("Hello, [bold magenta]World[/]!")
+    console.print(text)"""
+
+        text = Text.from_markup("Hello, [bold magenta]World[/]!")
+
+        console = Console()
+
+        console.rule("rich.Segment")
+        console.print(
+            "A Segment is the last step in the Rich render process before generating text with ANSI codes."
+        )
+        console.print("\nConsider the following code:\n")
+        console.print(Syntax(code, "python", line_numbers=True))
+        console.print()
+        console.print(
+            "When you call [b]print()[/b], Rich [i]renders[/i] the object in to the the following:\n"
+        )
+        fragments = list(console.render(text))
+        console.print(fragments)
+        console.print()
+        console.print(
+            "The Segments are then processed to produce the following output:\n"
+        )
+        console.print(text)
+        console.print(
+            "\nYou will only need to know this if you are implementing your own Rich renderables."
+        )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/spinner.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/spinner.py
new file mode 100644
index 0000000000000000000000000000000000000000..5b13b1e9ba2c495ee4f00b8bc1f750625b7b6ff7
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/spinner.py
@@ -0,0 +1,134 @@
+from typing import cast, List, Optional, TYPE_CHECKING
+
+from ._spinners import SPINNERS
+from .measure import Measurement
+from .table import Table
+from .text import Text
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult, RenderableType
+    from .style import StyleType
+
+
+class Spinner:
+    def __init__(
+        self,
+        name: str,
+        text: "RenderableType" = "",
+        *,
+        style: Optional["StyleType"] = None,
+        speed: float = 1.0,
+    ) -> None:
+        """A spinner animation.
+
+        Args:
+            name (str): Name of spinner (run python -m rich.spinner).
+            text (RenderableType, optional): A renderable to display at the right of the spinner (str or Text typically). Defaults to "".
+            style (StyleType, optional): Style for spinner animation. Defaults to None.
+            speed (float, optional): Speed factor for animation. Defaults to 1.0.
+
+        Raises:
+            KeyError: If name isn't one of the supported spinner animations.
+        """
+        try:
+            spinner = SPINNERS[name]
+        except KeyError:
+            raise KeyError(f"no spinner called {name!r}")
+        self.text = Text.from_markup(text) if isinstance(text, str) else text
+        self.frames = cast(List[str], spinner["frames"])[:]
+        self.interval = cast(float, spinner["interval"])
+        self.start_time: Optional[float] = None
+        self.style = style
+        self.speed = speed
+        self.frame_no_offset: float = 0.0
+        self._update_speed = 0.0
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        yield self.render(console.get_time())
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        text = self.render(0)
+        return Measurement.get(console, options, text)
+
+    def render(self, time: float) -> "RenderableType":
+        """Render the spinner for a given time.
+
+        Args:
+            time (float): Time in seconds.
+
+        Returns:
+            RenderableType: A renderable containing animation frame.
+        """
+        if self.start_time is None:
+            self.start_time = time
+
+        frame_no = ((time - self.start_time) * self.speed) / (
+            self.interval / 1000.0
+        ) + self.frame_no_offset
+        frame = Text(
+            self.frames[int(frame_no) % len(self.frames)], style=self.style or ""
+        )
+
+        if self._update_speed:
+            self.frame_no_offset = frame_no
+            self.start_time = time
+            self.speed = self._update_speed
+            self._update_speed = 0.0
+
+        if not self.text:
+            return frame
+        elif isinstance(self.text, (str, Text)):
+            return Text.assemble(frame, " ", self.text)
+        else:
+            table = Table.grid(padding=1)
+            table.add_row(frame, self.text)
+            return table
+
+    def update(
+        self,
+        *,
+        text: "RenderableType" = "",
+        style: Optional["StyleType"] = None,
+        speed: Optional[float] = None,
+    ) -> None:
+        """Updates attributes of a spinner after it has been started.
+
+        Args:
+            text (RenderableType, optional): A renderable to display at the right of the spinner (str or Text typically). Defaults to "".
+            style (StyleType, optional): Style for spinner animation. Defaults to None.
+            speed (float, optional): Speed factor for animation. Defaults to None.
+        """
+        if text:
+            self.text = Text.from_markup(text) if isinstance(text, str) else text
+        if style:
+            self.style = style
+        if speed:
+            self._update_speed = speed
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from time import sleep
+
+    from .columns import Columns
+    from .panel import Panel
+    from .live import Live
+
+    all_spinners = Columns(
+        [
+            Spinner(spinner_name, text=Text(repr(spinner_name), style="green"))
+            for spinner_name in sorted(SPINNERS.keys())
+        ],
+        column_first=True,
+        expand=True,
+    )
+
+    with Live(
+        Panel(all_spinners, title="Spinners", border_style="blue"),
+        refresh_per_second=20,
+    ) as live:
+        while True:
+            sleep(0.1)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/status.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/status.py
new file mode 100644
index 0000000000000000000000000000000000000000..09eff405ec194ee2884f203cb48c5df54ff0b9c7
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/status.py
@@ -0,0 +1,132 @@
+from types import TracebackType
+from typing import Optional, Type
+
+from .console import Console, RenderableType
+from .jupyter import JupyterMixin
+from .live import Live
+from .spinner import Spinner
+from .style import StyleType
+
+
+class Status(JupyterMixin):
+    """Displays a status indicator with a 'spinner' animation.
+
+    Args:
+        status (RenderableType): A status renderable (str or Text typically).
+        console (Console, optional): Console instance to use, or None for global console. Defaults to None.
+        spinner (str, optional): Name of spinner animation (see python -m rich.spinner). Defaults to "dots".
+        spinner_style (StyleType, optional): Style of spinner. Defaults to "status.spinner".
+        speed (float, optional): Speed factor for spinner animation. Defaults to 1.0.
+        refresh_per_second (float, optional): Number of refreshes per second. Defaults to 12.5.
+    """
+
+    def __init__(
+        self,
+        status: RenderableType,
+        *,
+        console: Optional[Console] = None,
+        spinner: str = "dots",
+        spinner_style: StyleType = "status.spinner",
+        speed: float = 1.0,
+        refresh_per_second: float = 12.5,
+    ):
+        self.status = status
+        self.spinner_style = spinner_style
+        self.speed = speed
+        self._spinner = Spinner(spinner, text=status, style=spinner_style, speed=speed)
+        self._live = Live(
+            self.renderable,
+            console=console,
+            refresh_per_second=refresh_per_second,
+            transient=True,
+        )
+
+    @property
+    def renderable(self) -> Spinner:
+        return self._spinner
+
+    @property
+    def console(self) -> "Console":
+        """Get the Console used by the Status objects."""
+        return self._live.console
+
+    def update(
+        self,
+        status: Optional[RenderableType] = None,
+        *,
+        spinner: Optional[str] = None,
+        spinner_style: Optional[StyleType] = None,
+        speed: Optional[float] = None,
+    ) -> None:
+        """Update status.
+
+        Args:
+            status (Optional[RenderableType], optional): New status renderable or None for no change. Defaults to None.
+            spinner (Optional[str], optional): New spinner or None for no change. Defaults to None.
+            spinner_style (Optional[StyleType], optional): New spinner style or None for no change. Defaults to None.
+            speed (Optional[float], optional): Speed factor for spinner animation or None for no change. Defaults to None.
+        """
+        if status is not None:
+            self.status = status
+        if spinner_style is not None:
+            self.spinner_style = spinner_style
+        if speed is not None:
+            self.speed = speed
+        if spinner is not None:
+            self._spinner = Spinner(
+                spinner, text=self.status, style=self.spinner_style, speed=self.speed
+            )
+            self._live.update(self.renderable, refresh=True)
+        else:
+            self._spinner.update(
+                text=self.status, style=self.spinner_style, speed=self.speed
+            )
+
+    def start(self) -> None:
+        """Start the status animation."""
+        self._live.start()
+
+    def stop(self) -> None:
+        """Stop the spinner animation."""
+        self._live.stop()
+
+    def __rich__(self) -> RenderableType:
+        return self.renderable
+
+    def __enter__(self) -> "Status":
+        self.start()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.stop()
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from time import sleep
+
+    from .console import Console
+
+    console = Console()
+    with console.status("[magenta]Covid detector booting up") as status:
+        sleep(3)
+        console.log("Importing advanced AI")
+        sleep(3)
+        console.log("Advanced Covid AI Ready")
+        sleep(3)
+        status.update(status="[bold blue] Scanning for Covid", spinner="earth")
+        sleep(3)
+        console.log("Found 10,000,000,000 copies of Covid32.exe")
+        sleep(3)
+        status.update(
+            status="[bold red]Moving Covid32.exe to Trash",
+            spinner="bouncingBall",
+            spinner_style="yellow",
+        )
+        sleep(5)
+    console.print("[bold green]Covid deleted successfully")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/style.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/style.py
new file mode 100644
index 0000000000000000000000000000000000000000..0787c33147b484432bcb4dc5523ab9c8d73bc197
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/style.py
@@ -0,0 +1,785 @@
+import sys
+from functools import lru_cache
+from marshal import loads, dumps
+from random import randint
+from typing import Any, cast, Dict, Iterable, List, Optional, Type, Union
+
+from . import errors
+from .color import Color, ColorParseError, ColorSystem, blend_rgb
+from .repr import rich_repr, Result
+from .terminal_theme import DEFAULT_TERMINAL_THEME, TerminalTheme
+
+
+# Style instances and style definitions are often interchangeable
+StyleType = Union[str, "Style"]
+
+
+class _Bit:
+    """A descriptor to get/set a style attribute bit."""
+
+    __slots__ = ["bit"]
+
+    def __init__(self, bit_no: int) -> None:
+        self.bit = 1 << bit_no
+
+    def __get__(self, obj: "Style", objtype: Type["Style"]) -> Optional[bool]:
+        if obj._set_attributes & self.bit:
+            return obj._attributes & self.bit != 0
+        return None
+
+
+@rich_repr
+class Style:
+    """A terminal style.
+
+    A terminal style consists of a color (`color`), a background color (`bgcolor`), and a number of attributes, such
+    as bold, italic etc. The attributes have 3 states: they can either be on
+    (``True``), off (``False``), or not set (``None``).
+
+    Args:
+        color (Union[Color, str], optional): Color of terminal text. Defaults to None.
+        bgcolor (Union[Color, str], optional): Color of terminal background. Defaults to None.
+        bold (bool, optional): Enable bold text. Defaults to None.
+        dim (bool, optional): Enable dim text. Defaults to None.
+        italic (bool, optional): Enable italic text. Defaults to None.
+        underline (bool, optional): Enable underlined text. Defaults to None.
+        blink (bool, optional): Enabled blinking text. Defaults to None.
+        blink2 (bool, optional): Enable fast blinking text. Defaults to None.
+        reverse (bool, optional): Enabled reverse text. Defaults to None.
+        conceal (bool, optional): Enable concealed text. Defaults to None.
+        strike (bool, optional): Enable strikethrough text. Defaults to None.
+        underline2 (bool, optional): Enable doubly underlined text. Defaults to None.
+        frame (bool, optional): Enable framed text. Defaults to None.
+        encircle (bool, optional): Enable encircled text. Defaults to None.
+        overline (bool, optional): Enable overlined text. Defaults to None.
+        link (str, link): Link URL. Defaults to None.
+
+    """
+
+    _color: Optional[Color]
+    _bgcolor: Optional[Color]
+    _attributes: int
+    _set_attributes: int
+    _hash: int
+    _null: bool
+    _meta: Optional[bytes]
+
+    __slots__ = [
+        "_color",
+        "_bgcolor",
+        "_attributes",
+        "_set_attributes",
+        "_link",
+        "_link_id",
+        "_ansi",
+        "_style_definition",
+        "_hash",
+        "_null",
+        "_meta",
+    ]
+
+    # maps bits on to SGR parameter
+    _style_map = {
+        0: "1",
+        1: "2",
+        2: "3",
+        3: "4",
+        4: "5",
+        5: "6",
+        6: "7",
+        7: "8",
+        8: "9",
+        9: "21",
+        10: "51",
+        11: "52",
+        12: "53",
+    }
+
+    STYLE_ATTRIBUTES = {
+        "dim": "dim",
+        "d": "dim",
+        "bold": "bold",
+        "b": "bold",
+        "italic": "italic",
+        "i": "italic",
+        "underline": "underline",
+        "u": "underline",
+        "blink": "blink",
+        "blink2": "blink2",
+        "reverse": "reverse",
+        "r": "reverse",
+        "conceal": "conceal",
+        "c": "conceal",
+        "strike": "strike",
+        "s": "strike",
+        "underline2": "underline2",
+        "uu": "underline2",
+        "frame": "frame",
+        "encircle": "encircle",
+        "overline": "overline",
+        "o": "overline",
+    }
+
+    def __init__(
+        self,
+        *,
+        color: Optional[Union[Color, str]] = None,
+        bgcolor: Optional[Union[Color, str]] = None,
+        bold: Optional[bool] = None,
+        dim: Optional[bool] = None,
+        italic: Optional[bool] = None,
+        underline: Optional[bool] = None,
+        blink: Optional[bool] = None,
+        blink2: Optional[bool] = None,
+        reverse: Optional[bool] = None,
+        conceal: Optional[bool] = None,
+        strike: Optional[bool] = None,
+        underline2: Optional[bool] = None,
+        frame: Optional[bool] = None,
+        encircle: Optional[bool] = None,
+        overline: Optional[bool] = None,
+        link: Optional[str] = None,
+        meta: Optional[Dict[str, Any]] = None,
+    ):
+        self._ansi: Optional[str] = None
+        self._style_definition: Optional[str] = None
+
+        def _make_color(color: Union[Color, str]) -> Color:
+            return color if isinstance(color, Color) else Color.parse(color)
+
+        self._color = None if color is None else _make_color(color)
+        self._bgcolor = None if bgcolor is None else _make_color(bgcolor)
+        self._set_attributes = sum(
+            (
+                bold is not None,
+                dim is not None and 2,
+                italic is not None and 4,
+                underline is not None and 8,
+                blink is not None and 16,
+                blink2 is not None and 32,
+                reverse is not None and 64,
+                conceal is not None and 128,
+                strike is not None and 256,
+                underline2 is not None and 512,
+                frame is not None and 1024,
+                encircle is not None and 2048,
+                overline is not None and 4096,
+            )
+        )
+        self._attributes = (
+            sum(
+                (
+                    bold and 1 or 0,
+                    dim and 2 or 0,
+                    italic and 4 or 0,
+                    underline and 8 or 0,
+                    blink and 16 or 0,
+                    blink2 and 32 or 0,
+                    reverse and 64 or 0,
+                    conceal and 128 or 0,
+                    strike and 256 or 0,
+                    underline2 and 512 or 0,
+                    frame and 1024 or 0,
+                    encircle and 2048 or 0,
+                    overline and 4096 or 0,
+                )
+            )
+            if self._set_attributes
+            else 0
+        )
+
+        self._link = link
+        self._link_id = f"{randint(0, 999999)}" if link else ""
+        self._meta = None if meta is None else dumps(meta)
+        self._hash = hash(
+            (
+                self._color,
+                self._bgcolor,
+                self._attributes,
+                self._set_attributes,
+                link,
+                self._meta,
+            )
+        )
+        self._null = not (self._set_attributes or color or bgcolor or link or meta)
+
+    @classmethod
+    def null(cls) -> "Style":
+        """Create an 'null' style, equivalent to Style(), but more performant."""
+        return NULL_STYLE
+
+    @classmethod
+    def from_color(
+        cls, color: Optional[Color] = None, bgcolor: Optional[Color] = None
+    ) -> "Style":
+        """Create a new style with colors and no attributes.
+
+        Returns:
+            color (Optional[Color]): A (foreground) color, or None for no color. Defaults to None.
+            bgcolor (Optional[Color]): A (background) color, or None for no color. Defaults to None.
+        """
+        style: Style = cls.__new__(Style)
+        style._ansi = None
+        style._style_definition = None
+        style._color = color
+        style._bgcolor = bgcolor
+        style._set_attributes = 0
+        style._attributes = 0
+        style._link = None
+        style._link_id = ""
+        style._meta = None
+        style._hash = hash(
+            (
+                color,
+                bgcolor,
+                None,
+                None,
+                None,
+                None,
+            )
+        )
+        style._null = not (color or bgcolor)
+        return style
+
+    @classmethod
+    def from_meta(cls, meta: Optional[Dict[str, Any]]) -> "Style":
+        """Create a new style with meta data.
+
+        Returns:
+            meta (Optional[Dict[str, Any]]): A dictionary of meta data. Defaults to None.
+        """
+        style: Style = cls.__new__(Style)
+        style._ansi = None
+        style._style_definition = None
+        style._color = None
+        style._bgcolor = None
+        style._set_attributes = 0
+        style._attributes = 0
+        style._link = None
+        style._link_id = ""
+        style._meta = dumps(meta)
+        style._hash = hash(
+            (
+                None,
+                None,
+                None,
+                None,
+                None,
+                style._meta,
+            )
+        )
+        style._null = not (meta)
+        return style
+
+    @classmethod
+    def on(cls, meta: Optional[Dict[str, Any]] = None, **handlers: Any) -> "Style":
+        """Create a blank style with meta information.
+
+        Example:
+            style = Style.on(click=self.on_click)
+
+        Args:
+            meta (Optiona[Dict[str, Any]], optional): An optional dict of meta information.
+            **handlers (Any): Keyword arguments are translated in to handlers.
+
+        Returns:
+            Style: A Style with meta information attached.
+        """
+        meta = {} if meta is None else meta
+        meta.update({f"@{key}": value for key, value in handlers.items()})
+        return cls.from_meta(meta)
+
+    bold = _Bit(0)
+    dim = _Bit(1)
+    italic = _Bit(2)
+    underline = _Bit(3)
+    blink = _Bit(4)
+    blink2 = _Bit(5)
+    reverse = _Bit(6)
+    conceal = _Bit(7)
+    strike = _Bit(8)
+    underline2 = _Bit(9)
+    frame = _Bit(10)
+    encircle = _Bit(11)
+    overline = _Bit(12)
+
+    @property
+    def link_id(self) -> str:
+        """Get a link id, used in ansi code for links."""
+        return self._link_id
+
+    def __str__(self) -> str:
+        """Re-generate style definition from attributes."""
+        if self._style_definition is None:
+            attributes: List[str] = []
+            append = attributes.append
+            bits = self._set_attributes
+            if bits & 0b0000000001111:
+                if bits & 1:
+                    append("bold" if self.bold else "not bold")
+                if bits & (1 << 1):
+                    append("dim" if self.dim else "not dim")
+                if bits & (1 << 2):
+                    append("italic" if self.italic else "not italic")
+                if bits & (1 << 3):
+                    append("underline" if self.underline else "not underline")
+            if bits & 0b0000111110000:
+                if bits & (1 << 4):
+                    append("blink" if self.blink else "not blink")
+                if bits & (1 << 5):
+                    append("blink2" if self.blink2 else "not blink2")
+                if bits & (1 << 6):
+                    append("reverse" if self.reverse else "not reverse")
+                if bits & (1 << 7):
+                    append("conceal" if self.conceal else "not conceal")
+                if bits & (1 << 8):
+                    append("strike" if self.strike else "not strike")
+            if bits & 0b1111000000000:
+                if bits & (1 << 9):
+                    append("underline2" if self.underline2 else "not underline2")
+                if bits & (1 << 10):
+                    append("frame" if self.frame else "not frame")
+                if bits & (1 << 11):
+                    append("encircle" if self.encircle else "not encircle")
+                if bits & (1 << 12):
+                    append("overline" if self.overline else "not overline")
+            if self._color is not None:
+                append(self._color.name)
+            if self._bgcolor is not None:
+                append("on")
+                append(self._bgcolor.name)
+            if self._link:
+                append("link")
+                append(self._link)
+            self._style_definition = " ".join(attributes) or "none"
+        return self._style_definition
+
+    def __bool__(self) -> bool:
+        """A Style is false if it has no attributes, colors, or links."""
+        return not self._null
+
+    def _make_ansi_codes(self, color_system: ColorSystem) -> str:
+        """Generate ANSI codes for this style.
+
+        Args:
+            color_system (ColorSystem): Color system.
+
+        Returns:
+            str: String containing codes.
+        """
+        if self._ansi is None:
+            sgr: List[str] = []
+            append = sgr.append
+            _style_map = self._style_map
+            attributes = self._attributes & self._set_attributes
+            if attributes:
+                if attributes & 1:
+                    append(_style_map[0])
+                if attributes & 2:
+                    append(_style_map[1])
+                if attributes & 4:
+                    append(_style_map[2])
+                if attributes & 8:
+                    append(_style_map[3])
+                if attributes & 0b0000111110000:
+                    for bit in range(4, 9):
+                        if attributes & (1 << bit):
+                            append(_style_map[bit])
+                if attributes & 0b1111000000000:
+                    for bit in range(9, 13):
+                        if attributes & (1 << bit):
+                            append(_style_map[bit])
+            if self._color is not None:
+                sgr.extend(self._color.downgrade(color_system).get_ansi_codes())
+            if self._bgcolor is not None:
+                sgr.extend(
+                    self._bgcolor.downgrade(color_system).get_ansi_codes(
+                        foreground=False
+                    )
+                )
+            self._ansi = ";".join(sgr)
+        return self._ansi
+
+    @classmethod
+    @lru_cache(maxsize=1024)
+    def normalize(cls, style: str) -> str:
+        """Normalize a style definition so that styles with the same effect have the same string
+        representation.
+
+        Args:
+            style (str): A style definition.
+
+        Returns:
+            str: Normal form of style definition.
+        """
+        try:
+            return str(cls.parse(style))
+        except errors.StyleSyntaxError:
+            return style.strip().lower()
+
+    @classmethod
+    def pick_first(cls, *values: Optional[StyleType]) -> StyleType:
+        """Pick first non-None style."""
+        for value in values:
+            if value is not None:
+                return value
+        raise ValueError("expected at least one non-None style")
+
+    def __rich_repr__(self) -> Result:
+        yield "color", self.color, None
+        yield "bgcolor", self.bgcolor, None
+        yield "bold", self.bold, None,
+        yield "dim", self.dim, None,
+        yield "italic", self.italic, None
+        yield "underline", self.underline, None,
+        yield "blink", self.blink, None
+        yield "blink2", self.blink2, None
+        yield "reverse", self.reverse, None
+        yield "conceal", self.conceal, None
+        yield "strike", self.strike, None
+        yield "underline2", self.underline2, None
+        yield "frame", self.frame, None
+        yield "encircle", self.encircle, None
+        yield "link", self.link, None
+        if self._meta:
+            yield "meta", self.meta
+
+    def __eq__(self, other: Any) -> bool:
+        if not isinstance(other, Style):
+            return NotImplemented
+        return (
+            self._color == other._color
+            and self._bgcolor == other._bgcolor
+            and self._set_attributes == other._set_attributes
+            and self._attributes == other._attributes
+            and self._link == other._link
+            and self._meta == other._meta
+        )
+
+    def __hash__(self) -> int:
+        return self._hash
+
+    @property
+    def color(self) -> Optional[Color]:
+        """The foreground color or None if it is not set."""
+        return self._color
+
+    @property
+    def bgcolor(self) -> Optional[Color]:
+        """The background color or None if it is not set."""
+        return self._bgcolor
+
+    @property
+    def link(self) -> Optional[str]:
+        """Link text, if set."""
+        return self._link
+
+    @property
+    def transparent_background(self) -> bool:
+        """Check if the style specified a transparent background."""
+        return self.bgcolor is None or self.bgcolor.is_default
+
+    @property
+    def background_style(self) -> "Style":
+        """A Style with background only."""
+        return Style(bgcolor=self.bgcolor)
+
+    @property
+    def meta(self) -> Dict[str, Any]:
+        """Get meta information (can not be changed after construction)."""
+        return {} if self._meta is None else cast(Dict[str, Any], loads(self._meta))
+
+    @property
+    def without_color(self) -> "Style":
+        """Get a copy of the style with color removed."""
+        if self._null:
+            return NULL_STYLE
+        style: Style = self.__new__(Style)
+        style._ansi = None
+        style._style_definition = None
+        style._color = None
+        style._bgcolor = None
+        style._attributes = self._attributes
+        style._set_attributes = self._set_attributes
+        style._link = self._link
+        style._link_id = f"{randint(0, 999999)}" if self._link else ""
+        style._hash = self._hash
+        style._null = False
+        style._meta = None
+        return style
+
+    @classmethod
+    @lru_cache(maxsize=4096)
+    def parse(cls, style_definition: str) -> "Style":
+        """Parse a style definition.
+
+        Args:
+            style_definition (str): A string containing a style.
+
+        Raises:
+            errors.StyleSyntaxError: If the style definition syntax is invalid.
+
+        Returns:
+            `Style`: A Style instance.
+        """
+        if style_definition.strip() == "none" or not style_definition:
+            return cls.null()
+
+        STYLE_ATTRIBUTES = cls.STYLE_ATTRIBUTES
+        color: Optional[str] = None
+        bgcolor: Optional[str] = None
+        attributes: Dict[str, Optional[Any]] = {}
+        link: Optional[str] = None
+
+        words = iter(style_definition.split())
+        for original_word in words:
+            word = original_word.lower()
+            if word == "on":
+                word = next(words, "")
+                if not word:
+                    raise errors.StyleSyntaxError("color expected after 'on'")
+                try:
+                    Color.parse(word) is None
+                except ColorParseError as error:
+                    raise errors.StyleSyntaxError(
+                        f"unable to parse {word!r} as background color; {error}"
+                    ) from None
+                bgcolor = word
+
+            elif word == "not":
+                word = next(words, "")
+                attribute = STYLE_ATTRIBUTES.get(word)
+                if attribute is None:
+                    raise errors.StyleSyntaxError(
+                        f"expected style attribute after 'not', found {word!r}"
+                    )
+                attributes[attribute] = False
+
+            elif word == "link":
+                word = next(words, "")
+                if not word:
+                    raise errors.StyleSyntaxError("URL expected after 'link'")
+                link = word
+
+            elif word in STYLE_ATTRIBUTES:
+                attributes[STYLE_ATTRIBUTES[word]] = True
+
+            else:
+                try:
+                    Color.parse(word)
+                except ColorParseError as error:
+                    raise errors.StyleSyntaxError(
+                        f"unable to parse {word!r} as color; {error}"
+                    ) from None
+                color = word
+        style = Style(color=color, bgcolor=bgcolor, link=link, **attributes)
+        return style
+
+    @lru_cache(maxsize=1024)
+    def get_html_style(self, theme: Optional[TerminalTheme] = None) -> str:
+        """Get a CSS style rule."""
+        theme = theme or DEFAULT_TERMINAL_THEME
+        css: List[str] = []
+        append = css.append
+
+        color = self.color
+        bgcolor = self.bgcolor
+        if self.reverse:
+            color, bgcolor = bgcolor, color
+        if self.dim:
+            foreground_color = (
+                theme.foreground_color if color is None else color.get_truecolor(theme)
+            )
+            color = Color.from_triplet(
+                blend_rgb(foreground_color, theme.background_color, 0.5)
+            )
+        if color is not None:
+            theme_color = color.get_truecolor(theme)
+            append(f"color: {theme_color.hex}")
+            append(f"text-decoration-color: {theme_color.hex}")
+        if bgcolor is not None:
+            theme_color = bgcolor.get_truecolor(theme, foreground=False)
+            append(f"background-color: {theme_color.hex}")
+        if self.bold:
+            append("font-weight: bold")
+        if self.italic:
+            append("font-style: italic")
+        if self.underline:
+            append("text-decoration: underline")
+        if self.strike:
+            append("text-decoration: line-through")
+        if self.overline:
+            append("text-decoration: overline")
+        return "; ".join(css)
+
+    @classmethod
+    def combine(cls, styles: Iterable["Style"]) -> "Style":
+        """Combine styles and get result.
+
+        Args:
+            styles (Iterable[Style]): Styles to combine.
+
+        Returns:
+            Style: A new style instance.
+        """
+        iter_styles = iter(styles)
+        return sum(iter_styles, next(iter_styles))
+
+    @classmethod
+    def chain(cls, *styles: "Style") -> "Style":
+        """Combine styles from positional argument in to a single style.
+
+        Args:
+            *styles (Iterable[Style]): Styles to combine.
+
+        Returns:
+            Style: A new style instance.
+        """
+        iter_styles = iter(styles)
+        return sum(iter_styles, next(iter_styles))
+
+    def copy(self) -> "Style":
+        """Get a copy of this style.
+
+        Returns:
+            Style: A new Style instance with identical attributes.
+        """
+        if self._null:
+            return NULL_STYLE
+        style: Style = self.__new__(Style)
+        style._ansi = self._ansi
+        style._style_definition = self._style_definition
+        style._color = self._color
+        style._bgcolor = self._bgcolor
+        style._attributes = self._attributes
+        style._set_attributes = self._set_attributes
+        style._link = self._link
+        style._link_id = f"{randint(0, 999999)}" if self._link else ""
+        style._hash = self._hash
+        style._null = False
+        style._meta = self._meta
+        return style
+
+    def update_link(self, link: Optional[str] = None) -> "Style":
+        """Get a copy with a different value for link.
+
+        Args:
+            link (str, optional): New value for link. Defaults to None.
+
+        Returns:
+            Style: A new Style instance.
+        """
+        style: Style = self.__new__(Style)
+        style._ansi = self._ansi
+        style._style_definition = self._style_definition
+        style._color = self._color
+        style._bgcolor = self._bgcolor
+        style._attributes = self._attributes
+        style._set_attributes = self._set_attributes
+        style._link = link
+        style._link_id = f"{randint(0, 999999)}" if link else ""
+        style._hash = self._hash
+        style._null = False
+        style._meta = self._meta
+        return style
+
+    def render(
+        self,
+        text: str = "",
+        *,
+        color_system: Optional[ColorSystem] = ColorSystem.TRUECOLOR,
+        legacy_windows: bool = False,
+    ) -> str:
+        """Render the ANSI codes for the style.
+
+        Args:
+            text (str, optional): A string to style. Defaults to "".
+            color_system (Optional[ColorSystem], optional): Color system to render to. Defaults to ColorSystem.TRUECOLOR.
+
+        Returns:
+            str: A string containing ANSI style codes.
+        """
+        if not text or color_system is None:
+            return text
+        attrs = self._make_ansi_codes(color_system)
+        rendered = f"\x1b[{attrs}m{text}\x1b[0m" if attrs else text
+        if self._link and not legacy_windows:
+            rendered = (
+                f"\x1b]8;id={self._link_id};{self._link}\x1b\\{rendered}\x1b]8;;\x1b\\"
+            )
+        return rendered
+
+    def test(self, text: Optional[str] = None) -> None:
+        """Write text with style directly to terminal.
+
+        This method is for testing purposes only.
+
+        Args:
+            text (Optional[str], optional): Text to style or None for style name.
+
+        """
+        text = text or str(self)
+        sys.stdout.write(f"{self.render(text)}\n")
+
+    def __add__(self, style: Optional["Style"]) -> "Style":
+        if not (isinstance(style, Style) or style is None):
+            return NotImplemented
+        if style is None or style._null:
+            return self
+        if self._null:
+            return style
+        new_style: Style = self.__new__(Style)
+        new_style._ansi = None
+        new_style._style_definition = None
+        new_style._color = style._color or self._color
+        new_style._bgcolor = style._bgcolor or self._bgcolor
+        new_style._attributes = (self._attributes & ~style._set_attributes) | (
+            style._attributes & style._set_attributes
+        )
+        new_style._set_attributes = self._set_attributes | style._set_attributes
+        new_style._link = style._link or self._link
+        new_style._link_id = style._link_id or self._link_id
+        new_style._hash = style._hash
+        new_style._null = self._null or style._null
+        if self._meta and style._meta:
+            new_style._meta = dumps({**self.meta, **style.meta})
+        else:
+            new_style._meta = self._meta or style._meta
+        return new_style
+
+
+NULL_STYLE = Style()
+
+
+class StyleStack:
+    """A stack of styles."""
+
+    __slots__ = ["_stack"]
+
+    def __init__(self, default_style: "Style") -> None:
+        self._stack: List[Style] = [default_style]
+
+    def __repr__(self) -> str:
+        return f"<stylestack {self._stack!r}>"
+
+    @property
+    def current(self) -> Style:
+        """Get the Style at the top of the stack."""
+        return self._stack[-1]
+
+    def push(self, style: Style) -> None:
+        """Push a new style on to the stack.
+
+        Args:
+            style (Style): New style to combine with current style.
+        """
+        self._stack.append(self._stack[-1] + style)
+
+    def pop(self) -> Style:
+        """Pop last style and discard.
+
+        Returns:
+            Style: New current style (also available as stack.current)
+        """
+        self._stack.pop()
+        return self._stack[-1]
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/styled.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/styled.py
new file mode 100644
index 0000000000000000000000000000000000000000..91cd0db31c14e30d4c1e2e9f36382b7a5e022870
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/styled.py
@@ -0,0 +1,42 @@
+from typing import TYPE_CHECKING
+
+from .measure import Measurement
+from .segment import Segment
+from .style import StyleType
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult, RenderableType
+
+
+class Styled:
+    """Apply a style to a renderable.
+
+    Args:
+        renderable (RenderableType): Any renderable.
+        style (StyleType): A style to apply across the entire renderable.
+    """
+
+    def __init__(self, renderable: "RenderableType", style: "StyleType") -> None:
+        self.renderable = renderable
+        self.style = style
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        style = console.get_style(self.style)
+        rendered_segments = console.render(self.renderable, options)
+        segments = Segment.apply_style(rendered_segments, style)
+        return segments
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        return Measurement.get(console, options, self.renderable)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich import print
+    from pip._vendor.rich.panel import Panel
+
+    panel = Styled(Panel("hello"), "on blue")
+    print(panel)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/syntax.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/syntax.py
new file mode 100644
index 0000000000000000000000000000000000000000..58cc1037fae77d5d71f3280a73a2cf2cbdbb1ac9
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/syntax.py
@@ -0,0 +1,735 @@
+import os.path
+import platform
+from pip._vendor.rich.containers import Lines
+import textwrap
+from abc import ABC, abstractmethod
+from typing import Any, Dict, Iterable, List, Optional, Set, Tuple, Type, Union
+
+from pip._vendor.pygments.lexer import Lexer
+from pip._vendor.pygments.lexers import get_lexer_by_name, guess_lexer_for_filename
+from pip._vendor.pygments.style import Style as PygmentsStyle
+from pip._vendor.pygments.styles import get_style_by_name
+from pip._vendor.pygments.token import (
+    Comment,
+    Error,
+    Generic,
+    Keyword,
+    Name,
+    Number,
+    Operator,
+    String,
+    Token,
+    Whitespace,
+)
+from pip._vendor.pygments.util import ClassNotFound
+
+from ._loop import loop_first
+from .color import Color, blend_rgb
+from .console import Console, ConsoleOptions, JustifyMethod, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style
+from .text import Text
+
+TokenType = Tuple[str, ...]
+
+WINDOWS = platform.system() == "Windows"
+DEFAULT_THEME = "monokai"
+
+# The following styles are based on https://github.com/pygments/pygments/blob/master/pygments/formatters/terminal.py
+# A few modifications were made
+
+ANSI_LIGHT: Dict[TokenType, Style] = {
+    Token: Style(),
+    Whitespace: Style(color="white"),
+    Comment: Style(dim=True),
+    Comment.Preproc: Style(color="cyan"),
+    Keyword: Style(color="blue"),
+    Keyword.Type: Style(color="cyan"),
+    Operator.Word: Style(color="magenta"),
+    Name.Builtin: Style(color="cyan"),
+    Name.Function: Style(color="green"),
+    Name.Namespace: Style(color="cyan", underline=True),
+    Name.Class: Style(color="green", underline=True),
+    Name.Exception: Style(color="cyan"),
+    Name.Decorator: Style(color="magenta", bold=True),
+    Name.Variable: Style(color="red"),
+    Name.Constant: Style(color="red"),
+    Name.Attribute: Style(color="cyan"),
+    Name.Tag: Style(color="bright_blue"),
+    String: Style(color="yellow"),
+    Number: Style(color="blue"),
+    Generic.Deleted: Style(color="bright_red"),
+    Generic.Inserted: Style(color="green"),
+    Generic.Heading: Style(bold=True),
+    Generic.Subheading: Style(color="magenta", bold=True),
+    Generic.Prompt: Style(bold=True),
+    Generic.Error: Style(color="bright_red"),
+    Error: Style(color="red", underline=True),
+}
+
+ANSI_DARK: Dict[TokenType, Style] = {
+    Token: Style(),
+    Whitespace: Style(color="bright_black"),
+    Comment: Style(dim=True),
+    Comment.Preproc: Style(color="bright_cyan"),
+    Keyword: Style(color="bright_blue"),
+    Keyword.Type: Style(color="bright_cyan"),
+    Operator.Word: Style(color="bright_magenta"),
+    Name.Builtin: Style(color="bright_cyan"),
+    Name.Function: Style(color="bright_green"),
+    Name.Namespace: Style(color="bright_cyan", underline=True),
+    Name.Class: Style(color="bright_green", underline=True),
+    Name.Exception: Style(color="bright_cyan"),
+    Name.Decorator: Style(color="bright_magenta", bold=True),
+    Name.Variable: Style(color="bright_red"),
+    Name.Constant: Style(color="bright_red"),
+    Name.Attribute: Style(color="bright_cyan"),
+    Name.Tag: Style(color="bright_blue"),
+    String: Style(color="yellow"),
+    Number: Style(color="bright_blue"),
+    Generic.Deleted: Style(color="bright_red"),
+    Generic.Inserted: Style(color="bright_green"),
+    Generic.Heading: Style(bold=True),
+    Generic.Subheading: Style(color="bright_magenta", bold=True),
+    Generic.Prompt: Style(bold=True),
+    Generic.Error: Style(color="bright_red"),
+    Error: Style(color="red", underline=True),
+}
+
+RICH_SYNTAX_THEMES = {"ansi_light": ANSI_LIGHT, "ansi_dark": ANSI_DARK}
+
+
+class SyntaxTheme(ABC):
+    """Base class for a syntax theme."""
+
+    @abstractmethod
+    def get_style_for_token(self, token_type: TokenType) -> Style:
+        """Get a style for a given Pygments token."""
+        raise NotImplementedError  # pragma: no cover
+
+    @abstractmethod
+    def get_background_style(self) -> Style:
+        """Get the background color."""
+        raise NotImplementedError  # pragma: no cover
+
+
+class PygmentsSyntaxTheme(SyntaxTheme):
+    """Syntax theme that delegates to Pygments theme."""
+
+    def __init__(self, theme: Union[str, Type[PygmentsStyle]]) -> None:
+        self._style_cache: Dict[TokenType, Style] = {}
+        if isinstance(theme, str):
+            try:
+                self._pygments_style_class = get_style_by_name(theme)
+            except ClassNotFound:
+                self._pygments_style_class = get_style_by_name("default")
+        else:
+            self._pygments_style_class = theme
+
+        self._background_color = self._pygments_style_class.background_color
+        self._background_style = Style(bgcolor=self._background_color)
+
+    def get_style_for_token(self, token_type: TokenType) -> Style:
+        """Get a style from a Pygments class."""
+        try:
+            return self._style_cache[token_type]
+        except KeyError:
+            try:
+                pygments_style = self._pygments_style_class.style_for_token(token_type)
+            except KeyError:
+                style = Style.null()
+            else:
+                color = pygments_style["color"]
+                bgcolor = pygments_style["bgcolor"]
+                style = Style(
+                    color="#" + color if color else "#000000",
+                    bgcolor="#" + bgcolor if bgcolor else self._background_color,
+                    bold=pygments_style["bold"],
+                    italic=pygments_style["italic"],
+                    underline=pygments_style["underline"],
+                )
+            self._style_cache[token_type] = style
+        return style
+
+    def get_background_style(self) -> Style:
+        return self._background_style
+
+
+class ANSISyntaxTheme(SyntaxTheme):
+    """Syntax theme to use standard colors."""
+
+    def __init__(self, style_map: Dict[TokenType, Style]) -> None:
+        self.style_map = style_map
+        self._missing_style = Style.null()
+        self._background_style = Style.null()
+        self._style_cache: Dict[TokenType, Style] = {}
+
+    def get_style_for_token(self, token_type: TokenType) -> Style:
+        """Look up style in the style map."""
+        try:
+            return self._style_cache[token_type]
+        except KeyError:
+            # Styles form a hierarchy
+            # We need to go from most to least specific
+            # e.g. ("foo", "bar", "baz") to ("foo", "bar")  to ("foo",)
+            get_style = self.style_map.get
+            token = tuple(token_type)
+            style = self._missing_style
+            while token:
+                _style = get_style(token)
+                if _style is not None:
+                    style = _style
+                    break
+                token = token[:-1]
+            self._style_cache[token_type] = style
+            return style
+
+    def get_background_style(self) -> Style:
+        return self._background_style
+
+
+class Syntax(JupyterMixin):
+    """Construct a Syntax object to render syntax highlighted code.
+
+    Args:
+        code (str): Code to highlight.
+        lexer (Lexer | str): Lexer to use (see https://pygments.org/docs/lexers/)
+        theme (str, optional): Color theme, aka Pygments style (see https://pygments.org/docs/styles/#getting-a-list-of-available-styles). Defaults to "monokai".
+        dedent (bool, optional): Enable stripping of initial whitespace. Defaults to False.
+        line_numbers (bool, optional): Enable rendering of line numbers. Defaults to False.
+        start_line (int, optional): Starting number for line numbers. Defaults to 1.
+        line_range (Tuple[int, int], optional): If given should be a tuple of the start and end line to render.
+        highlight_lines (Set[int]): A set of line numbers to highlight.
+        code_width: Width of code to render (not including line numbers), or ``None`` to use all available width.
+        tab_size (int, optional): Size of tabs. Defaults to 4.
+        word_wrap (bool, optional): Enable word wrapping.
+        background_color (str, optional): Optional background color, or None to use theme color. Defaults to None.
+        indent_guides (bool, optional): Show indent guides. Defaults to False.
+    """
+
+    _pygments_style_class: Type[PygmentsStyle]
+    _theme: SyntaxTheme
+
+    @classmethod
+    def get_theme(cls, name: Union[str, SyntaxTheme]) -> SyntaxTheme:
+        """Get a syntax theme instance."""
+        if isinstance(name, SyntaxTheme):
+            return name
+        theme: SyntaxTheme
+        if name in RICH_SYNTAX_THEMES:
+            theme = ANSISyntaxTheme(RICH_SYNTAX_THEMES[name])
+        else:
+            theme = PygmentsSyntaxTheme(name)
+        return theme
+
+    def __init__(
+        self,
+        code: str,
+        lexer: Union[Lexer, str],
+        *,
+        theme: Union[str, SyntaxTheme] = DEFAULT_THEME,
+        dedent: bool = False,
+        line_numbers: bool = False,
+        start_line: int = 1,
+        line_range: Optional[Tuple[int, int]] = None,
+        highlight_lines: Optional[Set[int]] = None,
+        code_width: Optional[int] = None,
+        tab_size: int = 4,
+        word_wrap: bool = False,
+        background_color: Optional[str] = None,
+        indent_guides: bool = False,
+    ) -> None:
+        self.code = code
+        self._lexer = lexer
+        self.dedent = dedent
+        self.line_numbers = line_numbers
+        self.start_line = start_line
+        self.line_range = line_range
+        self.highlight_lines = highlight_lines or set()
+        self.code_width = code_width
+        self.tab_size = tab_size
+        self.word_wrap = word_wrap
+        self.background_color = background_color
+        self.background_style = (
+            Style(bgcolor=background_color) if background_color else Style()
+        )
+        self.indent_guides = indent_guides
+
+        self._theme = self.get_theme(theme)
+
+    @classmethod
+    def from_path(
+        cls,
+        path: str,
+        encoding: str = "utf-8",
+        theme: Union[str, SyntaxTheme] = DEFAULT_THEME,
+        dedent: bool = False,
+        line_numbers: bool = False,
+        line_range: Optional[Tuple[int, int]] = None,
+        start_line: int = 1,
+        highlight_lines: Optional[Set[int]] = None,
+        code_width: Optional[int] = None,
+        tab_size: int = 4,
+        word_wrap: bool = False,
+        background_color: Optional[str] = None,
+        indent_guides: bool = False,
+    ) -> "Syntax":
+        """Construct a Syntax object from a file.
+
+        Args:
+            path (str): Path to file to highlight.
+            encoding (str): Encoding of file.
+            theme (str, optional): Color theme, aka Pygments style (see https://pygments.org/docs/styles/#getting-a-list-of-available-styles). Defaults to "emacs".
+            dedent (bool, optional): Enable stripping of initial whitespace. Defaults to True.
+            line_numbers (bool, optional): Enable rendering of line numbers. Defaults to False.
+            start_line (int, optional): Starting number for line numbers. Defaults to 1.
+            line_range (Tuple[int, int], optional): If given should be a tuple of the start and end line to render.
+            highlight_lines (Set[int]): A set of line numbers to highlight.
+            code_width: Width of code to render (not including line numbers), or ``None`` to use all available width.
+            tab_size (int, optional): Size of tabs. Defaults to 4.
+            word_wrap (bool, optional): Enable word wrapping of code.
+            background_color (str, optional): Optional background color, or None to use theme color. Defaults to None.
+            indent_guides (bool, optional): Show indent guides. Defaults to False.
+
+        Returns:
+            [Syntax]: A Syntax object that may be printed to the console
+        """
+        with open(path, "rt", encoding=encoding) as code_file:
+            code = code_file.read()
+
+        lexer = None
+        lexer_name = "default"
+        try:
+            _, ext = os.path.splitext(path)
+            if ext:
+                extension = ext.lstrip(".").lower()
+                lexer = get_lexer_by_name(extension)
+                lexer_name = lexer.name
+        except ClassNotFound:
+            pass
+
+        if lexer is None:
+            try:
+                lexer_name = guess_lexer_for_filename(path, code).name
+            except ClassNotFound:
+                pass
+
+        return cls(
+            code,
+            lexer_name,
+            theme=theme,
+            dedent=dedent,
+            line_numbers=line_numbers,
+            line_range=line_range,
+            start_line=start_line,
+            highlight_lines=highlight_lines,
+            code_width=code_width,
+            tab_size=tab_size,
+            word_wrap=word_wrap,
+            background_color=background_color,
+            indent_guides=indent_guides,
+        )
+
+    def _get_base_style(self) -> Style:
+        """Get the base style."""
+        default_style = self._theme.get_background_style() + self.background_style
+        return default_style
+
+    def _get_token_color(self, token_type: TokenType) -> Optional[Color]:
+        """Get a color (if any) for the given token.
+
+        Args:
+            token_type (TokenType): A token type tuple from Pygments.
+
+        Returns:
+            Optional[Color]: Color from theme, or None for no color.
+        """
+        style = self._theme.get_style_for_token(token_type)
+        return style.color
+
+    @property
+    def lexer(self) -> Optional[Lexer]:
+        """The lexer for this syntax, or None if no lexer was found.
+
+        Tries to find the lexer by name if a string was passed to the constructor.
+        """
+
+        if isinstance(self._lexer, Lexer):
+            return self._lexer
+        try:
+            return get_lexer_by_name(
+                self._lexer,
+                stripnl=False,
+                ensurenl=True,
+                tabsize=self.tab_size,
+            )
+        except ClassNotFound:
+            return None
+
+    def highlight(
+        self, code: str, line_range: Optional[Tuple[int, int]] = None
+    ) -> Text:
+        """Highlight code and return a Text instance.
+
+        Args:
+            code (str): Code to highlight.
+            line_range(Tuple[int, int], optional): Optional line range to highlight.
+
+        Returns:
+            Text: A text instance containing highlighted syntax.
+        """
+
+        base_style = self._get_base_style()
+        justify: JustifyMethod = (
+            "default" if base_style.transparent_background else "left"
+        )
+
+        text = Text(
+            justify=justify,
+            style=base_style,
+            tab_size=self.tab_size,
+            no_wrap=not self.word_wrap,
+        )
+        _get_theme_style = self._theme.get_style_for_token
+
+        lexer = self.lexer
+
+        if lexer is None:
+            text.append(code)
+        else:
+            if line_range:
+                # More complicated path to only stylize a portion of the code
+                # This speeds up further operations as there are less spans to process
+                line_start, line_end = line_range
+
+                def line_tokenize() -> Iterable[Tuple[Any, str]]:
+                    """Split tokens to one per line."""
+                    assert lexer
+
+                    for token_type, token in lexer.get_tokens(code):
+                        while token:
+                            line_token, new_line, token = token.partition("\n")
+                            yield token_type, line_token + new_line
+
+                def tokens_to_spans() -> Iterable[Tuple[str, Optional[Style]]]:
+                    """Convert tokens to spans."""
+                    tokens = iter(line_tokenize())
+                    line_no = 0
+                    _line_start = line_start - 1
+
+                    # Skip over tokens until line start
+                    while line_no < _line_start:
+                        _token_type, token = next(tokens)
+                        yield (token, None)
+                        if token.endswith("\n"):
+                            line_no += 1
+                    # Generate spans until line end
+                    for token_type, token in tokens:
+                        yield (token, _get_theme_style(token_type))
+                        if token.endswith("\n"):
+                            line_no += 1
+                            if line_no >= line_end:
+                                break
+
+                text.append_tokens(tokens_to_spans())
+
+            else:
+                text.append_tokens(
+                    (token, _get_theme_style(token_type))
+                    for token_type, token in lexer.get_tokens(code)
+                )
+            if self.background_color is not None:
+                text.stylize(f"on {self.background_color}")
+        return text
+
+    def _get_line_numbers_color(self, blend: float = 0.3) -> Color:
+        background_style = self._theme.get_background_style() + self.background_style
+        background_color = background_style.bgcolor
+        if background_color is None or background_color.is_system_defined:
+            return Color.default()
+        foreground_color = self._get_token_color(Token.Text)
+        if foreground_color is None or foreground_color.is_system_defined:
+            return foreground_color or Color.default()
+        new_color = blend_rgb(
+            background_color.get_truecolor(),
+            foreground_color.get_truecolor(),
+            cross_fade=blend,
+        )
+        return Color.from_triplet(new_color)
+
+    @property
+    def _numbers_column_width(self) -> int:
+        """Get the number of characters used to render the numbers column."""
+        column_width = 0
+        if self.line_numbers:
+            column_width = len(str(self.start_line + self.code.count("\n"))) + 2
+        return column_width
+
+    def _get_number_styles(self, console: Console) -> Tuple[Style, Style, Style]:
+        """Get background, number, and highlight styles for line numbers."""
+        background_style = self._get_base_style()
+        if background_style.transparent_background:
+            return Style.null(), Style(dim=True), Style.null()
+        if console.color_system in ("256", "truecolor"):
+            number_style = Style.chain(
+                background_style,
+                self._theme.get_style_for_token(Token.Text),
+                Style(color=self._get_line_numbers_color()),
+                self.background_style,
+            )
+            highlight_number_style = Style.chain(
+                background_style,
+                self._theme.get_style_for_token(Token.Text),
+                Style(bold=True, color=self._get_line_numbers_color(0.9)),
+                self.background_style,
+            )
+        else:
+            number_style = background_style + Style(dim=True)
+            highlight_number_style = background_style + Style(dim=False)
+        return background_style, number_style, highlight_number_style
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        if self.code_width is not None:
+            width = self.code_width + self._numbers_column_width
+            return Measurement(self._numbers_column_width, width)
+        return Measurement(self._numbers_column_width, options.max_width)
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+
+        transparent_background = self._get_base_style().transparent_background
+        code_width = (
+            (
+                (options.max_width - self._numbers_column_width - 1)
+                if self.line_numbers
+                else options.max_width
+            )
+            if self.code_width is None
+            else self.code_width
+        )
+
+        line_offset = 0
+        if self.line_range:
+            start_line, end_line = self.line_range
+            line_offset = max(0, start_line - 1)
+
+        ends_on_nl = self.code.endswith("\n")
+        code = self.code if ends_on_nl else self.code + "\n"
+        code = textwrap.dedent(code) if self.dedent else code
+        code = code.expandtabs(self.tab_size)
+        text = self.highlight(code, self.line_range)
+
+        (
+            background_style,
+            number_style,
+            highlight_number_style,
+        ) = self._get_number_styles(console)
+
+        if not self.line_numbers and not self.word_wrap and not self.line_range:
+            if not ends_on_nl:
+                text.remove_suffix("\n")
+            # Simple case of just rendering text
+            style = (
+                self._get_base_style()
+                + self._theme.get_style_for_token(Comment)
+                + Style(dim=True)
+                + self.background_style
+            )
+            if self.indent_guides and not options.ascii_only:
+                text = text.with_indent_guides(self.tab_size, style=style)
+                text.overflow = "crop"
+            if style.transparent_background:
+                yield from console.render(
+                    text, options=options.update(width=code_width)
+                )
+            else:
+                syntax_lines = console.render_lines(
+                    text,
+                    options.update(width=code_width, height=None),
+                    style=self.background_style,
+                    pad=True,
+                    new_lines=True,
+                )
+                for syntax_line in syntax_lines:
+                    yield from syntax_line
+            return
+
+        lines: Union[List[Text], Lines] = text.split("\n", allow_blank=ends_on_nl)
+        if self.line_range:
+            lines = lines[line_offset:end_line]
+
+        if self.indent_guides and not options.ascii_only:
+            style = (
+                self._get_base_style()
+                + self._theme.get_style_for_token(Comment)
+                + Style(dim=True)
+                + self.background_style
+            )
+            lines = (
+                Text("\n")
+                .join(lines)
+                .with_indent_guides(self.tab_size, style=style)
+                .split("\n", allow_blank=True)
+            )
+
+        numbers_column_width = self._numbers_column_width
+        render_options = options.update(width=code_width)
+
+        highlight_line = self.highlight_lines.__contains__
+        _Segment = Segment
+        padding = _Segment(" " * numbers_column_width + " ", background_style)
+        new_line = _Segment("\n")
+
+        line_pointer = "> " if options.legacy_windows else "❱ "
+
+        for line_no, line in enumerate(lines, self.start_line + line_offset):
+            if self.word_wrap:
+                wrapped_lines = console.render_lines(
+                    line,
+                    render_options.update(height=None),
+                    style=background_style,
+                    pad=not transparent_background,
+                )
+
+            else:
+                segments = list(line.render(console, end=""))
+                if options.no_wrap:
+                    wrapped_lines = [segments]
+                else:
+                    wrapped_lines = [
+                        _Segment.adjust_line_length(
+                            segments,
+                            render_options.max_width,
+                            style=background_style,
+                            pad=not transparent_background,
+                        )
+                    ]
+            if self.line_numbers:
+                for first, wrapped_line in loop_first(wrapped_lines):
+                    if first:
+                        line_column = str(line_no).rjust(numbers_column_width - 2) + " "
+                        if highlight_line(line_no):
+                            yield _Segment(line_pointer, Style(color="red"))
+                            yield _Segment(line_column, highlight_number_style)
+                        else:
+                            yield _Segment("  ", highlight_number_style)
+                            yield _Segment(line_column, number_style)
+                    else:
+                        yield padding
+                    yield from wrapped_line
+                    yield new_line
+            else:
+                for wrapped_line in wrapped_lines:
+                    yield from wrapped_line
+                    yield new_line
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    import argparse
+    import sys
+
+    parser = argparse.ArgumentParser(
+        description="Render syntax to the console with Rich"
+    )
+    parser.add_argument(
+        "path",
+        metavar="PATH",
+        help="path to file, or - for stdin",
+    )
+    parser.add_argument(
+        "-c",
+        "--force-color",
+        dest="force_color",
+        action="store_true",
+        default=None,
+        help="force color for non-terminals",
+    )
+    parser.add_argument(
+        "-i",
+        "--indent-guides",
+        dest="indent_guides",
+        action="store_true",
+        default=False,
+        help="display indent guides",
+    )
+    parser.add_argument(
+        "-l",
+        "--line-numbers",
+        dest="line_numbers",
+        action="store_true",
+        help="render line numbers",
+    )
+    parser.add_argument(
+        "-w",
+        "--width",
+        type=int,
+        dest="width",
+        default=None,
+        help="width of output (default will auto-detect)",
+    )
+    parser.add_argument(
+        "-r",
+        "--wrap",
+        dest="word_wrap",
+        action="store_true",
+        default=False,
+        help="word wrap long lines",
+    )
+    parser.add_argument(
+        "-s",
+        "--soft-wrap",
+        action="store_true",
+        dest="soft_wrap",
+        default=False,
+        help="enable soft wrapping mode",
+    )
+    parser.add_argument(
+        "-t", "--theme", dest="theme", default="monokai", help="pygments theme"
+    )
+    parser.add_argument(
+        "-b",
+        "--background-color",
+        dest="background_color",
+        default=None,
+        help="Override background color",
+    )
+    parser.add_argument(
+        "-x",
+        "--lexer",
+        default="default",
+        dest="lexer_name",
+        help="Lexer name",
+    )
+    args = parser.parse_args()
+
+    from pip._vendor.rich.console import Console
+
+    console = Console(force_terminal=args.force_color, width=args.width)
+
+    if args.path == "-":
+        code = sys.stdin.read()
+        syntax = Syntax(
+            code=code,
+            lexer=args.lexer_name,
+            line_numbers=args.line_numbers,
+            word_wrap=args.word_wrap,
+            theme=args.theme,
+            background_color=args.background_color,
+            indent_guides=args.indent_guides,
+        )
+    else:
+        syntax = Syntax.from_path(
+            args.path,
+            line_numbers=args.line_numbers,
+            word_wrap=args.word_wrap,
+            theme=args.theme,
+            background_color=args.background_color,
+            indent_guides=args.indent_guides,
+        )
+    console.print(syntax, soft_wrap=args.soft_wrap)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/table.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/table.py
new file mode 100644
index 0000000000000000000000000000000000000000..da4386085a8191256a882579b37faaa01e59f731
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/table.py
@@ -0,0 +1,968 @@
+from dataclasses import dataclass, field, replace
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+)
+
+from . import box, errors
+from ._loop import loop_first_last, loop_last
+from ._pick import pick_bool
+from ._ratio import ratio_distribute, ratio_reduce
+from .align import VerticalAlignMethod
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .padding import Padding, PaddingDimensions
+from .protocol import is_renderable
+from .segment import Segment
+from .style import Style, StyleType
+from .text import Text, TextType
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        JustifyMethod,
+        OverflowMethod,
+        RenderableType,
+        RenderResult,
+    )
+
+
+@dataclass
+class Column:
+    """Defines a column in a table."""
+
+    header: "RenderableType" = ""
+    """RenderableType: Renderable for the header (typically a string)"""
+
+    footer: "RenderableType" = ""
+    """RenderableType: Renderable for the footer (typically a string)"""
+
+    header_style: StyleType = ""
+    """StyleType: The style of the header."""
+
+    footer_style: StyleType = ""
+    """StyleType: The style of the footer."""
+
+    style: StyleType = ""
+    """StyleType: The style of the column."""
+
+    justify: "JustifyMethod" = "left"
+    """str: How to justify text within the column ("left", "center", "right", or "full")"""
+
+    vertical: "VerticalAlignMethod" = "top"
+    """str: How to vertically align content ("top", "middle", or "bottom")"""
+
+    overflow: "OverflowMethod" = "ellipsis"
+    """str: Overflow method."""
+
+    width: Optional[int] = None
+    """Optional[int]: Width of the column, or ``None`` (default) to auto calculate width."""
+
+    min_width: Optional[int] = None
+    """Optional[int]: Minimum width of column, or ``None`` for no minimum. Defaults to None."""
+
+    max_width: Optional[int] = None
+    """Optional[int]: Maximum width of column, or ``None`` for no maximum. Defaults to None."""
+
+    ratio: Optional[int] = None
+    """Optional[int]: Ratio to use when calculating column width, or ``None`` (default) to adapt to column contents."""
+
+    no_wrap: bool = False
+    """bool: Prevent wrapping of text within the column. Defaults to ``False``."""
+
+    _index: int = 0
+    """Index of column."""
+
+    _cells: List["RenderableType"] = field(default_factory=list)
+
+    def copy(self) -> "Column":
+        """Return a copy of this Column."""
+        return replace(self, _cells=[])
+
+    @property
+    def cells(self) -> Iterable["RenderableType"]:
+        """Get all cells in the column, not including header."""
+        yield from self._cells
+
+    @property
+    def flexible(self) -> bool:
+        """Check if this column is flexible."""
+        return self.ratio is not None
+
+
+@dataclass
+class Row:
+    """Information regarding a row."""
+
+    style: Optional[StyleType] = None
+    """Style to apply to row."""
+
+    end_section: bool = False
+    """Indicated end of section, which will force a line beneath the row."""
+
+
+class _Cell(NamedTuple):
+    """A single cell in a table."""
+
+    style: StyleType
+    """Style to apply to cell."""
+    renderable: "RenderableType"
+    """Cell renderable."""
+    vertical: VerticalAlignMethod
+    """Cell vertical alignment."""
+
+
+class Table(JupyterMixin):
+    """A console renderable to draw a table.
+
+    Args:
+        *headers (Union[Column, str]): Column headers, either as a string, or :class:`~rich.table.Column` instance.
+        title (Union[str, Text], optional): The title of the table rendered at the top. Defaults to None.
+        caption (Union[str, Text], optional): The table caption rendered below. Defaults to None.
+        width (int, optional): The width in characters of the table, or ``None`` to automatically fit. Defaults to None.
+        min_width (Optional[int], optional): The minimum width of the table, or ``None`` for no minimum. Defaults to None.
+        box (box.Box, optional): One of the constants in box.py used to draw the edges (see :ref:`appendix_box`), or ``None`` for no box lines. Defaults to box.HEAVY_HEAD.
+        safe_box (Optional[bool], optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
+        padding (PaddingDimensions, optional): Padding for cells (top, right, bottom, left). Defaults to (0, 1).
+        collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to False.
+        pad_edge (bool, optional): Enable padding of edge cells. Defaults to True.
+        expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
+        show_header (bool, optional): Show a header row. Defaults to True.
+        show_footer (bool, optional): Show a footer row. Defaults to False.
+        show_edge (bool, optional): Draw a box around the outside of the table. Defaults to True.
+        show_lines (bool, optional): Draw lines between every row. Defaults to False.
+        leading (bool, optional): Number of blank lines between rows (precludes ``show_lines``). Defaults to 0.
+        style (Union[str, Style], optional): Default style for the table. Defaults to "none".
+        row_styles (List[Union, str], optional): Optional list of row styles, if more than one style is given then the styles will alternate. Defaults to None.
+        header_style (Union[str, Style], optional): Style of the header. Defaults to "table.header".
+        footer_style (Union[str, Style], optional): Style of the footer. Defaults to "table.footer".
+        border_style (Union[str, Style], optional): Style of the border. Defaults to None.
+        title_style (Union[str, Style], optional): Style of the title. Defaults to None.
+        caption_style (Union[str, Style], optional): Style of the caption. Defaults to None.
+        title_justify (str, optional): Justify method for title. Defaults to "center".
+        caption_justify (str, optional): Justify method for caption. Defaults to "center".
+        highlight (bool, optional): Highlight cell contents (if str). Defaults to False.
+    """
+
+    columns: List[Column]
+    rows: List[Row]
+
+    def __init__(
+        self,
+        *headers: Union[Column, str],
+        title: Optional[TextType] = None,
+        caption: Optional[TextType] = None,
+        width: Optional[int] = None,
+        min_width: Optional[int] = None,
+        box: Optional[box.Box] = box.HEAVY_HEAD,
+        safe_box: Optional[bool] = None,
+        padding: PaddingDimensions = (0, 1),
+        collapse_padding: bool = False,
+        pad_edge: bool = True,
+        expand: bool = False,
+        show_header: bool = True,
+        show_footer: bool = False,
+        show_edge: bool = True,
+        show_lines: bool = False,
+        leading: int = 0,
+        style: StyleType = "none",
+        row_styles: Optional[Iterable[StyleType]] = None,
+        header_style: Optional[StyleType] = "table.header",
+        footer_style: Optional[StyleType] = "table.footer",
+        border_style: Optional[StyleType] = None,
+        title_style: Optional[StyleType] = None,
+        caption_style: Optional[StyleType] = None,
+        title_justify: "JustifyMethod" = "center",
+        caption_justify: "JustifyMethod" = "center",
+        highlight: bool = False,
+    ) -> None:
+
+        self.columns: List[Column] = []
+        self.rows: List[Row] = []
+        self.title = title
+        self.caption = caption
+        self.width = width
+        self.min_width = min_width
+        self.box = box
+        self.safe_box = safe_box
+        self._padding = Padding.unpack(padding)
+        self.pad_edge = pad_edge
+        self._expand = expand
+        self.show_header = show_header
+        self.show_footer = show_footer
+        self.show_edge = show_edge
+        self.show_lines = show_lines
+        self.leading = leading
+        self.collapse_padding = collapse_padding
+        self.style = style
+        self.header_style = header_style or ""
+        self.footer_style = footer_style or ""
+        self.border_style = border_style
+        self.title_style = title_style
+        self.caption_style = caption_style
+        self.title_justify: "JustifyMethod" = title_justify
+        self.caption_justify: "JustifyMethod" = caption_justify
+        self.highlight = highlight
+        self.row_styles: Sequence[StyleType] = list(row_styles or [])
+        append_column = self.columns.append
+        for header in headers:
+            if isinstance(header, str):
+                self.add_column(header=header)
+            else:
+                header._index = len(self.columns)
+                append_column(header)
+
+    @classmethod
+    def grid(
+        cls,
+        *headers: Union[Column, str],
+        padding: PaddingDimensions = 0,
+        collapse_padding: bool = True,
+        pad_edge: bool = False,
+        expand: bool = False,
+    ) -> "Table":
+        """Get a table with no lines, headers, or footer.
+
+        Args:
+            *headers (Union[Column, str]): Column headers, either as a string, or :class:`~rich.table.Column` instance.
+            padding (PaddingDimensions, optional): Get padding around cells. Defaults to 0.
+            collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to True.
+            pad_edge (bool, optional): Enable padding around edges of table. Defaults to False.
+            expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
+
+        Returns:
+            Table: A table instance.
+        """
+        return cls(
+            *headers,
+            box=None,
+            padding=padding,
+            collapse_padding=collapse_padding,
+            show_header=False,
+            show_footer=False,
+            show_edge=False,
+            pad_edge=pad_edge,
+            expand=expand,
+        )
+
+    @property
+    def expand(self) -> bool:
+        """Setting a non-None self.width implies expand."""
+        return self._expand or self.width is not None
+
+    @expand.setter
+    def expand(self, expand: bool) -> None:
+        """Set expand."""
+        self._expand = expand
+
+    @property
+    def _extra_width(self) -> int:
+        """Get extra width to add to cell content."""
+        width = 0
+        if self.box and self.show_edge:
+            width += 2
+        if self.box:
+            width += len(self.columns) - 1
+        return width
+
+    @property
+    def row_count(self) -> int:
+        """Get the current number of rows."""
+        return len(self.rows)
+
+    def get_row_style(self, console: "Console", index: int) -> StyleType:
+        """Get the current row style."""
+        style = Style.null()
+        if self.row_styles:
+            style += console.get_style(self.row_styles[index % len(self.row_styles)])
+        row_style = self.rows[index].style
+        if row_style is not None:
+            style += console.get_style(row_style)
+        return style
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        max_width = options.max_width
+        if self.width is not None:
+            max_width = self.width
+        if max_width < 0:
+            return Measurement(0, 0)
+
+        extra_width = self._extra_width
+        max_width = sum(
+            self._calculate_column_widths(
+                console, options.update_width(max_width - extra_width)
+            )
+        )
+        _measure_column = self._measure_column
+
+        measurements = [
+            _measure_column(console, options.update_width(max_width), column)
+            for column in self.columns
+        ]
+        minimum_width = (
+            sum(measurement.minimum for measurement in measurements) + extra_width
+        )
+        maximum_width = (
+            sum(measurement.maximum for measurement in measurements) + extra_width
+            if (self.width is None)
+            else self.width
+        )
+        measurement = Measurement(minimum_width, maximum_width)
+        measurement = measurement.clamp(self.min_width)
+        return measurement
+
+    @property
+    def padding(self) -> Tuple[int, int, int, int]:
+        """Get cell padding."""
+        return self._padding
+
+    @padding.setter
+    def padding(self, padding: PaddingDimensions) -> "Table":
+        """Set cell padding."""
+        self._padding = Padding.unpack(padding)
+        return self
+
+    def add_column(
+        self,
+        header: "RenderableType" = "",
+        footer: "RenderableType" = "",
+        *,
+        header_style: Optional[StyleType] = None,
+        footer_style: Optional[StyleType] = None,
+        style: Optional[StyleType] = None,
+        justify: "JustifyMethod" = "left",
+        vertical: "VerticalAlignMethod" = "top",
+        overflow: "OverflowMethod" = "ellipsis",
+        width: Optional[int] = None,
+        min_width: Optional[int] = None,
+        max_width: Optional[int] = None,
+        ratio: Optional[int] = None,
+        no_wrap: bool = False,
+    ) -> None:
+        """Add a column to the table.
+
+        Args:
+            header (RenderableType, optional): Text or renderable for the header.
+                Defaults to "".
+            footer (RenderableType, optional): Text or renderable for the footer.
+                Defaults to "".
+            header_style (Union[str, Style], optional): Style for the header, or None for default. Defaults to None.
+            footer_style (Union[str, Style], optional): Style for the footer, or None for default. Defaults to None.
+            style (Union[str, Style], optional): Style for the column cells, or None for default. Defaults to None.
+            justify (JustifyMethod, optional): Alignment for cells. Defaults to "left".
+            vertical (VerticalAlignMethod, optional): Vertical alignment, one of "top", "middle", or "bottom". Defaults to "top".
+            overflow (OverflowMethod): Overflow method: "crop", "fold", "ellipsis". Defaults to "ellipsis".
+            width (int, optional): Desired width of column in characters, or None to fit to contents. Defaults to None.
+            min_width (Optional[int], optional): Minimum width of column, or ``None`` for no minimum. Defaults to None.
+            max_width (Optional[int], optional): Maximum width of column, or ``None`` for no maximum. Defaults to None.
+            ratio (int, optional): Flexible ratio for the column (requires ``Table.expand`` or ``Table.width``). Defaults to None.
+            no_wrap (bool, optional): Set to ``True`` to disable wrapping of this column.
+        """
+
+        column = Column(
+            _index=len(self.columns),
+            header=header,
+            footer=footer,
+            header_style=header_style or "",
+            footer_style=footer_style or "",
+            style=style or "",
+            justify=justify,
+            vertical=vertical,
+            overflow=overflow,
+            width=width,
+            min_width=min_width,
+            max_width=max_width,
+            ratio=ratio,
+            no_wrap=no_wrap,
+        )
+        self.columns.append(column)
+
+    def add_row(
+        self,
+        *renderables: Optional["RenderableType"],
+        style: Optional[StyleType] = None,
+        end_section: bool = False,
+    ) -> None:
+        """Add a row of renderables.
+
+        Args:
+            *renderables (None or renderable): Each cell in a row must be a renderable object (including str),
+                or ``None`` for a blank cell.
+            style (StyleType, optional): An optional style to apply to the entire row. Defaults to None.
+            end_section (bool, optional): End a section and draw a line. Defaults to False.
+
+        Raises:
+            errors.NotRenderableError: If you add something that can't be rendered.
+        """
+
+        def add_cell(column: Column, renderable: "RenderableType") -> None:
+            column._cells.append(renderable)
+
+        cell_renderables: List[Optional["RenderableType"]] = list(renderables)
+
+        columns = self.columns
+        if len(cell_renderables) < len(columns):
+            cell_renderables = [
+                *cell_renderables,
+                *[None] * (len(columns) - len(cell_renderables)),
+            ]
+        for index, renderable in enumerate(cell_renderables):
+            if index == len(columns):
+                column = Column(_index=index)
+                for _ in self.rows:
+                    add_cell(column, Text(""))
+                self.columns.append(column)
+            else:
+                column = columns[index]
+            if renderable is None:
+                add_cell(column, "")
+            elif is_renderable(renderable):
+                add_cell(column, renderable)
+            else:
+                raise errors.NotRenderableError(
+                    f"unable to render {type(renderable).__name__}; a string or other renderable object is required"
+                )
+        self.rows.append(Row(style=style, end_section=end_section))
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+
+        if not self.columns:
+            yield Segment("\n")
+            return
+
+        max_width = options.max_width
+        if self.width is not None:
+            max_width = self.width
+
+        extra_width = self._extra_width
+        widths = self._calculate_column_widths(
+            console, options.update_width(max_width - extra_width)
+        )
+        table_width = sum(widths) + extra_width
+
+        render_options = options.update(
+            width=table_width, highlight=self.highlight, height=None
+        )
+
+        def render_annotation(
+            text: TextType, style: StyleType, justify: "JustifyMethod" = "center"
+        ) -> "RenderResult":
+            render_text = (
+                console.render_str(text, style=style, highlight=False)
+                if isinstance(text, str)
+                else text
+            )
+            return console.render(
+                render_text, options=render_options.update(justify=justify)
+            )
+
+        if self.title:
+            yield from render_annotation(
+                self.title,
+                style=Style.pick_first(self.title_style, "table.title"),
+                justify=self.title_justify,
+            )
+        yield from self._render(console, render_options, widths)
+        if self.caption:
+            yield from render_annotation(
+                self.caption,
+                style=Style.pick_first(self.caption_style, "table.caption"),
+                justify=self.caption_justify,
+            )
+
+    def _calculate_column_widths(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> List[int]:
+        """Calculate the widths of each column, including padding, not including borders."""
+        max_width = options.max_width
+        columns = self.columns
+        width_ranges = [
+            self._measure_column(console, options, column) for column in columns
+        ]
+        widths = [_range.maximum or 1 for _range in width_ranges]
+        get_padding_width = self._get_padding_width
+        extra_width = self._extra_width
+        if self.expand:
+            ratios = [col.ratio or 0 for col in columns if col.flexible]
+            if any(ratios):
+                fixed_widths = [
+                    0 if column.flexible else _range.maximum
+                    for _range, column in zip(width_ranges, columns)
+                ]
+                flex_minimum = [
+                    (column.width or 1) + get_padding_width(column._index)
+                    for column in columns
+                    if column.flexible
+                ]
+                flexible_width = max_width - sum(fixed_widths)
+                flex_widths = ratio_distribute(flexible_width, ratios, flex_minimum)
+                iter_flex_widths = iter(flex_widths)
+                for index, column in enumerate(columns):
+                    if column.flexible:
+                        widths[index] = fixed_widths[index] + next(iter_flex_widths)
+        table_width = sum(widths)
+
+        if table_width > max_width:
+            widths = self._collapse_widths(
+                widths,
+                [(column.width is None and not column.no_wrap) for column in columns],
+                max_width,
+            )
+            table_width = sum(widths)
+            # last resort, reduce columns evenly
+            if table_width > max_width:
+                excess_width = table_width - max_width
+                widths = ratio_reduce(excess_width, [1] * len(widths), widths, widths)
+                table_width = sum(widths)
+
+            width_ranges = [
+                self._measure_column(console, options.update_width(width), column)
+                for width, column in zip(widths, columns)
+            ]
+            widths = [_range.maximum or 0 for _range in width_ranges]
+
+        if (table_width < max_width and self.expand) or (
+            self.min_width is not None and table_width < (self.min_width - extra_width)
+        ):
+            _max_width = (
+                max_width
+                if self.min_width is None
+                else min(self.min_width - extra_width, max_width)
+            )
+            pad_widths = ratio_distribute(_max_width - table_width, widths)
+            widths = [_width + pad for _width, pad in zip(widths, pad_widths)]
+
+        return widths
+
+    @classmethod
+    def _collapse_widths(
+        cls, widths: List[int], wrapable: List[bool], max_width: int
+    ) -> List[int]:
+        """Reduce widths so that the total is under max_width.
+
+        Args:
+            widths (List[int]): List of widths.
+            wrapable (List[bool]): List of booleans that indicate if a column may shrink.
+            max_width (int): Maximum width to reduce to.
+
+        Returns:
+            List[int]: A new list of widths.
+        """
+        total_width = sum(widths)
+        excess_width = total_width - max_width
+        if any(wrapable):
+            while total_width and excess_width > 0:
+                max_column = max(
+                    width for width, allow_wrap in zip(widths, wrapable) if allow_wrap
+                )
+                second_max_column = max(
+                    width if allow_wrap and width != max_column else 0
+                    for width, allow_wrap in zip(widths, wrapable)
+                )
+                column_difference = max_column - second_max_column
+                ratios = [
+                    (1 if (width == max_column and allow_wrap) else 0)
+                    for width, allow_wrap in zip(widths, wrapable)
+                ]
+                if not any(ratios) or not column_difference:
+                    break
+                max_reduce = [min(excess_width, column_difference)] * len(widths)
+                widths = ratio_reduce(excess_width, ratios, max_reduce, widths)
+
+                total_width = sum(widths)
+                excess_width = total_width - max_width
+        return widths
+
+    def _get_cells(
+        self, console: "Console", column_index: int, column: Column
+    ) -> Iterable[_Cell]:
+        """Get all the cells with padding and optional header."""
+
+        collapse_padding = self.collapse_padding
+        pad_edge = self.pad_edge
+        padding = self.padding
+        any_padding = any(padding)
+
+        first_column = column_index == 0
+        last_column = column_index == len(self.columns) - 1
+
+        _padding_cache: Dict[Tuple[bool, bool], Tuple[int, int, int, int]] = {}
+
+        def get_padding(first_row: bool, last_row: bool) -> Tuple[int, int, int, int]:
+            cached = _padding_cache.get((first_row, last_row))
+            if cached:
+                return cached
+            top, right, bottom, left = padding
+
+            if collapse_padding:
+                if not first_column:
+                    left = max(0, left - right)
+                if not last_row:
+                    bottom = max(0, top - bottom)
+
+            if not pad_edge:
+                if first_column:
+                    left = 0
+                if last_column:
+                    right = 0
+                if first_row:
+                    top = 0
+                if last_row:
+                    bottom = 0
+            _padding = (top, right, bottom, left)
+            _padding_cache[(first_row, last_row)] = _padding
+            return _padding
+
+        raw_cells: List[Tuple[StyleType, "RenderableType"]] = []
+        _append = raw_cells.append
+        get_style = console.get_style
+        if self.show_header:
+            header_style = get_style(self.header_style or "") + get_style(
+                column.header_style
+            )
+            _append((header_style, column.header))
+        cell_style = get_style(column.style or "")
+        for cell in column.cells:
+            _append((cell_style, cell))
+        if self.show_footer:
+            footer_style = get_style(self.footer_style or "") + get_style(
+                column.footer_style
+            )
+            _append((footer_style, column.footer))
+
+        if any_padding:
+            _Padding = Padding
+            for first, last, (style, renderable) in loop_first_last(raw_cells):
+                yield _Cell(
+                    style,
+                    _Padding(renderable, get_padding(first, last)),
+                    getattr(renderable, "vertical", None) or column.vertical,
+                )
+        else:
+            for (style, renderable) in raw_cells:
+                yield _Cell(
+                    style,
+                    renderable,
+                    getattr(renderable, "vertical", None) or column.vertical,
+                )
+
+    def _get_padding_width(self, column_index: int) -> int:
+        """Get extra width from padding."""
+        _, pad_right, _, pad_left = self.padding
+        if self.collapse_padding:
+            if column_index > 0:
+                pad_left = max(0, pad_left - pad_right)
+        return pad_left + pad_right
+
+    def _measure_column(
+        self,
+        console: "Console",
+        options: "ConsoleOptions",
+        column: Column,
+    ) -> Measurement:
+        """Get the minimum and maximum width of the column."""
+
+        max_width = options.max_width
+        if max_width < 1:
+            return Measurement(0, 0)
+
+        padding_width = self._get_padding_width(column._index)
+
+        if column.width is not None:
+            # Fixed width column
+            return Measurement(
+                column.width + padding_width, column.width + padding_width
+            ).with_maximum(max_width)
+        # Flexible column, we need to measure contents
+        min_widths: List[int] = []
+        max_widths: List[int] = []
+        append_min = min_widths.append
+        append_max = max_widths.append
+        get_render_width = Measurement.get
+        for cell in self._get_cells(console, column._index, column):
+            _min, _max = get_render_width(console, options, cell.renderable)
+            append_min(_min)
+            append_max(_max)
+
+        measurement = Measurement(
+            max(min_widths) if min_widths else 1,
+            max(max_widths) if max_widths else max_width,
+        ).with_maximum(max_width)
+        measurement = measurement.clamp(
+            None if column.min_width is None else column.min_width + padding_width,
+            None if column.max_width is None else column.max_width + padding_width,
+        )
+        return measurement
+
+    def _render(
+        self, console: "Console", options: "ConsoleOptions", widths: List[int]
+    ) -> "RenderResult":
+        table_style = console.get_style(self.style or "")
+
+        border_style = table_style + console.get_style(self.border_style or "")
+        _column_cells = (
+            self._get_cells(console, column_index, column)
+            for column_index, column in enumerate(self.columns)
+        )
+        row_cells: List[Tuple[_Cell, ...]] = list(zip(*_column_cells))
+        _box = (
+            self.box.substitute(
+                options, safe=pick_bool(self.safe_box, console.safe_box)
+            )
+            if self.box
+            else None
+        )
+
+        # _box = self.box
+        new_line = Segment.line()
+
+        columns = self.columns
+        show_header = self.show_header
+        show_footer = self.show_footer
+        show_edge = self.show_edge
+        show_lines = self.show_lines
+        leading = self.leading
+
+        _Segment = Segment
+        if _box:
+            box_segments = [
+                (
+                    _Segment(_box.head_left, border_style),
+                    _Segment(_box.head_right, border_style),
+                    _Segment(_box.head_vertical, border_style),
+                ),
+                (
+                    _Segment(_box.foot_left, border_style),
+                    _Segment(_box.foot_right, border_style),
+                    _Segment(_box.foot_vertical, border_style),
+                ),
+                (
+                    _Segment(_box.mid_left, border_style),
+                    _Segment(_box.mid_right, border_style),
+                    _Segment(_box.mid_vertical, border_style),
+                ),
+            ]
+            if show_edge:
+                yield _Segment(_box.get_top(widths), border_style)
+                yield new_line
+        else:
+            box_segments = []
+
+        get_row_style = self.get_row_style
+        get_style = console.get_style
+
+        for index, (first, last, row_cell) in enumerate(loop_first_last(row_cells)):
+            header_row = first and show_header
+            footer_row = last and show_footer
+            row = (
+                self.rows[index - show_header]
+                if (not header_row and not footer_row)
+                else None
+            )
+            max_height = 1
+            cells: List[List[List[Segment]]] = []
+            if header_row or footer_row:
+                row_style = Style.null()
+            else:
+                row_style = get_style(
+                    get_row_style(console, index - 1 if show_header else index)
+                )
+            for width, cell, column in zip(widths, row_cell, columns):
+                render_options = options.update(
+                    width=width,
+                    justify=column.justify,
+                    no_wrap=column.no_wrap,
+                    overflow=column.overflow,
+                    height=None,
+                )
+                lines = console.render_lines(
+                    cell.renderable,
+                    render_options,
+                    style=get_style(cell.style) + row_style,
+                )
+                max_height = max(max_height, len(lines))
+                cells.append(lines)
+
+            row_height = max(len(cell) for cell in cells)
+
+            def align_cell(
+                cell: List[List[Segment]],
+                vertical: "VerticalAlignMethod",
+                width: int,
+                style: Style,
+            ) -> List[List[Segment]]:
+                if header_row:
+                    vertical = "bottom"
+                elif footer_row:
+                    vertical = "top"
+
+                if vertical == "top":
+                    return _Segment.align_top(cell, width, row_height, style)
+                elif vertical == "middle":
+                    return _Segment.align_middle(cell, width, row_height, style)
+                return _Segment.align_bottom(cell, width, row_height, style)
+
+            cells[:] = [
+                _Segment.set_shape(
+                    align_cell(
+                        cell,
+                        _cell.vertical,
+                        width,
+                        get_style(_cell.style) + row_style,
+                    ),
+                    width,
+                    max_height,
+                )
+                for width, _cell, cell, column in zip(widths, row_cell, cells, columns)
+            ]
+
+            if _box:
+                if last and show_footer:
+                    yield _Segment(
+                        _box.get_row(widths, "foot", edge=show_edge), border_style
+                    )
+                    yield new_line
+                left, right, _divider = box_segments[0 if first else (2 if last else 1)]
+
+                # If the column divider is whitespace also style it with the row background
+                divider = (
+                    _divider
+                    if _divider.text.strip()
+                    else _Segment(
+                        _divider.text, row_style.background_style + _divider.style
+                    )
+                )
+                for line_no in range(max_height):
+                    if show_edge:
+                        yield left
+                    for last_cell, rendered_cell in loop_last(cells):
+                        yield from rendered_cell[line_no]
+                        if not last_cell:
+                            yield divider
+                    if show_edge:
+                        yield right
+                    yield new_line
+            else:
+                for line_no in range(max_height):
+                    for rendered_cell in cells:
+                        yield from rendered_cell[line_no]
+                    yield new_line
+            if _box and first and show_header:
+                yield _Segment(
+                    _box.get_row(widths, "head", edge=show_edge), border_style
+                )
+                yield new_line
+            end_section = row and row.end_section
+            if _box and (show_lines or leading or end_section):
+                if (
+                    not last
+                    and not (show_footer and index >= len(row_cells) - 2)
+                    and not (show_header and header_row)
+                ):
+                    if leading:
+                        yield _Segment(
+                            _box.get_row(widths, "mid", edge=show_edge) * leading,
+                            border_style,
+                        )
+                    else:
+                        yield _Segment(
+                            _box.get_row(widths, "row", edge=show_edge), border_style
+                        )
+                    yield new_line
+
+        if _box and show_edge:
+            yield _Segment(_box.get_bottom(widths), border_style)
+            yield new_line
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+    from pip._vendor.rich.highlighter import ReprHighlighter
+    from pip._vendor.rich.table import Table as Table
+
+    from ._timer import timer
+
+    with timer("Table render"):
+        table = Table(
+            title="Star Wars Movies",
+            caption="Rich example table",
+            caption_justify="right",
+        )
+
+        table.add_column(
+            "Released", header_style="bright_cyan", style="cyan", no_wrap=True
+        )
+        table.add_column("Title", style="magenta")
+        table.add_column("Box Office", justify="right", style="green")
+
+        table.add_row(
+            "Dec 20, 2019",
+            "Star Wars: The Rise of Skywalker",
+            "$952,110,690",
+        )
+        table.add_row("May 25, 2018", "Solo: A Star Wars Story", "$393,151,347")
+        table.add_row(
+            "Dec 15, 2017",
+            "Star Wars Ep. V111: The Last Jedi",
+            "$1,332,539,889",
+            style="on black",
+            end_section=True,
+        )
+        table.add_row(
+            "Dec 16, 2016",
+            "Rogue One: A Star Wars Story",
+            "$1,332,439,889",
+        )
+
+        def header(text: str) -> None:
+            console.print()
+            console.rule(highlight(text))
+            console.print()
+
+        console = Console()
+        highlight = ReprHighlighter()
+        header("Example Table")
+        console.print(table, justify="center")
+
+        table.expand = True
+        header("expand=True")
+        console.print(table)
+
+        table.width = 50
+        header("width=50")
+
+        console.print(table, justify="center")
+
+        table.width = None
+        table.expand = False
+        table.row_styles = ["dim", "none"]
+        header("row_styles=['dim', 'none']")
+
+        console.print(table, justify="center")
+
+        table.width = None
+        table.expand = False
+        table.row_styles = ["dim", "none"]
+        table.leading = 1
+        header("leading=1, row_styles=['dim', 'none']")
+        console.print(table, justify="center")
+
+        table.width = None
+        table.expand = False
+        table.row_styles = ["dim", "none"]
+        table.show_lines = True
+        table.leading = 0
+        header("show_lines=True, row_styles=['dim', 'none']")
+        console.print(table, justify="center")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/tabulate.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/tabulate.py
new file mode 100644
index 0000000000000000000000000000000000000000..6889f2d331b6ef28286201e1010e076184e3f2b1
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/tabulate.py
@@ -0,0 +1,51 @@
+from collections.abc import Mapping
+from typing import Any, Optional
+import warnings
+
+from pip._vendor.rich.console import JustifyMethod
+
+from . import box
+from .highlighter import ReprHighlighter
+from .pretty import Pretty
+from .table import Table
+
+
+def tabulate_mapping(
+    mapping: "Mapping[Any, Any]",
+    title: Optional[str] = None,
+    caption: Optional[str] = None,
+    title_justify: Optional[JustifyMethod] = None,
+    caption_justify: Optional[JustifyMethod] = None,
+) -> Table:
+    """Generate a simple table from a mapping.
+
+    Args:
+        mapping (Mapping): A mapping object (e.g. a dict);
+        title (str, optional): Optional title to be displayed over the table.
+        caption (str, optional): Optional caption to be displayed below the table.
+        title_justify (str, optional): Justify method for title. Defaults to None.
+        caption_justify (str, optional): Justify method for caption. Defaults to None.
+
+    Returns:
+        Table: A table instance which may be rendered by the Console.
+    """
+    warnings.warn("tabulate_mapping will be deprecated in Rich v11", DeprecationWarning)
+    table = Table(
+        show_header=False,
+        title=title,
+        caption=caption,
+        box=box.ROUNDED,
+        border_style="blue",
+    )
+    table.title = title
+    table.caption = caption
+    if title_justify is not None:
+        table.title_justify = title_justify
+    if caption_justify is not None:
+        table.caption_justify = caption_justify
+    highlighter = ReprHighlighter()
+    for key, value in mapping.items():
+        table.add_row(
+            Pretty(key, highlighter=highlighter), Pretty(value, highlighter=highlighter)
+        )
+    return table
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/terminal_theme.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/terminal_theme.py
new file mode 100644
index 0000000000000000000000000000000000000000..801ac0b7b8581632e4f77b436b1a04d3f94a876d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/terminal_theme.py
@@ -0,0 +1,55 @@
+from typing import List, Optional, Tuple
+
+from .color_triplet import ColorTriplet
+from .palette import Palette
+
+_ColorTuple = Tuple[int, int, int]
+
+
+class TerminalTheme:
+    """A color theme used when exporting console content.
+
+    Args:
+        background (Tuple[int, int, int]): The background color.
+        foreground (Tuple[int, int, int]): The foreground (text) color.
+        normal (List[Tuple[int, int, int]]): A list of 8 normal intensity colors.
+        bright (List[Tuple[int, int, int]], optional): A list of 8 bright colors, or None
+            to repeat normal intensity. Defaults to None.
+    """
+
+    def __init__(
+        self,
+        background: _ColorTuple,
+        foreground: _ColorTuple,
+        normal: List[_ColorTuple],
+        bright: Optional[List[_ColorTuple]] = None,
+    ) -> None:
+        self.background_color = ColorTriplet(*background)
+        self.foreground_color = ColorTriplet(*foreground)
+        self.ansi_colors = Palette(normal + (bright or normal))
+
+
+DEFAULT_TERMINAL_THEME = TerminalTheme(
+    (255, 255, 255),
+    (0, 0, 0),
+    [
+        (0, 0, 0),
+        (128, 0, 0),
+        (0, 128, 0),
+        (128, 128, 0),
+        (0, 0, 128),
+        (128, 0, 128),
+        (0, 128, 128),
+        (192, 192, 192),
+    ],
+    [
+        (128, 128, 128),
+        (255, 0, 0),
+        (0, 255, 0),
+        (255, 255, 0),
+        (0, 0, 255),
+        (255, 0, 255),
+        (0, 255, 255),
+        (255, 255, 255),
+    ],
+)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/text.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/text.py
new file mode 100644
index 0000000000000000000000000000000000000000..ea12c09d7296b4fe36be0b0b37269947cb702d3c
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/text.py
@@ -0,0 +1,1282 @@
+import re
+from functools import partial, reduce
+from math import gcd
+from operator import itemgetter
+from pip._vendor.rich.emoji import EmojiVariant
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Tuple,
+    Union,
+)
+
+from ._loop import loop_last
+from ._pick import pick_bool
+from ._wrap import divide_line
+from .align import AlignMethod
+from .cells import cell_len, set_cell_size
+from .containers import Lines
+from .control import strip_control_codes
+from .emoji import EmojiVariant
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style, StyleType
+
+if TYPE_CHECKING:  # pragma: no cover
+    from .console import Console, ConsoleOptions, JustifyMethod, OverflowMethod
+
+DEFAULT_JUSTIFY: "JustifyMethod" = "default"
+DEFAULT_OVERFLOW: "OverflowMethod" = "fold"
+
+
+_re_whitespace = re.compile(r"\s+$")
+
+TextType = Union[str, "Text"]
+
+GetStyleCallable = Callable[[str], Optional[StyleType]]
+
+
+class Span(NamedTuple):
+    """A marked up region in some text."""
+
+    start: int
+    """Span start index."""
+    end: int
+    """Span end index."""
+    style: Union[str, Style]
+    """Style associated with the span."""
+
+    def __repr__(self) -> str:
+        return (
+            f"Span({self.start}, {self.end}, {self.style!r})"
+            if (isinstance(self.style, Style) and self.style._meta)
+            else f"Span({self.start}, {self.end}, {repr(self.style)})"
+        )
+
+    def __bool__(self) -> bool:
+        return self.end > self.start
+
+    def split(self, offset: int) -> Tuple["Span", Optional["Span"]]:
+        """Split a span in to 2 from a given offset."""
+
+        if offset < self.start:
+            return self, None
+        if offset >= self.end:
+            return self, None
+
+        start, end, style = self
+        span1 = Span(start, min(end, offset), style)
+        span2 = Span(span1.end, end, style)
+        return span1, span2
+
+    def move(self, offset: int) -> "Span":
+        """Move start and end by a given offset.
+
+        Args:
+            offset (int): Number of characters to add to start and end.
+
+        Returns:
+            TextSpan: A new TextSpan with adjusted position.
+        """
+        start, end, style = self
+        return Span(start + offset, end + offset, style)
+
+    def right_crop(self, offset: int) -> "Span":
+        """Crop the span at the given offset.
+
+        Args:
+            offset (int): A value between start and end.
+
+        Returns:
+            Span: A new (possibly smaller) span.
+        """
+        start, end, style = self
+        if offset >= end:
+            return self
+        return Span(start, min(offset, end), style)
+
+
+class Text(JupyterMixin):
+    """Text with color / style.
+
+    Args:
+        text (str, optional): Default unstyled text. Defaults to "".
+        style (Union[str, Style], optional): Base style for text. Defaults to "".
+        justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+        overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+        no_wrap (bool, optional): Disable text wrapping, or None for default. Defaults to None.
+        end (str, optional): Character to end text with. Defaults to "\\\\n".
+        tab_size (int): Number of spaces per tab, or ``None`` to use ``console.tab_size``. Defaults to 8.
+        spans (List[Span], optional). A list of predefined style spans. Defaults to None.
+    """
+
+    __slots__ = [
+        "_text",
+        "style",
+        "justify",
+        "overflow",
+        "no_wrap",
+        "end",
+        "tab_size",
+        "_spans",
+        "_length",
+    ]
+
+    def __init__(
+        self,
+        text: str = "",
+        style: Union[str, Style] = "",
+        *,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = None,
+        end: str = "\n",
+        tab_size: Optional[int] = 8,
+        spans: Optional[List[Span]] = None,
+    ) -> None:
+        self._text = [strip_control_codes(text)]
+        self.style = style
+        self.justify: Optional["JustifyMethod"] = justify
+        self.overflow: Optional["OverflowMethod"] = overflow
+        self.no_wrap = no_wrap
+        self.end = end
+        self.tab_size = tab_size
+        self._spans: List[Span] = spans or []
+        self._length: int = len(text)
+
+    def __len__(self) -> int:
+        return self._length
+
+    def __bool__(self) -> bool:
+        return bool(self._length)
+
+    def __str__(self) -> str:
+        return self.plain
+
+    def __repr__(self) -> str:
+        return f"<text {self.plain!r} {self._spans!r}>"
+
+    def __add__(self, other: Any) -> "Text":
+        if isinstance(other, (str, Text)):
+            result = self.copy()
+            result.append(other)
+            return result
+        return NotImplemented
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, Text):
+            return NotImplemented
+        return self.plain == other.plain and self._spans == other._spans
+
+    def __contains__(self, other: object) -> bool:
+        if isinstance(other, str):
+            return other in self.plain
+        elif isinstance(other, Text):
+            return other.plain in self.plain
+        return False
+
+    def __getitem__(self, slice: Union[int, slice]) -> "Text":
+        def get_text_at(offset: int) -> "Text":
+            _Span = Span
+            text = Text(
+                self.plain[offset],
+                spans=[
+                    _Span(0, 1, style)
+                    for start, end, style in self._spans
+                    if end > offset >= start
+                ],
+                end="",
+            )
+            return text
+
+        if isinstance(slice, int):
+            return get_text_at(slice)
+        else:
+            start, stop, step = slice.indices(len(self.plain))
+            if step == 1:
+                lines = self.divide([start, stop])
+                return lines[1]
+            else:
+                # This would be a bit of work to implement efficiently
+                # For now, its not required
+                raise TypeError("slices with step!=1 are not supported")
+
+    @property
+    def cell_len(self) -> int:
+        """Get the number of cells required to render this text."""
+        return cell_len(self.plain)
+
+    @property
+    def markup(self) -> str:
+        """Get console markup to render this Text.
+
+        Returns:
+            str: A string potentially creating markup tags.
+        """
+        from .markup import escape
+
+        output: List[str] = []
+
+        plain = self.plain
+        markup_spans = [
+            (0, False, self.style),
+            *((span.start, False, span.style) for span in self._spans),
+            *((span.end, True, span.style) for span in self._spans),
+            (len(plain), True, self.style),
+        ]
+        markup_spans.sort(key=itemgetter(0, 1))
+        position = 0
+        append = output.append
+        for offset, closing, style in markup_spans:
+            if offset > position:
+                append(escape(plain[position:offset]))
+                position = offset
+            if style:
+                append(f"[/{style}]" if closing else f"[{style}]")
+        markup = "".join(output)
+        return markup
+
+    @classmethod
+    def from_markup(
+        cls,
+        text: str,
+        *,
+        style: Union[str, Style] = "",
+        emoji: bool = True,
+        emoji_variant: Optional[EmojiVariant] = None,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+    ) -> "Text":
+        """Create Text instance from markup.
+
+        Args:
+            text (str): A string containing console markup.
+            emoji (bool, optional): Also render emoji code. Defaults to True.
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+
+        Returns:
+            Text: A Text instance with markup rendered.
+        """
+        from .markup import render
+
+        rendered_text = render(text, style, emoji=emoji, emoji_variant=emoji_variant)
+        rendered_text.justify = justify
+        rendered_text.overflow = overflow
+        return rendered_text
+
+    @classmethod
+    def from_ansi(
+        cls,
+        text: str,
+        *,
+        style: Union[str, Style] = "",
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = None,
+        end: str = "\n",
+        tab_size: Optional[int] = 8,
+    ) -> "Text":
+        """Create a Text object from a string containing ANSI escape codes.
+
+        Args:
+            text (str): A string containing escape codes.
+            style (Union[str, Style], optional): Base style for text. Defaults to "".
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+            no_wrap (bool, optional): Disable text wrapping, or None for default. Defaults to None.
+            end (str, optional): Character to end text with. Defaults to "\\\\n".
+            tab_size (int): Number of spaces per tab, or ``None`` to use ``console.tab_size``. Defaults to 8.
+        """
+        from .ansi import AnsiDecoder
+
+        joiner = Text(
+            "\n",
+            justify=justify,
+            overflow=overflow,
+            no_wrap=no_wrap,
+            end=end,
+            tab_size=tab_size,
+            style=style,
+        )
+        decoder = AnsiDecoder()
+        result = joiner.join(line for line in decoder.decode(text))
+        return result
+
+    @classmethod
+    def styled(
+        cls,
+        text: str,
+        style: StyleType = "",
+        *,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+    ) -> "Text":
+        """Construct a Text instance with a pre-applied styled. A style applied in this way won't be used
+        to pad the text when it is justified.
+
+        Args:
+            text (str): A string containing console markup.
+            style (Union[str, Style]): Style to apply to the text. Defaults to "".
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+
+        Returns:
+            Text: A text instance with a style applied to the entire string.
+        """
+        styled_text = cls(text, justify=justify, overflow=overflow)
+        styled_text.stylize(style)
+        return styled_text
+
+    @classmethod
+    def assemble(
+        cls,
+        *parts: Union[str, "Text", Tuple[str, StyleType]],
+        style: Union[str, Style] = "",
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = None,
+        end: str = "\n",
+        tab_size: int = 8,
+        meta: Optional[Dict[str, Any]] = None,
+    ) -> "Text":
+        """Construct a text instance by combining a sequence of strings with optional styles.
+        The positional arguments should be either strings, or a tuple of string + style.
+
+        Args:
+            style (Union[str, Style], optional): Base style for text. Defaults to "".
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+            end (str, optional): Character to end text with. Defaults to "\\\\n".
+            tab_size (int): Number of spaces per tab, or ``None`` to use ``console.tab_size``. Defaults to 8.
+            meta (Dict[str, Any], optional). Meta data to apply to text, or None for no meta data. Default to None
+
+        Returns:
+            Text: A new text instance.
+        """
+        text = cls(
+            style=style,
+            justify=justify,
+            overflow=overflow,
+            no_wrap=no_wrap,
+            end=end,
+            tab_size=tab_size,
+        )
+        append = text.append
+        _Text = Text
+        for part in parts:
+            if isinstance(part, (_Text, str)):
+                append(part)
+            else:
+                append(*part)
+        if meta:
+            text.apply_meta(meta)
+        return text
+
+    @property
+    def plain(self) -> str:
+        """Get the text as a single string."""
+        if len(self._text) != 1:
+            self._text[:] = ["".join(self._text)]
+        return self._text[0]
+
+    @plain.setter
+    def plain(self, new_text: str) -> None:
+        """Set the text to a new value."""
+        if new_text != self.plain:
+            self._text[:] = [new_text]
+            old_length = self._length
+            self._length = len(new_text)
+            if old_length > self._length:
+                self._trim_spans()
+
+    @property
+    def spans(self) -> List[Span]:
+        """Get a reference to the internal list of spans."""
+        return self._spans
+
+    @spans.setter
+    def spans(self, spans: List[Span]) -> None:
+        """Set spans."""
+        self._spans = spans[:]
+
+    def blank_copy(self, plain: str = "") -> "Text":
+        """Return a new Text instance with copied meta data (but not the string or spans)."""
+        copy_self = Text(
+            plain,
+            style=self.style,
+            justify=self.justify,
+            overflow=self.overflow,
+            no_wrap=self.no_wrap,
+            end=self.end,
+            tab_size=self.tab_size,
+        )
+        return copy_self
+
+    def copy(self) -> "Text":
+        """Return a copy of this instance."""
+        copy_self = Text(
+            self.plain,
+            style=self.style,
+            justify=self.justify,
+            overflow=self.overflow,
+            no_wrap=self.no_wrap,
+            end=self.end,
+            tab_size=self.tab_size,
+        )
+        copy_self._spans[:] = self._spans
+        return copy_self
+
+    def stylize(
+        self,
+        style: Union[str, Style],
+        start: int = 0,
+        end: Optional[int] = None,
+    ) -> None:
+        """Apply a style to the text, or a portion of the text.
+
+        Args:
+            style (Union[str, Style]): Style instance or style definition to apply.
+            start (int): Start offset (negative indexing is supported). Defaults to 0.
+            end (Optional[int], optional): End offset (negative indexing is supported), or None for end of text. Defaults to None.
+
+        """
+        if style:
+            length = len(self)
+            if start < 0:
+                start = length + start
+            if end is None:
+                end = length
+            if end < 0:
+                end = length + end
+            if start >= length or end <= start:
+                # Span not in text or not valid
+                return
+            self._spans.append(Span(start, min(length, end), style))
+
+    def apply_meta(
+        self, meta: Dict[str, Any], start: int = 0, end: Optional[int] = None
+    ) -> None:
+        """Apply meta data to the text, or a portion of the text.
+
+        Args:
+            meta (Dict[str, Any]): A dict of meta information.
+            start (int): Start offset (negative indexing is supported). Defaults to 0.
+            end (Optional[int], optional): End offset (negative indexing is supported), or None for end of text. Defaults to None.
+
+        """
+        style = Style.from_meta(meta)
+        self.stylize(style, start=start, end=end)
+
+    def on(self, meta: Optional[Dict[str, Any]] = None, **handlers: Any) -> "Text":
+        """Apply event handlers (used by Textual project).
+
+        Example:
+            >>> from rich.text import Text
+            >>> text = Text("hello world")
+            >>> text.on(click="view.toggle('world')")
+
+        Args:
+            meta (Dict[str, Any]): Mapping of meta information.
+            **handlers: Keyword args are prefixed with "@" to defined handlers.
+
+        Returns:
+            Text: Self is returned to method may be chained.
+        """
+        meta = {} if meta is None else meta
+        meta.update({f"@{key}": value for key, value in handlers.items()})
+        self.stylize(Style.from_meta(meta))
+        return self
+
+    def remove_suffix(self, suffix: str) -> None:
+        """Remove a suffix if it exists.
+
+        Args:
+            suffix (str): Suffix to remove.
+        """
+        if self.plain.endswith(suffix):
+            self.right_crop(len(suffix))
+
+    def get_style_at_offset(self, console: "Console", offset: int) -> Style:
+        """Get the style of a character at give offset.
+
+        Args:
+            console (~Console): Console where text will be rendered.
+            offset (int): Offset in to text (negative indexing supported)
+
+        Returns:
+            Style: A Style instance.
+        """
+        # TODO: This is a little inefficient, it is only used by full justify
+        if offset < 0:
+            offset = len(self) + offset
+        get_style = console.get_style
+        style = get_style(self.style).copy()
+        for start, end, span_style in self._spans:
+            if end > offset >= start:
+                style += get_style(span_style, default="")
+        return style
+
+    def highlight_regex(
+        self,
+        re_highlight: str,
+        style: Optional[Union[GetStyleCallable, StyleType]] = None,
+        *,
+        style_prefix: str = "",
+    ) -> int:
+        """Highlight text with a regular expression, where group names are
+        translated to styles.
+
+        Args:
+            re_highlight (str): A regular expression.
+            style (Union[GetStyleCallable, StyleType]): Optional style to apply to whole match, or a callable
+                which accepts the matched text and returns a style. Defaults to None.
+            style_prefix (str, optional): Optional prefix to add to style group names.
+
+        Returns:
+            int: Number of regex matches
+        """
+        count = 0
+        append_span = self._spans.append
+        _Span = Span
+        plain = self.plain
+        for match in re.finditer(re_highlight, plain):
+            get_span = match.span
+            if style:
+                start, end = get_span()
+                match_style = style(plain[start:end]) if callable(style) else style
+                if match_style is not None and end > start:
+                    append_span(_Span(start, end, match_style))
+
+            count += 1
+            for name in match.groupdict().keys():
+                start, end = get_span(name)
+                if start != -1 and end > start:
+                    append_span(_Span(start, end, f"{style_prefix}{name}"))
+        return count
+
+    def highlight_words(
+        self,
+        words: Iterable[str],
+        style: Union[str, Style],
+        *,
+        case_sensitive: bool = True,
+    ) -> int:
+        """Highlight words with a style.
+
+        Args:
+            words (Iterable[str]): Worlds to highlight.
+            style (Union[str, Style]): Style to apply.
+            case_sensitive (bool, optional): Enable case sensitive matchings. Defaults to True.
+
+        Returns:
+            int: Number of words highlighted.
+        """
+        re_words = "|".join(re.escape(word) for word in words)
+        add_span = self._spans.append
+        count = 0
+        _Span = Span
+        for match in re.finditer(
+            re_words, self.plain, flags=0 if case_sensitive else re.IGNORECASE
+        ):
+            start, end = match.span(0)
+            add_span(_Span(start, end, style))
+            count += 1
+        return count
+
+    def rstrip(self) -> None:
+        """Strip whitespace from end of text."""
+        self.plain = self.plain.rstrip()
+
+    def rstrip_end(self, size: int) -> None:
+        """Remove whitespace beyond a certain width at the end of the text.
+
+        Args:
+            size (int): The desired size of the text.
+        """
+        text_length = len(self)
+        if text_length > size:
+            excess = text_length - size
+            whitespace_match = _re_whitespace.search(self.plain)
+            if whitespace_match is not None:
+                whitespace_count = len(whitespace_match.group(0))
+                self.right_crop(min(whitespace_count, excess))
+
+    def set_length(self, new_length: int) -> None:
+        """Set new length of the text, clipping or padding is required."""
+        length = len(self)
+        if length != new_length:
+            if length < new_length:
+                self.pad_right(new_length - length)
+            else:
+                self.right_crop(length - new_length)
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Iterable[Segment]:
+        tab_size: int = console.tab_size or self.tab_size or 8
+        justify = self.justify or options.justify or DEFAULT_JUSTIFY
+
+        overflow = self.overflow or options.overflow or DEFAULT_OVERFLOW
+
+        lines = self.wrap(
+            console,
+            options.max_width,
+            justify=justify,
+            overflow=overflow,
+            tab_size=tab_size or 8,
+            no_wrap=pick_bool(self.no_wrap, options.no_wrap, False),
+        )
+        all_lines = Text("\n").join(lines)
+        yield from all_lines.render(console, end=self.end)
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        text = self.plain
+        lines = text.splitlines()
+        max_text_width = max(cell_len(line) for line in lines) if lines else 0
+        words = text.split()
+        min_text_width = (
+            max(cell_len(word) for word in words) if words else max_text_width
+        )
+        return Measurement(min_text_width, max_text_width)
+
+    def render(self, console: "Console", end: str = "") -> Iterable["Segment"]:
+        """Render the text as Segments.
+
+        Args:
+            console (Console): Console instance.
+            end (Optional[str], optional): Optional end character.
+
+        Returns:
+            Iterable[Segment]: Result of render that may be written to the console.
+        """
+        _Segment = Segment
+        text = self.plain
+        if not self._spans:
+            yield Segment(text)
+            if end:
+                yield _Segment(end)
+            return
+        get_style = partial(console.get_style, default=Style.null())
+
+        enumerated_spans = list(enumerate(self._spans, 1))
+        style_map = {index: get_style(span.style) for index, span in enumerated_spans}
+        style_map[0] = get_style(self.style)
+
+        spans = [
+            (0, False, 0),
+            *((span.start, False, index) for index, span in enumerated_spans),
+            *((span.end, True, index) for index, span in enumerated_spans),
+            (len(text), True, 0),
+        ]
+        spans.sort(key=itemgetter(0, 1))
+
+        stack: List[int] = []
+        stack_append = stack.append
+        stack_pop = stack.remove
+
+        style_cache: Dict[Tuple[Style, ...], Style] = {}
+        style_cache_get = style_cache.get
+        combine = Style.combine
+
+        def get_current_style() -> Style:
+            """Construct current style from stack."""
+            styles = tuple(style_map[_style_id] for _style_id in sorted(stack))
+            cached_style = style_cache_get(styles)
+            if cached_style is not None:
+                return cached_style
+            current_style = combine(styles)
+            style_cache[styles] = current_style
+            return current_style
+
+        for (offset, leaving, style_id), (next_offset, _, _) in zip(spans, spans[1:]):
+            if leaving:
+                stack_pop(style_id)
+            else:
+                stack_append(style_id)
+            if next_offset > offset:
+                yield _Segment(text[offset:next_offset], get_current_style())
+        if end:
+            yield _Segment(end)
+
+    def join(self, lines: Iterable["Text"]) -> "Text":
+        """Join text together with this instance as the separator.
+
+        Args:
+            lines (Iterable[Text]): An iterable of Text instances to join.
+
+        Returns:
+            Text: A new text instance containing join text.
+        """
+
+        new_text = self.blank_copy()
+
+        def iter_text() -> Iterable["Text"]:
+            if self.plain:
+                for last, line in loop_last(lines):
+                    yield line
+                    if not last:
+                        yield self
+            else:
+                yield from lines
+
+        extend_text = new_text._text.extend
+        append_span = new_text._spans.append
+        extend_spans = new_text._spans.extend
+        offset = 0
+        _Span = Span
+
+        for text in iter_text():
+            extend_text(text._text)
+            if text.style:
+                append_span(_Span(offset, offset + len(text), text.style))
+            extend_spans(
+                _Span(offset + start, offset + end, style)
+                for start, end, style in text._spans
+            )
+            offset += len(text)
+        new_text._length = offset
+        return new_text
+
+    def expand_tabs(self, tab_size: Optional[int] = None) -> None:
+        """Converts tabs to spaces.
+
+        Args:
+            tab_size (int, optional): Size of tabs. Defaults to 8.
+
+        """
+        if "\t" not in self.plain:
+            return
+        pos = 0
+        if tab_size is None:
+            tab_size = self.tab_size
+        assert tab_size is not None
+        result = self.blank_copy()
+        append = result.append
+
+        _style = self.style
+        for line in self.split("\n", include_separator=True):
+            parts = line.split("\t", include_separator=True)
+            for part in parts:
+                if part.plain.endswith("\t"):
+                    part._text = [part.plain[:-1] + " "]
+                    append(part)
+                    pos += len(part)
+                    spaces = tab_size - ((pos - 1) % tab_size) - 1
+                    if spaces:
+                        append(" " * spaces, _style)
+                        pos += spaces
+                else:
+                    append(part)
+        self._text = [result.plain]
+        self._length = len(self.plain)
+        self._spans[:] = result._spans
+
+    def truncate(
+        self,
+        max_width: int,
+        *,
+        overflow: Optional["OverflowMethod"] = None,
+        pad: bool = False,
+    ) -> None:
+        """Truncate text if it is longer that a given width.
+
+        Args:
+            max_width (int): Maximum number of characters in text.
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to None, to use self.overflow.
+            pad (bool, optional): Pad with spaces if the length is less than max_width. Defaults to False.
+        """
+        _overflow = overflow or self.overflow or DEFAULT_OVERFLOW
+        if _overflow != "ignore":
+            length = cell_len(self.plain)
+            if length > max_width:
+                if _overflow == "ellipsis":
+                    self.plain = set_cell_size(self.plain, max_width - 1) + "…"
+                else:
+                    self.plain = set_cell_size(self.plain, max_width)
+            if pad and length < max_width:
+                spaces = max_width - length
+                self._text = [f"{self.plain}{' ' * spaces}"]
+                self._length = len(self.plain)
+
+    def _trim_spans(self) -> None:
+        """Remove or modify any spans that are over the end of the text."""
+        max_offset = len(self.plain)
+        _Span = Span
+        self._spans[:] = [
+            (
+                span
+                if span.end < max_offset
+                else _Span(span.start, min(max_offset, span.end), span.style)
+            )
+            for span in self._spans
+            if span.start < max_offset
+        ]
+
+    def pad(self, count: int, character: str = " ") -> None:
+        """Pad left and right with a given number of characters.
+
+        Args:
+            count (int): Width of padding.
+        """
+        assert len(character) == 1, "Character must be a string of length 1"
+        if count:
+            pad_characters = character * count
+            self.plain = f"{pad_characters}{self.plain}{pad_characters}"
+            _Span = Span
+            self._spans[:] = [
+                _Span(start + count, end + count, style)
+                for start, end, style in self._spans
+            ]
+
+    def pad_left(self, count: int, character: str = " ") -> None:
+        """Pad the left with a given character.
+
+        Args:
+            count (int): Number of characters to pad.
+            character (str, optional): Character to pad with. Defaults to " ".
+        """
+        assert len(character) == 1, "Character must be a string of length 1"
+        if count:
+            self.plain = f"{character * count}{self.plain}"
+            _Span = Span
+            self._spans[:] = [
+                _Span(start + count, end + count, style)
+                for start, end, style in self._spans
+            ]
+
+    def pad_right(self, count: int, character: str = " ") -> None:
+        """Pad the right with a given character.
+
+        Args:
+            count (int): Number of characters to pad.
+            character (str, optional): Character to pad with. Defaults to " ".
+        """
+        assert len(character) == 1, "Character must be a string of length 1"
+        if count:
+            self.plain = f"{self.plain}{character * count}"
+
+    def align(self, align: AlignMethod, width: int, character: str = " ") -> None:
+        """Align text to a given width.
+
+        Args:
+            align (AlignMethod): One of "left", "center", or "right".
+            width (int): Desired width.
+            character (str, optional): Character to pad with. Defaults to " ".
+        """
+        self.truncate(width)
+        excess_space = width - cell_len(self.plain)
+        if excess_space:
+            if align == "left":
+                self.pad_right(excess_space, character)
+            elif align == "center":
+                left = excess_space // 2
+                self.pad_left(left, character)
+                self.pad_right(excess_space - left, character)
+            else:
+                self.pad_left(excess_space, character)
+
+    def append(
+        self, text: Union["Text", str], style: Optional[Union[str, "Style"]] = None
+    ) -> "Text":
+        """Add text with an optional style.
+
+        Args:
+            text (Union[Text, str]): A str or Text to append.
+            style (str, optional): A style name. Defaults to None.
+
+        Returns:
+            Text: Returns self for chaining.
+        """
+
+        if not isinstance(text, (str, Text)):
+            raise TypeError("Only str or Text can be appended to Text")
+
+        if len(text):
+            if isinstance(text, str):
+                text = strip_control_codes(text)
+                self._text.append(text)
+                offset = len(self)
+                text_length = len(text)
+                if style is not None:
+                    self._spans.append(Span(offset, offset + text_length, style))
+                self._length += text_length
+            elif isinstance(text, Text):
+                _Span = Span
+                if style is not None:
+                    raise ValueError(
+                        "style must not be set when appending Text instance"
+                    )
+                text_length = self._length
+                if text.style is not None:
+                    self._spans.append(
+                        _Span(text_length, text_length + len(text), text.style)
+                    )
+                self._text.append(text.plain)
+                self._spans.extend(
+                    _Span(start + text_length, end + text_length, style)
+                    for start, end, style in text._spans
+                )
+                self._length += len(text)
+        return self
+
+    def append_text(self, text: "Text") -> "Text":
+        """Append another Text instance. This method is more performant that Text.append, but
+        only works for Text.
+
+        Returns:
+            Text: Returns self for chaining.
+        """
+        _Span = Span
+        text_length = self._length
+        if text.style is not None:
+            self._spans.append(_Span(text_length, text_length + len(text), text.style))
+        self._text.append(text.plain)
+        self._spans.extend(
+            _Span(start + text_length, end + text_length, style)
+            for start, end, style in text._spans
+        )
+        self._length += len(text)
+        return self
+
+    def append_tokens(
+        self, tokens: Iterable[Tuple[str, Optional[StyleType]]]
+    ) -> "Text":
+        """Append iterable of str and style. Style may be a Style instance or a str style definition.
+
+        Args:
+            pairs (Iterable[Tuple[str, Optional[StyleType]]]): An iterable of tuples containing str content and style.
+
+        Returns:
+            Text: Returns self for chaining.
+        """
+        append_text = self._text.append
+        append_span = self._spans.append
+        _Span = Span
+        offset = len(self)
+        for content, style in tokens:
+            append_text(content)
+            if style is not None:
+                append_span(_Span(offset, offset + len(content), style))
+            offset += len(content)
+        self._length = offset
+        return self
+
+    def copy_styles(self, text: "Text") -> None:
+        """Copy styles from another Text instance.
+
+        Args:
+            text (Text): A Text instance to copy styles from, must be the same length.
+        """
+        self._spans.extend(text._spans)
+
+    def split(
+        self,
+        separator: str = "\n",
+        *,
+        include_separator: bool = False,
+        allow_blank: bool = False,
+    ) -> Lines:
+        """Split rich text in to lines, preserving styles.
+
+        Args:
+            separator (str, optional): String to split on. Defaults to "\\\\n".
+            include_separator (bool, optional): Include the separator in the lines. Defaults to False.
+            allow_blank (bool, optional): Return a blank line if the text ends with a separator. Defaults to False.
+
+        Returns:
+            List[RichText]: A list of rich text, one per line of the original.
+        """
+        assert separator, "separator must not be empty"
+
+        text = self.plain
+        if separator not in text:
+            return Lines([self.copy()])
+
+        if include_separator:
+            lines = self.divide(
+                match.end() for match in re.finditer(re.escape(separator), text)
+            )
+        else:
+
+            def flatten_spans() -> Iterable[int]:
+                for match in re.finditer(re.escape(separator), text):
+                    start, end = match.span()
+                    yield start
+                    yield end
+
+            lines = Lines(
+                line for line in self.divide(flatten_spans()) if line.plain != separator
+            )
+
+        if not allow_blank and text.endswith(separator):
+            lines.pop()
+
+        return lines
+
+    def divide(self, offsets: Iterable[int]) -> Lines:
+        """Divide text in to a number of lines at given offsets.
+
+        Args:
+            offsets (Iterable[int]): Offsets used to divide text.
+
+        Returns:
+            Lines: New RichText instances between offsets.
+        """
+        _offsets = list(offsets)
+
+        if not _offsets:
+            return Lines([self.copy()])
+
+        text = self.plain
+        text_length = len(text)
+        divide_offsets = [0, *_offsets, text_length]
+        line_ranges = list(zip(divide_offsets, divide_offsets[1:]))
+
+        style = self.style
+        justify = self.justify
+        overflow = self.overflow
+        _Text = Text
+        new_lines = Lines(
+            _Text(
+                text[start:end],
+                style=style,
+                justify=justify,
+                overflow=overflow,
+            )
+            for start, end in line_ranges
+        )
+        if not self._spans:
+            return new_lines
+
+        _line_appends = [line._spans.append for line in new_lines._lines]
+        line_count = len(line_ranges)
+        _Span = Span
+
+        for span_start, span_end, style in self._spans:
+
+            lower_bound = 0
+            upper_bound = line_count
+            start_line_no = (lower_bound + upper_bound) // 2
+
+            while True:
+                line_start, line_end = line_ranges[start_line_no]
+                if span_start < line_start:
+                    upper_bound = start_line_no - 1
+                elif span_start > line_end:
+                    lower_bound = start_line_no + 1
+                else:
+                    break
+                start_line_no = (lower_bound + upper_bound) // 2
+
+            if span_end < line_end:
+                end_line_no = start_line_no
+            else:
+                end_line_no = lower_bound = start_line_no
+                upper_bound = line_count
+
+                while True:
+                    line_start, line_end = line_ranges[end_line_no]
+                    if span_end < line_start:
+                        upper_bound = end_line_no - 1
+                    elif span_end > line_end:
+                        lower_bound = end_line_no + 1
+                    else:
+                        break
+                    end_line_no = (lower_bound + upper_bound) // 2
+
+            for line_no in range(start_line_no, end_line_no + 1):
+                line_start, line_end = line_ranges[line_no]
+                new_start = max(0, span_start - line_start)
+                new_end = min(span_end - line_start, line_end - line_start)
+                if new_end > new_start:
+                    _line_appends[line_no](_Span(new_start, new_end, style))
+
+        return new_lines
+
+    def right_crop(self, amount: int = 1) -> None:
+        """Remove a number of characters from the end of the text."""
+        max_offset = len(self.plain) - amount
+        _Span = Span
+        self._spans[:] = [
+            (
+                span
+                if span.end < max_offset
+                else _Span(span.start, min(max_offset, span.end), span.style)
+            )
+            for span in self._spans
+            if span.start < max_offset
+        ]
+        self._text = [self.plain[:-amount]]
+        self._length -= amount
+
+    def wrap(
+        self,
+        console: "Console",
+        width: int,
+        *,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        tab_size: int = 8,
+        no_wrap: Optional[bool] = None,
+    ) -> Lines:
+        """Word wrap the text.
+
+        Args:
+            console (Console): Console instance.
+            width (int): Number of characters per line.
+            emoji (bool, optional): Also render emoji code. Defaults to True.
+            justify (str, optional): Justify method: "default", "left", "center", "full", "right". Defaults to "default".
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to None.
+            tab_size (int, optional): Default tab size. Defaults to 8.
+            no_wrap (bool, optional): Disable wrapping, Defaults to False.
+
+        Returns:
+            Lines: Number of lines.
+        """
+        wrap_justify = justify or self.justify or DEFAULT_JUSTIFY
+        wrap_overflow = overflow or self.overflow or DEFAULT_OVERFLOW
+
+        no_wrap = pick_bool(no_wrap, self.no_wrap, False) or overflow == "ignore"
+
+        lines = Lines()
+        for line in self.split(allow_blank=True):
+            if "\t" in line:
+                line.expand_tabs(tab_size)
+            if no_wrap:
+                new_lines = Lines([line])
+            else:
+                offsets = divide_line(str(line), width, fold=wrap_overflow == "fold")
+                new_lines = line.divide(offsets)
+            for line in new_lines:
+                line.rstrip_end(width)
+            if wrap_justify:
+                new_lines.justify(
+                    console, width, justify=wrap_justify, overflow=wrap_overflow
+                )
+            for line in new_lines:
+                line.truncate(width, overflow=wrap_overflow)
+            lines.extend(new_lines)
+        return lines
+
+    def fit(self, width: int) -> Lines:
+        """Fit the text in to given width by chopping in to lines.
+
+        Args:
+            width (int): Maximum characters in a line.
+
+        Returns:
+            Lines: List of lines.
+        """
+        lines: Lines = Lines()
+        append = lines.append
+        for line in self.split():
+            line.set_length(width)
+            append(line)
+        return lines
+
+    def detect_indentation(self) -> int:
+        """Auto-detect indentation of code.
+
+        Returns:
+            int: Number of spaces used to indent code.
+        """
+
+        _indentations = {
+            len(match.group(1))
+            for match in re.finditer(r"^( *)(.*)$", self.plain, flags=re.MULTILINE)
+        }
+
+        try:
+            indentation = (
+                reduce(gcd, [indent for indent in _indentations if not indent % 2]) or 1
+            )
+        except TypeError:
+            indentation = 1
+
+        return indentation
+
+    def with_indent_guides(
+        self,
+        indent_size: Optional[int] = None,
+        *,
+        character: str = "│",
+        style: StyleType = "dim green",
+    ) -> "Text":
+        """Adds indent guide lines to text.
+
+        Args:
+            indent_size (Optional[int]): Size of indentation, or None to auto detect. Defaults to None.
+            character (str, optional): Character to use for indentation. Defaults to "│".
+            style (Union[Style, str], optional): Style of indent guides.
+
+        Returns:
+            Text: New text with indentation guides.
+        """
+
+        _indent_size = self.detect_indentation() if indent_size is None else indent_size
+
+        text = self.copy()
+        text.expand_tabs()
+        indent_line = f"{character}{' ' * (_indent_size - 1)}"
+
+        re_indent = re.compile(r"^( *)(.*)$")
+        new_lines: List[Text] = []
+        add_line = new_lines.append
+        blank_lines = 0
+        for line in text.split(allow_blank=True):
+            match = re_indent.match(line.plain)
+            if not match or not match.group(2):
+                blank_lines += 1
+                continue
+            indent = match.group(1)
+            full_indents, remaining_space = divmod(len(indent), _indent_size)
+            new_indent = f"{indent_line * full_indents}{' ' * remaining_space}"
+            line.plain = new_indent + line.plain[len(new_indent) :]
+            line.stylize(style, 0, len(new_indent))
+            if blank_lines:
+                new_lines.extend([Text(new_indent, style=style)] * blank_lines)
+                blank_lines = 0
+            add_line(line)
+        if blank_lines:
+            new_lines.extend([Text("", style=style)] * blank_lines)
+
+        new_text = text.blank_copy("\n").join(new_lines)
+        return new_text
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+
+    text = Text(
+        """\nLorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.\n"""
+    )
+    text.highlight_words(["Lorem"], "bold")
+    text.highlight_words(["ipsum"], "italic")
+
+    console = Console()
+
+    console.rule("justify='left'")
+    console.print(text, style="red")
+    console.print()
+
+    console.rule("justify='center'")
+    console.print(text, style="green", justify="center")
+    console.print()
+
+    console.rule("justify='right'")
+    console.print(text, style="blue", justify="right")
+    console.print()
+
+    console.rule("justify='full'")
+    console.print(text, style="magenta", justify="full")
+    console.print()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/theme.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/theme.py
new file mode 100644
index 0000000000000000000000000000000000000000..bfb3c7f82155ba74b5d2b933c252d6ce80fd059d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/theme.py
@@ -0,0 +1,112 @@
+import configparser
+from typing import Dict, List, IO, Mapping, Optional
+
+from .default_styles import DEFAULT_STYLES
+from .style import Style, StyleType
+
+
+class Theme:
+    """A container for style information, used by :class:`~rich.console.Console`.
+
+    Args:
+        styles (Dict[str, Style], optional): A mapping of style names on to styles. Defaults to None for a theme with no styles.
+        inherit (bool, optional): Inherit default styles. Defaults to True.
+    """
+
+    styles: Dict[str, Style]
+
+    def __init__(
+        self, styles: Optional[Mapping[str, StyleType]] = None, inherit: bool = True
+    ):
+        self.styles = DEFAULT_STYLES.copy() if inherit else {}
+        if styles is not None:
+            self.styles.update(
+                {
+                    name: style if isinstance(style, Style) else Style.parse(style)
+                    for name, style in styles.items()
+                }
+            )
+
+    @property
+    def config(self) -> str:
+        """Get contents of a config file for this theme."""
+        config = "[styles]\n" + "\n".join(
+            f"{name} = {style}" for name, style in sorted(self.styles.items())
+        )
+        return config
+
+    @classmethod
+    def from_file(
+        cls, config_file: IO[str], source: Optional[str] = None, inherit: bool = True
+    ) -> "Theme":
+        """Load a theme from a text mode file.
+
+        Args:
+            config_file (IO[str]): An open conf file.
+            source (str, optional): The filename of the open file. Defaults to None.
+            inherit (bool, optional): Inherit default styles. Defaults to True.
+
+        Returns:
+            Theme: A New theme instance.
+        """
+        config = configparser.ConfigParser()
+        config.read_file(config_file, source=source)
+        styles = {name: Style.parse(value) for name, value in config.items("styles")}
+        theme = Theme(styles, inherit=inherit)
+        return theme
+
+    @classmethod
+    def read(cls, path: str, inherit: bool = True) -> "Theme":
+        """Read a theme from a path.
+
+        Args:
+            path (str): Path to a config file readable by Python configparser module.
+            inherit (bool, optional): Inherit default styles. Defaults to True.
+
+        Returns:
+            Theme: A new theme instance.
+        """
+        with open(path, "rt") as config_file:
+            return cls.from_file(config_file, source=path, inherit=inherit)
+
+
+class ThemeStackError(Exception):
+    """Base exception for errors related to the theme stack."""
+
+
+class ThemeStack:
+    """A stack of themes.
+
+    Args:
+        theme (Theme): A theme instance
+    """
+
+    def __init__(self, theme: Theme) -> None:
+        self._entries: List[Dict[str, Style]] = [theme.styles]
+        self.get = self._entries[-1].get
+
+    def push_theme(self, theme: Theme, inherit: bool = True) -> None:
+        """Push a theme on the top of the stack.
+
+        Args:
+            theme (Theme): A Theme instance.
+            inherit (boolean, optional): Inherit styles from current top of stack.
+        """
+        styles: Dict[str, Style]
+        styles = (
+            {**self._entries[-1], **theme.styles} if inherit else theme.styles.copy()
+        )
+        self._entries.append(styles)
+        self.get = self._entries[-1].get
+
+    def pop_theme(self) -> None:
+        """Pop (and discard) the top-most theme."""
+        if len(self._entries) == 1:
+            raise ThemeStackError("Unable to pop base theme")
+        self._entries.pop()
+        self.get = self._entries[-1].get
+
+
+if __name__ == "__main__":  # pragma: no cover
+    theme = Theme()
+    print(theme.config)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/themes.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/themes.py
new file mode 100644
index 0000000000000000000000000000000000000000..bf6db104a2c4fd4f3dc699e85f2b262c3d31e9a0
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/themes.py
@@ -0,0 +1,5 @@
+from .default_styles import DEFAULT_STYLES
+from .theme import Theme
+
+
+DEFAULT = Theme(DEFAULT_STYLES)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/traceback.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/traceback.py
new file mode 100644
index 0000000000000000000000000000000000000000..66a39ebab3c8d78fd116998330579c2d2c873375
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/traceback.py
@@ -0,0 +1,678 @@
+from __future__ import absolute_import
+
+import os
+import platform
+import sys
+from dataclasses import dataclass, field
+from traceback import walk_tb
+from types import ModuleType, TracebackType
+from typing import Any, Callable, Dict, Iterable, List, Optional, Sequence, Type, Union
+
+from pip._vendor.pygments.lexers import guess_lexer_for_filename
+from pip._vendor.pygments.token import Comment, Keyword, Name, Number, Operator, String
+from pip._vendor.pygments.token import Text as TextToken
+from pip._vendor.pygments.token import Token
+
+from . import pretty
+from ._loop import loop_first, loop_last
+from .columns import Columns
+from .console import Console, ConsoleOptions, ConsoleRenderable, RenderResult, group
+from .constrain import Constrain
+from .highlighter import RegexHighlighter, ReprHighlighter
+from .panel import Panel
+from .scope import render_scope
+from .style import Style
+from .syntax import Syntax
+from .text import Text
+from .theme import Theme
+
+WINDOWS = platform.system() == "Windows"
+
+LOCALS_MAX_LENGTH = 10
+LOCALS_MAX_STRING = 80
+
+
+def install(
+    *,
+    console: Optional[Console] = None,
+    width: Optional[int] = 100,
+    extra_lines: int = 3,
+    theme: Optional[str] = None,
+    word_wrap: bool = False,
+    show_locals: bool = False,
+    indent_guides: bool = True,
+    suppress: Iterable[Union[str, ModuleType]] = (),
+    max_frames: int = 100,
+) -> Callable[[Type[BaseException], BaseException, Optional[TracebackType]], Any]:
+    """Install a rich traceback handler.
+
+    Once installed, any tracebacks will be printed with syntax highlighting and rich formatting.
+
+
+    Args:
+        console (Optional[Console], optional): Console to write exception to. Default uses internal Console instance.
+        width (Optional[int], optional): Width (in characters) of traceback. Defaults to 100.
+        extra_lines (int, optional): Extra lines of code. Defaults to 3.
+        theme (Optional[str], optional): Pygments theme to use in traceback. Defaults to ``None`` which will pick
+            a theme appropriate for the platform.
+        word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+        show_locals (bool, optional): Enable display of local variables. Defaults to False.
+        indent_guides (bool, optional): Enable indent guides in code and locals. Defaults to True.
+        suppress (Sequence[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+
+    Returns:
+        Callable: The previous exception handler that was replaced.
+
+    """
+    traceback_console = Console(file=sys.stderr) if console is None else console
+
+    def excepthook(
+        type_: Type[BaseException],
+        value: BaseException,
+        traceback: Optional[TracebackType],
+    ) -> None:
+        traceback_console.print(
+            Traceback.from_exception(
+                type_,
+                value,
+                traceback,
+                width=width,
+                extra_lines=extra_lines,
+                theme=theme,
+                word_wrap=word_wrap,
+                show_locals=show_locals,
+                indent_guides=indent_guides,
+                suppress=suppress,
+                max_frames=max_frames,
+            )
+        )
+
+    def ipy_excepthook_closure(ip: Any) -> None:  # pragma: no cover
+        tb_data = {}  # store information about showtraceback call
+        default_showtraceback = ip.showtraceback  # keep reference of default traceback
+
+        def ipy_show_traceback(*args: Any, **kwargs: Any) -> None:
+            """wrap the default ip.showtraceback to store info for ip._showtraceback"""
+            nonlocal tb_data
+            tb_data = kwargs
+            default_showtraceback(*args, **kwargs)
+
+        def ipy_display_traceback(
+            *args: Any, is_syntax: bool = False, **kwargs: Any
+        ) -> None:
+            """Internally called traceback from ip._showtraceback"""
+            nonlocal tb_data
+            exc_tuple = ip._get_exc_info()
+
+            # do not display trace on syntax error
+            tb: Optional[TracebackType] = None if is_syntax else exc_tuple[2]
+
+            # determine correct tb_offset
+            compiled = tb_data.get("running_compiled_code", False)
+            tb_offset = tb_data.get("tb_offset", 1 if compiled else 0)
+            # remove ipython internal frames from trace with tb_offset
+            for _ in range(tb_offset):
+                if tb is None:
+                    break
+                tb = tb.tb_next
+
+            excepthook(exc_tuple[0], exc_tuple[1], tb)
+            tb_data = {}  # clear data upon usage
+
+        # replace _showtraceback instead of showtraceback to allow ipython features such as debugging to work
+        # this is also what the ipython docs recommends to modify when subclassing InteractiveShell
+        ip._showtraceback = ipy_display_traceback
+        # add wrapper to capture tb_data
+        ip.showtraceback = ipy_show_traceback
+        ip.showsyntaxerror = lambda *args, **kwargs: ipy_display_traceback(
+            *args, is_syntax=True, **kwargs
+        )
+
+    try:  # pragma: no cover
+        # if within ipython, use customized traceback
+        ip = get_ipython()  # type: ignore
+        ipy_excepthook_closure(ip)
+        return sys.excepthook
+    except Exception:
+        # otherwise use default system hook
+        old_excepthook = sys.excepthook
+        sys.excepthook = excepthook
+        return old_excepthook
+
+
+@dataclass
+class Frame:
+    filename: str
+    lineno: int
+    name: str
+    line: str = ""
+    locals: Optional[Dict[str, pretty.Node]] = None
+
+
+@dataclass
+class _SyntaxError:
+    offset: int
+    filename: str
+    line: str
+    lineno: int
+    msg: str
+
+
+@dataclass
+class Stack:
+    exc_type: str
+    exc_value: str
+    syntax_error: Optional[_SyntaxError] = None
+    is_cause: bool = False
+    frames: List[Frame] = field(default_factory=list)
+
+
+@dataclass
+class Trace:
+    stacks: List[Stack]
+
+
+class PathHighlighter(RegexHighlighter):
+    highlights = [r"(?P<dim>.*/)(?P<bold>.+)"]
+
+
+class Traceback:
+    """A Console renderable that renders a traceback.
+
+    Args:
+        trace (Trace, optional): A `Trace` object produced from `extract`. Defaults to None, which uses
+            the last exception.
+        width (Optional[int], optional): Number of characters used to traceback. Defaults to 100.
+        extra_lines (int, optional): Additional lines of code to render. Defaults to 3.
+        theme (str, optional): Override pygments theme used in traceback.
+        word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+        show_locals (bool, optional): Enable display of local variables. Defaults to False.
+        indent_guides (bool, optional): Enable indent guides in code and locals. Defaults to True.
+        locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to 10.
+        locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+        suppress (Sequence[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+        max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+
+    """
+
+    LEXERS = {
+        "": "text",
+        ".py": "python",
+        ".pxd": "cython",
+        ".pyx": "cython",
+        ".pxi": "pyrex",
+    }
+
+    def __init__(
+        self,
+        trace: Optional[Trace] = None,
+        width: Optional[int] = 100,
+        extra_lines: int = 3,
+        theme: Optional[str] = None,
+        word_wrap: bool = False,
+        show_locals: bool = False,
+        indent_guides: bool = True,
+        locals_max_length: int = LOCALS_MAX_LENGTH,
+        locals_max_string: int = LOCALS_MAX_STRING,
+        suppress: Iterable[Union[str, ModuleType]] = (),
+        max_frames: int = 100,
+    ):
+        if trace is None:
+            exc_type, exc_value, traceback = sys.exc_info()
+            if exc_type is None or exc_value is None or traceback is None:
+                raise ValueError(
+                    "Value for 'trace' required if not called in except: block"
+                )
+            trace = self.extract(
+                exc_type, exc_value, traceback, show_locals=show_locals
+            )
+        self.trace = trace
+        self.width = width
+        self.extra_lines = extra_lines
+        self.theme = Syntax.get_theme(theme or "ansi_dark")
+        self.word_wrap = word_wrap
+        self.show_locals = show_locals
+        self.indent_guides = indent_guides
+        self.locals_max_length = locals_max_length
+        self.locals_max_string = locals_max_string
+
+        self.suppress: Sequence[str] = []
+        for suppress_entity in suppress:
+            if not isinstance(suppress_entity, str):
+                assert (
+                    suppress_entity.__file__ is not None
+                ), f"{suppress_entity!r} must be a module with '__file__' attribute"
+                path = os.path.dirname(suppress_entity.__file__)
+            else:
+                path = suppress_entity
+            path = os.path.normpath(os.path.abspath(path))
+            self.suppress.append(path)
+        self.max_frames = max(4, max_frames) if max_frames > 0 else 0
+
+    @classmethod
+    def from_exception(
+        cls,
+        exc_type: Type[Any],
+        exc_value: BaseException,
+        traceback: Optional[TracebackType],
+        width: Optional[int] = 100,
+        extra_lines: int = 3,
+        theme: Optional[str] = None,
+        word_wrap: bool = False,
+        show_locals: bool = False,
+        indent_guides: bool = True,
+        locals_max_length: int = LOCALS_MAX_LENGTH,
+        locals_max_string: int = LOCALS_MAX_STRING,
+        suppress: Iterable[Union[str, ModuleType]] = (),
+        max_frames: int = 100,
+    ) -> "Traceback":
+        """Create a traceback from exception info
+
+        Args:
+            exc_type (Type[BaseException]): Exception type.
+            exc_value (BaseException): Exception value.
+            traceback (TracebackType): Python Traceback object.
+            width (Optional[int], optional): Number of characters used to traceback. Defaults to 100.
+            extra_lines (int, optional): Additional lines of code to render. Defaults to 3.
+            theme (str, optional): Override pygments theme used in traceback.
+            word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+            show_locals (bool, optional): Enable display of local variables. Defaults to False.
+            indent_guides (bool, optional): Enable indent guides in code and locals. Defaults to True.
+            locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+                Defaults to 10.
+            locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+            suppress (Iterable[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+            max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+
+        Returns:
+            Traceback: A Traceback instance that may be printed.
+        """
+        rich_traceback = cls.extract(
+            exc_type, exc_value, traceback, show_locals=show_locals
+        )
+        return cls(
+            rich_traceback,
+            width=width,
+            extra_lines=extra_lines,
+            theme=theme,
+            word_wrap=word_wrap,
+            show_locals=show_locals,
+            indent_guides=indent_guides,
+            locals_max_length=locals_max_length,
+            locals_max_string=locals_max_string,
+            suppress=suppress,
+            max_frames=max_frames,
+        )
+
+    @classmethod
+    def extract(
+        cls,
+        exc_type: Type[BaseException],
+        exc_value: BaseException,
+        traceback: Optional[TracebackType],
+        show_locals: bool = False,
+        locals_max_length: int = LOCALS_MAX_LENGTH,
+        locals_max_string: int = LOCALS_MAX_STRING,
+    ) -> Trace:
+        """Extract traceback information.
+
+        Args:
+            exc_type (Type[BaseException]): Exception type.
+            exc_value (BaseException): Exception value.
+            traceback (TracebackType): Python Traceback object.
+            show_locals (bool, optional): Enable display of local variables. Defaults to False.
+            locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+                Defaults to 10.
+            locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+
+        Returns:
+            Trace: A Trace instance which you can use to construct a `Traceback`.
+        """
+
+        stacks: List[Stack] = []
+        is_cause = False
+
+        from pip._vendor.rich import _IMPORT_CWD
+
+        def safe_str(_object: Any) -> str:
+            """Don't allow exceptions from __str__ to propegate."""
+            try:
+                return str(_object)
+            except Exception:
+                return "<exception str() failed>"
+
+        while True:
+            stack = Stack(
+                exc_type=safe_str(exc_type.__name__),
+                exc_value=safe_str(exc_value),
+                is_cause=is_cause,
+            )
+
+            if isinstance(exc_value, SyntaxError):
+                stack.syntax_error = _SyntaxError(
+                    offset=exc_value.offset or 0,
+                    filename=exc_value.filename or "?",
+                    lineno=exc_value.lineno or 0,
+                    line=exc_value.text or "",
+                    msg=exc_value.msg,
+                )
+
+            stacks.append(stack)
+            append = stack.frames.append
+
+            for frame_summary, line_no in walk_tb(traceback):
+                filename = frame_summary.f_code.co_filename
+                if filename and not filename.startswith("<"):
+                    if not os.path.isabs(filename):
+                        filename = os.path.join(_IMPORT_CWD, filename)
+                frame = Frame(
+                    filename=filename or "?",
+                    lineno=line_no,
+                    name=frame_summary.f_code.co_name,
+                    locals={
+                        key: pretty.traverse(
+                            value,
+                            max_length=locals_max_length,
+                            max_string=locals_max_string,
+                        )
+                        for key, value in frame_summary.f_locals.items()
+                    }
+                    if show_locals
+                    else None,
+                )
+                append(frame)
+                if "_rich_traceback_guard" in frame_summary.f_locals:
+                    del stack.frames[:]
+
+            cause = getattr(exc_value, "__cause__", None)
+            if cause and cause.__traceback__:
+                exc_type = cause.__class__
+                exc_value = cause
+                traceback = cause.__traceback__
+                if traceback:
+                    is_cause = True
+                    continue
+
+            cause = exc_value.__context__
+            if (
+                cause
+                and cause.__traceback__
+                and not getattr(exc_value, "__suppress_context__", False)
+            ):
+                exc_type = cause.__class__
+                exc_value = cause
+                traceback = cause.__traceback__
+                if traceback:
+                    is_cause = False
+                    continue
+            # No cover, code is reached but coverage doesn't recognize it.
+            break  # pragma: no cover
+
+        trace = Trace(stacks=stacks)
+        return trace
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        theme = self.theme
+        background_style = theme.get_background_style()
+        token_style = theme.get_style_for_token
+
+        traceback_theme = Theme(
+            {
+                "pretty": token_style(TextToken),
+                "pygments.text": token_style(Token),
+                "pygments.string": token_style(String),
+                "pygments.function": token_style(Name.Function),
+                "pygments.number": token_style(Number),
+                "repr.indent": token_style(Comment) + Style(dim=True),
+                "repr.str": token_style(String),
+                "repr.brace": token_style(TextToken) + Style(bold=True),
+                "repr.number": token_style(Number),
+                "repr.bool_true": token_style(Keyword.Constant),
+                "repr.bool_false": token_style(Keyword.Constant),
+                "repr.none": token_style(Keyword.Constant),
+                "scope.border": token_style(String.Delimiter),
+                "scope.equals": token_style(Operator),
+                "scope.key": token_style(Name),
+                "scope.key.special": token_style(Name.Constant) + Style(dim=True),
+            },
+            inherit=False,
+        )
+
+        highlighter = ReprHighlighter()
+        for last, stack in loop_last(reversed(self.trace.stacks)):
+            if stack.frames:
+                stack_renderable: ConsoleRenderable = Panel(
+                    self._render_stack(stack),
+                    title="[traceback.title]Traceback [dim](most recent call last)",
+                    style=background_style,
+                    border_style="traceback.border",
+                    expand=True,
+                    padding=(0, 1),
+                )
+                stack_renderable = Constrain(stack_renderable, self.width)
+                with console.use_theme(traceback_theme):
+                    yield stack_renderable
+            if stack.syntax_error is not None:
+                with console.use_theme(traceback_theme):
+                    yield Constrain(
+                        Panel(
+                            self._render_syntax_error(stack.syntax_error),
+                            style=background_style,
+                            border_style="traceback.border.syntax_error",
+                            expand=True,
+                            padding=(0, 1),
+                            width=self.width,
+                        ),
+                        self.width,
+                    )
+                yield Text.assemble(
+                    (f"{stack.exc_type}: ", "traceback.exc_type"),
+                    highlighter(stack.syntax_error.msg),
+                )
+            elif stack.exc_value:
+                yield Text.assemble(
+                    (f"{stack.exc_type}: ", "traceback.exc_type"),
+                    highlighter(stack.exc_value),
+                )
+            else:
+                yield Text.assemble((f"{stack.exc_type}", "traceback.exc_type"))
+
+            if not last:
+                if stack.is_cause:
+                    yield Text.from_markup(
+                        "\n[i]The above exception was the direct cause of the following exception:\n",
+                    )
+                else:
+                    yield Text.from_markup(
+                        "\n[i]During handling of the above exception, another exception occurred:\n",
+                    )
+
+    @group()
+    def _render_syntax_error(self, syntax_error: _SyntaxError) -> RenderResult:
+        highlighter = ReprHighlighter()
+        path_highlighter = PathHighlighter()
+        if syntax_error.filename != "<stdin>":
+            text = Text.assemble(
+                (f" {syntax_error.filename}", "pygments.string"),
+                (":", "pygments.text"),
+                (str(syntax_error.lineno), "pygments.number"),
+                style="pygments.text",
+            )
+            yield path_highlighter(text)
+        syntax_error_text = highlighter(syntax_error.line.rstrip())
+        syntax_error_text.no_wrap = True
+        offset = min(syntax_error.offset - 1, len(syntax_error_text))
+        syntax_error_text.stylize("bold underline", offset, offset)
+        syntax_error_text += Text.from_markup(
+            "\n" + " " * offset + "[traceback.offset]▲[/]",
+            style="pygments.text",
+        )
+        yield syntax_error_text
+
+    @classmethod
+    def _guess_lexer(cls, filename: str, code: str) -> str:
+        ext = os.path.splitext(filename)[-1]
+        if not ext:
+            # No extension, look at first line to see if it is a hashbang
+            # Note, this is an educated guess and not a guarantee
+            # If it fails, the only downside is that the code is highlighted strangely
+            new_line_index = code.index("\n")
+            first_line = code[:new_line_index] if new_line_index != -1 else code
+            if first_line.startswith("#!") and "python" in first_line.lower():
+                return "python"
+        lexer_name = (
+            cls.LEXERS.get(ext) or guess_lexer_for_filename(filename, code).name
+        )
+        return lexer_name
+
+    @group()
+    def _render_stack(self, stack: Stack) -> RenderResult:
+        path_highlighter = PathHighlighter()
+        theme = self.theme
+        code_cache: Dict[str, str] = {}
+
+        def read_code(filename: str) -> str:
+            """Read files, and cache results on filename.
+
+            Args:
+                filename (str): Filename to read
+
+            Returns:
+                str: Contents of file
+            """
+            code = code_cache.get(filename)
+            if code is None:
+                with open(
+                    filename, "rt", encoding="utf-8", errors="replace"
+                ) as code_file:
+                    code = code_file.read()
+                code_cache[filename] = code
+            return code
+
+        def render_locals(frame: Frame) -> Iterable[ConsoleRenderable]:
+            if frame.locals:
+                yield render_scope(
+                    frame.locals,
+                    title="locals",
+                    indent_guides=self.indent_guides,
+                    max_length=self.locals_max_length,
+                    max_string=self.locals_max_string,
+                )
+
+        exclude_frames: Optional[range] = None
+        if self.max_frames != 0:
+            exclude_frames = range(
+                self.max_frames // 2,
+                len(stack.frames) - self.max_frames // 2,
+            )
+
+        excluded = False
+        for frame_index, frame in enumerate(stack.frames):
+
+            if exclude_frames and frame_index in exclude_frames:
+                excluded = True
+                continue
+
+            if excluded:
+                assert exclude_frames is not None
+                yield Text(
+                    f"\n... {len(exclude_frames)} frames hidden ...",
+                    justify="center",
+                    style="traceback.error",
+                )
+                excluded = False
+
+            first = frame_index == 1
+            frame_filename = frame.filename
+            suppressed = any(frame_filename.startswith(path) for path in self.suppress)
+
+            text = Text.assemble(
+                path_highlighter(Text(frame.filename, style="pygments.string")),
+                (":", "pygments.text"),
+                (str(frame.lineno), "pygments.number"),
+                " in ",
+                (frame.name, "pygments.function"),
+                style="pygments.text",
+            )
+            if not frame.filename.startswith("<") and not first:
+                yield ""
+            yield text
+            if frame.filename.startswith("<"):
+                yield from render_locals(frame)
+                continue
+            if not suppressed:
+                try:
+                    code = read_code(frame.filename)
+                    lexer_name = self._guess_lexer(frame.filename, code)
+                    syntax = Syntax(
+                        code,
+                        lexer_name,
+                        theme=theme,
+                        line_numbers=True,
+                        line_range=(
+                            frame.lineno - self.extra_lines,
+                            frame.lineno + self.extra_lines,
+                        ),
+                        highlight_lines={frame.lineno},
+                        word_wrap=self.word_wrap,
+                        code_width=88,
+                        indent_guides=self.indent_guides,
+                        dedent=False,
+                    )
+                    yield ""
+                except Exception as error:
+                    yield Text.assemble(
+                        (f"\n{error}", "traceback.error"),
+                    )
+                else:
+                    yield (
+                        Columns(
+                            [
+                                syntax,
+                                *render_locals(frame),
+                            ],
+                            padding=1,
+                        )
+                        if frame.locals
+                        else syntax
+                    )
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from .console import Console
+
+    console = Console()
+    import sys
+
+    def bar(a: Any) -> None:  # 这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑
+        one = 1
+        print(one / a)
+
+    def foo(a: Any) -> None:
+        _rich_traceback_guard = True
+        zed = {
+            "characters": {
+                "Paul Atreides",
+                "Vladimir Harkonnen",
+                "Thufir Hawat",
+                "Duncan Idaho",
+            },
+            "atomic_types": (None, False, True),
+        }
+        bar(a)
+
+    def error() -> None:
+
+        try:
+            try:
+                foo(0)
+            except:
+                slfkjsldkfj  # type: ignore
+        except:
+            console.print_exception(show_locals=True)
+
+    error()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/rich/tree.py b/venv/lib/python3.10/site-packages/pip/_vendor/rich/tree.py
new file mode 100644
index 0000000000000000000000000000000000000000..c5ec27da93223300dd22648d29f53fd79797aae6
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/rich/tree.py
@@ -0,0 +1,249 @@
+from typing import Iterator, List, Optional, Tuple
+
+from ._loop import loop_first, loop_last
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style, StyleStack, StyleType
+from .styled import Styled
+
+
+class Tree(JupyterMixin):
+    """A renderable for a tree structure.
+
+    Args:
+        label (RenderableType): The renderable or str for the tree label.
+        style (StyleType, optional): Style of this tree. Defaults to "tree".
+        guide_style (StyleType, optional): Style of the guide lines. Defaults to "tree.line".
+        expanded (bool, optional): Also display children. Defaults to True.
+        highlight (bool, optional): Highlight renderable (if str). Defaults to False.
+    """
+
+    def __init__(
+        self,
+        label: RenderableType,
+        *,
+        style: StyleType = "tree",
+        guide_style: StyleType = "tree.line",
+        expanded: bool = True,
+        highlight: bool = False,
+        hide_root: bool = False,
+    ) -> None:
+        self.label = label
+        self.style = style
+        self.guide_style = guide_style
+        self.children: List[Tree] = []
+        self.expanded = expanded
+        self.highlight = highlight
+        self.hide_root = hide_root
+
+    def add(
+        self,
+        label: RenderableType,
+        *,
+        style: Optional[StyleType] = None,
+        guide_style: Optional[StyleType] = None,
+        expanded: bool = True,
+        highlight: bool = False,
+    ) -> "Tree":
+        """Add a child tree.
+
+        Args:
+            label (RenderableType): The renderable or str for the tree label.
+            style (StyleType, optional): Style of this tree. Defaults to "tree".
+            guide_style (StyleType, optional): Style of the guide lines. Defaults to "tree.line".
+            expanded (bool, optional): Also display children. Defaults to True.
+            highlight (Optional[bool], optional): Highlight renderable (if str). Defaults to False.
+
+        Returns:
+            Tree: A new child Tree, which may be further modified.
+        """
+        node = Tree(
+            label,
+            style=self.style if style is None else style,
+            guide_style=self.guide_style if guide_style is None else guide_style,
+            expanded=expanded,
+            highlight=self.highlight if highlight is None else highlight,
+        )
+        self.children.append(node)
+        return node
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+
+        stack: List[Iterator[Tuple[bool, Tree]]] = []
+        pop = stack.pop
+        push = stack.append
+        new_line = Segment.line()
+
+        get_style = console.get_style
+        null_style = Style.null()
+        guide_style = get_style(self.guide_style, default="") or null_style
+        SPACE, CONTINUE, FORK, END = range(4)
+
+        ASCII_GUIDES = ("    ", "|   ", "+-- ", "`-- ")
+        TREE_GUIDES = [
+            ("    ", "│   ", "├── ", "└── "),
+            ("    ", "┃   ", "┣━━ ", "┗━━ "),
+            ("    ", "║   ", "╠══ ", "╚══ "),
+        ]
+        _Segment = Segment
+
+        def make_guide(index: int, style: Style) -> Segment:
+            """Make a Segment for a level of the guide lines."""
+            if options.ascii_only:
+                line = ASCII_GUIDES[index]
+            else:
+                guide = 1 if style.bold else (2 if style.underline2 else 0)
+                line = TREE_GUIDES[0 if options.legacy_windows else guide][index]
+            return _Segment(line, style)
+
+        levels: List[Segment] = [make_guide(CONTINUE, guide_style)]
+        push(iter(loop_last([self])))
+
+        guide_style_stack = StyleStack(get_style(self.guide_style))
+        style_stack = StyleStack(get_style(self.style))
+        remove_guide_styles = Style(bold=False, underline2=False)
+
+        depth = 0
+
+        while stack:
+            stack_node = pop()
+            try:
+                last, node = next(stack_node)
+            except StopIteration:
+                levels.pop()
+                if levels:
+                    guide_style = levels[-1].style or null_style
+                    levels[-1] = make_guide(FORK, guide_style)
+                    guide_style_stack.pop()
+                    style_stack.pop()
+                continue
+            push(stack_node)
+            if last:
+                levels[-1] = make_guide(END, levels[-1].style or null_style)
+
+            guide_style = guide_style_stack.current + get_style(node.guide_style)
+            style = style_stack.current + get_style(node.style)
+            prefix = levels[(2 if self.hide_root else 1) :]
+            renderable_lines = console.render_lines(
+                Styled(node.label, style),
+                options.update(
+                    width=options.max_width
+                    - sum(level.cell_length for level in prefix),
+                    highlight=self.highlight,
+                    height=None,
+                ),
+            )
+
+            if not (depth == 0 and self.hide_root):
+                for first, line in loop_first(renderable_lines):
+                    if prefix:
+                        yield from _Segment.apply_style(
+                            prefix,
+                            style.background_style,
+                            post_style=remove_guide_styles,
+                        )
+                    yield from line
+                    yield new_line
+                    if first and prefix:
+                        prefix[-1] = make_guide(
+                            SPACE if last else CONTINUE, prefix[-1].style or null_style
+                        )
+
+            if node.expanded and node.children:
+                levels[-1] = make_guide(
+                    SPACE if last else CONTINUE, levels[-1].style or null_style
+                )
+                levels.append(
+                    make_guide(END if len(node.children) == 1 else FORK, guide_style)
+                )
+                style_stack.push(get_style(node.style))
+                guide_style_stack.push(get_style(node.guide_style))
+                push(iter(loop_last(node.children)))
+                depth += 1
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        stack: List[Iterator[Tree]] = [iter([self])]
+        pop = stack.pop
+        push = stack.append
+        minimum = 0
+        maximum = 0
+        measure = Measurement.get
+        level = 0
+        while stack:
+            iter_tree = pop()
+            try:
+                tree = next(iter_tree)
+            except StopIteration:
+                level -= 1
+                continue
+            push(iter_tree)
+            min_measure, max_measure = measure(console, options, tree.label)
+            indent = level * 4
+            minimum = max(min_measure + indent, minimum)
+            maximum = max(max_measure + indent, maximum)
+            if tree.expanded and tree.children:
+                push(iter(tree.children))
+                level += 1
+        return Measurement(minimum, maximum)
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from pip._vendor.rich.console import Group
+    from pip._vendor.rich.markdown import Markdown
+    from pip._vendor.rich.panel import Panel
+    from pip._vendor.rich.syntax import Syntax
+    from pip._vendor.rich.table import Table
+
+    table = Table(row_styles=["", "dim"])
+
+    table.add_column("Released", style="cyan", no_wrap=True)
+    table.add_column("Title", style="magenta")
+    table.add_column("Box Office", justify="right", style="green")
+
+    table.add_row("Dec 20, 2019", "Star Wars: The Rise of Skywalker", "$952,110,690")
+    table.add_row("May 25, 2018", "Solo: A Star Wars Story", "$393,151,347")
+    table.add_row("Dec 15, 2017", "Star Wars Ep. V111: The Last Jedi", "$1,332,539,889")
+    table.add_row("Dec 16, 2016", "Rogue One: A Star Wars Story", "$1,332,439,889")
+
+    code = """\
+class Segment(NamedTuple):
+    text: str = ""    
+    style: Optional[Style] = None    
+    is_control: bool = False    
+"""
+    syntax = Syntax(code, "python", theme="monokai", line_numbers=True)
+
+    markdown = Markdown(
+        """\
+### example.md
+> Hello, World!
+> 
+> Markdown _all_ the things
+"""
+    )
+
+    root = Tree("🌲 [b green]Rich Tree", highlight=True, hide_root=True)
+
+    node = root.add(":file_folder: Renderables", guide_style="red")
+    simple_node = node.add(":file_folder: [bold yellow]Atomic", guide_style="uu green")
+    simple_node.add(Group("📄 Syntax", syntax))
+    simple_node.add(Group("📄 Markdown", Panel(markdown, border_style="green")))
+
+    containers_node = node.add(
+        ":file_folder: [bold magenta]Containers", guide_style="bold magenta"
+    )
+    containers_node.expanded = True
+    panel = Panel.fit("Just a panel", border_style="red")
+    containers_node.add(Group("📄 Panels", panel))
+
+    containers_node.add(Group("📄 [b magenta]Table", table))
+
+    console = Console()
+    console.print(root)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..086ad46e1d677e2809001cabaa3e9235f664ec68
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/__init__.py
@@ -0,0 +1,517 @@
+# Copyright 2016-2018 Julien Danjou
+# Copyright 2017 Elisey Zanko
+# Copyright 2016 Étienne Bersac
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import functools
+import sys
+import threading
+import time
+import typing as t
+import warnings
+from abc import ABC, abstractmethod
+from concurrent import futures
+from inspect import iscoroutinefunction
+
+# Import all built-in retry strategies for easier usage.
+from .retry import retry_base  # noqa
+from .retry import retry_all  # noqa
+from .retry import retry_always  # noqa
+from .retry import retry_any  # noqa
+from .retry import retry_if_exception  # noqa
+from .retry import retry_if_exception_type  # noqa
+from .retry import retry_if_not_exception_type  # noqa
+from .retry import retry_if_not_result  # noqa
+from .retry import retry_if_result  # noqa
+from .retry import retry_never  # noqa
+from .retry import retry_unless_exception_type  # noqa
+from .retry import retry_if_exception_message  # noqa
+from .retry import retry_if_not_exception_message  # noqa
+
+# Import all nap strategies for easier usage.
+from .nap import sleep  # noqa
+from .nap import sleep_using_event  # noqa
+
+# Import all built-in stop strategies for easier usage.
+from .stop import stop_after_attempt  # noqa
+from .stop import stop_after_delay  # noqa
+from .stop import stop_all  # noqa
+from .stop import stop_any  # noqa
+from .stop import stop_never  # noqa
+from .stop import stop_when_event_set  # noqa
+
+# Import all built-in wait strategies for easier usage.
+from .wait import wait_chain  # noqa
+from .wait import wait_combine  # noqa
+from .wait import wait_exponential  # noqa
+from .wait import wait_fixed  # noqa
+from .wait import wait_incrementing  # noqa
+from .wait import wait_none  # noqa
+from .wait import wait_random  # noqa
+from .wait import wait_random_exponential  # noqa
+from .wait import wait_random_exponential as wait_full_jitter  # noqa
+
+# Import all built-in before strategies for easier usage.
+from .before import before_log  # noqa
+from .before import before_nothing  # noqa
+
+# Import all built-in after strategies for easier usage.
+from .after import after_log  # noqa
+from .after import after_nothing  # noqa
+
+# Import all built-in after strategies for easier usage.
+from .before_sleep import before_sleep_log  # noqa
+from .before_sleep import before_sleep_nothing  # noqa
+
+# Replace a conditional import with a hard-coded None so that pip does
+# not attempt to use tornado even if it is present in the environment.
+# If tornado is non-None, tenacity will attempt to execute some code
+# that is sensitive to the version of tornado, which could break pip
+# if an old version is found.
+tornado = None  # type: ignore
+
+if t.TYPE_CHECKING:
+    import types
+
+    from .wait import wait_base
+    from .stop import stop_base
+
+
+WrappedFn = t.TypeVar("WrappedFn", bound=t.Callable)
+_RetValT = t.TypeVar("_RetValT")
+
+
+@t.overload
+def retry(fn: WrappedFn) -> WrappedFn:
+    pass
+
+
+@t.overload
+def retry(*dargs: t.Any, **dkw: t.Any) -> t.Callable[[WrappedFn], WrappedFn]:  # noqa
+    pass
+
+
+def retry(*dargs: t.Any, **dkw: t.Any) -> t.Union[WrappedFn, t.Callable[[WrappedFn], WrappedFn]]:  # noqa
+    """Wrap a function with a new `Retrying` object.
+
+    :param dargs: positional arguments passed to Retrying object
+    :param dkw: keyword arguments passed to the Retrying object
+    """
+    # support both @retry and @retry() as valid syntax
+    if len(dargs) == 1 and callable(dargs[0]):
+        return retry()(dargs[0])
+    else:
+
+        def wrap(f: WrappedFn) -> WrappedFn:
+            if isinstance(f, retry_base):
+                warnings.warn(
+                    f"Got retry_base instance ({f.__class__.__name__}) as callable argument, "
+                    f"this will probably hang indefinitely (did you mean retry={f.__class__.__name__}(...)?)"
+                )
+            if iscoroutinefunction(f):
+                r: "BaseRetrying" = AsyncRetrying(*dargs, **dkw)
+            elif tornado and hasattr(tornado.gen, "is_coroutine_function") and tornado.gen.is_coroutine_function(f):
+                r = TornadoRetrying(*dargs, **dkw)
+            else:
+                r = Retrying(*dargs, **dkw)
+
+            return r.wraps(f)
+
+        return wrap
+
+
+class TryAgain(Exception):
+    """Always retry the executed function when raised."""
+
+
+NO_RESULT = object()
+
+
+class DoAttempt:
+    pass
+
+
+class DoSleep(float):
+    pass
+
+
+class BaseAction:
+    """Base class for representing actions to take by retry object.
+
+    Concrete implementations must define:
+    - __init__: to initialize all necessary fields
+    - REPR_FIELDS: class variable specifying attributes to include in repr(self)
+    - NAME: for identification in retry object methods and callbacks
+    """
+
+    REPR_FIELDS: t.Sequence[str] = ()
+    NAME: t.Optional[str] = None
+
+    def __repr__(self) -> str:
+        state_str = ", ".join(f"{field}={getattr(self, field)!r}" for field in self.REPR_FIELDS)
+        return f"{self.__class__.__name__}({state_str})"
+
+    def __str__(self) -> str:
+        return repr(self)
+
+
+class RetryAction(BaseAction):
+    REPR_FIELDS = ("sleep",)
+    NAME = "retry"
+
+    def __init__(self, sleep: t.SupportsFloat) -> None:
+        self.sleep = float(sleep)
+
+
+_unset = object()
+
+
+def _first_set(first: t.Union[t.Any, object], second: t.Any) -> t.Any:
+    return second if first is _unset else first
+
+
+class RetryError(Exception):
+    """Encapsulates the last attempt instance right before giving up."""
+
+    def __init__(self, last_attempt: "Future") -> None:
+        self.last_attempt = last_attempt
+        super().__init__(last_attempt)
+
+    def reraise(self) -> "t.NoReturn":
+        if self.last_attempt.failed:
+            raise self.last_attempt.result()
+        raise self
+
+    def __str__(self) -> str:
+        return f"{self.__class__.__name__}[{self.last_attempt}]"
+
+
+class AttemptManager:
+    """Manage attempt context."""
+
+    def __init__(self, retry_state: "RetryCallState"):
+        self.retry_state = retry_state
+
+    def __enter__(self) -> None:
+        pass
+
+    def __exit__(
+        self,
+        exc_type: t.Optional[t.Type[BaseException]],
+        exc_value: t.Optional[BaseException],
+        traceback: t.Optional["types.TracebackType"],
+    ) -> t.Optional[bool]:
+        if isinstance(exc_value, BaseException):
+            self.retry_state.set_exception((exc_type, exc_value, traceback))
+            return True  # Swallow exception.
+        else:
+            # We don't have the result, actually.
+            self.retry_state.set_result(None)
+            return None
+
+
+class BaseRetrying(ABC):
+    def __init__(
+        self,
+        sleep: t.Callable[[t.Union[int, float]], None] = sleep,
+        stop: "stop_base" = stop_never,
+        wait: "wait_base" = wait_none(),
+        retry: retry_base = retry_if_exception_type(),
+        before: t.Callable[["RetryCallState"], None] = before_nothing,
+        after: t.Callable[["RetryCallState"], None] = after_nothing,
+        before_sleep: t.Optional[t.Callable[["RetryCallState"], None]] = None,
+        reraise: bool = False,
+        retry_error_cls: t.Type[RetryError] = RetryError,
+        retry_error_callback: t.Optional[t.Callable[["RetryCallState"], t.Any]] = None,
+    ):
+        self.sleep = sleep
+        self.stop = stop
+        self.wait = wait
+        self.retry = retry
+        self.before = before
+        self.after = after
+        self.before_sleep = before_sleep
+        self.reraise = reraise
+        self._local = threading.local()
+        self.retry_error_cls = retry_error_cls
+        self.retry_error_callback = retry_error_callback
+
+    def copy(
+        self,
+        sleep: t.Union[t.Callable[[t.Union[int, float]], None], object] = _unset,
+        stop: t.Union["stop_base", object] = _unset,
+        wait: t.Union["wait_base", object] = _unset,
+        retry: t.Union[retry_base, object] = _unset,
+        before: t.Union[t.Callable[["RetryCallState"], None], object] = _unset,
+        after: t.Union[t.Callable[["RetryCallState"], None], object] = _unset,
+        before_sleep: t.Union[t.Optional[t.Callable[["RetryCallState"], None]], object] = _unset,
+        reraise: t.Union[bool, object] = _unset,
+        retry_error_cls: t.Union[t.Type[RetryError], object] = _unset,
+        retry_error_callback: t.Union[t.Optional[t.Callable[["RetryCallState"], t.Any]], object] = _unset,
+    ) -> "BaseRetrying":
+        """Copy this object with some parameters changed if needed."""
+        return self.__class__(
+            sleep=_first_set(sleep, self.sleep),
+            stop=_first_set(stop, self.stop),
+            wait=_first_set(wait, self.wait),
+            retry=_first_set(retry, self.retry),
+            before=_first_set(before, self.before),
+            after=_first_set(after, self.after),
+            before_sleep=_first_set(before_sleep, self.before_sleep),
+            reraise=_first_set(reraise, self.reraise),
+            retry_error_cls=_first_set(retry_error_cls, self.retry_error_cls),
+            retry_error_callback=_first_set(retry_error_callback, self.retry_error_callback),
+        )
+
+    def __repr__(self) -> str:
+        return (
+            f"<{self.__class__.__name__} object at 0x{id(self):x} ("
+            f"stop={self.stop}, "
+            f"wait={self.wait}, "
+            f"sleep={self.sleep}, "
+            f"retry={self.retry}, "
+            f"before={self.before}, "
+            f"after={self.after})>"
+        )
+
+    @property
+    def statistics(self) -> t.Dict[str, t.Any]:
+        """Return a dictionary of runtime statistics.
+
+        This dictionary will be empty when the controller has never been
+        ran. When it is running or has ran previously it should have (but
+        may not) have useful and/or informational keys and values when
+        running is underway and/or completed.
+
+        .. warning:: The keys in this dictionary **should** be some what
+                     stable (not changing), but there existence **may**
+                     change between major releases as new statistics are
+                     gathered or removed so before accessing keys ensure that
+                     they actually exist and handle when they do not.
+
+        .. note:: The values in this dictionary are local to the thread
+                  running call (so if multiple threads share the same retrying
+                  object - either directly or indirectly) they will each have
+                  there own view of statistics they have collected (in the
+                  future we may provide a way to aggregate the various
+                  statistics from each thread).
+        """
+        try:
+            return self._local.statistics
+        except AttributeError:
+            self._local.statistics = {}
+            return self._local.statistics
+
+    def wraps(self, f: WrappedFn) -> WrappedFn:
+        """Wrap a function for retrying.
+
+        :param f: A function to wraps for retrying.
+        """
+
+        @functools.wraps(f)
+        def wrapped_f(*args: t.Any, **kw: t.Any) -> t.Any:
+            return self(f, *args, **kw)
+
+        def retry_with(*args: t.Any, **kwargs: t.Any) -> WrappedFn:
+            return self.copy(*args, **kwargs).wraps(f)
+
+        wrapped_f.retry = self
+        wrapped_f.retry_with = retry_with
+
+        return wrapped_f
+
+    def begin(self) -> None:
+        self.statistics.clear()
+        self.statistics["start_time"] = time.monotonic()
+        self.statistics["attempt_number"] = 1
+        self.statistics["idle_for"] = 0
+
+    def iter(self, retry_state: "RetryCallState") -> t.Union[DoAttempt, DoSleep, t.Any]:  # noqa
+        fut = retry_state.outcome
+        if fut is None:
+            if self.before is not None:
+                self.before(retry_state)
+            return DoAttempt()
+
+        is_explicit_retry = retry_state.outcome.failed and isinstance(retry_state.outcome.exception(), TryAgain)
+        if not (is_explicit_retry or self.retry(retry_state=retry_state)):
+            return fut.result()
+
+        if self.after is not None:
+            self.after(retry_state)
+
+        self.statistics["delay_since_first_attempt"] = retry_state.seconds_since_start
+        if self.stop(retry_state=retry_state):
+            if self.retry_error_callback:
+                return self.retry_error_callback(retry_state)
+            retry_exc = self.retry_error_cls(fut)
+            if self.reraise:
+                raise retry_exc.reraise()
+            raise retry_exc from fut.exception()
+
+        if self.wait:
+            sleep = self.wait(retry_state=retry_state)
+        else:
+            sleep = 0.0
+        retry_state.next_action = RetryAction(sleep)
+        retry_state.idle_for += sleep
+        self.statistics["idle_for"] += sleep
+        self.statistics["attempt_number"] += 1
+
+        if self.before_sleep is not None:
+            self.before_sleep(retry_state)
+
+        return DoSleep(sleep)
+
+    def __iter__(self) -> t.Generator[AttemptManager, None, None]:
+        self.begin()
+
+        retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                yield AttemptManager(retry_state=retry_state)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                self.sleep(do)
+            else:
+                break
+
+    @abstractmethod
+    def __call__(self, fn: t.Callable[..., _RetValT], *args: t.Any, **kwargs: t.Any) -> _RetValT:
+        pass
+
+
+class Retrying(BaseRetrying):
+    """Retrying controller."""
+
+    def __call__(self, fn: t.Callable[..., _RetValT], *args: t.Any, **kwargs: t.Any) -> _RetValT:
+        self.begin()
+
+        retry_state = RetryCallState(retry_object=self, fn=fn, args=args, kwargs=kwargs)
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                try:
+                    result = fn(*args, **kwargs)
+                except BaseException:  # noqa: B902
+                    retry_state.set_exception(sys.exc_info())
+                else:
+                    retry_state.set_result(result)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                self.sleep(do)
+            else:
+                return do
+
+
+class Future(futures.Future):
+    """Encapsulates a (future or past) attempted call to a target function."""
+
+    def __init__(self, attempt_number: int) -> None:
+        super().__init__()
+        self.attempt_number = attempt_number
+
+    @property
+    def failed(self) -> bool:
+        """Return whether a exception is being held in this future."""
+        return self.exception() is not None
+
+    @classmethod
+    def construct(cls, attempt_number: int, value: t.Any, has_exception: bool) -> "Future":
+        """Construct a new Future object."""
+        fut = cls(attempt_number)
+        if has_exception:
+            fut.set_exception(value)
+        else:
+            fut.set_result(value)
+        return fut
+
+
+class RetryCallState:
+    """State related to a single call wrapped with Retrying."""
+
+    def __init__(
+        self,
+        retry_object: BaseRetrying,
+        fn: t.Optional[WrappedFn],
+        args: t.Any,
+        kwargs: t.Any,
+    ) -> None:
+        #: Retry call start timestamp
+        self.start_time = time.monotonic()
+        #: Retry manager object
+        self.retry_object = retry_object
+        #: Function wrapped by this retry call
+        self.fn = fn
+        #: Arguments of the function wrapped by this retry call
+        self.args = args
+        #: Keyword arguments of the function wrapped by this retry call
+        self.kwargs = kwargs
+
+        #: The number of the current attempt
+        self.attempt_number: int = 1
+        #: Last outcome (result or exception) produced by the function
+        self.outcome: t.Optional[Future] = None
+        #: Timestamp of the last outcome
+        self.outcome_timestamp: t.Optional[float] = None
+        #: Time spent sleeping in retries
+        self.idle_for: float = 0.0
+        #: Next action as decided by the retry manager
+        self.next_action: t.Optional[RetryAction] = None
+
+    @property
+    def seconds_since_start(self) -> t.Optional[float]:
+        if self.outcome_timestamp is None:
+            return None
+        return self.outcome_timestamp - self.start_time
+
+    def prepare_for_next_attempt(self) -> None:
+        self.outcome = None
+        self.outcome_timestamp = None
+        self.attempt_number += 1
+        self.next_action = None
+
+    def set_result(self, val: t.Any) -> None:
+        ts = time.monotonic()
+        fut = Future(self.attempt_number)
+        fut.set_result(val)
+        self.outcome, self.outcome_timestamp = fut, ts
+
+    def set_exception(self, exc_info: t.Tuple[t.Type[BaseException], BaseException, "types.TracebackType"]) -> None:
+        ts = time.monotonic()
+        fut = Future(self.attempt_number)
+        fut.set_exception(exc_info[1])
+        self.outcome, self.outcome_timestamp = fut, ts
+
+    def __repr__(self):
+        if self.outcome is None:
+            result = "none yet"
+        elif self.outcome.failed:
+            exception = self.outcome.exception()
+            result = f"failed ({exception.__class__.__name__} {exception})"
+        else:
+            result = f"returned {self.outcome.result()}"
+
+        slept = float(round(self.idle_for, 2))
+        clsname = self.__class__.__name__
+        return f"<{clsname} {id(self)}: attempt #{self.attempt_number}; slept for {slept}; last result: {result}>"
+
+
+from pip._vendor.tenacity._asyncio import AsyncRetrying  # noqa:E402,I100
+
+if tornado:
+    from pip._vendor.tenacity.tornadoweb import TornadoRetrying
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--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/_asyncio.py
@@ -0,0 +1,92 @@
+# Copyright 2016 Étienne Bersac
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import functools
+import sys
+import typing
+from asyncio import sleep
+
+from pip._vendor.tenacity import AttemptManager
+from pip._vendor.tenacity import BaseRetrying
+from pip._vendor.tenacity import DoAttempt
+from pip._vendor.tenacity import DoSleep
+from pip._vendor.tenacity import RetryCallState
+
+WrappedFn = typing.TypeVar("WrappedFn", bound=typing.Callable)
+_RetValT = typing.TypeVar("_RetValT")
+
+
+class AsyncRetrying(BaseRetrying):
+    def __init__(self, sleep: typing.Callable[[float], typing.Awaitable] = sleep, **kwargs: typing.Any) -> None:
+        super().__init__(**kwargs)
+        self.sleep = sleep
+
+    async def __call__(  # type: ignore  # Change signature from supertype
+        self,
+        fn: typing.Callable[..., typing.Awaitable[_RetValT]],
+        *args: typing.Any,
+        **kwargs: typing.Any,
+    ) -> _RetValT:
+        self.begin()
+
+        retry_state = RetryCallState(retry_object=self, fn=fn, args=args, kwargs=kwargs)
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                try:
+                    result = await fn(*args, **kwargs)
+                except BaseException:  # noqa: B902
+                    retry_state.set_exception(sys.exc_info())
+                else:
+                    retry_state.set_result(result)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                await self.sleep(do)
+            else:
+                return do
+
+    def __aiter__(self) -> "AsyncRetrying":
+        self.begin()
+        self._retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
+        return self
+
+    async def __anext__(self) -> typing.Union[AttemptManager, typing.Any]:
+        while True:
+            do = self.iter(retry_state=self._retry_state)
+            if do is None:
+                raise StopAsyncIteration
+            elif isinstance(do, DoAttempt):
+                return AttemptManager(retry_state=self._retry_state)
+            elif isinstance(do, DoSleep):
+                self._retry_state.prepare_for_next_attempt()
+                await self.sleep(do)
+            else:
+                return do
+
+    def wraps(self, fn: WrappedFn) -> WrappedFn:
+        fn = super().wraps(fn)
+        # Ensure wrapper is recognized as a coroutine function.
+
+        @functools.wraps(fn)
+        async def async_wrapped(*args: typing.Any, **kwargs: typing.Any) -> typing.Any:
+            return await fn(*args, **kwargs)
+
+        # Preserve attributes
+        async_wrapped.retry = fn.retry
+        async_wrapped.retry_with = fn.retry_with
+
+        return async_wrapped
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/_utils.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/_utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..d5c4c9de591a80779ddda1e3e82d4745d7dbab4f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/_utils.py
@@ -0,0 +1,68 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+import typing
+
+
+# sys.maxsize:
+# An integer giving the maximum value a variable of type Py_ssize_t can take.
+MAX_WAIT = sys.maxsize / 2
+
+
+def find_ordinal(pos_num: int) -> str:
+    # See: https://en.wikipedia.org/wiki/English_numerals#Ordinal_numbers
+    if pos_num == 0:
+        return "th"
+    elif pos_num == 1:
+        return "st"
+    elif pos_num == 2:
+        return "nd"
+    elif pos_num == 3:
+        return "rd"
+    elif 4 <= pos_num <= 20:
+        return "th"
+    else:
+        return find_ordinal(pos_num % 10)
+
+
+def to_ordinal(pos_num: int) -> str:
+    return f"{pos_num}{find_ordinal(pos_num)}"
+
+
+def get_callback_name(cb: typing.Callable[..., typing.Any]) -> str:
+    """Get a callback fully-qualified name.
+
+    If no name can be produced ``repr(cb)`` is called and returned.
+    """
+    segments = []
+    try:
+        segments.append(cb.__qualname__)
+    except AttributeError:
+        try:
+            segments.append(cb.__name__)
+        except AttributeError:
+            pass
+    if not segments:
+        return repr(cb)
+    else:
+        try:
+            # When running under sphinx it appears this can be none?
+            if cb.__module__:
+                segments.insert(0, cb.__module__)
+        except AttributeError:
+            pass
+        return ".".join(segments)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/after.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/after.py
new file mode 100644
index 0000000000000000000000000000000000000000..c056700f9fa353f25ef0d41da6e0158e3a3a4c8f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/after.py
@@ -0,0 +1,46 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    import logging
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+def after_nothing(retry_state: "RetryCallState") -> None:
+    """After call strategy that does nothing."""
+
+
+def after_log(
+    logger: "logging.Logger",
+    log_level: int,
+    sec_format: str = "%0.3f",
+) -> typing.Callable[["RetryCallState"], None]:
+    """After call strategy that logs to some logger the finished attempt."""
+
+    def log_it(retry_state: "RetryCallState") -> None:
+        logger.log(
+            log_level,
+            f"Finished call to '{_utils.get_callback_name(retry_state.fn)}' "
+            f"after {sec_format % retry_state.seconds_since_start}(s), "
+            f"this was the {_utils.to_ordinal(retry_state.attempt_number)} time calling it.",
+        )
+
+    return log_it
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/before.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/before.py
new file mode 100644
index 0000000000000000000000000000000000000000..a72c2c5f70eafdf0229332ccf3c1284b2955ea56
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/before.py
@@ -0,0 +1,41 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    import logging
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+def before_nothing(retry_state: "RetryCallState") -> None:
+    """Before call strategy that does nothing."""
+
+
+def before_log(logger: "logging.Logger", log_level: int) -> typing.Callable[["RetryCallState"], None]:
+    """Before call strategy that logs to some logger the attempt."""
+
+    def log_it(retry_state: "RetryCallState") -> None:
+        logger.log(
+            log_level,
+            f"Starting call to '{_utils.get_callback_name(retry_state.fn)}', "
+            f"this is the {_utils.to_ordinal(retry_state.attempt_number)} time calling it.",
+        )
+
+    return log_it
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/before_sleep.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/before_sleep.py
new file mode 100644
index 0000000000000000000000000000000000000000..b35564fbad87abd4ac1b2c20082c4716d853009d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/before_sleep.py
@@ -0,0 +1,58 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    import logging
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+def before_sleep_nothing(retry_state: "RetryCallState") -> None:
+    """Before call strategy that does nothing."""
+
+
+def before_sleep_log(
+    logger: "logging.Logger",
+    log_level: int,
+    exc_info: bool = False,
+) -> typing.Callable[["RetryCallState"], None]:
+    """Before call strategy that logs to some logger the attempt."""
+
+    def log_it(retry_state: "RetryCallState") -> None:
+        if retry_state.outcome.failed:
+            ex = retry_state.outcome.exception()
+            verb, value = "raised", f"{ex.__class__.__name__}: {ex}"
+
+            if exc_info:
+                local_exc_info = retry_state.outcome.exception()
+            else:
+                local_exc_info = False
+        else:
+            verb, value = "returned", retry_state.outcome.result()
+            local_exc_info = False  # exc_info does not apply when no exception
+
+        logger.log(
+            log_level,
+            f"Retrying {_utils.get_callback_name(retry_state.fn)} "
+            f"in {retry_state.next_action.sleep} seconds as it {verb} {value}.",
+            exc_info=local_exc_info,
+        )
+
+    return log_it
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/nap.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/nap.py
new file mode 100644
index 0000000000000000000000000000000000000000..72aa5bfd4b60d8e6ef6ed0cf2ae4f763d12195cc
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/nap.py
@@ -0,0 +1,43 @@
+# Copyright 2016 Étienne Bersac
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import time
+import typing
+
+if typing.TYPE_CHECKING:
+    import threading
+
+
+def sleep(seconds: float) -> None:
+    """
+    Sleep strategy that delays execution for a given number of seconds.
+
+    This is the default strategy, and may be mocked out for unit testing.
+    """
+    time.sleep(seconds)
+
+
+class sleep_using_event:
+    """Sleep strategy that waits on an event to be set."""
+
+    def __init__(self, event: "threading.Event") -> None:
+        self.event = event
+
+    def __call__(self, timeout: typing.Optional[float]) -> None:
+        # NOTE(harlowja): this may *not* actually wait for timeout
+        # seconds if the event is set (ie this may eject out early).
+        self.event.wait(timeout=timeout)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/retry.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/retry.py
new file mode 100644
index 0000000000000000000000000000000000000000..1d727e9b3461b308dbb627c1b0fbecf8d9538e29
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/retry.py
@@ -0,0 +1,213 @@
+# Copyright 2016–2021 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import abc
+import re
+import typing
+
+if typing.TYPE_CHECKING:
+    from pip._vendor.tenacity import RetryCallState
+
+
+class retry_base(abc.ABC):
+    """Abstract base class for retry strategies."""
+
+    @abc.abstractmethod
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        pass
+
+    def __and__(self, other: "retry_base") -> "retry_all":
+        return retry_all(self, other)
+
+    def __or__(self, other: "retry_base") -> "retry_any":
+        return retry_any(self, other)
+
+
+class _retry_never(retry_base):
+    """Retry strategy that never rejects any result."""
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return False
+
+
+retry_never = _retry_never()
+
+
+class _retry_always(retry_base):
+    """Retry strategy that always rejects any result."""
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return True
+
+
+retry_always = _retry_always()
+
+
+class retry_if_exception(retry_base):
+    """Retry strategy that retries if an exception verifies a predicate."""
+
+    def __init__(self, predicate: typing.Callable[[BaseException], bool]) -> None:
+        self.predicate = predicate
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.outcome.failed:
+            return self.predicate(retry_state.outcome.exception())
+        else:
+            return False
+
+
+class retry_if_exception_type(retry_if_exception):
+    """Retries if an exception has been raised of one or more types."""
+
+    def __init__(
+        self,
+        exception_types: typing.Union[
+            typing.Type[BaseException],
+            typing.Tuple[typing.Type[BaseException], ...],
+        ] = Exception,
+    ) -> None:
+        self.exception_types = exception_types
+        super().__init__(lambda e: isinstance(e, exception_types))
+
+
+class retry_if_not_exception_type(retry_if_exception):
+    """Retries except an exception has been raised of one or more types."""
+
+    def __init__(
+        self,
+        exception_types: typing.Union[
+            typing.Type[BaseException],
+            typing.Tuple[typing.Type[BaseException], ...],
+        ] = Exception,
+    ) -> None:
+        self.exception_types = exception_types
+        super().__init__(lambda e: not isinstance(e, exception_types))
+
+
+class retry_unless_exception_type(retry_if_exception):
+    """Retries until an exception is raised of one or more types."""
+
+    def __init__(
+        self,
+        exception_types: typing.Union[
+            typing.Type[BaseException],
+            typing.Tuple[typing.Type[BaseException], ...],
+        ] = Exception,
+    ) -> None:
+        self.exception_types = exception_types
+        super().__init__(lambda e: not isinstance(e, exception_types))
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        # always retry if no exception was raised
+        if not retry_state.outcome.failed:
+            return True
+        return self.predicate(retry_state.outcome.exception())
+
+
+class retry_if_result(retry_base):
+    """Retries if the result verifies a predicate."""
+
+    def __init__(self, predicate: typing.Callable[[typing.Any], bool]) -> None:
+        self.predicate = predicate
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if not retry_state.outcome.failed:
+            return self.predicate(retry_state.outcome.result())
+        else:
+            return False
+
+
+class retry_if_not_result(retry_base):
+    """Retries if the result refutes a predicate."""
+
+    def __init__(self, predicate: typing.Callable[[typing.Any], bool]) -> None:
+        self.predicate = predicate
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if not retry_state.outcome.failed:
+            return not self.predicate(retry_state.outcome.result())
+        else:
+            return False
+
+
+class retry_if_exception_message(retry_if_exception):
+    """Retries if an exception message equals or matches."""
+
+    def __init__(
+        self,
+        message: typing.Optional[str] = None,
+        match: typing.Optional[str] = None,
+    ) -> None:
+        if message and match:
+            raise TypeError(f"{self.__class__.__name__}() takes either 'message' or 'match', not both")
+
+        # set predicate
+        if message:
+
+            def message_fnc(exception: BaseException) -> bool:
+                return message == str(exception)
+
+            predicate = message_fnc
+        elif match:
+            prog = re.compile(match)
+
+            def match_fnc(exception: BaseException) -> bool:
+                return bool(prog.match(str(exception)))
+
+            predicate = match_fnc
+        else:
+            raise TypeError(f"{self.__class__.__name__}() missing 1 required argument 'message' or 'match'")
+
+        super().__init__(predicate)
+
+
+class retry_if_not_exception_message(retry_if_exception_message):
+    """Retries until an exception message equals or matches."""
+
+    def __init__(
+        self,
+        message: typing.Optional[str] = None,
+        match: typing.Optional[str] = None,
+    ) -> None:
+        super().__init__(message, match)
+        # invert predicate
+        if_predicate = self.predicate
+        self.predicate = lambda *args_, **kwargs_: not if_predicate(*args_, **kwargs_)
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if not retry_state.outcome.failed:
+            return True
+        return self.predicate(retry_state.outcome.exception())
+
+
+class retry_any(retry_base):
+    """Retries if any of the retries condition is valid."""
+
+    def __init__(self, *retries: retry_base) -> None:
+        self.retries = retries
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return any(r(retry_state) for r in self.retries)
+
+
+class retry_all(retry_base):
+    """Retries if all the retries condition are valid."""
+
+    def __init__(self, *retries: retry_base) -> None:
+        self.retries = retries
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return all(r(retry_state) for r in self.retries)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/stop.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/stop.py
new file mode 100644
index 0000000000000000000000000000000000000000..faaae9a8ddba9a7bc25302fa08ffb88e86628006
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/stop.py
@@ -0,0 +1,96 @@
+# Copyright 2016–2021 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import abc
+import typing
+
+if typing.TYPE_CHECKING:
+    import threading
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+class stop_base(abc.ABC):
+    """Abstract base class for stop strategies."""
+
+    @abc.abstractmethod
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        pass
+
+    def __and__(self, other: "stop_base") -> "stop_all":
+        return stop_all(self, other)
+
+    def __or__(self, other: "stop_base") -> "stop_any":
+        return stop_any(self, other)
+
+
+class stop_any(stop_base):
+    """Stop if any of the stop condition is valid."""
+
+    def __init__(self, *stops: stop_base) -> None:
+        self.stops = stops
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return any(x(retry_state) for x in self.stops)
+
+
+class stop_all(stop_base):
+    """Stop if all the stop conditions are valid."""
+
+    def __init__(self, *stops: stop_base) -> None:
+        self.stops = stops
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return all(x(retry_state) for x in self.stops)
+
+
+class _stop_never(stop_base):
+    """Never stop."""
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return False
+
+
+stop_never = _stop_never()
+
+
+class stop_when_event_set(stop_base):
+    """Stop when the given event is set."""
+
+    def __init__(self, event: "threading.Event") -> None:
+        self.event = event
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return self.event.is_set()
+
+
+class stop_after_attempt(stop_base):
+    """Stop when the previous attempt >= max_attempt."""
+
+    def __init__(self, max_attempt_number: int) -> None:
+        self.max_attempt_number = max_attempt_number
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return retry_state.attempt_number >= self.max_attempt_number
+
+
+class stop_after_delay(stop_base):
+    """Stop when the time from the first attempt >= limit."""
+
+    def __init__(self, max_delay: float) -> None:
+        self.max_delay = max_delay
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return retry_state.seconds_since_start >= self.max_delay
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/tornadoweb.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/tornadoweb.py
new file mode 100644
index 0000000000000000000000000000000000000000..8f7731af0e62a985dbe4c77771a80525848e793c
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/tornadoweb.py
@@ -0,0 +1,59 @@
+# Copyright 2017 Elisey Zanko
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+import typing
+
+from pip._vendor.tenacity import BaseRetrying
+from pip._vendor.tenacity import DoAttempt
+from pip._vendor.tenacity import DoSleep
+from pip._vendor.tenacity import RetryCallState
+
+from tornado import gen
+
+if typing.TYPE_CHECKING:
+    from tornado.concurrent import Future
+
+_RetValT = typing.TypeVar("_RetValT")
+
+
+class TornadoRetrying(BaseRetrying):
+    def __init__(self, sleep: "typing.Callable[[float], Future[None]]" = gen.sleep, **kwargs: typing.Any) -> None:
+        super().__init__(**kwargs)
+        self.sleep = sleep
+
+    @gen.coroutine
+    def __call__(  # type: ignore  # Change signature from supertype
+        self,
+        fn: "typing.Callable[..., typing.Union[typing.Generator[typing.Any, typing.Any, _RetValT], Future[_RetValT]]]",
+        *args: typing.Any,
+        **kwargs: typing.Any,
+    ) -> "typing.Generator[typing.Any, typing.Any, _RetValT]":
+        self.begin()
+
+        retry_state = RetryCallState(retry_object=self, fn=fn, args=args, kwargs=kwargs)
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                try:
+                    result = yield fn(*args, **kwargs)
+                except BaseException:  # noqa: B902
+                    retry_state.set_exception(sys.exc_info())
+                else:
+                    retry_state.set_result(result)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                yield self.sleep(do)
+            else:
+                raise gen.Return(do)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/wait.py b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/wait.py
new file mode 100644
index 0000000000000000000000000000000000000000..6ed97a7bcdc0d0d0e13f5e9a5a38996a24a3b642
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tenacity/wait.py
@@ -0,0 +1,191 @@
+# Copyright 2016–2021 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import abc
+import random
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    from pip._vendor.tenacity import RetryCallState
+
+
+class wait_base(abc.ABC):
+    """Abstract base class for wait strategies."""
+
+    @abc.abstractmethod
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        pass
+
+    def __add__(self, other: "wait_base") -> "wait_combine":
+        return wait_combine(self, other)
+
+    def __radd__(self, other: "wait_base") -> typing.Union["wait_combine", "wait_base"]:
+        # make it possible to use multiple waits with the built-in sum function
+        if other == 0:
+            return self
+        return self.__add__(other)
+
+
+class wait_fixed(wait_base):
+    """Wait strategy that waits a fixed amount of time between each retry."""
+
+    def __init__(self, wait: float) -> None:
+        self.wait_fixed = wait
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        return self.wait_fixed
+
+
+class wait_none(wait_fixed):
+    """Wait strategy that doesn't wait at all before retrying."""
+
+    def __init__(self) -> None:
+        super().__init__(0)
+
+
+class wait_random(wait_base):
+    """Wait strategy that waits a random amount of time between min/max."""
+
+    def __init__(self, min: typing.Union[int, float] = 0, max: typing.Union[int, float] = 1) -> None:  # noqa
+        self.wait_random_min = min
+        self.wait_random_max = max
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        return self.wait_random_min + (random.random() * (self.wait_random_max - self.wait_random_min))
+
+
+class wait_combine(wait_base):
+    """Combine several waiting strategies."""
+
+    def __init__(self, *strategies: wait_base) -> None:
+        self.wait_funcs = strategies
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        return sum(x(retry_state=retry_state) for x in self.wait_funcs)
+
+
+class wait_chain(wait_base):
+    """Chain two or more waiting strategies.
+
+    If all strategies are exhausted, the very last strategy is used
+    thereafter.
+
+    For example::
+
+        @retry(wait=wait_chain(*[wait_fixed(1) for i in range(3)] +
+                               [wait_fixed(2) for j in range(5)] +
+                               [wait_fixed(5) for k in range(4)))
+        def wait_chained():
+            print("Wait 1s for 3 attempts, 2s for 5 attempts and 5s
+                   thereafter.")
+    """
+
+    def __init__(self, *strategies: wait_base) -> None:
+        self.strategies = strategies
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        wait_func_no = min(max(retry_state.attempt_number, 1), len(self.strategies))
+        wait_func = self.strategies[wait_func_no - 1]
+        return wait_func(retry_state=retry_state)
+
+
+class wait_incrementing(wait_base):
+    """Wait an incremental amount of time after each attempt.
+
+    Starting at a starting value and incrementing by a value for each attempt
+    (and restricting the upper limit to some maximum value).
+    """
+
+    def __init__(
+        self,
+        start: typing.Union[int, float] = 0,
+        increment: typing.Union[int, float] = 100,
+        max: typing.Union[int, float] = _utils.MAX_WAIT,  # noqa
+    ) -> None:
+        self.start = start
+        self.increment = increment
+        self.max = max
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        result = self.start + (self.increment * (retry_state.attempt_number - 1))
+        return max(0, min(result, self.max))
+
+
+class wait_exponential(wait_base):
+    """Wait strategy that applies exponential backoff.
+
+    It allows for a customized multiplier and an ability to restrict the
+    upper and lower limits to some maximum and minimum value.
+
+    The intervals are fixed (i.e. there is no jitter), so this strategy is
+    suitable for balancing retries against latency when a required resource is
+    unavailable for an unknown duration, but *not* suitable for resolving
+    contention between multiple processes for a shared resource. Use
+    wait_random_exponential for the latter case.
+    """
+
+    def __init__(
+        self,
+        multiplier: typing.Union[int, float] = 1,
+        max: typing.Union[int, float] = _utils.MAX_WAIT,  # noqa
+        exp_base: typing.Union[int, float] = 2,
+        min: typing.Union[int, float] = 0,  # noqa
+    ) -> None:
+        self.multiplier = multiplier
+        self.min = min
+        self.max = max
+        self.exp_base = exp_base
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        try:
+            exp = self.exp_base ** (retry_state.attempt_number - 1)
+            result = self.multiplier * exp
+        except OverflowError:
+            return self.max
+        return max(max(0, self.min), min(result, self.max))
+
+
+class wait_random_exponential(wait_exponential):
+    """Random wait with exponentially widening window.
+
+    An exponential backoff strategy used to mediate contention between multiple
+    uncoordinated processes for a shared resource in distributed systems. This
+    is the sense in which "exponential backoff" is meant in e.g. Ethernet
+    networking, and corresponds to the "Full Jitter" algorithm described in
+    this blog post:
+
+    https://aws.amazon.com/blogs/architecture/exponential-backoff-and-jitter/
+
+    Each retry occurs at a random time in a geometrically expanding interval.
+    It allows for a custom multiplier and an ability to restrict the upper
+    limit of the random interval to some maximum value.
+
+    Example::
+
+        wait_random_exponential(multiplier=0.5,  # initial window 0.5s
+                                max=60)          # max 60s timeout
+
+    When waiting for an unavailable resource to become available again, as
+    opposed to trying to resolve contention for a shared resource, the
+    wait_exponential strategy (which uses a fixed interval) may be preferable.
+
+    """
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        high = super().__call__(retry_state=retry_state)
+        return random.uniform(0, high)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tomli/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/tomli/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..1cd8e07279ae7b5e11954d5aaf7d3be03d107cb6
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tomli/__init__.py
@@ -0,0 +1,6 @@
+"""A lil' TOML parser."""
+
+__all__ = ("loads", "load", "TOMLDecodeError")
+__version__ = "1.0.3"  # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
+
+from pip._vendor.tomli._parser import TOMLDecodeError, load, loads
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tomli/_parser.py b/venv/lib/python3.10/site-packages/pip/_vendor/tomli/_parser.py
new file mode 100644
index 0000000000000000000000000000000000000000..730a746843b98732f964e7b4111b30782b99c0c3
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tomli/_parser.py
@@ -0,0 +1,703 @@
+import string
+from types import MappingProxyType
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    FrozenSet,
+    Iterable,
+    Optional,
+    TextIO,
+    Tuple,
+)
+
+from pip._vendor.tomli._re import (
+    RE_BIN,
+    RE_DATETIME,
+    RE_HEX,
+    RE_LOCALTIME,
+    RE_NUMBER,
+    RE_OCT,
+    match_to_datetime,
+    match_to_localtime,
+    match_to_number,
+)
+
+if TYPE_CHECKING:
+    from re import Pattern
+
+
+ASCII_CTRL = frozenset(chr(i) for i in range(32)) | frozenset(chr(127))
+
+# Neither of these sets include quotation mark or backslash. They are
+# currently handled as separate cases in the parser functions.
+ILLEGAL_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t")
+ILLEGAL_MULTILINE_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t\n\r")
+
+ILLEGAL_LITERAL_STR_CHARS = ILLEGAL_BASIC_STR_CHARS
+ILLEGAL_MULTILINE_LITERAL_STR_CHARS = ASCII_CTRL - frozenset("\t\n")
+
+ILLEGAL_COMMENT_CHARS = ILLEGAL_BASIC_STR_CHARS
+
+TOML_WS = frozenset(" \t")
+TOML_WS_AND_NEWLINE = TOML_WS | frozenset("\n")
+BARE_KEY_CHARS = frozenset(string.ascii_letters + string.digits + "-_")
+KEY_INITIAL_CHARS = BARE_KEY_CHARS | frozenset("\"'")
+
+BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
+    {
+        "\\b": "\u0008",  # backspace
+        "\\t": "\u0009",  # tab
+        "\\n": "\u000A",  # linefeed
+        "\\f": "\u000C",  # form feed
+        "\\r": "\u000D",  # carriage return
+        '\\"': "\u0022",  # quote
+        "\\\\": "\u005C",  # backslash
+    }
+)
+
+# Type annotations
+ParseFloat = Callable[[str], Any]
+Key = Tuple[str, ...]
+Pos = int
+
+
+class TOMLDecodeError(ValueError):
+    """An error raised if a document is not valid TOML."""
+
+
+def load(fp: TextIO, *, parse_float: ParseFloat = float) -> Dict[str, Any]:
+    """Parse TOML from a file object."""
+    s = fp.read()
+    return loads(s, parse_float=parse_float)
+
+
+def loads(s: str, *, parse_float: ParseFloat = float) -> Dict[str, Any]:  # noqa: C901
+    """Parse TOML from a string."""
+
+    # The spec allows converting "\r\n" to "\n", even in string
+    # literals. Let's do so to simplify parsing.
+    src = s.replace("\r\n", "\n")
+    pos = 0
+    state = State()
+
+    # Parse one statement at a time
+    # (typically means one line in TOML source)
+    while True:
+        # 1. Skip line leading whitespace
+        pos = skip_chars(src, pos, TOML_WS)
+
+        # 2. Parse rules. Expect one of the following:
+        #    - end of file
+        #    - end of line
+        #    - comment
+        #    - key/value pair
+        #    - append dict to list (and move to its namespace)
+        #    - create dict (and move to its namespace)
+        # Skip trailing whitespace when applicable.
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char == "\n":
+            pos += 1
+            continue
+        if char in KEY_INITIAL_CHARS:
+            pos = key_value_rule(src, pos, state, parse_float)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char == "[":
+            try:
+                second_char: Optional[str] = src[pos + 1]
+            except IndexError:
+                second_char = None
+            if second_char == "[":
+                pos = create_list_rule(src, pos, state)
+            else:
+                pos = create_dict_rule(src, pos, state)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char != "#":
+            raise suffixed_err(src, pos, "Invalid statement")
+
+        # 3. Skip comment
+        pos = skip_comment(src, pos)
+
+        # 4. Expect end of line or end of file
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char != "\n":
+            raise suffixed_err(
+                src, pos, "Expected newline or end of document after a statement"
+            )
+        pos += 1
+
+    return state.out.dict
+
+
+class State:
+    def __init__(self) -> None:
+        # Mutable, read-only
+        self.out = NestedDict()
+        self.flags = Flags()
+
+        # Immutable, read and write
+        self.header_namespace: Key = ()
+
+
+class Flags:
+    """Flags that map to parsed keys/namespaces."""
+
+    # Marks an immutable namespace (inline array or inline table).
+    FROZEN = 0
+    # Marks a nest that has been explicitly created and can no longer
+    # be opened using the "[table]" syntax.
+    EXPLICIT_NEST = 1
+
+    def __init__(self) -> None:
+        self._flags: Dict[str, dict] = {}
+
+    def unset_all(self, key: Key) -> None:
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return
+            cont = cont[k]["nested"]
+        cont.pop(key[-1], None)
+
+    def set_for_relative_key(self, head_key: Key, rel_key: Key, flag: int) -> None:
+        cont = self._flags
+        for k in head_key:
+            if k not in cont:
+                cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+        for k in rel_key:
+            if k in cont:
+                cont[k]["flags"].add(flag)
+            else:
+                cont[k] = {"flags": {flag}, "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+
+    def set(self, key: Key, flag: int, *, recursive: bool) -> None:  # noqa: A003
+        cont = self._flags
+        key_parent, key_stem = key[:-1], key[-1]
+        for k in key_parent:
+            if k not in cont:
+                cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+        if key_stem not in cont:
+            cont[key_stem] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+        cont[key_stem]["recursive_flags" if recursive else "flags"].add(flag)
+
+    def is_(self, key: Key, flag: int) -> bool:
+        if not key:
+            return False  # document root has no flags
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return False
+            inner_cont = cont[k]
+            if flag in inner_cont["recursive_flags"]:
+                return True
+            cont = inner_cont["nested"]
+        key_stem = key[-1]
+        if key_stem in cont:
+            cont = cont[key_stem]
+            return flag in cont["flags"] or flag in cont["recursive_flags"]
+        return False
+
+
+class NestedDict:
+    def __init__(self) -> None:
+        # The parsed content of the TOML document
+        self.dict: Dict[str, Any] = {}
+
+    def get_or_create_nest(
+        self,
+        key: Key,
+        *,
+        access_lists: bool = True,
+    ) -> dict:
+        cont: Any = self.dict
+        for k in key:
+            if k not in cont:
+                cont[k] = {}
+            cont = cont[k]
+            if access_lists and isinstance(cont, list):
+                cont = cont[-1]
+            if not isinstance(cont, dict):
+                raise KeyError("There is no nest behind this key")
+        return cont
+
+    def append_nest_to_list(self, key: Key) -> None:
+        cont = self.get_or_create_nest(key[:-1])
+        last_key = key[-1]
+        if last_key in cont:
+            list_ = cont[last_key]
+            if not isinstance(list_, list):
+                raise KeyError("An object other than list found behind this key")
+            list_.append({})
+        else:
+            cont[last_key] = [{}]
+
+
+def skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
+    try:
+        while src[pos] in chars:
+            pos += 1
+    except IndexError:
+        pass
+    return pos
+
+
+def skip_until(
+    src: str,
+    pos: Pos,
+    expect: str,
+    *,
+    error_on: FrozenSet[str],
+    error_on_eof: bool,
+) -> Pos:
+    try:
+        new_pos = src.index(expect, pos)
+    except ValueError:
+        new_pos = len(src)
+        if error_on_eof:
+            raise suffixed_err(src, new_pos, f'Expected "{expect!r}"')
+
+    bad_chars = error_on.intersection(src[pos:new_pos])
+    if bad_chars:
+        bad_char = next(iter(bad_chars))
+        bad_pos = src.index(bad_char, pos)
+        raise suffixed_err(src, bad_pos, f'Found invalid character "{bad_char!r}"')
+    return new_pos
+
+
+def skip_comment(src: str, pos: Pos) -> Pos:
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+    if char == "#":
+        return skip_until(
+            src, pos + 1, "\n", error_on=ILLEGAL_COMMENT_CHARS, error_on_eof=False
+        )
+    return pos
+
+
+def skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
+    while True:
+        pos_before_skip = pos
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        pos = skip_comment(src, pos)
+        if pos == pos_before_skip:
+            return pos
+
+
+def create_dict_rule(src: str, pos: Pos, state: State) -> Pos:
+    pos += 1  # Skip "["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if state.flags.is_(key, Flags.EXPLICIT_NEST) or state.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Can not declare {key} twice")
+    state.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        state.out.get_or_create_nest(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+    state.header_namespace = key
+
+    if src[pos : pos + 1] != "]":
+        raise suffixed_err(src, pos, 'Expected "]" at the end of a table declaration')
+    return pos + 1
+
+
+def create_list_rule(src: str, pos: Pos, state: State) -> Pos:
+    pos += 2  # Skip "[["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if state.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Can not mutate immutable namespace {key}")
+    # Free the namespace now that it points to another empty list item...
+    state.flags.unset_all(key)
+    # ...but this key precisely is still prohibited from table declaration
+    state.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        state.out.append_nest_to_list(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+    state.header_namespace = key
+
+    end_marker = src[pos : pos + 2]
+    if end_marker != "]]":
+        raise suffixed_err(
+            src,
+            pos,
+            f'Found "{end_marker!r}" at the end of an array declaration.'
+            ' Expected "]]"',
+        )
+    return pos + 2
+
+
+def key_value_rule(src: str, pos: Pos, state: State, parse_float: ParseFloat) -> Pos:
+    pos, key, value = parse_key_value_pair(src, pos, parse_float)
+    key_parent, key_stem = key[:-1], key[-1]
+    abs_key_parent = state.header_namespace + key_parent
+
+    if state.flags.is_(abs_key_parent, Flags.FROZEN):
+        raise suffixed_err(
+            src, pos, f"Can not mutate immutable namespace {abs_key_parent}"
+        )
+    # Containers in the relative path can't be opened with the table syntax after this
+    state.flags.set_for_relative_key(state.header_namespace, key, Flags.EXPLICIT_NEST)
+    try:
+        nest = state.out.get_or_create_nest(abs_key_parent)
+    except KeyError:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+    if key_stem in nest:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+    # Mark inline table and array namespaces recursively immutable
+    if isinstance(value, (dict, list)):
+        abs_key = state.header_namespace + key
+        state.flags.set(abs_key, Flags.FROZEN, recursive=True)
+    nest[key_stem] = value
+    return pos
+
+
+def parse_key_value_pair(
+    src: str, pos: Pos, parse_float: ParseFloat
+) -> Tuple[Pos, Key, Any]:
+    pos, key = parse_key(src, pos)
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+    if char != "=":
+        raise suffixed_err(src, pos, 'Expected "=" after a key in a key/value pair')
+    pos += 1
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, value = parse_value(src, pos, parse_float)
+    return pos, key, value
+
+
+def parse_key(src: str, pos: Pos) -> Tuple[Pos, Key]:
+    pos, key_part = parse_key_part(src, pos)
+    key = [key_part]
+    pos = skip_chars(src, pos, TOML_WS)
+    while True:
+        try:
+            char: Optional[str] = src[pos]
+        except IndexError:
+            char = None
+        if char != ".":
+            return pos, tuple(key)
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+        pos, key_part = parse_key_part(src, pos)
+        key.append(key_part)
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_key_part(src: str, pos: Pos) -> Tuple[Pos, str]:
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+    if char in BARE_KEY_CHARS:
+        start_pos = pos
+        pos = skip_chars(src, pos, BARE_KEY_CHARS)
+        return pos, src[start_pos:pos]
+    if char == "'":
+        return parse_literal_str(src, pos)
+    if char == '"':
+        return parse_one_line_basic_str(src, pos)
+    raise suffixed_err(src, pos, "Invalid initial character for a key part")
+
+
+def parse_one_line_basic_str(src: str, pos: Pos) -> Tuple[Pos, str]:
+    pos += 1
+    return parse_basic_str(src, pos, multiline=False)
+
+
+def parse_array(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, list]:
+    pos += 1
+    array: list = []
+
+    pos = skip_comments_and_array_ws(src, pos)
+    if src[pos : pos + 1] == "]":
+        return pos + 1, array
+    while True:
+        pos, val = parse_value(src, pos, parse_float)
+        array.append(val)
+        pos = skip_comments_and_array_ws(src, pos)
+
+        c = src[pos : pos + 1]
+        if c == "]":
+            return pos + 1, array
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed array")
+        pos += 1
+
+        pos = skip_comments_and_array_ws(src, pos)
+        if src[pos : pos + 1] == "]":
+            return pos + 1, array
+
+
+def parse_inline_table(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, dict]:
+    pos += 1
+    nested_dict = NestedDict()
+    flags = Flags()
+
+    pos = skip_chars(src, pos, TOML_WS)
+    if src[pos : pos + 1] == "}":
+        return pos + 1, nested_dict.dict
+    while True:
+        pos, key, value = parse_key_value_pair(src, pos, parse_float)
+        key_parent, key_stem = key[:-1], key[-1]
+        if flags.is_(key, Flags.FROZEN):
+            raise suffixed_err(src, pos, f"Can not mutate immutable namespace {key}")
+        try:
+            nest = nested_dict.get_or_create_nest(key_parent, access_lists=False)
+        except KeyError:
+            raise suffixed_err(src, pos, "Can not overwrite a value")
+        if key_stem in nest:
+            raise suffixed_err(src, pos, f'Duplicate inline table key "{key_stem}"')
+        nest[key_stem] = value
+        pos = skip_chars(src, pos, TOML_WS)
+        c = src[pos : pos + 1]
+        if c == "}":
+            return pos + 1, nested_dict.dict
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed inline table")
+        if isinstance(value, (dict, list)):
+            flags.set(key, Flags.FROZEN, recursive=True)
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_basic_str_escape(
+    src: str, pos: Pos, *, multiline: bool = False
+) -> Tuple[Pos, str]:
+    escape_id = src[pos : pos + 2]
+    pos += 2
+    if multiline and escape_id in {"\\ ", "\\\t", "\\\n"}:
+        # Skip whitespace until next non-whitespace character or end of
+        # the doc. Error if non-whitespace is found before newline.
+        if escape_id != "\\\n":
+            pos = skip_chars(src, pos, TOML_WS)
+            char = src[pos : pos + 1]
+            if not char:
+                return pos, ""
+            if char != "\n":
+                raise suffixed_err(src, pos, 'Unescaped "\\" in a string')
+            pos += 1
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        return pos, ""
+    if escape_id == "\\u":
+        return parse_hex_char(src, pos, 4)
+    if escape_id == "\\U":
+        return parse_hex_char(src, pos, 8)
+    try:
+        return pos, BASIC_STR_ESCAPE_REPLACEMENTS[escape_id]
+    except KeyError:
+        if len(escape_id) != 2:
+            raise suffixed_err(src, pos, "Unterminated string")
+        raise suffixed_err(src, pos, 'Unescaped "\\" in a string')
+
+
+def parse_basic_str_escape_multiline(src: str, pos: Pos) -> Tuple[Pos, str]:
+    return parse_basic_str_escape(src, pos, multiline=True)
+
+
+def parse_hex_char(src: str, pos: Pos, hex_len: int) -> Tuple[Pos, str]:
+    hex_str = src[pos : pos + hex_len]
+    if len(hex_str) != hex_len or any(c not in string.hexdigits for c in hex_str):
+        raise suffixed_err(src, pos, "Invalid hex value")
+    pos += hex_len
+    hex_int = int(hex_str, 16)
+    if not is_unicode_scalar_value(hex_int):
+        raise suffixed_err(src, pos, "Escaped character is not a Unicode scalar value")
+    return pos, chr(hex_int)
+
+
+def parse_literal_str(src: str, pos: Pos) -> Tuple[Pos, str]:
+    pos += 1  # Skip starting apostrophe
+    start_pos = pos
+    pos = skip_until(
+        src, pos, "'", error_on=ILLEGAL_LITERAL_STR_CHARS, error_on_eof=True
+    )
+    return pos + 1, src[start_pos:pos]  # Skip ending apostrophe
+
+
+def parse_multiline_str(src: str, pos: Pos, *, literal: bool) -> Tuple[Pos, str]:
+    pos += 3
+    if src[pos : pos + 1] == "\n":
+        pos += 1
+
+    if literal:
+        delim = "'"
+        end_pos = skip_until(
+            src,
+            pos,
+            "'''",
+            error_on=ILLEGAL_MULTILINE_LITERAL_STR_CHARS,
+            error_on_eof=True,
+        )
+        result = src[pos:end_pos]
+        pos = end_pos + 3
+    else:
+        delim = '"'
+        pos, result = parse_basic_str(src, pos, multiline=True)
+
+    # Add at maximum two extra apostrophes/quotes if the end sequence
+    # is 4 or 5 chars long instead of just 3.
+    if src[pos : pos + 1] != delim:
+        return pos, result
+    pos += 1
+    if src[pos : pos + 1] != delim:
+        return pos, result + delim
+    pos += 1
+    return pos, result + (delim * 2)
+
+
+def parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> Tuple[Pos, str]:
+    if multiline:
+        error_on = ILLEGAL_MULTILINE_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape_multiline
+    else:
+        error_on = ILLEGAL_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape
+    result = ""
+    start_pos = pos
+    while True:
+        try:
+            char = src[pos]
+        except IndexError:
+            raise suffixed_err(src, pos, "Unterminated string")
+        if char == '"':
+            if not multiline:
+                return pos + 1, result + src[start_pos:pos]
+            if src[pos + 1 : pos + 3] == '""':
+                return pos + 3, result + src[start_pos:pos]
+            pos += 1
+            continue
+        if char == "\\":
+            result += src[start_pos:pos]
+            pos, parsed_escape = parse_escapes(src, pos)
+            result += parsed_escape
+            start_pos = pos
+            continue
+        if char in error_on:
+            raise suffixed_err(src, pos, f'Illegal character "{char!r}"')
+        pos += 1
+
+
+def parse_regex(src: str, pos: Pos, regex: "Pattern") -> Tuple[Pos, str]:
+    match = regex.match(src, pos)
+    if not match:
+        raise suffixed_err(src, pos, "Unexpected sequence")
+    return match.end(), match.group()
+
+
+def parse_value(  # noqa: C901
+    src: str, pos: Pos, parse_float: ParseFloat
+) -> Tuple[Pos, Any]:
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+
+    # Basic strings
+    if char == '"':
+        if src[pos + 1 : pos + 3] == '""':
+            return parse_multiline_str(src, pos, literal=False)
+        return parse_one_line_basic_str(src, pos)
+
+    # Literal strings
+    if char == "'":
+        if src[pos + 1 : pos + 3] == "''":
+            return parse_multiline_str(src, pos, literal=True)
+        return parse_literal_str(src, pos)
+
+    # Booleans
+    if char == "t":
+        if src[pos + 1 : pos + 4] == "rue":
+            return pos + 4, True
+    if char == "f":
+        if src[pos + 1 : pos + 5] == "alse":
+            return pos + 5, False
+
+    # Dates and times
+    datetime_match = RE_DATETIME.match(src, pos)
+    if datetime_match:
+        try:
+            datetime_obj = match_to_datetime(datetime_match)
+        except ValueError:
+            raise suffixed_err(src, pos, "Invalid date or datetime")
+        return datetime_match.end(), datetime_obj
+    localtime_match = RE_LOCALTIME.match(src, pos)
+    if localtime_match:
+        return localtime_match.end(), match_to_localtime(localtime_match)
+
+    # Non-decimal integers
+    if char == "0":
+        second_char = src[pos + 1 : pos + 2]
+        if second_char == "x":
+            pos, hex_str = parse_regex(src, pos + 2, RE_HEX)
+            return pos, int(hex_str, 16)
+        if second_char == "o":
+            pos, oct_str = parse_regex(src, pos + 2, RE_OCT)
+            return pos, int(oct_str, 8)
+        if second_char == "b":
+            pos, bin_str = parse_regex(src, pos + 2, RE_BIN)
+            return pos, int(bin_str, 2)
+
+    # Decimal integers and "normal" floats.
+    # The regex will greedily match any type starting with a decimal
+    # char, so needs to be located after handling of non-decimal ints,
+    # and dates and times.
+    number_match = RE_NUMBER.match(src, pos)
+    if number_match:
+        return number_match.end(), match_to_number(number_match, parse_float)
+
+    # Arrays
+    if char == "[":
+        return parse_array(src, pos, parse_float)
+
+    # Inline tables
+    if char == "{":
+        return parse_inline_table(src, pos, parse_float)
+
+    # Special floats
+    first_three = src[pos : pos + 3]
+    if first_three in {"inf", "nan"}:
+        return pos + 3, parse_float(first_three)
+    first_four = src[pos : pos + 4]
+    if first_four in {"-inf", "+inf", "-nan", "+nan"}:
+        return pos + 4, parse_float(first_four)
+
+    raise suffixed_err(src, pos, "Invalid value")
+
+
+def suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
+    """Return a `TOMLDecodeError` where error message is suffixed with
+    coordinates in source."""
+
+    def coord_repr(src: str, pos: Pos) -> str:
+        if pos >= len(src):
+            return "end of document"
+        line = src.count("\n", 0, pos) + 1
+        if line == 1:
+            column = pos + 1
+        else:
+            column = pos - src.rindex("\n", 0, pos)
+        return f"line {line}, column {column}"
+
+    return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})")
+
+
+def is_unicode_scalar_value(codepoint: int) -> bool:
+    return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/tomli/_re.py b/venv/lib/python3.10/site-packages/pip/_vendor/tomli/_re.py
new file mode 100644
index 0000000000000000000000000000000000000000..3883fdd9c9069c3655321da77d16499506b49958
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/tomli/_re.py
@@ -0,0 +1,83 @@
+from datetime import date, datetime, time, timedelta, timezone, tzinfo
+import re
+from typing import TYPE_CHECKING, Any, Optional, Union
+
+if TYPE_CHECKING:
+    from re import Match
+
+    from pip._vendor.tomli._parser import ParseFloat
+
+# E.g.
+# - 00:32:00.999999
+# - 00:32:00
+_TIME_RE_STR = r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)?"
+
+RE_HEX = re.compile(r"[0-9A-Fa-f](?:_?[0-9A-Fa-f])*")
+RE_BIN = re.compile(r"[01](?:_?[01])*")
+RE_OCT = re.compile(r"[0-7](?:_?[0-7])*")
+RE_NUMBER = re.compile(
+    r"[+-]?(?:0|[1-9](?:_?[0-9])*)"  # integer
+    + r"(?:\.[0-9](?:_?[0-9])*)?"  # optional fractional part
+    + r"(?:[eE][+-]?[0-9](?:_?[0-9])*)?"  # optional exponent part
+)
+RE_LOCALTIME = re.compile(_TIME_RE_STR)
+RE_DATETIME = re.compile(
+    r"([0-9]{4})-(0[1-9]|1[0-2])-(0[1-9]|1[0-9]|2[0-9]|3[01])"  # date, e.g. 1988-10-27
+    + r"(?:"
+    + r"[T ]"
+    + _TIME_RE_STR
+    + r"(?:(Z)|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))?"  # time offset
+    + r")?"
+)
+
+
+def match_to_datetime(match: "Match") -> Union[datetime, date]:
+    """Convert a `RE_DATETIME` match to `datetime.datetime` or `datetime.date`.
+
+    Raises ValueError if the match does not correspond to a valid date
+    or datetime.
+    """
+    (
+        year_str,
+        month_str,
+        day_str,
+        hour_str,
+        minute_str,
+        sec_str,
+        micros_str,
+        zulu_time,
+        offset_dir_str,
+        offset_hour_str,
+        offset_minute_str,
+    ) = match.groups()
+    year, month, day = int(year_str), int(month_str), int(day_str)
+    if hour_str is None:
+        return date(year, month, day)
+    hour, minute, sec = int(hour_str), int(minute_str), int(sec_str)
+    micros = int(micros_str[1:].ljust(6, "0")[:6]) if micros_str else 0
+    if offset_dir_str:
+        offset_dir = 1 if offset_dir_str == "+" else -1
+        tz: Optional[tzinfo] = timezone(
+            timedelta(
+                hours=offset_dir * int(offset_hour_str),
+                minutes=offset_dir * int(offset_minute_str),
+            )
+        )
+    elif zulu_time:
+        tz = timezone.utc
+    else:  # local date-time
+        tz = None
+    return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
+
+
+def match_to_localtime(match: "Match") -> time:
+    hour_str, minute_str, sec_str, micros_str = match.groups()
+    micros = int(micros_str[1:].ljust(6, "0")[:6]) if micros_str else 0
+    return time(int(hour_str), int(minute_str), int(sec_str), micros)
+
+
+def match_to_number(match: "Match", parse_float: "ParseFloat") -> Any:
+    match_str = match.group()
+    if "." in match_str or "e" in match_str or "E" in match_str:
+        return parse_float(match_str)
+    return int(match_str)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..fe86b59d782bdb09d70aa44f80370be95a667c83
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/__init__.py
@@ -0,0 +1,85 @@
+"""
+Python HTTP library with thread-safe connection pooling, file post support, user friendly, and more
+"""
+from __future__ import absolute_import
+
+# Set default logging handler to avoid "No handler found" warnings.
+import logging
+import warnings
+from logging import NullHandler
+
+from . import exceptions
+from ._version import __version__
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool, connection_from_url
+from .filepost import encode_multipart_formdata
+from .poolmanager import PoolManager, ProxyManager, proxy_from_url
+from .response import HTTPResponse
+from .util.request import make_headers
+from .util.retry import Retry
+from .util.timeout import Timeout
+from .util.url import get_host
+
+__author__ = "Andrey Petrov (andrey.petrov@shazow.net)"
+__license__ = "MIT"
+__version__ = __version__
+
+__all__ = (
+    "HTTPConnectionPool",
+    "HTTPSConnectionPool",
+    "PoolManager",
+    "ProxyManager",
+    "HTTPResponse",
+    "Retry",
+    "Timeout",
+    "add_stderr_logger",
+    "connection_from_url",
+    "disable_warnings",
+    "encode_multipart_formdata",
+    "get_host",
+    "make_headers",
+    "proxy_from_url",
+)
+
+logging.getLogger(__name__).addHandler(NullHandler())
+
+
+def add_stderr_logger(level=logging.DEBUG):
+    """
+    Helper for quickly adding a StreamHandler to the logger. Useful for
+    debugging.
+
+    Returns the handler after adding it.
+    """
+    # This method needs to be in this __init__.py to get the __name__ correct
+    # even if urllib3 is vendored within another package.
+    logger = logging.getLogger(__name__)
+    handler = logging.StreamHandler()
+    handler.setFormatter(logging.Formatter("%(asctime)s %(levelname)s %(message)s"))
+    logger.addHandler(handler)
+    logger.setLevel(level)
+    logger.debug("Added a stderr logging handler to logger: %s", __name__)
+    return handler
+
+
+# ... Clean up.
+del NullHandler
+
+
+# All warning filters *must* be appended unless you're really certain that they
+# shouldn't be: otherwise, it's very hard for users to use most Python
+# mechanisms to silence them.
+# SecurityWarning's always go off by default.
+warnings.simplefilter("always", exceptions.SecurityWarning, append=True)
+# SubjectAltNameWarning's should go off once per host
+warnings.simplefilter("default", exceptions.SubjectAltNameWarning, append=True)
+# InsecurePlatformWarning's don't vary between requests, so we keep it default.
+warnings.simplefilter("default", exceptions.InsecurePlatformWarning, append=True)
+# SNIMissingWarnings should go off only once.
+warnings.simplefilter("default", exceptions.SNIMissingWarning, append=True)
+
+
+def disable_warnings(category=exceptions.HTTPWarning):
+    """
+    Helper for quickly disabling all urllib3 warnings.
+    """
+    warnings.simplefilter("ignore", category)
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/_collections.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/_collections.py
new file mode 100644
index 0000000000000000000000000000000000000000..bceb8451f0e761f623b88c9b4d5341630d05f9ce
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/_collections.py
@@ -0,0 +1,355 @@
+from __future__ import absolute_import
+
+try:
+    from collections.abc import Mapping, MutableMapping
+except ImportError:
+    from collections import Mapping, MutableMapping
+try:
+    from threading import RLock
+except ImportError:  # Platform-specific: No threads available
+
+    class RLock:
+        def __enter__(self):
+            pass
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            pass
+
+
+from collections import OrderedDict
+
+from .exceptions import InvalidHeader
+from .packages import six
+from .packages.six import iterkeys, itervalues
+
+__all__ = ["RecentlyUsedContainer", "HTTPHeaderDict"]
+
+
+_Null = object()
+
+
+class RecentlyUsedContainer(MutableMapping):
+    """
+    Provides a thread-safe dict-like container which maintains up to
+    ``maxsize`` keys while throwing away the least-recently-used keys beyond
+    ``maxsize``.
+
+    :param maxsize:
+        Maximum number of recent elements to retain.
+
+    :param dispose_func:
+        Every time an item is evicted from the container,
+        ``dispose_func(value)`` is called.  Callback which will get called
+    """
+
+    ContainerCls = OrderedDict
+
+    def __init__(self, maxsize=10, dispose_func=None):
+        self._maxsize = maxsize
+        self.dispose_func = dispose_func
+
+        self._container = self.ContainerCls()
+        self.lock = RLock()
+
+    def __getitem__(self, key):
+        # Re-insert the item, moving it to the end of the eviction line.
+        with self.lock:
+            item = self._container.pop(key)
+            self._container[key] = item
+            return item
+
+    def __setitem__(self, key, value):
+        evicted_value = _Null
+        with self.lock:
+            # Possibly evict the existing value of 'key'
+            evicted_value = self._container.get(key, _Null)
+            self._container[key] = value
+
+            # If we didn't evict an existing value, we might have to evict the
+            # least recently used item from the beginning of the container.
+            if len(self._container) > self._maxsize:
+                _key, evicted_value = self._container.popitem(last=False)
+
+        if self.dispose_func and evicted_value is not _Null:
+            self.dispose_func(evicted_value)
+
+    def __delitem__(self, key):
+        with self.lock:
+            value = self._container.pop(key)
+
+        if self.dispose_func:
+            self.dispose_func(value)
+
+    def __len__(self):
+        with self.lock:
+            return len(self._container)
+
+    def __iter__(self):
+        raise NotImplementedError(
+            "Iteration over this class is unlikely to be threadsafe."
+        )
+
+    def clear(self):
+        with self.lock:
+            # Copy pointers to all values, then wipe the mapping
+            values = list(itervalues(self._container))
+            self._container.clear()
+
+        if self.dispose_func:
+            for value in values:
+                self.dispose_func(value)
+
+    def keys(self):
+        with self.lock:
+            return list(iterkeys(self._container))
+
+
+class HTTPHeaderDict(MutableMapping):
+    """
+    :param headers:
+        An iterable of field-value pairs. Must not contain multiple field names
+        when compared case-insensitively.
+
+    :param kwargs:
+        Additional field-value pairs to pass in to ``dict.update``.
+
+    A ``dict`` like container for storing HTTP Headers.
+
+    Field names are stored and compared case-insensitively in compliance with
+    RFC 7230. Iteration provides the first case-sensitive key seen for each
+    case-insensitive pair.
+
+    Using ``__setitem__`` syntax overwrites fields that compare equal
+    case-insensitively in order to maintain ``dict``'s api. For fields that
+    compare equal, instead create a new ``HTTPHeaderDict`` and use ``.add``
+    in a loop.
+
+    If multiple fields that are equal case-insensitively are passed to the
+    constructor or ``.update``, the behavior is undefined and some will be
+    lost.
+
+    >>> headers = HTTPHeaderDict()
+    >>> headers.add('Set-Cookie', 'foo=bar')
+    >>> headers.add('set-cookie', 'baz=quxx')
+    >>> headers['content-length'] = '7'
+    >>> headers['SET-cookie']
+    'foo=bar, baz=quxx'
+    >>> headers['Content-Length']
+    '7'
+    """
+
+    def __init__(self, headers=None, **kwargs):
+        super(HTTPHeaderDict, self).__init__()
+        self._container = OrderedDict()
+        if headers is not None:
+            if isinstance(headers, HTTPHeaderDict):
+                self._copy_from(headers)
+            else:
+                self.extend(headers)
+        if kwargs:
+            self.extend(kwargs)
+
+    def __setitem__(self, key, val):
+        self._container[key.lower()] = [key, val]
+        return self._container[key.lower()]
+
+    def __getitem__(self, key):
+        val = self._container[key.lower()]
+        return ", ".join(val[1:])
+
+    def __delitem__(self, key):
+        del self._container[key.lower()]
+
+    def __contains__(self, key):
+        return key.lower() in self._container
+
+    def __eq__(self, other):
+        if not isinstance(other, Mapping) and not hasattr(other, "keys"):
+            return False
+        if not isinstance(other, type(self)):
+            other = type(self)(other)
+        return dict((k.lower(), v) for k, v in self.itermerged()) == dict(
+            (k.lower(), v) for k, v in other.itermerged()
+        )
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    if six.PY2:  # Python 2
+        iterkeys = MutableMapping.iterkeys
+        itervalues = MutableMapping.itervalues
+
+    __marker = object()
+
+    def __len__(self):
+        return len(self._container)
+
+    def __iter__(self):
+        # Only provide the originally cased names
+        for vals in self._container.values():
+            yield vals[0]
+
+    def pop(self, key, default=__marker):
+        """D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
+        If key is not found, d is returned if given, otherwise KeyError is raised.
+        """
+        # Using the MutableMapping function directly fails due to the private marker.
+        # Using ordinary dict.pop would expose the internal structures.
+        # So let's reinvent the wheel.
+        try:
+            value = self[key]
+        except KeyError:
+            if default is self.__marker:
+                raise
+            return default
+        else:
+            del self[key]
+            return value
+
+    def discard(self, key):
+        try:
+            del self[key]
+        except KeyError:
+            pass
+
+    def add(self, key, val):
+        """Adds a (name, value) pair, doesn't overwrite the value if it already
+        exists.
+
+        >>> headers = HTTPHeaderDict(foo='bar')
+        >>> headers.add('Foo', 'baz')
+        >>> headers['foo']
+        'bar, baz'
+        """
+        key_lower = key.lower()
+        new_vals = [key, val]
+        # Keep the common case aka no item present as fast as possible
+        vals = self._container.setdefault(key_lower, new_vals)
+        if new_vals is not vals:
+            vals.append(val)
+
+    def extend(self, *args, **kwargs):
+        """Generic import function for any type of header-like object.
+        Adapted version of MutableMapping.update in order to insert items
+        with self.add instead of self.__setitem__
+        """
+        if len(args) > 1:
+            raise TypeError(
+                "extend() takes at most 1 positional "
+                "arguments ({0} given)".format(len(args))
+            )
+        other = args[0] if len(args) >= 1 else ()
+
+        if isinstance(other, HTTPHeaderDict):
+            for key, val in other.iteritems():
+                self.add(key, val)
+        elif isinstance(other, Mapping):
+            for key in other:
+                self.add(key, other[key])
+        elif hasattr(other, "keys"):
+            for key in other.keys():
+                self.add(key, other[key])
+        else:
+            for key, value in other:
+                self.add(key, value)
+
+        for key, value in kwargs.items():
+            self.add(key, value)
+
+    def getlist(self, key, default=__marker):
+        """Returns a list of all the values for the named field. Returns an
+        empty list if the key doesn't exist."""
+        try:
+            vals = self._container[key.lower()]
+        except KeyError:
+            if default is self.__marker:
+                return []
+            return default
+        else:
+            return vals[1:]
+
+    def _prepare_for_method_change(self):
+        """
+        Remove content-specific header fields before changing the request
+        method to GET or HEAD according to RFC 9110, Section 15.4.
+        """
+        content_specific_headers = [
+            "Content-Encoding",
+            "Content-Language",
+            "Content-Location",
+            "Content-Type",
+            "Content-Length",
+            "Digest",
+            "Last-Modified",
+        ]
+        for header in content_specific_headers:
+            self.discard(header)
+        return self
+
+    # Backwards compatibility for httplib
+    getheaders = getlist
+    getallmatchingheaders = getlist
+    iget = getlist
+
+    # Backwards compatibility for http.cookiejar
+    get_all = getlist
+
+    def __repr__(self):
+        return "%s(%s)" % (type(self).__name__, dict(self.itermerged()))
+
+    def _copy_from(self, other):
+        for key in other:
+            val = other.getlist(key)
+            if isinstance(val, list):
+                # Don't need to convert tuples
+                val = list(val)
+            self._container[key.lower()] = [key] + val
+
+    def copy(self):
+        clone = type(self)()
+        clone._copy_from(self)
+        return clone
+
+    def iteritems(self):
+        """Iterate over all header lines, including duplicate ones."""
+        for key in self:
+            vals = self._container[key.lower()]
+            for val in vals[1:]:
+                yield vals[0], val
+
+    def itermerged(self):
+        """Iterate over all headers, merging duplicate ones together."""
+        for key in self:
+            val = self._container[key.lower()]
+            yield val[0], ", ".join(val[1:])
+
+    def items(self):
+        return list(self.iteritems())
+
+    @classmethod
+    def from_httplib(cls, message):  # Python 2
+        """Read headers from a Python 2 httplib message object."""
+        # python2.7 does not expose a proper API for exporting multiheaders
+        # efficiently. This function re-reads raw lines from the message
+        # object and extracts the multiheaders properly.
+        obs_fold_continued_leaders = (" ", "\t")
+        headers = []
+
+        for line in message.headers:
+            if line.startswith(obs_fold_continued_leaders):
+                if not headers:
+                    # We received a header line that starts with OWS as described
+                    # in RFC-7230 S3.2.4. This indicates a multiline header, but
+                    # there exists no previous header to which we can attach it.
+                    raise InvalidHeader(
+                        "Header continuation with no previous header: %s" % line
+                    )
+                else:
+                    key, value = headers[-1]
+                    headers[-1] = (key, value + " " + line.strip())
+                    continue
+
+            key, value = line.split(":", 1)
+            headers.append((key, value.strip()))
+
+        return cls(headers)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/_version.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/_version.py
new file mode 100644
index 0000000000000000000000000000000000000000..fa8979d73e32737017f2fc36a2201b032d8a7e97
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/_version.py
@@ -0,0 +1,2 @@
+# This file is protected via CODEOWNERS
+__version__ = "1.26.8"
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/connection.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/connection.py
new file mode 100644
index 0000000000000000000000000000000000000000..4d92ac6d2c3bd213f88c84f045364b1728adc01c
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/connection.py
@@ -0,0 +1,569 @@
+from __future__ import absolute_import
+
+import datetime
+import logging
+import os
+import re
+import socket
+import warnings
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+from .packages import six
+from .packages.six.moves.http_client import HTTPConnection as _HTTPConnection
+from .packages.six.moves.http_client import HTTPException  # noqa: F401
+from .util.proxy import create_proxy_ssl_context
+
+try:  # Compiled with SSL?
+    import ssl
+
+    BaseSSLError = ssl.SSLError
+except (ImportError, AttributeError):  # Platform-specific: No SSL.
+    ssl = None
+
+    class BaseSSLError(BaseException):
+        pass
+
+
+try:
+    # Python 3: not a no-op, we're adding this to the namespace so it can be imported.
+    ConnectionError = ConnectionError
+except NameError:
+    # Python 2
+    class ConnectionError(Exception):
+        pass
+
+
+try:  # Python 3:
+    # Not a no-op, we're adding this to the namespace so it can be imported.
+    BrokenPipeError = BrokenPipeError
+except NameError:  # Python 2:
+
+    class BrokenPipeError(Exception):
+        pass
+
+
+from ._collections import HTTPHeaderDict  # noqa (historical, removed in v2)
+from ._version import __version__
+from .exceptions import (
+    ConnectTimeoutError,
+    NewConnectionError,
+    SubjectAltNameWarning,
+    SystemTimeWarning,
+)
+from .util import SKIP_HEADER, SKIPPABLE_HEADERS, connection
+from .util.ssl_ import (
+    assert_fingerprint,
+    create_urllib3_context,
+    is_ipaddress,
+    resolve_cert_reqs,
+    resolve_ssl_version,
+    ssl_wrap_socket,
+)
+from .util.ssl_match_hostname import CertificateError, match_hostname
+
+log = logging.getLogger(__name__)
+
+port_by_scheme = {"http": 80, "https": 443}
+
+# When it comes time to update this value as a part of regular maintenance
+# (ie test_recent_date is failing) update it to ~6 months before the current date.
+RECENT_DATE = datetime.date(2020, 7, 1)
+
+_CONTAINS_CONTROL_CHAR_RE = re.compile(r"[^-!#$%&'*+.^_`|~0-9a-zA-Z]")
+
+
+class HTTPConnection(_HTTPConnection, object):
+    """
+    Based on :class:`http.client.HTTPConnection` but provides an extra constructor
+    backwards-compatibility layer between older and newer Pythons.
+
+    Additional keyword parameters are used to configure attributes of the connection.
+    Accepted parameters include:
+
+    - ``strict``: See the documentation on :class:`urllib3.connectionpool.HTTPConnectionPool`
+    - ``source_address``: Set the source address for the current connection.
+    - ``socket_options``: Set specific options on the underlying socket. If not specified, then
+      defaults are loaded from ``HTTPConnection.default_socket_options`` which includes disabling
+      Nagle's algorithm (sets TCP_NODELAY to 1) unless the connection is behind a proxy.
+
+      For example, if you wish to enable TCP Keep Alive in addition to the defaults,
+      you might pass:
+
+      .. code-block:: python
+
+         HTTPConnection.default_socket_options + [
+             (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),
+         ]
+
+      Or you may want to disable the defaults by passing an empty list (e.g., ``[]``).
+    """
+
+    default_port = port_by_scheme["http"]
+
+    #: Disable Nagle's algorithm by default.
+    #: ``[(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]``
+    default_socket_options = [(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]
+
+    #: Whether this connection verifies the host's certificate.
+    is_verified = False
+
+    #: Whether this proxy connection (if used) verifies the proxy host's
+    #: certificate.
+    proxy_is_verified = None
+
+    def __init__(self, *args, **kw):
+        if not six.PY2:
+            kw.pop("strict", None)
+
+        # Pre-set source_address.
+        self.source_address = kw.get("source_address")
+
+        #: The socket options provided by the user. If no options are
+        #: provided, we use the default options.
+        self.socket_options = kw.pop("socket_options", self.default_socket_options)
+
+        # Proxy options provided by the user.
+        self.proxy = kw.pop("proxy", None)
+        self.proxy_config = kw.pop("proxy_config", None)
+
+        _HTTPConnection.__init__(self, *args, **kw)
+
+    @property
+    def host(self):
+        """
+        Getter method to remove any trailing dots that indicate the hostname is an FQDN.
+
+        In general, SSL certificates don't include the trailing dot indicating a
+        fully-qualified domain name, and thus, they don't validate properly when
+        checked against a domain name that includes the dot. In addition, some
+        servers may not expect to receive the trailing dot when provided.
+
+        However, the hostname with trailing dot is critical to DNS resolution; doing a
+        lookup with the trailing dot will properly only resolve the appropriate FQDN,
+        whereas a lookup without a trailing dot will search the system's search domain
+        list. Thus, it's important to keep the original host around for use only in
+        those cases where it's appropriate (i.e., when doing DNS lookup to establish the
+        actual TCP connection across which we're going to send HTTP requests).
+        """
+        return self._dns_host.rstrip(".")
+
+    @host.setter
+    def host(self, value):
+        """
+        Setter for the `host` property.
+
+        We assume that only urllib3 uses the _dns_host attribute; httplib itself
+        only uses `host`, and it seems reasonable that other libraries follow suit.
+        """
+        self._dns_host = value
+
+    def _new_conn(self):
+        """Establish a socket connection and set nodelay settings on it.
+
+        :return: New socket connection.
+        """
+        extra_kw = {}
+        if self.source_address:
+            extra_kw["source_address"] = self.source_address
+
+        if self.socket_options:
+            extra_kw["socket_options"] = self.socket_options
+
+        try:
+            conn = connection.create_connection(
+                (self._dns_host, self.port), self.timeout, **extra_kw
+            )
+
+        except SocketTimeout:
+            raise ConnectTimeoutError(
+                self,
+                "Connection to %s timed out. (connect timeout=%s)"
+                % (self.host, self.timeout),
+            )
+
+        except SocketError as e:
+            raise NewConnectionError(
+                self, "Failed to establish a new connection: %s" % e
+            )
+
+        return conn
+
+    def _is_using_tunnel(self):
+        # Google App Engine's httplib does not define _tunnel_host
+        return getattr(self, "_tunnel_host", None)
+
+    def _prepare_conn(self, conn):
+        self.sock = conn
+        if self._is_using_tunnel():
+            # TODO: Fix tunnel so it doesn't depend on self.sock state.
+            self._tunnel()
+            # Mark this connection as not reusable
+            self.auto_open = 0
+
+    def connect(self):
+        conn = self._new_conn()
+        self._prepare_conn(conn)
+
+    def putrequest(self, method, url, *args, **kwargs):
+        """ """
+        # Empty docstring because the indentation of CPython's implementation
+        # is broken but we don't want this method in our documentation.
+        match = _CONTAINS_CONTROL_CHAR_RE.search(method)
+        if match:
+            raise ValueError(
+                "Method cannot contain non-token characters %r (found at least %r)"
+                % (method, match.group())
+            )
+
+        return _HTTPConnection.putrequest(self, method, url, *args, **kwargs)
+
+    def putheader(self, header, *values):
+        """ """
+        if not any(isinstance(v, str) and v == SKIP_HEADER for v in values):
+            _HTTPConnection.putheader(self, header, *values)
+        elif six.ensure_str(header.lower()) not in SKIPPABLE_HEADERS:
+            raise ValueError(
+                "urllib3.util.SKIP_HEADER only supports '%s'"
+                % ("', '".join(map(str.title, sorted(SKIPPABLE_HEADERS))),)
+            )
+
+    def request(self, method, url, body=None, headers=None):
+        if headers is None:
+            headers = {}
+        else:
+            # Avoid modifying the headers passed into .request()
+            headers = headers.copy()
+        if "user-agent" not in (six.ensure_str(k.lower()) for k in headers):
+            headers["User-Agent"] = _get_default_user_agent()
+        super(HTTPConnection, self).request(method, url, body=body, headers=headers)
+
+    def request_chunked(self, method, url, body=None, headers=None):
+        """
+        Alternative to the common request method, which sends the
+        body with chunked encoding and not as one block
+        """
+        headers = headers or {}
+        header_keys = set([six.ensure_str(k.lower()) for k in headers])
+        skip_accept_encoding = "accept-encoding" in header_keys
+        skip_host = "host" in header_keys
+        self.putrequest(
+            method, url, skip_accept_encoding=skip_accept_encoding, skip_host=skip_host
+        )
+        if "user-agent" not in header_keys:
+            self.putheader("User-Agent", _get_default_user_agent())
+        for header, value in headers.items():
+            self.putheader(header, value)
+        if "transfer-encoding" not in header_keys:
+            self.putheader("Transfer-Encoding", "chunked")
+        self.endheaders()
+
+        if body is not None:
+            stringish_types = six.string_types + (bytes,)
+            if isinstance(body, stringish_types):
+                body = (body,)
+            for chunk in body:
+                if not chunk:
+                    continue
+                if not isinstance(chunk, bytes):
+                    chunk = chunk.encode("utf8")
+                len_str = hex(len(chunk))[2:]
+                to_send = bytearray(len_str.encode())
+                to_send += b"\r\n"
+                to_send += chunk
+                to_send += b"\r\n"
+                self.send(to_send)
+
+        # After the if clause, to always have a closed body
+        self.send(b"0\r\n\r\n")
+
+
+class HTTPSConnection(HTTPConnection):
+    """
+    Many of the parameters to this constructor are passed to the underlying SSL
+    socket by means of :py:func:`urllib3.util.ssl_wrap_socket`.
+    """
+
+    default_port = port_by_scheme["https"]
+
+    cert_reqs = None
+    ca_certs = None
+    ca_cert_dir = None
+    ca_cert_data = None
+    ssl_version = None
+    assert_fingerprint = None
+    tls_in_tls_required = False
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        key_file=None,
+        cert_file=None,
+        key_password=None,
+        strict=None,
+        timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
+        ssl_context=None,
+        server_hostname=None,
+        **kw
+    ):
+
+        HTTPConnection.__init__(self, host, port, strict=strict, timeout=timeout, **kw)
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.key_password = key_password
+        self.ssl_context = ssl_context
+        self.server_hostname = server_hostname
+
+        # Required property for Google AppEngine 1.9.0 which otherwise causes
+        # HTTPS requests to go out as HTTP. (See Issue #356)
+        self._protocol = "https"
+
+    def set_cert(
+        self,
+        key_file=None,
+        cert_file=None,
+        cert_reqs=None,
+        key_password=None,
+        ca_certs=None,
+        assert_hostname=None,
+        assert_fingerprint=None,
+        ca_cert_dir=None,
+        ca_cert_data=None,
+    ):
+        """
+        This method should only be called once, before the connection is used.
+        """
+        # If cert_reqs is not provided we'll assume CERT_REQUIRED unless we also
+        # have an SSLContext object in which case we'll use its verify_mode.
+        if cert_reqs is None:
+            if self.ssl_context is not None:
+                cert_reqs = self.ssl_context.verify_mode
+            else:
+                cert_reqs = resolve_cert_reqs(None)
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.cert_reqs = cert_reqs
+        self.key_password = key_password
+        self.assert_hostname = assert_hostname
+        self.assert_fingerprint = assert_fingerprint
+        self.ca_certs = ca_certs and os.path.expanduser(ca_certs)
+        self.ca_cert_dir = ca_cert_dir and os.path.expanduser(ca_cert_dir)
+        self.ca_cert_data = ca_cert_data
+
+    def connect(self):
+        # Add certificate verification
+        conn = self._new_conn()
+        hostname = self.host
+        tls_in_tls = False
+
+        if self._is_using_tunnel():
+            if self.tls_in_tls_required:
+                conn = self._connect_tls_proxy(hostname, conn)
+                tls_in_tls = True
+
+            self.sock = conn
+
+            # Calls self._set_hostport(), so self.host is
+            # self._tunnel_host below.
+            self._tunnel()
+            # Mark this connection as not reusable
+            self.auto_open = 0
+
+            # Override the host with the one we're requesting data from.
+            hostname = self._tunnel_host
+
+        server_hostname = hostname
+        if self.server_hostname is not None:
+            server_hostname = self.server_hostname
+
+        is_time_off = datetime.date.today() < RECENT_DATE
+        if is_time_off:
+            warnings.warn(
+                (
+                    "System time is way off (before {0}). This will probably "
+                    "lead to SSL verification errors"
+                ).format(RECENT_DATE),
+                SystemTimeWarning,
+            )
+
+        # Wrap socket using verification with the root certs in
+        # trusted_root_certs
+        default_ssl_context = False
+        if self.ssl_context is None:
+            default_ssl_context = True
+            self.ssl_context = create_urllib3_context(
+                ssl_version=resolve_ssl_version(self.ssl_version),
+                cert_reqs=resolve_cert_reqs(self.cert_reqs),
+            )
+
+        context = self.ssl_context
+        context.verify_mode = resolve_cert_reqs(self.cert_reqs)
+
+        # Try to load OS default certs if none are given.
+        # Works well on Windows (requires Python3.4+)
+        if (
+            not self.ca_certs
+            and not self.ca_cert_dir
+            and not self.ca_cert_data
+            and default_ssl_context
+            and hasattr(context, "load_default_certs")
+        ):
+            context.load_default_certs()
+
+        self.sock = ssl_wrap_socket(
+            sock=conn,
+            keyfile=self.key_file,
+            certfile=self.cert_file,
+            key_password=self.key_password,
+            ca_certs=self.ca_certs,
+            ca_cert_dir=self.ca_cert_dir,
+            ca_cert_data=self.ca_cert_data,
+            server_hostname=server_hostname,
+            ssl_context=context,
+            tls_in_tls=tls_in_tls,
+        )
+
+        # If we're using all defaults and the connection
+        # is TLSv1 or TLSv1.1 we throw a DeprecationWarning
+        # for the host.
+        if (
+            default_ssl_context
+            and self.ssl_version is None
+            and hasattr(self.sock, "version")
+            and self.sock.version() in {"TLSv1", "TLSv1.1"}
+        ):
+            warnings.warn(
+                "Negotiating TLSv1/TLSv1.1 by default is deprecated "
+                "and will be disabled in urllib3 v2.0.0. Connecting to "
+                "'%s' with '%s' can be enabled by explicitly opting-in "
+                "with 'ssl_version'" % (self.host, self.sock.version()),
+                DeprecationWarning,
+            )
+
+        if self.assert_fingerprint:
+            assert_fingerprint(
+                self.sock.getpeercert(binary_form=True), self.assert_fingerprint
+            )
+        elif (
+            context.verify_mode != ssl.CERT_NONE
+            and not getattr(context, "check_hostname", False)
+            and self.assert_hostname is not False
+        ):
+            # While urllib3 attempts to always turn off hostname matching from
+            # the TLS library, this cannot always be done. So we check whether
+            # the TLS Library still thinks it's matching hostnames.
+            cert = self.sock.getpeercert()
+            if not cert.get("subjectAltName", ()):
+                warnings.warn(
+                    (
+                        "Certificate for {0} has no `subjectAltName`, falling back to check for a "
+                        "`commonName` for now. This feature is being removed by major browsers and "
+                        "deprecated by RFC 2818. (See https://github.com/urllib3/urllib3/issues/497 "
+                        "for details.)".format(hostname)
+                    ),
+                    SubjectAltNameWarning,
+                )
+            _match_hostname(cert, self.assert_hostname or server_hostname)
+
+        self.is_verified = (
+            context.verify_mode == ssl.CERT_REQUIRED
+            or self.assert_fingerprint is not None
+        )
+
+    def _connect_tls_proxy(self, hostname, conn):
+        """
+        Establish a TLS connection to the proxy using the provided SSL context.
+        """
+        proxy_config = self.proxy_config
+        ssl_context = proxy_config.ssl_context
+        if ssl_context:
+            # If the user provided a proxy context, we assume CA and client
+            # certificates have already been set
+            return ssl_wrap_socket(
+                sock=conn,
+                server_hostname=hostname,
+                ssl_context=ssl_context,
+            )
+
+        ssl_context = create_proxy_ssl_context(
+            self.ssl_version,
+            self.cert_reqs,
+            self.ca_certs,
+            self.ca_cert_dir,
+            self.ca_cert_data,
+        )
+
+        # If no cert was provided, use only the default options for server
+        # certificate validation
+        socket = ssl_wrap_socket(
+            sock=conn,
+            ca_certs=self.ca_certs,
+            ca_cert_dir=self.ca_cert_dir,
+            ca_cert_data=self.ca_cert_data,
+            server_hostname=hostname,
+            ssl_context=ssl_context,
+        )
+
+        if ssl_context.verify_mode != ssl.CERT_NONE and not getattr(
+            ssl_context, "check_hostname", False
+        ):
+            # While urllib3 attempts to always turn off hostname matching from
+            # the TLS library, this cannot always be done. So we check whether
+            # the TLS Library still thinks it's matching hostnames.
+            cert = socket.getpeercert()
+            if not cert.get("subjectAltName", ()):
+                warnings.warn(
+                    (
+                        "Certificate for {0} has no `subjectAltName`, falling back to check for a "
+                        "`commonName` for now. This feature is being removed by major browsers and "
+                        "deprecated by RFC 2818. (See https://github.com/urllib3/urllib3/issues/497 "
+                        "for details.)".format(hostname)
+                    ),
+                    SubjectAltNameWarning,
+                )
+            _match_hostname(cert, hostname)
+
+        self.proxy_is_verified = ssl_context.verify_mode == ssl.CERT_REQUIRED
+        return socket
+
+
+def _match_hostname(cert, asserted_hostname):
+    # Our upstream implementation of ssl.match_hostname()
+    # only applies this normalization to IP addresses so it doesn't
+    # match DNS SANs so we do the same thing!
+    stripped_hostname = asserted_hostname.strip("u[]")
+    if is_ipaddress(stripped_hostname):
+        asserted_hostname = stripped_hostname
+
+    try:
+        match_hostname(cert, asserted_hostname)
+    except CertificateError as e:
+        log.warning(
+            "Certificate did not match expected hostname: %s. Certificate: %s",
+            asserted_hostname,
+            cert,
+        )
+        # Add cert to exception and reraise so client code can inspect
+        # the cert when catching the exception, if they want to
+        e._peer_cert = cert
+        raise
+
+
+def _get_default_user_agent():
+    return "python-urllib3/%s" % __version__
+
+
+class DummyConnection(object):
+    """Used to detect a failed ConnectionCls import."""
+
+    pass
+
+
+if not ssl:
+    HTTPSConnection = DummyConnection  # noqa: F811
+
+
+VerifiedHTTPSConnection = HTTPSConnection
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/connectionpool.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/connectionpool.py
new file mode 100644
index 0000000000000000000000000000000000000000..94d5ae7690c3bca7b469bb7f5f5965f381e6adf1
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/connectionpool.py
@@ -0,0 +1,1113 @@
+from __future__ import absolute_import
+
+import errno
+import logging
+import re
+import socket
+import sys
+import warnings
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+from ._collections import HTTPHeaderDict
+from .connection import (
+    BaseSSLError,
+    BrokenPipeError,
+    DummyConnection,
+    HTTPConnection,
+    HTTPException,
+    HTTPSConnection,
+    VerifiedHTTPSConnection,
+    port_by_scheme,
+)
+from .exceptions import (
+    ClosedPoolError,
+    EmptyPoolError,
+    HeaderParsingError,
+    HostChangedError,
+    InsecureRequestWarning,
+    LocationValueError,
+    MaxRetryError,
+    NewConnectionError,
+    ProtocolError,
+    ProxyError,
+    ReadTimeoutError,
+    SSLError,
+    TimeoutError,
+)
+from .packages import six
+from .packages.six.moves import queue
+from .request import RequestMethods
+from .response import HTTPResponse
+from .util.connection import is_connection_dropped
+from .util.proxy import connection_requires_http_tunnel
+from .util.queue import LifoQueue
+from .util.request import set_file_position
+from .util.response import assert_header_parsing
+from .util.retry import Retry
+from .util.ssl_match_hostname import CertificateError
+from .util.timeout import Timeout
+from .util.url import Url, _encode_target
+from .util.url import _normalize_host as normalize_host
+from .util.url import get_host, parse_url
+
+xrange = six.moves.xrange
+
+log = logging.getLogger(__name__)
+
+_Default = object()
+
+
+# Pool objects
+class ConnectionPool(object):
+    """
+    Base class for all connection pools, such as
+    :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`.
+
+    .. note::
+       ConnectionPool.urlopen() does not normalize or percent-encode target URIs
+       which is useful if your target server doesn't support percent-encoded
+       target URIs.
+    """
+
+    scheme = None
+    QueueCls = LifoQueue
+
+    def __init__(self, host, port=None):
+        if not host:
+            raise LocationValueError("No host specified.")
+
+        self.host = _normalize_host(host, scheme=self.scheme)
+        self._proxy_host = host.lower()
+        self.port = port
+
+    def __str__(self):
+        return "%s(host=%r, port=%r)" % (type(self).__name__, self.host, self.port)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.close()
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def close(self):
+        """
+        Close all pooled connections and disable the pool.
+        """
+        pass
+
+
+# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252
+_blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK}
+
+
+class HTTPConnectionPool(ConnectionPool, RequestMethods):
+    """
+    Thread-safe connection pool for one host.
+
+    :param host:
+        Host used for this HTTP Connection (e.g. "localhost"), passed into
+        :class:`http.client.HTTPConnection`.
+
+    :param port:
+        Port used for this HTTP Connection (None is equivalent to 80), passed
+        into :class:`http.client.HTTPConnection`.
+
+    :param strict:
+        Causes BadStatusLine to be raised if the status line can't be parsed
+        as a valid HTTP/1.0 or 1.1 status line, passed into
+        :class:`http.client.HTTPConnection`.
+
+        .. note::
+           Only works in Python 2. This parameter is ignored in Python 3.
+
+    :param timeout:
+        Socket timeout in seconds for each individual connection. This can
+        be a float or integer, which sets the timeout for the HTTP request,
+        or an instance of :class:`urllib3.util.Timeout` which gives you more
+        fine-grained control over request timeouts. After the constructor has
+        been parsed, this is always a `urllib3.util.Timeout` object.
+
+    :param maxsize:
+        Number of connections to save that can be reused. More than 1 is useful
+        in multithreaded situations. If ``block`` is set to False, more
+        connections will be created but they will not be saved once they've
+        been used.
+
+    :param block:
+        If set to True, no more than ``maxsize`` connections will be used at
+        a time. When no free connections are available, the call will block
+        until a connection has been released. This is a useful side effect for
+        particular multithreaded situations where one does not want to use more
+        than maxsize connections per host to prevent flooding.
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+
+    :param retries:
+        Retry configuration to use by default with requests in this pool.
+
+    :param _proxy:
+        Parsed proxy URL, should not be used directly, instead, see
+        :class:`urllib3.ProxyManager`
+
+    :param _proxy_headers:
+        A dictionary with proxy headers, should not be used directly,
+        instead, see :class:`urllib3.ProxyManager`
+
+    :param \\**conn_kw:
+        Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`,
+        :class:`urllib3.connection.HTTPSConnection` instances.
+    """
+
+    scheme = "http"
+    ConnectionCls = HTTPConnection
+    ResponseCls = HTTPResponse
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        strict=False,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        maxsize=1,
+        block=False,
+        headers=None,
+        retries=None,
+        _proxy=None,
+        _proxy_headers=None,
+        _proxy_config=None,
+        **conn_kw
+    ):
+        ConnectionPool.__init__(self, host, port)
+        RequestMethods.__init__(self, headers)
+
+        self.strict = strict
+
+        if not isinstance(timeout, Timeout):
+            timeout = Timeout.from_float(timeout)
+
+        if retries is None:
+            retries = Retry.DEFAULT
+
+        self.timeout = timeout
+        self.retries = retries
+
+        self.pool = self.QueueCls(maxsize)
+        self.block = block
+
+        self.proxy = _proxy
+        self.proxy_headers = _proxy_headers or {}
+        self.proxy_config = _proxy_config
+
+        # Fill the queue up so that doing get() on it will block properly
+        for _ in xrange(maxsize):
+            self.pool.put(None)
+
+        # These are mostly for testing and debugging purposes.
+        self.num_connections = 0
+        self.num_requests = 0
+        self.conn_kw = conn_kw
+
+        if self.proxy:
+            # Enable Nagle's algorithm for proxies, to avoid packet fragmentation.
+            # We cannot know if the user has added default socket options, so we cannot replace the
+            # list.
+            self.conn_kw.setdefault("socket_options", [])
+
+            self.conn_kw["proxy"] = self.proxy
+            self.conn_kw["proxy_config"] = self.proxy_config
+
+    def _new_conn(self):
+        """
+        Return a fresh :class:`HTTPConnection`.
+        """
+        self.num_connections += 1
+        log.debug(
+            "Starting new HTTP connection (%d): %s:%s",
+            self.num_connections,
+            self.host,
+            self.port or "80",
+        )
+
+        conn = self.ConnectionCls(
+            host=self.host,
+            port=self.port,
+            timeout=self.timeout.connect_timeout,
+            strict=self.strict,
+            **self.conn_kw
+        )
+        return conn
+
+    def _get_conn(self, timeout=None):
+        """
+        Get a connection. Will return a pooled connection if one is available.
+
+        If no connections are available and :prop:`.block` is ``False``, then a
+        fresh connection is returned.
+
+        :param timeout:
+            Seconds to wait before giving up and raising
+            :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and
+            :prop:`.block` is ``True``.
+        """
+        conn = None
+        try:
+            conn = self.pool.get(block=self.block, timeout=timeout)
+
+        except AttributeError:  # self.pool is None
+            raise ClosedPoolError(self, "Pool is closed.")
+
+        except queue.Empty:
+            if self.block:
+                raise EmptyPoolError(
+                    self,
+                    "Pool reached maximum size and no more connections are allowed.",
+                )
+            pass  # Oh well, we'll create a new connection then
+
+        # If this is a persistent connection, check if it got disconnected
+        if conn and is_connection_dropped(conn):
+            log.debug("Resetting dropped connection: %s", self.host)
+            conn.close()
+            if getattr(conn, "auto_open", 1) == 0:
+                # This is a proxied connection that has been mutated by
+                # http.client._tunnel() and cannot be reused (since it would
+                # attempt to bypass the proxy)
+                conn = None
+
+        return conn or self._new_conn()
+
+    def _put_conn(self, conn):
+        """
+        Put a connection back into the pool.
+
+        :param conn:
+            Connection object for the current host and port as returned by
+            :meth:`._new_conn` or :meth:`._get_conn`.
+
+        If the pool is already full, the connection is closed and discarded
+        because we exceeded maxsize. If connections are discarded frequently,
+        then maxsize should be increased.
+
+        If the pool is closed, then the connection will be closed and discarded.
+        """
+        try:
+            self.pool.put(conn, block=False)
+            return  # Everything is dandy, done.
+        except AttributeError:
+            # self.pool is None.
+            pass
+        except queue.Full:
+            # This should never happen if self.block == True
+            log.warning(
+                "Connection pool is full, discarding connection: %s. Connection pool size: %s",
+                self.host,
+                self.pool.qsize(),
+            )
+        # Connection never got put back into the pool, close it.
+        if conn:
+            conn.close()
+
+    def _validate_conn(self, conn):
+        """
+        Called right before a request is made, after the socket is created.
+        """
+        pass
+
+    def _prepare_proxy(self, conn):
+        # Nothing to do for HTTP connections.
+        pass
+
+    def _get_timeout(self, timeout):
+        """Helper that always returns a :class:`urllib3.util.Timeout`"""
+        if timeout is _Default:
+            return self.timeout.clone()
+
+        if isinstance(timeout, Timeout):
+            return timeout.clone()
+        else:
+            # User passed us an int/float. This is for backwards compatibility,
+            # can be removed later
+            return Timeout.from_float(timeout)
+
+    def _raise_timeout(self, err, url, timeout_value):
+        """Is the error actually a timeout? Will raise a ReadTimeout or pass"""
+
+        if isinstance(err, SocketTimeout):
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+        # See the above comment about EAGAIN in Python 3. In Python 2 we have
+        # to specifically catch it and throw the timeout error
+        if hasattr(err, "errno") and err.errno in _blocking_errnos:
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+        # Catch possible read timeouts thrown as SSL errors. If not the
+        # case, rethrow the original. We need to do this because of:
+        # http://bugs.python.org/issue10272
+        if "timed out" in str(err) or "did not complete (read)" in str(
+            err
+        ):  # Python < 2.7.4
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+    def _make_request(
+        self, conn, method, url, timeout=_Default, chunked=False, **httplib_request_kw
+    ):
+        """
+        Perform a request on a given urllib connection object taken from our
+        pool.
+
+        :param conn:
+            a connection from one of our connection pools
+
+        :param timeout:
+            Socket timeout in seconds for the request. This can be a
+            float or integer, which will set the same timeout value for
+            the socket connect and the socket read, or an instance of
+            :class:`urllib3.util.Timeout`, which gives you more fine-grained
+            control over your timeouts.
+        """
+        self.num_requests += 1
+
+        timeout_obj = self._get_timeout(timeout)
+        timeout_obj.start_connect()
+        conn.timeout = timeout_obj.connect_timeout
+
+        # Trigger any extra validation we need to do.
+        try:
+            self._validate_conn(conn)
+        except (SocketTimeout, BaseSSLError) as e:
+            # Py2 raises this as a BaseSSLError, Py3 raises it as socket timeout.
+            self._raise_timeout(err=e, url=url, timeout_value=conn.timeout)
+            raise
+
+        # conn.request() calls http.client.*.request, not the method in
+        # urllib3.request. It also calls makefile (recv) on the socket.
+        try:
+            if chunked:
+                conn.request_chunked(method, url, **httplib_request_kw)
+            else:
+                conn.request(method, url, **httplib_request_kw)
+
+        # We are swallowing BrokenPipeError (errno.EPIPE) since the server is
+        # legitimately able to close the connection after sending a valid response.
+        # With this behaviour, the received response is still readable.
+        except BrokenPipeError:
+            # Python 3
+            pass
+        except IOError as e:
+            # Python 2 and macOS/Linux
+            # EPIPE and ESHUTDOWN are BrokenPipeError on Python 2, and EPROTOTYPE is needed on macOS
+            # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/
+            if e.errno not in {
+                errno.EPIPE,
+                errno.ESHUTDOWN,
+                errno.EPROTOTYPE,
+            }:
+                raise
+
+        # Reset the timeout for the recv() on the socket
+        read_timeout = timeout_obj.read_timeout
+
+        # App Engine doesn't have a sock attr
+        if getattr(conn, "sock", None):
+            # In Python 3 socket.py will catch EAGAIN and return None when you
+            # try and read into the file pointer created by http.client, which
+            # instead raises a BadStatusLine exception. Instead of catching
+            # the exception and assuming all BadStatusLine exceptions are read
+            # timeouts, check for a zero timeout before making the request.
+            if read_timeout == 0:
+                raise ReadTimeoutError(
+                    self, url, "Read timed out. (read timeout=%s)" % read_timeout
+                )
+            if read_timeout is Timeout.DEFAULT_TIMEOUT:
+                conn.sock.settimeout(socket.getdefaulttimeout())
+            else:  # None or a value
+                conn.sock.settimeout(read_timeout)
+
+        # Receive the response from the server
+        try:
+            try:
+                # Python 2.7, use buffering of HTTP responses
+                httplib_response = conn.getresponse(buffering=True)
+            except TypeError:
+                # Python 3
+                try:
+                    httplib_response = conn.getresponse()
+                except BaseException as e:
+                    # Remove the TypeError from the exception chain in
+                    # Python 3 (including for exceptions like SystemExit).
+                    # Otherwise it looks like a bug in the code.
+                    six.raise_from(e, None)
+        except (SocketTimeout, BaseSSLError, SocketError) as e:
+            self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
+            raise
+
+        # AppEngine doesn't have a version attr.
+        http_version = getattr(conn, "_http_vsn_str", "HTTP/?")
+        log.debug(
+            '%s://%s:%s "%s %s %s" %s %s',
+            self.scheme,
+            self.host,
+            self.port,
+            method,
+            url,
+            http_version,
+            httplib_response.status,
+            httplib_response.length,
+        )
+
+        try:
+            assert_header_parsing(httplib_response.msg)
+        except (HeaderParsingError, TypeError) as hpe:  # Platform-specific: Python 3
+            log.warning(
+                "Failed to parse headers (url=%s): %s",
+                self._absolute_url(url),
+                hpe,
+                exc_info=True,
+            )
+
+        return httplib_response
+
+    def _absolute_url(self, path):
+        return Url(scheme=self.scheme, host=self.host, port=self.port, path=path).url
+
+    def close(self):
+        """
+        Close all pooled connections and disable the pool.
+        """
+        if self.pool is None:
+            return
+        # Disable access to the pool
+        old_pool, self.pool = self.pool, None
+
+        try:
+            while True:
+                conn = old_pool.get(block=False)
+                if conn:
+                    conn.close()
+
+        except queue.Empty:
+            pass  # Done.
+
+    def is_same_host(self, url):
+        """
+        Check if the given ``url`` is a member of the same host as this
+        connection pool.
+        """
+        if url.startswith("/"):
+            return True
+
+        # TODO: Add optional support for socket.gethostbyname checking.
+        scheme, host, port = get_host(url)
+        if host is not None:
+            host = _normalize_host(host, scheme=scheme)
+
+        # Use explicit default port for comparison when none is given
+        if self.port and not port:
+            port = port_by_scheme.get(scheme)
+        elif not self.port and port == port_by_scheme.get(scheme):
+            port = None
+
+        return (scheme, host, port) == (self.scheme, self.host, self.port)
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=None,
+        redirect=True,
+        assert_same_host=True,
+        timeout=_Default,
+        pool_timeout=None,
+        release_conn=None,
+        chunked=False,
+        body_pos=None,
+        **response_kw
+    ):
+        """
+        Get a connection from the pool and perform an HTTP request. This is the
+        lowest level call for making a request, so you'll need to specify all
+        the raw details.
+
+        .. note::
+
+           More commonly, it's appropriate to use a convenience method provided
+           by :class:`.RequestMethods`, such as :meth:`request`.
+
+        .. note::
+
+           `release_conn` will only behave as expected if
+           `preload_content=False` because we want to make
+           `preload_content=False` the default behaviour someday soon without
+           breaking backwards compatibility.
+
+        :param method:
+            HTTP request method (such as GET, POST, PUT, etc.)
+
+        :param url:
+            The URL to perform the request on.
+
+        :param body:
+            Data to send in the request body, either :class:`str`, :class:`bytes`,
+            an iterable of :class:`str`/:class:`bytes`, or a file-like object.
+
+        :param headers:
+            Dictionary of custom headers to send, such as User-Agent,
+            If-None-Match, etc. If None, pool headers are used. If provided,
+            these headers completely replace any pool-specific headers.
+
+        :param retries:
+            Configure the number of retries to allow before raising a
+            :class:`~urllib3.exceptions.MaxRetryError` exception.
+
+            Pass ``None`` to retry until you receive a response. Pass a
+            :class:`~urllib3.util.retry.Retry` object for fine-grained control
+            over different types of retries.
+            Pass an integer number to retry connection errors that many times,
+            but no other types of errors. Pass zero to never retry.
+
+            If ``False``, then retries are disabled and any exception is raised
+            immediately. Also, instead of raising a MaxRetryError on redirects,
+            the redirect response will be returned.
+
+        :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int.
+
+        :param redirect:
+            If True, automatically handle redirects (status codes 301, 302,
+            303, 307, 308). Each redirect counts as a retry. Disabling retries
+            will disable redirect, too.
+
+        :param assert_same_host:
+            If ``True``, will make sure that the host of the pool requests is
+            consistent else will raise HostChangedError. When ``False``, you can
+            use the pool on an HTTP proxy and request foreign hosts.
+
+        :param timeout:
+            If specified, overrides the default timeout for this one
+            request. It may be a float (in seconds) or an instance of
+            :class:`urllib3.util.Timeout`.
+
+        :param pool_timeout:
+            If set and the pool is set to block=True, then this method will
+            block for ``pool_timeout`` seconds and raise EmptyPoolError if no
+            connection is available within the time period.
+
+        :param release_conn:
+            If False, then the urlopen call will not release the connection
+            back into the pool once a response is received (but will release if
+            you read the entire contents of the response such as when
+            `preload_content=True`). This is useful if you're not preloading
+            the response's content immediately. You will need to call
+            ``r.release_conn()`` on the response ``r`` to return the connection
+            back into the pool. If None, it takes the value of
+            ``response_kw.get('preload_content', True)``.
+
+        :param chunked:
+            If True, urllib3 will send the body using chunked transfer
+            encoding. Otherwise, urllib3 will send the body using the standard
+            content-length form. Defaults to False.
+
+        :param int body_pos:
+            Position to seek to in file-like body in the event of a retry or
+            redirect. Typically this won't need to be set because urllib3 will
+            auto-populate the value when needed.
+
+        :param \\**response_kw:
+            Additional parameters are passed to
+            :meth:`urllib3.response.HTTPResponse.from_httplib`
+        """
+
+        parsed_url = parse_url(url)
+        destination_scheme = parsed_url.scheme
+
+        if headers is None:
+            headers = self.headers
+
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
+
+        if release_conn is None:
+            release_conn = response_kw.get("preload_content", True)
+
+        # Check host
+        if assert_same_host and not self.is_same_host(url):
+            raise HostChangedError(self, url, retries)
+
+        # Ensure that the URL we're connecting to is properly encoded
+        if url.startswith("/"):
+            url = six.ensure_str(_encode_target(url))
+        else:
+            url = six.ensure_str(parsed_url.url)
+
+        conn = None
+
+        # Track whether `conn` needs to be released before
+        # returning/raising/recursing. Update this variable if necessary, and
+        # leave `release_conn` constant throughout the function. That way, if
+        # the function recurses, the original value of `release_conn` will be
+        # passed down into the recursive call, and its value will be respected.
+        #
+        # See issue #651 [1] for details.
+        #
+        # [1] <https://github.com/urllib3/urllib3/issues/651>
+        release_this_conn = release_conn
+
+        http_tunnel_required = connection_requires_http_tunnel(
+            self.proxy, self.proxy_config, destination_scheme
+        )
+
+        # Merge the proxy headers. Only done when not using HTTP CONNECT. We
+        # have to copy the headers dict so we can safely change it without those
+        # changes being reflected in anyone else's copy.
+        if not http_tunnel_required:
+            headers = headers.copy()
+            headers.update(self.proxy_headers)
+
+        # Must keep the exception bound to a separate variable or else Python 3
+        # complains about UnboundLocalError.
+        err = None
+
+        # Keep track of whether we cleanly exited the except block. This
+        # ensures we do proper cleanup in finally.
+        clean_exit = False
+
+        # Rewind body position, if needed. Record current position
+        # for future rewinds in the event of a redirect/retry.
+        body_pos = set_file_position(body, body_pos)
+
+        try:
+            # Request a connection from the queue.
+            timeout_obj = self._get_timeout(timeout)
+            conn = self._get_conn(timeout=pool_timeout)
+
+            conn.timeout = timeout_obj.connect_timeout
+
+            is_new_proxy_conn = self.proxy is not None and not getattr(
+                conn, "sock", None
+            )
+            if is_new_proxy_conn and http_tunnel_required:
+                self._prepare_proxy(conn)
+
+            # Make the request on the httplib connection object.
+            httplib_response = self._make_request(
+                conn,
+                method,
+                url,
+                timeout=timeout_obj,
+                body=body,
+                headers=headers,
+                chunked=chunked,
+            )
+
+            # If we're going to release the connection in ``finally:``, then
+            # the response doesn't need to know about the connection. Otherwise
+            # it will also try to release it and we'll have a double-release
+            # mess.
+            response_conn = conn if not release_conn else None
+
+            # Pass method to Response for length checking
+            response_kw["request_method"] = method
+
+            # Import httplib's response into our own wrapper object
+            response = self.ResponseCls.from_httplib(
+                httplib_response,
+                pool=self,
+                connection=response_conn,
+                retries=retries,
+                **response_kw
+            )
+
+            # Everything went great!
+            clean_exit = True
+
+        except EmptyPoolError:
+            # Didn't get a connection from the pool, no need to clean up
+            clean_exit = True
+            release_this_conn = False
+            raise
+
+        except (
+            TimeoutError,
+            HTTPException,
+            SocketError,
+            ProtocolError,
+            BaseSSLError,
+            SSLError,
+            CertificateError,
+        ) as e:
+            # Discard the connection for these exceptions. It will be
+            # replaced during the next _get_conn() call.
+            clean_exit = False
+
+            def _is_ssl_error_message_from_http_proxy(ssl_error):
+                # We're trying to detect the message 'WRONG_VERSION_NUMBER' but
+                # SSLErrors are kinda all over the place when it comes to the message,
+                # so we try to cover our bases here!
+                message = " ".join(re.split("[^a-z]", str(ssl_error).lower()))
+                return (
+                    "wrong version number" in message or "unknown protocol" in message
+                )
+
+            # Try to detect a common user error with proxies which is to
+            # set an HTTP proxy to be HTTPS when it should be 'http://'
+            # (ie {'http': 'http://proxy', 'https': 'https://proxy'})
+            # Instead we add a nice error message and point to a URL.
+            if (
+                isinstance(e, BaseSSLError)
+                and self.proxy
+                and _is_ssl_error_message_from_http_proxy(e)
+            ):
+                e = ProxyError(
+                    "Your proxy appears to only use HTTP and not HTTPS, "
+                    "try changing your proxy URL to be HTTP. See: "
+                    "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                    "#https-proxy-error-http-proxy",
+                    SSLError(e),
+                )
+            elif isinstance(e, (BaseSSLError, CertificateError)):
+                e = SSLError(e)
+            elif isinstance(e, (SocketError, NewConnectionError)) and self.proxy:
+                e = ProxyError("Cannot connect to proxy.", e)
+            elif isinstance(e, (SocketError, HTTPException)):
+                e = ProtocolError("Connection aborted.", e)
+
+            retries = retries.increment(
+                method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
+            )
+            retries.sleep()
+
+            # Keep track of the error for the retry warning.
+            err = e
+
+        finally:
+            if not clean_exit:
+                # We hit some kind of exception, handled or otherwise. We need
+                # to throw the connection away unless explicitly told not to.
+                # Close the connection, set the variable to None, and make sure
+                # we put the None back in the pool to avoid leaking it.
+                conn = conn and conn.close()
+                release_this_conn = True
+
+            if release_this_conn:
+                # Put the connection back to be reused. If the connection is
+                # expired then it will be None, which will get replaced with a
+                # fresh connection during _get_conn.
+                self._put_conn(conn)
+
+        if not conn:
+            # Try again
+            log.warning(
+                "Retrying (%r) after connection broken by '%r': %s", retries, err, url
+            )
+            return self.urlopen(
+                method,
+                url,
+                body,
+                headers,
+                retries,
+                redirect,
+                assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        # Handle redirect?
+        redirect_location = redirect and response.get_redirect_location()
+        if redirect_location:
+            if response.status == 303:
+                # Change the method according to RFC 9110, Section 15.4.4.
+                method = "GET"
+                # And lose the body not to transfer anything sensitive.
+                body = None
+                headers = HTTPHeaderDict(headers)._prepare_for_method_change()
+
+            try:
+                retries = retries.increment(method, url, response=response, _pool=self)
+            except MaxRetryError:
+                if retries.raise_on_redirect:
+                    response.drain_conn()
+                    raise
+                return response
+
+            response.drain_conn()
+            retries.sleep_for_retry(response)
+            log.debug("Redirecting %s -> %s", url, redirect_location)
+            return self.urlopen(
+                method,
+                redirect_location,
+                body,
+                headers,
+                retries=retries,
+                redirect=redirect,
+                assert_same_host=assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        # Check if we should retry the HTTP response.
+        has_retry_after = bool(response.getheader("Retry-After"))
+        if retries.is_retry(method, response.status, has_retry_after):
+            try:
+                retries = retries.increment(method, url, response=response, _pool=self)
+            except MaxRetryError:
+                if retries.raise_on_status:
+                    response.drain_conn()
+                    raise
+                return response
+
+            response.drain_conn()
+            retries.sleep(response)
+            log.debug("Retry: %s", url)
+            return self.urlopen(
+                method,
+                url,
+                body,
+                headers,
+                retries=retries,
+                redirect=redirect,
+                assert_same_host=assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        return response
+
+
+class HTTPSConnectionPool(HTTPConnectionPool):
+    """
+    Same as :class:`.HTTPConnectionPool`, but HTTPS.
+
+    :class:`.HTTPSConnection` uses one of ``assert_fingerprint``,
+    ``assert_hostname`` and ``host`` in this order to verify connections.
+    If ``assert_hostname`` is False, no verification is done.
+
+    The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``,
+    ``ca_cert_dir``, ``ssl_version``, ``key_password`` are only used if :mod:`ssl`
+    is available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade
+    the connection socket into an SSL socket.
+    """
+
+    scheme = "https"
+    ConnectionCls = HTTPSConnection
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        strict=False,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        maxsize=1,
+        block=False,
+        headers=None,
+        retries=None,
+        _proxy=None,
+        _proxy_headers=None,
+        key_file=None,
+        cert_file=None,
+        cert_reqs=None,
+        key_password=None,
+        ca_certs=None,
+        ssl_version=None,
+        assert_hostname=None,
+        assert_fingerprint=None,
+        ca_cert_dir=None,
+        **conn_kw
+    ):
+
+        HTTPConnectionPool.__init__(
+            self,
+            host,
+            port,
+            strict,
+            timeout,
+            maxsize,
+            block,
+            headers,
+            retries,
+            _proxy,
+            _proxy_headers,
+            **conn_kw
+        )
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.cert_reqs = cert_reqs
+        self.key_password = key_password
+        self.ca_certs = ca_certs
+        self.ca_cert_dir = ca_cert_dir
+        self.ssl_version = ssl_version
+        self.assert_hostname = assert_hostname
+        self.assert_fingerprint = assert_fingerprint
+
+    def _prepare_conn(self, conn):
+        """
+        Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket`
+        and establish the tunnel if proxy is used.
+        """
+
+        if isinstance(conn, VerifiedHTTPSConnection):
+            conn.set_cert(
+                key_file=self.key_file,
+                key_password=self.key_password,
+                cert_file=self.cert_file,
+                cert_reqs=self.cert_reqs,
+                ca_certs=self.ca_certs,
+                ca_cert_dir=self.ca_cert_dir,
+                assert_hostname=self.assert_hostname,
+                assert_fingerprint=self.assert_fingerprint,
+            )
+            conn.ssl_version = self.ssl_version
+        return conn
+
+    def _prepare_proxy(self, conn):
+        """
+        Establishes a tunnel connection through HTTP CONNECT.
+
+        Tunnel connection is established early because otherwise httplib would
+        improperly set Host: header to proxy's IP:port.
+        """
+
+        conn.set_tunnel(self._proxy_host, self.port, self.proxy_headers)
+
+        if self.proxy.scheme == "https":
+            conn.tls_in_tls_required = True
+
+        conn.connect()
+
+    def _new_conn(self):
+        """
+        Return a fresh :class:`http.client.HTTPSConnection`.
+        """
+        self.num_connections += 1
+        log.debug(
+            "Starting new HTTPS connection (%d): %s:%s",
+            self.num_connections,
+            self.host,
+            self.port or "443",
+        )
+
+        if not self.ConnectionCls or self.ConnectionCls is DummyConnection:
+            raise SSLError(
+                "Can't connect to HTTPS URL because the SSL module is not available."
+            )
+
+        actual_host = self.host
+        actual_port = self.port
+        if self.proxy is not None:
+            actual_host = self.proxy.host
+            actual_port = self.proxy.port
+
+        conn = self.ConnectionCls(
+            host=actual_host,
+            port=actual_port,
+            timeout=self.timeout.connect_timeout,
+            strict=self.strict,
+            cert_file=self.cert_file,
+            key_file=self.key_file,
+            key_password=self.key_password,
+            **self.conn_kw
+        )
+
+        return self._prepare_conn(conn)
+
+    def _validate_conn(self, conn):
+        """
+        Called right before a request is made, after the socket is created.
+        """
+        super(HTTPSConnectionPool, self)._validate_conn(conn)
+
+        # Force connect early to allow us to validate the connection.
+        if not getattr(conn, "sock", None):  # AppEngine might not have  `.sock`
+            conn.connect()
+
+        if not conn.is_verified:
+            warnings.warn(
+                (
+                    "Unverified HTTPS request is being made to host '%s'. "
+                    "Adding certificate verification is strongly advised. See: "
+                    "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                    "#ssl-warnings" % conn.host
+                ),
+                InsecureRequestWarning,
+            )
+
+        if getattr(conn, "proxy_is_verified", None) is False:
+            warnings.warn(
+                (
+                    "Unverified HTTPS connection done to an HTTPS proxy. "
+                    "Adding certificate verification is strongly advised. See: "
+                    "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                    "#ssl-warnings"
+                ),
+                InsecureRequestWarning,
+            )
+
+
+def connection_from_url(url, **kw):
+    """
+    Given a url, return an :class:`.ConnectionPool` instance of its host.
+
+    This is a shortcut for not having to parse out the scheme, host, and port
+    of the url before creating an :class:`.ConnectionPool` instance.
+
+    :param url:
+        Absolute URL string that must include the scheme. Port is optional.
+
+    :param \\**kw:
+        Passes additional parameters to the constructor of the appropriate
+        :class:`.ConnectionPool`. Useful for specifying things like
+        timeout, maxsize, headers, etc.
+
+    Example::
+
+        >>> conn = connection_from_url('http://google.com/')
+        >>> r = conn.request('GET', '/')
+    """
+    scheme, host, port = get_host(url)
+    port = port or port_by_scheme.get(scheme, 80)
+    if scheme == "https":
+        return HTTPSConnectionPool(host, port=port, **kw)
+    else:
+        return HTTPConnectionPool(host, port=port, **kw)
+
+
+def _normalize_host(host, scheme):
+    """
+    Normalize hosts for comparisons and use with sockets.
+    """
+
+    host = normalize_host(host, scheme)
+
+    # httplib doesn't like it when we include brackets in IPv6 addresses
+    # Specifically, if we include brackets but also pass the port then
+    # httplib crazily doubles up the square brackets on the Host header.
+    # Instead, we need to make sure we never pass ``None`` as the port.
+    # However, for backward compatibility reasons we can't actually
+    # *assert* that.  See http://bugs.python.org/issue28539
+    if host.startswith("[") and host.endswith("]"):
+        host = host[1:-1]
+    return host
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/__init__.py
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/_appengine_environ.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/_appengine_environ.py
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index 0000000000000000000000000000000000000000..8765b907d70c4a530bc90dc88f24b3df73473b01
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/_appengine_environ.py
@@ -0,0 +1,36 @@
+"""
+This module provides means to detect the App Engine environment.
+"""
+
+import os
+
+
+def is_appengine():
+    return is_local_appengine() or is_prod_appengine()
+
+
+def is_appengine_sandbox():
+    """Reports if the app is running in the first generation sandbox.
+
+    The second generation runtimes are technically still in a sandbox, but it
+    is much less restrictive, so generally you shouldn't need to check for it.
+    see https://cloud.google.com/appengine/docs/standard/runtimes
+    """
+    return is_appengine() and os.environ["APPENGINE_RUNTIME"] == "python27"
+
+
+def is_local_appengine():
+    return "APPENGINE_RUNTIME" in os.environ and os.environ.get(
+        "SERVER_SOFTWARE", ""
+    ).startswith("Development/")
+
+
+def is_prod_appengine():
+    return "APPENGINE_RUNTIME" in os.environ and os.environ.get(
+        "SERVER_SOFTWARE", ""
+    ).startswith("Google App Engine/")
+
+
+def is_prod_appengine_mvms():
+    """Deprecated."""
+    return False
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--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/_securetransport/bindings.py
@@ -0,0 +1,519 @@
+"""
+This module uses ctypes to bind a whole bunch of functions and constants from
+SecureTransport. The goal here is to provide the low-level API to
+SecureTransport. These are essentially the C-level functions and constants, and
+they're pretty gross to work with.
+
+This code is a bastardised version of the code found in Will Bond's oscrypto
+library. An enormous debt is owed to him for blazing this trail for us. For
+that reason, this code should be considered to be covered both by urllib3's
+license and by oscrypto's:
+
+    Copyright (c) 2015-2016 Will Bond <will@wbond.net>
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+"""
+from __future__ import absolute_import
+
+import platform
+from ctypes import (
+    CDLL,
+    CFUNCTYPE,
+    POINTER,
+    c_bool,
+    c_byte,
+    c_char_p,
+    c_int32,
+    c_long,
+    c_size_t,
+    c_uint32,
+    c_ulong,
+    c_void_p,
+)
+from ctypes.util import find_library
+
+from ...packages.six import raise_from
+
+if platform.system() != "Darwin":
+    raise ImportError("Only macOS is supported")
+
+version = platform.mac_ver()[0]
+version_info = tuple(map(int, version.split(".")))
+if version_info < (10, 8):
+    raise OSError(
+        "Only OS X 10.8 and newer are supported, not %s.%s"
+        % (version_info[0], version_info[1])
+    )
+
+
+def load_cdll(name, macos10_16_path):
+    """Loads a CDLL by name, falling back to known path on 10.16+"""
+    try:
+        # Big Sur is technically 11 but we use 10.16 due to the Big Sur
+        # beta being labeled as 10.16.
+        if version_info >= (10, 16):
+            path = macos10_16_path
+        else:
+            path = find_library(name)
+        if not path:
+            raise OSError  # Caught and reraised as 'ImportError'
+        return CDLL(path, use_errno=True)
+    except OSError:
+        raise_from(ImportError("The library %s failed to load" % name), None)
+
+
+Security = load_cdll(
+    "Security", "/System/Library/Frameworks/Security.framework/Security"
+)
+CoreFoundation = load_cdll(
+    "CoreFoundation",
+    "/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation",
+)
+
+
+Boolean = c_bool
+CFIndex = c_long
+CFStringEncoding = c_uint32
+CFData = c_void_p
+CFString = c_void_p
+CFArray = c_void_p
+CFMutableArray = c_void_p
+CFDictionary = c_void_p
+CFError = c_void_p
+CFType = c_void_p
+CFTypeID = c_ulong
+
+CFTypeRef = POINTER(CFType)
+CFAllocatorRef = c_void_p
+
+OSStatus = c_int32
+
+CFDataRef = POINTER(CFData)
+CFStringRef = POINTER(CFString)
+CFArrayRef = POINTER(CFArray)
+CFMutableArrayRef = POINTER(CFMutableArray)
+CFDictionaryRef = POINTER(CFDictionary)
+CFArrayCallBacks = c_void_p
+CFDictionaryKeyCallBacks = c_void_p
+CFDictionaryValueCallBacks = c_void_p
+
+SecCertificateRef = POINTER(c_void_p)
+SecExternalFormat = c_uint32
+SecExternalItemType = c_uint32
+SecIdentityRef = POINTER(c_void_p)
+SecItemImportExportFlags = c_uint32
+SecItemImportExportKeyParameters = c_void_p
+SecKeychainRef = POINTER(c_void_p)
+SSLProtocol = c_uint32
+SSLCipherSuite = c_uint32
+SSLContextRef = POINTER(c_void_p)
+SecTrustRef = POINTER(c_void_p)
+SSLConnectionRef = c_uint32
+SecTrustResultType = c_uint32
+SecTrustOptionFlags = c_uint32
+SSLProtocolSide = c_uint32
+SSLConnectionType = c_uint32
+SSLSessionOption = c_uint32
+
+
+try:
+    Security.SecItemImport.argtypes = [
+        CFDataRef,
+        CFStringRef,
+        POINTER(SecExternalFormat),
+        POINTER(SecExternalItemType),
+        SecItemImportExportFlags,
+        POINTER(SecItemImportExportKeyParameters),
+        SecKeychainRef,
+        POINTER(CFArrayRef),
+    ]
+    Security.SecItemImport.restype = OSStatus
+
+    Security.SecCertificateGetTypeID.argtypes = []
+    Security.SecCertificateGetTypeID.restype = CFTypeID
+
+    Security.SecIdentityGetTypeID.argtypes = []
+    Security.SecIdentityGetTypeID.restype = CFTypeID
+
+    Security.SecKeyGetTypeID.argtypes = []
+    Security.SecKeyGetTypeID.restype = CFTypeID
+
+    Security.SecCertificateCreateWithData.argtypes = [CFAllocatorRef, CFDataRef]
+    Security.SecCertificateCreateWithData.restype = SecCertificateRef
+
+    Security.SecCertificateCopyData.argtypes = [SecCertificateRef]
+    Security.SecCertificateCopyData.restype = CFDataRef
+
+    Security.SecCopyErrorMessageString.argtypes = [OSStatus, c_void_p]
+    Security.SecCopyErrorMessageString.restype = CFStringRef
+
+    Security.SecIdentityCreateWithCertificate.argtypes = [
+        CFTypeRef,
+        SecCertificateRef,
+        POINTER(SecIdentityRef),
+    ]
+    Security.SecIdentityCreateWithCertificate.restype = OSStatus
+
+    Security.SecKeychainCreate.argtypes = [
+        c_char_p,
+        c_uint32,
+        c_void_p,
+        Boolean,
+        c_void_p,
+        POINTER(SecKeychainRef),
+    ]
+    Security.SecKeychainCreate.restype = OSStatus
+
+    Security.SecKeychainDelete.argtypes = [SecKeychainRef]
+    Security.SecKeychainDelete.restype = OSStatus
+
+    Security.SecPKCS12Import.argtypes = [
+        CFDataRef,
+        CFDictionaryRef,
+        POINTER(CFArrayRef),
+    ]
+    Security.SecPKCS12Import.restype = OSStatus
+
+    SSLReadFunc = CFUNCTYPE(OSStatus, SSLConnectionRef, c_void_p, POINTER(c_size_t))
+    SSLWriteFunc = CFUNCTYPE(
+        OSStatus, SSLConnectionRef, POINTER(c_byte), POINTER(c_size_t)
+    )
+
+    Security.SSLSetIOFuncs.argtypes = [SSLContextRef, SSLReadFunc, SSLWriteFunc]
+    Security.SSLSetIOFuncs.restype = OSStatus
+
+    Security.SSLSetPeerID.argtypes = [SSLContextRef, c_char_p, c_size_t]
+    Security.SSLSetPeerID.restype = OSStatus
+
+    Security.SSLSetCertificate.argtypes = [SSLContextRef, CFArrayRef]
+    Security.SSLSetCertificate.restype = OSStatus
+
+    Security.SSLSetCertificateAuthorities.argtypes = [SSLContextRef, CFTypeRef, Boolean]
+    Security.SSLSetCertificateAuthorities.restype = OSStatus
+
+    Security.SSLSetConnection.argtypes = [SSLContextRef, SSLConnectionRef]
+    Security.SSLSetConnection.restype = OSStatus
+
+    Security.SSLSetPeerDomainName.argtypes = [SSLContextRef, c_char_p, c_size_t]
+    Security.SSLSetPeerDomainName.restype = OSStatus
+
+    Security.SSLHandshake.argtypes = [SSLContextRef]
+    Security.SSLHandshake.restype = OSStatus
+
+    Security.SSLRead.argtypes = [SSLContextRef, c_char_p, c_size_t, POINTER(c_size_t)]
+    Security.SSLRead.restype = OSStatus
+
+    Security.SSLWrite.argtypes = [SSLContextRef, c_char_p, c_size_t, POINTER(c_size_t)]
+    Security.SSLWrite.restype = OSStatus
+
+    Security.SSLClose.argtypes = [SSLContextRef]
+    Security.SSLClose.restype = OSStatus
+
+    Security.SSLGetNumberSupportedCiphers.argtypes = [SSLContextRef, POINTER(c_size_t)]
+    Security.SSLGetNumberSupportedCiphers.restype = OSStatus
+
+    Security.SSLGetSupportedCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        POINTER(c_size_t),
+    ]
+    Security.SSLGetSupportedCiphers.restype = OSStatus
+
+    Security.SSLSetEnabledCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        c_size_t,
+    ]
+    Security.SSLSetEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetNumberEnabledCiphers.argtype = [SSLContextRef, POINTER(c_size_t)]
+    Security.SSLGetNumberEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetEnabledCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        POINTER(c_size_t),
+    ]
+    Security.SSLGetEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetNegotiatedCipher.argtypes = [SSLContextRef, POINTER(SSLCipherSuite)]
+    Security.SSLGetNegotiatedCipher.restype = OSStatus
+
+    Security.SSLGetNegotiatedProtocolVersion.argtypes = [
+        SSLContextRef,
+        POINTER(SSLProtocol),
+    ]
+    Security.SSLGetNegotiatedProtocolVersion.restype = OSStatus
+
+    Security.SSLCopyPeerTrust.argtypes = [SSLContextRef, POINTER(SecTrustRef)]
+    Security.SSLCopyPeerTrust.restype = OSStatus
+
+    Security.SecTrustSetAnchorCertificates.argtypes = [SecTrustRef, CFArrayRef]
+    Security.SecTrustSetAnchorCertificates.restype = OSStatus
+
+    Security.SecTrustSetAnchorCertificatesOnly.argstypes = [SecTrustRef, Boolean]
+    Security.SecTrustSetAnchorCertificatesOnly.restype = OSStatus
+
+    Security.SecTrustEvaluate.argtypes = [SecTrustRef, POINTER(SecTrustResultType)]
+    Security.SecTrustEvaluate.restype = OSStatus
+
+    Security.SecTrustGetCertificateCount.argtypes = [SecTrustRef]
+    Security.SecTrustGetCertificateCount.restype = CFIndex
+
+    Security.SecTrustGetCertificateAtIndex.argtypes = [SecTrustRef, CFIndex]
+    Security.SecTrustGetCertificateAtIndex.restype = SecCertificateRef
+
+    Security.SSLCreateContext.argtypes = [
+        CFAllocatorRef,
+        SSLProtocolSide,
+        SSLConnectionType,
+    ]
+    Security.SSLCreateContext.restype = SSLContextRef
+
+    Security.SSLSetSessionOption.argtypes = [SSLContextRef, SSLSessionOption, Boolean]
+    Security.SSLSetSessionOption.restype = OSStatus
+
+    Security.SSLSetProtocolVersionMin.argtypes = [SSLContextRef, SSLProtocol]
+    Security.SSLSetProtocolVersionMin.restype = OSStatus
+
+    Security.SSLSetProtocolVersionMax.argtypes = [SSLContextRef, SSLProtocol]
+    Security.SSLSetProtocolVersionMax.restype = OSStatus
+
+    try:
+        Security.SSLSetALPNProtocols.argtypes = [SSLContextRef, CFArrayRef]
+        Security.SSLSetALPNProtocols.restype = OSStatus
+    except AttributeError:
+        # Supported only in 10.12+
+        pass
+
+    Security.SecCopyErrorMessageString.argtypes = [OSStatus, c_void_p]
+    Security.SecCopyErrorMessageString.restype = CFStringRef
+
+    Security.SSLReadFunc = SSLReadFunc
+    Security.SSLWriteFunc = SSLWriteFunc
+    Security.SSLContextRef = SSLContextRef
+    Security.SSLProtocol = SSLProtocol
+    Security.SSLCipherSuite = SSLCipherSuite
+    Security.SecIdentityRef = SecIdentityRef
+    Security.SecKeychainRef = SecKeychainRef
+    Security.SecTrustRef = SecTrustRef
+    Security.SecTrustResultType = SecTrustResultType
+    Security.SecExternalFormat = SecExternalFormat
+    Security.OSStatus = OSStatus
+
+    Security.kSecImportExportPassphrase = CFStringRef.in_dll(
+        Security, "kSecImportExportPassphrase"
+    )
+    Security.kSecImportItemIdentity = CFStringRef.in_dll(
+        Security, "kSecImportItemIdentity"
+    )
+
+    # CoreFoundation time!
+    CoreFoundation.CFRetain.argtypes = [CFTypeRef]
+    CoreFoundation.CFRetain.restype = CFTypeRef
+
+    CoreFoundation.CFRelease.argtypes = [CFTypeRef]
+    CoreFoundation.CFRelease.restype = None
+
+    CoreFoundation.CFGetTypeID.argtypes = [CFTypeRef]
+    CoreFoundation.CFGetTypeID.restype = CFTypeID
+
+    CoreFoundation.CFStringCreateWithCString.argtypes = [
+        CFAllocatorRef,
+        c_char_p,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringCreateWithCString.restype = CFStringRef
+
+    CoreFoundation.CFStringGetCStringPtr.argtypes = [CFStringRef, CFStringEncoding]
+    CoreFoundation.CFStringGetCStringPtr.restype = c_char_p
+
+    CoreFoundation.CFStringGetCString.argtypes = [
+        CFStringRef,
+        c_char_p,
+        CFIndex,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringGetCString.restype = c_bool
+
+    CoreFoundation.CFDataCreate.argtypes = [CFAllocatorRef, c_char_p, CFIndex]
+    CoreFoundation.CFDataCreate.restype = CFDataRef
+
+    CoreFoundation.CFDataGetLength.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetLength.restype = CFIndex
+
+    CoreFoundation.CFDataGetBytePtr.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetBytePtr.restype = c_void_p
+
+    CoreFoundation.CFDictionaryCreate.argtypes = [
+        CFAllocatorRef,
+        POINTER(CFTypeRef),
+        POINTER(CFTypeRef),
+        CFIndex,
+        CFDictionaryKeyCallBacks,
+        CFDictionaryValueCallBacks,
+    ]
+    CoreFoundation.CFDictionaryCreate.restype = CFDictionaryRef
+
+    CoreFoundation.CFDictionaryGetValue.argtypes = [CFDictionaryRef, CFTypeRef]
+    CoreFoundation.CFDictionaryGetValue.restype = CFTypeRef
+
+    CoreFoundation.CFArrayCreate.argtypes = [
+        CFAllocatorRef,
+        POINTER(CFTypeRef),
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreate.restype = CFArrayRef
+
+    CoreFoundation.CFArrayCreateMutable.argtypes = [
+        CFAllocatorRef,
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreateMutable.restype = CFMutableArrayRef
+
+    CoreFoundation.CFArrayAppendValue.argtypes = [CFMutableArrayRef, c_void_p]
+    CoreFoundation.CFArrayAppendValue.restype = None
+
+    CoreFoundation.CFArrayGetCount.argtypes = [CFArrayRef]
+    CoreFoundation.CFArrayGetCount.restype = CFIndex
+
+    CoreFoundation.CFArrayGetValueAtIndex.argtypes = [CFArrayRef, CFIndex]
+    CoreFoundation.CFArrayGetValueAtIndex.restype = c_void_p
+
+    CoreFoundation.kCFAllocatorDefault = CFAllocatorRef.in_dll(
+        CoreFoundation, "kCFAllocatorDefault"
+    )
+    CoreFoundation.kCFTypeArrayCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeArrayCallBacks"
+    )
+    CoreFoundation.kCFTypeDictionaryKeyCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeDictionaryKeyCallBacks"
+    )
+    CoreFoundation.kCFTypeDictionaryValueCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeDictionaryValueCallBacks"
+    )
+
+    CoreFoundation.CFTypeRef = CFTypeRef
+    CoreFoundation.CFArrayRef = CFArrayRef
+    CoreFoundation.CFStringRef = CFStringRef
+    CoreFoundation.CFDictionaryRef = CFDictionaryRef
+
+except (AttributeError):
+    raise ImportError("Error initializing ctypes")
+
+
+class CFConst(object):
+    """
+    A class object that acts as essentially a namespace for CoreFoundation
+    constants.
+    """
+
+    kCFStringEncodingUTF8 = CFStringEncoding(0x08000100)
+
+
+class SecurityConst(object):
+    """
+    A class object that acts as essentially a namespace for Security constants.
+    """
+
+    kSSLSessionOptionBreakOnServerAuth = 0
+
+    kSSLProtocol2 = 1
+    kSSLProtocol3 = 2
+    kTLSProtocol1 = 4
+    kTLSProtocol11 = 7
+    kTLSProtocol12 = 8
+    # SecureTransport does not support TLS 1.3 even if there's a constant for it
+    kTLSProtocol13 = 10
+    kTLSProtocolMaxSupported = 999
+
+    kSSLClientSide = 1
+    kSSLStreamType = 0
+
+    kSecFormatPEMSequence = 10
+
+    kSecTrustResultInvalid = 0
+    kSecTrustResultProceed = 1
+    # This gap is present on purpose: this was kSecTrustResultConfirm, which
+    # is deprecated.
+    kSecTrustResultDeny = 3
+    kSecTrustResultUnspecified = 4
+    kSecTrustResultRecoverableTrustFailure = 5
+    kSecTrustResultFatalTrustFailure = 6
+    kSecTrustResultOtherError = 7
+
+    errSSLProtocol = -9800
+    errSSLWouldBlock = -9803
+    errSSLClosedGraceful = -9805
+    errSSLClosedNoNotify = -9816
+    errSSLClosedAbort = -9806
+
+    errSSLXCertChainInvalid = -9807
+    errSSLCrypto = -9809
+    errSSLInternal = -9810
+    errSSLCertExpired = -9814
+    errSSLCertNotYetValid = -9815
+    errSSLUnknownRootCert = -9812
+    errSSLNoRootCert = -9813
+    errSSLHostNameMismatch = -9843
+    errSSLPeerHandshakeFail = -9824
+    errSSLPeerUserCancelled = -9839
+    errSSLWeakPeerEphemeralDHKey = -9850
+    errSSLServerAuthCompleted = -9841
+    errSSLRecordOverflow = -9847
+
+    errSecVerifyFailed = -67808
+    errSecNoTrustSettings = -25263
+    errSecItemNotFound = -25300
+    errSecInvalidTrustSettings = -25262
+
+    # Cipher suites. We only pick the ones our default cipher string allows.
+    # Source: https://developer.apple.com/documentation/security/1550981-ssl_cipher_suite_values
+    TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02C
+    TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0xC030
+    TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B
+    TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F
+    TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA9
+    TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA8
+    TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F
+    TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0xC024
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0xC028
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0xC00A
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x006B
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x0039
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0xC009
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x0067
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x0033
+    TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D
+    TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C
+    TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x003D
+    TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x003C
+    TLS_RSA_WITH_AES_256_CBC_SHA = 0x0035
+    TLS_RSA_WITH_AES_128_CBC_SHA = 0x002F
+    TLS_AES_128_GCM_SHA256 = 0x1301
+    TLS_AES_256_GCM_SHA384 = 0x1302
+    TLS_AES_128_CCM_8_SHA256 = 0x1305
+    TLS_AES_128_CCM_SHA256 = 0x1304
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/_securetransport/low_level.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/_securetransport/low_level.py
new file mode 100644
index 0000000000000000000000000000000000000000..fa0b245d279e96724d5610f93bc3b3c8c22ca032
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/_securetransport/low_level.py
@@ -0,0 +1,397 @@
+"""
+Low-level helpers for the SecureTransport bindings.
+
+These are Python functions that are not directly related to the high-level APIs
+but are necessary to get them to work. They include a whole bunch of low-level
+CoreFoundation messing about and memory management. The concerns in this module
+are almost entirely about trying to avoid memory leaks and providing
+appropriate and useful assistance to the higher-level code.
+"""
+import base64
+import ctypes
+import itertools
+import os
+import re
+import ssl
+import struct
+import tempfile
+
+from .bindings import CFConst, CoreFoundation, Security
+
+# This regular expression is used to grab PEM data out of a PEM bundle.
+_PEM_CERTS_RE = re.compile(
+    b"-----BEGIN CERTIFICATE-----\n(.*?)\n-----END CERTIFICATE-----", re.DOTALL
+)
+
+
+def _cf_data_from_bytes(bytestring):
+    """
+    Given a bytestring, create a CFData object from it. This CFData object must
+    be CFReleased by the caller.
+    """
+    return CoreFoundation.CFDataCreate(
+        CoreFoundation.kCFAllocatorDefault, bytestring, len(bytestring)
+    )
+
+
+def _cf_dictionary_from_tuples(tuples):
+    """
+    Given a list of Python tuples, create an associated CFDictionary.
+    """
+    dictionary_size = len(tuples)
+
+    # We need to get the dictionary keys and values out in the same order.
+    keys = (t[0] for t in tuples)
+    values = (t[1] for t in tuples)
+    cf_keys = (CoreFoundation.CFTypeRef * dictionary_size)(*keys)
+    cf_values = (CoreFoundation.CFTypeRef * dictionary_size)(*values)
+
+    return CoreFoundation.CFDictionaryCreate(
+        CoreFoundation.kCFAllocatorDefault,
+        cf_keys,
+        cf_values,
+        dictionary_size,
+        CoreFoundation.kCFTypeDictionaryKeyCallBacks,
+        CoreFoundation.kCFTypeDictionaryValueCallBacks,
+    )
+
+
+def _cfstr(py_bstr):
+    """
+    Given a Python binary data, create a CFString.
+    The string must be CFReleased by the caller.
+    """
+    c_str = ctypes.c_char_p(py_bstr)
+    cf_str = CoreFoundation.CFStringCreateWithCString(
+        CoreFoundation.kCFAllocatorDefault,
+        c_str,
+        CFConst.kCFStringEncodingUTF8,
+    )
+    return cf_str
+
+
+def _create_cfstring_array(lst):
+    """
+    Given a list of Python binary data, create an associated CFMutableArray.
+    The array must be CFReleased by the caller.
+
+    Raises an ssl.SSLError on failure.
+    """
+    cf_arr = None
+    try:
+        cf_arr = CoreFoundation.CFArrayCreateMutable(
+            CoreFoundation.kCFAllocatorDefault,
+            0,
+            ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+        )
+        if not cf_arr:
+            raise MemoryError("Unable to allocate memory!")
+        for item in lst:
+            cf_str = _cfstr(item)
+            if not cf_str:
+                raise MemoryError("Unable to allocate memory!")
+            try:
+                CoreFoundation.CFArrayAppendValue(cf_arr, cf_str)
+            finally:
+                CoreFoundation.CFRelease(cf_str)
+    except BaseException as e:
+        if cf_arr:
+            CoreFoundation.CFRelease(cf_arr)
+        raise ssl.SSLError("Unable to allocate array: %s" % (e,))
+    return cf_arr
+
+
+def _cf_string_to_unicode(value):
+    """
+    Creates a Unicode string from a CFString object. Used entirely for error
+    reporting.
+
+    Yes, it annoys me quite a lot that this function is this complex.
+    """
+    value_as_void_p = ctypes.cast(value, ctypes.POINTER(ctypes.c_void_p))
+
+    string = CoreFoundation.CFStringGetCStringPtr(
+        value_as_void_p, CFConst.kCFStringEncodingUTF8
+    )
+    if string is None:
+        buffer = ctypes.create_string_buffer(1024)
+        result = CoreFoundation.CFStringGetCString(
+            value_as_void_p, buffer, 1024, CFConst.kCFStringEncodingUTF8
+        )
+        if not result:
+            raise OSError("Error copying C string from CFStringRef")
+        string = buffer.value
+    if string is not None:
+        string = string.decode("utf-8")
+    return string
+
+
+def _assert_no_error(error, exception_class=None):
+    """
+    Checks the return code and throws an exception if there is an error to
+    report
+    """
+    if error == 0:
+        return
+
+    cf_error_string = Security.SecCopyErrorMessageString(error, None)
+    output = _cf_string_to_unicode(cf_error_string)
+    CoreFoundation.CFRelease(cf_error_string)
+
+    if output is None or output == u"":
+        output = u"OSStatus %s" % error
+
+    if exception_class is None:
+        exception_class = ssl.SSLError
+
+    raise exception_class(output)
+
+
+def _cert_array_from_pem(pem_bundle):
+    """
+    Given a bundle of certs in PEM format, turns them into a CFArray of certs
+    that can be used to validate a cert chain.
+    """
+    # Normalize the PEM bundle's line endings.
+    pem_bundle = pem_bundle.replace(b"\r\n", b"\n")
+
+    der_certs = [
+        base64.b64decode(match.group(1)) for match in _PEM_CERTS_RE.finditer(pem_bundle)
+    ]
+    if not der_certs:
+        raise ssl.SSLError("No root certificates specified")
+
+    cert_array = CoreFoundation.CFArrayCreateMutable(
+        CoreFoundation.kCFAllocatorDefault,
+        0,
+        ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+    )
+    if not cert_array:
+        raise ssl.SSLError("Unable to allocate memory!")
+
+    try:
+        for der_bytes in der_certs:
+            certdata = _cf_data_from_bytes(der_bytes)
+            if not certdata:
+                raise ssl.SSLError("Unable to allocate memory!")
+            cert = Security.SecCertificateCreateWithData(
+                CoreFoundation.kCFAllocatorDefault, certdata
+            )
+            CoreFoundation.CFRelease(certdata)
+            if not cert:
+                raise ssl.SSLError("Unable to build cert object!")
+
+            CoreFoundation.CFArrayAppendValue(cert_array, cert)
+            CoreFoundation.CFRelease(cert)
+    except Exception:
+        # We need to free the array before the exception bubbles further.
+        # We only want to do that if an error occurs: otherwise, the caller
+        # should free.
+        CoreFoundation.CFRelease(cert_array)
+        raise
+
+    return cert_array
+
+
+def _is_cert(item):
+    """
+    Returns True if a given CFTypeRef is a certificate.
+    """
+    expected = Security.SecCertificateGetTypeID()
+    return CoreFoundation.CFGetTypeID(item) == expected
+
+
+def _is_identity(item):
+    """
+    Returns True if a given CFTypeRef is an identity.
+    """
+    expected = Security.SecIdentityGetTypeID()
+    return CoreFoundation.CFGetTypeID(item) == expected
+
+
+def _temporary_keychain():
+    """
+    This function creates a temporary Mac keychain that we can use to work with
+    credentials. This keychain uses a one-time password and a temporary file to
+    store the data. We expect to have one keychain per socket. The returned
+    SecKeychainRef must be freed by the caller, including calling
+    SecKeychainDelete.
+
+    Returns a tuple of the SecKeychainRef and the path to the temporary
+    directory that contains it.
+    """
+    # Unfortunately, SecKeychainCreate requires a path to a keychain. This
+    # means we cannot use mkstemp to use a generic temporary file. Instead,
+    # we're going to create a temporary directory and a filename to use there.
+    # This filename will be 8 random bytes expanded into base64. We also need
+    # some random bytes to password-protect the keychain we're creating, so we
+    # ask for 40 random bytes.
+    random_bytes = os.urandom(40)
+    filename = base64.b16encode(random_bytes[:8]).decode("utf-8")
+    password = base64.b16encode(random_bytes[8:])  # Must be valid UTF-8
+    tempdirectory = tempfile.mkdtemp()
+
+    keychain_path = os.path.join(tempdirectory, filename).encode("utf-8")
+
+    # We now want to create the keychain itself.
+    keychain = Security.SecKeychainRef()
+    status = Security.SecKeychainCreate(
+        keychain_path, len(password), password, False, None, ctypes.byref(keychain)
+    )
+    _assert_no_error(status)
+
+    # Having created the keychain, we want to pass it off to the caller.
+    return keychain, tempdirectory
+
+
+def _load_items_from_file(keychain, path):
+    """
+    Given a single file, loads all the trust objects from it into arrays and
+    the keychain.
+    Returns a tuple of lists: the first list is a list of identities, the
+    second a list of certs.
+    """
+    certificates = []
+    identities = []
+    result_array = None
+
+    with open(path, "rb") as f:
+        raw_filedata = f.read()
+
+    try:
+        filedata = CoreFoundation.CFDataCreate(
+            CoreFoundation.kCFAllocatorDefault, raw_filedata, len(raw_filedata)
+        )
+        result_array = CoreFoundation.CFArrayRef()
+        result = Security.SecItemImport(
+            filedata,  # cert data
+            None,  # Filename, leaving it out for now
+            None,  # What the type of the file is, we don't care
+            None,  # what's in the file, we don't care
+            0,  # import flags
+            None,  # key params, can include passphrase in the future
+            keychain,  # The keychain to insert into
+            ctypes.byref(result_array),  # Results
+        )
+        _assert_no_error(result)
+
+        # A CFArray is not very useful to us as an intermediary
+        # representation, so we are going to extract the objects we want
+        # and then free the array. We don't need to keep hold of keys: the
+        # keychain already has them!
+        result_count = CoreFoundation.CFArrayGetCount(result_array)
+        for index in range(result_count):
+            item = CoreFoundation.CFArrayGetValueAtIndex(result_array, index)
+            item = ctypes.cast(item, CoreFoundation.CFTypeRef)
+
+            if _is_cert(item):
+                CoreFoundation.CFRetain(item)
+                certificates.append(item)
+            elif _is_identity(item):
+                CoreFoundation.CFRetain(item)
+                identities.append(item)
+    finally:
+        if result_array:
+            CoreFoundation.CFRelease(result_array)
+
+        CoreFoundation.CFRelease(filedata)
+
+    return (identities, certificates)
+
+
+def _load_client_cert_chain(keychain, *paths):
+    """
+    Load certificates and maybe keys from a number of files. Has the end goal
+    of returning a CFArray containing one SecIdentityRef, and then zero or more
+    SecCertificateRef objects, suitable for use as a client certificate trust
+    chain.
+    """
+    # Ok, the strategy.
+    #
+    # This relies on knowing that macOS will not give you a SecIdentityRef
+    # unless you have imported a key into a keychain. This is a somewhat
+    # artificial limitation of macOS (for example, it doesn't necessarily
+    # affect iOS), but there is nothing inside Security.framework that lets you
+    # get a SecIdentityRef without having a key in a keychain.
+    #
+    # So the policy here is we take all the files and iterate them in order.
+    # Each one will use SecItemImport to have one or more objects loaded from
+    # it. We will also point at a keychain that macOS can use to work with the
+    # private key.
+    #
+    # Once we have all the objects, we'll check what we actually have. If we
+    # already have a SecIdentityRef in hand, fab: we'll use that. Otherwise,
+    # we'll take the first certificate (which we assume to be our leaf) and
+    # ask the keychain to give us a SecIdentityRef with that cert's associated
+    # key.
+    #
+    # We'll then return a CFArray containing the trust chain: one
+    # SecIdentityRef and then zero-or-more SecCertificateRef objects. The
+    # responsibility for freeing this CFArray will be with the caller. This
+    # CFArray must remain alive for the entire connection, so in practice it
+    # will be stored with a single SSLSocket, along with the reference to the
+    # keychain.
+    certificates = []
+    identities = []
+
+    # Filter out bad paths.
+    paths = (path for path in paths if path)
+
+    try:
+        for file_path in paths:
+            new_identities, new_certs = _load_items_from_file(keychain, file_path)
+            identities.extend(new_identities)
+            certificates.extend(new_certs)
+
+        # Ok, we have everything. The question is: do we have an identity? If
+        # not, we want to grab one from the first cert we have.
+        if not identities:
+            new_identity = Security.SecIdentityRef()
+            status = Security.SecIdentityCreateWithCertificate(
+                keychain, certificates[0], ctypes.byref(new_identity)
+            )
+            _assert_no_error(status)
+            identities.append(new_identity)
+
+            # We now want to release the original certificate, as we no longer
+            # need it.
+            CoreFoundation.CFRelease(certificates.pop(0))
+
+        # We now need to build a new CFArray that holds the trust chain.
+        trust_chain = CoreFoundation.CFArrayCreateMutable(
+            CoreFoundation.kCFAllocatorDefault,
+            0,
+            ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+        )
+        for item in itertools.chain(identities, certificates):
+            # ArrayAppendValue does a CFRetain on the item. That's fine,
+            # because the finally block will release our other refs to them.
+            CoreFoundation.CFArrayAppendValue(trust_chain, item)
+
+        return trust_chain
+    finally:
+        for obj in itertools.chain(identities, certificates):
+            CoreFoundation.CFRelease(obj)
+
+
+TLS_PROTOCOL_VERSIONS = {
+    "SSLv2": (0, 2),
+    "SSLv3": (3, 0),
+    "TLSv1": (3, 1),
+    "TLSv1.1": (3, 2),
+    "TLSv1.2": (3, 3),
+}
+
+
+def _build_tls_unknown_ca_alert(version):
+    """
+    Builds a TLS alert record for an unknown CA.
+    """
+    ver_maj, ver_min = TLS_PROTOCOL_VERSIONS[version]
+    severity_fatal = 0x02
+    description_unknown_ca = 0x30
+    msg = struct.pack(">BB", severity_fatal, description_unknown_ca)
+    msg_len = len(msg)
+    record_type_alert = 0x15
+    record = struct.pack(">BBBH", record_type_alert, ver_maj, ver_min, msg_len) + msg
+    return record
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/appengine.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/appengine.py
new file mode 100644
index 0000000000000000000000000000000000000000..668538695f96d7eccf8bc83f551aa5808efab1f9
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/appengine.py
@@ -0,0 +1,314 @@
+"""
+This module provides a pool manager that uses Google App Engine's
+`URLFetch Service <https://cloud.google.com/appengine/docs/python/urlfetch>`_.
+
+Example usage::
+
+    from pip._vendor.urllib3 import PoolManager
+    from pip._vendor.urllib3.contrib.appengine import AppEngineManager, is_appengine_sandbox
+
+    if is_appengine_sandbox():
+        # AppEngineManager uses AppEngine's URLFetch API behind the scenes
+        http = AppEngineManager()
+    else:
+        # PoolManager uses a socket-level API behind the scenes
+        http = PoolManager()
+
+    r = http.request('GET', 'https://google.com/')
+
+There are `limitations <https://cloud.google.com/appengine/docs/python/\
+urlfetch/#Python_Quotas_and_limits>`_ to the URLFetch service and it may not be
+the best choice for your application. There are three options for using
+urllib3 on Google App Engine:
+
+1. You can use :class:`AppEngineManager` with URLFetch. URLFetch is
+   cost-effective in many circumstances as long as your usage is within the
+   limitations.
+2. You can use a normal :class:`~urllib3.PoolManager` by enabling sockets.
+   Sockets also have `limitations and restrictions
+   <https://cloud.google.com/appengine/docs/python/sockets/\
+   #limitations-and-restrictions>`_ and have a lower free quota than URLFetch.
+   To use sockets, be sure to specify the following in your ``app.yaml``::
+
+        env_variables:
+            GAE_USE_SOCKETS_HTTPLIB : 'true'
+
+3. If you are using `App Engine Flexible
+<https://cloud.google.com/appengine/docs/flexible/>`_, you can use the standard
+:class:`PoolManager` without any configuration or special environment variables.
+"""
+
+from __future__ import absolute_import
+
+import io
+import logging
+import warnings
+
+from ..exceptions import (
+    HTTPError,
+    HTTPWarning,
+    MaxRetryError,
+    ProtocolError,
+    SSLError,
+    TimeoutError,
+)
+from ..packages.six.moves.urllib.parse import urljoin
+from ..request import RequestMethods
+from ..response import HTTPResponse
+from ..util.retry import Retry
+from ..util.timeout import Timeout
+from . import _appengine_environ
+
+try:
+    from google.appengine.api import urlfetch
+except ImportError:
+    urlfetch = None
+
+
+log = logging.getLogger(__name__)
+
+
+class AppEnginePlatformWarning(HTTPWarning):
+    pass
+
+
+class AppEnginePlatformError(HTTPError):
+    pass
+
+
+class AppEngineManager(RequestMethods):
+    """
+    Connection manager for Google App Engine sandbox applications.
+
+    This manager uses the URLFetch service directly instead of using the
+    emulated httplib, and is subject to URLFetch limitations as described in
+    the App Engine documentation `here
+    <https://cloud.google.com/appengine/docs/python/urlfetch>`_.
+
+    Notably it will raise an :class:`AppEnginePlatformError` if:
+        * URLFetch is not available.
+        * If you attempt to use this on App Engine Flexible, as full socket
+          support is available.
+        * If a request size is more than 10 megabytes.
+        * If a response size is more than 32 megabytes.
+        * If you use an unsupported request method such as OPTIONS.
+
+    Beyond those cases, it will raise normal urllib3 errors.
+    """
+
+    def __init__(
+        self,
+        headers=None,
+        retries=None,
+        validate_certificate=True,
+        urlfetch_retries=True,
+    ):
+        if not urlfetch:
+            raise AppEnginePlatformError(
+                "URLFetch is not available in this environment."
+            )
+
+        warnings.warn(
+            "urllib3 is using URLFetch on Google App Engine sandbox instead "
+            "of sockets. To use sockets directly instead of URLFetch see "
+            "https://urllib3.readthedocs.io/en/1.26.x/reference/urllib3.contrib.html.",
+            AppEnginePlatformWarning,
+        )
+
+        RequestMethods.__init__(self, headers)
+        self.validate_certificate = validate_certificate
+        self.urlfetch_retries = urlfetch_retries
+
+        self.retries = retries or Retry.DEFAULT
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=None,
+        redirect=True,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        **response_kw
+    ):
+
+        retries = self._get_retries(retries, redirect)
+
+        try:
+            follow_redirects = redirect and retries.redirect != 0 and retries.total
+            response = urlfetch.fetch(
+                url,
+                payload=body,
+                method=method,
+                headers=headers or {},
+                allow_truncated=False,
+                follow_redirects=self.urlfetch_retries and follow_redirects,
+                deadline=self._get_absolute_timeout(timeout),
+                validate_certificate=self.validate_certificate,
+            )
+        except urlfetch.DeadlineExceededError as e:
+            raise TimeoutError(self, e)
+
+        except urlfetch.InvalidURLError as e:
+            if "too large" in str(e):
+                raise AppEnginePlatformError(
+                    "URLFetch request too large, URLFetch only "
+                    "supports requests up to 10mb in size.",
+                    e,
+                )
+            raise ProtocolError(e)
+
+        except urlfetch.DownloadError as e:
+            if "Too many redirects" in str(e):
+                raise MaxRetryError(self, url, reason=e)
+            raise ProtocolError(e)
+
+        except urlfetch.ResponseTooLargeError as e:
+            raise AppEnginePlatformError(
+                "URLFetch response too large, URLFetch only supports"
+                "responses up to 32mb in size.",
+                e,
+            )
+
+        except urlfetch.SSLCertificateError as e:
+            raise SSLError(e)
+
+        except urlfetch.InvalidMethodError as e:
+            raise AppEnginePlatformError(
+                "URLFetch does not support method: %s" % method, e
+            )
+
+        http_response = self._urlfetch_response_to_http_response(
+            response, retries=retries, **response_kw
+        )
+
+        # Handle redirect?
+        redirect_location = redirect and http_response.get_redirect_location()
+        if redirect_location:
+            # Check for redirect response
+            if self.urlfetch_retries and retries.raise_on_redirect:
+                raise MaxRetryError(self, url, "too many redirects")
+            else:
+                if http_response.status == 303:
+                    method = "GET"
+
+                try:
+                    retries = retries.increment(
+                        method, url, response=http_response, _pool=self
+                    )
+                except MaxRetryError:
+                    if retries.raise_on_redirect:
+                        raise MaxRetryError(self, url, "too many redirects")
+                    return http_response
+
+                retries.sleep_for_retry(http_response)
+                log.debug("Redirecting %s -> %s", url, redirect_location)
+                redirect_url = urljoin(url, redirect_location)
+                return self.urlopen(
+                    method,
+                    redirect_url,
+                    body,
+                    headers,
+                    retries=retries,
+                    redirect=redirect,
+                    timeout=timeout,
+                    **response_kw
+                )
+
+        # Check if we should retry the HTTP response.
+        has_retry_after = bool(http_response.getheader("Retry-After"))
+        if retries.is_retry(method, http_response.status, has_retry_after):
+            retries = retries.increment(method, url, response=http_response, _pool=self)
+            log.debug("Retry: %s", url)
+            retries.sleep(http_response)
+            return self.urlopen(
+                method,
+                url,
+                body=body,
+                headers=headers,
+                retries=retries,
+                redirect=redirect,
+                timeout=timeout,
+                **response_kw
+            )
+
+        return http_response
+
+    def _urlfetch_response_to_http_response(self, urlfetch_resp, **response_kw):
+
+        if is_prod_appengine():
+            # Production GAE handles deflate encoding automatically, but does
+            # not remove the encoding header.
+            content_encoding = urlfetch_resp.headers.get("content-encoding")
+
+            if content_encoding == "deflate":
+                del urlfetch_resp.headers["content-encoding"]
+
+        transfer_encoding = urlfetch_resp.headers.get("transfer-encoding")
+        # We have a full response's content,
+        # so let's make sure we don't report ourselves as chunked data.
+        if transfer_encoding == "chunked":
+            encodings = transfer_encoding.split(",")
+            encodings.remove("chunked")
+            urlfetch_resp.headers["transfer-encoding"] = ",".join(encodings)
+
+        original_response = HTTPResponse(
+            # In order for decoding to work, we must present the content as
+            # a file-like object.
+            body=io.BytesIO(urlfetch_resp.content),
+            msg=urlfetch_resp.header_msg,
+            headers=urlfetch_resp.headers,
+            status=urlfetch_resp.status_code,
+            **response_kw
+        )
+
+        return HTTPResponse(
+            body=io.BytesIO(urlfetch_resp.content),
+            headers=urlfetch_resp.headers,
+            status=urlfetch_resp.status_code,
+            original_response=original_response,
+            **response_kw
+        )
+
+    def _get_absolute_timeout(self, timeout):
+        if timeout is Timeout.DEFAULT_TIMEOUT:
+            return None  # Defer to URLFetch's default.
+        if isinstance(timeout, Timeout):
+            if timeout._read is not None or timeout._connect is not None:
+                warnings.warn(
+                    "URLFetch does not support granular timeout settings, "
+                    "reverting to total or default URLFetch timeout.",
+                    AppEnginePlatformWarning,
+                )
+            return timeout.total
+        return timeout
+
+    def _get_retries(self, retries, redirect):
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
+
+        if retries.connect or retries.read or retries.redirect:
+            warnings.warn(
+                "URLFetch only supports total retries and does not "
+                "recognize connect, read, or redirect retry parameters.",
+                AppEnginePlatformWarning,
+            )
+
+        return retries
+
+
+# Alias methods from _appengine_environ to maintain public API interface.
+
+is_appengine = _appengine_environ.is_appengine
+is_appengine_sandbox = _appengine_environ.is_appengine_sandbox
+is_local_appengine = _appengine_environ.is_local_appengine
+is_prod_appengine = _appengine_environ.is_prod_appengine
+is_prod_appengine_mvms = _appengine_environ.is_prod_appengine_mvms
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/ntlmpool.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/ntlmpool.py
new file mode 100644
index 0000000000000000000000000000000000000000..41a8fd174cbc556d495aca1d58af8e2197ace913
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/ntlmpool.py
@@ -0,0 +1,130 @@
+"""
+NTLM authenticating pool, contributed by erikcederstran
+
+Issue #10, see: http://code.google.com/p/urllib3/issues/detail?id=10
+"""
+from __future__ import absolute_import
+
+import warnings
+from logging import getLogger
+
+from ntlm import ntlm
+
+from .. import HTTPSConnectionPool
+from ..packages.six.moves.http_client import HTTPSConnection
+
+warnings.warn(
+    "The 'urllib3.contrib.ntlmpool' module is deprecated and will be removed "
+    "in urllib3 v2.0 release, urllib3 is not able to support it properly due "
+    "to reasons listed in issue: https://github.com/urllib3/urllib3/issues/2282. "
+    "If you are a user of this module please comment in the mentioned issue.",
+    DeprecationWarning,
+)
+
+log = getLogger(__name__)
+
+
+class NTLMConnectionPool(HTTPSConnectionPool):
+    """
+    Implements an NTLM authentication version of an urllib3 connection pool
+    """
+
+    scheme = "https"
+
+    def __init__(self, user, pw, authurl, *args, **kwargs):
+        """
+        authurl is a random URL on the server that is protected by NTLM.
+        user is the Windows user, probably in the DOMAIN\\username format.
+        pw is the password for the user.
+        """
+        super(NTLMConnectionPool, self).__init__(*args, **kwargs)
+        self.authurl = authurl
+        self.rawuser = user
+        user_parts = user.split("\\", 1)
+        self.domain = user_parts[0].upper()
+        self.user = user_parts[1]
+        self.pw = pw
+
+    def _new_conn(self):
+        # Performs the NTLM handshake that secures the connection. The socket
+        # must be kept open while requests are performed.
+        self.num_connections += 1
+        log.debug(
+            "Starting NTLM HTTPS connection no. %d: https://%s%s",
+            self.num_connections,
+            self.host,
+            self.authurl,
+        )
+
+        headers = {"Connection": "Keep-Alive"}
+        req_header = "Authorization"
+        resp_header = "www-authenticate"
+
+        conn = HTTPSConnection(host=self.host, port=self.port)
+
+        # Send negotiation message
+        headers[req_header] = "NTLM %s" % ntlm.create_NTLM_NEGOTIATE_MESSAGE(
+            self.rawuser
+        )
+        log.debug("Request headers: %s", headers)
+        conn.request("GET", self.authurl, None, headers)
+        res = conn.getresponse()
+        reshdr = dict(res.getheaders())
+        log.debug("Response status: %s %s", res.status, res.reason)
+        log.debug("Response headers: %s", reshdr)
+        log.debug("Response data: %s [...]", res.read(100))
+
+        # Remove the reference to the socket, so that it can not be closed by
+        # the response object (we want to keep the socket open)
+        res.fp = None
+
+        # Server should respond with a challenge message
+        auth_header_values = reshdr[resp_header].split(", ")
+        auth_header_value = None
+        for s in auth_header_values:
+            if s[:5] == "NTLM ":
+                auth_header_value = s[5:]
+        if auth_header_value is None:
+            raise Exception(
+                "Unexpected %s response header: %s" % (resp_header, reshdr[resp_header])
+            )
+
+        # Send authentication message
+        ServerChallenge, NegotiateFlags = ntlm.parse_NTLM_CHALLENGE_MESSAGE(
+            auth_header_value
+        )
+        auth_msg = ntlm.create_NTLM_AUTHENTICATE_MESSAGE(
+            ServerChallenge, self.user, self.domain, self.pw, NegotiateFlags
+        )
+        headers[req_header] = "NTLM %s" % auth_msg
+        log.debug("Request headers: %s", headers)
+        conn.request("GET", self.authurl, None, headers)
+        res = conn.getresponse()
+        log.debug("Response status: %s %s", res.status, res.reason)
+        log.debug("Response headers: %s", dict(res.getheaders()))
+        log.debug("Response data: %s [...]", res.read()[:100])
+        if res.status != 200:
+            if res.status == 401:
+                raise Exception("Server rejected request: wrong username or password")
+            raise Exception("Wrong server response: %s %s" % (res.status, res.reason))
+
+        res.fp = None
+        log.debug("Connection established")
+        return conn
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=3,
+        redirect=True,
+        assert_same_host=True,
+    ):
+        if headers is None:
+            headers = {}
+        headers["Connection"] = "Keep-Alive"
+        return super(NTLMConnectionPool, self).urlopen(
+            method, url, body, headers, retries, redirect, assert_same_host
+        )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/pyopenssl.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/pyopenssl.py
new file mode 100644
index 0000000000000000000000000000000000000000..3130f51ac060cd5da6083fc96c3ab2c6c56a7342
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/pyopenssl.py
@@ -0,0 +1,511 @@
+"""
+TLS with SNI_-support for Python 2. Follow these instructions if you would
+like to verify TLS certificates in Python 2. Note, the default libraries do
+*not* do certificate checking; you need to do additional work to validate
+certificates yourself.
+
+This needs the following packages installed:
+
+* `pyOpenSSL`_ (tested with 16.0.0)
+* `cryptography`_ (minimum 1.3.4, from pyopenssl)
+* `idna`_ (minimum 2.0, from cryptography)
+
+However, pyopenssl depends on cryptography, which depends on idna, so while we
+use all three directly here we end up having relatively few packages required.
+
+You can install them with the following command:
+
+.. code-block:: bash
+
+    $ python -m pip install pyopenssl cryptography idna
+
+To activate certificate checking, call
+:func:`~urllib3.contrib.pyopenssl.inject_into_urllib3` from your Python code
+before you begin making HTTP requests. This can be done in a ``sitecustomize``
+module, or at any other time before your application begins using ``urllib3``,
+like this:
+
+.. code-block:: python
+
+    try:
+        import pip._vendor.urllib3.contrib.pyopenssl as pyopenssl
+        pyopenssl.inject_into_urllib3()
+    except ImportError:
+        pass
+
+Now you can use :mod:`urllib3` as you normally would, and it will support SNI
+when the required modules are installed.
+
+Activating this module also has the positive side effect of disabling SSL/TLS
+compression in Python 2 (see `CRIME attack`_).
+
+.. _sni: https://en.wikipedia.org/wiki/Server_Name_Indication
+.. _crime attack: https://en.wikipedia.org/wiki/CRIME_(security_exploit)
+.. _pyopenssl: https://www.pyopenssl.org
+.. _cryptography: https://cryptography.io
+.. _idna: https://github.com/kjd/idna
+"""
+from __future__ import absolute_import
+
+import OpenSSL.SSL
+from cryptography import x509
+from cryptography.hazmat.backends.openssl import backend as openssl_backend
+from cryptography.hazmat.backends.openssl.x509 import _Certificate
+
+try:
+    from cryptography.x509 import UnsupportedExtension
+except ImportError:
+    # UnsupportedExtension is gone in cryptography >= 2.1.0
+    class UnsupportedExtension(Exception):
+        pass
+
+
+from io import BytesIO
+from socket import error as SocketError
+from socket import timeout
+
+try:  # Platform-specific: Python 2
+    from socket import _fileobject
+except ImportError:  # Platform-specific: Python 3
+    _fileobject = None
+    from ..packages.backports.makefile import backport_makefile
+
+import logging
+import ssl
+import sys
+
+from .. import util
+from ..packages import six
+from ..util.ssl_ import PROTOCOL_TLS_CLIENT
+
+__all__ = ["inject_into_urllib3", "extract_from_urllib3"]
+
+# SNI always works.
+HAS_SNI = True
+
+# Map from urllib3 to PyOpenSSL compatible parameter-values.
+_openssl_versions = {
+    util.PROTOCOL_TLS: OpenSSL.SSL.SSLv23_METHOD,
+    PROTOCOL_TLS_CLIENT: OpenSSL.SSL.SSLv23_METHOD,
+    ssl.PROTOCOL_TLSv1: OpenSSL.SSL.TLSv1_METHOD,
+}
+
+if hasattr(ssl, "PROTOCOL_SSLv3") and hasattr(OpenSSL.SSL, "SSLv3_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_SSLv3] = OpenSSL.SSL.SSLv3_METHOD
+
+if hasattr(ssl, "PROTOCOL_TLSv1_1") and hasattr(OpenSSL.SSL, "TLSv1_1_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_TLSv1_1] = OpenSSL.SSL.TLSv1_1_METHOD
+
+if hasattr(ssl, "PROTOCOL_TLSv1_2") and hasattr(OpenSSL.SSL, "TLSv1_2_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_TLSv1_2] = OpenSSL.SSL.TLSv1_2_METHOD
+
+
+_stdlib_to_openssl_verify = {
+    ssl.CERT_NONE: OpenSSL.SSL.VERIFY_NONE,
+    ssl.CERT_OPTIONAL: OpenSSL.SSL.VERIFY_PEER,
+    ssl.CERT_REQUIRED: OpenSSL.SSL.VERIFY_PEER
+    + OpenSSL.SSL.VERIFY_FAIL_IF_NO_PEER_CERT,
+}
+_openssl_to_stdlib_verify = dict((v, k) for k, v in _stdlib_to_openssl_verify.items())
+
+# OpenSSL will only write 16K at a time
+SSL_WRITE_BLOCKSIZE = 16384
+
+orig_util_HAS_SNI = util.HAS_SNI
+orig_util_SSLContext = util.ssl_.SSLContext
+
+
+log = logging.getLogger(__name__)
+
+
+def inject_into_urllib3():
+    "Monkey-patch urllib3 with PyOpenSSL-backed SSL-support."
+
+    _validate_dependencies_met()
+
+    util.SSLContext = PyOpenSSLContext
+    util.ssl_.SSLContext = PyOpenSSLContext
+    util.HAS_SNI = HAS_SNI
+    util.ssl_.HAS_SNI = HAS_SNI
+    util.IS_PYOPENSSL = True
+    util.ssl_.IS_PYOPENSSL = True
+
+
+def extract_from_urllib3():
+    "Undo monkey-patching by :func:`inject_into_urllib3`."
+
+    util.SSLContext = orig_util_SSLContext
+    util.ssl_.SSLContext = orig_util_SSLContext
+    util.HAS_SNI = orig_util_HAS_SNI
+    util.ssl_.HAS_SNI = orig_util_HAS_SNI
+    util.IS_PYOPENSSL = False
+    util.ssl_.IS_PYOPENSSL = False
+
+
+def _validate_dependencies_met():
+    """
+    Verifies that PyOpenSSL's package-level dependencies have been met.
+    Throws `ImportError` if they are not met.
+    """
+    # Method added in `cryptography==1.1`; not available in older versions
+    from cryptography.x509.extensions import Extensions
+
+    if getattr(Extensions, "get_extension_for_class", None) is None:
+        raise ImportError(
+            "'cryptography' module missing required functionality.  "
+            "Try upgrading to v1.3.4 or newer."
+        )
+
+    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
+    # attribute is only present on those versions.
+    from OpenSSL.crypto import X509
+
+    x509 = X509()
+    if getattr(x509, "_x509", None) is None:
+        raise ImportError(
+            "'pyOpenSSL' module missing required functionality. "
+            "Try upgrading to v0.14 or newer."
+        )
+
+
+def _dnsname_to_stdlib(name):
+    """
+    Converts a dNSName SubjectAlternativeName field to the form used by the
+    standard library on the given Python version.
+
+    Cryptography produces a dNSName as a unicode string that was idna-decoded
+    from ASCII bytes. We need to idna-encode that string to get it back, and
+    then on Python 3 we also need to convert to unicode via UTF-8 (the stdlib
+    uses PyUnicode_FromStringAndSize on it, which decodes via UTF-8).
+
+    If the name cannot be idna-encoded then we return None signalling that
+    the name given should be skipped.
+    """
+
+    def idna_encode(name):
+        """
+        Borrowed wholesale from the Python Cryptography Project. It turns out
+        that we can't just safely call `idna.encode`: it can explode for
+        wildcard names. This avoids that problem.
+        """
+        from pip._vendor import idna
+
+        try:
+            for prefix in [u"*.", u"."]:
+                if name.startswith(prefix):
+                    name = name[len(prefix) :]
+                    return prefix.encode("ascii") + idna.encode(name)
+            return idna.encode(name)
+        except idna.core.IDNAError:
+            return None
+
+    # Don't send IPv6 addresses through the IDNA encoder.
+    if ":" in name:
+        return name
+
+    name = idna_encode(name)
+    if name is None:
+        return None
+    elif sys.version_info >= (3, 0):
+        name = name.decode("utf-8")
+    return name
+
+
+def get_subj_alt_name(peer_cert):
+    """
+    Given an PyOpenSSL certificate, provides all the subject alternative names.
+    """
+    # Pass the cert to cryptography, which has much better APIs for this.
+    if hasattr(peer_cert, "to_cryptography"):
+        cert = peer_cert.to_cryptography()
+    else:
+        # This is technically using private APIs, but should work across all
+        # relevant versions before PyOpenSSL got a proper API for this.
+        cert = _Certificate(openssl_backend, peer_cert._x509)
+
+    # We want to find the SAN extension. Ask Cryptography to locate it (it's
+    # faster than looping in Python)
+    try:
+        ext = cert.extensions.get_extension_for_class(x509.SubjectAlternativeName).value
+    except x509.ExtensionNotFound:
+        # No such extension, return the empty list.
+        return []
+    except (
+        x509.DuplicateExtension,
+        UnsupportedExtension,
+        x509.UnsupportedGeneralNameType,
+        UnicodeError,
+    ) as e:
+        # A problem has been found with the quality of the certificate. Assume
+        # no SAN field is present.
+        log.warning(
+            "A problem was encountered with the certificate that prevented "
+            "urllib3 from finding the SubjectAlternativeName field. This can "
+            "affect certificate validation. The error was %s",
+            e,
+        )
+        return []
+
+    # We want to return dNSName and iPAddress fields. We need to cast the IPs
+    # back to strings because the match_hostname function wants them as
+    # strings.
+    # Sadly the DNS names need to be idna encoded and then, on Python 3, UTF-8
+    # decoded. This is pretty frustrating, but that's what the standard library
+    # does with certificates, and so we need to attempt to do the same.
+    # We also want to skip over names which cannot be idna encoded.
+    names = [
+        ("DNS", name)
+        for name in map(_dnsname_to_stdlib, ext.get_values_for_type(x509.DNSName))
+        if name is not None
+    ]
+    names.extend(
+        ("IP Address", str(name)) for name in ext.get_values_for_type(x509.IPAddress)
+    )
+
+    return names
+
+
+class WrappedSocket(object):
+    """API-compatibility wrapper for Python OpenSSL's Connection-class.
+
+    Note: _makefile_refs, _drop() and _reuse() are needed for the garbage
+    collector of pypy.
+    """
+
+    def __init__(self, connection, socket, suppress_ragged_eofs=True):
+        self.connection = connection
+        self.socket = socket
+        self.suppress_ragged_eofs = suppress_ragged_eofs
+        self._makefile_refs = 0
+        self._closed = False
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    # Copy-pasted from Python 3.5 source code
+    def _decref_socketios(self):
+        if self._makefile_refs > 0:
+            self._makefile_refs -= 1
+        if self._closed:
+            self.close()
+
+    def recv(self, *args, **kwargs):
+        try:
+            data = self.connection.recv(*args, **kwargs)
+        except OpenSSL.SSL.SysCallError as e:
+            if self.suppress_ragged_eofs and e.args == (-1, "Unexpected EOF"):
+                return b""
+            else:
+                raise SocketError(str(e))
+        except OpenSSL.SSL.ZeroReturnError:
+            if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN:
+                return b""
+            else:
+                raise
+        except OpenSSL.SSL.WantReadError:
+            if not util.wait_for_read(self.socket, self.socket.gettimeout()):
+                raise timeout("The read operation timed out")
+            else:
+                return self.recv(*args, **kwargs)
+
+        # TLS 1.3 post-handshake authentication
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("read error: %r" % e)
+        else:
+            return data
+
+    def recv_into(self, *args, **kwargs):
+        try:
+            return self.connection.recv_into(*args, **kwargs)
+        except OpenSSL.SSL.SysCallError as e:
+            if self.suppress_ragged_eofs and e.args == (-1, "Unexpected EOF"):
+                return 0
+            else:
+                raise SocketError(str(e))
+        except OpenSSL.SSL.ZeroReturnError:
+            if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN:
+                return 0
+            else:
+                raise
+        except OpenSSL.SSL.WantReadError:
+            if not util.wait_for_read(self.socket, self.socket.gettimeout()):
+                raise timeout("The read operation timed out")
+            else:
+                return self.recv_into(*args, **kwargs)
+
+        # TLS 1.3 post-handshake authentication
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("read error: %r" % e)
+
+    def settimeout(self, timeout):
+        return self.socket.settimeout(timeout)
+
+    def _send_until_done(self, data):
+        while True:
+            try:
+                return self.connection.send(data)
+            except OpenSSL.SSL.WantWriteError:
+                if not util.wait_for_write(self.socket, self.socket.gettimeout()):
+                    raise timeout()
+                continue
+            except OpenSSL.SSL.SysCallError as e:
+                raise SocketError(str(e))
+
+    def sendall(self, data):
+        total_sent = 0
+        while total_sent < len(data):
+            sent = self._send_until_done(
+                data[total_sent : total_sent + SSL_WRITE_BLOCKSIZE]
+            )
+            total_sent += sent
+
+    def shutdown(self):
+        # FIXME rethrow compatible exceptions should we ever use this
+        self.connection.shutdown()
+
+    def close(self):
+        if self._makefile_refs < 1:
+            try:
+                self._closed = True
+                return self.connection.close()
+            except OpenSSL.SSL.Error:
+                return
+        else:
+            self._makefile_refs -= 1
+
+    def getpeercert(self, binary_form=False):
+        x509 = self.connection.get_peer_certificate()
+
+        if not x509:
+            return x509
+
+        if binary_form:
+            return OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_ASN1, x509)
+
+        return {
+            "subject": ((("commonName", x509.get_subject().CN),),),
+            "subjectAltName": get_subj_alt_name(x509),
+        }
+
+    def version(self):
+        return self.connection.get_protocol_version_name()
+
+    def _reuse(self):
+        self._makefile_refs += 1
+
+    def _drop(self):
+        if self._makefile_refs < 1:
+            self.close()
+        else:
+            self._makefile_refs -= 1
+
+
+if _fileobject:  # Platform-specific: Python 2
+
+    def makefile(self, mode, bufsize=-1):
+        self._makefile_refs += 1
+        return _fileobject(self, mode, bufsize, close=True)
+
+
+else:  # Platform-specific: Python 3
+    makefile = backport_makefile
+
+WrappedSocket.makefile = makefile
+
+
+class PyOpenSSLContext(object):
+    """
+    I am a wrapper class for the PyOpenSSL ``Context`` object. I am responsible
+    for translating the interface of the standard library ``SSLContext`` object
+    to calls into PyOpenSSL.
+    """
+
+    def __init__(self, protocol):
+        self.protocol = _openssl_versions[protocol]
+        self._ctx = OpenSSL.SSL.Context(self.protocol)
+        self._options = 0
+        self.check_hostname = False
+
+    @property
+    def options(self):
+        return self._options
+
+    @options.setter
+    def options(self, value):
+        self._options = value
+        self._ctx.set_options(value)
+
+    @property
+    def verify_mode(self):
+        return _openssl_to_stdlib_verify[self._ctx.get_verify_mode()]
+
+    @verify_mode.setter
+    def verify_mode(self, value):
+        self._ctx.set_verify(_stdlib_to_openssl_verify[value], _verify_callback)
+
+    def set_default_verify_paths(self):
+        self._ctx.set_default_verify_paths()
+
+    def set_ciphers(self, ciphers):
+        if isinstance(ciphers, six.text_type):
+            ciphers = ciphers.encode("utf-8")
+        self._ctx.set_cipher_list(ciphers)
+
+    def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+        if cafile is not None:
+            cafile = cafile.encode("utf-8")
+        if capath is not None:
+            capath = capath.encode("utf-8")
+        try:
+            self._ctx.load_verify_locations(cafile, capath)
+            if cadata is not None:
+                self._ctx.load_verify_locations(BytesIO(cadata))
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("unable to load trusted certificates: %r" % e)
+
+    def load_cert_chain(self, certfile, keyfile=None, password=None):
+        self._ctx.use_certificate_chain_file(certfile)
+        if password is not None:
+            if not isinstance(password, six.binary_type):
+                password = password.encode("utf-8")
+            self._ctx.set_passwd_cb(lambda *_: password)
+        self._ctx.use_privatekey_file(keyfile or certfile)
+
+    def set_alpn_protocols(self, protocols):
+        protocols = [six.ensure_binary(p) for p in protocols]
+        return self._ctx.set_alpn_protos(protocols)
+
+    def wrap_socket(
+        self,
+        sock,
+        server_side=False,
+        do_handshake_on_connect=True,
+        suppress_ragged_eofs=True,
+        server_hostname=None,
+    ):
+        cnx = OpenSSL.SSL.Connection(self._ctx, sock)
+
+        if isinstance(server_hostname, six.text_type):  # Platform-specific: Python 3
+            server_hostname = server_hostname.encode("utf-8")
+
+        if server_hostname is not None:
+            cnx.set_tlsext_host_name(server_hostname)
+
+        cnx.set_connect_state()
+
+        while True:
+            try:
+                cnx.do_handshake()
+            except OpenSSL.SSL.WantReadError:
+                if not util.wait_for_read(sock, sock.gettimeout()):
+                    raise timeout("select timed out")
+                continue
+            except OpenSSL.SSL.Error as e:
+                raise ssl.SSLError("bad handshake: %r" % e)
+            break
+
+        return WrappedSocket(cnx, sock)
+
+
+def _verify_callback(cnx, x509, err_no, err_depth, return_code):
+    return err_no == 0
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/securetransport.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/securetransport.py
new file mode 100644
index 0000000000000000000000000000000000000000..b4ca80b88be37143f2dbe9d8db3bf6911af78e60
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/securetransport.py
@@ -0,0 +1,922 @@
+"""
+SecureTranport support for urllib3 via ctypes.
+
+This makes platform-native TLS available to urllib3 users on macOS without the
+use of a compiler. This is an important feature because the Python Package
+Index is moving to become a TLSv1.2-or-higher server, and the default OpenSSL
+that ships with macOS is not capable of doing TLSv1.2. The only way to resolve
+this is to give macOS users an alternative solution to the problem, and that
+solution is to use SecureTransport.
+
+We use ctypes here because this solution must not require a compiler. That's
+because pip is not allowed to require a compiler either.
+
+This is not intended to be a seriously long-term solution to this problem.
+The hope is that PEP 543 will eventually solve this issue for us, at which
+point we can retire this contrib module. But in the short term, we need to
+solve the impending tire fire that is Python on Mac without this kind of
+contrib module. So...here we are.
+
+To use this module, simply import and inject it::
+
+    import pip._vendor.urllib3.contrib.securetransport as securetransport
+    securetransport.inject_into_urllib3()
+
+Happy TLSing!
+
+This code is a bastardised version of the code found in Will Bond's oscrypto
+library. An enormous debt is owed to him for blazing this trail for us. For
+that reason, this code should be considered to be covered both by urllib3's
+license and by oscrypto's:
+
+.. code-block::
+
+    Copyright (c) 2015-2016 Will Bond <will@wbond.net>
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+"""
+from __future__ import absolute_import
+
+import contextlib
+import ctypes
+import errno
+import os.path
+import shutil
+import socket
+import ssl
+import struct
+import threading
+import weakref
+
+from pip._vendor import six
+
+from .. import util
+from ..util.ssl_ import PROTOCOL_TLS_CLIENT
+from ._securetransport.bindings import CoreFoundation, Security, SecurityConst
+from ._securetransport.low_level import (
+    _assert_no_error,
+    _build_tls_unknown_ca_alert,
+    _cert_array_from_pem,
+    _create_cfstring_array,
+    _load_client_cert_chain,
+    _temporary_keychain,
+)
+
+try:  # Platform-specific: Python 2
+    from socket import _fileobject
+except ImportError:  # Platform-specific: Python 3
+    _fileobject = None
+    from ..packages.backports.makefile import backport_makefile
+
+__all__ = ["inject_into_urllib3", "extract_from_urllib3"]
+
+# SNI always works
+HAS_SNI = True
+
+orig_util_HAS_SNI = util.HAS_SNI
+orig_util_SSLContext = util.ssl_.SSLContext
+
+# This dictionary is used by the read callback to obtain a handle to the
+# calling wrapped socket. This is a pretty silly approach, but for now it'll
+# do. I feel like I should be able to smuggle a handle to the wrapped socket
+# directly in the SSLConnectionRef, but for now this approach will work I
+# guess.
+#
+# We need to lock around this structure for inserts, but we don't do it for
+# reads/writes in the callbacks. The reasoning here goes as follows:
+#
+#    1. It is not possible to call into the callbacks before the dictionary is
+#       populated, so once in the callback the id must be in the dictionary.
+#    2. The callbacks don't mutate the dictionary, they only read from it, and
+#       so cannot conflict with any of the insertions.
+#
+# This is good: if we had to lock in the callbacks we'd drastically slow down
+# the performance of this code.
+_connection_refs = weakref.WeakValueDictionary()
+_connection_ref_lock = threading.Lock()
+
+# Limit writes to 16kB. This is OpenSSL's limit, but we'll cargo-cult it over
+# for no better reason than we need *a* limit, and this one is right there.
+SSL_WRITE_BLOCKSIZE = 16384
+
+# This is our equivalent of util.ssl_.DEFAULT_CIPHERS, but expanded out to
+# individual cipher suites. We need to do this because this is how
+# SecureTransport wants them.
+CIPHER_SUITES = [
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_AES_256_GCM_SHA384,
+    SecurityConst.TLS_AES_128_GCM_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_AES_128_CCM_8_SHA256,
+    SecurityConst.TLS_AES_128_CCM_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA,
+]
+
+# Basically this is simple: for PROTOCOL_SSLv23 we turn it into a low of
+# TLSv1 and a high of TLSv1.2. For everything else, we pin to that version.
+# TLSv1 to 1.2 are supported on macOS 10.8+
+_protocol_to_min_max = {
+    util.PROTOCOL_TLS: (SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol12),
+    PROTOCOL_TLS_CLIENT: (SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol12),
+}
+
+if hasattr(ssl, "PROTOCOL_SSLv2"):
+    _protocol_to_min_max[ssl.PROTOCOL_SSLv2] = (
+        SecurityConst.kSSLProtocol2,
+        SecurityConst.kSSLProtocol2,
+    )
+if hasattr(ssl, "PROTOCOL_SSLv3"):
+    _protocol_to_min_max[ssl.PROTOCOL_SSLv3] = (
+        SecurityConst.kSSLProtocol3,
+        SecurityConst.kSSLProtocol3,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1] = (
+        SecurityConst.kTLSProtocol1,
+        SecurityConst.kTLSProtocol1,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1_1"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1_1] = (
+        SecurityConst.kTLSProtocol11,
+        SecurityConst.kTLSProtocol11,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1_2"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1_2] = (
+        SecurityConst.kTLSProtocol12,
+        SecurityConst.kTLSProtocol12,
+    )
+
+
+def inject_into_urllib3():
+    """
+    Monkey-patch urllib3 with SecureTransport-backed SSL-support.
+    """
+    util.SSLContext = SecureTransportContext
+    util.ssl_.SSLContext = SecureTransportContext
+    util.HAS_SNI = HAS_SNI
+    util.ssl_.HAS_SNI = HAS_SNI
+    util.IS_SECURETRANSPORT = True
+    util.ssl_.IS_SECURETRANSPORT = True
+
+
+def extract_from_urllib3():
+    """
+    Undo monkey-patching by :func:`inject_into_urllib3`.
+    """
+    util.SSLContext = orig_util_SSLContext
+    util.ssl_.SSLContext = orig_util_SSLContext
+    util.HAS_SNI = orig_util_HAS_SNI
+    util.ssl_.HAS_SNI = orig_util_HAS_SNI
+    util.IS_SECURETRANSPORT = False
+    util.ssl_.IS_SECURETRANSPORT = False
+
+
+def _read_callback(connection_id, data_buffer, data_length_pointer):
+    """
+    SecureTransport read callback. This is called by ST to request that data
+    be returned from the socket.
+    """
+    wrapped_socket = None
+    try:
+        wrapped_socket = _connection_refs.get(connection_id)
+        if wrapped_socket is None:
+            return SecurityConst.errSSLInternal
+        base_socket = wrapped_socket.socket
+
+        requested_length = data_length_pointer[0]
+
+        timeout = wrapped_socket.gettimeout()
+        error = None
+        read_count = 0
+
+        try:
+            while read_count < requested_length:
+                if timeout is None or timeout >= 0:
+                    if not util.wait_for_read(base_socket, timeout):
+                        raise socket.error(errno.EAGAIN, "timed out")
+
+                remaining = requested_length - read_count
+                buffer = (ctypes.c_char * remaining).from_address(
+                    data_buffer + read_count
+                )
+                chunk_size = base_socket.recv_into(buffer, remaining)
+                read_count += chunk_size
+                if not chunk_size:
+                    if not read_count:
+                        return SecurityConst.errSSLClosedGraceful
+                    break
+        except (socket.error) as e:
+            error = e.errno
+
+            if error is not None and error != errno.EAGAIN:
+                data_length_pointer[0] = read_count
+                if error == errno.ECONNRESET or error == errno.EPIPE:
+                    return SecurityConst.errSSLClosedAbort
+                raise
+
+        data_length_pointer[0] = read_count
+
+        if read_count != requested_length:
+            return SecurityConst.errSSLWouldBlock
+
+        return 0
+    except Exception as e:
+        if wrapped_socket is not None:
+            wrapped_socket._exception = e
+        return SecurityConst.errSSLInternal
+
+
+def _write_callback(connection_id, data_buffer, data_length_pointer):
+    """
+    SecureTransport write callback. This is called by ST to request that data
+    actually be sent on the network.
+    """
+    wrapped_socket = None
+    try:
+        wrapped_socket = _connection_refs.get(connection_id)
+        if wrapped_socket is None:
+            return SecurityConst.errSSLInternal
+        base_socket = wrapped_socket.socket
+
+        bytes_to_write = data_length_pointer[0]
+        data = ctypes.string_at(data_buffer, bytes_to_write)
+
+        timeout = wrapped_socket.gettimeout()
+        error = None
+        sent = 0
+
+        try:
+            while sent < bytes_to_write:
+                if timeout is None or timeout >= 0:
+                    if not util.wait_for_write(base_socket, timeout):
+                        raise socket.error(errno.EAGAIN, "timed out")
+                chunk_sent = base_socket.send(data)
+                sent += chunk_sent
+
+                # This has some needless copying here, but I'm not sure there's
+                # much value in optimising this data path.
+                data = data[chunk_sent:]
+        except (socket.error) as e:
+            error = e.errno
+
+            if error is not None and error != errno.EAGAIN:
+                data_length_pointer[0] = sent
+                if error == errno.ECONNRESET or error == errno.EPIPE:
+                    return SecurityConst.errSSLClosedAbort
+                raise
+
+        data_length_pointer[0] = sent
+
+        if sent != bytes_to_write:
+            return SecurityConst.errSSLWouldBlock
+
+        return 0
+    except Exception as e:
+        if wrapped_socket is not None:
+            wrapped_socket._exception = e
+        return SecurityConst.errSSLInternal
+
+
+# We need to keep these two objects references alive: if they get GC'd while
+# in use then SecureTransport could attempt to call a function that is in freed
+# memory. That would be...uh...bad. Yeah, that's the word. Bad.
+_read_callback_pointer = Security.SSLReadFunc(_read_callback)
+_write_callback_pointer = Security.SSLWriteFunc(_write_callback)
+
+
+class WrappedSocket(object):
+    """
+    API-compatibility wrapper for Python's OpenSSL wrapped socket object.
+
+    Note: _makefile_refs, _drop(), and _reuse() are needed for the garbage
+    collector of PyPy.
+    """
+
+    def __init__(self, socket):
+        self.socket = socket
+        self.context = None
+        self._makefile_refs = 0
+        self._closed = False
+        self._exception = None
+        self._keychain = None
+        self._keychain_dir = None
+        self._client_cert_chain = None
+
+        # We save off the previously-configured timeout and then set it to
+        # zero. This is done because we use select and friends to handle the
+        # timeouts, but if we leave the timeout set on the lower socket then
+        # Python will "kindly" call select on that socket again for us. Avoid
+        # that by forcing the timeout to zero.
+        self._timeout = self.socket.gettimeout()
+        self.socket.settimeout(0)
+
+    @contextlib.contextmanager
+    def _raise_on_error(self):
+        """
+        A context manager that can be used to wrap calls that do I/O from
+        SecureTransport. If any of the I/O callbacks hit an exception, this
+        context manager will correctly propagate the exception after the fact.
+        This avoids silently swallowing those exceptions.
+
+        It also correctly forces the socket closed.
+        """
+        self._exception = None
+
+        # We explicitly don't catch around this yield because in the unlikely
+        # event that an exception was hit in the block we don't want to swallow
+        # it.
+        yield
+        if self._exception is not None:
+            exception, self._exception = self._exception, None
+            self.close()
+            raise exception
+
+    def _set_ciphers(self):
+        """
+        Sets up the allowed ciphers. By default this matches the set in
+        util.ssl_.DEFAULT_CIPHERS, at least as supported by macOS. This is done
+        custom and doesn't allow changing at this time, mostly because parsing
+        OpenSSL cipher strings is going to be a freaking nightmare.
+        """
+        ciphers = (Security.SSLCipherSuite * len(CIPHER_SUITES))(*CIPHER_SUITES)
+        result = Security.SSLSetEnabledCiphers(
+            self.context, ciphers, len(CIPHER_SUITES)
+        )
+        _assert_no_error(result)
+
+    def _set_alpn_protocols(self, protocols):
+        """
+        Sets up the ALPN protocols on the context.
+        """
+        if not protocols:
+            return
+        protocols_arr = _create_cfstring_array(protocols)
+        try:
+            result = Security.SSLSetALPNProtocols(self.context, protocols_arr)
+            _assert_no_error(result)
+        finally:
+            CoreFoundation.CFRelease(protocols_arr)
+
+    def _custom_validate(self, verify, trust_bundle):
+        """
+        Called when we have set custom validation. We do this in two cases:
+        first, when cert validation is entirely disabled; and second, when
+        using a custom trust DB.
+        Raises an SSLError if the connection is not trusted.
+        """
+        # If we disabled cert validation, just say: cool.
+        if not verify:
+            return
+
+        successes = (
+            SecurityConst.kSecTrustResultUnspecified,
+            SecurityConst.kSecTrustResultProceed,
+        )
+        try:
+            trust_result = self._evaluate_trust(trust_bundle)
+            if trust_result in successes:
+                return
+            reason = "error code: %d" % (trust_result,)
+        except Exception as e:
+            # Do not trust on error
+            reason = "exception: %r" % (e,)
+
+        # SecureTransport does not send an alert nor shuts down the connection.
+        rec = _build_tls_unknown_ca_alert(self.version())
+        self.socket.sendall(rec)
+        # close the connection immediately
+        # l_onoff = 1, activate linger
+        # l_linger = 0, linger for 0 seoncds
+        opts = struct.pack("ii", 1, 0)
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, opts)
+        self.close()
+        raise ssl.SSLError("certificate verify failed, %s" % reason)
+
+    def _evaluate_trust(self, trust_bundle):
+        # We want data in memory, so load it up.
+        if os.path.isfile(trust_bundle):
+            with open(trust_bundle, "rb") as f:
+                trust_bundle = f.read()
+
+        cert_array = None
+        trust = Security.SecTrustRef()
+
+        try:
+            # Get a CFArray that contains the certs we want.
+            cert_array = _cert_array_from_pem(trust_bundle)
+
+            # Ok, now the hard part. We want to get the SecTrustRef that ST has
+            # created for this connection, shove our CAs into it, tell ST to
+            # ignore everything else it knows, and then ask if it can build a
+            # chain. This is a buuuunch of code.
+            result = Security.SSLCopyPeerTrust(self.context, ctypes.byref(trust))
+            _assert_no_error(result)
+            if not trust:
+                raise ssl.SSLError("Failed to copy trust reference")
+
+            result = Security.SecTrustSetAnchorCertificates(trust, cert_array)
+            _assert_no_error(result)
+
+            result = Security.SecTrustSetAnchorCertificatesOnly(trust, True)
+            _assert_no_error(result)
+
+            trust_result = Security.SecTrustResultType()
+            result = Security.SecTrustEvaluate(trust, ctypes.byref(trust_result))
+            _assert_no_error(result)
+        finally:
+            if trust:
+                CoreFoundation.CFRelease(trust)
+
+            if cert_array is not None:
+                CoreFoundation.CFRelease(cert_array)
+
+        return trust_result.value
+
+    def handshake(
+        self,
+        server_hostname,
+        verify,
+        trust_bundle,
+        min_version,
+        max_version,
+        client_cert,
+        client_key,
+        client_key_passphrase,
+        alpn_protocols,
+    ):
+        """
+        Actually performs the TLS handshake. This is run automatically by
+        wrapped socket, and shouldn't be needed in user code.
+        """
+        # First, we do the initial bits of connection setup. We need to create
+        # a context, set its I/O funcs, and set the connection reference.
+        self.context = Security.SSLCreateContext(
+            None, SecurityConst.kSSLClientSide, SecurityConst.kSSLStreamType
+        )
+        result = Security.SSLSetIOFuncs(
+            self.context, _read_callback_pointer, _write_callback_pointer
+        )
+        _assert_no_error(result)
+
+        # Here we need to compute the handle to use. We do this by taking the
+        # id of self modulo 2**31 - 1. If this is already in the dictionary, we
+        # just keep incrementing by one until we find a free space.
+        with _connection_ref_lock:
+            handle = id(self) % 2147483647
+            while handle in _connection_refs:
+                handle = (handle + 1) % 2147483647
+            _connection_refs[handle] = self
+
+        result = Security.SSLSetConnection(self.context, handle)
+        _assert_no_error(result)
+
+        # If we have a server hostname, we should set that too.
+        if server_hostname:
+            if not isinstance(server_hostname, bytes):
+                server_hostname = server_hostname.encode("utf-8")
+
+            result = Security.SSLSetPeerDomainName(
+                self.context, server_hostname, len(server_hostname)
+            )
+            _assert_no_error(result)
+
+        # Setup the ciphers.
+        self._set_ciphers()
+
+        # Setup the ALPN protocols.
+        self._set_alpn_protocols(alpn_protocols)
+
+        # Set the minimum and maximum TLS versions.
+        result = Security.SSLSetProtocolVersionMin(self.context, min_version)
+        _assert_no_error(result)
+
+        result = Security.SSLSetProtocolVersionMax(self.context, max_version)
+        _assert_no_error(result)
+
+        # If there's a trust DB, we need to use it. We do that by telling
+        # SecureTransport to break on server auth. We also do that if we don't
+        # want to validate the certs at all: we just won't actually do any
+        # authing in that case.
+        if not verify or trust_bundle is not None:
+            result = Security.SSLSetSessionOption(
+                self.context, SecurityConst.kSSLSessionOptionBreakOnServerAuth, True
+            )
+            _assert_no_error(result)
+
+        # If there's a client cert, we need to use it.
+        if client_cert:
+            self._keychain, self._keychain_dir = _temporary_keychain()
+            self._client_cert_chain = _load_client_cert_chain(
+                self._keychain, client_cert, client_key
+            )
+            result = Security.SSLSetCertificate(self.context, self._client_cert_chain)
+            _assert_no_error(result)
+
+        while True:
+            with self._raise_on_error():
+                result = Security.SSLHandshake(self.context)
+
+                if result == SecurityConst.errSSLWouldBlock:
+                    raise socket.timeout("handshake timed out")
+                elif result == SecurityConst.errSSLServerAuthCompleted:
+                    self._custom_validate(verify, trust_bundle)
+                    continue
+                else:
+                    _assert_no_error(result)
+                    break
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    # Copy-pasted from Python 3.5 source code
+    def _decref_socketios(self):
+        if self._makefile_refs > 0:
+            self._makefile_refs -= 1
+        if self._closed:
+            self.close()
+
+    def recv(self, bufsiz):
+        buffer = ctypes.create_string_buffer(bufsiz)
+        bytes_read = self.recv_into(buffer, bufsiz)
+        data = buffer[:bytes_read]
+        return data
+
+    def recv_into(self, buffer, nbytes=None):
+        # Read short on EOF.
+        if self._closed:
+            return 0
+
+        if nbytes is None:
+            nbytes = len(buffer)
+
+        buffer = (ctypes.c_char * nbytes).from_buffer(buffer)
+        processed_bytes = ctypes.c_size_t(0)
+
+        with self._raise_on_error():
+            result = Security.SSLRead(
+                self.context, buffer, nbytes, ctypes.byref(processed_bytes)
+            )
+
+        # There are some result codes that we want to treat as "not always
+        # errors". Specifically, those are errSSLWouldBlock,
+        # errSSLClosedGraceful, and errSSLClosedNoNotify.
+        if result == SecurityConst.errSSLWouldBlock:
+            # If we didn't process any bytes, then this was just a time out.
+            # However, we can get errSSLWouldBlock in situations when we *did*
+            # read some data, and in those cases we should just read "short"
+            # and return.
+            if processed_bytes.value == 0:
+                # Timed out, no data read.
+                raise socket.timeout("recv timed out")
+        elif result in (
+            SecurityConst.errSSLClosedGraceful,
+            SecurityConst.errSSLClosedNoNotify,
+        ):
+            # The remote peer has closed this connection. We should do so as
+            # well. Note that we don't actually return here because in
+            # principle this could actually be fired along with return data.
+            # It's unlikely though.
+            self.close()
+        else:
+            _assert_no_error(result)
+
+        # Ok, we read and probably succeeded. We should return whatever data
+        # was actually read.
+        return processed_bytes.value
+
+    def settimeout(self, timeout):
+        self._timeout = timeout
+
+    def gettimeout(self):
+        return self._timeout
+
+    def send(self, data):
+        processed_bytes = ctypes.c_size_t(0)
+
+        with self._raise_on_error():
+            result = Security.SSLWrite(
+                self.context, data, len(data), ctypes.byref(processed_bytes)
+            )
+
+        if result == SecurityConst.errSSLWouldBlock and processed_bytes.value == 0:
+            # Timed out
+            raise socket.timeout("send timed out")
+        else:
+            _assert_no_error(result)
+
+        # We sent, and probably succeeded. Tell them how much we sent.
+        return processed_bytes.value
+
+    def sendall(self, data):
+        total_sent = 0
+        while total_sent < len(data):
+            sent = self.send(data[total_sent : total_sent + SSL_WRITE_BLOCKSIZE])
+            total_sent += sent
+
+    def shutdown(self):
+        with self._raise_on_error():
+            Security.SSLClose(self.context)
+
+    def close(self):
+        # TODO: should I do clean shutdown here? Do I have to?
+        if self._makefile_refs < 1:
+            self._closed = True
+            if self.context:
+                CoreFoundation.CFRelease(self.context)
+                self.context = None
+            if self._client_cert_chain:
+                CoreFoundation.CFRelease(self._client_cert_chain)
+                self._client_cert_chain = None
+            if self._keychain:
+                Security.SecKeychainDelete(self._keychain)
+                CoreFoundation.CFRelease(self._keychain)
+                shutil.rmtree(self._keychain_dir)
+                self._keychain = self._keychain_dir = None
+            return self.socket.close()
+        else:
+            self._makefile_refs -= 1
+
+    def getpeercert(self, binary_form=False):
+        # Urgh, annoying.
+        #
+        # Here's how we do this:
+        #
+        # 1. Call SSLCopyPeerTrust to get hold of the trust object for this
+        #    connection.
+        # 2. Call SecTrustGetCertificateAtIndex for index 0 to get the leaf.
+        # 3. To get the CN, call SecCertificateCopyCommonName and process that
+        #    string so that it's of the appropriate type.
+        # 4. To get the SAN, we need to do something a bit more complex:
+        #    a. Call SecCertificateCopyValues to get the data, requesting
+        #       kSecOIDSubjectAltName.
+        #    b. Mess about with this dictionary to try to get the SANs out.
+        #
+        # This is gross. Really gross. It's going to be a few hundred LoC extra
+        # just to repeat something that SecureTransport can *already do*. So my
+        # operating assumption at this time is that what we want to do is
+        # instead to just flag to urllib3 that it shouldn't do its own hostname
+        # validation when using SecureTransport.
+        if not binary_form:
+            raise ValueError("SecureTransport only supports dumping binary certs")
+        trust = Security.SecTrustRef()
+        certdata = None
+        der_bytes = None
+
+        try:
+            # Grab the trust store.
+            result = Security.SSLCopyPeerTrust(self.context, ctypes.byref(trust))
+            _assert_no_error(result)
+            if not trust:
+                # Probably we haven't done the handshake yet. No biggie.
+                return None
+
+            cert_count = Security.SecTrustGetCertificateCount(trust)
+            if not cert_count:
+                # Also a case that might happen if we haven't handshaked.
+                # Handshook? Handshaken?
+                return None
+
+            leaf = Security.SecTrustGetCertificateAtIndex(trust, 0)
+            assert leaf
+
+            # Ok, now we want the DER bytes.
+            certdata = Security.SecCertificateCopyData(leaf)
+            assert certdata
+
+            data_length = CoreFoundation.CFDataGetLength(certdata)
+            data_buffer = CoreFoundation.CFDataGetBytePtr(certdata)
+            der_bytes = ctypes.string_at(data_buffer, data_length)
+        finally:
+            if certdata:
+                CoreFoundation.CFRelease(certdata)
+            if trust:
+                CoreFoundation.CFRelease(trust)
+
+        return der_bytes
+
+    def version(self):
+        protocol = Security.SSLProtocol()
+        result = Security.SSLGetNegotiatedProtocolVersion(
+            self.context, ctypes.byref(protocol)
+        )
+        _assert_no_error(result)
+        if protocol.value == SecurityConst.kTLSProtocol13:
+            raise ssl.SSLError("SecureTransport does not support TLS 1.3")
+        elif protocol.value == SecurityConst.kTLSProtocol12:
+            return "TLSv1.2"
+        elif protocol.value == SecurityConst.kTLSProtocol11:
+            return "TLSv1.1"
+        elif protocol.value == SecurityConst.kTLSProtocol1:
+            return "TLSv1"
+        elif protocol.value == SecurityConst.kSSLProtocol3:
+            return "SSLv3"
+        elif protocol.value == SecurityConst.kSSLProtocol2:
+            return "SSLv2"
+        else:
+            raise ssl.SSLError("Unknown TLS version: %r" % protocol)
+
+    def _reuse(self):
+        self._makefile_refs += 1
+
+    def _drop(self):
+        if self._makefile_refs < 1:
+            self.close()
+        else:
+            self._makefile_refs -= 1
+
+
+if _fileobject:  # Platform-specific: Python 2
+
+    def makefile(self, mode, bufsize=-1):
+        self._makefile_refs += 1
+        return _fileobject(self, mode, bufsize, close=True)
+
+
+else:  # Platform-specific: Python 3
+
+    def makefile(self, mode="r", buffering=None, *args, **kwargs):
+        # We disable buffering with SecureTransport because it conflicts with
+        # the buffering that ST does internally (see issue #1153 for more).
+        buffering = 0
+        return backport_makefile(self, mode, buffering, *args, **kwargs)
+
+
+WrappedSocket.makefile = makefile
+
+
+class SecureTransportContext(object):
+    """
+    I am a wrapper class for the SecureTransport library, to translate the
+    interface of the standard library ``SSLContext`` object to calls into
+    SecureTransport.
+    """
+
+    def __init__(self, protocol):
+        self._min_version, self._max_version = _protocol_to_min_max[protocol]
+        self._options = 0
+        self._verify = False
+        self._trust_bundle = None
+        self._client_cert = None
+        self._client_key = None
+        self._client_key_passphrase = None
+        self._alpn_protocols = None
+
+    @property
+    def check_hostname(self):
+        """
+        SecureTransport cannot have its hostname checking disabled. For more,
+        see the comment on getpeercert() in this file.
+        """
+        return True
+
+    @check_hostname.setter
+    def check_hostname(self, value):
+        """
+        SecureTransport cannot have its hostname checking disabled. For more,
+        see the comment on getpeercert() in this file.
+        """
+        pass
+
+    @property
+    def options(self):
+        # TODO: Well, crap.
+        #
+        # So this is the bit of the code that is the most likely to cause us
+        # trouble. Essentially we need to enumerate all of the SSL options that
+        # users might want to use and try to see if we can sensibly translate
+        # them, or whether we should just ignore them.
+        return self._options
+
+    @options.setter
+    def options(self, value):
+        # TODO: Update in line with above.
+        self._options = value
+
+    @property
+    def verify_mode(self):
+        return ssl.CERT_REQUIRED if self._verify else ssl.CERT_NONE
+
+    @verify_mode.setter
+    def verify_mode(self, value):
+        self._verify = True if value == ssl.CERT_REQUIRED else False
+
+    def set_default_verify_paths(self):
+        # So, this has to do something a bit weird. Specifically, what it does
+        # is nothing.
+        #
+        # This means that, if we had previously had load_verify_locations
+        # called, this does not undo that. We need to do that because it turns
+        # out that the rest of the urllib3 code will attempt to load the
+        # default verify paths if it hasn't been told about any paths, even if
+        # the context itself was sometime earlier. We resolve that by just
+        # ignoring it.
+        pass
+
+    def load_default_certs(self):
+        return self.set_default_verify_paths()
+
+    def set_ciphers(self, ciphers):
+        # For now, we just require the default cipher string.
+        if ciphers != util.ssl_.DEFAULT_CIPHERS:
+            raise ValueError("SecureTransport doesn't support custom cipher strings")
+
+    def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+        # OK, we only really support cadata and cafile.
+        if capath is not None:
+            raise ValueError("SecureTransport does not support cert directories")
+
+        # Raise if cafile does not exist.
+        if cafile is not None:
+            with open(cafile):
+                pass
+
+        self._trust_bundle = cafile or cadata
+
+    def load_cert_chain(self, certfile, keyfile=None, password=None):
+        self._client_cert = certfile
+        self._client_key = keyfile
+        self._client_cert_passphrase = password
+
+    def set_alpn_protocols(self, protocols):
+        """
+        Sets the ALPN protocols that will later be set on the context.
+
+        Raises a NotImplementedError if ALPN is not supported.
+        """
+        if not hasattr(Security, "SSLSetALPNProtocols"):
+            raise NotImplementedError(
+                "SecureTransport supports ALPN only in macOS 10.12+"
+            )
+        self._alpn_protocols = [six.ensure_binary(p) for p in protocols]
+
+    def wrap_socket(
+        self,
+        sock,
+        server_side=False,
+        do_handshake_on_connect=True,
+        suppress_ragged_eofs=True,
+        server_hostname=None,
+    ):
+        # So, what do we do here? Firstly, we assert some properties. This is a
+        # stripped down shim, so there is some functionality we don't support.
+        # See PEP 543 for the real deal.
+        assert not server_side
+        assert do_handshake_on_connect
+        assert suppress_ragged_eofs
+
+        # Ok, we're good to go. Now we want to create the wrapped socket object
+        # and store it in the appropriate place.
+        wrapped_socket = WrappedSocket(sock)
+
+        # Now we can handshake
+        wrapped_socket.handshake(
+            server_hostname,
+            self._verify,
+            self._trust_bundle,
+            self._min_version,
+            self._max_version,
+            self._client_cert,
+            self._client_key,
+            self._client_key_passphrase,
+            self._alpn_protocols,
+        )
+        return wrapped_socket
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/socks.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/socks.py
new file mode 100644
index 0000000000000000000000000000000000000000..c326e80dd117458ff6e71741ca57359629b05ae4
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/contrib/socks.py
@@ -0,0 +1,216 @@
+# -*- coding: utf-8 -*-
+"""
+This module contains provisional support for SOCKS proxies from within
+urllib3. This module supports SOCKS4, SOCKS4A (an extension of SOCKS4), and
+SOCKS5. To enable its functionality, either install PySocks or install this
+module with the ``socks`` extra.
+
+The SOCKS implementation supports the full range of urllib3 features. It also
+supports the following SOCKS features:
+
+- SOCKS4A (``proxy_url='socks4a://...``)
+- SOCKS4 (``proxy_url='socks4://...``)
+- SOCKS5 with remote DNS (``proxy_url='socks5h://...``)
+- SOCKS5 with local DNS (``proxy_url='socks5://...``)
+- Usernames and passwords for the SOCKS proxy
+
+.. note::
+   It is recommended to use ``socks5h://`` or ``socks4a://`` schemes in
+   your ``proxy_url`` to ensure that DNS resolution is done from the remote
+   server instead of client-side when connecting to a domain name.
+
+SOCKS4 supports IPv4 and domain names with the SOCKS4A extension. SOCKS5
+supports IPv4, IPv6, and domain names.
+
+When connecting to a SOCKS4 proxy the ``username`` portion of the ``proxy_url``
+will be sent as the ``userid`` section of the SOCKS request:
+
+.. code-block:: python
+
+    proxy_url="socks4a://<userid>@proxy-host"
+
+When connecting to a SOCKS5 proxy the ``username`` and ``password`` portion
+of the ``proxy_url`` will be sent as the username/password to authenticate
+with the proxy:
+
+.. code-block:: python
+
+    proxy_url="socks5h://<username>:<password>@proxy-host"
+
+"""
+from __future__ import absolute_import
+
+try:
+    import socks
+except ImportError:
+    import warnings
+
+    from ..exceptions import DependencyWarning
+
+    warnings.warn(
+        (
+            "SOCKS support in urllib3 requires the installation of optional "
+            "dependencies: specifically, PySocks.  For more information, see "
+            "https://urllib3.readthedocs.io/en/1.26.x/contrib.html#socks-proxies"
+        ),
+        DependencyWarning,
+    )
+    raise
+
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+from ..connection import HTTPConnection, HTTPSConnection
+from ..connectionpool import HTTPConnectionPool, HTTPSConnectionPool
+from ..exceptions import ConnectTimeoutError, NewConnectionError
+from ..poolmanager import PoolManager
+from ..util.url import parse_url
+
+try:
+    import ssl
+except ImportError:
+    ssl = None
+
+
+class SOCKSConnection(HTTPConnection):
+    """
+    A plain-text HTTP connection that connects via a SOCKS proxy.
+    """
+
+    def __init__(self, *args, **kwargs):
+        self._socks_options = kwargs.pop("_socks_options")
+        super(SOCKSConnection, self).__init__(*args, **kwargs)
+
+    def _new_conn(self):
+        """
+        Establish a new connection via the SOCKS proxy.
+        """
+        extra_kw = {}
+        if self.source_address:
+            extra_kw["source_address"] = self.source_address
+
+        if self.socket_options:
+            extra_kw["socket_options"] = self.socket_options
+
+        try:
+            conn = socks.create_connection(
+                (self.host, self.port),
+                proxy_type=self._socks_options["socks_version"],
+                proxy_addr=self._socks_options["proxy_host"],
+                proxy_port=self._socks_options["proxy_port"],
+                proxy_username=self._socks_options["username"],
+                proxy_password=self._socks_options["password"],
+                proxy_rdns=self._socks_options["rdns"],
+                timeout=self.timeout,
+                **extra_kw
+            )
+
+        except SocketTimeout:
+            raise ConnectTimeoutError(
+                self,
+                "Connection to %s timed out. (connect timeout=%s)"
+                % (self.host, self.timeout),
+            )
+
+        except socks.ProxyError as e:
+            # This is fragile as hell, but it seems to be the only way to raise
+            # useful errors here.
+            if e.socket_err:
+                error = e.socket_err
+                if isinstance(error, SocketTimeout):
+                    raise ConnectTimeoutError(
+                        self,
+                        "Connection to %s timed out. (connect timeout=%s)"
+                        % (self.host, self.timeout),
+                    )
+                else:
+                    raise NewConnectionError(
+                        self, "Failed to establish a new connection: %s" % error
+                    )
+            else:
+                raise NewConnectionError(
+                    self, "Failed to establish a new connection: %s" % e
+                )
+
+        except SocketError as e:  # Defensive: PySocks should catch all these.
+            raise NewConnectionError(
+                self, "Failed to establish a new connection: %s" % e
+            )
+
+        return conn
+
+
+# We don't need to duplicate the Verified/Unverified distinction from
+# urllib3/connection.py here because the HTTPSConnection will already have been
+# correctly set to either the Verified or Unverified form by that module. This
+# means the SOCKSHTTPSConnection will automatically be the correct type.
+class SOCKSHTTPSConnection(SOCKSConnection, HTTPSConnection):
+    pass
+
+
+class SOCKSHTTPConnectionPool(HTTPConnectionPool):
+    ConnectionCls = SOCKSConnection
+
+
+class SOCKSHTTPSConnectionPool(HTTPSConnectionPool):
+    ConnectionCls = SOCKSHTTPSConnection
+
+
+class SOCKSProxyManager(PoolManager):
+    """
+    A version of the urllib3 ProxyManager that routes connections via the
+    defined SOCKS proxy.
+    """
+
+    pool_classes_by_scheme = {
+        "http": SOCKSHTTPConnectionPool,
+        "https": SOCKSHTTPSConnectionPool,
+    }
+
+    def __init__(
+        self,
+        proxy_url,
+        username=None,
+        password=None,
+        num_pools=10,
+        headers=None,
+        **connection_pool_kw
+    ):
+        parsed = parse_url(proxy_url)
+
+        if username is None and password is None and parsed.auth is not None:
+            split = parsed.auth.split(":")
+            if len(split) == 2:
+                username, password = split
+        if parsed.scheme == "socks5":
+            socks_version = socks.PROXY_TYPE_SOCKS5
+            rdns = False
+        elif parsed.scheme == "socks5h":
+            socks_version = socks.PROXY_TYPE_SOCKS5
+            rdns = True
+        elif parsed.scheme == "socks4":
+            socks_version = socks.PROXY_TYPE_SOCKS4
+            rdns = False
+        elif parsed.scheme == "socks4a":
+            socks_version = socks.PROXY_TYPE_SOCKS4
+            rdns = True
+        else:
+            raise ValueError("Unable to determine SOCKS version from %s" % proxy_url)
+
+        self.proxy_url = proxy_url
+
+        socks_options = {
+            "socks_version": socks_version,
+            "proxy_host": parsed.host,
+            "proxy_port": parsed.port,
+            "username": username,
+            "password": password,
+            "rdns": rdns,
+        }
+        connection_pool_kw["_socks_options"] = socks_options
+
+        super(SOCKSProxyManager, self).__init__(
+            num_pools, headers, **connection_pool_kw
+        )
+
+        self.pool_classes_by_scheme = SOCKSProxyManager.pool_classes_by_scheme
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/exceptions.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/exceptions.py
new file mode 100644
index 0000000000000000000000000000000000000000..cba6f3f560f71b3b15ab6aaf21dde4f1bba1bd00
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/exceptions.py
@@ -0,0 +1,323 @@
+from __future__ import absolute_import
+
+from .packages.six.moves.http_client import IncompleteRead as httplib_IncompleteRead
+
+# Base Exceptions
+
+
+class HTTPError(Exception):
+    """Base exception used by this module."""
+
+    pass
+
+
+class HTTPWarning(Warning):
+    """Base warning used by this module."""
+
+    pass
+
+
+class PoolError(HTTPError):
+    """Base exception for errors caused within a pool."""
+
+    def __init__(self, pool, message):
+        self.pool = pool
+        HTTPError.__init__(self, "%s: %s" % (pool, message))
+
+    def __reduce__(self):
+        # For pickling purposes.
+        return self.__class__, (None, None)
+
+
+class RequestError(PoolError):
+    """Base exception for PoolErrors that have associated URLs."""
+
+    def __init__(self, pool, url, message):
+        self.url = url
+        PoolError.__init__(self, pool, message)
+
+    def __reduce__(self):
+        # For pickling purposes.
+        return self.__class__, (None, self.url, None)
+
+
+class SSLError(HTTPError):
+    """Raised when SSL certificate fails in an HTTPS connection."""
+
+    pass
+
+
+class ProxyError(HTTPError):
+    """Raised when the connection to a proxy fails."""
+
+    def __init__(self, message, error, *args):
+        super(ProxyError, self).__init__(message, error, *args)
+        self.original_error = error
+
+
+class DecodeError(HTTPError):
+    """Raised when automatic decoding based on Content-Type fails."""
+
+    pass
+
+
+class ProtocolError(HTTPError):
+    """Raised when something unexpected happens mid-request/response."""
+
+    pass
+
+
+#: Renamed to ProtocolError but aliased for backwards compatibility.
+ConnectionError = ProtocolError
+
+
+# Leaf Exceptions
+
+
+class MaxRetryError(RequestError):
+    """Raised when the maximum number of retries is exceeded.
+
+    :param pool: The connection pool
+    :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool`
+    :param string url: The requested Url
+    :param exceptions.Exception reason: The underlying error
+
+    """
+
+    def __init__(self, pool, url, reason=None):
+        self.reason = reason
+
+        message = "Max retries exceeded with url: %s (Caused by %r)" % (url, reason)
+
+        RequestError.__init__(self, pool, url, message)
+
+
+class HostChangedError(RequestError):
+    """Raised when an existing pool gets a request for a foreign host."""
+
+    def __init__(self, pool, url, retries=3):
+        message = "Tried to open a foreign host with url: %s" % url
+        RequestError.__init__(self, pool, url, message)
+        self.retries = retries
+
+
+class TimeoutStateError(HTTPError):
+    """Raised when passing an invalid state to a timeout"""
+
+    pass
+
+
+class TimeoutError(HTTPError):
+    """Raised when a socket timeout error occurs.
+
+    Catching this error will catch both :exc:`ReadTimeoutErrors
+    <ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`.
+    """
+
+    pass
+
+
+class ReadTimeoutError(TimeoutError, RequestError):
+    """Raised when a socket timeout occurs while receiving data from a server"""
+
+    pass
+
+
+# This timeout error does not have a URL attached and needs to inherit from the
+# base HTTPError
+class ConnectTimeoutError(TimeoutError):
+    """Raised when a socket timeout occurs while connecting to a server"""
+
+    pass
+
+
+class NewConnectionError(ConnectTimeoutError, PoolError):
+    """Raised when we fail to establish a new connection. Usually ECONNREFUSED."""
+
+    pass
+
+
+class EmptyPoolError(PoolError):
+    """Raised when a pool runs out of connections and no more are allowed."""
+
+    pass
+
+
+class ClosedPoolError(PoolError):
+    """Raised when a request enters a pool after the pool has been closed."""
+
+    pass
+
+
+class LocationValueError(ValueError, HTTPError):
+    """Raised when there is something wrong with a given URL input."""
+
+    pass
+
+
+class LocationParseError(LocationValueError):
+    """Raised when get_host or similar fails to parse the URL input."""
+
+    def __init__(self, location):
+        message = "Failed to parse: %s" % location
+        HTTPError.__init__(self, message)
+
+        self.location = location
+
+
+class URLSchemeUnknown(LocationValueError):
+    """Raised when a URL input has an unsupported scheme."""
+
+    def __init__(self, scheme):
+        message = "Not supported URL scheme %s" % scheme
+        super(URLSchemeUnknown, self).__init__(message)
+
+        self.scheme = scheme
+
+
+class ResponseError(HTTPError):
+    """Used as a container for an error reason supplied in a MaxRetryError."""
+
+    GENERIC_ERROR = "too many error responses"
+    SPECIFIC_ERROR = "too many {status_code} error responses"
+
+
+class SecurityWarning(HTTPWarning):
+    """Warned when performing security reducing actions"""
+
+    pass
+
+
+class SubjectAltNameWarning(SecurityWarning):
+    """Warned when connecting to a host with a certificate missing a SAN."""
+
+    pass
+
+
+class InsecureRequestWarning(SecurityWarning):
+    """Warned when making an unverified HTTPS request."""
+
+    pass
+
+
+class SystemTimeWarning(SecurityWarning):
+    """Warned when system time is suspected to be wrong"""
+
+    pass
+
+
+class InsecurePlatformWarning(SecurityWarning):
+    """Warned when certain TLS/SSL configuration is not available on a platform."""
+
+    pass
+
+
+class SNIMissingWarning(HTTPWarning):
+    """Warned when making a HTTPS request without SNI available."""
+
+    pass
+
+
+class DependencyWarning(HTTPWarning):
+    """
+    Warned when an attempt is made to import a module with missing optional
+    dependencies.
+    """
+
+    pass
+
+
+class ResponseNotChunked(ProtocolError, ValueError):
+    """Response needs to be chunked in order to read it as chunks."""
+
+    pass
+
+
+class BodyNotHttplibCompatible(HTTPError):
+    """
+    Body should be :class:`http.client.HTTPResponse` like
+    (have an fp attribute which returns raw chunks) for read_chunked().
+    """
+
+    pass
+
+
+class IncompleteRead(HTTPError, httplib_IncompleteRead):
+    """
+    Response length doesn't match expected Content-Length
+
+    Subclass of :class:`http.client.IncompleteRead` to allow int value
+    for ``partial`` to avoid creating large objects on streamed reads.
+    """
+
+    def __init__(self, partial, expected):
+        super(IncompleteRead, self).__init__(partial, expected)
+
+    def __repr__(self):
+        return "IncompleteRead(%i bytes read, %i more expected)" % (
+            self.partial,
+            self.expected,
+        )
+
+
+class InvalidChunkLength(HTTPError, httplib_IncompleteRead):
+    """Invalid chunk length in a chunked response."""
+
+    def __init__(self, response, length):
+        super(InvalidChunkLength, self).__init__(
+            response.tell(), response.length_remaining
+        )
+        self.response = response
+        self.length = length
+
+    def __repr__(self):
+        return "InvalidChunkLength(got length %r, %i bytes read)" % (
+            self.length,
+            self.partial,
+        )
+
+
+class InvalidHeader(HTTPError):
+    """The header provided was somehow invalid."""
+
+    pass
+
+
+class ProxySchemeUnknown(AssertionError, URLSchemeUnknown):
+    """ProxyManager does not support the supplied scheme"""
+
+    # TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
+
+    def __init__(self, scheme):
+        # 'localhost' is here because our URL parser parses
+        # localhost:8080 -> scheme=localhost, remove if we fix this.
+        if scheme == "localhost":
+            scheme = None
+        if scheme is None:
+            message = "Proxy URL had no scheme, should start with http:// or https://"
+        else:
+            message = (
+                "Proxy URL had unsupported scheme %s, should use http:// or https://"
+                % scheme
+            )
+        super(ProxySchemeUnknown, self).__init__(message)
+
+
+class ProxySchemeUnsupported(ValueError):
+    """Fetching HTTPS resources through HTTPS proxies is unsupported"""
+
+    pass
+
+
+class HeaderParsingError(HTTPError):
+    """Raised by assert_header_parsing, but we convert it to a log.warning statement."""
+
+    def __init__(self, defects, unparsed_data):
+        message = "%s, unparsed data: %r" % (defects or "Unknown", unparsed_data)
+        super(HeaderParsingError, self).__init__(message)
+
+
+class UnrewindableBodyError(HTTPError):
+    """urllib3 encountered an error when trying to rewind a body"""
+
+    pass
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/fields.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/fields.py
new file mode 100644
index 0000000000000000000000000000000000000000..9d630f491d9a39644ae65564dac88eb51f0bbe78
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/fields.py
@@ -0,0 +1,274 @@
+from __future__ import absolute_import
+
+import email.utils
+import mimetypes
+import re
+
+from .packages import six
+
+
+def guess_content_type(filename, default="application/octet-stream"):
+    """
+    Guess the "Content-Type" of a file.
+
+    :param filename:
+        The filename to guess the "Content-Type" of using :mod:`mimetypes`.
+    :param default:
+        If no "Content-Type" can be guessed, default to `default`.
+    """
+    if filename:
+        return mimetypes.guess_type(filename)[0] or default
+    return default
+
+
+def format_header_param_rfc2231(name, value):
+    """
+    Helper function to format and quote a single header parameter using the
+    strategy defined in RFC 2231.
+
+    Particularly useful for header parameters which might contain
+    non-ASCII values, like file names. This follows
+    `RFC 2388 Section 4.4 <https://tools.ietf.org/html/rfc2388#section-4.4>`_.
+
+    :param name:
+        The name of the parameter, a string expected to be ASCII only.
+    :param value:
+        The value of the parameter, provided as ``bytes`` or `str``.
+    :ret:
+        An RFC-2231-formatted unicode string.
+    """
+    if isinstance(value, six.binary_type):
+        value = value.decode("utf-8")
+
+    if not any(ch in value for ch in '"\\\r\n'):
+        result = u'%s="%s"' % (name, value)
+        try:
+            result.encode("ascii")
+        except (UnicodeEncodeError, UnicodeDecodeError):
+            pass
+        else:
+            return result
+
+    if six.PY2:  # Python 2:
+        value = value.encode("utf-8")
+
+    # encode_rfc2231 accepts an encoded string and returns an ascii-encoded
+    # string in Python 2 but accepts and returns unicode strings in Python 3
+    value = email.utils.encode_rfc2231(value, "utf-8")
+    value = "%s*=%s" % (name, value)
+
+    if six.PY2:  # Python 2:
+        value = value.decode("utf-8")
+
+    return value
+
+
+_HTML5_REPLACEMENTS = {
+    u"\u0022": u"%22",
+    # Replace "\" with "\\".
+    u"\u005C": u"\u005C\u005C",
+}
+
+# All control characters from 0x00 to 0x1F *except* 0x1B.
+_HTML5_REPLACEMENTS.update(
+    {
+        six.unichr(cc): u"%{:02X}".format(cc)
+        for cc in range(0x00, 0x1F + 1)
+        if cc not in (0x1B,)
+    }
+)
+
+
+def _replace_multiple(value, needles_and_replacements):
+    def replacer(match):
+        return needles_and_replacements[match.group(0)]
+
+    pattern = re.compile(
+        r"|".join([re.escape(needle) for needle in needles_and_replacements.keys()])
+    )
+
+    result = pattern.sub(replacer, value)
+
+    return result
+
+
+def format_header_param_html5(name, value):
+    """
+    Helper function to format and quote a single header parameter using the
+    HTML5 strategy.
+
+    Particularly useful for header parameters which might contain
+    non-ASCII values, like file names. This follows the `HTML5 Working Draft
+    Section 4.10.22.7`_ and matches the behavior of curl and modern browsers.
+
+    .. _HTML5 Working Draft Section 4.10.22.7:
+        https://w3c.github.io/html/sec-forms.html#multipart-form-data
+
+    :param name:
+        The name of the parameter, a string expected to be ASCII only.
+    :param value:
+        The value of the parameter, provided as ``bytes`` or `str``.
+    :ret:
+        A unicode string, stripped of troublesome characters.
+    """
+    if isinstance(value, six.binary_type):
+        value = value.decode("utf-8")
+
+    value = _replace_multiple(value, _HTML5_REPLACEMENTS)
+
+    return u'%s="%s"' % (name, value)
+
+
+# For backwards-compatibility.
+format_header_param = format_header_param_html5
+
+
+class RequestField(object):
+    """
+    A data container for request body parameters.
+
+    :param name:
+        The name of this request field. Must be unicode.
+    :param data:
+        The data/value body.
+    :param filename:
+        An optional filename of the request field. Must be unicode.
+    :param headers:
+        An optional dict-like object of headers to initially use for the field.
+    :param header_formatter:
+        An optional callable that is used to encode and format the headers. By
+        default, this is :func:`format_header_param_html5`.
+    """
+
+    def __init__(
+        self,
+        name,
+        data,
+        filename=None,
+        headers=None,
+        header_formatter=format_header_param_html5,
+    ):
+        self._name = name
+        self._filename = filename
+        self.data = data
+        self.headers = {}
+        if headers:
+            self.headers = dict(headers)
+        self.header_formatter = header_formatter
+
+    @classmethod
+    def from_tuples(cls, fieldname, value, header_formatter=format_header_param_html5):
+        """
+        A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters.
+
+        Supports constructing :class:`~urllib3.fields.RequestField` from
+        parameter of key/value strings AND key/filetuple. A filetuple is a
+        (filename, data, MIME type) tuple where the MIME type is optional.
+        For example::
+
+            'foo': 'bar',
+            'fakefile': ('foofile.txt', 'contents of foofile'),
+            'realfile': ('barfile.txt', open('realfile').read()),
+            'typedfile': ('bazfile.bin', open('bazfile').read(), 'image/jpeg'),
+            'nonamefile': 'contents of nonamefile field',
+
+        Field names and filenames must be unicode.
+        """
+        if isinstance(value, tuple):
+            if len(value) == 3:
+                filename, data, content_type = value
+            else:
+                filename, data = value
+                content_type = guess_content_type(filename)
+        else:
+            filename = None
+            content_type = None
+            data = value
+
+        request_param = cls(
+            fieldname, data, filename=filename, header_formatter=header_formatter
+        )
+        request_param.make_multipart(content_type=content_type)
+
+        return request_param
+
+    def _render_part(self, name, value):
+        """
+        Overridable helper function to format a single header parameter. By
+        default, this calls ``self.header_formatter``.
+
+        :param name:
+            The name of the parameter, a string expected to be ASCII only.
+        :param value:
+            The value of the parameter, provided as a unicode string.
+        """
+
+        return self.header_formatter(name, value)
+
+    def _render_parts(self, header_parts):
+        """
+        Helper function to format and quote a single header.
+
+        Useful for single headers that are composed of multiple items. E.g.,
+        'Content-Disposition' fields.
+
+        :param header_parts:
+            A sequence of (k, v) tuples or a :class:`dict` of (k, v) to format
+            as `k1="v1"; k2="v2"; ...`.
+        """
+        parts = []
+        iterable = header_parts
+        if isinstance(header_parts, dict):
+            iterable = header_parts.items()
+
+        for name, value in iterable:
+            if value is not None:
+                parts.append(self._render_part(name, value))
+
+        return u"; ".join(parts)
+
+    def render_headers(self):
+        """
+        Renders the headers for this request field.
+        """
+        lines = []
+
+        sort_keys = ["Content-Disposition", "Content-Type", "Content-Location"]
+        for sort_key in sort_keys:
+            if self.headers.get(sort_key, False):
+                lines.append(u"%s: %s" % (sort_key, self.headers[sort_key]))
+
+        for header_name, header_value in self.headers.items():
+            if header_name not in sort_keys:
+                if header_value:
+                    lines.append(u"%s: %s" % (header_name, header_value))
+
+        lines.append(u"\r\n")
+        return u"\r\n".join(lines)
+
+    def make_multipart(
+        self, content_disposition=None, content_type=None, content_location=None
+    ):
+        """
+        Makes this request field into a multipart request field.
+
+        This method overrides "Content-Disposition", "Content-Type" and
+        "Content-Location" headers to the request parameter.
+
+        :param content_type:
+            The 'Content-Type' of the request body.
+        :param content_location:
+            The 'Content-Location' of the request body.
+
+        """
+        self.headers["Content-Disposition"] = content_disposition or u"form-data"
+        self.headers["Content-Disposition"] += u"; ".join(
+            [
+                u"",
+                self._render_parts(
+                    ((u"name", self._name), (u"filename", self._filename))
+                ),
+            ]
+        )
+        self.headers["Content-Type"] = content_type
+        self.headers["Content-Location"] = content_location
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/filepost.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/filepost.py
new file mode 100644
index 0000000000000000000000000000000000000000..36c9252c647e67bc7353c523152568b993c1331f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/filepost.py
@@ -0,0 +1,98 @@
+from __future__ import absolute_import
+
+import binascii
+import codecs
+import os
+from io import BytesIO
+
+from .fields import RequestField
+from .packages import six
+from .packages.six import b
+
+writer = codecs.lookup("utf-8")[3]
+
+
+def choose_boundary():
+    """
+    Our embarrassingly-simple replacement for mimetools.choose_boundary.
+    """
+    boundary = binascii.hexlify(os.urandom(16))
+    if not six.PY2:
+        boundary = boundary.decode("ascii")
+    return boundary
+
+
+def iter_field_objects(fields):
+    """
+    Iterate over fields.
+
+    Supports list of (k, v) tuples and dicts, and lists of
+    :class:`~urllib3.fields.RequestField`.
+
+    """
+    if isinstance(fields, dict):
+        i = six.iteritems(fields)
+    else:
+        i = iter(fields)
+
+    for field in i:
+        if isinstance(field, RequestField):
+            yield field
+        else:
+            yield RequestField.from_tuples(*field)
+
+
+def iter_fields(fields):
+    """
+    .. deprecated:: 1.6
+
+    Iterate over fields.
+
+    The addition of :class:`~urllib3.fields.RequestField` makes this function
+    obsolete. Instead, use :func:`iter_field_objects`, which returns
+    :class:`~urllib3.fields.RequestField` objects.
+
+    Supports list of (k, v) tuples and dicts.
+    """
+    if isinstance(fields, dict):
+        return ((k, v) for k, v in six.iteritems(fields))
+
+    return ((k, v) for k, v in fields)
+
+
+def encode_multipart_formdata(fields, boundary=None):
+    """
+    Encode a dictionary of ``fields`` using the multipart/form-data MIME format.
+
+    :param fields:
+        Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`).
+
+    :param boundary:
+        If not specified, then a random boundary will be generated using
+        :func:`urllib3.filepost.choose_boundary`.
+    """
+    body = BytesIO()
+    if boundary is None:
+        boundary = choose_boundary()
+
+    for field in iter_field_objects(fields):
+        body.write(b("--%s\r\n" % (boundary)))
+
+        writer(body).write(field.render_headers())
+        data = field.data
+
+        if isinstance(data, int):
+            data = str(data)  # Backwards compatibility
+
+        if isinstance(data, six.text_type):
+            writer(body).write(data)
+        else:
+            body.write(data)
+
+        body.write(b"\r\n")
+
+    body.write(b("--%s--\r\n" % (boundary)))
+
+    content_type = str("multipart/form-data; boundary=%s" % boundary)
+
+    return body.getvalue(), content_type
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/__init__.py
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/backports/makefile.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/backports/makefile.py
new file mode 100644
index 0000000000000000000000000000000000000000..b8fb2154b6d0618b62281578e5e947bca487cee4
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/backports/makefile.py
@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+"""
+backports.makefile
+~~~~~~~~~~~~~~~~~~
+
+Backports the Python 3 ``socket.makefile`` method for use with anything that
+wants to create a "fake" socket object.
+"""
+import io
+from socket import SocketIO
+
+
+def backport_makefile(
+    self, mode="r", buffering=None, encoding=None, errors=None, newline=None
+):
+    """
+    Backport of ``socket.makefile`` from Python 3.5.
+    """
+    if not set(mode) <= {"r", "w", "b"}:
+        raise ValueError("invalid mode %r (only r, w, b allowed)" % (mode,))
+    writing = "w" in mode
+    reading = "r" in mode or not writing
+    assert reading or writing
+    binary = "b" in mode
+    rawmode = ""
+    if reading:
+        rawmode += "r"
+    if writing:
+        rawmode += "w"
+    raw = SocketIO(self, rawmode)
+    self._makefile_refs += 1
+    if buffering is None:
+        buffering = -1
+    if buffering < 0:
+        buffering = io.DEFAULT_BUFFER_SIZE
+    if buffering == 0:
+        if not binary:
+            raise ValueError("unbuffered streams must be binary")
+        return raw
+    if reading and writing:
+        buffer = io.BufferedRWPair(raw, raw, buffering)
+    elif reading:
+        buffer = io.BufferedReader(raw, buffering)
+    else:
+        assert writing
+        buffer = io.BufferedWriter(raw, buffering)
+    if binary:
+        return buffer
+    text = io.TextIOWrapper(buffer, encoding, errors, newline)
+    text.mode = mode
+    return text
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/six.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/six.py
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index 0000000000000000000000000000000000000000..ba50acb0624e1da7d613d8a700e313b46e76624e
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/packages/six.py
@@ -0,0 +1,1077 @@
+# Copyright (c) 2010-2020 Benjamin Peterson
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""Utilities for writing code that runs on Python 2 and 3"""
+
+from __future__ import absolute_import
+
+import functools
+import itertools
+import operator
+import sys
+import types
+
+__author__ = "Benjamin Peterson <benjamin@python.org>"
+__version__ = "1.16.0"
+
+
+# Useful for very coarse version differentiation.
+PY2 = sys.version_info[0] == 2
+PY3 = sys.version_info[0] == 3
+PY34 = sys.version_info[0:2] >= (3, 4)
+
+if PY3:
+    string_types = (str,)
+    integer_types = (int,)
+    class_types = (type,)
+    text_type = str
+    binary_type = bytes
+
+    MAXSIZE = sys.maxsize
+else:
+    string_types = (basestring,)
+    integer_types = (int, long)
+    class_types = (type, types.ClassType)
+    text_type = unicode
+    binary_type = str
+
+    if sys.platform.startswith("java"):
+        # Jython always uses 32 bits.
+        MAXSIZE = int((1 << 31) - 1)
+    else:
+        # It's possible to have sizeof(long) != sizeof(Py_ssize_t).
+        class X(object):
+            def __len__(self):
+                return 1 << 31
+
+        try:
+            len(X())
+        except OverflowError:
+            # 32-bit
+            MAXSIZE = int((1 << 31) - 1)
+        else:
+            # 64-bit
+            MAXSIZE = int((1 << 63) - 1)
+        del X
+
+if PY34:
+    from importlib.util import spec_from_loader
+else:
+    spec_from_loader = None
+
+
+def _add_doc(func, doc):
+    """Add documentation to a function."""
+    func.__doc__ = doc
+
+
+def _import_module(name):
+    """Import module, returning the module after the last dot."""
+    __import__(name)
+    return sys.modules[name]
+
+
+class _LazyDescr(object):
+    def __init__(self, name):
+        self.name = name
+
+    def __get__(self, obj, tp):
+        result = self._resolve()
+        setattr(obj, self.name, result)  # Invokes __set__.
+        try:
+            # This is a bit ugly, but it avoids running this again by
+            # removing this descriptor.
+            delattr(obj.__class__, self.name)
+        except AttributeError:
+            pass
+        return result
+
+
+class MovedModule(_LazyDescr):
+    def __init__(self, name, old, new=None):
+        super(MovedModule, self).__init__(name)
+        if PY3:
+            if new is None:
+                new = name
+            self.mod = new
+        else:
+            self.mod = old
+
+    def _resolve(self):
+        return _import_module(self.mod)
+
+    def __getattr__(self, attr):
+        _module = self._resolve()
+        value = getattr(_module, attr)
+        setattr(self, attr, value)
+        return value
+
+
+class _LazyModule(types.ModuleType):
+    def __init__(self, name):
+        super(_LazyModule, self).__init__(name)
+        self.__doc__ = self.__class__.__doc__
+
+    def __dir__(self):
+        attrs = ["__doc__", "__name__"]
+        attrs += [attr.name for attr in self._moved_attributes]
+        return attrs
+
+    # Subclasses should override this
+    _moved_attributes = []
+
+
+class MovedAttribute(_LazyDescr):
+    def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
+        super(MovedAttribute, self).__init__(name)
+        if PY3:
+            if new_mod is None:
+                new_mod = name
+            self.mod = new_mod
+            if new_attr is None:
+                if old_attr is None:
+                    new_attr = name
+                else:
+                    new_attr = old_attr
+            self.attr = new_attr
+        else:
+            self.mod = old_mod
+            if old_attr is None:
+                old_attr = name
+            self.attr = old_attr
+
+    def _resolve(self):
+        module = _import_module(self.mod)
+        return getattr(module, self.attr)
+
+
+class _SixMetaPathImporter(object):
+
+    """
+    A meta path importer to import six.moves and its submodules.
+
+    This class implements a PEP302 finder and loader. It should be compatible
+    with Python 2.5 and all existing versions of Python3
+    """
+
+    def __init__(self, six_module_name):
+        self.name = six_module_name
+        self.known_modules = {}
+
+    def _add_module(self, mod, *fullnames):
+        for fullname in fullnames:
+            self.known_modules[self.name + "." + fullname] = mod
+
+    def _get_module(self, fullname):
+        return self.known_modules[self.name + "." + fullname]
+
+    def find_module(self, fullname, path=None):
+        if fullname in self.known_modules:
+            return self
+        return None
+
+    def find_spec(self, fullname, path, target=None):
+        if fullname in self.known_modules:
+            return spec_from_loader(fullname, self)
+        return None
+
+    def __get_module(self, fullname):
+        try:
+            return self.known_modules[fullname]
+        except KeyError:
+            raise ImportError("This loader does not know module " + fullname)
+
+    def load_module(self, fullname):
+        try:
+            # in case of a reload
+            return sys.modules[fullname]
+        except KeyError:
+            pass
+        mod = self.__get_module(fullname)
+        if isinstance(mod, MovedModule):
+            mod = mod._resolve()
+        else:
+            mod.__loader__ = self
+        sys.modules[fullname] = mod
+        return mod
+
+    def is_package(self, fullname):
+        """
+        Return true, if the named module is a package.
+
+        We need this method to get correct spec objects with
+        Python 3.4 (see PEP451)
+        """
+        return hasattr(self.__get_module(fullname), "__path__")
+
+    def get_code(self, fullname):
+        """Return None
+
+        Required, if is_package is implemented"""
+        self.__get_module(fullname)  # eventually raises ImportError
+        return None
+
+    get_source = get_code  # same as get_code
+
+    def create_module(self, spec):
+        return self.load_module(spec.name)
+
+    def exec_module(self, module):
+        pass
+
+
+_importer = _SixMetaPathImporter(__name__)
+
+
+class _MovedItems(_LazyModule):
+
+    """Lazy loading of moved objects"""
+
+    __path__ = []  # mark as package
+
+
+_moved_attributes = [
+    MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
+    MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
+    MovedAttribute(
+        "filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"
+    ),
+    MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"),
+    MovedAttribute("intern", "__builtin__", "sys"),
+    MovedAttribute("map", "itertools", "builtins", "imap", "map"),
+    MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"),
+    MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"),
+    MovedAttribute("getoutput", "commands", "subprocess"),
+    MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute(
+        "reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"
+    ),
+    MovedAttribute("reduce", "__builtin__", "functools"),
+    MovedAttribute("shlex_quote", "pipes", "shlex", "quote"),
+    MovedAttribute("StringIO", "StringIO", "io"),
+    MovedAttribute("UserDict", "UserDict", "collections"),
+    MovedAttribute("UserList", "UserList", "collections"),
+    MovedAttribute("UserString", "UserString", "collections"),
+    MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
+    MovedAttribute(
+        "zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"
+    ),
+    MovedModule("builtins", "__builtin__"),
+    MovedModule("configparser", "ConfigParser"),
+    MovedModule(
+        "collections_abc",
+        "collections",
+        "collections.abc" if sys.version_info >= (3, 3) else "collections",
+    ),
+    MovedModule("copyreg", "copy_reg"),
+    MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
+    MovedModule("dbm_ndbm", "dbm", "dbm.ndbm"),
+    MovedModule(
+        "_dummy_thread",
+        "dummy_thread",
+        "_dummy_thread" if sys.version_info < (3, 9) else "_thread",
+    ),
+    MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
+    MovedModule("http_cookies", "Cookie", "http.cookies"),
+    MovedModule("html_entities", "htmlentitydefs", "html.entities"),
+    MovedModule("html_parser", "HTMLParser", "html.parser"),
+    MovedModule("http_client", "httplib", "http.client"),
+    MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"),
+    MovedModule("email_mime_image", "email.MIMEImage", "email.mime.image"),
+    MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"),
+    MovedModule(
+        "email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"
+    ),
+    MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"),
+    MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
+    MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
+    MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
+    MovedModule("cPickle", "cPickle", "pickle"),
+    MovedModule("queue", "Queue"),
+    MovedModule("reprlib", "repr"),
+    MovedModule("socketserver", "SocketServer"),
+    MovedModule("_thread", "thread", "_thread"),
+    MovedModule("tkinter", "Tkinter"),
+    MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
+    MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
+    MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
+    MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
+    MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"),
+    MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
+    MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
+    MovedModule("tkinter_colorchooser", "tkColorChooser", "tkinter.colorchooser"),
+    MovedModule("tkinter_commondialog", "tkCommonDialog", "tkinter.commondialog"),
+    MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_font", "tkFont", "tkinter.font"),
+    MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
+    MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", "tkinter.simpledialog"),
+    MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"),
+    MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"),
+    MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"),
+    MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
+    MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"),
+    MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"),
+]
+# Add windows specific modules.
+if sys.platform == "win32":
+    _moved_attributes += [
+        MovedModule("winreg", "_winreg"),
+    ]
+
+for attr in _moved_attributes:
+    setattr(_MovedItems, attr.name, attr)
+    if isinstance(attr, MovedModule):
+        _importer._add_module(attr, "moves." + attr.name)
+del attr
+
+_MovedItems._moved_attributes = _moved_attributes
+
+moves = _MovedItems(__name__ + ".moves")
+_importer._add_module(moves, "moves")
+
+
+class Module_six_moves_urllib_parse(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_parse"""
+
+
+_urllib_parse_moved_attributes = [
+    MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
+    MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
+    MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
+    MovedAttribute("urljoin", "urlparse", "urllib.parse"),
+    MovedAttribute("urlparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("quote", "urllib", "urllib.parse"),
+    MovedAttribute("quote_plus", "urllib", "urllib.parse"),
+    MovedAttribute("unquote", "urllib", "urllib.parse"),
+    MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
+    MovedAttribute(
+        "unquote_to_bytes", "urllib", "urllib.parse", "unquote", "unquote_to_bytes"
+    ),
+    MovedAttribute("urlencode", "urllib", "urllib.parse"),
+    MovedAttribute("splitquery", "urllib", "urllib.parse"),
+    MovedAttribute("splittag", "urllib", "urllib.parse"),
+    MovedAttribute("splituser", "urllib", "urllib.parse"),
+    MovedAttribute("splitvalue", "urllib", "urllib.parse"),
+    MovedAttribute("uses_fragment", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_netloc", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_params", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_query", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_relative", "urlparse", "urllib.parse"),
+]
+for attr in _urllib_parse_moved_attributes:
+    setattr(Module_six_moves_urllib_parse, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
+    "moves.urllib_parse",
+    "moves.urllib.parse",
+)
+
+
+class Module_six_moves_urllib_error(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_error"""
+
+
+_urllib_error_moved_attributes = [
+    MovedAttribute("URLError", "urllib2", "urllib.error"),
+    MovedAttribute("HTTPError", "urllib2", "urllib.error"),
+    MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
+]
+for attr in _urllib_error_moved_attributes:
+    setattr(Module_six_moves_urllib_error, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
+    "moves.urllib_error",
+    "moves.urllib.error",
+)
+
+
+class Module_six_moves_urllib_request(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_request"""
+
+
+_urllib_request_moved_attributes = [
+    MovedAttribute("urlopen", "urllib2", "urllib.request"),
+    MovedAttribute("install_opener", "urllib2", "urllib.request"),
+    MovedAttribute("build_opener", "urllib2", "urllib.request"),
+    MovedAttribute("pathname2url", "urllib", "urllib.request"),
+    MovedAttribute("url2pathname", "urllib", "urllib.request"),
+    MovedAttribute("getproxies", "urllib", "urllib.request"),
+    MovedAttribute("Request", "urllib2", "urllib.request"),
+    MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
+    MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FileHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("urlretrieve", "urllib", "urllib.request"),
+    MovedAttribute("urlcleanup", "urllib", "urllib.request"),
+    MovedAttribute("URLopener", "urllib", "urllib.request"),
+    MovedAttribute("FancyURLopener", "urllib", "urllib.request"),
+    MovedAttribute("proxy_bypass", "urllib", "urllib.request"),
+    MovedAttribute("parse_http_list", "urllib2", "urllib.request"),
+    MovedAttribute("parse_keqv_list", "urllib2", "urllib.request"),
+]
+for attr in _urllib_request_moved_attributes:
+    setattr(Module_six_moves_urllib_request, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"),
+    "moves.urllib_request",
+    "moves.urllib.request",
+)
+
+
+class Module_six_moves_urllib_response(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_response"""
+
+
+_urllib_response_moved_attributes = [
+    MovedAttribute("addbase", "urllib", "urllib.response"),
+    MovedAttribute("addclosehook", "urllib", "urllib.response"),
+    MovedAttribute("addinfo", "urllib", "urllib.response"),
+    MovedAttribute("addinfourl", "urllib", "urllib.response"),
+]
+for attr in _urllib_response_moved_attributes:
+    setattr(Module_six_moves_urllib_response, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"),
+    "moves.urllib_response",
+    "moves.urllib.response",
+)
+
+
+class Module_six_moves_urllib_robotparser(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_robotparser"""
+
+
+_urllib_robotparser_moved_attributes = [
+    MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"),
+]
+for attr in _urllib_robotparser_moved_attributes:
+    setattr(Module_six_moves_urllib_robotparser, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_robotparser._moved_attributes = (
+    _urllib_robotparser_moved_attributes
+)
+
+_importer._add_module(
+    Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"),
+    "moves.urllib_robotparser",
+    "moves.urllib.robotparser",
+)
+
+
+class Module_six_moves_urllib(types.ModuleType):
+
+    """Create a six.moves.urllib namespace that resembles the Python 3 namespace"""
+
+    __path__ = []  # mark as package
+    parse = _importer._get_module("moves.urllib_parse")
+    error = _importer._get_module("moves.urllib_error")
+    request = _importer._get_module("moves.urllib_request")
+    response = _importer._get_module("moves.urllib_response")
+    robotparser = _importer._get_module("moves.urllib_robotparser")
+
+    def __dir__(self):
+        return ["parse", "error", "request", "response", "robotparser"]
+
+
+_importer._add_module(
+    Module_six_moves_urllib(__name__ + ".moves.urllib"), "moves.urllib"
+)
+
+
+def add_move(move):
+    """Add an item to six.moves."""
+    setattr(_MovedItems, move.name, move)
+
+
+def remove_move(name):
+    """Remove item from six.moves."""
+    try:
+        delattr(_MovedItems, name)
+    except AttributeError:
+        try:
+            del moves.__dict__[name]
+        except KeyError:
+            raise AttributeError("no such move, %r" % (name,))
+
+
+if PY3:
+    _meth_func = "__func__"
+    _meth_self = "__self__"
+
+    _func_closure = "__closure__"
+    _func_code = "__code__"
+    _func_defaults = "__defaults__"
+    _func_globals = "__globals__"
+else:
+    _meth_func = "im_func"
+    _meth_self = "im_self"
+
+    _func_closure = "func_closure"
+    _func_code = "func_code"
+    _func_defaults = "func_defaults"
+    _func_globals = "func_globals"
+
+
+try:
+    advance_iterator = next
+except NameError:
+
+    def advance_iterator(it):
+        return it.next()
+
+
+next = advance_iterator
+
+
+try:
+    callable = callable
+except NameError:
+
+    def callable(obj):
+        return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
+
+
+if PY3:
+
+    def get_unbound_function(unbound):
+        return unbound
+
+    create_bound_method = types.MethodType
+
+    def create_unbound_method(func, cls):
+        return func
+
+    Iterator = object
+else:
+
+    def get_unbound_function(unbound):
+        return unbound.im_func
+
+    def create_bound_method(func, obj):
+        return types.MethodType(func, obj, obj.__class__)
+
+    def create_unbound_method(func, cls):
+        return types.MethodType(func, None, cls)
+
+    class Iterator(object):
+        def next(self):
+            return type(self).__next__(self)
+
+    callable = callable
+_add_doc(
+    get_unbound_function, """Get the function out of a possibly unbound function"""
+)
+
+
+get_method_function = operator.attrgetter(_meth_func)
+get_method_self = operator.attrgetter(_meth_self)
+get_function_closure = operator.attrgetter(_func_closure)
+get_function_code = operator.attrgetter(_func_code)
+get_function_defaults = operator.attrgetter(_func_defaults)
+get_function_globals = operator.attrgetter(_func_globals)
+
+
+if PY3:
+
+    def iterkeys(d, **kw):
+        return iter(d.keys(**kw))
+
+    def itervalues(d, **kw):
+        return iter(d.values(**kw))
+
+    def iteritems(d, **kw):
+        return iter(d.items(**kw))
+
+    def iterlists(d, **kw):
+        return iter(d.lists(**kw))
+
+    viewkeys = operator.methodcaller("keys")
+
+    viewvalues = operator.methodcaller("values")
+
+    viewitems = operator.methodcaller("items")
+else:
+
+    def iterkeys(d, **kw):
+        return d.iterkeys(**kw)
+
+    def itervalues(d, **kw):
+        return d.itervalues(**kw)
+
+    def iteritems(d, **kw):
+        return d.iteritems(**kw)
+
+    def iterlists(d, **kw):
+        return d.iterlists(**kw)
+
+    viewkeys = operator.methodcaller("viewkeys")
+
+    viewvalues = operator.methodcaller("viewvalues")
+
+    viewitems = operator.methodcaller("viewitems")
+
+_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.")
+_add_doc(itervalues, "Return an iterator over the values of a dictionary.")
+_add_doc(iteritems, "Return an iterator over the (key, value) pairs of a dictionary.")
+_add_doc(
+    iterlists, "Return an iterator over the (key, [values]) pairs of a dictionary."
+)
+
+
+if PY3:
+
+    def b(s):
+        return s.encode("latin-1")
+
+    def u(s):
+        return s
+
+    unichr = chr
+    import struct
+
+    int2byte = struct.Struct(">B").pack
+    del struct
+    byte2int = operator.itemgetter(0)
+    indexbytes = operator.getitem
+    iterbytes = iter
+    import io
+
+    StringIO = io.StringIO
+    BytesIO = io.BytesIO
+    del io
+    _assertCountEqual = "assertCountEqual"
+    if sys.version_info[1] <= 1:
+        _assertRaisesRegex = "assertRaisesRegexp"
+        _assertRegex = "assertRegexpMatches"
+        _assertNotRegex = "assertNotRegexpMatches"
+    else:
+        _assertRaisesRegex = "assertRaisesRegex"
+        _assertRegex = "assertRegex"
+        _assertNotRegex = "assertNotRegex"
+else:
+
+    def b(s):
+        return s
+
+    # Workaround for standalone backslash
+
+    def u(s):
+        return unicode(s.replace(r"\\", r"\\\\"), "unicode_escape")
+
+    unichr = unichr
+    int2byte = chr
+
+    def byte2int(bs):
+        return ord(bs[0])
+
+    def indexbytes(buf, i):
+        return ord(buf[i])
+
+    iterbytes = functools.partial(itertools.imap, ord)
+    import StringIO
+
+    StringIO = BytesIO = StringIO.StringIO
+    _assertCountEqual = "assertItemsEqual"
+    _assertRaisesRegex = "assertRaisesRegexp"
+    _assertRegex = "assertRegexpMatches"
+    _assertNotRegex = "assertNotRegexpMatches"
+_add_doc(b, """Byte literal""")
+_add_doc(u, """Text literal""")
+
+
+def assertCountEqual(self, *args, **kwargs):
+    return getattr(self, _assertCountEqual)(*args, **kwargs)
+
+
+def assertRaisesRegex(self, *args, **kwargs):
+    return getattr(self, _assertRaisesRegex)(*args, **kwargs)
+
+
+def assertRegex(self, *args, **kwargs):
+    return getattr(self, _assertRegex)(*args, **kwargs)
+
+
+def assertNotRegex(self, *args, **kwargs):
+    return getattr(self, _assertNotRegex)(*args, **kwargs)
+
+
+if PY3:
+    exec_ = getattr(moves.builtins, "exec")
+
+    def reraise(tp, value, tb=None):
+        try:
+            if value is None:
+                value = tp()
+            if value.__traceback__ is not tb:
+                raise value.with_traceback(tb)
+            raise value
+        finally:
+            value = None
+            tb = None
+
+
+else:
+
+    def exec_(_code_, _globs_=None, _locs_=None):
+        """Execute code in a namespace."""
+        if _globs_ is None:
+            frame = sys._getframe(1)
+            _globs_ = frame.f_globals
+            if _locs_ is None:
+                _locs_ = frame.f_locals
+            del frame
+        elif _locs_ is None:
+            _locs_ = _globs_
+        exec ("""exec _code_ in _globs_, _locs_""")
+
+    exec_(
+        """def reraise(tp, value, tb=None):
+    try:
+        raise tp, value, tb
+    finally:
+        tb = None
+"""
+    )
+
+
+if sys.version_info[:2] > (3,):
+    exec_(
+        """def raise_from(value, from_value):
+    try:
+        raise value from from_value
+    finally:
+        value = None
+"""
+    )
+else:
+
+    def raise_from(value, from_value):
+        raise value
+
+
+print_ = getattr(moves.builtins, "print", None)
+if print_ is None:
+
+    def print_(*args, **kwargs):
+        """The new-style print function for Python 2.4 and 2.5."""
+        fp = kwargs.pop("file", sys.stdout)
+        if fp is None:
+            return
+
+        def write(data):
+            if not isinstance(data, basestring):
+                data = str(data)
+            # If the file has an encoding, encode unicode with it.
+            if (
+                isinstance(fp, file)
+                and isinstance(data, unicode)
+                and fp.encoding is not None
+            ):
+                errors = getattr(fp, "errors", None)
+                if errors is None:
+                    errors = "strict"
+                data = data.encode(fp.encoding, errors)
+            fp.write(data)
+
+        want_unicode = False
+        sep = kwargs.pop("sep", None)
+        if sep is not None:
+            if isinstance(sep, unicode):
+                want_unicode = True
+            elif not isinstance(sep, str):
+                raise TypeError("sep must be None or a string")
+        end = kwargs.pop("end", None)
+        if end is not None:
+            if isinstance(end, unicode):
+                want_unicode = True
+            elif not isinstance(end, str):
+                raise TypeError("end must be None or a string")
+        if kwargs:
+            raise TypeError("invalid keyword arguments to print()")
+        if not want_unicode:
+            for arg in args:
+                if isinstance(arg, unicode):
+                    want_unicode = True
+                    break
+        if want_unicode:
+            newline = unicode("\n")
+            space = unicode(" ")
+        else:
+            newline = "\n"
+            space = " "
+        if sep is None:
+            sep = space
+        if end is None:
+            end = newline
+        for i, arg in enumerate(args):
+            if i:
+                write(sep)
+            write(arg)
+        write(end)
+
+
+if sys.version_info[:2] < (3, 3):
+    _print = print_
+
+    def print_(*args, **kwargs):
+        fp = kwargs.get("file", sys.stdout)
+        flush = kwargs.pop("flush", False)
+        _print(*args, **kwargs)
+        if flush and fp is not None:
+            fp.flush()
+
+
+_add_doc(reraise, """Reraise an exception.""")
+
+if sys.version_info[0:2] < (3, 4):
+    # This does exactly the same what the :func:`py3:functools.update_wrapper`
+    # function does on Python versions after 3.2. It sets the ``__wrapped__``
+    # attribute on ``wrapper`` object and it doesn't raise an error if any of
+    # the attributes mentioned in ``assigned`` and ``updated`` are missing on
+    # ``wrapped`` object.
+    def _update_wrapper(
+        wrapper,
+        wrapped,
+        assigned=functools.WRAPPER_ASSIGNMENTS,
+        updated=functools.WRAPPER_UPDATES,
+    ):
+        for attr in assigned:
+            try:
+                value = getattr(wrapped, attr)
+            except AttributeError:
+                continue
+            else:
+                setattr(wrapper, attr, value)
+        for attr in updated:
+            getattr(wrapper, attr).update(getattr(wrapped, attr, {}))
+        wrapper.__wrapped__ = wrapped
+        return wrapper
+
+    _update_wrapper.__doc__ = functools.update_wrapper.__doc__
+
+    def wraps(
+        wrapped,
+        assigned=functools.WRAPPER_ASSIGNMENTS,
+        updated=functools.WRAPPER_UPDATES,
+    ):
+        return functools.partial(
+            _update_wrapper, wrapped=wrapped, assigned=assigned, updated=updated
+        )
+
+    wraps.__doc__ = functools.wraps.__doc__
+
+else:
+    wraps = functools.wraps
+
+
+def with_metaclass(meta, *bases):
+    """Create a base class with a metaclass."""
+    # This requires a bit of explanation: the basic idea is to make a dummy
+    # metaclass for one level of class instantiation that replaces itself with
+    # the actual metaclass.
+    class metaclass(type):
+        def __new__(cls, name, this_bases, d):
+            if sys.version_info[:2] >= (3, 7):
+                # This version introduced PEP 560 that requires a bit
+                # of extra care (we mimic what is done by __build_class__).
+                resolved_bases = types.resolve_bases(bases)
+                if resolved_bases is not bases:
+                    d["__orig_bases__"] = bases
+            else:
+                resolved_bases = bases
+            return meta(name, resolved_bases, d)
+
+        @classmethod
+        def __prepare__(cls, name, this_bases):
+            return meta.__prepare__(name, bases)
+
+    return type.__new__(metaclass, "temporary_class", (), {})
+
+
+def add_metaclass(metaclass):
+    """Class decorator for creating a class with a metaclass."""
+
+    def wrapper(cls):
+        orig_vars = cls.__dict__.copy()
+        slots = orig_vars.get("__slots__")
+        if slots is not None:
+            if isinstance(slots, str):
+                slots = [slots]
+            for slots_var in slots:
+                orig_vars.pop(slots_var)
+        orig_vars.pop("__dict__", None)
+        orig_vars.pop("__weakref__", None)
+        if hasattr(cls, "__qualname__"):
+            orig_vars["__qualname__"] = cls.__qualname__
+        return metaclass(cls.__name__, cls.__bases__, orig_vars)
+
+    return wrapper
+
+
+def ensure_binary(s, encoding="utf-8", errors="strict"):
+    """Coerce **s** to six.binary_type.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> encoded to `bytes`
+      - `bytes` -> `bytes`
+    """
+    if isinstance(s, binary_type):
+        return s
+    if isinstance(s, text_type):
+        return s.encode(encoding, errors)
+    raise TypeError("not expecting type '%s'" % type(s))
+
+
+def ensure_str(s, encoding="utf-8", errors="strict"):
+    """Coerce *s* to `str`.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    # Optimization: Fast return for the common case.
+    if type(s) is str:
+        return s
+    if PY2 and isinstance(s, text_type):
+        return s.encode(encoding, errors)
+    elif PY3 and isinstance(s, binary_type):
+        return s.decode(encoding, errors)
+    elif not isinstance(s, (text_type, binary_type)):
+        raise TypeError("not expecting type '%s'" % type(s))
+    return s
+
+
+def ensure_text(s, encoding="utf-8", errors="strict"):
+    """Coerce *s* to six.text_type.
+
+    For Python 2:
+      - `unicode` -> `unicode`
+      - `str` -> `unicode`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    if isinstance(s, binary_type):
+        return s.decode(encoding, errors)
+    elif isinstance(s, text_type):
+        return s
+    else:
+        raise TypeError("not expecting type '%s'" % type(s))
+
+
+def python_2_unicode_compatible(klass):
+    """
+    A class decorator that defines __unicode__ and __str__ methods under Python 2.
+    Under Python 3 it does nothing.
+
+    To support Python 2 and 3 with a single code base, define a __str__ method
+    returning text and apply this decorator to the class.
+    """
+    if PY2:
+        if "__str__" not in klass.__dict__:
+            raise ValueError(
+                "@python_2_unicode_compatible cannot be applied "
+                "to %s because it doesn't define __str__()." % klass.__name__
+            )
+        klass.__unicode__ = klass.__str__
+        klass.__str__ = lambda self: self.__unicode__().encode("utf-8")
+    return klass
+
+
+# Complete the moves implementation.
+# This code is at the end of this module to speed up module loading.
+# Turn this module into a package.
+__path__ = []  # required for PEP 302 and PEP 451
+__package__ = __name__  # see PEP 366 @ReservedAssignment
+if globals().get("__spec__") is not None:
+    __spec__.submodule_search_locations = []  # PEP 451 @UndefinedVariable
+# Remove other six meta path importers, since they cause problems. This can
+# happen if six is removed from sys.modules and then reloaded. (Setuptools does
+# this for some reason.)
+if sys.meta_path:
+    for i, importer in enumerate(sys.meta_path):
+        # Here's some real nastiness: Another "instance" of the six module might
+        # be floating around. Therefore, we can't use isinstance() to check for
+        # the six meta path importer, since the other six instance will have
+        # inserted an importer with different class.
+        if (
+            type(importer).__name__ == "_SixMetaPathImporter"
+            and importer.name == __name__
+        ):
+            del sys.meta_path[i]
+            break
+    del i, importer
+# Finally, add the importer to the meta path import hook.
+sys.meta_path.append(_importer)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/poolmanager.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/poolmanager.py
new file mode 100644
index 0000000000000000000000000000000000000000..4e6d618edc8721d64374f724afef9d2e382183a5
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/poolmanager.py
@@ -0,0 +1,555 @@
+from __future__ import absolute_import
+
+import collections
+import functools
+import logging
+
+from ._collections import HTTPHeaderDict, RecentlyUsedContainer
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool, port_by_scheme
+from .exceptions import (
+    LocationValueError,
+    MaxRetryError,
+    ProxySchemeUnknown,
+    ProxySchemeUnsupported,
+    URLSchemeUnknown,
+)
+from .packages import six
+from .packages.six.moves.urllib.parse import urljoin
+from .request import RequestMethods
+from .util.proxy import connection_requires_http_tunnel
+from .util.retry import Retry
+from .util.url import parse_url
+
+__all__ = ["PoolManager", "ProxyManager", "proxy_from_url"]
+
+
+log = logging.getLogger(__name__)
+
+SSL_KEYWORDS = (
+    "key_file",
+    "cert_file",
+    "cert_reqs",
+    "ca_certs",
+    "ssl_version",
+    "ca_cert_dir",
+    "ssl_context",
+    "key_password",
+)
+
+# All known keyword arguments that could be provided to the pool manager, its
+# pools, or the underlying connections. This is used to construct a pool key.
+_key_fields = (
+    "key_scheme",  # str
+    "key_host",  # str
+    "key_port",  # int
+    "key_timeout",  # int or float or Timeout
+    "key_retries",  # int or Retry
+    "key_strict",  # bool
+    "key_block",  # bool
+    "key_source_address",  # str
+    "key_key_file",  # str
+    "key_key_password",  # str
+    "key_cert_file",  # str
+    "key_cert_reqs",  # str
+    "key_ca_certs",  # str
+    "key_ssl_version",  # str
+    "key_ca_cert_dir",  # str
+    "key_ssl_context",  # instance of ssl.SSLContext or urllib3.util.ssl_.SSLContext
+    "key_maxsize",  # int
+    "key_headers",  # dict
+    "key__proxy",  # parsed proxy url
+    "key__proxy_headers",  # dict
+    "key__proxy_config",  # class
+    "key_socket_options",  # list of (level (int), optname (int), value (int or str)) tuples
+    "key__socks_options",  # dict
+    "key_assert_hostname",  # bool or string
+    "key_assert_fingerprint",  # str
+    "key_server_hostname",  # str
+)
+
+#: The namedtuple class used to construct keys for the connection pool.
+#: All custom key schemes should include the fields in this key at a minimum.
+PoolKey = collections.namedtuple("PoolKey", _key_fields)
+
+_proxy_config_fields = ("ssl_context", "use_forwarding_for_https")
+ProxyConfig = collections.namedtuple("ProxyConfig", _proxy_config_fields)
+
+
+def _default_key_normalizer(key_class, request_context):
+    """
+    Create a pool key out of a request context dictionary.
+
+    According to RFC 3986, both the scheme and host are case-insensitive.
+    Therefore, this function normalizes both before constructing the pool
+    key for an HTTPS request. If you wish to change this behaviour, provide
+    alternate callables to ``key_fn_by_scheme``.
+
+    :param key_class:
+        The class to use when constructing the key. This should be a namedtuple
+        with the ``scheme`` and ``host`` keys at a minimum.
+    :type  key_class: namedtuple
+    :param request_context:
+        A dictionary-like object that contain the context for a request.
+    :type  request_context: dict
+
+    :return: A namedtuple that can be used as a connection pool key.
+    :rtype:  PoolKey
+    """
+    # Since we mutate the dictionary, make a copy first
+    context = request_context.copy()
+    context["scheme"] = context["scheme"].lower()
+    context["host"] = context["host"].lower()
+
+    # These are both dictionaries and need to be transformed into frozensets
+    for key in ("headers", "_proxy_headers", "_socks_options"):
+        if key in context and context[key] is not None:
+            context[key] = frozenset(context[key].items())
+
+    # The socket_options key may be a list and needs to be transformed into a
+    # tuple.
+    socket_opts = context.get("socket_options")
+    if socket_opts is not None:
+        context["socket_options"] = tuple(socket_opts)
+
+    # Map the kwargs to the names in the namedtuple - this is necessary since
+    # namedtuples can't have fields starting with '_'.
+    for key in list(context.keys()):
+        context["key_" + key] = context.pop(key)
+
+    # Default to ``None`` for keys missing from the context
+    for field in key_class._fields:
+        if field not in context:
+            context[field] = None
+
+    return key_class(**context)
+
+
+#: A dictionary that maps a scheme to a callable that creates a pool key.
+#: This can be used to alter the way pool keys are constructed, if desired.
+#: Each PoolManager makes a copy of this dictionary so they can be configured
+#: globally here, or individually on the instance.
+key_fn_by_scheme = {
+    "http": functools.partial(_default_key_normalizer, PoolKey),
+    "https": functools.partial(_default_key_normalizer, PoolKey),
+}
+
+pool_classes_by_scheme = {"http": HTTPConnectionPool, "https": HTTPSConnectionPool}
+
+
+class PoolManager(RequestMethods):
+    """
+    Allows for arbitrary requests while transparently keeping track of
+    necessary connection pools for you.
+
+    :param num_pools:
+        Number of connection pools to cache before discarding the least
+        recently used pool.
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+
+    :param \\**connection_pool_kw:
+        Additional parameters are used to create fresh
+        :class:`urllib3.connectionpool.ConnectionPool` instances.
+
+    Example::
+
+        >>> manager = PoolManager(num_pools=2)
+        >>> r = manager.request('GET', 'http://google.com/')
+        >>> r = manager.request('GET', 'http://google.com/mail')
+        >>> r = manager.request('GET', 'http://yahoo.com/')
+        >>> len(manager.pools)
+        2
+
+    """
+
+    proxy = None
+    proxy_config = None
+
+    def __init__(self, num_pools=10, headers=None, **connection_pool_kw):
+        RequestMethods.__init__(self, headers)
+        if "retries" in connection_pool_kw:
+            retries = connection_pool_kw["retries"]
+            if not isinstance(retries, Retry):
+                # When Retry is initialized, raise_on_redirect is based
+                # on a redirect boolean value.
+                # But requests made via a pool manager always set
+                # redirect to False, and raise_on_redirect always ends
+                # up being False consequently.
+                # Here we fix the issue by setting raise_on_redirect to
+                # a value needed by the pool manager without considering
+                # the redirect boolean.
+                raise_on_redirect = retries is not False
+                retries = Retry.from_int(retries, redirect=False)
+                retries.raise_on_redirect = raise_on_redirect
+                connection_pool_kw = connection_pool_kw.copy()
+                connection_pool_kw["retries"] = retries
+        self.connection_pool_kw = connection_pool_kw
+        self.pools = RecentlyUsedContainer(num_pools, dispose_func=lambda p: p.close())
+
+        # Locally set the pool classes and keys so other PoolManagers can
+        # override them.
+        self.pool_classes_by_scheme = pool_classes_by_scheme
+        self.key_fn_by_scheme = key_fn_by_scheme.copy()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.clear()
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def _new_pool(self, scheme, host, port, request_context=None):
+        """
+        Create a new :class:`urllib3.connectionpool.ConnectionPool` based on host, port, scheme, and
+        any additional pool keyword arguments.
+
+        If ``request_context`` is provided, it is provided as keyword arguments
+        to the pool class used. This method is used to actually create the
+        connection pools handed out by :meth:`connection_from_url` and
+        companion methods. It is intended to be overridden for customization.
+        """
+        pool_cls = self.pool_classes_by_scheme[scheme]
+        if request_context is None:
+            request_context = self.connection_pool_kw.copy()
+
+        # Although the context has everything necessary to create the pool,
+        # this function has historically only used the scheme, host, and port
+        # in the positional args. When an API change is acceptable these can
+        # be removed.
+        for key in ("scheme", "host", "port"):
+            request_context.pop(key, None)
+
+        if scheme == "http":
+            for kw in SSL_KEYWORDS:
+                request_context.pop(kw, None)
+
+        return pool_cls(host, port, **request_context)
+
+    def clear(self):
+        """
+        Empty our store of pools and direct them all to close.
+
+        This will not affect in-flight connections, but they will not be
+        re-used after completion.
+        """
+        self.pools.clear()
+
+    def connection_from_host(self, host, port=None, scheme="http", pool_kwargs=None):
+        """
+        Get a :class:`urllib3.connectionpool.ConnectionPool` based on the host, port, and scheme.
+
+        If ``port`` isn't given, it will be derived from the ``scheme`` using
+        ``urllib3.connectionpool.port_by_scheme``. If ``pool_kwargs`` is
+        provided, it is merged with the instance's ``connection_pool_kw``
+        variable and used to create the new connection pool, if one is
+        needed.
+        """
+
+        if not host:
+            raise LocationValueError("No host specified.")
+
+        request_context = self._merge_pool_kwargs(pool_kwargs)
+        request_context["scheme"] = scheme or "http"
+        if not port:
+            port = port_by_scheme.get(request_context["scheme"].lower(), 80)
+        request_context["port"] = port
+        request_context["host"] = host
+
+        return self.connection_from_context(request_context)
+
+    def connection_from_context(self, request_context):
+        """
+        Get a :class:`urllib3.connectionpool.ConnectionPool` based on the request context.
+
+        ``request_context`` must at least contain the ``scheme`` key and its
+        value must be a key in ``key_fn_by_scheme`` instance variable.
+        """
+        scheme = request_context["scheme"].lower()
+        pool_key_constructor = self.key_fn_by_scheme.get(scheme)
+        if not pool_key_constructor:
+            raise URLSchemeUnknown(scheme)
+        pool_key = pool_key_constructor(request_context)
+
+        return self.connection_from_pool_key(pool_key, request_context=request_context)
+
+    def connection_from_pool_key(self, pool_key, request_context=None):
+        """
+        Get a :class:`urllib3.connectionpool.ConnectionPool` based on the provided pool key.
+
+        ``pool_key`` should be a namedtuple that only contains immutable
+        objects. At a minimum it must have the ``scheme``, ``host``, and
+        ``port`` fields.
+        """
+        with self.pools.lock:
+            # If the scheme, host, or port doesn't match existing open
+            # connections, open a new ConnectionPool.
+            pool = self.pools.get(pool_key)
+            if pool:
+                return pool
+
+            # Make a fresh ConnectionPool of the desired type
+            scheme = request_context["scheme"]
+            host = request_context["host"]
+            port = request_context["port"]
+            pool = self._new_pool(scheme, host, port, request_context=request_context)
+            self.pools[pool_key] = pool
+
+        return pool
+
+    def connection_from_url(self, url, pool_kwargs=None):
+        """
+        Similar to :func:`urllib3.connectionpool.connection_from_url`.
+
+        If ``pool_kwargs`` is not provided and a new pool needs to be
+        constructed, ``self.connection_pool_kw`` is used to initialize
+        the :class:`urllib3.connectionpool.ConnectionPool`. If ``pool_kwargs``
+        is provided, it is used instead. Note that if a new pool does not
+        need to be created for the request, the provided ``pool_kwargs`` are
+        not used.
+        """
+        u = parse_url(url)
+        return self.connection_from_host(
+            u.host, port=u.port, scheme=u.scheme, pool_kwargs=pool_kwargs
+        )
+
+    def _merge_pool_kwargs(self, override):
+        """
+        Merge a dictionary of override values for self.connection_pool_kw.
+
+        This does not modify self.connection_pool_kw and returns a new dict.
+        Any keys in the override dictionary with a value of ``None`` are
+        removed from the merged dictionary.
+        """
+        base_pool_kwargs = self.connection_pool_kw.copy()
+        if override:
+            for key, value in override.items():
+                if value is None:
+                    try:
+                        del base_pool_kwargs[key]
+                    except KeyError:
+                        pass
+                else:
+                    base_pool_kwargs[key] = value
+        return base_pool_kwargs
+
+    def _proxy_requires_url_absolute_form(self, parsed_url):
+        """
+        Indicates if the proxy requires the complete destination URL in the
+        request.  Normally this is only needed when not using an HTTP CONNECT
+        tunnel.
+        """
+        if self.proxy is None:
+            return False
+
+        return not connection_requires_http_tunnel(
+            self.proxy, self.proxy_config, parsed_url.scheme
+        )
+
+    def _validate_proxy_scheme_url_selection(self, url_scheme):
+        """
+        Validates that were not attempting to do TLS in TLS connections on
+        Python2 or with unsupported SSL implementations.
+        """
+        if self.proxy is None or url_scheme != "https":
+            return
+
+        if self.proxy.scheme != "https":
+            return
+
+        if six.PY2 and not self.proxy_config.use_forwarding_for_https:
+            raise ProxySchemeUnsupported(
+                "Contacting HTTPS destinations through HTTPS proxies "
+                "'via CONNECT tunnels' is not supported in Python 2"
+            )
+
+    def urlopen(self, method, url, redirect=True, **kw):
+        """
+        Same as :meth:`urllib3.HTTPConnectionPool.urlopen`
+        with custom cross-host redirect logic and only sends the request-uri
+        portion of the ``url``.
+
+        The given ``url`` parameter must be absolute, such that an appropriate
+        :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it.
+        """
+        u = parse_url(url)
+        self._validate_proxy_scheme_url_selection(u.scheme)
+
+        conn = self.connection_from_host(u.host, port=u.port, scheme=u.scheme)
+
+        kw["assert_same_host"] = False
+        kw["redirect"] = False
+
+        if "headers" not in kw:
+            kw["headers"] = self.headers.copy()
+
+        if self._proxy_requires_url_absolute_form(u):
+            response = conn.urlopen(method, url, **kw)
+        else:
+            response = conn.urlopen(method, u.request_uri, **kw)
+
+        redirect_location = redirect and response.get_redirect_location()
+        if not redirect_location:
+            return response
+
+        # Support relative URLs for redirecting.
+        redirect_location = urljoin(url, redirect_location)
+
+        if response.status == 303:
+            # Change the method according to RFC 9110, Section 15.4.4.
+            method = "GET"
+            # And lose the body not to transfer anything sensitive.
+            kw["body"] = None
+            kw["headers"] = HTTPHeaderDict(kw["headers"])._prepare_for_method_change()
+
+        retries = kw.get("retries", response.retries)
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect)
+
+        # Strip headers marked as unsafe to forward to the redirected location.
+        # Check remove_headers_on_redirect to avoid a potential network call within
+        # conn.is_same_host() which may use socket.gethostbyname() in the future.
+        if retries.remove_headers_on_redirect and not conn.is_same_host(
+            redirect_location
+        ):
+            headers = list(six.iterkeys(kw["headers"]))
+            for header in headers:
+                if header.lower() in retries.remove_headers_on_redirect:
+                    kw["headers"].pop(header, None)
+
+        try:
+            retries = retries.increment(method, url, response=response, _pool=conn)
+        except MaxRetryError:
+            if retries.raise_on_redirect:
+                response.drain_conn()
+                raise
+            return response
+
+        kw["retries"] = retries
+        kw["redirect"] = redirect
+
+        log.info("Redirecting %s -> %s", url, redirect_location)
+
+        response.drain_conn()
+        return self.urlopen(method, redirect_location, **kw)
+
+
+class ProxyManager(PoolManager):
+    """
+    Behaves just like :class:`PoolManager`, but sends all requests through
+    the defined proxy, using the CONNECT method for HTTPS URLs.
+
+    :param proxy_url:
+        The URL of the proxy to be used.
+
+    :param proxy_headers:
+        A dictionary containing headers that will be sent to the proxy. In case
+        of HTTP they are being sent with each request, while in the
+        HTTPS/CONNECT case they are sent only once. Could be used for proxy
+        authentication.
+
+    :param proxy_ssl_context:
+        The proxy SSL context is used to establish the TLS connection to the
+        proxy when using HTTPS proxies.
+
+    :param use_forwarding_for_https:
+        (Defaults to False) If set to True will forward requests to the HTTPS
+        proxy to be made on behalf of the client instead of creating a TLS
+        tunnel via the CONNECT method. **Enabling this flag means that request
+        and response headers and content will be visible from the HTTPS proxy**
+        whereas tunneling keeps request and response headers and content
+        private.  IP address, target hostname, SNI, and port are always visible
+        to an HTTPS proxy even when this flag is disabled.
+
+    Example:
+        >>> proxy = urllib3.ProxyManager('http://localhost:3128/')
+        >>> r1 = proxy.request('GET', 'http://google.com/')
+        >>> r2 = proxy.request('GET', 'http://httpbin.org/')
+        >>> len(proxy.pools)
+        1
+        >>> r3 = proxy.request('GET', 'https://httpbin.org/')
+        >>> r4 = proxy.request('GET', 'https://twitter.com/')
+        >>> len(proxy.pools)
+        3
+
+    """
+
+    def __init__(
+        self,
+        proxy_url,
+        num_pools=10,
+        headers=None,
+        proxy_headers=None,
+        proxy_ssl_context=None,
+        use_forwarding_for_https=False,
+        **connection_pool_kw
+    ):
+
+        if isinstance(proxy_url, HTTPConnectionPool):
+            proxy_url = "%s://%s:%i" % (
+                proxy_url.scheme,
+                proxy_url.host,
+                proxy_url.port,
+            )
+        proxy = parse_url(proxy_url)
+
+        if proxy.scheme not in ("http", "https"):
+            raise ProxySchemeUnknown(proxy.scheme)
+
+        if not proxy.port:
+            port = port_by_scheme.get(proxy.scheme, 80)
+            proxy = proxy._replace(port=port)
+
+        self.proxy = proxy
+        self.proxy_headers = proxy_headers or {}
+        self.proxy_ssl_context = proxy_ssl_context
+        self.proxy_config = ProxyConfig(proxy_ssl_context, use_forwarding_for_https)
+
+        connection_pool_kw["_proxy"] = self.proxy
+        connection_pool_kw["_proxy_headers"] = self.proxy_headers
+        connection_pool_kw["_proxy_config"] = self.proxy_config
+
+        super(ProxyManager, self).__init__(num_pools, headers, **connection_pool_kw)
+
+    def connection_from_host(self, host, port=None, scheme="http", pool_kwargs=None):
+        if scheme == "https":
+            return super(ProxyManager, self).connection_from_host(
+                host, port, scheme, pool_kwargs=pool_kwargs
+            )
+
+        return super(ProxyManager, self).connection_from_host(
+            self.proxy.host, self.proxy.port, self.proxy.scheme, pool_kwargs=pool_kwargs
+        )
+
+    def _set_proxy_headers(self, url, headers=None):
+        """
+        Sets headers needed by proxies: specifically, the Accept and Host
+        headers. Only sets headers not provided by the user.
+        """
+        headers_ = {"Accept": "*/*"}
+
+        netloc = parse_url(url).netloc
+        if netloc:
+            headers_["Host"] = netloc
+
+        if headers:
+            headers_.update(headers)
+        return headers_
+
+    def urlopen(self, method, url, redirect=True, **kw):
+        "Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute."
+        u = parse_url(url)
+        if not connection_requires_http_tunnel(self.proxy, self.proxy_config, u.scheme):
+            # For connections using HTTP CONNECT, httplib sets the necessary
+            # headers on the CONNECT to the proxy. If we're not using CONNECT,
+            # we'll definitely need to set 'Host' at the very least.
+            headers = kw.get("headers", self.headers)
+            kw["headers"] = self._set_proxy_headers(url, headers)
+
+        return super(ProxyManager, self).urlopen(method, url, redirect=redirect, **kw)
+
+
+def proxy_from_url(url, **kw):
+    return ProxyManager(proxy_url=url, **kw)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/request.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/request.py
new file mode 100644
index 0000000000000000000000000000000000000000..398386a5b9f61c13be314e256e671a37d28e3623
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/request.py
@@ -0,0 +1,170 @@
+from __future__ import absolute_import
+
+from .filepost import encode_multipart_formdata
+from .packages.six.moves.urllib.parse import urlencode
+
+__all__ = ["RequestMethods"]
+
+
+class RequestMethods(object):
+    """
+    Convenience mixin for classes who implement a :meth:`urlopen` method, such
+    as :class:`urllib3.HTTPConnectionPool` and
+    :class:`urllib3.PoolManager`.
+
+    Provides behavior for making common types of HTTP request methods and
+    decides which type of request field encoding to use.
+
+    Specifically,
+
+    :meth:`.request_encode_url` is for sending requests whose fields are
+    encoded in the URL (such as GET, HEAD, DELETE).
+
+    :meth:`.request_encode_body` is for sending requests whose fields are
+    encoded in the *body* of the request using multipart or www-form-urlencoded
+    (such as for POST, PUT, PATCH).
+
+    :meth:`.request` is for making any kind of request, it will look up the
+    appropriate encoding format and use one of the above two methods to make
+    the request.
+
+    Initializer parameters:
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+    """
+
+    _encode_url_methods = {"DELETE", "GET", "HEAD", "OPTIONS"}
+
+    def __init__(self, headers=None):
+        self.headers = headers or {}
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        encode_multipart=True,
+        multipart_boundary=None,
+        **kw
+    ):  # Abstract
+        raise NotImplementedError(
+            "Classes extending RequestMethods must implement "
+            "their own ``urlopen`` method."
+        )
+
+    def request(self, method, url, fields=None, headers=None, **urlopen_kw):
+        """
+        Make a request using :meth:`urlopen` with the appropriate encoding of
+        ``fields`` based on the ``method`` used.
+
+        This is a convenience method that requires the least amount of manual
+        effort. It can be used in most situations, while still having the
+        option to drop down to more specific methods when necessary, such as
+        :meth:`request_encode_url`, :meth:`request_encode_body`,
+        or even the lowest level :meth:`urlopen`.
+        """
+        method = method.upper()
+
+        urlopen_kw["request_url"] = url
+
+        if method in self._encode_url_methods:
+            return self.request_encode_url(
+                method, url, fields=fields, headers=headers, **urlopen_kw
+            )
+        else:
+            return self.request_encode_body(
+                method, url, fields=fields, headers=headers, **urlopen_kw
+            )
+
+    def request_encode_url(self, method, url, fields=None, headers=None, **urlopen_kw):
+        """
+        Make a request using :meth:`urlopen` with the ``fields`` encoded in
+        the url. This is useful for request methods like GET, HEAD, DELETE, etc.
+        """
+        if headers is None:
+            headers = self.headers
+
+        extra_kw = {"headers": headers}
+        extra_kw.update(urlopen_kw)
+
+        if fields:
+            url += "?" + urlencode(fields)
+
+        return self.urlopen(method, url, **extra_kw)
+
+    def request_encode_body(
+        self,
+        method,
+        url,
+        fields=None,
+        headers=None,
+        encode_multipart=True,
+        multipart_boundary=None,
+        **urlopen_kw
+    ):
+        """
+        Make a request using :meth:`urlopen` with the ``fields`` encoded in
+        the body. This is useful for request methods like POST, PUT, PATCH, etc.
+
+        When ``encode_multipart=True`` (default), then
+        :func:`urllib3.encode_multipart_formdata` is used to encode
+        the payload with the appropriate content type. Otherwise
+        :func:`urllib.parse.urlencode` is used with the
+        'application/x-www-form-urlencoded' content type.
+
+        Multipart encoding must be used when posting files, and it's reasonably
+        safe to use it in other times too. However, it may break request
+        signing, such as with OAuth.
+
+        Supports an optional ``fields`` parameter of key/value strings AND
+        key/filetuple. A filetuple is a (filename, data, MIME type) tuple where
+        the MIME type is optional. For example::
+
+            fields = {
+                'foo': 'bar',
+                'fakefile': ('foofile.txt', 'contents of foofile'),
+                'realfile': ('barfile.txt', open('realfile').read()),
+                'typedfile': ('bazfile.bin', open('bazfile').read(),
+                              'image/jpeg'),
+                'nonamefile': 'contents of nonamefile field',
+            }
+
+        When uploading a file, providing a filename (the first parameter of the
+        tuple) is optional but recommended to best mimic behavior of browsers.
+
+        Note that if ``headers`` are supplied, the 'Content-Type' header will
+        be overwritten because it depends on the dynamic random boundary string
+        which is used to compose the body of the request. The random boundary
+        string can be explicitly set with the ``multipart_boundary`` parameter.
+        """
+        if headers is None:
+            headers = self.headers
+
+        extra_kw = {"headers": {}}
+
+        if fields:
+            if "body" in urlopen_kw:
+                raise TypeError(
+                    "request got values for both 'fields' and 'body', can only specify one."
+                )
+
+            if encode_multipart:
+                body, content_type = encode_multipart_formdata(
+                    fields, boundary=multipart_boundary
+                )
+            else:
+                body, content_type = (
+                    urlencode(fields),
+                    "application/x-www-form-urlencoded",
+                )
+
+            extra_kw["body"] = body
+            extra_kw["headers"] = {"Content-Type": content_type}
+
+        extra_kw["headers"].update(headers)
+        extra_kw.update(urlopen_kw)
+
+        return self.urlopen(method, url, **extra_kw)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/response.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/response.py
new file mode 100644
index 0000000000000000000000000000000000000000..38693f4fc6e33766f7a6b4f1227867ae86d2da32
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/response.py
@@ -0,0 +1,821 @@
+from __future__ import absolute_import
+
+import io
+import logging
+import zlib
+from contextlib import contextmanager
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+try:
+    import brotli
+except ImportError:
+    brotli = None
+
+from ._collections import HTTPHeaderDict
+from .connection import BaseSSLError, HTTPException
+from .exceptions import (
+    BodyNotHttplibCompatible,
+    DecodeError,
+    HTTPError,
+    IncompleteRead,
+    InvalidChunkLength,
+    InvalidHeader,
+    ProtocolError,
+    ReadTimeoutError,
+    ResponseNotChunked,
+    SSLError,
+)
+from .packages import six
+from .util.response import is_fp_closed, is_response_to_head
+
+log = logging.getLogger(__name__)
+
+
+class DeflateDecoder(object):
+    def __init__(self):
+        self._first_try = True
+        self._data = b""
+        self._obj = zlib.decompressobj()
+
+    def __getattr__(self, name):
+        return getattr(self._obj, name)
+
+    def decompress(self, data):
+        if not data:
+            return data
+
+        if not self._first_try:
+            return self._obj.decompress(data)
+
+        self._data += data
+        try:
+            decompressed = self._obj.decompress(data)
+            if decompressed:
+                self._first_try = False
+                self._data = None
+            return decompressed
+        except zlib.error:
+            self._first_try = False
+            self._obj = zlib.decompressobj(-zlib.MAX_WBITS)
+            try:
+                return self.decompress(self._data)
+            finally:
+                self._data = None
+
+
+class GzipDecoderState(object):
+
+    FIRST_MEMBER = 0
+    OTHER_MEMBERS = 1
+    SWALLOW_DATA = 2
+
+
+class GzipDecoder(object):
+    def __init__(self):
+        self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS)
+        self._state = GzipDecoderState.FIRST_MEMBER
+
+    def __getattr__(self, name):
+        return getattr(self._obj, name)
+
+    def decompress(self, data):
+        ret = bytearray()
+        if self._state == GzipDecoderState.SWALLOW_DATA or not data:
+            return bytes(ret)
+        while True:
+            try:
+                ret += self._obj.decompress(data)
+            except zlib.error:
+                previous_state = self._state
+                # Ignore data after the first error
+                self._state = GzipDecoderState.SWALLOW_DATA
+                if previous_state == GzipDecoderState.OTHER_MEMBERS:
+                    # Allow trailing garbage acceptable in other gzip clients
+                    return bytes(ret)
+                raise
+            data = self._obj.unused_data
+            if not data:
+                return bytes(ret)
+            self._state = GzipDecoderState.OTHER_MEMBERS
+            self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS)
+
+
+if brotli is not None:
+
+    class BrotliDecoder(object):
+        # Supports both 'brotlipy' and 'Brotli' packages
+        # since they share an import name. The top branches
+        # are for 'brotlipy' and bottom branches for 'Brotli'
+        def __init__(self):
+            self._obj = brotli.Decompressor()
+            if hasattr(self._obj, "decompress"):
+                self.decompress = self._obj.decompress
+            else:
+                self.decompress = self._obj.process
+
+        def flush(self):
+            if hasattr(self._obj, "flush"):
+                return self._obj.flush()
+            return b""
+
+
+class MultiDecoder(object):
+    """
+    From RFC7231:
+        If one or more encodings have been applied to a representation, the
+        sender that applied the encodings MUST generate a Content-Encoding
+        header field that lists the content codings in the order in which
+        they were applied.
+    """
+
+    def __init__(self, modes):
+        self._decoders = [_get_decoder(m.strip()) for m in modes.split(",")]
+
+    def flush(self):
+        return self._decoders[0].flush()
+
+    def decompress(self, data):
+        for d in reversed(self._decoders):
+            data = d.decompress(data)
+        return data
+
+
+def _get_decoder(mode):
+    if "," in mode:
+        return MultiDecoder(mode)
+
+    if mode == "gzip":
+        return GzipDecoder()
+
+    if brotli is not None and mode == "br":
+        return BrotliDecoder()
+
+    return DeflateDecoder()
+
+
+class HTTPResponse(io.IOBase):
+    """
+    HTTP Response container.
+
+    Backwards-compatible with :class:`http.client.HTTPResponse` but the response ``body`` is
+    loaded and decoded on-demand when the ``data`` property is accessed.  This
+    class is also compatible with the Python standard library's :mod:`io`
+    module, and can hence be treated as a readable object in the context of that
+    framework.
+
+    Extra parameters for behaviour not present in :class:`http.client.HTTPResponse`:
+
+    :param preload_content:
+        If True, the response's body will be preloaded during construction.
+
+    :param decode_content:
+        If True, will attempt to decode the body based on the
+        'content-encoding' header.
+
+    :param original_response:
+        When this HTTPResponse wrapper is generated from an :class:`http.client.HTTPResponse`
+        object, it's convenient to include the original for debug purposes. It's
+        otherwise unused.
+
+    :param retries:
+        The retries contains the last :class:`~urllib3.util.retry.Retry` that
+        was used during the request.
+
+    :param enforce_content_length:
+        Enforce content length checking. Body returned by server must match
+        value of Content-Length header, if present. Otherwise, raise error.
+    """
+
+    CONTENT_DECODERS = ["gzip", "deflate"]
+    if brotli is not None:
+        CONTENT_DECODERS += ["br"]
+    REDIRECT_STATUSES = [301, 302, 303, 307, 308]
+
+    def __init__(
+        self,
+        body="",
+        headers=None,
+        status=0,
+        version=0,
+        reason=None,
+        strict=0,
+        preload_content=True,
+        decode_content=True,
+        original_response=None,
+        pool=None,
+        connection=None,
+        msg=None,
+        retries=None,
+        enforce_content_length=False,
+        request_method=None,
+        request_url=None,
+        auto_close=True,
+    ):
+
+        if isinstance(headers, HTTPHeaderDict):
+            self.headers = headers
+        else:
+            self.headers = HTTPHeaderDict(headers)
+        self.status = status
+        self.version = version
+        self.reason = reason
+        self.strict = strict
+        self.decode_content = decode_content
+        self.retries = retries
+        self.enforce_content_length = enforce_content_length
+        self.auto_close = auto_close
+
+        self._decoder = None
+        self._body = None
+        self._fp = None
+        self._original_response = original_response
+        self._fp_bytes_read = 0
+        self.msg = msg
+        self._request_url = request_url
+
+        if body and isinstance(body, (six.string_types, bytes)):
+            self._body = body
+
+        self._pool = pool
+        self._connection = connection
+
+        if hasattr(body, "read"):
+            self._fp = body
+
+        # Are we using the chunked-style of transfer encoding?
+        self.chunked = False
+        self.chunk_left = None
+        tr_enc = self.headers.get("transfer-encoding", "").lower()
+        # Don't incur the penalty of creating a list and then discarding it
+        encodings = (enc.strip() for enc in tr_enc.split(","))
+        if "chunked" in encodings:
+            self.chunked = True
+
+        # Determine length of response
+        self.length_remaining = self._init_length(request_method)
+
+        # If requested, preload the body.
+        if preload_content and not self._body:
+            self._body = self.read(decode_content=decode_content)
+
+    def get_redirect_location(self):
+        """
+        Should we redirect and where to?
+
+        :returns: Truthy redirect location string if we got a redirect status
+            code and valid location. ``None`` if redirect status and no
+            location. ``False`` if not a redirect status code.
+        """
+        if self.status in self.REDIRECT_STATUSES:
+            return self.headers.get("location")
+
+        return False
+
+    def release_conn(self):
+        if not self._pool or not self._connection:
+            return
+
+        self._pool._put_conn(self._connection)
+        self._connection = None
+
+    def drain_conn(self):
+        """
+        Read and discard any remaining HTTP response data in the response connection.
+
+        Unread data in the HTTPResponse connection blocks the connection from being released back to the pool.
+        """
+        try:
+            self.read()
+        except (HTTPError, SocketError, BaseSSLError, HTTPException):
+            pass
+
+    @property
+    def data(self):
+        # For backwards-compat with earlier urllib3 0.4 and earlier.
+        if self._body:
+            return self._body
+
+        if self._fp:
+            return self.read(cache_content=True)
+
+    @property
+    def connection(self):
+        return self._connection
+
+    def isclosed(self):
+        return is_fp_closed(self._fp)
+
+    def tell(self):
+        """
+        Obtain the number of bytes pulled over the wire so far. May differ from
+        the amount of content returned by :meth:``urllib3.response.HTTPResponse.read``
+        if bytes are encoded on the wire (e.g, compressed).
+        """
+        return self._fp_bytes_read
+
+    def _init_length(self, request_method):
+        """
+        Set initial length value for Response content if available.
+        """
+        length = self.headers.get("content-length")
+
+        if length is not None:
+            if self.chunked:
+                # This Response will fail with an IncompleteRead if it can't be
+                # received as chunked. This method falls back to attempt reading
+                # the response before raising an exception.
+                log.warning(
+                    "Received response with both Content-Length and "
+                    "Transfer-Encoding set. This is expressly forbidden "
+                    "by RFC 7230 sec 3.3.2. Ignoring Content-Length and "
+                    "attempting to process response as Transfer-Encoding: "
+                    "chunked."
+                )
+                return None
+
+            try:
+                # RFC 7230 section 3.3.2 specifies multiple content lengths can
+                # be sent in a single Content-Length header
+                # (e.g. Content-Length: 42, 42). This line ensures the values
+                # are all valid ints and that as long as the `set` length is 1,
+                # all values are the same. Otherwise, the header is invalid.
+                lengths = set([int(val) for val in length.split(",")])
+                if len(lengths) > 1:
+                    raise InvalidHeader(
+                        "Content-Length contained multiple "
+                        "unmatching values (%s)" % length
+                    )
+                length = lengths.pop()
+            except ValueError:
+                length = None
+            else:
+                if length < 0:
+                    length = None
+
+        # Convert status to int for comparison
+        # In some cases, httplib returns a status of "_UNKNOWN"
+        try:
+            status = int(self.status)
+        except ValueError:
+            status = 0
+
+        # Check for responses that shouldn't include a body
+        if status in (204, 304) or 100 <= status < 200 or request_method == "HEAD":
+            length = 0
+
+        return length
+
+    def _init_decoder(self):
+        """
+        Set-up the _decoder attribute if necessary.
+        """
+        # Note: content-encoding value should be case-insensitive, per RFC 7230
+        # Section 3.2
+        content_encoding = self.headers.get("content-encoding", "").lower()
+        if self._decoder is None:
+            if content_encoding in self.CONTENT_DECODERS:
+                self._decoder = _get_decoder(content_encoding)
+            elif "," in content_encoding:
+                encodings = [
+                    e.strip()
+                    for e in content_encoding.split(",")
+                    if e.strip() in self.CONTENT_DECODERS
+                ]
+                if len(encodings):
+                    self._decoder = _get_decoder(content_encoding)
+
+    DECODER_ERROR_CLASSES = (IOError, zlib.error)
+    if brotli is not None:
+        DECODER_ERROR_CLASSES += (brotli.error,)
+
+    def _decode(self, data, decode_content, flush_decoder):
+        """
+        Decode the data passed in and potentially flush the decoder.
+        """
+        if not decode_content:
+            return data
+
+        try:
+            if self._decoder:
+                data = self._decoder.decompress(data)
+        except self.DECODER_ERROR_CLASSES as e:
+            content_encoding = self.headers.get("content-encoding", "").lower()
+            raise DecodeError(
+                "Received response with content-encoding: %s, but "
+                "failed to decode it." % content_encoding,
+                e,
+            )
+        if flush_decoder:
+            data += self._flush_decoder()
+
+        return data
+
+    def _flush_decoder(self):
+        """
+        Flushes the decoder. Should only be called if the decoder is actually
+        being used.
+        """
+        if self._decoder:
+            buf = self._decoder.decompress(b"")
+            return buf + self._decoder.flush()
+
+        return b""
+
+    @contextmanager
+    def _error_catcher(self):
+        """
+        Catch low-level python exceptions, instead re-raising urllib3
+        variants, so that low-level exceptions are not leaked in the
+        high-level api.
+
+        On exit, release the connection back to the pool.
+        """
+        clean_exit = False
+
+        try:
+            try:
+                yield
+
+            except SocketTimeout:
+                # FIXME: Ideally we'd like to include the url in the ReadTimeoutError but
+                # there is yet no clean way to get at it from this context.
+                raise ReadTimeoutError(self._pool, None, "Read timed out.")
+
+            except BaseSSLError as e:
+                # FIXME: Is there a better way to differentiate between SSLErrors?
+                if "read operation timed out" not in str(e):
+                    # SSL errors related to framing/MAC get wrapped and reraised here
+                    raise SSLError(e)
+
+                raise ReadTimeoutError(self._pool, None, "Read timed out.")
+
+            except (HTTPException, SocketError) as e:
+                # This includes IncompleteRead.
+                raise ProtocolError("Connection broken: %r" % e, e)
+
+            # If no exception is thrown, we should avoid cleaning up
+            # unnecessarily.
+            clean_exit = True
+        finally:
+            # If we didn't terminate cleanly, we need to throw away our
+            # connection.
+            if not clean_exit:
+                # The response may not be closed but we're not going to use it
+                # anymore so close it now to ensure that the connection is
+                # released back to the pool.
+                if self._original_response:
+                    self._original_response.close()
+
+                # Closing the response may not actually be sufficient to close
+                # everything, so if we have a hold of the connection close that
+                # too.
+                if self._connection:
+                    self._connection.close()
+
+            # If we hold the original response but it's closed now, we should
+            # return the connection back to the pool.
+            if self._original_response and self._original_response.isclosed():
+                self.release_conn()
+
+    def read(self, amt=None, decode_content=None, cache_content=False):
+        """
+        Similar to :meth:`http.client.HTTPResponse.read`, but with two additional
+        parameters: ``decode_content`` and ``cache_content``.
+
+        :param amt:
+            How much of the content to read. If specified, caching is skipped
+            because it doesn't make sense to cache partial content as the full
+            response.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+
+        :param cache_content:
+            If True, will save the returned data such that the same result is
+            returned despite of the state of the underlying file object. This
+            is useful if you want the ``.data`` property to continue working
+            after having ``.read()`` the file object. (Overridden if ``amt`` is
+            set.)
+        """
+        self._init_decoder()
+        if decode_content is None:
+            decode_content = self.decode_content
+
+        if self._fp is None:
+            return
+
+        flush_decoder = False
+        fp_closed = getattr(self._fp, "closed", False)
+
+        with self._error_catcher():
+            if amt is None:
+                # cStringIO doesn't like amt=None
+                data = self._fp.read() if not fp_closed else b""
+                flush_decoder = True
+            else:
+                cache_content = False
+                data = self._fp.read(amt) if not fp_closed else b""
+                if (
+                    amt != 0 and not data
+                ):  # Platform-specific: Buggy versions of Python.
+                    # Close the connection when no data is returned
+                    #
+                    # This is redundant to what httplib/http.client _should_
+                    # already do.  However, versions of python released before
+                    # December 15, 2012 (http://bugs.python.org/issue16298) do
+                    # not properly close the connection in all cases. There is
+                    # no harm in redundantly calling close.
+                    self._fp.close()
+                    flush_decoder = True
+                    if self.enforce_content_length and self.length_remaining not in (
+                        0,
+                        None,
+                    ):
+                        # This is an edge case that httplib failed to cover due
+                        # to concerns of backward compatibility. We're
+                        # addressing it here to make sure IncompleteRead is
+                        # raised during streaming, so all calls with incorrect
+                        # Content-Length are caught.
+                        raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
+
+        if data:
+            self._fp_bytes_read += len(data)
+            if self.length_remaining is not None:
+                self.length_remaining -= len(data)
+
+            data = self._decode(data, decode_content, flush_decoder)
+
+            if cache_content:
+                self._body = data
+
+        return data
+
+    def stream(self, amt=2 ** 16, decode_content=None):
+        """
+        A generator wrapper for the read() method. A call will block until
+        ``amt`` bytes have been read from the connection or until the
+        connection is closed.
+
+        :param amt:
+            How much of the content to read. The generator will return up to
+            much data per iteration, but may return less. This is particularly
+            likely when using compressed data. However, the empty string will
+            never be returned.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+        """
+        if self.chunked and self.supports_chunked_reads():
+            for line in self.read_chunked(amt, decode_content=decode_content):
+                yield line
+        else:
+            while not is_fp_closed(self._fp):
+                data = self.read(amt=amt, decode_content=decode_content)
+
+                if data:
+                    yield data
+
+    @classmethod
+    def from_httplib(ResponseCls, r, **response_kw):
+        """
+        Given an :class:`http.client.HTTPResponse` instance ``r``, return a
+        corresponding :class:`urllib3.response.HTTPResponse` object.
+
+        Remaining parameters are passed to the HTTPResponse constructor, along
+        with ``original_response=r``.
+        """
+        headers = r.msg
+
+        if not isinstance(headers, HTTPHeaderDict):
+            if six.PY2:
+                # Python 2.7
+                headers = HTTPHeaderDict.from_httplib(headers)
+            else:
+                headers = HTTPHeaderDict(headers.items())
+
+        # HTTPResponse objects in Python 3 don't have a .strict attribute
+        strict = getattr(r, "strict", 0)
+        resp = ResponseCls(
+            body=r,
+            headers=headers,
+            status=r.status,
+            version=r.version,
+            reason=r.reason,
+            strict=strict,
+            original_response=r,
+            **response_kw
+        )
+        return resp
+
+    # Backwards-compatibility methods for http.client.HTTPResponse
+    def getheaders(self):
+        return self.headers
+
+    def getheader(self, name, default=None):
+        return self.headers.get(name, default)
+
+    # Backwards compatibility for http.cookiejar
+    def info(self):
+        return self.headers
+
+    # Overrides from io.IOBase
+    def close(self):
+        if not self.closed:
+            self._fp.close()
+
+        if self._connection:
+            self._connection.close()
+
+        if not self.auto_close:
+            io.IOBase.close(self)
+
+    @property
+    def closed(self):
+        if not self.auto_close:
+            return io.IOBase.closed.__get__(self)
+        elif self._fp is None:
+            return True
+        elif hasattr(self._fp, "isclosed"):
+            return self._fp.isclosed()
+        elif hasattr(self._fp, "closed"):
+            return self._fp.closed
+        else:
+            return True
+
+    def fileno(self):
+        if self._fp is None:
+            raise IOError("HTTPResponse has no file to get a fileno from")
+        elif hasattr(self._fp, "fileno"):
+            return self._fp.fileno()
+        else:
+            raise IOError(
+                "The file-like object this HTTPResponse is wrapped "
+                "around has no file descriptor"
+            )
+
+    def flush(self):
+        if (
+            self._fp is not None
+            and hasattr(self._fp, "flush")
+            and not getattr(self._fp, "closed", False)
+        ):
+            return self._fp.flush()
+
+    def readable(self):
+        # This method is required for `io` module compatibility.
+        return True
+
+    def readinto(self, b):
+        # This method is required for `io` module compatibility.
+        temp = self.read(len(b))
+        if len(temp) == 0:
+            return 0
+        else:
+            b[: len(temp)] = temp
+            return len(temp)
+
+    def supports_chunked_reads(self):
+        """
+        Checks if the underlying file-like object looks like a
+        :class:`http.client.HTTPResponse` object. We do this by testing for
+        the fp attribute. If it is present we assume it returns raw chunks as
+        processed by read_chunked().
+        """
+        return hasattr(self._fp, "fp")
+
+    def _update_chunk_length(self):
+        # First, we'll figure out length of a chunk and then
+        # we'll try to read it from socket.
+        if self.chunk_left is not None:
+            return
+        line = self._fp.fp.readline()
+        line = line.split(b";", 1)[0]
+        try:
+            self.chunk_left = int(line, 16)
+        except ValueError:
+            # Invalid chunked protocol response, abort.
+            self.close()
+            raise InvalidChunkLength(self, line)
+
+    def _handle_chunk(self, amt):
+        returned_chunk = None
+        if amt is None:
+            chunk = self._fp._safe_read(self.chunk_left)
+            returned_chunk = chunk
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+        elif amt < self.chunk_left:
+            value = self._fp._safe_read(amt)
+            self.chunk_left = self.chunk_left - amt
+            returned_chunk = value
+        elif amt == self.chunk_left:
+            value = self._fp._safe_read(amt)
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+            returned_chunk = value
+        else:  # amt > self.chunk_left
+            returned_chunk = self._fp._safe_read(self.chunk_left)
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+        return returned_chunk
+
+    def read_chunked(self, amt=None, decode_content=None):
+        """
+        Similar to :meth:`HTTPResponse.read`, but with an additional
+        parameter: ``decode_content``.
+
+        :param amt:
+            How much of the content to read. If specified, caching is skipped
+            because it doesn't make sense to cache partial content as the full
+            response.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+        """
+        self._init_decoder()
+        # FIXME: Rewrite this method and make it a class with a better structured logic.
+        if not self.chunked:
+            raise ResponseNotChunked(
+                "Response is not chunked. "
+                "Header 'transfer-encoding: chunked' is missing."
+            )
+        if not self.supports_chunked_reads():
+            raise BodyNotHttplibCompatible(
+                "Body should be http.client.HTTPResponse like. "
+                "It should have have an fp attribute which returns raw chunks."
+            )
+
+        with self._error_catcher():
+            # Don't bother reading the body of a HEAD request.
+            if self._original_response and is_response_to_head(self._original_response):
+                self._original_response.close()
+                return
+
+            # If a response is already read and closed
+            # then return immediately.
+            if self._fp.fp is None:
+                return
+
+            while True:
+                self._update_chunk_length()
+                if self.chunk_left == 0:
+                    break
+                chunk = self._handle_chunk(amt)
+                decoded = self._decode(
+                    chunk, decode_content=decode_content, flush_decoder=False
+                )
+                if decoded:
+                    yield decoded
+
+            if decode_content:
+                # On CPython and PyPy, we should never need to flush the
+                # decoder. However, on Jython we *might* need to, so
+                # lets defensively do it anyway.
+                decoded = self._flush_decoder()
+                if decoded:  # Platform-specific: Jython.
+                    yield decoded
+
+            # Chunk content ends with \r\n: discard it.
+            while True:
+                line = self._fp.fp.readline()
+                if not line:
+                    # Some sites may not end with '\r\n'.
+                    break
+                if line == b"\r\n":
+                    break
+
+            # We read everything; close the "file".
+            if self._original_response:
+                self._original_response.close()
+
+    def geturl(self):
+        """
+        Returns the URL that was the source of this response.
+        If the request that generated this response redirected, this method
+        will return the final redirect location.
+        """
+        if self.retries is not None and len(self.retries.history):
+            return self.retries.history[-1].redirect_location
+        else:
+            return self._request_url
+
+    def __iter__(self):
+        buffer = []
+        for chunk in self.stream(decode_content=True):
+            if b"\n" in chunk:
+                chunk = chunk.split(b"\n")
+                yield b"".join(buffer) + chunk[0] + b"\n"
+                for x in chunk[1:-1]:
+                    yield x + b"\n"
+                if chunk[-1]:
+                    buffer = [chunk[-1]]
+                else:
+                    buffer = []
+            else:
+                buffer.append(chunk)
+        if buffer:
+            yield b"".join(buffer)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..4547fc522b690ba2697843edd044f2039a4123a9
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/__init__.py
@@ -0,0 +1,49 @@
+from __future__ import absolute_import
+
+# For backwards compatibility, provide imports that used to be here.
+from .connection import is_connection_dropped
+from .request import SKIP_HEADER, SKIPPABLE_HEADERS, make_headers
+from .response import is_fp_closed
+from .retry import Retry
+from .ssl_ import (
+    ALPN_PROTOCOLS,
+    HAS_SNI,
+    IS_PYOPENSSL,
+    IS_SECURETRANSPORT,
+    PROTOCOL_TLS,
+    SSLContext,
+    assert_fingerprint,
+    resolve_cert_reqs,
+    resolve_ssl_version,
+    ssl_wrap_socket,
+)
+from .timeout import Timeout, current_time
+from .url import Url, get_host, parse_url, split_first
+from .wait import wait_for_read, wait_for_write
+
+__all__ = (
+    "HAS_SNI",
+    "IS_PYOPENSSL",
+    "IS_SECURETRANSPORT",
+    "SSLContext",
+    "PROTOCOL_TLS",
+    "ALPN_PROTOCOLS",
+    "Retry",
+    "Timeout",
+    "Url",
+    "assert_fingerprint",
+    "current_time",
+    "is_connection_dropped",
+    "is_fp_closed",
+    "get_host",
+    "parse_url",
+    "make_headers",
+    "resolve_cert_reqs",
+    "resolve_ssl_version",
+    "split_first",
+    "ssl_wrap_socket",
+    "wait_for_read",
+    "wait_for_write",
+    "SKIP_HEADER",
+    "SKIPPABLE_HEADERS",
+)
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/connection.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/connection.py
new file mode 100644
index 0000000000000000000000000000000000000000..6af1138f260e4eaaa0aa242f7f50b918a283b49f
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/connection.py
@@ -0,0 +1,149 @@
+from __future__ import absolute_import
+
+import socket
+
+from ..contrib import _appengine_environ
+from ..exceptions import LocationParseError
+from ..packages import six
+from .wait import NoWayToWaitForSocketError, wait_for_read
+
+
+def is_connection_dropped(conn):  # Platform-specific
+    """
+    Returns True if the connection is dropped and should be closed.
+
+    :param conn:
+        :class:`http.client.HTTPConnection` object.
+
+    Note: For platforms like AppEngine, this will always return ``False`` to
+    let the platform handle connection recycling transparently for us.
+    """
+    sock = getattr(conn, "sock", False)
+    if sock is False:  # Platform-specific: AppEngine
+        return False
+    if sock is None:  # Connection already closed (such as by httplib).
+        return True
+    try:
+        # Returns True if readable, which here means it's been dropped
+        return wait_for_read(sock, timeout=0.0)
+    except NoWayToWaitForSocketError:  # Platform-specific: AppEngine
+        return False
+
+
+# This function is copied from socket.py in the Python 2.7 standard
+# library test suite. Added to its signature is only `socket_options`.
+# One additional modification is that we avoid binding to IPv6 servers
+# discovered in DNS if the system doesn't have IPv6 functionality.
+def create_connection(
+    address,
+    timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
+    source_address=None,
+    socket_options=None,
+):
+    """Connect to *address* and return the socket object.
+
+    Convenience function.  Connect to *address* (a 2-tuple ``(host,
+    port)``) and return the socket object.  Passing the optional
+    *timeout* parameter will set the timeout on the socket instance
+    before attempting to connect.  If no *timeout* is supplied, the
+    global default timeout setting returned by :func:`socket.getdefaulttimeout`
+    is used.  If *source_address* is set it must be a tuple of (host, port)
+    for the socket to bind as a source address before making the connection.
+    An host of '' or port 0 tells the OS to use the default.
+    """
+
+    host, port = address
+    if host.startswith("["):
+        host = host.strip("[]")
+    err = None
+
+    # Using the value from allowed_gai_family() in the context of getaddrinfo lets
+    # us select whether to work with IPv4 DNS records, IPv6 records, or both.
+    # The original create_connection function always returns all records.
+    family = allowed_gai_family()
+
+    try:
+        host.encode("idna")
+    except UnicodeError:
+        return six.raise_from(
+            LocationParseError(u"'%s', label empty or too long" % host), None
+        )
+
+    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
+        af, socktype, proto, canonname, sa = res
+        sock = None
+        try:
+            sock = socket.socket(af, socktype, proto)
+
+            # If provided, set socket level options before connecting.
+            _set_socket_options(sock, socket_options)
+
+            if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
+                sock.settimeout(timeout)
+            if source_address:
+                sock.bind(source_address)
+            sock.connect(sa)
+            return sock
+
+        except socket.error as e:
+            err = e
+            if sock is not None:
+                sock.close()
+                sock = None
+
+    if err is not None:
+        raise err
+
+    raise socket.error("getaddrinfo returns an empty list")
+
+
+def _set_socket_options(sock, options):
+    if options is None:
+        return
+
+    for opt in options:
+        sock.setsockopt(*opt)
+
+
+def allowed_gai_family():
+    """This function is designed to work in the context of
+    getaddrinfo, where family=socket.AF_UNSPEC is the default and
+    will perform a DNS search for both IPv6 and IPv4 records."""
+
+    family = socket.AF_INET
+    if HAS_IPV6:
+        family = socket.AF_UNSPEC
+    return family
+
+
+def _has_ipv6(host):
+    """Returns True if the system can bind an IPv6 address."""
+    sock = None
+    has_ipv6 = False
+
+    # App Engine doesn't support IPV6 sockets and actually has a quota on the
+    # number of sockets that can be used, so just early out here instead of
+    # creating a socket needlessly.
+    # See https://github.com/urllib3/urllib3/issues/1446
+    if _appengine_environ.is_appengine_sandbox():
+        return False
+
+    if socket.has_ipv6:
+        # has_ipv6 returns true if cPython was compiled with IPv6 support.
+        # It does not tell us if the system has IPv6 support enabled. To
+        # determine that we must bind to an IPv6 address.
+        # https://github.com/urllib3/urllib3/pull/611
+        # https://bugs.python.org/issue658327
+        try:
+            sock = socket.socket(socket.AF_INET6)
+            sock.bind((host, 0))
+            has_ipv6 = True
+        except Exception:
+            pass
+
+    if sock:
+        sock.close()
+    return has_ipv6
+
+
+HAS_IPV6 = _has_ipv6("::1")
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/proxy.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/proxy.py
new file mode 100644
index 0000000000000000000000000000000000000000..2199cc7b7f004009493d032720c36d6568f9d89e
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/proxy.py
@@ -0,0 +1,57 @@
+from .ssl_ import create_urllib3_context, resolve_cert_reqs, resolve_ssl_version
+
+
+def connection_requires_http_tunnel(
+    proxy_url=None, proxy_config=None, destination_scheme=None
+):
+    """
+    Returns True if the connection requires an HTTP CONNECT through the proxy.
+
+    :param URL proxy_url:
+        URL of the proxy.
+    :param ProxyConfig proxy_config:
+        Proxy configuration from poolmanager.py
+    :param str destination_scheme:
+        The scheme of the destination. (i.e https, http, etc)
+    """
+    # If we're not using a proxy, no way to use a tunnel.
+    if proxy_url is None:
+        return False
+
+    # HTTP destinations never require tunneling, we always forward.
+    if destination_scheme == "http":
+        return False
+
+    # Support for forwarding with HTTPS proxies and HTTPS destinations.
+    if (
+        proxy_url.scheme == "https"
+        and proxy_config
+        and proxy_config.use_forwarding_for_https
+    ):
+        return False
+
+    # Otherwise always use a tunnel.
+    return True
+
+
+def create_proxy_ssl_context(
+    ssl_version, cert_reqs, ca_certs=None, ca_cert_dir=None, ca_cert_data=None
+):
+    """
+    Generates a default proxy ssl context if one hasn't been provided by the
+    user.
+    """
+    ssl_context = create_urllib3_context(
+        ssl_version=resolve_ssl_version(ssl_version),
+        cert_reqs=resolve_cert_reqs(cert_reqs),
+    )
+
+    if (
+        not ca_certs
+        and not ca_cert_dir
+        and not ca_cert_data
+        and hasattr(ssl_context, "load_default_certs")
+    ):
+        ssl_context.load_default_certs()
+
+    return ssl_context
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/queue.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/queue.py
new file mode 100644
index 0000000000000000000000000000000000000000..41784104ee4bd5796006d1052536325d52db1e8c
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/queue.py
@@ -0,0 +1,22 @@
+import collections
+
+from ..packages import six
+from ..packages.six.moves import queue
+
+if six.PY2:
+    # Queue is imported for side effects on MS Windows. See issue #229.
+    import Queue as _unused_module_Queue  # noqa: F401
+
+
+class LifoQueue(queue.Queue):
+    def _init(self, _):
+        self.queue = collections.deque()
+
+    def _qsize(self, len=len):
+        return len(self.queue)
+
+    def _put(self, item):
+        self.queue.append(item)
+
+    def _get(self):
+        return self.queue.pop()
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/request.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/request.py
new file mode 100644
index 0000000000000000000000000000000000000000..25103383ec7abc7b46fb6a6f549efa38e4abe24c
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/request.py
@@ -0,0 +1,143 @@
+from __future__ import absolute_import
+
+from base64 import b64encode
+
+from ..exceptions import UnrewindableBodyError
+from ..packages.six import b, integer_types
+
+# Pass as a value within ``headers`` to skip
+# emitting some HTTP headers that are added automatically.
+# The only headers that are supported are ``Accept-Encoding``,
+# ``Host``, and ``User-Agent``.
+SKIP_HEADER = "@@@SKIP_HEADER@@@"
+SKIPPABLE_HEADERS = frozenset(["accept-encoding", "host", "user-agent"])
+
+ACCEPT_ENCODING = "gzip,deflate"
+try:
+    import brotli as _unused_module_brotli  # noqa: F401
+except ImportError:
+    pass
+else:
+    ACCEPT_ENCODING += ",br"
+
+_FAILEDTELL = object()
+
+
+def make_headers(
+    keep_alive=None,
+    accept_encoding=None,
+    user_agent=None,
+    basic_auth=None,
+    proxy_basic_auth=None,
+    disable_cache=None,
+):
+    """
+    Shortcuts for generating request headers.
+
+    :param keep_alive:
+        If ``True``, adds 'connection: keep-alive' header.
+
+    :param accept_encoding:
+        Can be a boolean, list, or string.
+        ``True`` translates to 'gzip,deflate'.
+        List will get joined by comma.
+        String will be used as provided.
+
+    :param user_agent:
+        String representing the user-agent you want, such as
+        "python-urllib3/0.6"
+
+    :param basic_auth:
+        Colon-separated username:password string for 'authorization: basic ...'
+        auth header.
+
+    :param proxy_basic_auth:
+        Colon-separated username:password string for 'proxy-authorization: basic ...'
+        auth header.
+
+    :param disable_cache:
+        If ``True``, adds 'cache-control: no-cache' header.
+
+    Example::
+
+        >>> make_headers(keep_alive=True, user_agent="Batman/1.0")
+        {'connection': 'keep-alive', 'user-agent': 'Batman/1.0'}
+        >>> make_headers(accept_encoding=True)
+        {'accept-encoding': 'gzip,deflate'}
+    """
+    headers = {}
+    if accept_encoding:
+        if isinstance(accept_encoding, str):
+            pass
+        elif isinstance(accept_encoding, list):
+            accept_encoding = ",".join(accept_encoding)
+        else:
+            accept_encoding = ACCEPT_ENCODING
+        headers["accept-encoding"] = accept_encoding
+
+    if user_agent:
+        headers["user-agent"] = user_agent
+
+    if keep_alive:
+        headers["connection"] = "keep-alive"
+
+    if basic_auth:
+        headers["authorization"] = "Basic " + b64encode(b(basic_auth)).decode("utf-8")
+
+    if proxy_basic_auth:
+        headers["proxy-authorization"] = "Basic " + b64encode(
+            b(proxy_basic_auth)
+        ).decode("utf-8")
+
+    if disable_cache:
+        headers["cache-control"] = "no-cache"
+
+    return headers
+
+
+def set_file_position(body, pos):
+    """
+    If a position is provided, move file to that point.
+    Otherwise, we'll attempt to record a position for future use.
+    """
+    if pos is not None:
+        rewind_body(body, pos)
+    elif getattr(body, "tell", None) is not None:
+        try:
+            pos = body.tell()
+        except (IOError, OSError):
+            # This differentiates from None, allowing us to catch
+            # a failed `tell()` later when trying to rewind the body.
+            pos = _FAILEDTELL
+
+    return pos
+
+
+def rewind_body(body, body_pos):
+    """
+    Attempt to rewind body to a certain position.
+    Primarily used for request redirects and retries.
+
+    :param body:
+        File-like object that supports seek.
+
+    :param int pos:
+        Position to seek to in file.
+    """
+    body_seek = getattr(body, "seek", None)
+    if body_seek is not None and isinstance(body_pos, integer_types):
+        try:
+            body_seek(body_pos)
+        except (IOError, OSError):
+            raise UnrewindableBodyError(
+                "An error occurred when rewinding request body for redirect/retry."
+            )
+    elif body_pos is _FAILEDTELL:
+        raise UnrewindableBodyError(
+            "Unable to record file position for rewinding "
+            "request body during a redirect/retry."
+        )
+    else:
+        raise ValueError(
+            "body_pos must be of type integer, instead it was %s." % type(body_pos)
+        )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/response.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/response.py
new file mode 100644
index 0000000000000000000000000000000000000000..5ea609ccedf18eb4ab70f8fc6990448eb6407237
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/response.py
@@ -0,0 +1,107 @@
+from __future__ import absolute_import
+
+from email.errors import MultipartInvariantViolationDefect, StartBoundaryNotFoundDefect
+
+from ..exceptions import HeaderParsingError
+from ..packages.six.moves import http_client as httplib
+
+
+def is_fp_closed(obj):
+    """
+    Checks whether a given file-like object is closed.
+
+    :param obj:
+        The file-like object to check.
+    """
+
+    try:
+        # Check `isclosed()` first, in case Python3 doesn't set `closed`.
+        # GH Issue #928
+        return obj.isclosed()
+    except AttributeError:
+        pass
+
+    try:
+        # Check via the official file-like-object way.
+        return obj.closed
+    except AttributeError:
+        pass
+
+    try:
+        # Check if the object is a container for another file-like object that
+        # gets released on exhaustion (e.g. HTTPResponse).
+        return obj.fp is None
+    except AttributeError:
+        pass
+
+    raise ValueError("Unable to determine whether fp is closed.")
+
+
+def assert_header_parsing(headers):
+    """
+    Asserts whether all headers have been successfully parsed.
+    Extracts encountered errors from the result of parsing headers.
+
+    Only works on Python 3.
+
+    :param http.client.HTTPMessage headers: Headers to verify.
+
+    :raises urllib3.exceptions.HeaderParsingError:
+        If parsing errors are found.
+    """
+
+    # This will fail silently if we pass in the wrong kind of parameter.
+    # To make debugging easier add an explicit check.
+    if not isinstance(headers, httplib.HTTPMessage):
+        raise TypeError("expected httplib.Message, got {0}.".format(type(headers)))
+
+    defects = getattr(headers, "defects", None)
+    get_payload = getattr(headers, "get_payload", None)
+
+    unparsed_data = None
+    if get_payload:
+        # get_payload is actually email.message.Message.get_payload;
+        # we're only interested in the result if it's not a multipart message
+        if not headers.is_multipart():
+            payload = get_payload()
+
+            if isinstance(payload, (bytes, str)):
+                unparsed_data = payload
+    if defects:
+        # httplib is assuming a response body is available
+        # when parsing headers even when httplib only sends
+        # header data to parse_headers() This results in
+        # defects on multipart responses in particular.
+        # See: https://github.com/urllib3/urllib3/issues/800
+
+        # So we ignore the following defects:
+        # - StartBoundaryNotFoundDefect:
+        #     The claimed start boundary was never found.
+        # - MultipartInvariantViolationDefect:
+        #     A message claimed to be a multipart but no subparts were found.
+        defects = [
+            defect
+            for defect in defects
+            if not isinstance(
+                defect, (StartBoundaryNotFoundDefect, MultipartInvariantViolationDefect)
+            )
+        ]
+
+    if defects or unparsed_data:
+        raise HeaderParsingError(defects=defects, unparsed_data=unparsed_data)
+
+
+def is_response_to_head(response):
+    """
+    Checks whether the request of a response has been a HEAD-request.
+    Handles the quirks of AppEngine.
+
+    :param http.client.HTTPResponse response:
+        Response to check if the originating request
+        used 'HEAD' as a method.
+    """
+    # FIXME: Can we do this somehow without accessing private httplib _method?
+    method = response._method
+    if isinstance(method, int):  # Platform-specific: Appengine
+        return method == 3
+    return method.upper() == "HEAD"
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/retry.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/retry.py
new file mode 100644
index 0000000000000000000000000000000000000000..4a6eb0d2d0852f3a126575a548e8f198fc151bda
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/retry.py
@@ -0,0 +1,622 @@
+from __future__ import absolute_import
+
+import email
+import logging
+import re
+import time
+import warnings
+from collections import namedtuple
+from itertools import takewhile
+
+from ..exceptions import (
+    ConnectTimeoutError,
+    InvalidHeader,
+    MaxRetryError,
+    ProtocolError,
+    ProxyError,
+    ReadTimeoutError,
+    ResponseError,
+)
+from ..packages import six
+
+log = logging.getLogger(__name__)
+
+
+# Data structure for representing the metadata of requests that result in a retry.
+RequestHistory = namedtuple(
+    "RequestHistory", ["method", "url", "error", "status", "redirect_location"]
+)
+
+
+# TODO: In v2 we can remove this sentinel and metaclass with deprecated options.
+_Default = object()
+
+
+class _RetryMeta(type):
+    @property
+    def DEFAULT_METHOD_WHITELIST(cls):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_METHOD_WHITELIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_ALLOWED_METHODS' instead",
+            DeprecationWarning,
+        )
+        return cls.DEFAULT_ALLOWED_METHODS
+
+    @DEFAULT_METHOD_WHITELIST.setter
+    def DEFAULT_METHOD_WHITELIST(cls, value):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_METHOD_WHITELIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_ALLOWED_METHODS' instead",
+            DeprecationWarning,
+        )
+        cls.DEFAULT_ALLOWED_METHODS = value
+
+    @property
+    def DEFAULT_REDIRECT_HEADERS_BLACKLIST(cls):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_REDIRECT_HEADERS_BLACKLIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_REMOVE_HEADERS_ON_REDIRECT' instead",
+            DeprecationWarning,
+        )
+        return cls.DEFAULT_REMOVE_HEADERS_ON_REDIRECT
+
+    @DEFAULT_REDIRECT_HEADERS_BLACKLIST.setter
+    def DEFAULT_REDIRECT_HEADERS_BLACKLIST(cls, value):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_REDIRECT_HEADERS_BLACKLIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_REMOVE_HEADERS_ON_REDIRECT' instead",
+            DeprecationWarning,
+        )
+        cls.DEFAULT_REMOVE_HEADERS_ON_REDIRECT = value
+
+    @property
+    def BACKOFF_MAX(cls):
+        warnings.warn(
+            "Using 'Retry.BACKOFF_MAX' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_BACKOFF_MAX' instead",
+            DeprecationWarning,
+        )
+        return cls.DEFAULT_BACKOFF_MAX
+
+    @BACKOFF_MAX.setter
+    def BACKOFF_MAX(cls, value):
+        warnings.warn(
+            "Using 'Retry.BACKOFF_MAX' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_BACKOFF_MAX' instead",
+            DeprecationWarning,
+        )
+        cls.DEFAULT_BACKOFF_MAX = value
+
+
+@six.add_metaclass(_RetryMeta)
+class Retry(object):
+    """Retry configuration.
+
+    Each retry attempt will create a new Retry object with updated values, so
+    they can be safely reused.
+
+    Retries can be defined as a default for a pool::
+
+        retries = Retry(connect=5, read=2, redirect=5)
+        http = PoolManager(retries=retries)
+        response = http.request('GET', 'http://example.com/')
+
+    Or per-request (which overrides the default for the pool)::
+
+        response = http.request('GET', 'http://example.com/', retries=Retry(10))
+
+    Retries can be disabled by passing ``False``::
+
+        response = http.request('GET', 'http://example.com/', retries=False)
+
+    Errors will be wrapped in :class:`~urllib3.exceptions.MaxRetryError` unless
+    retries are disabled, in which case the causing exception will be raised.
+
+    :param int total:
+        Total number of retries to allow. Takes precedence over other counts.
+
+        Set to ``None`` to remove this constraint and fall back on other
+        counts.
+
+        Set to ``0`` to fail on the first retry.
+
+        Set to ``False`` to disable and imply ``raise_on_redirect=False``.
+
+    :param int connect:
+        How many connection-related errors to retry on.
+
+        These are errors raised before the request is sent to the remote server,
+        which we assume has not triggered the server to process the request.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int read:
+        How many times to retry on read errors.
+
+        These errors are raised after the request was sent to the server, so the
+        request may have side-effects.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int redirect:
+        How many redirects to perform. Limit this to avoid infinite redirect
+        loops.
+
+        A redirect is a HTTP response with a status code 301, 302, 303, 307 or
+        308.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+        Set to ``False`` to disable and imply ``raise_on_redirect=False``.
+
+    :param int status:
+        How many times to retry on bad status codes.
+
+        These are retries made on responses, where status code matches
+        ``status_forcelist``.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int other:
+        How many times to retry on other errors.
+
+        Other errors are errors that are not connect, read, redirect or status errors.
+        These errors might be raised after the request was sent to the server, so the
+        request might have side-effects.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+        If ``total`` is not set, it's a good idea to set this to 0 to account
+        for unexpected edge cases and avoid infinite retry loops.
+
+    :param iterable allowed_methods:
+        Set of uppercased HTTP method verbs that we should retry on.
+
+        By default, we only retry on methods which are considered to be
+        idempotent (multiple requests with the same parameters end with the
+        same state). See :attr:`Retry.DEFAULT_ALLOWED_METHODS`.
+
+        Set to a ``False`` value to retry on any verb.
+
+        .. warning::
+
+            Previously this parameter was named ``method_whitelist``, that
+            usage is deprecated in v1.26.0 and will be removed in v2.0.
+
+    :param iterable status_forcelist:
+        A set of integer HTTP status codes that we should force a retry on.
+        A retry is initiated if the request method is in ``allowed_methods``
+        and the response status code is in ``status_forcelist``.
+
+        By default, this is disabled with ``None``.
+
+    :param float backoff_factor:
+        A backoff factor to apply between attempts after the second try
+        (most errors are resolved immediately by a second try without a
+        delay). urllib3 will sleep for::
+
+            {backoff factor} * (2 ** ({number of total retries} - 1))
+
+        seconds. If the backoff_factor is 0.1, then :func:`.sleep` will sleep
+        for [0.0s, 0.2s, 0.4s, ...] between retries. It will never be longer
+        than :attr:`Retry.DEFAULT_BACKOFF_MAX`.
+
+        By default, backoff is disabled (set to 0).
+
+    :param bool raise_on_redirect: Whether, if the number of redirects is
+        exhausted, to raise a MaxRetryError, or to return a response with a
+        response code in the 3xx range.
+
+    :param bool raise_on_status: Similar meaning to ``raise_on_redirect``:
+        whether we should raise an exception, or return a response,
+        if status falls in ``status_forcelist`` range and retries have
+        been exhausted.
+
+    :param tuple history: The history of the request encountered during
+        each call to :meth:`~Retry.increment`. The list is in the order
+        the requests occurred. Each list item is of class :class:`RequestHistory`.
+
+    :param bool respect_retry_after_header:
+        Whether to respect Retry-After header on status codes defined as
+        :attr:`Retry.RETRY_AFTER_STATUS_CODES` or not.
+
+    :param iterable remove_headers_on_redirect:
+        Sequence of headers to remove from the request when a response
+        indicating a redirect is returned before firing off the redirected
+        request.
+    """
+
+    #: Default methods to be used for ``allowed_methods``
+    DEFAULT_ALLOWED_METHODS = frozenset(
+        ["HEAD", "GET", "PUT", "DELETE", "OPTIONS", "TRACE"]
+    )
+
+    #: Default status codes to be used for ``status_forcelist``
+    RETRY_AFTER_STATUS_CODES = frozenset([413, 429, 503])
+
+    #: Default headers to be used for ``remove_headers_on_redirect``
+    DEFAULT_REMOVE_HEADERS_ON_REDIRECT = frozenset(
+        ["Cookie", "Authorization", "Proxy-Authorization"]
+    )
+
+    #: Maximum backoff time.
+    DEFAULT_BACKOFF_MAX = 120
+
+    def __init__(
+        self,
+        total=10,
+        connect=None,
+        read=None,
+        redirect=None,
+        status=None,
+        other=None,
+        allowed_methods=_Default,
+        status_forcelist=None,
+        backoff_factor=0,
+        raise_on_redirect=True,
+        raise_on_status=True,
+        history=None,
+        respect_retry_after_header=True,
+        remove_headers_on_redirect=_Default,
+        # TODO: Deprecated, remove in v2.0
+        method_whitelist=_Default,
+    ):
+
+        if method_whitelist is not _Default:
+            if allowed_methods is not _Default:
+                raise ValueError(
+                    "Using both 'allowed_methods' and "
+                    "'method_whitelist' together is not allowed. "
+                    "Instead only use 'allowed_methods'"
+                )
+            warnings.warn(
+                "Using 'method_whitelist' with Retry is deprecated and "
+                "will be removed in v2.0. Use 'allowed_methods' instead",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+            allowed_methods = method_whitelist
+        if allowed_methods is _Default:
+            allowed_methods = self.DEFAULT_ALLOWED_METHODS
+        if remove_headers_on_redirect is _Default:
+            remove_headers_on_redirect = self.DEFAULT_REMOVE_HEADERS_ON_REDIRECT
+
+        self.total = total
+        self.connect = connect
+        self.read = read
+        self.status = status
+        self.other = other
+
+        if redirect is False or total is False:
+            redirect = 0
+            raise_on_redirect = False
+
+        self.redirect = redirect
+        self.status_forcelist = status_forcelist or set()
+        self.allowed_methods = allowed_methods
+        self.backoff_factor = backoff_factor
+        self.raise_on_redirect = raise_on_redirect
+        self.raise_on_status = raise_on_status
+        self.history = history or tuple()
+        self.respect_retry_after_header = respect_retry_after_header
+        self.remove_headers_on_redirect = frozenset(
+            [h.lower() for h in remove_headers_on_redirect]
+        )
+
+    def new(self, **kw):
+        params = dict(
+            total=self.total,
+            connect=self.connect,
+            read=self.read,
+            redirect=self.redirect,
+            status=self.status,
+            other=self.other,
+            status_forcelist=self.status_forcelist,
+            backoff_factor=self.backoff_factor,
+            raise_on_redirect=self.raise_on_redirect,
+            raise_on_status=self.raise_on_status,
+            history=self.history,
+            remove_headers_on_redirect=self.remove_headers_on_redirect,
+            respect_retry_after_header=self.respect_retry_after_header,
+        )
+
+        # TODO: If already given in **kw we use what's given to us
+        # If not given we need to figure out what to pass. We decide
+        # based on whether our class has the 'method_whitelist' property
+        # and if so we pass the deprecated 'method_whitelist' otherwise
+        # we use 'allowed_methods'. Remove in v2.0
+        if "method_whitelist" not in kw and "allowed_methods" not in kw:
+            if "method_whitelist" in self.__dict__:
+                warnings.warn(
+                    "Using 'method_whitelist' with Retry is deprecated and "
+                    "will be removed in v2.0. Use 'allowed_methods' instead",
+                    DeprecationWarning,
+                )
+                params["method_whitelist"] = self.allowed_methods
+            else:
+                params["allowed_methods"] = self.allowed_methods
+
+        params.update(kw)
+        return type(self)(**params)
+
+    @classmethod
+    def from_int(cls, retries, redirect=True, default=None):
+        """Backwards-compatibility for the old retries format."""
+        if retries is None:
+            retries = default if default is not None else cls.DEFAULT
+
+        if isinstance(retries, Retry):
+            return retries
+
+        redirect = bool(redirect) and None
+        new_retries = cls(retries, redirect=redirect)
+        log.debug("Converted retries value: %r -> %r", retries, new_retries)
+        return new_retries
+
+    def get_backoff_time(self):
+        """Formula for computing the current backoff
+
+        :rtype: float
+        """
+        # We want to consider only the last consecutive errors sequence (Ignore redirects).
+        consecutive_errors_len = len(
+            list(
+                takewhile(lambda x: x.redirect_location is None, reversed(self.history))
+            )
+        )
+        if consecutive_errors_len <= 1:
+            return 0
+
+        backoff_value = self.backoff_factor * (2 ** (consecutive_errors_len - 1))
+        return min(self.DEFAULT_BACKOFF_MAX, backoff_value)
+
+    def parse_retry_after(self, retry_after):
+        # Whitespace: https://tools.ietf.org/html/rfc7230#section-3.2.4
+        if re.match(r"^\s*[0-9]+\s*$", retry_after):
+            seconds = int(retry_after)
+        else:
+            retry_date_tuple = email.utils.parsedate_tz(retry_after)
+            if retry_date_tuple is None:
+                raise InvalidHeader("Invalid Retry-After header: %s" % retry_after)
+            if retry_date_tuple[9] is None:  # Python 2
+                # Assume UTC if no timezone was specified
+                # On Python2.7, parsedate_tz returns None for a timezone offset
+                # instead of 0 if no timezone is given, where mktime_tz treats
+                # a None timezone offset as local time.
+                retry_date_tuple = retry_date_tuple[:9] + (0,) + retry_date_tuple[10:]
+
+            retry_date = email.utils.mktime_tz(retry_date_tuple)
+            seconds = retry_date - time.time()
+
+        if seconds < 0:
+            seconds = 0
+
+        return seconds
+
+    def get_retry_after(self, response):
+        """Get the value of Retry-After in seconds."""
+
+        retry_after = response.getheader("Retry-After")
+
+        if retry_after is None:
+            return None
+
+        return self.parse_retry_after(retry_after)
+
+    def sleep_for_retry(self, response=None):
+        retry_after = self.get_retry_after(response)
+        if retry_after:
+            time.sleep(retry_after)
+            return True
+
+        return False
+
+    def _sleep_backoff(self):
+        backoff = self.get_backoff_time()
+        if backoff <= 0:
+            return
+        time.sleep(backoff)
+
+    def sleep(self, response=None):
+        """Sleep between retry attempts.
+
+        This method will respect a server's ``Retry-After`` response header
+        and sleep the duration of the time requested. If that is not present, it
+        will use an exponential backoff. By default, the backoff factor is 0 and
+        this method will return immediately.
+        """
+
+        if self.respect_retry_after_header and response:
+            slept = self.sleep_for_retry(response)
+            if slept:
+                return
+
+        self._sleep_backoff()
+
+    def _is_connection_error(self, err):
+        """Errors when we're fairly sure that the server did not receive the
+        request, so it should be safe to retry.
+        """
+        if isinstance(err, ProxyError):
+            err = err.original_error
+        return isinstance(err, ConnectTimeoutError)
+
+    def _is_read_error(self, err):
+        """Errors that occur after the request has been started, so we should
+        assume that the server began processing it.
+        """
+        return isinstance(err, (ReadTimeoutError, ProtocolError))
+
+    def _is_method_retryable(self, method):
+        """Checks if a given HTTP method should be retried upon, depending if
+        it is included in the allowed_methods
+        """
+        # TODO: For now favor if the Retry implementation sets its own method_whitelist
+        # property outside of our constructor to avoid breaking custom implementations.
+        if "method_whitelist" in self.__dict__:
+            warnings.warn(
+                "Using 'method_whitelist' with Retry is deprecated and "
+                "will be removed in v2.0. Use 'allowed_methods' instead",
+                DeprecationWarning,
+            )
+            allowed_methods = self.method_whitelist
+        else:
+            allowed_methods = self.allowed_methods
+
+        if allowed_methods and method.upper() not in allowed_methods:
+            return False
+        return True
+
+    def is_retry(self, method, status_code, has_retry_after=False):
+        """Is this method/status code retryable? (Based on allowlists and control
+        variables such as the number of total retries to allow, whether to
+        respect the Retry-After header, whether this header is present, and
+        whether the returned status code is on the list of status codes to
+        be retried upon on the presence of the aforementioned header)
+        """
+        if not self._is_method_retryable(method):
+            return False
+
+        if self.status_forcelist and status_code in self.status_forcelist:
+            return True
+
+        return (
+            self.total
+            and self.respect_retry_after_header
+            and has_retry_after
+            and (status_code in self.RETRY_AFTER_STATUS_CODES)
+        )
+
+    def is_exhausted(self):
+        """Are we out of retries?"""
+        retry_counts = (
+            self.total,
+            self.connect,
+            self.read,
+            self.redirect,
+            self.status,
+            self.other,
+        )
+        retry_counts = list(filter(None, retry_counts))
+        if not retry_counts:
+            return False
+
+        return min(retry_counts) < 0
+
+    def increment(
+        self,
+        method=None,
+        url=None,
+        response=None,
+        error=None,
+        _pool=None,
+        _stacktrace=None,
+    ):
+        """Return a new Retry object with incremented retry counters.
+
+        :param response: A response object, or None, if the server did not
+            return a response.
+        :type response: :class:`~urllib3.response.HTTPResponse`
+        :param Exception error: An error encountered during the request, or
+            None if the response was received successfully.
+
+        :return: A new ``Retry`` object.
+        """
+        if self.total is False and error:
+            # Disabled, indicate to re-raise the error.
+            raise six.reraise(type(error), error, _stacktrace)
+
+        total = self.total
+        if total is not None:
+            total -= 1
+
+        connect = self.connect
+        read = self.read
+        redirect = self.redirect
+        status_count = self.status
+        other = self.other
+        cause = "unknown"
+        status = None
+        redirect_location = None
+
+        if error and self._is_connection_error(error):
+            # Connect retry?
+            if connect is False:
+                raise six.reraise(type(error), error, _stacktrace)
+            elif connect is not None:
+                connect -= 1
+
+        elif error and self._is_read_error(error):
+            # Read retry?
+            if read is False or not self._is_method_retryable(method):
+                raise six.reraise(type(error), error, _stacktrace)
+            elif read is not None:
+                read -= 1
+
+        elif error:
+            # Other retry?
+            if other is not None:
+                other -= 1
+
+        elif response and response.get_redirect_location():
+            # Redirect retry?
+            if redirect is not None:
+                redirect -= 1
+            cause = "too many redirects"
+            redirect_location = response.get_redirect_location()
+            status = response.status
+
+        else:
+            # Incrementing because of a server error like a 500 in
+            # status_forcelist and the given method is in the allowed_methods
+            cause = ResponseError.GENERIC_ERROR
+            if response and response.status:
+                if status_count is not None:
+                    status_count -= 1
+                cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status)
+                status = response.status
+
+        history = self.history + (
+            RequestHistory(method, url, error, status, redirect_location),
+        )
+
+        new_retry = self.new(
+            total=total,
+            connect=connect,
+            read=read,
+            redirect=redirect,
+            status=status_count,
+            other=other,
+            history=history,
+        )
+
+        if new_retry.is_exhausted():
+            raise MaxRetryError(_pool, url, error or ResponseError(cause))
+
+        log.debug("Incremented Retry for (url='%s'): %r", url, new_retry)
+
+        return new_retry
+
+    def __repr__(self):
+        return (
+            "{cls.__name__}(total={self.total}, connect={self.connect}, "
+            "read={self.read}, redirect={self.redirect}, status={self.status})"
+        ).format(cls=type(self), self=self)
+
+    def __getattr__(self, item):
+        if item == "method_whitelist":
+            # TODO: Remove this deprecated alias in v2.0
+            warnings.warn(
+                "Using 'method_whitelist' with Retry is deprecated and "
+                "will be removed in v2.0. Use 'allowed_methods' instead",
+                DeprecationWarning,
+            )
+            return self.allowed_methods
+        try:
+            return getattr(super(Retry, self), item)
+        except AttributeError:
+            return getattr(Retry, item)
+
+
+# For backwards compatibility (equivalent to pre-v1.9):
+Retry.DEFAULT = Retry(3)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssl_.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssl_.py
new file mode 100644
index 0000000000000000000000000000000000000000..2b45d391d4d7398e4769f45f9dd25eb55daef437
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssl_.py
@@ -0,0 +1,495 @@
+from __future__ import absolute_import
+
+import hmac
+import os
+import sys
+import warnings
+from binascii import hexlify, unhexlify
+from hashlib import md5, sha1, sha256
+
+from ..exceptions import (
+    InsecurePlatformWarning,
+    ProxySchemeUnsupported,
+    SNIMissingWarning,
+    SSLError,
+)
+from ..packages import six
+from .url import BRACELESS_IPV6_ADDRZ_RE, IPV4_RE
+
+SSLContext = None
+SSLTransport = None
+HAS_SNI = False
+IS_PYOPENSSL = False
+IS_SECURETRANSPORT = False
+ALPN_PROTOCOLS = ["http/1.1"]
+
+# Maps the length of a digest to a possible hash function producing this digest
+HASHFUNC_MAP = {32: md5, 40: sha1, 64: sha256}
+
+
+def _const_compare_digest_backport(a, b):
+    """
+    Compare two digests of equal length in constant time.
+
+    The digests must be of type str/bytes.
+    Returns True if the digests match, and False otherwise.
+    """
+    result = abs(len(a) - len(b))
+    for left, right in zip(bytearray(a), bytearray(b)):
+        result |= left ^ right
+    return result == 0
+
+
+_const_compare_digest = getattr(hmac, "compare_digest", _const_compare_digest_backport)
+
+try:  # Test for SSL features
+    import ssl
+    from ssl import CERT_REQUIRED, wrap_socket
+except ImportError:
+    pass
+
+try:
+    from ssl import HAS_SNI  # Has SNI?
+except ImportError:
+    pass
+
+try:
+    from .ssltransport import SSLTransport
+except ImportError:
+    pass
+
+
+try:  # Platform-specific: Python 3.6
+    from ssl import PROTOCOL_TLS
+
+    PROTOCOL_SSLv23 = PROTOCOL_TLS
+except ImportError:
+    try:
+        from ssl import PROTOCOL_SSLv23 as PROTOCOL_TLS
+
+        PROTOCOL_SSLv23 = PROTOCOL_TLS
+    except ImportError:
+        PROTOCOL_SSLv23 = PROTOCOL_TLS = 2
+
+try:
+    from ssl import PROTOCOL_TLS_CLIENT
+except ImportError:
+    PROTOCOL_TLS_CLIENT = PROTOCOL_TLS
+
+
+try:
+    from ssl import OP_NO_COMPRESSION, OP_NO_SSLv2, OP_NO_SSLv3
+except ImportError:
+    OP_NO_SSLv2, OP_NO_SSLv3 = 0x1000000, 0x2000000
+    OP_NO_COMPRESSION = 0x20000
+
+
+try:  # OP_NO_TICKET was added in Python 3.6
+    from ssl import OP_NO_TICKET
+except ImportError:
+    OP_NO_TICKET = 0x4000
+
+
+# A secure default.
+# Sources for more information on TLS ciphers:
+#
+# - https://wiki.mozilla.org/Security/Server_Side_TLS
+# - https://www.ssllabs.com/projects/best-practices/index.html
+# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
+#
+# The general intent is:
+# - prefer cipher suites that offer perfect forward secrecy (DHE/ECDHE),
+# - prefer ECDHE over DHE for better performance,
+# - prefer any AES-GCM and ChaCha20 over any AES-CBC for better performance and
+#   security,
+# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common,
+# - disable NULL authentication, MD5 MACs, DSS, and other
+#   insecure ciphers for security reasons.
+# - NOTE: TLS 1.3 cipher suites are managed through a different interface
+#   not exposed by CPython (yet!) and are enabled by default if they're available.
+DEFAULT_CIPHERS = ":".join(
+    [
+        "ECDHE+AESGCM",
+        "ECDHE+CHACHA20",
+        "DHE+AESGCM",
+        "DHE+CHACHA20",
+        "ECDH+AESGCM",
+        "DH+AESGCM",
+        "ECDH+AES",
+        "DH+AES",
+        "RSA+AESGCM",
+        "RSA+AES",
+        "!aNULL",
+        "!eNULL",
+        "!MD5",
+        "!DSS",
+    ]
+)
+
+try:
+    from ssl import SSLContext  # Modern SSL?
+except ImportError:
+
+    class SSLContext(object):  # Platform-specific: Python 2
+        def __init__(self, protocol_version):
+            self.protocol = protocol_version
+            # Use default values from a real SSLContext
+            self.check_hostname = False
+            self.verify_mode = ssl.CERT_NONE
+            self.ca_certs = None
+            self.options = 0
+            self.certfile = None
+            self.keyfile = None
+            self.ciphers = None
+
+        def load_cert_chain(self, certfile, keyfile):
+            self.certfile = certfile
+            self.keyfile = keyfile
+
+        def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+            self.ca_certs = cafile
+
+            if capath is not None:
+                raise SSLError("CA directories not supported in older Pythons")
+
+            if cadata is not None:
+                raise SSLError("CA data not supported in older Pythons")
+
+        def set_ciphers(self, cipher_suite):
+            self.ciphers = cipher_suite
+
+        def wrap_socket(self, socket, server_hostname=None, server_side=False):
+            warnings.warn(
+                "A true SSLContext object is not available. This prevents "
+                "urllib3 from configuring SSL appropriately and may cause "
+                "certain SSL connections to fail. You can upgrade to a newer "
+                "version of Python to solve this. For more information, see "
+                "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                "#ssl-warnings",
+                InsecurePlatformWarning,
+            )
+            kwargs = {
+                "keyfile": self.keyfile,
+                "certfile": self.certfile,
+                "ca_certs": self.ca_certs,
+                "cert_reqs": self.verify_mode,
+                "ssl_version": self.protocol,
+                "server_side": server_side,
+            }
+            return wrap_socket(socket, ciphers=self.ciphers, **kwargs)
+
+
+def assert_fingerprint(cert, fingerprint):
+    """
+    Checks if given fingerprint matches the supplied certificate.
+
+    :param cert:
+        Certificate as bytes object.
+    :param fingerprint:
+        Fingerprint as string of hexdigits, can be interspersed by colons.
+    """
+
+    fingerprint = fingerprint.replace(":", "").lower()
+    digest_length = len(fingerprint)
+    hashfunc = HASHFUNC_MAP.get(digest_length)
+    if not hashfunc:
+        raise SSLError("Fingerprint of invalid length: {0}".format(fingerprint))
+
+    # We need encode() here for py32; works on py2 and p33.
+    fingerprint_bytes = unhexlify(fingerprint.encode())
+
+    cert_digest = hashfunc(cert).digest()
+
+    if not _const_compare_digest(cert_digest, fingerprint_bytes):
+        raise SSLError(
+            'Fingerprints did not match. Expected "{0}", got "{1}".'.format(
+                fingerprint, hexlify(cert_digest)
+            )
+        )
+
+
+def resolve_cert_reqs(candidate):
+    """
+    Resolves the argument to a numeric constant, which can be passed to
+    the wrap_socket function/method from the ssl module.
+    Defaults to :data:`ssl.CERT_REQUIRED`.
+    If given a string it is assumed to be the name of the constant in the
+    :mod:`ssl` module or its abbreviation.
+    (So you can specify `REQUIRED` instead of `CERT_REQUIRED`.
+    If it's neither `None` nor a string we assume it is already the numeric
+    constant which can directly be passed to wrap_socket.
+    """
+    if candidate is None:
+        return CERT_REQUIRED
+
+    if isinstance(candidate, str):
+        res = getattr(ssl, candidate, None)
+        if res is None:
+            res = getattr(ssl, "CERT_" + candidate)
+        return res
+
+    return candidate
+
+
+def resolve_ssl_version(candidate):
+    """
+    like resolve_cert_reqs
+    """
+    if candidate is None:
+        return PROTOCOL_TLS
+
+    if isinstance(candidate, str):
+        res = getattr(ssl, candidate, None)
+        if res is None:
+            res = getattr(ssl, "PROTOCOL_" + candidate)
+        return res
+
+    return candidate
+
+
+def create_urllib3_context(
+    ssl_version=None, cert_reqs=None, options=None, ciphers=None
+):
+    """All arguments have the same meaning as ``ssl_wrap_socket``.
+
+    By default, this function does a lot of the same work that
+    ``ssl.create_default_context`` does on Python 3.4+. It:
+
+    - Disables SSLv2, SSLv3, and compression
+    - Sets a restricted set of server ciphers
+
+    If you wish to enable SSLv3, you can do::
+
+        from pip._vendor.urllib3.util import ssl_
+        context = ssl_.create_urllib3_context()
+        context.options &= ~ssl_.OP_NO_SSLv3
+
+    You can do the same to enable compression (substituting ``COMPRESSION``
+    for ``SSLv3`` in the last line above).
+
+    :param ssl_version:
+        The desired protocol version to use. This will default to
+        PROTOCOL_SSLv23 which will negotiate the highest protocol that both
+        the server and your installation of OpenSSL support.
+    :param cert_reqs:
+        Whether to require the certificate verification. This defaults to
+        ``ssl.CERT_REQUIRED``.
+    :param options:
+        Specific OpenSSL options. These default to ``ssl.OP_NO_SSLv2``,
+        ``ssl.OP_NO_SSLv3``, ``ssl.OP_NO_COMPRESSION``, and ``ssl.OP_NO_TICKET``.
+    :param ciphers:
+        Which cipher suites to allow the server to select.
+    :returns:
+        Constructed SSLContext object with specified options
+    :rtype: SSLContext
+    """
+    # PROTOCOL_TLS is deprecated in Python 3.10
+    if not ssl_version or ssl_version == PROTOCOL_TLS:
+        ssl_version = PROTOCOL_TLS_CLIENT
+
+    context = SSLContext(ssl_version)
+
+    context.set_ciphers(ciphers or DEFAULT_CIPHERS)
+
+    # Setting the default here, as we may have no ssl module on import
+    cert_reqs = ssl.CERT_REQUIRED if cert_reqs is None else cert_reqs
+
+    if options is None:
+        options = 0
+        # SSLv2 is easily broken and is considered harmful and dangerous
+        options |= OP_NO_SSLv2
+        # SSLv3 has several problems and is now dangerous
+        options |= OP_NO_SSLv3
+        # Disable compression to prevent CRIME attacks for OpenSSL 1.0+
+        # (issue #309)
+        options |= OP_NO_COMPRESSION
+        # TLSv1.2 only. Unless set explicitly, do not request tickets.
+        # This may save some bandwidth on wire, and although the ticket is encrypted,
+        # there is a risk associated with it being on wire,
+        # if the server is not rotating its ticketing keys properly.
+        options |= OP_NO_TICKET
+
+    context.options |= options
+
+    # Enable post-handshake authentication for TLS 1.3, see GH #1634. PHA is
+    # necessary for conditional client cert authentication with TLS 1.3.
+    # The attribute is None for OpenSSL <= 1.1.0 or does not exist in older
+    # versions of Python.  We only enable on Python 3.7.4+ or if certificate
+    # verification is enabled to work around Python issue #37428
+    # See: https://bugs.python.org/issue37428
+    if (cert_reqs == ssl.CERT_REQUIRED or sys.version_info >= (3, 7, 4)) and getattr(
+        context, "post_handshake_auth", None
+    ) is not None:
+        context.post_handshake_auth = True
+
+    def disable_check_hostname():
+        if (
+            getattr(context, "check_hostname", None) is not None
+        ):  # Platform-specific: Python 3.2
+            # We do our own verification, including fingerprints and alternative
+            # hostnames. So disable it here
+            context.check_hostname = False
+
+    # The order of the below lines setting verify_mode and check_hostname
+    # matter due to safe-guards SSLContext has to prevent an SSLContext with
+    # check_hostname=True, verify_mode=NONE/OPTIONAL. This is made even more
+    # complex because we don't know whether PROTOCOL_TLS_CLIENT will be used
+    # or not so we don't know the initial state of the freshly created SSLContext.
+    if cert_reqs == ssl.CERT_REQUIRED:
+        context.verify_mode = cert_reqs
+        disable_check_hostname()
+    else:
+        disable_check_hostname()
+        context.verify_mode = cert_reqs
+
+    # Enable logging of TLS session keys via defacto standard environment variable
+    # 'SSLKEYLOGFILE', if the feature is available (Python 3.8+). Skip empty values.
+    if hasattr(context, "keylog_filename"):
+        sslkeylogfile = os.environ.get("SSLKEYLOGFILE")
+        if sslkeylogfile:
+            context.keylog_filename = sslkeylogfile
+
+    return context
+
+
+def ssl_wrap_socket(
+    sock,
+    keyfile=None,
+    certfile=None,
+    cert_reqs=None,
+    ca_certs=None,
+    server_hostname=None,
+    ssl_version=None,
+    ciphers=None,
+    ssl_context=None,
+    ca_cert_dir=None,
+    key_password=None,
+    ca_cert_data=None,
+    tls_in_tls=False,
+):
+    """
+    All arguments except for server_hostname, ssl_context, and ca_cert_dir have
+    the same meaning as they do when using :func:`ssl.wrap_socket`.
+
+    :param server_hostname:
+        When SNI is supported, the expected hostname of the certificate
+    :param ssl_context:
+        A pre-made :class:`SSLContext` object. If none is provided, one will
+        be created using :func:`create_urllib3_context`.
+    :param ciphers:
+        A string of ciphers we wish the client to support.
+    :param ca_cert_dir:
+        A directory containing CA certificates in multiple separate files, as
+        supported by OpenSSL's -CApath flag or the capath argument to
+        SSLContext.load_verify_locations().
+    :param key_password:
+        Optional password if the keyfile is encrypted.
+    :param ca_cert_data:
+        Optional string containing CA certificates in PEM format suitable for
+        passing as the cadata parameter to SSLContext.load_verify_locations()
+    :param tls_in_tls:
+        Use SSLTransport to wrap the existing socket.
+    """
+    context = ssl_context
+    if context is None:
+        # Note: This branch of code and all the variables in it are no longer
+        # used by urllib3 itself. We should consider deprecating and removing
+        # this code.
+        context = create_urllib3_context(ssl_version, cert_reqs, ciphers=ciphers)
+
+    if ca_certs or ca_cert_dir or ca_cert_data:
+        try:
+            context.load_verify_locations(ca_certs, ca_cert_dir, ca_cert_data)
+        except (IOError, OSError) as e:
+            raise SSLError(e)
+
+    elif ssl_context is None and hasattr(context, "load_default_certs"):
+        # try to load OS default certs; works well on Windows (require Python3.4+)
+        context.load_default_certs()
+
+    # Attempt to detect if we get the goofy behavior of the
+    # keyfile being encrypted and OpenSSL asking for the
+    # passphrase via the terminal and instead error out.
+    if keyfile and key_password is None and _is_key_file_encrypted(keyfile):
+        raise SSLError("Client private key is encrypted, password is required")
+
+    if certfile:
+        if key_password is None:
+            context.load_cert_chain(certfile, keyfile)
+        else:
+            context.load_cert_chain(certfile, keyfile, key_password)
+
+    try:
+        if hasattr(context, "set_alpn_protocols"):
+            context.set_alpn_protocols(ALPN_PROTOCOLS)
+    except NotImplementedError:  # Defensive: in CI, we always have set_alpn_protocols
+        pass
+
+    # If we detect server_hostname is an IP address then the SNI
+    # extension should not be used according to RFC3546 Section 3.1
+    use_sni_hostname = server_hostname and not is_ipaddress(server_hostname)
+    # SecureTransport uses server_hostname in certificate verification.
+    send_sni = (use_sni_hostname and HAS_SNI) or (
+        IS_SECURETRANSPORT and server_hostname
+    )
+    # Do not warn the user if server_hostname is an invalid SNI hostname.
+    if not HAS_SNI and use_sni_hostname:
+        warnings.warn(
+            "An HTTPS request has been made, but the SNI (Server Name "
+            "Indication) extension to TLS is not available on this platform. "
+            "This may cause the server to present an incorrect TLS "
+            "certificate, which can cause validation failures. You can upgrade to "
+            "a newer version of Python to solve this. For more information, see "
+            "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+            "#ssl-warnings",
+            SNIMissingWarning,
+        )
+
+    if send_sni:
+        ssl_sock = _ssl_wrap_socket_impl(
+            sock, context, tls_in_tls, server_hostname=server_hostname
+        )
+    else:
+        ssl_sock = _ssl_wrap_socket_impl(sock, context, tls_in_tls)
+    return ssl_sock
+
+
+def is_ipaddress(hostname):
+    """Detects whether the hostname given is an IPv4 or IPv6 address.
+    Also detects IPv6 addresses with Zone IDs.
+
+    :param str hostname: Hostname to examine.
+    :return: True if the hostname is an IP address, False otherwise.
+    """
+    if not six.PY2 and isinstance(hostname, bytes):
+        # IDN A-label bytes are ASCII compatible.
+        hostname = hostname.decode("ascii")
+    return bool(IPV4_RE.match(hostname) or BRACELESS_IPV6_ADDRZ_RE.match(hostname))
+
+
+def _is_key_file_encrypted(key_file):
+    """Detects if a key file is encrypted or not."""
+    with open(key_file, "r") as f:
+        for line in f:
+            # Look for Proc-Type: 4,ENCRYPTED
+            if "ENCRYPTED" in line:
+                return True
+
+    return False
+
+
+def _ssl_wrap_socket_impl(sock, ssl_context, tls_in_tls, server_hostname=None):
+    if tls_in_tls:
+        if not SSLTransport:
+            # Import error, ssl is not available.
+            raise ProxySchemeUnsupported(
+                "TLS in TLS requires support for the 'ssl' module"
+            )
+
+        SSLTransport._validate_ssl_context_for_tls_in_tls(ssl_context)
+        return SSLTransport(sock, ssl_context, server_hostname)
+
+    if server_hostname:
+        return ssl_context.wrap_socket(sock, server_hostname=server_hostname)
+    else:
+        return ssl_context.wrap_socket(sock)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssl_match_hostname.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssl_match_hostname.py
new file mode 100644
index 0000000000000000000000000000000000000000..a4b4a569cb12489713d808c2d8051b5d86bac7fc
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssl_match_hostname.py
@@ -0,0 +1,161 @@
+"""The match_hostname() function from Python 3.3.3, essential when using SSL."""
+
+# Note: This file is under the PSF license as the code comes from the python
+# stdlib.   http://docs.python.org/3/license.html
+
+import re
+import sys
+
+# ipaddress has been backported to 2.6+ in pypi.  If it is installed on the
+# system, use it to handle IPAddress ServerAltnames (this was added in
+# python-3.5) otherwise only do DNS matching.  This allows
+# util.ssl_match_hostname to continue to be used in Python 2.7.
+try:
+    import ipaddress
+except ImportError:
+    ipaddress = None
+
+__version__ = "3.5.0.1"
+
+
+class CertificateError(ValueError):
+    pass
+
+
+def _dnsname_match(dn, hostname, max_wildcards=1):
+    """Matching according to RFC 6125, section 6.4.3
+
+    http://tools.ietf.org/html/rfc6125#section-6.4.3
+    """
+    pats = []
+    if not dn:
+        return False
+
+    # Ported from python3-syntax:
+    # leftmost, *remainder = dn.split(r'.')
+    parts = dn.split(r".")
+    leftmost = parts[0]
+    remainder = parts[1:]
+
+    wildcards = leftmost.count("*")
+    if wildcards > max_wildcards:
+        # Issue #17980: avoid denials of service by refusing more
+        # than one wildcard per fragment.  A survey of established
+        # policy among SSL implementations showed it to be a
+        # reasonable choice.
+        raise CertificateError(
+            "too many wildcards in certificate DNS name: " + repr(dn)
+        )
+
+    # speed up common case w/o wildcards
+    if not wildcards:
+        return dn.lower() == hostname.lower()
+
+    # RFC 6125, section 6.4.3, subitem 1.
+    # The client SHOULD NOT attempt to match a presented identifier in which
+    # the wildcard character comprises a label other than the left-most label.
+    if leftmost == "*":
+        # When '*' is a fragment by itself, it matches a non-empty dotless
+        # fragment.
+        pats.append("[^.]+")
+    elif leftmost.startswith("xn--") or hostname.startswith("xn--"):
+        # RFC 6125, section 6.4.3, subitem 3.
+        # The client SHOULD NOT attempt to match a presented identifier
+        # where the wildcard character is embedded within an A-label or
+        # U-label of an internationalized domain name.
+        pats.append(re.escape(leftmost))
+    else:
+        # Otherwise, '*' matches any dotless string, e.g. www*
+        pats.append(re.escape(leftmost).replace(r"\*", "[^.]*"))
+
+    # add the remaining fragments, ignore any wildcards
+    for frag in remainder:
+        pats.append(re.escape(frag))
+
+    pat = re.compile(r"\A" + r"\.".join(pats) + r"\Z", re.IGNORECASE)
+    return pat.match(hostname)
+
+
+def _to_unicode(obj):
+    if isinstance(obj, str) and sys.version_info < (3,):
+        # ignored flake8 # F821 to support python 2.7 function
+        obj = unicode(obj, encoding="ascii", errors="strict")  # noqa: F821
+    return obj
+
+
+def _ipaddress_match(ipname, host_ip):
+    """Exact matching of IP addresses.
+
+    RFC 6125 explicitly doesn't define an algorithm for this
+    (section 1.7.2 - "Out of Scope").
+    """
+    # OpenSSL may add a trailing newline to a subjectAltName's IP address
+    # Divergence from upstream: ipaddress can't handle byte str
+    ip = ipaddress.ip_address(_to_unicode(ipname).rstrip())
+    return ip == host_ip
+
+
+def match_hostname(cert, hostname):
+    """Verify that *cert* (in decoded format as returned by
+    SSLSocket.getpeercert()) matches the *hostname*.  RFC 2818 and RFC 6125
+    rules are followed, but IP addresses are not accepted for *hostname*.
+
+    CertificateError is raised on failure. On success, the function
+    returns nothing.
+    """
+    if not cert:
+        raise ValueError(
+            "empty or no certificate, match_hostname needs a "
+            "SSL socket or SSL context with either "
+            "CERT_OPTIONAL or CERT_REQUIRED"
+        )
+    try:
+        # Divergence from upstream: ipaddress can't handle byte str
+        host_ip = ipaddress.ip_address(_to_unicode(hostname))
+    except ValueError:
+        # Not an IP address (common case)
+        host_ip = None
+    except UnicodeError:
+        # Divergence from upstream: Have to deal with ipaddress not taking
+        # byte strings.  addresses should be all ascii, so we consider it not
+        # an ipaddress in this case
+        host_ip = None
+    except AttributeError:
+        # Divergence from upstream: Make ipaddress library optional
+        if ipaddress is None:
+            host_ip = None
+        else:
+            raise
+    dnsnames = []
+    san = cert.get("subjectAltName", ())
+    for key, value in san:
+        if key == "DNS":
+            if host_ip is None and _dnsname_match(value, hostname):
+                return
+            dnsnames.append(value)
+        elif key == "IP Address":
+            if host_ip is not None and _ipaddress_match(value, host_ip):
+                return
+            dnsnames.append(value)
+    if not dnsnames:
+        # The subject is only checked when there is no dNSName entry
+        # in subjectAltName
+        for sub in cert.get("subject", ()):
+            for key, value in sub:
+                # XXX according to RFC 2818, the most specific Common Name
+                # must be used.
+                if key == "commonName":
+                    if _dnsname_match(value, hostname):
+                        return
+                    dnsnames.append(value)
+    if len(dnsnames) > 1:
+        raise CertificateError(
+            "hostname %r "
+            "doesn't match either of %s" % (hostname, ", ".join(map(repr, dnsnames)))
+        )
+    elif len(dnsnames) == 1:
+        raise CertificateError("hostname %r doesn't match %r" % (hostname, dnsnames[0]))
+    else:
+        raise CertificateError(
+            "no appropriate commonName or subjectAltName fields were found"
+        )
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssltransport.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssltransport.py
new file mode 100644
index 0000000000000000000000000000000000000000..4a7105d17916a7237f3df6e59d65ca82375f8803
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/ssltransport.py
@@ -0,0 +1,221 @@
+import io
+import socket
+import ssl
+
+from ..exceptions import ProxySchemeUnsupported
+from ..packages import six
+
+SSL_BLOCKSIZE = 16384
+
+
+class SSLTransport:
+    """
+    The SSLTransport wraps an existing socket and establishes an SSL connection.
+
+    Contrary to Python's implementation of SSLSocket, it allows you to chain
+    multiple TLS connections together. It's particularly useful if you need to
+    implement TLS within TLS.
+
+    The class supports most of the socket API operations.
+    """
+
+    @staticmethod
+    def _validate_ssl_context_for_tls_in_tls(ssl_context):
+        """
+        Raises a ProxySchemeUnsupported if the provided ssl_context can't be used
+        for TLS in TLS.
+
+        The only requirement is that the ssl_context provides the 'wrap_bio'
+        methods.
+        """
+
+        if not hasattr(ssl_context, "wrap_bio"):
+            if six.PY2:
+                raise ProxySchemeUnsupported(
+                    "TLS in TLS requires SSLContext.wrap_bio() which isn't "
+                    "supported on Python 2"
+                )
+            else:
+                raise ProxySchemeUnsupported(
+                    "TLS in TLS requires SSLContext.wrap_bio() which isn't "
+                    "available on non-native SSLContext"
+                )
+
+    def __init__(
+        self, socket, ssl_context, server_hostname=None, suppress_ragged_eofs=True
+    ):
+        """
+        Create an SSLTransport around socket using the provided ssl_context.
+        """
+        self.incoming = ssl.MemoryBIO()
+        self.outgoing = ssl.MemoryBIO()
+
+        self.suppress_ragged_eofs = suppress_ragged_eofs
+        self.socket = socket
+
+        self.sslobj = ssl_context.wrap_bio(
+            self.incoming, self.outgoing, server_hostname=server_hostname
+        )
+
+        # Perform initial handshake.
+        self._ssl_io_loop(self.sslobj.do_handshake)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *_):
+        self.close()
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    def read(self, len=1024, buffer=None):
+        return self._wrap_ssl_read(len, buffer)
+
+    def recv(self, len=1024, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to recv")
+        return self._wrap_ssl_read(len)
+
+    def recv_into(self, buffer, nbytes=None, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to recv_into")
+        if buffer and (nbytes is None):
+            nbytes = len(buffer)
+        elif nbytes is None:
+            nbytes = 1024
+        return self.read(nbytes, buffer)
+
+    def sendall(self, data, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to sendall")
+        count = 0
+        with memoryview(data) as view, view.cast("B") as byte_view:
+            amount = len(byte_view)
+            while count < amount:
+                v = self.send(byte_view[count:])
+                count += v
+
+    def send(self, data, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to send")
+        response = self._ssl_io_loop(self.sslobj.write, data)
+        return response
+
+    def makefile(
+        self, mode="r", buffering=None, encoding=None, errors=None, newline=None
+    ):
+        """
+        Python's httpclient uses makefile and buffered io when reading HTTP
+        messages and we need to support it.
+
+        This is unfortunately a copy and paste of socket.py makefile with small
+        changes to point to the socket directly.
+        """
+        if not set(mode) <= {"r", "w", "b"}:
+            raise ValueError("invalid mode %r (only r, w, b allowed)" % (mode,))
+
+        writing = "w" in mode
+        reading = "r" in mode or not writing
+        assert reading or writing
+        binary = "b" in mode
+        rawmode = ""
+        if reading:
+            rawmode += "r"
+        if writing:
+            rawmode += "w"
+        raw = socket.SocketIO(self, rawmode)
+        self.socket._io_refs += 1
+        if buffering is None:
+            buffering = -1
+        if buffering < 0:
+            buffering = io.DEFAULT_BUFFER_SIZE
+        if buffering == 0:
+            if not binary:
+                raise ValueError("unbuffered streams must be binary")
+            return raw
+        if reading and writing:
+            buffer = io.BufferedRWPair(raw, raw, buffering)
+        elif reading:
+            buffer = io.BufferedReader(raw, buffering)
+        else:
+            assert writing
+            buffer = io.BufferedWriter(raw, buffering)
+        if binary:
+            return buffer
+        text = io.TextIOWrapper(buffer, encoding, errors, newline)
+        text.mode = mode
+        return text
+
+    def unwrap(self):
+        self._ssl_io_loop(self.sslobj.unwrap)
+
+    def close(self):
+        self.socket.close()
+
+    def getpeercert(self, binary_form=False):
+        return self.sslobj.getpeercert(binary_form)
+
+    def version(self):
+        return self.sslobj.version()
+
+    def cipher(self):
+        return self.sslobj.cipher()
+
+    def selected_alpn_protocol(self):
+        return self.sslobj.selected_alpn_protocol()
+
+    def selected_npn_protocol(self):
+        return self.sslobj.selected_npn_protocol()
+
+    def shared_ciphers(self):
+        return self.sslobj.shared_ciphers()
+
+    def compression(self):
+        return self.sslobj.compression()
+
+    def settimeout(self, value):
+        self.socket.settimeout(value)
+
+    def gettimeout(self):
+        return self.socket.gettimeout()
+
+    def _decref_socketios(self):
+        self.socket._decref_socketios()
+
+    def _wrap_ssl_read(self, len, buffer=None):
+        try:
+            return self._ssl_io_loop(self.sslobj.read, len, buffer)
+        except ssl.SSLError as e:
+            if e.errno == ssl.SSL_ERROR_EOF and self.suppress_ragged_eofs:
+                return 0  # eof, return 0.
+            else:
+                raise
+
+    def _ssl_io_loop(self, func, *args):
+        """Performs an I/O loop between incoming/outgoing and the socket."""
+        should_loop = True
+        ret = None
+
+        while should_loop:
+            errno = None
+            try:
+                ret = func(*args)
+            except ssl.SSLError as e:
+                if e.errno not in (ssl.SSL_ERROR_WANT_READ, ssl.SSL_ERROR_WANT_WRITE):
+                    # WANT_READ, and WANT_WRITE are expected, others are not.
+                    raise e
+                errno = e.errno
+
+            buf = self.outgoing.read()
+            self.socket.sendall(buf)
+
+            if errno is None:
+                should_loop = False
+            elif errno == ssl.SSL_ERROR_WANT_READ:
+                buf = self.socket.recv(SSL_BLOCKSIZE)
+                if buf:
+                    self.incoming.write(buf)
+                else:
+                    self.incoming.write_eof()
+        return ret
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/timeout.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/timeout.py
new file mode 100644
index 0000000000000000000000000000000000000000..ff69593b05b5eb5fcd336b4bd16193c44dc48ef5
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/timeout.py
@@ -0,0 +1,268 @@
+from __future__ import absolute_import
+
+import time
+
+# The default socket timeout, used by httplib to indicate that no timeout was
+# specified by the user
+from socket import _GLOBAL_DEFAULT_TIMEOUT
+
+from ..exceptions import TimeoutStateError
+
+# A sentinel value to indicate that no timeout was specified by the user in
+# urllib3
+_Default = object()
+
+
+# Use time.monotonic if available.
+current_time = getattr(time, "monotonic", time.time)
+
+
+class Timeout(object):
+    """Timeout configuration.
+
+    Timeouts can be defined as a default for a pool:
+
+    .. code-block:: python
+
+       timeout = Timeout(connect=2.0, read=7.0)
+       http = PoolManager(timeout=timeout)
+       response = http.request('GET', 'http://example.com/')
+
+    Or per-request (which overrides the default for the pool):
+
+    .. code-block:: python
+
+       response = http.request('GET', 'http://example.com/', timeout=Timeout(10))
+
+    Timeouts can be disabled by setting all the parameters to ``None``:
+
+    .. code-block:: python
+
+       no_timeout = Timeout(connect=None, read=None)
+       response = http.request('GET', 'http://example.com/, timeout=no_timeout)
+
+
+    :param total:
+        This combines the connect and read timeouts into one; the read timeout
+        will be set to the time leftover from the connect attempt. In the
+        event that both a connect timeout and a total are specified, or a read
+        timeout and a total are specified, the shorter timeout will be applied.
+
+        Defaults to None.
+
+    :type total: int, float, or None
+
+    :param connect:
+        The maximum amount of time (in seconds) to wait for a connection
+        attempt to a server to succeed. Omitting the parameter will default the
+        connect timeout to the system default, probably `the global default
+        timeout in socket.py
+        <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_.
+        None will set an infinite timeout for connection attempts.
+
+    :type connect: int, float, or None
+
+    :param read:
+        The maximum amount of time (in seconds) to wait between consecutive
+        read operations for a response from the server. Omitting the parameter
+        will default the read timeout to the system default, probably `the
+        global default timeout in socket.py
+        <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_.
+        None will set an infinite timeout.
+
+    :type read: int, float, or None
+
+    .. note::
+
+        Many factors can affect the total amount of time for urllib3 to return
+        an HTTP response.
+
+        For example, Python's DNS resolver does not obey the timeout specified
+        on the socket. Other factors that can affect total request time include
+        high CPU load, high swap, the program running at a low priority level,
+        or other behaviors.
+
+        In addition, the read and total timeouts only measure the time between
+        read operations on the socket connecting the client and the server,
+        not the total amount of time for the request to return a complete
+        response. For most requests, the timeout is raised because the server
+        has not sent the first byte in the specified time. This is not always
+        the case; if a server streams one byte every fifteen seconds, a timeout
+        of 20 seconds will not trigger, even though the request will take
+        several minutes to complete.
+
+        If your goal is to cut off any request after a set amount of wall clock
+        time, consider having a second "watcher" thread to cut off a slow
+        request.
+    """
+
+    #: A sentinel object representing the default timeout value
+    DEFAULT_TIMEOUT = _GLOBAL_DEFAULT_TIMEOUT
+
+    def __init__(self, total=None, connect=_Default, read=_Default):
+        self._connect = self._validate_timeout(connect, "connect")
+        self._read = self._validate_timeout(read, "read")
+        self.total = self._validate_timeout(total, "total")
+        self._start_connect = None
+
+    def __repr__(self):
+        return "%s(connect=%r, read=%r, total=%r)" % (
+            type(self).__name__,
+            self._connect,
+            self._read,
+            self.total,
+        )
+
+    # __str__ provided for backwards compatibility
+    __str__ = __repr__
+
+    @classmethod
+    def _validate_timeout(cls, value, name):
+        """Check that a timeout attribute is valid.
+
+        :param value: The timeout value to validate
+        :param name: The name of the timeout attribute to validate. This is
+            used to specify in error messages.
+        :return: The validated and casted version of the given value.
+        :raises ValueError: If it is a numeric value less than or equal to
+            zero, or the type is not an integer, float, or None.
+        """
+        if value is _Default:
+            return cls.DEFAULT_TIMEOUT
+
+        if value is None or value is cls.DEFAULT_TIMEOUT:
+            return value
+
+        if isinstance(value, bool):
+            raise ValueError(
+                "Timeout cannot be a boolean value. It must "
+                "be an int, float or None."
+            )
+        try:
+            float(value)
+        except (TypeError, ValueError):
+            raise ValueError(
+                "Timeout value %s was %s, but it must be an "
+                "int, float or None." % (name, value)
+            )
+
+        try:
+            if value <= 0:
+                raise ValueError(
+                    "Attempted to set %s timeout to %s, but the "
+                    "timeout cannot be set to a value less "
+                    "than or equal to 0." % (name, value)
+                )
+        except TypeError:
+            # Python 3
+            raise ValueError(
+                "Timeout value %s was %s, but it must be an "
+                "int, float or None." % (name, value)
+            )
+
+        return value
+
+    @classmethod
+    def from_float(cls, timeout):
+        """Create a new Timeout from a legacy timeout value.
+
+        The timeout value used by httplib.py sets the same timeout on the
+        connect(), and recv() socket requests. This creates a :class:`Timeout`
+        object that sets the individual timeouts to the ``timeout`` value
+        passed to this function.
+
+        :param timeout: The legacy timeout value.
+        :type timeout: integer, float, sentinel default object, or None
+        :return: Timeout object
+        :rtype: :class:`Timeout`
+        """
+        return Timeout(read=timeout, connect=timeout)
+
+    def clone(self):
+        """Create a copy of the timeout object
+
+        Timeout properties are stored per-pool but each request needs a fresh
+        Timeout object to ensure each one has its own start/stop configured.
+
+        :return: a copy of the timeout object
+        :rtype: :class:`Timeout`
+        """
+        # We can't use copy.deepcopy because that will also create a new object
+        # for _GLOBAL_DEFAULT_TIMEOUT, which socket.py uses as a sentinel to
+        # detect the user default.
+        return Timeout(connect=self._connect, read=self._read, total=self.total)
+
+    def start_connect(self):
+        """Start the timeout clock, used during a connect() attempt
+
+        :raises urllib3.exceptions.TimeoutStateError: if you attempt
+            to start a timer that has been started already.
+        """
+        if self._start_connect is not None:
+            raise TimeoutStateError("Timeout timer has already been started.")
+        self._start_connect = current_time()
+        return self._start_connect
+
+    def get_connect_duration(self):
+        """Gets the time elapsed since the call to :meth:`start_connect`.
+
+        :return: Elapsed time in seconds.
+        :rtype: float
+        :raises urllib3.exceptions.TimeoutStateError: if you attempt
+            to get duration for a timer that hasn't been started.
+        """
+        if self._start_connect is None:
+            raise TimeoutStateError(
+                "Can't get connect duration for timer that has not started."
+            )
+        return current_time() - self._start_connect
+
+    @property
+    def connect_timeout(self):
+        """Get the value to use when setting a connection timeout.
+
+        This will be a positive float or integer, the value None
+        (never timeout), or the default system timeout.
+
+        :return: Connect timeout.
+        :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None
+        """
+        if self.total is None:
+            return self._connect
+
+        if self._connect is None or self._connect is self.DEFAULT_TIMEOUT:
+            return self.total
+
+        return min(self._connect, self.total)
+
+    @property
+    def read_timeout(self):
+        """Get the value for the read timeout.
+
+        This assumes some time has elapsed in the connection timeout and
+        computes the read timeout appropriately.
+
+        If self.total is set, the read timeout is dependent on the amount of
+        time taken by the connect timeout. If the connection time has not been
+        established, a :exc:`~urllib3.exceptions.TimeoutStateError` will be
+        raised.
+
+        :return: Value to use for the read timeout.
+        :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None
+        :raises urllib3.exceptions.TimeoutStateError: If :meth:`start_connect`
+            has not yet been called on this object.
+        """
+        if (
+            self.total is not None
+            and self.total is not self.DEFAULT_TIMEOUT
+            and self._read is not None
+            and self._read is not self.DEFAULT_TIMEOUT
+        ):
+            # In case the connect timeout has not yet been established.
+            if self._start_connect is None:
+                return self._read
+            return max(0, min(self.total - self.get_connect_duration(), self._read))
+        elif self.total is not None and self.total is not self.DEFAULT_TIMEOUT:
+            return max(0, self.total - self.get_connect_duration())
+        else:
+            return self._read
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/url.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/url.py
new file mode 100644
index 0000000000000000000000000000000000000000..3651c43182a0b32f676983e781129b7f660d112b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/url.py
@@ -0,0 +1,432 @@
+from __future__ import absolute_import
+
+import re
+from collections import namedtuple
+
+from ..exceptions import LocationParseError
+from ..packages import six
+
+url_attrs = ["scheme", "auth", "host", "port", "path", "query", "fragment"]
+
+# We only want to normalize urls with an HTTP(S) scheme.
+# urllib3 infers URLs without a scheme (None) to be http.
+NORMALIZABLE_SCHEMES = ("http", "https", None)
+
+# Almost all of these patterns were derived from the
+# 'rfc3986' module: https://github.com/python-hyper/rfc3986
+PERCENT_RE = re.compile(r"%[a-fA-F0-9]{2}")
+SCHEME_RE = re.compile(r"^(?:[a-zA-Z][a-zA-Z0-9+-]*:|/)")
+URI_RE = re.compile(
+    r"^(?:([a-zA-Z][a-zA-Z0-9+.-]*):)?"
+    r"(?://([^\\/?#]*))?"
+    r"([^?#]*)"
+    r"(?:\?([^#]*))?"
+    r"(?:#(.*))?$",
+    re.UNICODE | re.DOTALL,
+)
+
+IPV4_PAT = r"(?:[0-9]{1,3}\.){3}[0-9]{1,3}"
+HEX_PAT = "[0-9A-Fa-f]{1,4}"
+LS32_PAT = "(?:{hex}:{hex}|{ipv4})".format(hex=HEX_PAT, ipv4=IPV4_PAT)
+_subs = {"hex": HEX_PAT, "ls32": LS32_PAT}
+_variations = [
+    #                            6( h16 ":" ) ls32
+    "(?:%(hex)s:){6}%(ls32)s",
+    #                       "::" 5( h16 ":" ) ls32
+    "::(?:%(hex)s:){5}%(ls32)s",
+    # [               h16 ] "::" 4( h16 ":" ) ls32
+    "(?:%(hex)s)?::(?:%(hex)s:){4}%(ls32)s",
+    # [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
+    "(?:(?:%(hex)s:)?%(hex)s)?::(?:%(hex)s:){3}%(ls32)s",
+    # [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
+    "(?:(?:%(hex)s:){0,2}%(hex)s)?::(?:%(hex)s:){2}%(ls32)s",
+    # [ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
+    "(?:(?:%(hex)s:){0,3}%(hex)s)?::%(hex)s:%(ls32)s",
+    # [ *4( h16 ":" ) h16 ] "::"              ls32
+    "(?:(?:%(hex)s:){0,4}%(hex)s)?::%(ls32)s",
+    # [ *5( h16 ":" ) h16 ] "::"              h16
+    "(?:(?:%(hex)s:){0,5}%(hex)s)?::%(hex)s",
+    # [ *6( h16 ":" ) h16 ] "::"
+    "(?:(?:%(hex)s:){0,6}%(hex)s)?::",
+]
+
+UNRESERVED_PAT = r"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._!\-~"
+IPV6_PAT = "(?:" + "|".join([x % _subs for x in _variations]) + ")"
+ZONE_ID_PAT = "(?:%25|%)(?:[" + UNRESERVED_PAT + "]|%[a-fA-F0-9]{2})+"
+IPV6_ADDRZ_PAT = r"\[" + IPV6_PAT + r"(?:" + ZONE_ID_PAT + r")?\]"
+REG_NAME_PAT = r"(?:[^\[\]%:/?#]|%[a-fA-F0-9]{2})*"
+TARGET_RE = re.compile(r"^(/[^?#]*)(?:\?([^#]*))?(?:#.*)?$")
+
+IPV4_RE = re.compile("^" + IPV4_PAT + "$")
+IPV6_RE = re.compile("^" + IPV6_PAT + "$")
+IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT + "$")
+BRACELESS_IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT[2:-2] + "$")
+ZONE_ID_RE = re.compile("(" + ZONE_ID_PAT + r")\]$")
+
+_HOST_PORT_PAT = ("^(%s|%s|%s)(?::([0-9]{0,5}))?$") % (
+    REG_NAME_PAT,
+    IPV4_PAT,
+    IPV6_ADDRZ_PAT,
+)
+_HOST_PORT_RE = re.compile(_HOST_PORT_PAT, re.UNICODE | re.DOTALL)
+
+UNRESERVED_CHARS = set(
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-~"
+)
+SUB_DELIM_CHARS = set("!$&'()*+,;=")
+USERINFO_CHARS = UNRESERVED_CHARS | SUB_DELIM_CHARS | {":"}
+PATH_CHARS = USERINFO_CHARS | {"@", "/"}
+QUERY_CHARS = FRAGMENT_CHARS = PATH_CHARS | {"?"}
+
+
+class Url(namedtuple("Url", url_attrs)):
+    """
+    Data structure for representing an HTTP URL. Used as a return value for
+    :func:`parse_url`. Both the scheme and host are normalized as they are
+    both case-insensitive according to RFC 3986.
+    """
+
+    __slots__ = ()
+
+    def __new__(
+        cls,
+        scheme=None,
+        auth=None,
+        host=None,
+        port=None,
+        path=None,
+        query=None,
+        fragment=None,
+    ):
+        if path and not path.startswith("/"):
+            path = "/" + path
+        if scheme is not None:
+            scheme = scheme.lower()
+        return super(Url, cls).__new__(
+            cls, scheme, auth, host, port, path, query, fragment
+        )
+
+    @property
+    def hostname(self):
+        """For backwards-compatibility with urlparse. We're nice like that."""
+        return self.host
+
+    @property
+    def request_uri(self):
+        """Absolute path including the query string."""
+        uri = self.path or "/"
+
+        if self.query is not None:
+            uri += "?" + self.query
+
+        return uri
+
+    @property
+    def netloc(self):
+        """Network location including host and port"""
+        if self.port:
+            return "%s:%d" % (self.host, self.port)
+        return self.host
+
+    @property
+    def url(self):
+        """
+        Convert self into a url
+
+        This function should more or less round-trip with :func:`.parse_url`. The
+        returned url may not be exactly the same as the url inputted to
+        :func:`.parse_url`, but it should be equivalent by the RFC (e.g., urls
+        with a blank port will have : removed).
+
+        Example: ::
+
+            >>> U = parse_url('http://google.com/mail/')
+            >>> U.url
+            'http://google.com/mail/'
+            >>> Url('http', 'username:password', 'host.com', 80,
+            ... '/path', 'query', 'fragment').url
+            'http://username:password@host.com:80/path?query#fragment'
+        """
+        scheme, auth, host, port, path, query, fragment = self
+        url = u""
+
+        # We use "is not None" we want things to happen with empty strings (or 0 port)
+        if scheme is not None:
+            url += scheme + u"://"
+        if auth is not None:
+            url += auth + u"@"
+        if host is not None:
+            url += host
+        if port is not None:
+            url += u":" + str(port)
+        if path is not None:
+            url += path
+        if query is not None:
+            url += u"?" + query
+        if fragment is not None:
+            url += u"#" + fragment
+
+        return url
+
+    def __str__(self):
+        return self.url
+
+
+def split_first(s, delims):
+    """
+    .. deprecated:: 1.25
+
+    Given a string and an iterable of delimiters, split on the first found
+    delimiter. Return two split parts and the matched delimiter.
+
+    If not found, then the first part is the full input string.
+
+    Example::
+
+        >>> split_first('foo/bar?baz', '?/=')
+        ('foo', 'bar?baz', '/')
+        >>> split_first('foo/bar?baz', '123')
+        ('foo/bar?baz', '', None)
+
+    Scales linearly with number of delims. Not ideal for large number of delims.
+    """
+    min_idx = None
+    min_delim = None
+    for d in delims:
+        idx = s.find(d)
+        if idx < 0:
+            continue
+
+        if min_idx is None or idx < min_idx:
+            min_idx = idx
+            min_delim = d
+
+    if min_idx is None or min_idx < 0:
+        return s, "", None
+
+    return s[:min_idx], s[min_idx + 1 :], min_delim
+
+
+def _encode_invalid_chars(component, allowed_chars, encoding="utf-8"):
+    """Percent-encodes a URI component without reapplying
+    onto an already percent-encoded component.
+    """
+    if component is None:
+        return component
+
+    component = six.ensure_text(component)
+
+    # Normalize existing percent-encoded bytes.
+    # Try to see if the component we're encoding is already percent-encoded
+    # so we can skip all '%' characters but still encode all others.
+    component, percent_encodings = PERCENT_RE.subn(
+        lambda match: match.group(0).upper(), component
+    )
+
+    uri_bytes = component.encode("utf-8", "surrogatepass")
+    is_percent_encoded = percent_encodings == uri_bytes.count(b"%")
+    encoded_component = bytearray()
+
+    for i in range(0, len(uri_bytes)):
+        # Will return a single character bytestring on both Python 2 & 3
+        byte = uri_bytes[i : i + 1]
+        byte_ord = ord(byte)
+        if (is_percent_encoded and byte == b"%") or (
+            byte_ord < 128 and byte.decode() in allowed_chars
+        ):
+            encoded_component += byte
+            continue
+        encoded_component.extend(b"%" + (hex(byte_ord)[2:].encode().zfill(2).upper()))
+
+    return encoded_component.decode(encoding)
+
+
+def _remove_path_dot_segments(path):
+    # See http://tools.ietf.org/html/rfc3986#section-5.2.4 for pseudo-code
+    segments = path.split("/")  # Turn the path into a list of segments
+    output = []  # Initialize the variable to use to store output
+
+    for segment in segments:
+        # '.' is the current directory, so ignore it, it is superfluous
+        if segment == ".":
+            continue
+        # Anything other than '..', should be appended to the output
+        elif segment != "..":
+            output.append(segment)
+        # In this case segment == '..', if we can, we should pop the last
+        # element
+        elif output:
+            output.pop()
+
+    # If the path starts with '/' and the output is empty or the first string
+    # is non-empty
+    if path.startswith("/") and (not output or output[0]):
+        output.insert(0, "")
+
+    # If the path starts with '/.' or '/..' ensure we add one more empty
+    # string to add a trailing '/'
+    if path.endswith(("/.", "/..")):
+        output.append("")
+
+    return "/".join(output)
+
+
+def _normalize_host(host, scheme):
+    if host:
+        if isinstance(host, six.binary_type):
+            host = six.ensure_str(host)
+
+        if scheme in NORMALIZABLE_SCHEMES:
+            is_ipv6 = IPV6_ADDRZ_RE.match(host)
+            if is_ipv6:
+                match = ZONE_ID_RE.search(host)
+                if match:
+                    start, end = match.span(1)
+                    zone_id = host[start:end]
+
+                    if zone_id.startswith("%25") and zone_id != "%25":
+                        zone_id = zone_id[3:]
+                    else:
+                        zone_id = zone_id[1:]
+                    zone_id = "%" + _encode_invalid_chars(zone_id, UNRESERVED_CHARS)
+                    return host[:start].lower() + zone_id + host[end:]
+                else:
+                    return host.lower()
+            elif not IPV4_RE.match(host):
+                return six.ensure_str(
+                    b".".join([_idna_encode(label) for label in host.split(".")])
+                )
+    return host
+
+
+def _idna_encode(name):
+    if name and any([ord(x) > 128 for x in name]):
+        try:
+            from pip._vendor import idna
+        except ImportError:
+            six.raise_from(
+                LocationParseError("Unable to parse URL without the 'idna' module"),
+                None,
+            )
+        try:
+            return idna.encode(name.lower(), strict=True, std3_rules=True)
+        except idna.IDNAError:
+            six.raise_from(
+                LocationParseError(u"Name '%s' is not a valid IDNA label" % name), None
+            )
+    return name.lower().encode("ascii")
+
+
+def _encode_target(target):
+    """Percent-encodes a request target so that there are no invalid characters"""
+    path, query = TARGET_RE.match(target).groups()
+    target = _encode_invalid_chars(path, PATH_CHARS)
+    query = _encode_invalid_chars(query, QUERY_CHARS)
+    if query is not None:
+        target += "?" + query
+    return target
+
+
+def parse_url(url):
+    """
+    Given a url, return a parsed :class:`.Url` namedtuple. Best-effort is
+    performed to parse incomplete urls. Fields not provided will be None.
+    This parser is RFC 3986 compliant.
+
+    The parser logic and helper functions are based heavily on
+    work done in the ``rfc3986`` module.
+
+    :param str url: URL to parse into a :class:`.Url` namedtuple.
+
+    Partly backwards-compatible with :mod:`urlparse`.
+
+    Example::
+
+        >>> parse_url('http://google.com/mail/')
+        Url(scheme='http', host='google.com', port=None, path='/mail/', ...)
+        >>> parse_url('google.com:80')
+        Url(scheme=None, host='google.com', port=80, path=None, ...)
+        >>> parse_url('/foo?bar')
+        Url(scheme=None, host=None, port=None, path='/foo', query='bar', ...)
+    """
+    if not url:
+        # Empty
+        return Url()
+
+    source_url = url
+    if not SCHEME_RE.search(url):
+        url = "//" + url
+
+    try:
+        scheme, authority, path, query, fragment = URI_RE.match(url).groups()
+        normalize_uri = scheme is None or scheme.lower() in NORMALIZABLE_SCHEMES
+
+        if scheme:
+            scheme = scheme.lower()
+
+        if authority:
+            auth, _, host_port = authority.rpartition("@")
+            auth = auth or None
+            host, port = _HOST_PORT_RE.match(host_port).groups()
+            if auth and normalize_uri:
+                auth = _encode_invalid_chars(auth, USERINFO_CHARS)
+            if port == "":
+                port = None
+        else:
+            auth, host, port = None, None, None
+
+        if port is not None:
+            port = int(port)
+            if not (0 <= port <= 65535):
+                raise LocationParseError(url)
+
+        host = _normalize_host(host, scheme)
+
+        if normalize_uri and path:
+            path = _remove_path_dot_segments(path)
+            path = _encode_invalid_chars(path, PATH_CHARS)
+        if normalize_uri and query:
+            query = _encode_invalid_chars(query, QUERY_CHARS)
+        if normalize_uri and fragment:
+            fragment = _encode_invalid_chars(fragment, FRAGMENT_CHARS)
+
+    except (ValueError, AttributeError):
+        return six.raise_from(LocationParseError(source_url), None)
+
+    # For the sake of backwards compatibility we put empty
+    # string values for path if there are any defined values
+    # beyond the path in the URL.
+    # TODO: Remove this when we break backwards compatibility.
+    if not path:
+        if query is not None or fragment is not None:
+            path = ""
+        else:
+            path = None
+
+    # Ensure that each part of the URL is a `str` for
+    # backwards compatibility.
+    if isinstance(url, six.text_type):
+        ensure_func = six.ensure_text
+    else:
+        ensure_func = six.ensure_str
+
+    def ensure_type(x):
+        return x if x is None else ensure_func(x)
+
+    return Url(
+        scheme=ensure_type(scheme),
+        auth=ensure_type(auth),
+        host=ensure_type(host),
+        port=port,
+        path=ensure_type(path),
+        query=ensure_type(query),
+        fragment=ensure_type(fragment),
+    )
+
+
+def get_host(url):
+    """
+    Deprecated. Use :func:`parse_url` instead.
+    """
+    p = parse_url(url)
+    return p.scheme or "http", p.hostname, p.port
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/wait.py b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/wait.py
new file mode 100644
index 0000000000000000000000000000000000000000..c280646c7be0b1887878254408c6f6c5158651ca
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/urllib3/util/wait.py
@@ -0,0 +1,153 @@
+import errno
+import select
+import sys
+from functools import partial
+
+try:
+    from time import monotonic
+except ImportError:
+    from time import time as monotonic
+
+__all__ = ["NoWayToWaitForSocketError", "wait_for_read", "wait_for_write"]
+
+
+class NoWayToWaitForSocketError(Exception):
+    pass
+
+
+# How should we wait on sockets?
+#
+# There are two types of APIs you can use for waiting on sockets: the fancy
+# modern stateful APIs like epoll/kqueue, and the older stateless APIs like
+# select/poll. The stateful APIs are more efficient when you have a lots of
+# sockets to keep track of, because you can set them up once and then use them
+# lots of times. But we only ever want to wait on a single socket at a time
+# and don't want to keep track of state, so the stateless APIs are actually
+# more efficient. So we want to use select() or poll().
+#
+# Now, how do we choose between select() and poll()? On traditional Unixes,
+# select() has a strange calling convention that makes it slow, or fail
+# altogether, for high-numbered file descriptors. The point of poll() is to fix
+# that, so on Unixes, we prefer poll().
+#
+# On Windows, there is no poll() (or at least Python doesn't provide a wrapper
+# for it), but that's OK, because on Windows, select() doesn't have this
+# strange calling convention; plain select() works fine.
+#
+# So: on Windows we use select(), and everywhere else we use poll(). We also
+# fall back to select() in case poll() is somehow broken or missing.
+
+if sys.version_info >= (3, 5):
+    # Modern Python, that retries syscalls by default
+    def _retry_on_intr(fn, timeout):
+        return fn(timeout)
+
+
+else:
+    # Old and broken Pythons.
+    def _retry_on_intr(fn, timeout):
+        if timeout is None:
+            deadline = float("inf")
+        else:
+            deadline = monotonic() + timeout
+
+        while True:
+            try:
+                return fn(timeout)
+            # OSError for 3 <= pyver < 3.5, select.error for pyver <= 2.7
+            except (OSError, select.error) as e:
+                # 'e.args[0]' incantation works for both OSError and select.error
+                if e.args[0] != errno.EINTR:
+                    raise
+                else:
+                    timeout = deadline - monotonic()
+                    if timeout < 0:
+                        timeout = 0
+                    if timeout == float("inf"):
+                        timeout = None
+                    continue
+
+
+def select_wait_for_socket(sock, read=False, write=False, timeout=None):
+    if not read and not write:
+        raise RuntimeError("must specify at least one of read=True, write=True")
+    rcheck = []
+    wcheck = []
+    if read:
+        rcheck.append(sock)
+    if write:
+        wcheck.append(sock)
+    # When doing a non-blocking connect, most systems signal success by
+    # marking the socket writable. Windows, though, signals success by marked
+    # it as "exceptional". We paper over the difference by checking the write
+    # sockets for both conditions. (The stdlib selectors module does the same
+    # thing.)
+    fn = partial(select.select, rcheck, wcheck, wcheck)
+    rready, wready, xready = _retry_on_intr(fn, timeout)
+    return bool(rready or wready or xready)
+
+
+def poll_wait_for_socket(sock, read=False, write=False, timeout=None):
+    if not read and not write:
+        raise RuntimeError("must specify at least one of read=True, write=True")
+    mask = 0
+    if read:
+        mask |= select.POLLIN
+    if write:
+        mask |= select.POLLOUT
+    poll_obj = select.poll()
+    poll_obj.register(sock, mask)
+
+    # For some reason, poll() takes timeout in milliseconds
+    def do_poll(t):
+        if t is not None:
+            t *= 1000
+        return poll_obj.poll(t)
+
+    return bool(_retry_on_intr(do_poll, timeout))
+
+
+def null_wait_for_socket(*args, **kwargs):
+    raise NoWayToWaitForSocketError("no select-equivalent available")
+
+
+def _have_working_poll():
+    # Apparently some systems have a select.poll that fails as soon as you try
+    # to use it, either due to strange configuration or broken monkeypatching
+    # from libraries like eventlet/greenlet.
+    try:
+        poll_obj = select.poll()
+        _retry_on_intr(poll_obj.poll, 0)
+    except (AttributeError, OSError):
+        return False
+    else:
+        return True
+
+
+def wait_for_socket(*args, **kwargs):
+    # We delay choosing which implementation to use until the first time we're
+    # called. We could do it at import time, but then we might make the wrong
+    # decision if someone goes wild with monkeypatching select.poll after
+    # we're imported.
+    global wait_for_socket
+    if _have_working_poll():
+        wait_for_socket = poll_wait_for_socket
+    elif hasattr(select, "select"):
+        wait_for_socket = select_wait_for_socket
+    else:  # Platform-specific: Appengine.
+        wait_for_socket = null_wait_for_socket
+    return wait_for_socket(*args, **kwargs)
+
+
+def wait_for_read(sock, timeout=None):
+    """Waits for reading to be available on a given socket.
+    Returns True if the socket is readable, or False if the timeout expired.
+    """
+    return wait_for_socket(sock, read=True, timeout=timeout)
+
+
+def wait_for_write(sock, timeout=None):
+    """Waits for writing to be available on a given socket.
+    Returns True if the socket is readable, or False if the timeout expired.
+    """
+    return wait_for_socket(sock, write=True, timeout=timeout)
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/__init__.py b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..d21d697c887bed1f8ab7f36d10185e986d9f1e54
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/__init__.py
@@ -0,0 +1,342 @@
+# coding: utf-8
+"""
+
+    webencodings
+    ~~~~~~~~~~~~
+
+    This is a Python implementation of the `WHATWG Encoding standard
+    <http://encoding.spec.whatwg.org/>`. See README for details.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+from __future__ import unicode_literals
+
+import codecs
+
+from .labels import LABELS
+
+
+VERSION = '0.5.1'
+
+
+# Some names in Encoding are not valid Python aliases. Remap these.
+PYTHON_NAMES = {
+    'iso-8859-8-i': 'iso-8859-8',
+    'x-mac-cyrillic': 'mac-cyrillic',
+    'macintosh': 'mac-roman',
+    'windows-874': 'cp874'}
+
+CACHE = {}
+
+
+def ascii_lower(string):
+    r"""Transform (only) ASCII letters to lower case: A-Z is mapped to a-z.
+
+    :param string: An Unicode string.
+    :returns: A new Unicode string.
+
+    This is used for `ASCII case-insensitive
+    <http://encoding.spec.whatwg.org/#ascii-case-insensitive>`_
+    matching of encoding labels.
+    The same matching is also used, among other things,
+    for `CSS keywords <http://dev.w3.org/csswg/css-values/#keywords>`_.
+
+    This is different from the :meth:`~py:str.lower` method of Unicode strings
+    which also affect non-ASCII characters,
+    sometimes mapping them into the ASCII range:
+
+        >>> keyword = u'Bac\N{KELVIN SIGN}ground'
+        >>> assert keyword.lower() == u'background'
+        >>> assert ascii_lower(keyword) != keyword.lower()
+        >>> assert ascii_lower(keyword) == u'bac\N{KELVIN SIGN}ground'
+
+    """
+    # This turns out to be faster than unicode.translate()
+    return string.encode('utf8').lower().decode('utf8')
+
+
+def lookup(label):
+    """
+    Look for an encoding by its label.
+    This is the spec’s `get an encoding
+    <http://encoding.spec.whatwg.org/#concept-encoding-get>`_ algorithm.
+    Supported labels are listed there.
+
+    :param label: A string.
+    :returns:
+        An :class:`Encoding` object, or :obj:`None` for an unknown label.
+
+    """
+    # Only strip ASCII whitespace: U+0009, U+000A, U+000C, U+000D, and U+0020.
+    label = ascii_lower(label.strip('\t\n\f\r '))
+    name = LABELS.get(label)
+    if name is None:
+        return None
+    encoding = CACHE.get(name)
+    if encoding is None:
+        if name == 'x-user-defined':
+            from .x_user_defined import codec_info
+        else:
+            python_name = PYTHON_NAMES.get(name, name)
+            # Any python_name value that gets to here should be valid.
+            codec_info = codecs.lookup(python_name)
+        encoding = Encoding(name, codec_info)
+        CACHE[name] = encoding
+    return encoding
+
+
+def _get_encoding(encoding_or_label):
+    """
+    Accept either an encoding object or label.
+
+    :param encoding: An :class:`Encoding` object or a label string.
+    :returns: An :class:`Encoding` object.
+    :raises: :exc:`~exceptions.LookupError` for an unknown label.
+
+    """
+    if hasattr(encoding_or_label, 'codec_info'):
+        return encoding_or_label
+
+    encoding = lookup(encoding_or_label)
+    if encoding is None:
+        raise LookupError('Unknown encoding label: %r' % encoding_or_label)
+    return encoding
+
+
+class Encoding(object):
+    """Reresents a character encoding such as UTF-8,
+    that can be used for decoding or encoding.
+
+    .. attribute:: name
+
+        Canonical name of the encoding
+
+    .. attribute:: codec_info
+
+        The actual implementation of the encoding,
+        a stdlib :class:`~codecs.CodecInfo` object.
+        See :func:`codecs.register`.
+
+    """
+    def __init__(self, name, codec_info):
+        self.name = name
+        self.codec_info = codec_info
+
+    def __repr__(self):
+        return '<Encoding %s>' % self.name
+
+
+#: The UTF-8 encoding. Should be used for new content and formats.
+UTF8 = lookup('utf-8')
+
+_UTF16LE = lookup('utf-16le')
+_UTF16BE = lookup('utf-16be')
+
+
+def decode(input, fallback_encoding, errors='replace'):
+    """
+    Decode a single string.
+
+    :param input: A byte string
+    :param fallback_encoding:
+        An :class:`Encoding` object or a label string.
+        The encoding to use if :obj:`input` does note have a BOM.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :return:
+        A ``(output, encoding)`` tuple of an Unicode string
+        and an :obj:`Encoding`.
+
+    """
+    # Fail early if `encoding` is an invalid label.
+    fallback_encoding = _get_encoding(fallback_encoding)
+    bom_encoding, input = _detect_bom(input)
+    encoding = bom_encoding or fallback_encoding
+    return encoding.codec_info.decode(input, errors)[0], encoding
+
+
+def _detect_bom(input):
+    """Return (bom_encoding, input), with any BOM removed from the input."""
+    if input.startswith(b'\xFF\xFE'):
+        return _UTF16LE, input[2:]
+    if input.startswith(b'\xFE\xFF'):
+        return _UTF16BE, input[2:]
+    if input.startswith(b'\xEF\xBB\xBF'):
+        return UTF8, input[3:]
+    return None, input
+
+
+def encode(input, encoding=UTF8, errors='strict'):
+    """
+    Encode a single string.
+
+    :param input: An Unicode string.
+    :param encoding: An :class:`Encoding` object or a label string.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :return: A byte string.
+
+    """
+    return _get_encoding(encoding).codec_info.encode(input, errors)[0]
+
+
+def iter_decode(input, fallback_encoding, errors='replace'):
+    """
+    "Pull"-based decoder.
+
+    :param input:
+        An iterable of byte strings.
+
+        The input is first consumed just enough to determine the encoding
+        based on the precense of a BOM,
+        then consumed on demand when the return value is.
+    :param fallback_encoding:
+        An :class:`Encoding` object or a label string.
+        The encoding to use if :obj:`input` does note have a BOM.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :returns:
+        An ``(output, encoding)`` tuple.
+        :obj:`output` is an iterable of Unicode strings,
+        :obj:`encoding` is the :obj:`Encoding` that is being used.
+
+    """
+
+    decoder = IncrementalDecoder(fallback_encoding, errors)
+    generator = _iter_decode_generator(input, decoder)
+    encoding = next(generator)
+    return generator, encoding
+
+
+def _iter_decode_generator(input, decoder):
+    """Return a generator that first yields the :obj:`Encoding`,
+    then yields output chukns as Unicode strings.
+
+    """
+    decode = decoder.decode
+    input = iter(input)
+    for chunck in input:
+        output = decode(chunck)
+        if output:
+            assert decoder.encoding is not None
+            yield decoder.encoding
+            yield output
+            break
+    else:
+        # Input exhausted without determining the encoding
+        output = decode(b'', final=True)
+        assert decoder.encoding is not None
+        yield decoder.encoding
+        if output:
+            yield output
+        return
+
+    for chunck in input:
+        output = decode(chunck)
+        if output:
+            yield output
+    output = decode(b'', final=True)
+    if output:
+        yield output
+
+
+def iter_encode(input, encoding=UTF8, errors='strict'):
+    """
+    “Pull”-based encoder.
+
+    :param input: An iterable of Unicode strings.
+    :param encoding: An :class:`Encoding` object or a label string.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :returns: An iterable of byte strings.
+
+    """
+    # Fail early if `encoding` is an invalid label.
+    encode = IncrementalEncoder(encoding, errors).encode
+    return _iter_encode_generator(input, encode)
+
+
+def _iter_encode_generator(input, encode):
+    for chunck in input:
+        output = encode(chunck)
+        if output:
+            yield output
+    output = encode('', final=True)
+    if output:
+        yield output
+
+
+class IncrementalDecoder(object):
+    """
+    “Push”-based decoder.
+
+    :param fallback_encoding:
+        An :class:`Encoding` object or a label string.
+        The encoding to use if :obj:`input` does note have a BOM.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+
+    """
+    def __init__(self, fallback_encoding, errors='replace'):
+        # Fail early if `encoding` is an invalid label.
+        self._fallback_encoding = _get_encoding(fallback_encoding)
+        self._errors = errors
+        self._buffer = b''
+        self._decoder = None
+        #: The actual :class:`Encoding` that is being used,
+        #: or :obj:`None` if that is not determined yet.
+        #: (Ie. if there is not enough input yet to determine
+        #: if there is a BOM.)
+        self.encoding = None  # Not known yet.
+
+    def decode(self, input, final=False):
+        """Decode one chunk of the input.
+
+        :param input: A byte string.
+        :param final:
+            Indicate that no more input is available.
+            Must be :obj:`True` if this is the last call.
+        :returns: An Unicode string.
+
+        """
+        decoder = self._decoder
+        if decoder is not None:
+            return decoder(input, final)
+
+        input = self._buffer + input
+        encoding, input = _detect_bom(input)
+        if encoding is None:
+            if len(input) < 3 and not final:  # Not enough data yet.
+                self._buffer = input
+                return ''
+            else:  # No BOM
+                encoding = self._fallback_encoding
+        decoder = encoding.codec_info.incrementaldecoder(self._errors).decode
+        self._decoder = decoder
+        self.encoding = encoding
+        return decoder(input, final)
+
+
+class IncrementalEncoder(object):
+    """
+    “Push”-based encoder.
+
+    :param encoding: An :class:`Encoding` object or a label string.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+
+    .. method:: encode(input, final=False)
+
+        :param input: An Unicode string.
+        :param final:
+            Indicate that no more input is available.
+            Must be :obj:`True` if this is the last call.
+        :returns: A byte string.
+
+    """
+    def __init__(self, encoding=UTF8, errors='strict'):
+        encoding = _get_encoding(encoding)
+        self.encode = encoding.codec_info.incrementalencoder(errors).encode
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diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/labels.py b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/labels.py
new file mode 100644
index 0000000000000000000000000000000000000000..29cbf91ef79b89971e51db9ddfc3720d8b4db82a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/labels.py
@@ -0,0 +1,231 @@
+"""
+
+    webencodings.labels
+    ~~~~~~~~~~~~~~~~~~~
+
+    Map encoding labels to their name.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+# XXX Do not edit!
+# This file is automatically generated by mklabels.py
+
+LABELS = {
+    'unicode-1-1-utf-8':   'utf-8',
+    'utf-8':               'utf-8',
+    'utf8':                'utf-8',
+    '866':                 'ibm866',
+    'cp866':               'ibm866',
+    'csibm866':            'ibm866',
+    'ibm866':              'ibm866',
+    'csisolatin2':         'iso-8859-2',
+    'iso-8859-2':          'iso-8859-2',
+    'iso-ir-101':          'iso-8859-2',
+    'iso8859-2':           'iso-8859-2',
+    'iso88592':            'iso-8859-2',
+    'iso_8859-2':          'iso-8859-2',
+    'iso_8859-2:1987':     'iso-8859-2',
+    'l2':                  'iso-8859-2',
+    'latin2':              'iso-8859-2',
+    'csisolatin3':         'iso-8859-3',
+    'iso-8859-3':          'iso-8859-3',
+    'iso-ir-109':          'iso-8859-3',
+    'iso8859-3':           'iso-8859-3',
+    'iso88593':            'iso-8859-3',
+    'iso_8859-3':          'iso-8859-3',
+    'iso_8859-3:1988':     'iso-8859-3',
+    'l3':                  'iso-8859-3',
+    'latin3':              'iso-8859-3',
+    'csisolatin4':         'iso-8859-4',
+    'iso-8859-4':          'iso-8859-4',
+    'iso-ir-110':          'iso-8859-4',
+    'iso8859-4':           'iso-8859-4',
+    'iso88594':            'iso-8859-4',
+    'iso_8859-4':          'iso-8859-4',
+    'iso_8859-4:1988':     'iso-8859-4',
+    'l4':                  'iso-8859-4',
+    'latin4':              'iso-8859-4',
+    'csisolatincyrillic':  'iso-8859-5',
+    'cyrillic':            'iso-8859-5',
+    'iso-8859-5':          'iso-8859-5',
+    'iso-ir-144':          'iso-8859-5',
+    'iso8859-5':           'iso-8859-5',
+    'iso88595':            'iso-8859-5',
+    'iso_8859-5':          'iso-8859-5',
+    'iso_8859-5:1988':     'iso-8859-5',
+    'arabic':              'iso-8859-6',
+    'asmo-708':            'iso-8859-6',
+    'csiso88596e':         'iso-8859-6',
+    'csiso88596i':         'iso-8859-6',
+    'csisolatinarabic':    'iso-8859-6',
+    'ecma-114':            'iso-8859-6',
+    'iso-8859-6':          'iso-8859-6',
+    'iso-8859-6-e':        'iso-8859-6',
+    'iso-8859-6-i':        'iso-8859-6',
+    'iso-ir-127':          'iso-8859-6',
+    'iso8859-6':           'iso-8859-6',
+    'iso88596':            'iso-8859-6',
+    'iso_8859-6':          'iso-8859-6',
+    'iso_8859-6:1987':     'iso-8859-6',
+    'csisolatingreek':     'iso-8859-7',
+    'ecma-118':            'iso-8859-7',
+    'elot_928':            'iso-8859-7',
+    'greek':               'iso-8859-7',
+    'greek8':              'iso-8859-7',
+    'iso-8859-7':          'iso-8859-7',
+    'iso-ir-126':          'iso-8859-7',
+    'iso8859-7':           'iso-8859-7',
+    'iso88597':            'iso-8859-7',
+    'iso_8859-7':          'iso-8859-7',
+    'iso_8859-7:1987':     'iso-8859-7',
+    'sun_eu_greek':        'iso-8859-7',
+    'csiso88598e':         'iso-8859-8',
+    'csisolatinhebrew':    'iso-8859-8',
+    'hebrew':              'iso-8859-8',
+    'iso-8859-8':          'iso-8859-8',
+    'iso-8859-8-e':        'iso-8859-8',
+    'iso-ir-138':          'iso-8859-8',
+    'iso8859-8':           'iso-8859-8',
+    'iso88598':            'iso-8859-8',
+    'iso_8859-8':          'iso-8859-8',
+    'iso_8859-8:1988':     'iso-8859-8',
+    'visual':              'iso-8859-8',
+    'csiso88598i':         'iso-8859-8-i',
+    'iso-8859-8-i':        'iso-8859-8-i',
+    'logical':             'iso-8859-8-i',
+    'csisolatin6':         'iso-8859-10',
+    'iso-8859-10':         'iso-8859-10',
+    'iso-ir-157':          'iso-8859-10',
+    'iso8859-10':          'iso-8859-10',
+    'iso885910':           'iso-8859-10',
+    'l6':                  'iso-8859-10',
+    'latin6':              'iso-8859-10',
+    'iso-8859-13':         'iso-8859-13',
+    'iso8859-13':          'iso-8859-13',
+    'iso885913':           'iso-8859-13',
+    'iso-8859-14':         'iso-8859-14',
+    'iso8859-14':          'iso-8859-14',
+    'iso885914':           'iso-8859-14',
+    'csisolatin9':         'iso-8859-15',
+    'iso-8859-15':         'iso-8859-15',
+    'iso8859-15':          'iso-8859-15',
+    'iso885915':           'iso-8859-15',
+    'iso_8859-15':         'iso-8859-15',
+    'l9':                  'iso-8859-15',
+    'iso-8859-16':         'iso-8859-16',
+    'cskoi8r':             'koi8-r',
+    'koi':                 'koi8-r',
+    'koi8':                'koi8-r',
+    'koi8-r':              'koi8-r',
+    'koi8_r':              'koi8-r',
+    'koi8-u':              'koi8-u',
+    'csmacintosh':         'macintosh',
+    'mac':                 'macintosh',
+    'macintosh':           'macintosh',
+    'x-mac-roman':         'macintosh',
+    'dos-874':             'windows-874',
+    'iso-8859-11':         'windows-874',
+    'iso8859-11':          'windows-874',
+    'iso885911':           'windows-874',
+    'tis-620':             'windows-874',
+    'windows-874':         'windows-874',
+    'cp1250':              'windows-1250',
+    'windows-1250':        'windows-1250',
+    'x-cp1250':            'windows-1250',
+    'cp1251':              'windows-1251',
+    'windows-1251':        'windows-1251',
+    'x-cp1251':            'windows-1251',
+    'ansi_x3.4-1968':      'windows-1252',
+    'ascii':               'windows-1252',
+    'cp1252':              'windows-1252',
+    'cp819':               'windows-1252',
+    'csisolatin1':         'windows-1252',
+    'ibm819':              'windows-1252',
+    'iso-8859-1':          'windows-1252',
+    'iso-ir-100':          'windows-1252',
+    'iso8859-1':           'windows-1252',
+    'iso88591':            'windows-1252',
+    'iso_8859-1':          'windows-1252',
+    'iso_8859-1:1987':     'windows-1252',
+    'l1':                  'windows-1252',
+    'latin1':              'windows-1252',
+    'us-ascii':            'windows-1252',
+    'windows-1252':        'windows-1252',
+    'x-cp1252':            'windows-1252',
+    'cp1253':              'windows-1253',
+    'windows-1253':        'windows-1253',
+    'x-cp1253':            'windows-1253',
+    'cp1254':              'windows-1254',
+    'csisolatin5':         'windows-1254',
+    'iso-8859-9':          'windows-1254',
+    'iso-ir-148':          'windows-1254',
+    'iso8859-9':           'windows-1254',
+    'iso88599':            'windows-1254',
+    'iso_8859-9':          'windows-1254',
+    'iso_8859-9:1989':     'windows-1254',
+    'l5':                  'windows-1254',
+    'latin5':              'windows-1254',
+    'windows-1254':        'windows-1254',
+    'x-cp1254':            'windows-1254',
+    'cp1255':              'windows-1255',
+    'windows-1255':        'windows-1255',
+    'x-cp1255':            'windows-1255',
+    'cp1256':              'windows-1256',
+    'windows-1256':        'windows-1256',
+    'x-cp1256':            'windows-1256',
+    'cp1257':              'windows-1257',
+    'windows-1257':        'windows-1257',
+    'x-cp1257':            'windows-1257',
+    'cp1258':              'windows-1258',
+    'windows-1258':        'windows-1258',
+    'x-cp1258':            'windows-1258',
+    'x-mac-cyrillic':      'x-mac-cyrillic',
+    'x-mac-ukrainian':     'x-mac-cyrillic',
+    'chinese':             'gbk',
+    'csgb2312':            'gbk',
+    'csiso58gb231280':     'gbk',
+    'gb2312':              'gbk',
+    'gb_2312':             'gbk',
+    'gb_2312-80':          'gbk',
+    'gbk':                 'gbk',
+    'iso-ir-58':           'gbk',
+    'x-gbk':               'gbk',
+    'gb18030':             'gb18030',
+    'hz-gb-2312':          'hz-gb-2312',
+    'big5':                'big5',
+    'big5-hkscs':          'big5',
+    'cn-big5':             'big5',
+    'csbig5':              'big5',
+    'x-x-big5':            'big5',
+    'cseucpkdfmtjapanese': 'euc-jp',
+    'euc-jp':              'euc-jp',
+    'x-euc-jp':            'euc-jp',
+    'csiso2022jp':         'iso-2022-jp',
+    'iso-2022-jp':         'iso-2022-jp',
+    'csshiftjis':          'shift_jis',
+    'ms_kanji':            'shift_jis',
+    'shift-jis':           'shift_jis',
+    'shift_jis':           'shift_jis',
+    'sjis':                'shift_jis',
+    'windows-31j':         'shift_jis',
+    'x-sjis':              'shift_jis',
+    'cseuckr':             'euc-kr',
+    'csksc56011987':       'euc-kr',
+    'euc-kr':              'euc-kr',
+    'iso-ir-149':          'euc-kr',
+    'korean':              'euc-kr',
+    'ks_c_5601-1987':      'euc-kr',
+    'ks_c_5601-1989':      'euc-kr',
+    'ksc5601':             'euc-kr',
+    'ksc_5601':            'euc-kr',
+    'windows-949':         'euc-kr',
+    'csiso2022kr':         'iso-2022-kr',
+    'iso-2022-kr':         'iso-2022-kr',
+    'utf-16be':            'utf-16be',
+    'utf-16':              'utf-16le',
+    'utf-16le':            'utf-16le',
+    'x-user-defined':      'x-user-defined',
+}
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/mklabels.py b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/mklabels.py
new file mode 100644
index 0000000000000000000000000000000000000000..295dc928ba71fc00caa52708ac70097abe6dc3e4
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/mklabels.py
@@ -0,0 +1,59 @@
+"""
+
+    webencodings.mklabels
+    ~~~~~~~~~~~~~~~~~~~~~
+
+    Regenarate the webencodings.labels module.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+import json
+try:
+    from urllib import urlopen
+except ImportError:
+    from urllib.request import urlopen
+
+
+def assert_lower(string):
+    assert string == string.lower()
+    return string
+
+
+def generate(url):
+    parts = ['''\
+"""
+
+    webencodings.labels
+    ~~~~~~~~~~~~~~~~~~~
+
+    Map encoding labels to their name.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+# XXX Do not edit!
+# This file is automatically generated by mklabels.py
+
+LABELS = {
+''']
+    labels = [
+        (repr(assert_lower(label)).lstrip('u'),
+         repr(encoding['name']).lstrip('u'))
+        for category in json.loads(urlopen(url).read().decode('ascii'))
+        for encoding in category['encodings']
+        for label in encoding['labels']]
+    max_len = max(len(label) for label, name in labels)
+    parts.extend(
+        '    %s:%s %s,\n' % (label, ' ' * (max_len - len(label)), name)
+        for label, name in labels)
+    parts.append('}')
+    return ''.join(parts)
+
+
+if __name__ == '__main__':
+    print(generate('http://encoding.spec.whatwg.org/encodings.json'))
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/tests.py b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/tests.py
new file mode 100644
index 0000000000000000000000000000000000000000..e12c10d033026f09cf97b81d29555e12aae8c762
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/tests.py
@@ -0,0 +1,153 @@
+# coding: utf-8
+"""
+
+    webencodings.tests
+    ~~~~~~~~~~~~~~~~~~
+
+    A basic test suite for Encoding.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+from __future__ import unicode_literals
+
+from . import (lookup, LABELS, decode, encode, iter_decode, iter_encode,
+               IncrementalDecoder, IncrementalEncoder, UTF8)
+
+
+def assert_raises(exception, function, *args, **kwargs):
+    try:
+        function(*args, **kwargs)
+    except exception:
+        return
+    else:  # pragma: no cover
+        raise AssertionError('Did not raise %s.' % exception)
+
+
+def test_labels():
+    assert lookup('utf-8').name == 'utf-8'
+    assert lookup('Utf-8').name == 'utf-8'
+    assert lookup('UTF-8').name == 'utf-8'
+    assert lookup('utf8').name == 'utf-8'
+    assert lookup('utf8').name == 'utf-8'
+    assert lookup('utf8 ').name == 'utf-8'
+    assert lookup(' \r\nutf8\t').name == 'utf-8'
+    assert lookup('u8') is None  # Python label.
+    assert lookup('utf-8 ') is None  # Non-ASCII white space.
+
+    assert lookup('US-ASCII').name == 'windows-1252'
+    assert lookup('iso-8859-1').name == 'windows-1252'
+    assert lookup('latin1').name == 'windows-1252'
+    assert lookup('LATIN1').name == 'windows-1252'
+    assert lookup('latin-1') is None
+    assert lookup('LATİN1') is None  # ASCII-only case insensitivity.
+
+
+def test_all_labels():
+    for label in LABELS:
+        assert decode(b'', label) == ('', lookup(label))
+        assert encode('', label) == b''
+        for repeat in [0, 1, 12]:
+            output, _ = iter_decode([b''] * repeat, label)
+            assert list(output) == []
+            assert list(iter_encode([''] * repeat, label)) == []
+        decoder = IncrementalDecoder(label)
+        assert decoder.decode(b'') == ''
+        assert decoder.decode(b'', final=True) == ''
+        encoder = IncrementalEncoder(label)
+        assert encoder.encode('') == b''
+        assert encoder.encode('', final=True) == b''
+    # All encoding names are valid labels too:
+    for name in set(LABELS.values()):
+        assert lookup(name).name == name
+
+
+def test_invalid_label():
+    assert_raises(LookupError, decode, b'\xEF\xBB\xBF\xc3\xa9', 'invalid')
+    assert_raises(LookupError, encode, 'é', 'invalid')
+    assert_raises(LookupError, iter_decode, [], 'invalid')
+    assert_raises(LookupError, iter_encode, [], 'invalid')
+    assert_raises(LookupError, IncrementalDecoder, 'invalid')
+    assert_raises(LookupError, IncrementalEncoder, 'invalid')
+
+
+def test_decode():
+    assert decode(b'\x80', 'latin1') == ('€', lookup('latin1'))
+    assert decode(b'\x80', lookup('latin1')) == ('€', lookup('latin1'))
+    assert decode(b'\xc3\xa9', 'utf8') == ('é', lookup('utf8'))
+    assert decode(b'\xc3\xa9', UTF8) == ('é', lookup('utf8'))
+    assert decode(b'\xc3\xa9', 'ascii') == ('é', lookup('ascii'))
+    assert decode(b'\xEF\xBB\xBF\xc3\xa9', 'ascii') == ('é', lookup('utf8'))  # UTF-8 with BOM
+
+    assert decode(b'\xFE\xFF\x00\xe9', 'ascii') == ('é', lookup('utf-16be'))  # UTF-16-BE with BOM
+    assert decode(b'\xFF\xFE\xe9\x00', 'ascii') == ('é', lookup('utf-16le'))  # UTF-16-LE with BOM
+    assert decode(b'\xFE\xFF\xe9\x00', 'ascii') == ('\ue900', lookup('utf-16be'))
+    assert decode(b'\xFF\xFE\x00\xe9', 'ascii') == ('\ue900', lookup('utf-16le'))
+
+    assert decode(b'\x00\xe9', 'UTF-16BE') == ('é', lookup('utf-16be'))
+    assert decode(b'\xe9\x00', 'UTF-16LE') == ('é', lookup('utf-16le'))
+    assert decode(b'\xe9\x00', 'UTF-16') == ('é', lookup('utf-16le'))
+
+    assert decode(b'\xe9\x00', 'UTF-16BE') == ('\ue900', lookup('utf-16be'))
+    assert decode(b'\x00\xe9', 'UTF-16LE') == ('\ue900', lookup('utf-16le'))
+    assert decode(b'\x00\xe9', 'UTF-16') == ('\ue900', lookup('utf-16le'))
+
+
+def test_encode():
+    assert encode('é', 'latin1') == b'\xe9'
+    assert encode('é', 'utf8') == b'\xc3\xa9'
+    assert encode('é', 'utf8') == b'\xc3\xa9'
+    assert encode('é', 'utf-16') == b'\xe9\x00'
+    assert encode('é', 'utf-16le') == b'\xe9\x00'
+    assert encode('é', 'utf-16be') == b'\x00\xe9'
+
+
+def test_iter_decode():
+    def iter_decode_to_string(input, fallback_encoding):
+        output, _encoding = iter_decode(input, fallback_encoding)
+        return ''.join(output)
+    assert iter_decode_to_string([], 'latin1') == ''
+    assert iter_decode_to_string([b''], 'latin1') == ''
+    assert iter_decode_to_string([b'\xe9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'hello'], 'latin1') == 'hello'
+    assert iter_decode_to_string([b'he', b'llo'], 'latin1') == 'hello'
+    assert iter_decode_to_string([b'hell', b'o'], 'latin1') == 'hello'
+    assert iter_decode_to_string([b'\xc3\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'\xEF\xBB\xBF\xc3\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'\xEF\xBB\xBF', b'\xc3', b'\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'\xEF\xBB\xBF', b'a', b'\xc3'], 'latin1') == 'a\uFFFD'
+    assert iter_decode_to_string([
+        b'', b'\xEF', b'', b'', b'\xBB\xBF\xc3', b'\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'\xEF\xBB\xBF'], 'latin1') == ''
+    assert iter_decode_to_string([b'\xEF\xBB'], 'latin1') == 'ï»'
+    assert iter_decode_to_string([b'\xFE\xFF\x00\xe9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'\xFF\xFE\xe9\x00'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'', b'\xFF', b'', b'', b'\xFE\xe9', b'\x00'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'', b'h\xe9', b'llo'], 'x-user-defined') == 'h\uF7E9llo'
+
+
+def test_iter_encode():
+    assert b''.join(iter_encode([], 'latin1')) == b''
+    assert b''.join(iter_encode([''], 'latin1')) == b''
+    assert b''.join(iter_encode(['é'], 'latin1')) == b'\xe9'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'latin1')) == b'\xe9'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16')) == b'\xe9\x00'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16le')) == b'\xe9\x00'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16be')) == b'\x00\xe9'
+    assert b''.join(iter_encode([
+        '', 'h\uF7E9', '', 'llo'], 'x-user-defined')) == b'h\xe9llo'
+
+
+def test_x_user_defined():
+    encoded = b'2,\x0c\x0b\x1aO\xd9#\xcb\x0f\xc9\xbbt\xcf\xa8\xca'
+    decoded = '2,\x0c\x0b\x1aO\uf7d9#\uf7cb\x0f\uf7c9\uf7bbt\uf7cf\uf7a8\uf7ca'
+    encoded = b'aa'
+    decoded = 'aa'
+    assert decode(encoded, 'x-user-defined') == (decoded, lookup('x-user-defined'))
+    assert encode(decoded, 'x-user-defined') == encoded
diff --git a/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/x_user_defined.py b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/x_user_defined.py
new file mode 100644
index 0000000000000000000000000000000000000000..d16e326024c05a59548619e13258acad781e0a6d
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pip/_vendor/webencodings/x_user_defined.py
@@ -0,0 +1,325 @@
+# coding: utf-8
+"""
+
+    webencodings.x_user_defined
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    An implementation of the x-user-defined encoding.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+from __future__ import unicode_literals
+
+import codecs
+
+
+### Codec APIs
+
+class Codec(codecs.Codec):
+
+    def encode(self, input, errors='strict'):
+        return codecs.charmap_encode(input, errors, encoding_table)
+
+    def decode(self, input, errors='strict'):
+        return codecs.charmap_decode(input, errors, decoding_table)
+
+
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input, self.errors, encoding_table)[0]
+
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input, self.errors, decoding_table)[0]
+
+
+class StreamWriter(Codec, codecs.StreamWriter):
+    pass
+
+
+class StreamReader(Codec, codecs.StreamReader):
+    pass
+
+
+### encodings module API
+
+codec_info = codecs.CodecInfo(
+    name='x-user-defined',
+    encode=Codec().encode,
+    decode=Codec().decode,
+    incrementalencoder=IncrementalEncoder,
+    incrementaldecoder=IncrementalDecoder,
+    streamreader=StreamReader,
+    streamwriter=StreamWriter,
+)
+
+
+### Decoding Table
+
+# Python 3:
+# for c in range(256): print('    %r' % chr(c if c < 128 else c + 0xF700))
+decoding_table = (
+    '\x00'
+    '\x01'
+    '\x02'
+    '\x03'
+    '\x04'
+    '\x05'
+    '\x06'
+    '\x07'
+    '\x08'
+    '\t'
+    '\n'
+    '\x0b'
+    '\x0c'
+    '\r'
+    '\x0e'
+    '\x0f'
+    '\x10'
+    '\x11'
+    '\x12'
+    '\x13'
+    '\x14'
+    '\x15'
+    '\x16'
+    '\x17'
+    '\x18'
+    '\x19'
+    '\x1a'
+    '\x1b'
+    '\x1c'
+    '\x1d'
+    '\x1e'
+    '\x1f'
+    ' '
+    '!'
+    '"'
+    '#'
+    '$'
+    '%'
+    '&'
+    "'"
+    '('
+    ')'
+    '*'
+    '+'
+    ','
+    '-'
+    '.'
+    '/'
+    '0'
+    '1'
+    '2'
+    '3'
+    '4'
+    '5'
+    '6'
+    '7'
+    '8'
+    '9'
+    ':'
+    ';'
+    '<'
+    '='
+    '>'
+    '?'
+    '@'
+    'A'
+    'B'
+    'C'
+    'D'
+    'E'
+    'F'
+    'G'
+    'H'
+    'I'
+    'J'
+    'K'
+    'L'
+    'M'
+    'N'
+    'O'
+    'P'
+    'Q'
+    'R'
+    'S'
+    'T'
+    'U'
+    'V'
+    'W'
+    'X'
+    'Y'
+    'Z'
+    '['
+    '\\'
+    ']'
+    '^'
+    '_'
+    '`'
+    'a'
+    'b'
+    'c'
+    'd'
+    'e'
+    'f'
+    'g'
+    'h'
+    'i'
+    'j'
+    'k'
+    'l'
+    'm'
+    'n'
+    'o'
+    'p'
+    'q'
+    'r'
+    's'
+    't'
+    'u'
+    'v'
+    'w'
+    'x'
+    'y'
+    'z'
+    '{'
+    '|'
+    '}'
+    '~'
+    '\x7f'
+    '\uf780'
+    '\uf781'
+    '\uf782'
+    '\uf783'
+    '\uf784'
+    '\uf785'
+    '\uf786'
+    '\uf787'
+    '\uf788'
+    '\uf789'
+    '\uf78a'
+    '\uf78b'
+    '\uf78c'
+    '\uf78d'
+    '\uf78e'
+    '\uf78f'
+    '\uf790'
+    '\uf791'
+    '\uf792'
+    '\uf793'
+    '\uf794'
+    '\uf795'
+    '\uf796'
+    '\uf797'
+    '\uf798'
+    '\uf799'
+    '\uf79a'
+    '\uf79b'
+    '\uf79c'
+    '\uf79d'
+    '\uf79e'
+    '\uf79f'
+    '\uf7a0'
+    '\uf7a1'
+    '\uf7a2'
+    '\uf7a3'
+    '\uf7a4'
+    '\uf7a5'
+    '\uf7a6'
+    '\uf7a7'
+    '\uf7a8'
+    '\uf7a9'
+    '\uf7aa'
+    '\uf7ab'
+    '\uf7ac'
+    '\uf7ad'
+    '\uf7ae'
+    '\uf7af'
+    '\uf7b0'
+    '\uf7b1'
+    '\uf7b2'
+    '\uf7b3'
+    '\uf7b4'
+    '\uf7b5'
+    '\uf7b6'
+    '\uf7b7'
+    '\uf7b8'
+    '\uf7b9'
+    '\uf7ba'
+    '\uf7bb'
+    '\uf7bc'
+    '\uf7bd'
+    '\uf7be'
+    '\uf7bf'
+    '\uf7c0'
+    '\uf7c1'
+    '\uf7c2'
+    '\uf7c3'
+    '\uf7c4'
+    '\uf7c5'
+    '\uf7c6'
+    '\uf7c7'
+    '\uf7c8'
+    '\uf7c9'
+    '\uf7ca'
+    '\uf7cb'
+    '\uf7cc'
+    '\uf7cd'
+    '\uf7ce'
+    '\uf7cf'
+    '\uf7d0'
+    '\uf7d1'
+    '\uf7d2'
+    '\uf7d3'
+    '\uf7d4'
+    '\uf7d5'
+    '\uf7d6'
+    '\uf7d7'
+    '\uf7d8'
+    '\uf7d9'
+    '\uf7da'
+    '\uf7db'
+    '\uf7dc'
+    '\uf7dd'
+    '\uf7de'
+    '\uf7df'
+    '\uf7e0'
+    '\uf7e1'
+    '\uf7e2'
+    '\uf7e3'
+    '\uf7e4'
+    '\uf7e5'
+    '\uf7e6'
+    '\uf7e7'
+    '\uf7e8'
+    '\uf7e9'
+    '\uf7ea'
+    '\uf7eb'
+    '\uf7ec'
+    '\uf7ed'
+    '\uf7ee'
+    '\uf7ef'
+    '\uf7f0'
+    '\uf7f1'
+    '\uf7f2'
+    '\uf7f3'
+    '\uf7f4'
+    '\uf7f5'
+    '\uf7f6'
+    '\uf7f7'
+    '\uf7f8'
+    '\uf7f9'
+    '\uf7fa'
+    '\uf7fb'
+    '\uf7fc'
+    '\uf7fd'
+    '\uf7fe'
+    '\uf7ff'
+)
+
+### Encoding table
+encoding_table = codecs.charmap_build(decoding_table)
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/__init__.py b/venv/lib/python3.10/site-packages/pkg_resources/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..955fdc48b60cc6f9bc03916039a379a741a7d93a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/__init__.py
@@ -0,0 +1,3303 @@
+"""
+Package resource API
+--------------------
+
+A resource is a logical file contained within a package, or a logical
+subdirectory thereof.  The package resource API expects resource names
+to have their path parts separated with ``/``, *not* whatever the local
+path separator is.  Do not use os.path operations to manipulate resource
+names being passed into the API.
+
+The package resource API is designed to work with normal filesystem packages,
+.egg files, and unpacked .egg files.  It can also work in a limited way with
+.zip files and with custom PEP 302 loaders that support the ``get_data()``
+method.
+"""
+
+import sys
+import os
+import io
+import time
+import re
+import types
+import zipfile
+import zipimport
+import warnings
+import stat
+import functools
+import pkgutil
+import operator
+import platform
+import collections
+import plistlib
+import email.parser
+import errno
+import tempfile
+import textwrap
+import itertools
+import inspect
+import ntpath
+import posixpath
+import importlib
+from pkgutil import get_importer
+
+try:
+    import _imp
+except ImportError:
+    # Python 3.2 compatibility
+    import imp as _imp
+
+try:
+    FileExistsError
+except NameError:
+    FileExistsError = OSError
+
+# capture these to bypass sandboxing
+from os import utime
+try:
+    from os import mkdir, rename, unlink
+    WRITE_SUPPORT = True
+except ImportError:
+    # no write support, probably under GAE
+    WRITE_SUPPORT = False
+
+from os import open as os_open
+from os.path import isdir, split
+
+try:
+    import importlib.machinery as importlib_machinery
+    # access attribute to force import under delayed import mechanisms.
+    importlib_machinery.__name__
+except ImportError:
+    importlib_machinery = None
+
+from pkg_resources.extern import appdirs
+from pkg_resources.extern import packaging
+__import__('pkg_resources.extern.packaging.version')
+__import__('pkg_resources.extern.packaging.specifiers')
+__import__('pkg_resources.extern.packaging.requirements')
+__import__('pkg_resources.extern.packaging.markers')
+
+if sys.version_info < (3, 5):
+    raise RuntimeError("Python 3.5 or later is required")
+
+# declare some globals that will be defined later to
+# satisfy the linters.
+require = None
+working_set = None
+add_activation_listener = None
+resources_stream = None
+cleanup_resources = None
+resource_dir = None
+resource_stream = None
+set_extraction_path = None
+resource_isdir = None
+resource_string = None
+iter_entry_points = None
+resource_listdir = None
+resource_filename = None
+resource_exists = None
+_distribution_finders = None
+_namespace_handlers = None
+_namespace_packages = None
+
+
+class PEP440Warning(RuntimeWarning):
+    """
+    Used when there is an issue with a version or specifier not complying with
+    PEP 440.
+    """
+
+
+def parse_version(v):
+    try:
+        return packaging.version.Version(v)
+    except packaging.version.InvalidVersion:
+        warnings.warn(
+            f"{v} is an invalid version and will not be supported in "
+            "a future release",
+            PkgResourcesDeprecationWarning,
+        )
+        return packaging.version.LegacyVersion(v)
+
+
+_state_vars = {}
+
+
+def _declare_state(vartype, **kw):
+    globals().update(kw)
+    _state_vars.update(dict.fromkeys(kw, vartype))
+
+
+def __getstate__():
+    state = {}
+    g = globals()
+    for k, v in _state_vars.items():
+        state[k] = g['_sget_' + v](g[k])
+    return state
+
+
+def __setstate__(state):
+    g = globals()
+    for k, v in state.items():
+        g['_sset_' + _state_vars[k]](k, g[k], v)
+    return state
+
+
+def _sget_dict(val):
+    return val.copy()
+
+
+def _sset_dict(key, ob, state):
+    ob.clear()
+    ob.update(state)
+
+
+def _sget_object(val):
+    return val.__getstate__()
+
+
+def _sset_object(key, ob, state):
+    ob.__setstate__(state)
+
+
+_sget_none = _sset_none = lambda *args: None
+
+
+def get_supported_platform():
+    """Return this platform's maximum compatible version.
+
+    distutils.util.get_platform() normally reports the minimum version
+    of macOS that would be required to *use* extensions produced by
+    distutils.  But what we want when checking compatibility is to know the
+    version of macOS that we are *running*.  To allow usage of packages that
+    explicitly require a newer version of macOS, we must also know the
+    current version of the OS.
+
+    If this condition occurs for any other platform with a version in its
+    platform strings, this function should be extended accordingly.
+    """
+    plat = get_build_platform()
+    m = macosVersionString.match(plat)
+    if m is not None and sys.platform == "darwin":
+        try:
+            plat = 'macosx-%s-%s' % ('.'.join(_macos_vers()[:2]), m.group(3))
+        except ValueError:
+            # not macOS
+            pass
+    return plat
+
+
+__all__ = [
+    # Basic resource access and distribution/entry point discovery
+    'require', 'run_script', 'get_provider', 'get_distribution',
+    'load_entry_point', 'get_entry_map', 'get_entry_info',
+    'iter_entry_points',
+    'resource_string', 'resource_stream', 'resource_filename',
+    'resource_listdir', 'resource_exists', 'resource_isdir',
+
+    # Environmental control
+    'declare_namespace', 'working_set', 'add_activation_listener',
+    'find_distributions', 'set_extraction_path', 'cleanup_resources',
+    'get_default_cache',
+
+    # Primary implementation classes
+    'Environment', 'WorkingSet', 'ResourceManager',
+    'Distribution', 'Requirement', 'EntryPoint',
+
+    # Exceptions
+    'ResolutionError', 'VersionConflict', 'DistributionNotFound',
+    'UnknownExtra', 'ExtractionError',
+
+    # Warnings
+    'PEP440Warning',
+
+    # Parsing functions and string utilities
+    'parse_requirements', 'parse_version', 'safe_name', 'safe_version',
+    'get_platform', 'compatible_platforms', 'yield_lines', 'split_sections',
+    'safe_extra', 'to_filename', 'invalid_marker', 'evaluate_marker',
+
+    # filesystem utilities
+    'ensure_directory', 'normalize_path',
+
+    # Distribution "precedence" constants
+    'EGG_DIST', 'BINARY_DIST', 'SOURCE_DIST', 'CHECKOUT_DIST', 'DEVELOP_DIST',
+
+    # "Provider" interfaces, implementations, and registration/lookup APIs
+    'IMetadataProvider', 'IResourceProvider', 'FileMetadata',
+    'PathMetadata', 'EggMetadata', 'EmptyProvider', 'empty_provider',
+    'NullProvider', 'EggProvider', 'DefaultProvider', 'ZipProvider',
+    'register_finder', 'register_namespace_handler', 'register_loader_type',
+    'fixup_namespace_packages', 'get_importer',
+
+    # Warnings
+    'PkgResourcesDeprecationWarning',
+
+    # Deprecated/backward compatibility only
+    'run_main', 'AvailableDistributions',
+]
+
+
+class ResolutionError(Exception):
+    """Abstract base for dependency resolution errors"""
+
+    def __repr__(self):
+        return self.__class__.__name__ + repr(self.args)
+
+
+class VersionConflict(ResolutionError):
+    """
+    An already-installed version conflicts with the requested version.
+
+    Should be initialized with the installed Distribution and the requested
+    Requirement.
+    """
+
+    _template = "{self.dist} is installed but {self.req} is required"
+
+    @property
+    def dist(self):
+        return self.args[0]
+
+    @property
+    def req(self):
+        return self.args[1]
+
+    def report(self):
+        return self._template.format(**locals())
+
+    def with_context(self, required_by):
+        """
+        If required_by is non-empty, return a version of self that is a
+        ContextualVersionConflict.
+        """
+        if not required_by:
+            return self
+        args = self.args + (required_by,)
+        return ContextualVersionConflict(*args)
+
+
+class ContextualVersionConflict(VersionConflict):
+    """
+    A VersionConflict that accepts a third parameter, the set of the
+    requirements that required the installed Distribution.
+    """
+
+    _template = VersionConflict._template + ' by {self.required_by}'
+
+    @property
+    def required_by(self):
+        return self.args[2]
+
+
+class DistributionNotFound(ResolutionError):
+    """A requested distribution was not found"""
+
+    _template = ("The '{self.req}' distribution was not found "
+                 "and is required by {self.requirers_str}")
+
+    @property
+    def req(self):
+        return self.args[0]
+
+    @property
+    def requirers(self):
+        return self.args[1]
+
+    @property
+    def requirers_str(self):
+        if not self.requirers:
+            return 'the application'
+        return ', '.join(self.requirers)
+
+    def report(self):
+        return self._template.format(**locals())
+
+    def __str__(self):
+        return self.report()
+
+
+class UnknownExtra(ResolutionError):
+    """Distribution doesn't have an "extra feature" of the given name"""
+
+
+_provider_factories = {}
+
+PY_MAJOR = '{}.{}'.format(*sys.version_info)
+EGG_DIST = 3
+BINARY_DIST = 2
+SOURCE_DIST = 1
+CHECKOUT_DIST = 0
+DEVELOP_DIST = -1
+
+
+def register_loader_type(loader_type, provider_factory):
+    """Register `provider_factory` to make providers for `loader_type`
+
+    `loader_type` is the type or class of a PEP 302 ``module.__loader__``,
+    and `provider_factory` is a function that, passed a *module* object,
+    returns an ``IResourceProvider`` for that module.
+    """
+    _provider_factories[loader_type] = provider_factory
+
+
+def get_provider(moduleOrReq):
+    """Return an IResourceProvider for the named module or requirement"""
+    if isinstance(moduleOrReq, Requirement):
+        return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
+    try:
+        module = sys.modules[moduleOrReq]
+    except KeyError:
+        __import__(moduleOrReq)
+        module = sys.modules[moduleOrReq]
+    loader = getattr(module, '__loader__', None)
+    return _find_adapter(_provider_factories, loader)(module)
+
+
+def _macos_vers(_cache=[]):
+    if not _cache:
+        version = platform.mac_ver()[0]
+        # fallback for MacPorts
+        if version == '':
+            plist = '/System/Library/CoreServices/SystemVersion.plist'
+            if os.path.exists(plist):
+                if hasattr(plistlib, 'readPlist'):
+                    plist_content = plistlib.readPlist(plist)
+                    if 'ProductVersion' in plist_content:
+                        version = plist_content['ProductVersion']
+
+        _cache.append(version.split('.'))
+    return _cache[0]
+
+
+def _macos_arch(machine):
+    return {'PowerPC': 'ppc', 'Power_Macintosh': 'ppc'}.get(machine, machine)
+
+
+def get_build_platform():
+    """Return this platform's string for platform-specific distributions
+
+    XXX Currently this is the same as ``distutils.util.get_platform()``, but it
+    needs some hacks for Linux and macOS.
+    """
+    from sysconfig import get_platform
+
+    plat = get_platform()
+    if sys.platform == "darwin" and not plat.startswith('macosx-'):
+        try:
+            version = _macos_vers()
+            machine = os.uname()[4].replace(" ", "_")
+            return "macosx-%d.%d-%s" % (
+                int(version[0]), int(version[1]),
+                _macos_arch(machine),
+            )
+        except ValueError:
+            # if someone is running a non-Mac darwin system, this will fall
+            # through to the default implementation
+            pass
+    return plat
+
+
+macosVersionString = re.compile(r"macosx-(\d+)\.(\d+)-(.*)")
+darwinVersionString = re.compile(r"darwin-(\d+)\.(\d+)\.(\d+)-(.*)")
+# XXX backward compat
+get_platform = get_build_platform
+
+
+def compatible_platforms(provided, required):
+    """Can code for the `provided` platform run on the `required` platform?
+
+    Returns true if either platform is ``None``, or the platforms are equal.
+
+    XXX Needs compatibility checks for Linux and other unixy OSes.
+    """
+    if provided is None or required is None or provided == required:
+        # easy case
+        return True
+
+    # macOS special cases
+    reqMac = macosVersionString.match(required)
+    if reqMac:
+        provMac = macosVersionString.match(provided)
+
+        # is this a Mac package?
+        if not provMac:
+            # this is backwards compatibility for packages built before
+            # setuptools 0.6. All packages built after this point will
+            # use the new macOS designation.
+            provDarwin = darwinVersionString.match(provided)
+            if provDarwin:
+                dversion = int(provDarwin.group(1))
+                macosversion = "%s.%s" % (reqMac.group(1), reqMac.group(2))
+                if dversion == 7 and macosversion >= "10.3" or \
+                        dversion == 8 and macosversion >= "10.4":
+                    return True
+            # egg isn't macOS or legacy darwin
+            return False
+
+        # are they the same major version and machine type?
+        if provMac.group(1) != reqMac.group(1) or \
+                provMac.group(3) != reqMac.group(3):
+            return False
+
+        # is the required OS major update >= the provided one?
+        if int(provMac.group(2)) > int(reqMac.group(2)):
+            return False
+
+        return True
+
+    # XXX Linux and other platforms' special cases should go here
+    return False
+
+
+def run_script(dist_spec, script_name):
+    """Locate distribution `dist_spec` and run its `script_name` script"""
+    ns = sys._getframe(1).f_globals
+    name = ns['__name__']
+    ns.clear()
+    ns['__name__'] = name
+    require(dist_spec)[0].run_script(script_name, ns)
+
+
+# backward compatibility
+run_main = run_script
+
+
+def get_distribution(dist):
+    """Return a current distribution object for a Requirement or string"""
+    if isinstance(dist, str):
+        dist = Requirement.parse(dist)
+    if isinstance(dist, Requirement):
+        dist = get_provider(dist)
+    if not isinstance(dist, Distribution):
+        raise TypeError("Expected string, Requirement, or Distribution", dist)
+    return dist
+
+
+def load_entry_point(dist, group, name):
+    """Return `name` entry point of `group` for `dist` or raise ImportError"""
+    return get_distribution(dist).load_entry_point(group, name)
+
+
+def get_entry_map(dist, group=None):
+    """Return the entry point map for `group`, or the full entry map"""
+    return get_distribution(dist).get_entry_map(group)
+
+
+def get_entry_info(dist, group, name):
+    """Return the EntryPoint object for `group`+`name`, or ``None``"""
+    return get_distribution(dist).get_entry_info(group, name)
+
+
+class IMetadataProvider:
+    def has_metadata(name):
+        """Does the package's distribution contain the named metadata?"""
+
+    def get_metadata(name):
+        """The named metadata resource as a string"""
+
+    def get_metadata_lines(name):
+        """Yield named metadata resource as list of non-blank non-comment lines
+
+       Leading and trailing whitespace is stripped from each line, and lines
+       with ``#`` as the first non-blank character are omitted."""
+
+    def metadata_isdir(name):
+        """Is the named metadata a directory?  (like ``os.path.isdir()``)"""
+
+    def metadata_listdir(name):
+        """List of metadata names in the directory (like ``os.listdir()``)"""
+
+    def run_script(script_name, namespace):
+        """Execute the named script in the supplied namespace dictionary"""
+
+
+class IResourceProvider(IMetadataProvider):
+    """An object that provides access to package resources"""
+
+    def get_resource_filename(manager, resource_name):
+        """Return a true filesystem path for `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def get_resource_stream(manager, resource_name):
+        """Return a readable file-like object for `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def get_resource_string(manager, resource_name):
+        """Return a string containing the contents of `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def has_resource(resource_name):
+        """Does the package contain the named resource?"""
+
+    def resource_isdir(resource_name):
+        """Is the named resource a directory?  (like ``os.path.isdir()``)"""
+
+    def resource_listdir(resource_name):
+        """List of resource names in the directory (like ``os.listdir()``)"""
+
+
+class WorkingSet:
+    """A collection of active distributions on sys.path (or a similar list)"""
+
+    def __init__(self, entries=None):
+        """Create working set from list of path entries (default=sys.path)"""
+        self.entries = []
+        self.entry_keys = {}
+        self.by_key = {}
+        self.callbacks = []
+
+        if entries is None:
+            entries = sys.path
+
+        for entry in entries:
+            self.add_entry(entry)
+
+    @classmethod
+    def _build_master(cls):
+        """
+        Prepare the master working set.
+        """
+        ws = cls()
+        try:
+            from __main__ import __requires__
+        except ImportError:
+            # The main program does not list any requirements
+            return ws
+
+        # ensure the requirements are met
+        try:
+            ws.require(__requires__)
+        except VersionConflict:
+            return cls._build_from_requirements(__requires__)
+
+        return ws
+
+    @classmethod
+    def _build_from_requirements(cls, req_spec):
+        """
+        Build a working set from a requirement spec. Rewrites sys.path.
+        """
+        # try it without defaults already on sys.path
+        # by starting with an empty path
+        ws = cls([])
+        reqs = parse_requirements(req_spec)
+        dists = ws.resolve(reqs, Environment())
+        for dist in dists:
+            ws.add(dist)
+
+        # add any missing entries from sys.path
+        for entry in sys.path:
+            if entry not in ws.entries:
+                ws.add_entry(entry)
+
+        # then copy back to sys.path
+        sys.path[:] = ws.entries
+        return ws
+
+    def add_entry(self, entry):
+        """Add a path item to ``.entries``, finding any distributions on it
+
+        ``find_distributions(entry, True)`` is used to find distributions
+        corresponding to the path entry, and they are added.  `entry` is
+        always appended to ``.entries``, even if it is already present.
+        (This is because ``sys.path`` can contain the same value more than
+        once, and the ``.entries`` of the ``sys.path`` WorkingSet should always
+        equal ``sys.path``.)
+        """
+        self.entry_keys.setdefault(entry, [])
+        self.entries.append(entry)
+        for dist in find_distributions(entry, True):
+            self.add(dist, entry, False)
+
+    def __contains__(self, dist):
+        """True if `dist` is the active distribution for its project"""
+        return self.by_key.get(dist.key) == dist
+
+    def find(self, req):
+        """Find a distribution matching requirement `req`
+
+        If there is an active distribution for the requested project, this
+        returns it as long as it meets the version requirement specified by
+        `req`.  But, if there is an active distribution for the project and it
+        does *not* meet the `req` requirement, ``VersionConflict`` is raised.
+        If there is no active distribution for the requested project, ``None``
+        is returned.
+        """
+        dist = self.by_key.get(req.key)
+        if dist is not None and dist not in req:
+            # XXX add more info
+            raise VersionConflict(dist, req)
+        return dist
+
+    def iter_entry_points(self, group, name=None):
+        """Yield entry point objects from `group` matching `name`
+
+        If `name` is None, yields all entry points in `group` from all
+        distributions in the working set, otherwise only ones matching
+        both `group` and `name` are yielded (in distribution order).
+        """
+        return (
+            entry
+            for dist in self
+            for entry in dist.get_entry_map(group).values()
+            if name is None or name == entry.name
+        )
+
+    def run_script(self, requires, script_name):
+        """Locate distribution for `requires` and run `script_name` script"""
+        ns = sys._getframe(1).f_globals
+        name = ns['__name__']
+        ns.clear()
+        ns['__name__'] = name
+        self.require(requires)[0].run_script(script_name, ns)
+
+    def __iter__(self):
+        """Yield distributions for non-duplicate projects in the working set
+
+        The yield order is the order in which the items' path entries were
+        added to the working set.
+        """
+        seen = {}
+        for item in self.entries:
+            if item not in self.entry_keys:
+                # workaround a cache issue
+                continue
+
+            for key in self.entry_keys[item]:
+                if key not in seen:
+                    seen[key] = 1
+                    yield self.by_key[key]
+
+    def add(self, dist, entry=None, insert=True, replace=False):
+        """Add `dist` to working set, associated with `entry`
+
+        If `entry` is unspecified, it defaults to the ``.location`` of `dist`.
+        On exit from this routine, `entry` is added to the end of the working
+        set's ``.entries`` (if it wasn't already present).
+
+        `dist` is only added to the working set if it's for a project that
+        doesn't already have a distribution in the set, unless `replace=True`.
+        If it's added, any callbacks registered with the ``subscribe()`` method
+        will be called.
+        """
+        if insert:
+            dist.insert_on(self.entries, entry, replace=replace)
+
+        if entry is None:
+            entry = dist.location
+        keys = self.entry_keys.setdefault(entry, [])
+        keys2 = self.entry_keys.setdefault(dist.location, [])
+        if not replace and dist.key in self.by_key:
+            # ignore hidden distros
+            return
+
+        self.by_key[dist.key] = dist
+        if dist.key not in keys:
+            keys.append(dist.key)
+        if dist.key not in keys2:
+            keys2.append(dist.key)
+        self._added_new(dist)
+
+    # FIXME: 'WorkingSet.resolve' is too complex (11)
+    def resolve(self, requirements, env=None, installer=None,  # noqa: C901
+                replace_conflicting=False, extras=None):
+        """List all distributions needed to (recursively) meet `requirements`
+
+        `requirements` must be a sequence of ``Requirement`` objects.  `env`,
+        if supplied, should be an ``Environment`` instance.  If
+        not supplied, it defaults to all distributions available within any
+        entry or distribution in the working set.  `installer`, if supplied,
+        will be invoked with each requirement that cannot be met by an
+        already-installed distribution; it should return a ``Distribution`` or
+        ``None``.
+
+        Unless `replace_conflicting=True`, raises a VersionConflict exception
+        if
+        any requirements are found on the path that have the correct name but
+        the wrong version.  Otherwise, if an `installer` is supplied it will be
+        invoked to obtain the correct version of the requirement and activate
+        it.
+
+        `extras` is a list of the extras to be used with these requirements.
+        This is important because extra requirements may look like `my_req;
+        extra = "my_extra"`, which would otherwise be interpreted as a purely
+        optional requirement.  Instead, we want to be able to assert that these
+        requirements are truly required.
+        """
+
+        # set up the stack
+        requirements = list(requirements)[::-1]
+        # set of processed requirements
+        processed = {}
+        # key -> dist
+        best = {}
+        to_activate = []
+
+        req_extras = _ReqExtras()
+
+        # Mapping of requirement to set of distributions that required it;
+        # useful for reporting info about conflicts.
+        required_by = collections.defaultdict(set)
+
+        while requirements:
+            # process dependencies breadth-first
+            req = requirements.pop(0)
+            if req in processed:
+                # Ignore cyclic or redundant dependencies
+                continue
+
+            if not req_extras.markers_pass(req, extras):
+                continue
+
+            dist = best.get(req.key)
+            if dist is None:
+                # Find the best distribution and add it to the map
+                dist = self.by_key.get(req.key)
+                if dist is None or (dist not in req and replace_conflicting):
+                    ws = self
+                    if env is None:
+                        if dist is None:
+                            env = Environment(self.entries)
+                        else:
+                            # Use an empty environment and workingset to avoid
+                            # any further conflicts with the conflicting
+                            # distribution
+                            env = Environment([])
+                            ws = WorkingSet([])
+                    dist = best[req.key] = env.best_match(
+                        req, ws, installer,
+                        replace_conflicting=replace_conflicting
+                    )
+                    if dist is None:
+                        requirers = required_by.get(req, None)
+                        raise DistributionNotFound(req, requirers)
+                to_activate.append(dist)
+            if dist not in req:
+                # Oops, the "best" so far conflicts with a dependency
+                dependent_req = required_by[req]
+                raise VersionConflict(dist, req).with_context(dependent_req)
+
+            # push the new requirements onto the stack
+            new_requirements = dist.requires(req.extras)[::-1]
+            requirements.extend(new_requirements)
+
+            # Register the new requirements needed by req
+            for new_requirement in new_requirements:
+                required_by[new_requirement].add(req.project_name)
+                req_extras[new_requirement] = req.extras
+
+            processed[req] = True
+
+        # return list of distros to activate
+        return to_activate
+
+    def find_plugins(
+            self, plugin_env, full_env=None, installer=None, fallback=True):
+        """Find all activatable distributions in `plugin_env`
+
+        Example usage::
+
+            distributions, errors = working_set.find_plugins(
+                Environment(plugin_dirlist)
+            )
+            # add plugins+libs to sys.path
+            map(working_set.add, distributions)
+            # display errors
+            print('Could not load', errors)
+
+        The `plugin_env` should be an ``Environment`` instance that contains
+        only distributions that are in the project's "plugin directory" or
+        directories. The `full_env`, if supplied, should be an ``Environment``
+        contains all currently-available distributions.  If `full_env` is not
+        supplied, one is created automatically from the ``WorkingSet`` this
+        method is called on, which will typically mean that every directory on
+        ``sys.path`` will be scanned for distributions.
+
+        `installer` is a standard installer callback as used by the
+        ``resolve()`` method. The `fallback` flag indicates whether we should
+        attempt to resolve older versions of a plugin if the newest version
+        cannot be resolved.
+
+        This method returns a 2-tuple: (`distributions`, `error_info`), where
+        `distributions` is a list of the distributions found in `plugin_env`
+        that were loadable, along with any other distributions that are needed
+        to resolve their dependencies.  `error_info` is a dictionary mapping
+        unloadable plugin distributions to an exception instance describing the
+        error that occurred. Usually this will be a ``DistributionNotFound`` or
+        ``VersionConflict`` instance.
+        """
+
+        plugin_projects = list(plugin_env)
+        # scan project names in alphabetic order
+        plugin_projects.sort()
+
+        error_info = {}
+        distributions = {}
+
+        if full_env is None:
+            env = Environment(self.entries)
+            env += plugin_env
+        else:
+            env = full_env + plugin_env
+
+        shadow_set = self.__class__([])
+        # put all our entries in shadow_set
+        list(map(shadow_set.add, self))
+
+        for project_name in plugin_projects:
+
+            for dist in plugin_env[project_name]:
+
+                req = [dist.as_requirement()]
+
+                try:
+                    resolvees = shadow_set.resolve(req, env, installer)
+
+                except ResolutionError as v:
+                    # save error info
+                    error_info[dist] = v
+                    if fallback:
+                        # try the next older version of project
+                        continue
+                    else:
+                        # give up on this project, keep going
+                        break
+
+                else:
+                    list(map(shadow_set.add, resolvees))
+                    distributions.update(dict.fromkeys(resolvees))
+
+                    # success, no need to try any more versions of this project
+                    break
+
+        distributions = list(distributions)
+        distributions.sort()
+
+        return distributions, error_info
+
+    def require(self, *requirements):
+        """Ensure that distributions matching `requirements` are activated
+
+        `requirements` must be a string or a (possibly-nested) sequence
+        thereof, specifying the distributions and versions required.  The
+        return value is a sequence of the distributions that needed to be
+        activated to fulfill the requirements; all relevant distributions are
+        included, even if they were already activated in this working set.
+        """
+        needed = self.resolve(parse_requirements(requirements))
+
+        for dist in needed:
+            self.add(dist)
+
+        return needed
+
+    def subscribe(self, callback, existing=True):
+        """Invoke `callback` for all distributions
+
+        If `existing=True` (default),
+        call on all existing ones, as well.
+        """
+        if callback in self.callbacks:
+            return
+        self.callbacks.append(callback)
+        if not existing:
+            return
+        for dist in self:
+            callback(dist)
+
+    def _added_new(self, dist):
+        for callback in self.callbacks:
+            callback(dist)
+
+    def __getstate__(self):
+        return (
+            self.entries[:], self.entry_keys.copy(), self.by_key.copy(),
+            self.callbacks[:]
+        )
+
+    def __setstate__(self, e_k_b_c):
+        entries, keys, by_key, callbacks = e_k_b_c
+        self.entries = entries[:]
+        self.entry_keys = keys.copy()
+        self.by_key = by_key.copy()
+        self.callbacks = callbacks[:]
+
+
+class _ReqExtras(dict):
+    """
+    Map each requirement to the extras that demanded it.
+    """
+
+    def markers_pass(self, req, extras=None):
+        """
+        Evaluate markers for req against each extra that
+        demanded it.
+
+        Return False if the req has a marker and fails
+        evaluation. Otherwise, return True.
+        """
+        extra_evals = (
+            req.marker.evaluate({'extra': extra})
+            for extra in self.get(req, ()) + (extras or (None,))
+        )
+        return not req.marker or any(extra_evals)
+
+
+class Environment:
+    """Searchable snapshot of distributions on a search path"""
+
+    def __init__(
+            self, search_path=None, platform=get_supported_platform(),
+            python=PY_MAJOR):
+        """Snapshot distributions available on a search path
+
+        Any distributions found on `search_path` are added to the environment.
+        `search_path` should be a sequence of ``sys.path`` items.  If not
+        supplied, ``sys.path`` is used.
+
+        `platform` is an optional string specifying the name of the platform
+        that platform-specific distributions must be compatible with.  If
+        unspecified, it defaults to the current platform.  `python` is an
+        optional string naming the desired version of Python (e.g. ``'3.6'``);
+        it defaults to the current version.
+
+        You may explicitly set `platform` (and/or `python`) to ``None`` if you
+        wish to map *all* distributions, not just those compatible with the
+        running platform or Python version.
+        """
+        self._distmap = {}
+        self.platform = platform
+        self.python = python
+        self.scan(search_path)
+
+    def can_add(self, dist):
+        """Is distribution `dist` acceptable for this environment?
+
+        The distribution must match the platform and python version
+        requirements specified when this environment was created, or False
+        is returned.
+        """
+        py_compat = (
+            self.python is None
+            or dist.py_version is None
+            or dist.py_version == self.python
+        )
+        return py_compat and compatible_platforms(dist.platform, self.platform)
+
+    def remove(self, dist):
+        """Remove `dist` from the environment"""
+        self._distmap[dist.key].remove(dist)
+
+    def scan(self, search_path=None):
+        """Scan `search_path` for distributions usable in this environment
+
+        Any distributions found are added to the environment.
+        `search_path` should be a sequence of ``sys.path`` items.  If not
+        supplied, ``sys.path`` is used.  Only distributions conforming to
+        the platform/python version defined at initialization are added.
+        """
+        if search_path is None:
+            search_path = sys.path
+
+        for item in search_path:
+            for dist in find_distributions(item):
+                self.add(dist)
+
+    def __getitem__(self, project_name):
+        """Return a newest-to-oldest list of distributions for `project_name`
+
+        Uses case-insensitive `project_name` comparison, assuming all the
+        project's distributions use their project's name converted to all
+        lowercase as their key.
+
+        """
+        distribution_key = project_name.lower()
+        return self._distmap.get(distribution_key, [])
+
+    def add(self, dist):
+        """Add `dist` if we ``can_add()`` it and it has not already been added
+        """
+        if self.can_add(dist) and dist.has_version():
+            dists = self._distmap.setdefault(dist.key, [])
+            if dist not in dists:
+                dists.append(dist)
+                dists.sort(key=operator.attrgetter('hashcmp'), reverse=True)
+
+    def best_match(
+            self, req, working_set, installer=None, replace_conflicting=False):
+        """Find distribution best matching `req` and usable on `working_set`
+
+        This calls the ``find(req)`` method of the `working_set` to see if a
+        suitable distribution is already active.  (This may raise
+        ``VersionConflict`` if an unsuitable version of the project is already
+        active in the specified `working_set`.)  If a suitable distribution
+        isn't active, this method returns the newest distribution in the
+        environment that meets the ``Requirement`` in `req`.  If no suitable
+        distribution is found, and `installer` is supplied, then the result of
+        calling the environment's ``obtain(req, installer)`` method will be
+        returned.
+        """
+        try:
+            dist = working_set.find(req)
+        except VersionConflict:
+            if not replace_conflicting:
+                raise
+            dist = None
+        if dist is not None:
+            return dist
+        for dist in self[req.key]:
+            if dist in req:
+                return dist
+        # try to download/install
+        return self.obtain(req, installer)
+
+    def obtain(self, requirement, installer=None):
+        """Obtain a distribution matching `requirement` (e.g. via download)
+
+        Obtain a distro that matches requirement (e.g. via download).  In the
+        base ``Environment`` class, this routine just returns
+        ``installer(requirement)``, unless `installer` is None, in which case
+        None is returned instead.  This method is a hook that allows subclasses
+        to attempt other ways of obtaining a distribution before falling back
+        to the `installer` argument."""
+        if installer is not None:
+            return installer(requirement)
+
+    def __iter__(self):
+        """Yield the unique project names of the available distributions"""
+        for key in self._distmap.keys():
+            if self[key]:
+                yield key
+
+    def __iadd__(self, other):
+        """In-place addition of a distribution or environment"""
+        if isinstance(other, Distribution):
+            self.add(other)
+        elif isinstance(other, Environment):
+            for project in other:
+                for dist in other[project]:
+                    self.add(dist)
+        else:
+            raise TypeError("Can't add %r to environment" % (other,))
+        return self
+
+    def __add__(self, other):
+        """Add an environment or distribution to an environment"""
+        new = self.__class__([], platform=None, python=None)
+        for env in self, other:
+            new += env
+        return new
+
+
+# XXX backward compatibility
+AvailableDistributions = Environment
+
+
+class ExtractionError(RuntimeError):
+    """An error occurred extracting a resource
+
+    The following attributes are available from instances of this exception:
+
+    manager
+        The resource manager that raised this exception
+
+    cache_path
+        The base directory for resource extraction
+
+    original_error
+        The exception instance that caused extraction to fail
+    """
+
+
+class ResourceManager:
+    """Manage resource extraction and packages"""
+    extraction_path = None
+
+    def __init__(self):
+        self.cached_files = {}
+
+    def resource_exists(self, package_or_requirement, resource_name):
+        """Does the named resource exist?"""
+        return get_provider(package_or_requirement).has_resource(resource_name)
+
+    def resource_isdir(self, package_or_requirement, resource_name):
+        """Is the named resource an existing directory?"""
+        return get_provider(package_or_requirement).resource_isdir(
+            resource_name
+        )
+
+    def resource_filename(self, package_or_requirement, resource_name):
+        """Return a true filesystem path for specified resource"""
+        return get_provider(package_or_requirement).get_resource_filename(
+            self, resource_name
+        )
+
+    def resource_stream(self, package_or_requirement, resource_name):
+        """Return a readable file-like object for specified resource"""
+        return get_provider(package_or_requirement).get_resource_stream(
+            self, resource_name
+        )
+
+    def resource_string(self, package_or_requirement, resource_name):
+        """Return specified resource as a string"""
+        return get_provider(package_or_requirement).get_resource_string(
+            self, resource_name
+        )
+
+    def resource_listdir(self, package_or_requirement, resource_name):
+        """List the contents of the named resource directory"""
+        return get_provider(package_or_requirement).resource_listdir(
+            resource_name
+        )
+
+    def extraction_error(self):
+        """Give an error message for problems extracting file(s)"""
+
+        old_exc = sys.exc_info()[1]
+        cache_path = self.extraction_path or get_default_cache()
+
+        tmpl = textwrap.dedent("""
+            Can't extract file(s) to egg cache
+
+            The following error occurred while trying to extract file(s)
+            to the Python egg cache:
+
+              {old_exc}
+
+            The Python egg cache directory is currently set to:
+
+              {cache_path}
+
+            Perhaps your account does not have write access to this directory?
+            You can change the cache directory by setting the PYTHON_EGG_CACHE
+            environment variable to point to an accessible directory.
+            """).lstrip()
+        err = ExtractionError(tmpl.format(**locals()))
+        err.manager = self
+        err.cache_path = cache_path
+        err.original_error = old_exc
+        raise err
+
+    def get_cache_path(self, archive_name, names=()):
+        """Return absolute location in cache for `archive_name` and `names`
+
+        The parent directory of the resulting path will be created if it does
+        not already exist.  `archive_name` should be the base filename of the
+        enclosing egg (which may not be the name of the enclosing zipfile!),
+        including its ".egg" extension.  `names`, if provided, should be a
+        sequence of path name parts "under" the egg's extraction location.
+
+        This method should only be called by resource providers that need to
+        obtain an extraction location, and only for names they intend to
+        extract, as it tracks the generated names for possible cleanup later.
+        """
+        extract_path = self.extraction_path or get_default_cache()
+        target_path = os.path.join(extract_path, archive_name + '-tmp', *names)
+        try:
+            _bypass_ensure_directory(target_path)
+        except Exception:
+            self.extraction_error()
+
+        self._warn_unsafe_extraction_path(extract_path)
+
+        self.cached_files[target_path] = 1
+        return target_path
+
+    @staticmethod
+    def _warn_unsafe_extraction_path(path):
+        """
+        If the default extraction path is overridden and set to an insecure
+        location, such as /tmp, it opens up an opportunity for an attacker to
+        replace an extracted file with an unauthorized payload. Warn the user
+        if a known insecure location is used.
+
+        See Distribute #375 for more details.
+        """
+        if os.name == 'nt' and not path.startswith(os.environ['windir']):
+            # On Windows, permissions are generally restrictive by default
+            #  and temp directories are not writable by other users, so
+            #  bypass the warning.
+            return
+        mode = os.stat(path).st_mode
+        if mode & stat.S_IWOTH or mode & stat.S_IWGRP:
+            msg = (
+                "Extraction path is writable by group/others "
+                "and vulnerable to attack when "
+                "used with get_resource_filename ({path}). "
+                "Consider a more secure "
+                "location (set with .set_extraction_path or the "
+                "PYTHON_EGG_CACHE environment variable)."
+            ).format(**locals())
+            warnings.warn(msg, UserWarning)
+
+    def postprocess(self, tempname, filename):
+        """Perform any platform-specific postprocessing of `tempname`
+
+        This is where Mac header rewrites should be done; other platforms don't
+        have anything special they should do.
+
+        Resource providers should call this method ONLY after successfully
+        extracting a compressed resource.  They must NOT call it on resources
+        that are already in the filesystem.
+
+        `tempname` is the current (temporary) name of the file, and `filename`
+        is the name it will be renamed to by the caller after this routine
+        returns.
+        """
+
+        if os.name == 'posix':
+            # Make the resource executable
+            mode = ((os.stat(tempname).st_mode) | 0o555) & 0o7777
+            os.chmod(tempname, mode)
+
+    def set_extraction_path(self, path):
+        """Set the base path where resources will be extracted to, if needed.
+
+        If you do not call this routine before any extractions take place, the
+        path defaults to the return value of ``get_default_cache()``.  (Which
+        is based on the ``PYTHON_EGG_CACHE`` environment variable, with various
+        platform-specific fallbacks.  See that routine's documentation for more
+        details.)
+
+        Resources are extracted to subdirectories of this path based upon
+        information given by the ``IResourceProvider``.  You may set this to a
+        temporary directory, but then you must call ``cleanup_resources()`` to
+        delete the extracted files when done.  There is no guarantee that
+        ``cleanup_resources()`` will be able to remove all extracted files.
+
+        (Note: you may not change the extraction path for a given resource
+        manager once resources have been extracted, unless you first call
+        ``cleanup_resources()``.)
+        """
+        if self.cached_files:
+            raise ValueError(
+                "Can't change extraction path, files already extracted"
+            )
+
+        self.extraction_path = path
+
+    def cleanup_resources(self, force=False):
+        """
+        Delete all extracted resource files and directories, returning a list
+        of the file and directory names that could not be successfully removed.
+        This function does not have any concurrency protection, so it should
+        generally only be called when the extraction path is a temporary
+        directory exclusive to a single process.  This method is not
+        automatically called; you must call it explicitly or register it as an
+        ``atexit`` function if you wish to ensure cleanup of a temporary
+        directory used for extractions.
+        """
+        # XXX
+
+
+def get_default_cache():
+    """
+    Return the ``PYTHON_EGG_CACHE`` environment variable
+    or a platform-relevant user cache dir for an app
+    named "Python-Eggs".
+    """
+    return (
+        os.environ.get('PYTHON_EGG_CACHE')
+        or appdirs.user_cache_dir(appname='Python-Eggs')
+    )
+
+
+def safe_name(name):
+    """Convert an arbitrary string to a standard distribution name
+
+    Any runs of non-alphanumeric/. characters are replaced with a single '-'.
+    """
+    return re.sub('[^A-Za-z0-9.]+', '-', name)
+
+
+def safe_version(version):
+    """
+    Convert an arbitrary string to a standard version string
+    """
+    try:
+        # normalize the version
+        return str(packaging.version.Version(version))
+    except packaging.version.InvalidVersion:
+        version = version.replace(' ', '.')
+        return re.sub('[^A-Za-z0-9.]+', '-', version)
+
+
+def safe_extra(extra):
+    """Convert an arbitrary string to a standard 'extra' name
+
+    Any runs of non-alphanumeric characters are replaced with a single '_',
+    and the result is always lowercased.
+    """
+    return re.sub('[^A-Za-z0-9.-]+', '_', extra).lower()
+
+
+def to_filename(name):
+    """Convert a project or version name to its filename-escaped form
+
+    Any '-' characters are currently replaced with '_'.
+    """
+    return name.replace('-', '_')
+
+
+def invalid_marker(text):
+    """
+    Validate text as a PEP 508 environment marker; return an exception
+    if invalid or False otherwise.
+    """
+    try:
+        evaluate_marker(text)
+    except SyntaxError as e:
+        e.filename = None
+        e.lineno = None
+        return e
+    return False
+
+
+def evaluate_marker(text, extra=None):
+    """
+    Evaluate a PEP 508 environment marker.
+    Return a boolean indicating the marker result in this environment.
+    Raise SyntaxError if marker is invalid.
+
+    This implementation uses the 'pyparsing' module.
+    """
+    try:
+        marker = packaging.markers.Marker(text)
+        return marker.evaluate()
+    except packaging.markers.InvalidMarker as e:
+        raise SyntaxError(e) from e
+
+
+class NullProvider:
+    """Try to implement resources and metadata for arbitrary PEP 302 loaders"""
+
+    egg_name = None
+    egg_info = None
+    loader = None
+
+    def __init__(self, module):
+        self.loader = getattr(module, '__loader__', None)
+        self.module_path = os.path.dirname(getattr(module, '__file__', ''))
+
+    def get_resource_filename(self, manager, resource_name):
+        return self._fn(self.module_path, resource_name)
+
+    def get_resource_stream(self, manager, resource_name):
+        return io.BytesIO(self.get_resource_string(manager, resource_name))
+
+    def get_resource_string(self, manager, resource_name):
+        return self._get(self._fn(self.module_path, resource_name))
+
+    def has_resource(self, resource_name):
+        return self._has(self._fn(self.module_path, resource_name))
+
+    def _get_metadata_path(self, name):
+        return self._fn(self.egg_info, name)
+
+    def has_metadata(self, name):
+        if not self.egg_info:
+            return self.egg_info
+
+        path = self._get_metadata_path(name)
+        return self._has(path)
+
+    def get_metadata(self, name):
+        if not self.egg_info:
+            return ""
+        path = self._get_metadata_path(name)
+        value = self._get(path)
+        try:
+            return value.decode('utf-8')
+        except UnicodeDecodeError as exc:
+            # Include the path in the error message to simplify
+            # troubleshooting, and without changing the exception type.
+            exc.reason += ' in {} file at path: {}'.format(name, path)
+            raise
+
+    def get_metadata_lines(self, name):
+        return yield_lines(self.get_metadata(name))
+
+    def resource_isdir(self, resource_name):
+        return self._isdir(self._fn(self.module_path, resource_name))
+
+    def metadata_isdir(self, name):
+        return self.egg_info and self._isdir(self._fn(self.egg_info, name))
+
+    def resource_listdir(self, resource_name):
+        return self._listdir(self._fn(self.module_path, resource_name))
+
+    def metadata_listdir(self, name):
+        if self.egg_info:
+            return self._listdir(self._fn(self.egg_info, name))
+        return []
+
+    def run_script(self, script_name, namespace):
+        script = 'scripts/' + script_name
+        if not self.has_metadata(script):
+            raise ResolutionError(
+                "Script {script!r} not found in metadata at {self.egg_info!r}"
+                .format(**locals()),
+            )
+        script_text = self.get_metadata(script).replace('\r\n', '\n')
+        script_text = script_text.replace('\r', '\n')
+        script_filename = self._fn(self.egg_info, script)
+        namespace['__file__'] = script_filename
+        if os.path.exists(script_filename):
+            with open(script_filename) as fid:
+                source = fid.read()
+            code = compile(source, script_filename, 'exec')
+            exec(code, namespace, namespace)
+        else:
+            from linecache import cache
+            cache[script_filename] = (
+                len(script_text), 0, script_text.split('\n'), script_filename
+            )
+            script_code = compile(script_text, script_filename, 'exec')
+            exec(script_code, namespace, namespace)
+
+    def _has(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _isdir(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _listdir(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _fn(self, base, resource_name):
+        self._validate_resource_path(resource_name)
+        if resource_name:
+            return os.path.join(base, *resource_name.split('/'))
+        return base
+
+    @staticmethod
+    def _validate_resource_path(path):
+        """
+        Validate the resource paths according to the docs.
+        https://setuptools.pypa.io/en/latest/pkg_resources.html#basic-resource-access
+
+        >>> warned = getfixture('recwarn')
+        >>> warnings.simplefilter('always')
+        >>> vrp = NullProvider._validate_resource_path
+        >>> vrp('foo/bar.txt')
+        >>> bool(warned)
+        False
+        >>> vrp('../foo/bar.txt')
+        >>> bool(warned)
+        True
+        >>> warned.clear()
+        >>> vrp('/foo/bar.txt')
+        >>> bool(warned)
+        True
+        >>> vrp('foo/../../bar.txt')
+        >>> bool(warned)
+        True
+        >>> warned.clear()
+        >>> vrp('foo/f../bar.txt')
+        >>> bool(warned)
+        False
+
+        Windows path separators are straight-up disallowed.
+        >>> vrp(r'\\foo/bar.txt')
+        Traceback (most recent call last):
+        ...
+        ValueError: Use of .. or absolute path in a resource path \
+is not allowed.
+
+        >>> vrp(r'C:\\foo/bar.txt')
+        Traceback (most recent call last):
+        ...
+        ValueError: Use of .. or absolute path in a resource path \
+is not allowed.
+
+        Blank values are allowed
+
+        >>> vrp('')
+        >>> bool(warned)
+        False
+
+        Non-string values are not.
+
+        >>> vrp(None)
+        Traceback (most recent call last):
+        ...
+        AttributeError: ...
+        """
+        invalid = (
+            os.path.pardir in path.split(posixpath.sep) or
+            posixpath.isabs(path) or
+            ntpath.isabs(path)
+        )
+        if not invalid:
+            return
+
+        msg = "Use of .. or absolute path in a resource path is not allowed."
+
+        # Aggressively disallow Windows absolute paths
+        if ntpath.isabs(path) and not posixpath.isabs(path):
+            raise ValueError(msg)
+
+        # for compatibility, warn; in future
+        # raise ValueError(msg)
+        warnings.warn(
+            msg[:-1] + " and will raise exceptions in a future release.",
+            DeprecationWarning,
+            stacklevel=4,
+        )
+
+    def _get(self, path):
+        if hasattr(self.loader, 'get_data'):
+            return self.loader.get_data(path)
+        raise NotImplementedError(
+            "Can't perform this operation for loaders without 'get_data()'"
+        )
+
+
+register_loader_type(object, NullProvider)
+
+
+def _parents(path):
+    """
+    yield all parents of path including path
+    """
+    last = None
+    while path != last:
+        yield path
+        last = path
+        path, _ = os.path.split(path)
+
+
+class EggProvider(NullProvider):
+    """Provider based on a virtual filesystem"""
+
+    def __init__(self, module):
+        NullProvider.__init__(self, module)
+        self._setup_prefix()
+
+    def _setup_prefix(self):
+        # Assume that metadata may be nested inside a "basket"
+        # of multiple eggs and use module_path instead of .archive.
+        eggs = filter(_is_egg_path, _parents(self.module_path))
+        egg = next(eggs, None)
+        egg and self._set_egg(egg)
+
+    def _set_egg(self, path):
+        self.egg_name = os.path.basename(path)
+        self.egg_info = os.path.join(path, 'EGG-INFO')
+        self.egg_root = path
+
+
+class DefaultProvider(EggProvider):
+    """Provides access to package resources in the filesystem"""
+
+    def _has(self, path):
+        return os.path.exists(path)
+
+    def _isdir(self, path):
+        return os.path.isdir(path)
+
+    def _listdir(self, path):
+        return os.listdir(path)
+
+    def get_resource_stream(self, manager, resource_name):
+        return open(self._fn(self.module_path, resource_name), 'rb')
+
+    def _get(self, path):
+        with open(path, 'rb') as stream:
+            return stream.read()
+
+    @classmethod
+    def _register(cls):
+        loader_names = 'SourceFileLoader', 'SourcelessFileLoader',
+        for name in loader_names:
+            loader_cls = getattr(importlib_machinery, name, type(None))
+            register_loader_type(loader_cls, cls)
+
+
+DefaultProvider._register()
+
+
+class EmptyProvider(NullProvider):
+    """Provider that returns nothing for all requests"""
+
+    module_path = None
+
+    _isdir = _has = lambda self, path: False
+
+    def _get(self, path):
+        return ''
+
+    def _listdir(self, path):
+        return []
+
+    def __init__(self):
+        pass
+
+
+empty_provider = EmptyProvider()
+
+
+class ZipManifests(dict):
+    """
+    zip manifest builder
+    """
+
+    @classmethod
+    def build(cls, path):
+        """
+        Build a dictionary similar to the zipimport directory
+        caches, except instead of tuples, store ZipInfo objects.
+
+        Use a platform-specific path separator (os.sep) for the path keys
+        for compatibility with pypy on Windows.
+        """
+        with zipfile.ZipFile(path) as zfile:
+            items = (
+                (
+                    name.replace('/', os.sep),
+                    zfile.getinfo(name),
+                )
+                for name in zfile.namelist()
+            )
+            return dict(items)
+
+    load = build
+
+
+class MemoizedZipManifests(ZipManifests):
+    """
+    Memoized zipfile manifests.
+    """
+    manifest_mod = collections.namedtuple('manifest_mod', 'manifest mtime')
+
+    def load(self, path):
+        """
+        Load a manifest at path or return a suitable manifest already loaded.
+        """
+        path = os.path.normpath(path)
+        mtime = os.stat(path).st_mtime
+
+        if path not in self or self[path].mtime != mtime:
+            manifest = self.build(path)
+            self[path] = self.manifest_mod(manifest, mtime)
+
+        return self[path].manifest
+
+
+class ZipProvider(EggProvider):
+    """Resource support for zips and eggs"""
+
+    eagers = None
+    _zip_manifests = MemoizedZipManifests()
+
+    def __init__(self, module):
+        EggProvider.__init__(self, module)
+        self.zip_pre = self.loader.archive + os.sep
+
+    def _zipinfo_name(self, fspath):
+        # Convert a virtual filename (full path to file) into a zipfile subpath
+        # usable with the zipimport directory cache for our target archive
+        fspath = fspath.rstrip(os.sep)
+        if fspath == self.loader.archive:
+            return ''
+        if fspath.startswith(self.zip_pre):
+            return fspath[len(self.zip_pre):]
+        raise AssertionError(
+            "%s is not a subpath of %s" % (fspath, self.zip_pre)
+        )
+
+    def _parts(self, zip_path):
+        # Convert a zipfile subpath into an egg-relative path part list.
+        # pseudo-fs path
+        fspath = self.zip_pre + zip_path
+        if fspath.startswith(self.egg_root + os.sep):
+            return fspath[len(self.egg_root) + 1:].split(os.sep)
+        raise AssertionError(
+            "%s is not a subpath of %s" % (fspath, self.egg_root)
+        )
+
+    @property
+    def zipinfo(self):
+        return self._zip_manifests.load(self.loader.archive)
+
+    def get_resource_filename(self, manager, resource_name):
+        if not self.egg_name:
+            raise NotImplementedError(
+                "resource_filename() only supported for .egg, not .zip"
+            )
+        # no need to lock for extraction, since we use temp names
+        zip_path = self._resource_to_zip(resource_name)
+        eagers = self._get_eager_resources()
+        if '/'.join(self._parts(zip_path)) in eagers:
+            for name in eagers:
+                self._extract_resource(manager, self._eager_to_zip(name))
+        return self._extract_resource(manager, zip_path)
+
+    @staticmethod
+    def _get_date_and_size(zip_stat):
+        size = zip_stat.file_size
+        # ymdhms+wday, yday, dst
+        date_time = zip_stat.date_time + (0, 0, -1)
+        # 1980 offset already done
+        timestamp = time.mktime(date_time)
+        return timestamp, size
+
+    # FIXME: 'ZipProvider._extract_resource' is too complex (12)
+    def _extract_resource(self, manager, zip_path):  # noqa: C901
+
+        if zip_path in self._index():
+            for name in self._index()[zip_path]:
+                last = self._extract_resource(
+                    manager, os.path.join(zip_path, name)
+                )
+            # return the extracted directory name
+            return os.path.dirname(last)
+
+        timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
+
+        if not WRITE_SUPPORT:
+            raise IOError('"os.rename" and "os.unlink" are not supported '
+                          'on this platform')
+        try:
+
+            real_path = manager.get_cache_path(
+                self.egg_name, self._parts(zip_path)
+            )
+
+            if self._is_current(real_path, zip_path):
+                return real_path
+
+            outf, tmpnam = _mkstemp(
+                ".$extract",
+                dir=os.path.dirname(real_path),
+            )
+            os.write(outf, self.loader.get_data(zip_path))
+            os.close(outf)
+            utime(tmpnam, (timestamp, timestamp))
+            manager.postprocess(tmpnam, real_path)
+
+            try:
+                rename(tmpnam, real_path)
+
+            except os.error:
+                if os.path.isfile(real_path):
+                    if self._is_current(real_path, zip_path):
+                        # the file became current since it was checked above,
+                        #  so proceed.
+                        return real_path
+                    # Windows, del old file and retry
+                    elif os.name == 'nt':
+                        unlink(real_path)
+                        rename(tmpnam, real_path)
+                        return real_path
+                raise
+
+        except os.error:
+            # report a user-friendly error
+            manager.extraction_error()
+
+        return real_path
+
+    def _is_current(self, file_path, zip_path):
+        """
+        Return True if the file_path is current for this zip_path
+        """
+        timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
+        if not os.path.isfile(file_path):
+            return False
+        stat = os.stat(file_path)
+        if stat.st_size != size or stat.st_mtime != timestamp:
+            return False
+        # check that the contents match
+        zip_contents = self.loader.get_data(zip_path)
+        with open(file_path, 'rb') as f:
+            file_contents = f.read()
+        return zip_contents == file_contents
+
+    def _get_eager_resources(self):
+        if self.eagers is None:
+            eagers = []
+            for name in ('native_libs.txt', 'eager_resources.txt'):
+                if self.has_metadata(name):
+                    eagers.extend(self.get_metadata_lines(name))
+            self.eagers = eagers
+        return self.eagers
+
+    def _index(self):
+        try:
+            return self._dirindex
+        except AttributeError:
+            ind = {}
+            for path in self.zipinfo:
+                parts = path.split(os.sep)
+                while parts:
+                    parent = os.sep.join(parts[:-1])
+                    if parent in ind:
+                        ind[parent].append(parts[-1])
+                        break
+                    else:
+                        ind[parent] = [parts.pop()]
+            self._dirindex = ind
+            return ind
+
+    def _has(self, fspath):
+        zip_path = self._zipinfo_name(fspath)
+        return zip_path in self.zipinfo or zip_path in self._index()
+
+    def _isdir(self, fspath):
+        return self._zipinfo_name(fspath) in self._index()
+
+    def _listdir(self, fspath):
+        return list(self._index().get(self._zipinfo_name(fspath), ()))
+
+    def _eager_to_zip(self, resource_name):
+        return self._zipinfo_name(self._fn(self.egg_root, resource_name))
+
+    def _resource_to_zip(self, resource_name):
+        return self._zipinfo_name(self._fn(self.module_path, resource_name))
+
+
+register_loader_type(zipimport.zipimporter, ZipProvider)
+
+
+class FileMetadata(EmptyProvider):
+    """Metadata handler for standalone PKG-INFO files
+
+    Usage::
+
+        metadata = FileMetadata("/path/to/PKG-INFO")
+
+    This provider rejects all data and metadata requests except for PKG-INFO,
+    which is treated as existing, and will be the contents of the file at
+    the provided location.
+    """
+
+    def __init__(self, path):
+        self.path = path
+
+    def _get_metadata_path(self, name):
+        return self.path
+
+    def has_metadata(self, name):
+        return name == 'PKG-INFO' and os.path.isfile(self.path)
+
+    def get_metadata(self, name):
+        if name != 'PKG-INFO':
+            raise KeyError("No metadata except PKG-INFO is available")
+
+        with io.open(self.path, encoding='utf-8', errors="replace") as f:
+            metadata = f.read()
+        self._warn_on_replacement(metadata)
+        return metadata
+
+    def _warn_on_replacement(self, metadata):
+        replacement_char = '�'
+        if replacement_char in metadata:
+            tmpl = "{self.path} could not be properly decoded in UTF-8"
+            msg = tmpl.format(**locals())
+            warnings.warn(msg)
+
+    def get_metadata_lines(self, name):
+        return yield_lines(self.get_metadata(name))
+
+
+class PathMetadata(DefaultProvider):
+    """Metadata provider for egg directories
+
+    Usage::
+
+        # Development eggs:
+
+        egg_info = "/path/to/PackageName.egg-info"
+        base_dir = os.path.dirname(egg_info)
+        metadata = PathMetadata(base_dir, egg_info)
+        dist_name = os.path.splitext(os.path.basename(egg_info))[0]
+        dist = Distribution(basedir, project_name=dist_name, metadata=metadata)
+
+        # Unpacked egg directories:
+
+        egg_path = "/path/to/PackageName-ver-pyver-etc.egg"
+        metadata = PathMetadata(egg_path, os.path.join(egg_path,'EGG-INFO'))
+        dist = Distribution.from_filename(egg_path, metadata=metadata)
+    """
+
+    def __init__(self, path, egg_info):
+        self.module_path = path
+        self.egg_info = egg_info
+
+
+class EggMetadata(ZipProvider):
+    """Metadata provider for .egg files"""
+
+    def __init__(self, importer):
+        """Create a metadata provider from a zipimporter"""
+
+        self.zip_pre = importer.archive + os.sep
+        self.loader = importer
+        if importer.prefix:
+            self.module_path = os.path.join(importer.archive, importer.prefix)
+        else:
+            self.module_path = importer.archive
+        self._setup_prefix()
+
+
+_declare_state('dict', _distribution_finders={})
+
+
+def register_finder(importer_type, distribution_finder):
+    """Register `distribution_finder` to find distributions in sys.path items
+
+    `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item
+    handler), and `distribution_finder` is a callable that, passed a path
+    item and the importer instance, yields ``Distribution`` instances found on
+    that path item.  See ``pkg_resources.find_on_path`` for an example."""
+    _distribution_finders[importer_type] = distribution_finder
+
+
+def find_distributions(path_item, only=False):
+    """Yield distributions accessible via `path_item`"""
+    importer = get_importer(path_item)
+    finder = _find_adapter(_distribution_finders, importer)
+    return finder(importer, path_item, only)
+
+
+def find_eggs_in_zip(importer, path_item, only=False):
+    """
+    Find eggs in zip files; possibly multiple nested eggs.
+    """
+    if importer.archive.endswith('.whl'):
+        # wheels are not supported with this finder
+        # they don't have PKG-INFO metadata, and won't ever contain eggs
+        return
+    metadata = EggMetadata(importer)
+    if metadata.has_metadata('PKG-INFO'):
+        yield Distribution.from_filename(path_item, metadata=metadata)
+    if only:
+        # don't yield nested distros
+        return
+    for subitem in metadata.resource_listdir(''):
+        if _is_egg_path(subitem):
+            subpath = os.path.join(path_item, subitem)
+            dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath)
+            for dist in dists:
+                yield dist
+        elif subitem.lower().endswith(('.dist-info', '.egg-info')):
+            subpath = os.path.join(path_item, subitem)
+            submeta = EggMetadata(zipimport.zipimporter(subpath))
+            submeta.egg_info = subpath
+            yield Distribution.from_location(path_item, subitem, submeta)
+
+
+register_finder(zipimport.zipimporter, find_eggs_in_zip)
+
+
+def find_nothing(importer, path_item, only=False):
+    return ()
+
+
+register_finder(object, find_nothing)
+
+
+def _by_version_descending(names):
+    """
+    Given a list of filenames, return them in descending order
+    by version number.
+
+    >>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg'
+    >>> _by_version_descending(names)
+    ['Python-2.7.10.egg', 'Python-2.7.2.egg', 'bar', 'foo']
+    >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg'
+    >>> _by_version_descending(names)
+    ['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg']
+    >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg'
+    >>> _by_version_descending(names)
+    ['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg']
+    """
+    def try_parse(name):
+        """
+        Attempt to parse as a version or return a null version.
+        """
+        try:
+            return packaging.version.Version(name)
+        except Exception:
+            return packaging.version.Version('0')
+
+    def _by_version(name):
+        """
+        Parse each component of the filename
+        """
+        name, ext = os.path.splitext(name)
+        parts = itertools.chain(name.split('-'), [ext])
+        return [try_parse(part) for part in parts]
+
+    return sorted(names, key=_by_version, reverse=True)
+
+
+def find_on_path(importer, path_item, only=False):
+    """Yield distributions accessible on a sys.path directory"""
+    path_item = _normalize_cached(path_item)
+
+    if _is_unpacked_egg(path_item):
+        yield Distribution.from_filename(
+            path_item, metadata=PathMetadata(
+                path_item, os.path.join(path_item, 'EGG-INFO')
+            )
+        )
+        return
+
+    entries = (
+        os.path.join(path_item, child)
+        for child in safe_listdir(path_item)
+    )
+
+    # for performance, before sorting by version,
+    # screen entries for only those that will yield
+    # distributions
+    filtered = (
+        entry
+        for entry in entries
+        if dist_factory(path_item, entry, only)
+    )
+
+    # scan for .egg and .egg-info in directory
+    path_item_entries = _by_version_descending(filtered)
+    for entry in path_item_entries:
+        fullpath = os.path.join(path_item, entry)
+        factory = dist_factory(path_item, entry, only)
+        for dist in factory(fullpath):
+            yield dist
+
+
+def dist_factory(path_item, entry, only):
+    """Return a dist_factory for the given entry."""
+    lower = entry.lower()
+    is_egg_info = lower.endswith('.egg-info')
+    is_dist_info = (
+        lower.endswith('.dist-info') and
+        os.path.isdir(os.path.join(path_item, entry))
+    )
+    is_meta = is_egg_info or is_dist_info
+    return (
+        distributions_from_metadata
+        if is_meta else
+        find_distributions
+        if not only and _is_egg_path(entry) else
+        resolve_egg_link
+        if not only and lower.endswith('.egg-link') else
+        NoDists()
+    )
+
+
+class NoDists:
+    """
+    >>> bool(NoDists())
+    False
+
+    >>> list(NoDists()('anything'))
+    []
+    """
+    def __bool__(self):
+        return False
+
+    def __call__(self, fullpath):
+        return iter(())
+
+
+def safe_listdir(path):
+    """
+    Attempt to list contents of path, but suppress some exceptions.
+    """
+    try:
+        return os.listdir(path)
+    except (PermissionError, NotADirectoryError):
+        pass
+    except OSError as e:
+        # Ignore the directory if does not exist, not a directory or
+        # permission denied
+        if e.errno not in (errno.ENOTDIR, errno.EACCES, errno.ENOENT):
+            raise
+    return ()
+
+
+def distributions_from_metadata(path):
+    root = os.path.dirname(path)
+    if os.path.isdir(path):
+        if len(os.listdir(path)) == 0:
+            # empty metadata dir; skip
+            return
+        metadata = PathMetadata(root, path)
+    else:
+        metadata = FileMetadata(path)
+    entry = os.path.basename(path)
+    yield Distribution.from_location(
+        root, entry, metadata, precedence=DEVELOP_DIST,
+    )
+
+
+def non_empty_lines(path):
+    """
+    Yield non-empty lines from file at path
+    """
+    with open(path) as f:
+        for line in f:
+            line = line.strip()
+            if line:
+                yield line
+
+
+def resolve_egg_link(path):
+    """
+    Given a path to an .egg-link, resolve distributions
+    present in the referenced path.
+    """
+    referenced_paths = non_empty_lines(path)
+    resolved_paths = (
+        os.path.join(os.path.dirname(path), ref)
+        for ref in referenced_paths
+    )
+    dist_groups = map(find_distributions, resolved_paths)
+    return next(dist_groups, ())
+
+
+register_finder(pkgutil.ImpImporter, find_on_path)
+
+if hasattr(importlib_machinery, 'FileFinder'):
+    register_finder(importlib_machinery.FileFinder, find_on_path)
+
+_declare_state('dict', _namespace_handlers={})
+_declare_state('dict', _namespace_packages={})
+
+
+def register_namespace_handler(importer_type, namespace_handler):
+    """Register `namespace_handler` to declare namespace packages
+
+    `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item
+    handler), and `namespace_handler` is a callable like this::
+
+        def namespace_handler(importer, path_entry, moduleName, module):
+            # return a path_entry to use for child packages
+
+    Namespace handlers are only called if the importer object has already
+    agreed that it can handle the relevant path item, and they should only
+    return a subpath if the module __path__ does not already contain an
+    equivalent subpath.  For an example namespace handler, see
+    ``pkg_resources.file_ns_handler``.
+    """
+    _namespace_handlers[importer_type] = namespace_handler
+
+
+def _handle_ns(packageName, path_item):
+    """Ensure that named package includes a subpath of path_item (if needed)"""
+
+    importer = get_importer(path_item)
+    if importer is None:
+        return None
+
+    # use find_spec (PEP 451) and fall-back to find_module (PEP 302)
+    try:
+        loader = importer.find_spec(packageName).loader
+    except AttributeError:
+        # capture warnings due to #1111
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            loader = importer.find_module(packageName)
+
+    if loader is None:
+        return None
+    module = sys.modules.get(packageName)
+    if module is None:
+        module = sys.modules[packageName] = types.ModuleType(packageName)
+        module.__path__ = []
+        _set_parent_ns(packageName)
+    elif not hasattr(module, '__path__'):
+        raise TypeError("Not a package:", packageName)
+    handler = _find_adapter(_namespace_handlers, importer)
+    subpath = handler(importer, path_item, packageName, module)
+    if subpath is not None:
+        path = module.__path__
+        path.append(subpath)
+        importlib.import_module(packageName)
+        _rebuild_mod_path(path, packageName, module)
+    return subpath
+
+
+def _rebuild_mod_path(orig_path, package_name, module):
+    """
+    Rebuild module.__path__ ensuring that all entries are ordered
+    corresponding to their sys.path order
+    """
+    sys_path = [_normalize_cached(p) for p in sys.path]
+
+    def safe_sys_path_index(entry):
+        """
+        Workaround for #520 and #513.
+        """
+        try:
+            return sys_path.index(entry)
+        except ValueError:
+            return float('inf')
+
+    def position_in_sys_path(path):
+        """
+        Return the ordinal of the path based on its position in sys.path
+        """
+        path_parts = path.split(os.sep)
+        module_parts = package_name.count('.') + 1
+        parts = path_parts[:-module_parts]
+        return safe_sys_path_index(_normalize_cached(os.sep.join(parts)))
+
+    new_path = sorted(orig_path, key=position_in_sys_path)
+    new_path = [_normalize_cached(p) for p in new_path]
+
+    if isinstance(module.__path__, list):
+        module.__path__[:] = new_path
+    else:
+        module.__path__ = new_path
+
+
+def declare_namespace(packageName):
+    """Declare that package 'packageName' is a namespace package"""
+
+    _imp.acquire_lock()
+    try:
+        if packageName in _namespace_packages:
+            return
+
+        path = sys.path
+        parent, _, _ = packageName.rpartition('.')
+
+        if parent:
+            declare_namespace(parent)
+            if parent not in _namespace_packages:
+                __import__(parent)
+            try:
+                path = sys.modules[parent].__path__
+            except AttributeError as e:
+                raise TypeError("Not a package:", parent) from e
+
+        # Track what packages are namespaces, so when new path items are added,
+        # they can be updated
+        _namespace_packages.setdefault(parent or None, []).append(packageName)
+        _namespace_packages.setdefault(packageName, [])
+
+        for path_item in path:
+            # Ensure all the parent's path items are reflected in the child,
+            # if they apply
+            _handle_ns(packageName, path_item)
+
+    finally:
+        _imp.release_lock()
+
+
+def fixup_namespace_packages(path_item, parent=None):
+    """Ensure that previously-declared namespace packages include path_item"""
+    _imp.acquire_lock()
+    try:
+        for package in _namespace_packages.get(parent, ()):
+            subpath = _handle_ns(package, path_item)
+            if subpath:
+                fixup_namespace_packages(subpath, package)
+    finally:
+        _imp.release_lock()
+
+
+def file_ns_handler(importer, path_item, packageName, module):
+    """Compute an ns-package subpath for a filesystem or zipfile importer"""
+
+    subpath = os.path.join(path_item, packageName.split('.')[-1])
+    normalized = _normalize_cached(subpath)
+    for item in module.__path__:
+        if _normalize_cached(item) == normalized:
+            break
+    else:
+        # Only return the path if it's not already there
+        return subpath
+
+
+register_namespace_handler(pkgutil.ImpImporter, file_ns_handler)
+register_namespace_handler(zipimport.zipimporter, file_ns_handler)
+
+if hasattr(importlib_machinery, 'FileFinder'):
+    register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler)
+
+
+def null_ns_handler(importer, path_item, packageName, module):
+    return None
+
+
+register_namespace_handler(object, null_ns_handler)
+
+
+def normalize_path(filename):
+    """Normalize a file/dir name for comparison purposes"""
+    return os.path.normcase(os.path.realpath(os.path.normpath(
+        _cygwin_patch(filename))))
+
+
+def _cygwin_patch(filename):  # pragma: nocover
+    """
+    Contrary to POSIX 2008, on Cygwin, getcwd (3) contains
+    symlink components. Using
+    os.path.abspath() works around this limitation. A fix in os.getcwd()
+    would probably better, in Cygwin even more so, except
+    that this seems to be by design...
+    """
+    return os.path.abspath(filename) if sys.platform == 'cygwin' else filename
+
+
+def _normalize_cached(filename, _cache={}):
+    try:
+        return _cache[filename]
+    except KeyError:
+        _cache[filename] = result = normalize_path(filename)
+        return result
+
+
+def _is_egg_path(path):
+    """
+    Determine if given path appears to be an egg.
+    """
+    return _is_zip_egg(path) or _is_unpacked_egg(path)
+
+
+def _is_zip_egg(path):
+    return (
+        path.lower().endswith('.egg') and
+        os.path.isfile(path) and
+        zipfile.is_zipfile(path)
+    )
+
+
+def _is_unpacked_egg(path):
+    """
+    Determine if given path appears to be an unpacked egg.
+    """
+    return (
+        path.lower().endswith('.egg') and
+        os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO'))
+    )
+
+
+def _set_parent_ns(packageName):
+    parts = packageName.split('.')
+    name = parts.pop()
+    if parts:
+        parent = '.'.join(parts)
+        setattr(sys.modules[parent], name, sys.modules[packageName])
+
+
+def _nonblank(str):
+    return str and not str.startswith('#')
+
+
+@functools.singledispatch
+def yield_lines(iterable):
+    """Yield valid lines of a string or iterable"""
+    return itertools.chain.from_iterable(map(yield_lines, iterable))
+
+
+@yield_lines.register(str)
+def _(text):
+    return filter(_nonblank, map(str.strip, text.splitlines()))
+
+
+MODULE = re.compile(r"\w+(\.\w+)*$").match
+EGG_NAME = re.compile(
+    r"""
+    (?P<name>[^-]+) (
+        -(?P<ver>[^-]+) (
+            -py(?P<pyver>[^-]+) (
+                -(?P<plat>.+)
+            )?
+        )?
+    )?
+    """,
+    re.VERBOSE | re.IGNORECASE,
+).match
+
+
+class EntryPoint:
+    """Object representing an advertised importable object"""
+
+    def __init__(self, name, module_name, attrs=(), extras=(), dist=None):
+        if not MODULE(module_name):
+            raise ValueError("Invalid module name", module_name)
+        self.name = name
+        self.module_name = module_name
+        self.attrs = tuple(attrs)
+        self.extras = tuple(extras)
+        self.dist = dist
+
+    def __str__(self):
+        s = "%s = %s" % (self.name, self.module_name)
+        if self.attrs:
+            s += ':' + '.'.join(self.attrs)
+        if self.extras:
+            s += ' [%s]' % ','.join(self.extras)
+        return s
+
+    def __repr__(self):
+        return "EntryPoint.parse(%r)" % str(self)
+
+    def load(self, require=True, *args, **kwargs):
+        """
+        Require packages for this EntryPoint, then resolve it.
+        """
+        if not require or args or kwargs:
+            warnings.warn(
+                "Parameters to load are deprecated.  Call .resolve and "
+                ".require separately.",
+                PkgResourcesDeprecationWarning,
+                stacklevel=2,
+            )
+        if require:
+            self.require(*args, **kwargs)
+        return self.resolve()
+
+    def resolve(self):
+        """
+        Resolve the entry point from its module and attrs.
+        """
+        module = __import__(self.module_name, fromlist=['__name__'], level=0)
+        try:
+            return functools.reduce(getattr, self.attrs, module)
+        except AttributeError as exc:
+            raise ImportError(str(exc)) from exc
+
+    def require(self, env=None, installer=None):
+        if self.extras and not self.dist:
+            raise UnknownExtra("Can't require() without a distribution", self)
+
+        # Get the requirements for this entry point with all its extras and
+        # then resolve them. We have to pass `extras` along when resolving so
+        # that the working set knows what extras we want. Otherwise, for
+        # dist-info distributions, the working set will assume that the
+        # requirements for that extra are purely optional and skip over them.
+        reqs = self.dist.requires(self.extras)
+        items = working_set.resolve(reqs, env, installer, extras=self.extras)
+        list(map(working_set.add, items))
+
+    pattern = re.compile(
+        r'\s*'
+        r'(?P<name>.+?)\s*'
+        r'=\s*'
+        r'(?P<module>[\w.]+)\s*'
+        r'(:\s*(?P<attr>[\w.]+))?\s*'
+        r'(?P<extras>\[.*\])?\s*$'
+    )
+
+    @classmethod
+    def parse(cls, src, dist=None):
+        """Parse a single entry point from string `src`
+
+        Entry point syntax follows the form::
+
+            name = some.module:some.attr [extra1, extra2]
+
+        The entry name and module name are required, but the ``:attrs`` and
+        ``[extras]`` parts are optional
+        """
+        m = cls.pattern.match(src)
+        if not m:
+            msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
+            raise ValueError(msg, src)
+        res = m.groupdict()
+        extras = cls._parse_extras(res['extras'])
+        attrs = res['attr'].split('.') if res['attr'] else ()
+        return cls(res['name'], res['module'], attrs, extras, dist)
+
+    @classmethod
+    def _parse_extras(cls, extras_spec):
+        if not extras_spec:
+            return ()
+        req = Requirement.parse('x' + extras_spec)
+        if req.specs:
+            raise ValueError()
+        return req.extras
+
+    @classmethod
+    def parse_group(cls, group, lines, dist=None):
+        """Parse an entry point group"""
+        if not MODULE(group):
+            raise ValueError("Invalid group name", group)
+        this = {}
+        for line in yield_lines(lines):
+            ep = cls.parse(line, dist)
+            if ep.name in this:
+                raise ValueError("Duplicate entry point", group, ep.name)
+            this[ep.name] = ep
+        return this
+
+    @classmethod
+    def parse_map(cls, data, dist=None):
+        """Parse a map of entry point groups"""
+        if isinstance(data, dict):
+            data = data.items()
+        else:
+            data = split_sections(data)
+        maps = {}
+        for group, lines in data:
+            if group is None:
+                if not lines:
+                    continue
+                raise ValueError("Entry points must be listed in groups")
+            group = group.strip()
+            if group in maps:
+                raise ValueError("Duplicate group name", group)
+            maps[group] = cls.parse_group(group, lines, dist)
+        return maps
+
+
+def _version_from_file(lines):
+    """
+    Given an iterable of lines from a Metadata file, return
+    the value of the Version field, if present, or None otherwise.
+    """
+    def is_version_line(line):
+        return line.lower().startswith('version:')
+    version_lines = filter(is_version_line, lines)
+    line = next(iter(version_lines), '')
+    _, _, value = line.partition(':')
+    return safe_version(value.strip()) or None
+
+
+class Distribution:
+    """Wrap an actual or potential sys.path entry w/metadata"""
+    PKG_INFO = 'PKG-INFO'
+
+    def __init__(
+            self, location=None, metadata=None, project_name=None,
+            version=None, py_version=PY_MAJOR, platform=None,
+            precedence=EGG_DIST):
+        self.project_name = safe_name(project_name or 'Unknown')
+        if version is not None:
+            self._version = safe_version(version)
+        self.py_version = py_version
+        self.platform = platform
+        self.location = location
+        self.precedence = precedence
+        self._provider = metadata or empty_provider
+
+    @classmethod
+    def from_location(cls, location, basename, metadata=None, **kw):
+        project_name, version, py_version, platform = [None] * 4
+        basename, ext = os.path.splitext(basename)
+        if ext.lower() in _distributionImpl:
+            cls = _distributionImpl[ext.lower()]
+
+            match = EGG_NAME(basename)
+            if match:
+                project_name, version, py_version, platform = match.group(
+                    'name', 'ver', 'pyver', 'plat'
+                )
+        return cls(
+            location, metadata, project_name=project_name, version=version,
+            py_version=py_version, platform=platform, **kw
+        )._reload_version()
+
+    def _reload_version(self):
+        return self
+
+    @property
+    def hashcmp(self):
+        return (
+            self.parsed_version,
+            self.precedence,
+            self.key,
+            self.location,
+            self.py_version or '',
+            self.platform or '',
+        )
+
+    def __hash__(self):
+        return hash(self.hashcmp)
+
+    def __lt__(self, other):
+        return self.hashcmp < other.hashcmp
+
+    def __le__(self, other):
+        return self.hashcmp <= other.hashcmp
+
+    def __gt__(self, other):
+        return self.hashcmp > other.hashcmp
+
+    def __ge__(self, other):
+        return self.hashcmp >= other.hashcmp
+
+    def __eq__(self, other):
+        if not isinstance(other, self.__class__):
+            # It's not a Distribution, so they are not equal
+            return False
+        return self.hashcmp == other.hashcmp
+
+    def __ne__(self, other):
+        return not self == other
+
+    # These properties have to be lazy so that we don't have to load any
+    # metadata until/unless it's actually needed.  (i.e., some distributions
+    # may not know their name or version without loading PKG-INFO)
+
+    @property
+    def key(self):
+        try:
+            return self._key
+        except AttributeError:
+            self._key = key = self.project_name.lower()
+            return key
+
+    @property
+    def parsed_version(self):
+        if not hasattr(self, "_parsed_version"):
+            self._parsed_version = parse_version(self.version)
+
+        return self._parsed_version
+
+    def _warn_legacy_version(self):
+        LV = packaging.version.LegacyVersion
+        is_legacy = isinstance(self._parsed_version, LV)
+        if not is_legacy:
+            return
+
+        # While an empty version is technically a legacy version and
+        # is not a valid PEP 440 version, it's also unlikely to
+        # actually come from someone and instead it is more likely that
+        # it comes from setuptools attempting to parse a filename and
+        # including it in the list. So for that we'll gate this warning
+        # on if the version is anything at all or not.
+        if not self.version:
+            return
+
+        tmpl = textwrap.dedent("""
+            '{project_name} ({version})' is being parsed as a legacy,
+            non PEP 440,
+            version. You may find odd behavior and sort order.
+            In particular it will be sorted as less than 0.0. It
+            is recommended to migrate to PEP 440 compatible
+            versions.
+            """).strip().replace('\n', ' ')
+
+        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)
+
+    @property
+    def version(self):
+        try:
+            return self._version
+        except AttributeError as e:
+            version = self._get_version()
+            if version is None:
+                path = self._get_metadata_path_for_display(self.PKG_INFO)
+                msg = (
+                    "Missing 'Version:' header and/or {} file at path: {}"
+                ).format(self.PKG_INFO, path)
+                raise ValueError(msg, self) from e
+
+            return version
+
+    @property
+    def _dep_map(self):
+        """
+        A map of extra to its list of (direct) requirements
+        for this distribution, including the null extra.
+        """
+        try:
+            return self.__dep_map
+        except AttributeError:
+            self.__dep_map = self._filter_extras(self._build_dep_map())
+        return self.__dep_map
+
+    @staticmethod
+    def _filter_extras(dm):
+        """
+        Given a mapping of extras to dependencies, strip off
+        environment markers and filter out any dependencies
+        not matching the markers.
+        """
+        for extra in list(filter(None, dm)):
+            new_extra = extra
+            reqs = dm.pop(extra)
+            new_extra, _, marker = extra.partition(':')
+            fails_marker = marker and (
+                invalid_marker(marker)
+                or not evaluate_marker(marker)
+            )
+            if fails_marker:
+                reqs = []
+            new_extra = safe_extra(new_extra) or None
+
+            dm.setdefault(new_extra, []).extend(reqs)
+        return dm
+
+    def _build_dep_map(self):
+        dm = {}
+        for name in 'requires.txt', 'depends.txt':
+            for extra, reqs in split_sections(self._get_metadata(name)):
+                dm.setdefault(extra, []).extend(parse_requirements(reqs))
+        return dm
+
+    def requires(self, extras=()):
+        """List of Requirements needed for this distro if `extras` are used"""
+        dm = self._dep_map
+        deps = []
+        deps.extend(dm.get(None, ()))
+        for ext in extras:
+            try:
+                deps.extend(dm[safe_extra(ext)])
+            except KeyError as e:
+                raise UnknownExtra(
+                    "%s has no such extra feature %r" % (self, ext)
+                ) from e
+        return deps
+
+    def _get_metadata_path_for_display(self, name):
+        """
+        Return the path to the given metadata file, if available.
+        """
+        try:
+            # We need to access _get_metadata_path() on the provider object
+            # directly rather than through this class's __getattr__()
+            # since _get_metadata_path() is marked private.
+            path = self._provider._get_metadata_path(name)
+
+        # Handle exceptions e.g. in case the distribution's metadata
+        # provider doesn't support _get_metadata_path().
+        except Exception:
+            return '[could not detect]'
+
+        return path
+
+    def _get_metadata(self, name):
+        if self.has_metadata(name):
+            for line in self.get_metadata_lines(name):
+                yield line
+
+    def _get_version(self):
+        lines = self._get_metadata(self.PKG_INFO)
+        version = _version_from_file(lines)
+
+        return version
+
+    def activate(self, path=None, replace=False):
+        """Ensure distribution is importable on `path` (default=sys.path)"""
+        if path is None:
+            path = sys.path
+        self.insert_on(path, replace=replace)
+        if path is sys.path:
+            fixup_namespace_packages(self.location)
+            for pkg in self._get_metadata('namespace_packages.txt'):
+                if pkg in sys.modules:
+                    declare_namespace(pkg)
+
+    def egg_name(self):
+        """Return what this distribution's standard .egg filename should be"""
+        filename = "%s-%s-py%s" % (
+            to_filename(self.project_name), to_filename(self.version),
+            self.py_version or PY_MAJOR
+        )
+
+        if self.platform:
+            filename += '-' + self.platform
+        return filename
+
+    def __repr__(self):
+        if self.location:
+            return "%s (%s)" % (self, self.location)
+        else:
+            return str(self)
+
+    def __str__(self):
+        try:
+            version = getattr(self, 'version', None)
+        except ValueError:
+            version = None
+        version = version or "[unknown version]"
+        return "%s %s" % (self.project_name, version)
+
+    def __getattr__(self, attr):
+        """Delegate all unrecognized public attributes to .metadata provider"""
+        if attr.startswith('_'):
+            raise AttributeError(attr)
+        return getattr(self._provider, attr)
+
+    def __dir__(self):
+        return list(
+            set(super(Distribution, self).__dir__())
+            | set(
+                attr for attr in self._provider.__dir__()
+                if not attr.startswith('_')
+            )
+        )
+
+    @classmethod
+    def from_filename(cls, filename, metadata=None, **kw):
+        return cls.from_location(
+            _normalize_cached(filename), os.path.basename(filename), metadata,
+            **kw
+        )
+
+    def as_requirement(self):
+        """Return a ``Requirement`` that matches this distribution exactly"""
+        if isinstance(self.parsed_version, packaging.version.Version):
+            spec = "%s==%s" % (self.project_name, self.parsed_version)
+        else:
+            spec = "%s===%s" % (self.project_name, self.parsed_version)
+
+        return Requirement.parse(spec)
+
+    def load_entry_point(self, group, name):
+        """Return the `name` entry point of `group` or raise ImportError"""
+        ep = self.get_entry_info(group, name)
+        if ep is None:
+            raise ImportError("Entry point %r not found" % ((group, name),))
+        return ep.load()
+
+    def get_entry_map(self, group=None):
+        """Return the entry point map for `group`, or the full entry map"""
+        try:
+            ep_map = self._ep_map
+        except AttributeError:
+            ep_map = self._ep_map = EntryPoint.parse_map(
+                self._get_metadata('entry_points.txt'), self
+            )
+        if group is not None:
+            return ep_map.get(group, {})
+        return ep_map
+
+    def get_entry_info(self, group, name):
+        """Return the EntryPoint object for `group`+`name`, or ``None``"""
+        return self.get_entry_map(group).get(name)
+
+    # FIXME: 'Distribution.insert_on' is too complex (13)
+    def insert_on(self, path, loc=None, replace=False):  # noqa: C901
+        """Ensure self.location is on path
+
+        If replace=False (default):
+            - If location is already in path anywhere, do nothing.
+            - Else:
+              - If it's an egg and its parent directory is on path,
+                insert just ahead of the parent.
+              - Else: add to the end of path.
+        If replace=True:
+            - If location is already on path anywhere (not eggs)
+              or higher priority than its parent (eggs)
+              do nothing.
+            - Else:
+              - If it's an egg and its parent directory is on path,
+                insert just ahead of the parent,
+                removing any lower-priority entries.
+              - Else: add it to the front of path.
+        """
+
+        loc = loc or self.location
+        if not loc:
+            return
+
+        nloc = _normalize_cached(loc)
+        bdir = os.path.dirname(nloc)
+        npath = [(p and _normalize_cached(p) or p) for p in path]
+
+        for p, item in enumerate(npath):
+            if item == nloc:
+                if replace:
+                    break
+                else:
+                    # don't modify path (even removing duplicates) if
+                    # found and not replace
+                    return
+            elif item == bdir and self.precedence == EGG_DIST:
+                # if it's an .egg, give it precedence over its directory
+                # UNLESS it's already been added to sys.path and replace=False
+                if (not replace) and nloc in npath[p:]:
+                    return
+                if path is sys.path:
+                    self.check_version_conflict()
+                path.insert(p, loc)
+                npath.insert(p, nloc)
+                break
+        else:
+            if path is sys.path:
+                self.check_version_conflict()
+            if replace:
+                path.insert(0, loc)
+            else:
+                path.append(loc)
+            return
+
+        # p is the spot where we found or inserted loc; now remove duplicates
+        while True:
+            try:
+                np = npath.index(nloc, p + 1)
+            except ValueError:
+                break
+            else:
+                del npath[np], path[np]
+                # ha!
+                p = np
+
+        return
+
+    def check_version_conflict(self):
+        if self.key == 'setuptools':
+            # ignore the inevitable setuptools self-conflicts  :(
+            return
+
+        nsp = dict.fromkeys(self._get_metadata('namespace_packages.txt'))
+        loc = normalize_path(self.location)
+        for modname in self._get_metadata('top_level.txt'):
+            if (modname not in sys.modules or modname in nsp
+                    or modname in _namespace_packages):
+                continue
+            if modname in ('pkg_resources', 'setuptools', 'site'):
+                continue
+            fn = getattr(sys.modules[modname], '__file__', None)
+            if fn and (normalize_path(fn).startswith(loc) or
+                       fn.startswith(self.location)):
+                continue
+            issue_warning(
+                "Module %s was already imported from %s, but %s is being added"
+                " to sys.path" % (modname, fn, self.location),
+            )
+
+    def has_version(self):
+        try:
+            self.version
+        except ValueError:
+            issue_warning("Unbuilt egg for " + repr(self))
+            return False
+        return True
+
+    def clone(self, **kw):
+        """Copy this distribution, substituting in any changed keyword args"""
+        names = 'project_name version py_version platform location precedence'
+        for attr in names.split():
+            kw.setdefault(attr, getattr(self, attr, None))
+        kw.setdefault('metadata', self._provider)
+        return self.__class__(**kw)
+
+    @property
+    def extras(self):
+        return [dep for dep in self._dep_map if dep]
+
+
+class EggInfoDistribution(Distribution):
+    def _reload_version(self):
+        """
+        Packages installed by distutils (e.g. numpy or scipy),
+        which uses an old safe_version, and so
+        their version numbers can get mangled when
+        converted to filenames (e.g., 1.11.0.dev0+2329eae to
+        1.11.0.dev0_2329eae). These distributions will not be
+        parsed properly
+        downstream by Distribution and safe_version, so
+        take an extra step and try to get the version number from
+        the metadata file itself instead of the filename.
+        """
+        md_version = self._get_version()
+        if md_version:
+            self._version = md_version
+        return self
+
+
+class DistInfoDistribution(Distribution):
+    """
+    Wrap an actual or potential sys.path entry
+    w/metadata, .dist-info style.
+    """
+    PKG_INFO = 'METADATA'
+    EQEQ = re.compile(r"([\(,])\s*(\d.*?)\s*([,\)])")
+
+    @property
+    def _parsed_pkg_info(self):
+        """Parse and cache metadata"""
+        try:
+            return self._pkg_info
+        except AttributeError:
+            metadata = self.get_metadata(self.PKG_INFO)
+            self._pkg_info = email.parser.Parser().parsestr(metadata)
+            return self._pkg_info
+
+    @property
+    def _dep_map(self):
+        try:
+            return self.__dep_map
+        except AttributeError:
+            self.__dep_map = self._compute_dependencies()
+            return self.__dep_map
+
+    def _compute_dependencies(self):
+        """Recompute this distribution's dependencies."""
+        dm = self.__dep_map = {None: []}
+
+        reqs = []
+        # Including any condition expressions
+        for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:
+            reqs.extend(parse_requirements(req))
+
+        def reqs_for_extra(extra):
+            for req in reqs:
+                if not req.marker or req.marker.evaluate({'extra': extra}):
+                    yield req
+
+        common = frozenset(reqs_for_extra(None))
+        dm[None].extend(common)
+
+        for extra in self._parsed_pkg_info.get_all('Provides-Extra') or []:
+            s_extra = safe_extra(extra.strip())
+            dm[s_extra] = list(frozenset(reqs_for_extra(extra)) - common)
+
+        return dm
+
+
+_distributionImpl = {
+    '.egg': Distribution,
+    '.egg-info': EggInfoDistribution,
+    '.dist-info': DistInfoDistribution,
+}
+
+
+def issue_warning(*args, **kw):
+    level = 1
+    g = globals()
+    try:
+        # find the first stack frame that is *not* code in
+        # the pkg_resources module, to use for the warning
+        while sys._getframe(level).f_globals is g:
+            level += 1
+    except ValueError:
+        pass
+    warnings.warn(stacklevel=level + 1, *args, **kw)
+
+
+def parse_requirements(strs):
+    """Yield ``Requirement`` objects for each specification in `strs`
+
+    `strs` must be a string, or a (possibly-nested) iterable thereof.
+    """
+    # create a steppable iterator, so we can handle \-continuations
+    lines = iter(yield_lines(strs))
+
+    for line in lines:
+        # Drop comments -- a hash without a space may be in a URL.
+        if ' #' in line:
+            line = line[:line.find(' #')]
+        # If there is a line continuation, drop it, and append the next line.
+        if line.endswith('\\'):
+            line = line[:-2].strip()
+            try:
+                line += next(lines)
+            except StopIteration:
+                return
+        yield Requirement(line)
+
+
+class RequirementParseError(packaging.requirements.InvalidRequirement):
+    "Compatibility wrapper for InvalidRequirement"
+
+
+class Requirement(packaging.requirements.Requirement):
+    def __init__(self, requirement_string):
+        """DO NOT CALL THIS UNDOCUMENTED METHOD; use Requirement.parse()!"""
+        super(Requirement, self).__init__(requirement_string)
+        self.unsafe_name = self.name
+        project_name = safe_name(self.name)
+        self.project_name, self.key = project_name, project_name.lower()
+        self.specs = [
+            (spec.operator, spec.version) for spec in self.specifier]
+        self.extras = tuple(map(safe_extra, self.extras))
+        self.hashCmp = (
+            self.key,
+            self.url,
+            self.specifier,
+            frozenset(self.extras),
+            str(self.marker) if self.marker else None,
+        )
+        self.__hash = hash(self.hashCmp)
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, Requirement) and
+            self.hashCmp == other.hashCmp
+        )
+
+    def __ne__(self, other):
+        return not self == other
+
+    def __contains__(self, item):
+        if isinstance(item, Distribution):
+            if item.key != self.key:
+                return False
+
+            item = item.version
+
+        # Allow prereleases always in order to match the previous behavior of
+        # this method. In the future this should be smarter and follow PEP 440
+        # more accurately.
+        return self.specifier.contains(item, prereleases=True)
+
+    def __hash__(self):
+        return self.__hash
+
+    def __repr__(self):
+        return "Requirement.parse(%r)" % str(self)
+
+    @staticmethod
+    def parse(s):
+        req, = parse_requirements(s)
+        return req
+
+
+def _always_object(classes):
+    """
+    Ensure object appears in the mro even
+    for old-style classes.
+    """
+    if object not in classes:
+        return classes + (object,)
+    return classes
+
+
+def _find_adapter(registry, ob):
+    """Return an adapter factory for `ob` from `registry`"""
+    types = _always_object(inspect.getmro(getattr(ob, '__class__', type(ob))))
+    for t in types:
+        if t in registry:
+            return registry[t]
+
+
+def ensure_directory(path):
+    """Ensure that the parent directory of `path` exists"""
+    dirname = os.path.dirname(path)
+    os.makedirs(dirname, exist_ok=True)
+
+
+def _bypass_ensure_directory(path):
+    """Sandbox-bypassing version of ensure_directory()"""
+    if not WRITE_SUPPORT:
+        raise IOError('"os.mkdir" not supported on this platform.')
+    dirname, filename = split(path)
+    if dirname and filename and not isdir(dirname):
+        _bypass_ensure_directory(dirname)
+        try:
+            mkdir(dirname, 0o755)
+        except FileExistsError:
+            pass
+
+
+def split_sections(s):
+    """Split a string or iterable thereof into (section, content) pairs
+
+    Each ``section`` is a stripped version of the section header ("[section]")
+    and each ``content`` is a list of stripped lines excluding blank lines and
+    comment-only lines.  If there are any such lines before the first section
+    header, they're returned in a first ``section`` of ``None``.
+    """
+    section = None
+    content = []
+    for line in yield_lines(s):
+        if line.startswith("["):
+            if line.endswith("]"):
+                if section or content:
+                    yield section, content
+                section = line[1:-1].strip()
+                content = []
+            else:
+                raise ValueError("Invalid section heading", line)
+        else:
+            content.append(line)
+
+    # wrap up last segment
+    yield section, content
+
+
+def _mkstemp(*args, **kw):
+    old_open = os.open
+    try:
+        # temporarily bypass sandboxing
+        os.open = os_open
+        return tempfile.mkstemp(*args, **kw)
+    finally:
+        # and then put it back
+        os.open = old_open
+
+
+# Silence the PEP440Warning by default, so that end users don't get hit by it
+# randomly just because they use pkg_resources. We want to append the rule
+# because we want earlier uses of filterwarnings to take precedence over this
+# one.
+warnings.filterwarnings("ignore", category=PEP440Warning, append=True)
+
+
+# from jaraco.functools 1.3
+def _call_aside(f, *args, **kwargs):
+    f(*args, **kwargs)
+    return f
+
+
+@_call_aside
+def _initialize(g=globals()):
+    "Set up global resource manager (deliberately not state-saved)"
+    manager = ResourceManager()
+    g['_manager'] = manager
+    g.update(
+        (name, getattr(manager, name))
+        for name in dir(manager)
+        if not name.startswith('_')
+    )
+
+
+class PkgResourcesDeprecationWarning(Warning):
+    """
+    Base class for warning about deprecations in ``pkg_resources``
+
+    This class is not derived from ``DeprecationWarning``, and as such is
+    visible by default.
+    """
+
+
+@_call_aside
+def _initialize_master_working_set():
+    """
+    Prepare the master working set and make the ``require()``
+    API available.
+
+    This function has explicit effects on the global state
+    of pkg_resources. It is intended to be invoked once at
+    the initialization of this module.
+
+    Invocation by other packages is unsupported and done
+    at their own risk.
+    """
+    working_set = WorkingSet._build_master()
+    _declare_state('object', working_set=working_set)
+
+    require = working_set.require
+    iter_entry_points = working_set.iter_entry_points
+    add_activation_listener = working_set.subscribe
+    run_script = working_set.run_script
+    # backward compatibility
+    run_main = run_script
+    # Activate all distributions already on sys.path with replace=False and
+    # ensure that all distributions added to the working set in the future
+    # (e.g. by calling ``require()``) will get activated as well,
+    # with higher priority (replace=True).
+    tuple(
+        dist.activate(replace=False)
+        for dist in working_set
+    )
+    add_activation_listener(
+        lambda dist: dist.activate(replace=True),
+        existing=False,
+    )
+    working_set.entries = []
+    # match order
+    list(map(working_set.add_entry, sys.path))
+    globals().update(locals())
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/__init__.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/__init__.py
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diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/__pycache__/appdirs.cpython-310.pyc b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/__pycache__/appdirs.cpython-310.pyc
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diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/appdirs.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/appdirs.py
new file mode 100644
index 0000000000000000000000000000000000000000..ae67001af8b661373edeee2eb327b9f63e630d62
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/appdirs.py
@@ -0,0 +1,608 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (c) 2005-2010 ActiveState Software Inc.
+# Copyright (c) 2013 Eddy Petrișor
+
+"""Utilities for determining application-specific dirs.
+
+See <http://github.com/ActiveState/appdirs> for details and usage.
+"""
+# Dev Notes:
+# - MSDN on where to store app data files:
+#   http://support.microsoft.com/default.aspx?scid=kb;en-us;310294#XSLTH3194121123120121120120
+# - Mac OS X: http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/index.html
+# - XDG spec for Un*x: http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+
+__version_info__ = (1, 4, 3)
+__version__ = '.'.join(map(str, __version_info__))
+
+
+import sys
+import os
+
+PY3 = sys.version_info[0] == 3
+
+if PY3:
+    unicode = str
+
+if sys.platform.startswith('java'):
+    import platform
+    os_name = platform.java_ver()[3][0]
+    if os_name.startswith('Windows'): # "Windows XP", "Windows 7", etc.
+        system = 'win32'
+    elif os_name.startswith('Mac'): # "Mac OS X", etc.
+        system = 'darwin'
+    else: # "Linux", "SunOS", "FreeBSD", etc.
+        # Setting this to "linux2" is not ideal, but only Windows or Mac
+        # are actually checked for and the rest of the module expects
+        # *sys.platform* style strings.
+        system = 'linux2'
+else:
+    system = sys.platform
+
+
+
+def user_data_dir(appname=None, appauthor=None, version=None, roaming=False):
+    r"""Return full path to the user-specific data dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "roaming" (boolean, default False) can be set True to use the Windows
+            roaming appdata directory. That means that for users on a Windows
+            network setup for roaming profiles, this user data will be
+            sync'd on login. See
+            <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
+            for a discussion of issues.
+
+    Typical user data directories are:
+        Mac OS X:               ~/Library/Application Support/<AppName>
+        Unix:                   ~/.local/share/<AppName>    # or in $XDG_DATA_HOME, if defined
+        Win XP (not roaming):   C:\Documents and Settings\<username>\Application Data\<AppAuthor>\<AppName>
+        Win XP (roaming):       C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>
+        Win 7  (not roaming):   C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>
+        Win 7  (roaming):       C:\Users\<username>\AppData\Roaming\<AppAuthor>\<AppName>
+
+    For Unix, we follow the XDG spec and support $XDG_DATA_HOME.
+    That means, by default "~/.local/share/<AppName>".
+    """
+    if system == "win32":
+        if appauthor is None:
+            appauthor = appname
+        const = roaming and "CSIDL_APPDATA" or "CSIDL_LOCAL_APPDATA"
+        path = os.path.normpath(_get_win_folder(const))
+        if appname:
+            if appauthor is not False:
+                path = os.path.join(path, appauthor, appname)
+            else:
+                path = os.path.join(path, appname)
+    elif system == 'darwin':
+        path = os.path.expanduser('~/Library/Application Support/')
+        if appname:
+            path = os.path.join(path, appname)
+    else:
+        path = os.getenv('XDG_DATA_HOME', os.path.expanduser("~/.local/share"))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def site_data_dir(appname=None, appauthor=None, version=None, multipath=False):
+    r"""Return full path to the user-shared data dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "multipath" is an optional parameter only applicable to *nix
+            which indicates that the entire list of data dirs should be
+            returned. By default, the first item from XDG_DATA_DIRS is
+            returned, or '/usr/local/share/<AppName>',
+            if XDG_DATA_DIRS is not set
+
+    Typical site data directories are:
+        Mac OS X:   /Library/Application Support/<AppName>
+        Unix:       /usr/local/share/<AppName> or /usr/share/<AppName>
+        Win XP:     C:\Documents and Settings\All Users\Application Data\<AppAuthor>\<AppName>
+        Vista:      (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.)
+        Win 7:      C:\ProgramData\<AppAuthor>\<AppName>   # Hidden, but writeable on Win 7.
+
+    For Unix, this is using the $XDG_DATA_DIRS[0] default.
+
+    WARNING: Do not use this on Windows. See the Vista-Fail note above for why.
+    """
+    if system == "win32":
+        if appauthor is None:
+            appauthor = appname
+        path = os.path.normpath(_get_win_folder("CSIDL_COMMON_APPDATA"))
+        if appname:
+            if appauthor is not False:
+                path = os.path.join(path, appauthor, appname)
+            else:
+                path = os.path.join(path, appname)
+    elif system == 'darwin':
+        path = os.path.expanduser('/Library/Application Support')
+        if appname:
+            path = os.path.join(path, appname)
+    else:
+        # XDG default for $XDG_DATA_DIRS
+        # only first, if multipath is False
+        path = os.getenv('XDG_DATA_DIRS',
+                         os.pathsep.join(['/usr/local/share', '/usr/share']))
+        pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)]
+        if appname:
+            if version:
+                appname = os.path.join(appname, version)
+            pathlist = [os.sep.join([x, appname]) for x in pathlist]
+
+        if multipath:
+            path = os.pathsep.join(pathlist)
+        else:
+            path = pathlist[0]
+        return path
+
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def user_config_dir(appname=None, appauthor=None, version=None, roaming=False):
+    r"""Return full path to the user-specific config dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "roaming" (boolean, default False) can be set True to use the Windows
+            roaming appdata directory. That means that for users on a Windows
+            network setup for roaming profiles, this user data will be
+            sync'd on login. See
+            <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
+            for a discussion of issues.
+
+    Typical user config directories are:
+        Mac OS X:               same as user_data_dir
+        Unix:                   ~/.config/<AppName>     # or in $XDG_CONFIG_HOME, if defined
+        Win *:                  same as user_data_dir
+
+    For Unix, we follow the XDG spec and support $XDG_CONFIG_HOME.
+    That means, by default "~/.config/<AppName>".
+    """
+    if system in ["win32", "darwin"]:
+        path = user_data_dir(appname, appauthor, None, roaming)
+    else:
+        path = os.getenv('XDG_CONFIG_HOME', os.path.expanduser("~/.config"))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def site_config_dir(appname=None, appauthor=None, version=None, multipath=False):
+    r"""Return full path to the user-shared data dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "multipath" is an optional parameter only applicable to *nix
+            which indicates that the entire list of config dirs should be
+            returned. By default, the first item from XDG_CONFIG_DIRS is
+            returned, or '/etc/xdg/<AppName>', if XDG_CONFIG_DIRS is not set
+
+    Typical site config directories are:
+        Mac OS X:   same as site_data_dir
+        Unix:       /etc/xdg/<AppName> or $XDG_CONFIG_DIRS[i]/<AppName> for each value in
+                    $XDG_CONFIG_DIRS
+        Win *:      same as site_data_dir
+        Vista:      (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.)
+
+    For Unix, this is using the $XDG_CONFIG_DIRS[0] default, if multipath=False
+
+    WARNING: Do not use this on Windows. See the Vista-Fail note above for why.
+    """
+    if system in ["win32", "darwin"]:
+        path = site_data_dir(appname, appauthor)
+        if appname and version:
+            path = os.path.join(path, version)
+    else:
+        # XDG default for $XDG_CONFIG_DIRS
+        # only first, if multipath is False
+        path = os.getenv('XDG_CONFIG_DIRS', '/etc/xdg')
+        pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)]
+        if appname:
+            if version:
+                appname = os.path.join(appname, version)
+            pathlist = [os.sep.join([x, appname]) for x in pathlist]
+
+        if multipath:
+            path = os.pathsep.join(pathlist)
+        else:
+            path = pathlist[0]
+    return path
+
+
+def user_cache_dir(appname=None, appauthor=None, version=None, opinion=True):
+    r"""Return full path to the user-specific cache dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "opinion" (boolean) can be False to disable the appending of
+            "Cache" to the base app data dir for Windows. See
+            discussion below.
+
+    Typical user cache directories are:
+        Mac OS X:   ~/Library/Caches/<AppName>
+        Unix:       ~/.cache/<AppName> (XDG default)
+        Win XP:     C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>\Cache
+        Vista:      C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>\Cache
+
+    On Windows the only suggestion in the MSDN docs is that local settings go in
+    the `CSIDL_LOCAL_APPDATA` directory. This is identical to the non-roaming
+    app data dir (the default returned by `user_data_dir` above). Apps typically
+    put cache data somewhere *under* the given dir here. Some examples:
+        ...\Mozilla\Firefox\Profiles\<ProfileName>\Cache
+        ...\Acme\SuperApp\Cache\1.0
+    OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value.
+    This can be disabled with the `opinion=False` option.
+    """
+    if system == "win32":
+        if appauthor is None:
+            appauthor = appname
+        path = os.path.normpath(_get_win_folder("CSIDL_LOCAL_APPDATA"))
+        if appname:
+            if appauthor is not False:
+                path = os.path.join(path, appauthor, appname)
+            else:
+                path = os.path.join(path, appname)
+            if opinion:
+                path = os.path.join(path, "Cache")
+    elif system == 'darwin':
+        path = os.path.expanduser('~/Library/Caches')
+        if appname:
+            path = os.path.join(path, appname)
+    else:
+        path = os.getenv('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def user_state_dir(appname=None, appauthor=None, version=None, roaming=False):
+    r"""Return full path to the user-specific state dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "roaming" (boolean, default False) can be set True to use the Windows
+            roaming appdata directory. That means that for users on a Windows
+            network setup for roaming profiles, this user data will be
+            sync'd on login. See
+            <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
+            for a discussion of issues.
+
+    Typical user state directories are:
+        Mac OS X:  same as user_data_dir
+        Unix:      ~/.local/state/<AppName>   # or in $XDG_STATE_HOME, if defined
+        Win *:     same as user_data_dir
+
+    For Unix, we follow this Debian proposal <https://wiki.debian.org/XDGBaseDirectorySpecification#state>
+    to extend the XDG spec and support $XDG_STATE_HOME.
+
+    That means, by default "~/.local/state/<AppName>".
+    """
+    if system in ["win32", "darwin"]:
+        path = user_data_dir(appname, appauthor, None, roaming)
+    else:
+        path = os.getenv('XDG_STATE_HOME', os.path.expanduser("~/.local/state"))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def user_log_dir(appname=None, appauthor=None, version=None, opinion=True):
+    r"""Return full path to the user-specific log dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "opinion" (boolean) can be False to disable the appending of
+            "Logs" to the base app data dir for Windows, and "log" to the
+            base cache dir for Unix. See discussion below.
+
+    Typical user log directories are:
+        Mac OS X:   ~/Library/Logs/<AppName>
+        Unix:       ~/.cache/<AppName>/log  # or under $XDG_CACHE_HOME if defined
+        Win XP:     C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>\Logs
+        Vista:      C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>\Logs
+
+    On Windows the only suggestion in the MSDN docs is that local settings
+    go in the `CSIDL_LOCAL_APPDATA` directory. (Note: I'm interested in
+    examples of what some windows apps use for a logs dir.)
+
+    OPINION: This function appends "Logs" to the `CSIDL_LOCAL_APPDATA`
+    value for Windows and appends "log" to the user cache dir for Unix.
+    This can be disabled with the `opinion=False` option.
+    """
+    if system == "darwin":
+        path = os.path.join(
+            os.path.expanduser('~/Library/Logs'),
+            appname)
+    elif system == "win32":
+        path = user_data_dir(appname, appauthor, version)
+        version = False
+        if opinion:
+            path = os.path.join(path, "Logs")
+    else:
+        path = user_cache_dir(appname, appauthor, version)
+        version = False
+        if opinion:
+            path = os.path.join(path, "log")
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+class AppDirs(object):
+    """Convenience wrapper for getting application dirs."""
+    def __init__(self, appname=None, appauthor=None, version=None,
+            roaming=False, multipath=False):
+        self.appname = appname
+        self.appauthor = appauthor
+        self.version = version
+        self.roaming = roaming
+        self.multipath = multipath
+
+    @property
+    def user_data_dir(self):
+        return user_data_dir(self.appname, self.appauthor,
+                             version=self.version, roaming=self.roaming)
+
+    @property
+    def site_data_dir(self):
+        return site_data_dir(self.appname, self.appauthor,
+                             version=self.version, multipath=self.multipath)
+
+    @property
+    def user_config_dir(self):
+        return user_config_dir(self.appname, self.appauthor,
+                               version=self.version, roaming=self.roaming)
+
+    @property
+    def site_config_dir(self):
+        return site_config_dir(self.appname, self.appauthor,
+                             version=self.version, multipath=self.multipath)
+
+    @property
+    def user_cache_dir(self):
+        return user_cache_dir(self.appname, self.appauthor,
+                              version=self.version)
+
+    @property
+    def user_state_dir(self):
+        return user_state_dir(self.appname, self.appauthor,
+                              version=self.version)
+
+    @property
+    def user_log_dir(self):
+        return user_log_dir(self.appname, self.appauthor,
+                            version=self.version)
+
+
+#---- internal support stuff
+
+def _get_win_folder_from_registry(csidl_name):
+    """This is a fallback technique at best. I'm not sure if using the
+    registry for this guarantees us the correct answer for all CSIDL_*
+    names.
+    """
+    if PY3:
+      import winreg as _winreg
+    else:
+      import _winreg
+
+    shell_folder_name = {
+        "CSIDL_APPDATA": "AppData",
+        "CSIDL_COMMON_APPDATA": "Common AppData",
+        "CSIDL_LOCAL_APPDATA": "Local AppData",
+    }[csidl_name]
+
+    key = _winreg.OpenKey(
+        _winreg.HKEY_CURRENT_USER,
+        r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders"
+    )
+    dir, type = _winreg.QueryValueEx(key, shell_folder_name)
+    return dir
+
+
+def _get_win_folder_with_pywin32(csidl_name):
+    from win32com.shell import shellcon, shell
+    dir = shell.SHGetFolderPath(0, getattr(shellcon, csidl_name), 0, 0)
+    # Try to make this a unicode path because SHGetFolderPath does
+    # not return unicode strings when there is unicode data in the
+    # path.
+    try:
+        dir = unicode(dir)
+
+        # Downgrade to short path name if have highbit chars. See
+        # <http://bugs.activestate.com/show_bug.cgi?id=85099>.
+        has_high_char = False
+        for c in dir:
+            if ord(c) > 255:
+                has_high_char = True
+                break
+        if has_high_char:
+            try:
+                import win32api
+                dir = win32api.GetShortPathName(dir)
+            except ImportError:
+                pass
+    except UnicodeError:
+        pass
+    return dir
+
+
+def _get_win_folder_with_ctypes(csidl_name):
+    import ctypes
+
+    csidl_const = {
+        "CSIDL_APPDATA": 26,
+        "CSIDL_COMMON_APPDATA": 35,
+        "CSIDL_LOCAL_APPDATA": 28,
+    }[csidl_name]
+
+    buf = ctypes.create_unicode_buffer(1024)
+    ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
+
+    # Downgrade to short path name if have highbit chars. See
+    # <http://bugs.activestate.com/show_bug.cgi?id=85099>.
+    has_high_char = False
+    for c in buf:
+        if ord(c) > 255:
+            has_high_char = True
+            break
+    if has_high_char:
+        buf2 = ctypes.create_unicode_buffer(1024)
+        if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
+            buf = buf2
+
+    return buf.value
+
+def _get_win_folder_with_jna(csidl_name):
+    import array
+    from com.sun import jna
+    from com.sun.jna.platform import win32
+
+    buf_size = win32.WinDef.MAX_PATH * 2
+    buf = array.zeros('c', buf_size)
+    shell = win32.Shell32.INSTANCE
+    shell.SHGetFolderPath(None, getattr(win32.ShlObj, csidl_name), None, win32.ShlObj.SHGFP_TYPE_CURRENT, buf)
+    dir = jna.Native.toString(buf.tostring()).rstrip("\0")
+
+    # Downgrade to short path name if have highbit chars. See
+    # <http://bugs.activestate.com/show_bug.cgi?id=85099>.
+    has_high_char = False
+    for c in dir:
+        if ord(c) > 255:
+            has_high_char = True
+            break
+    if has_high_char:
+        buf = array.zeros('c', buf_size)
+        kernel = win32.Kernel32.INSTANCE
+        if kernel.GetShortPathName(dir, buf, buf_size):
+            dir = jna.Native.toString(buf.tostring()).rstrip("\0")
+
+    return dir
+
+if system == "win32":
+    try:
+        import win32com.shell
+        _get_win_folder = _get_win_folder_with_pywin32
+    except ImportError:
+        try:
+            from ctypes import windll
+            _get_win_folder = _get_win_folder_with_ctypes
+        except ImportError:
+            try:
+                import com.sun.jna
+                _get_win_folder = _get_win_folder_with_jna
+            except ImportError:
+                _get_win_folder = _get_win_folder_from_registry
+
+
+#---- self test code
+
+if __name__ == "__main__":
+    appname = "MyApp"
+    appauthor = "MyCompany"
+
+    props = ("user_data_dir",
+             "user_config_dir",
+             "user_cache_dir",
+             "user_state_dir",
+             "user_log_dir",
+             "site_data_dir",
+             "site_config_dir")
+
+    print("-- app dirs %s --" % __version__)
+
+    print("-- app dirs (with optional 'version')")
+    dirs = AppDirs(appname, appauthor, version="1.0")
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
+
+    print("\n-- app dirs (without optional 'version')")
+    dirs = AppDirs(appname, appauthor)
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
+
+    print("\n-- app dirs (without optional 'appauthor')")
+    dirs = AppDirs(appname)
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
+
+    print("\n-- app dirs (with disabled 'appauthor')")
+    dirs = AppDirs(appname, appauthor=False)
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__about__.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__about__.py
new file mode 100644
index 0000000000000000000000000000000000000000..c359122f97125ed630760029f7fd0689f1caefd3
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__about__.py
@@ -0,0 +1,26 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
+
+__title__ = "packaging"
+__summary__ = "Core utilities for Python packages"
+__uri__ = "https://github.com/pypa/packaging"
+
+__version__ = "21.2"
+
+__author__ = "Donald Stufft and individual contributors"
+__email__ = "donald@stufft.io"
+
+__license__ = "BSD-2-Clause or Apache-2.0"
+__copyright__ = "2014-2019 %s" % __author__
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__init__.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..3c50c5dcfeeda2efed282200a5c5cc8c5f7542f7
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__init__.py
@@ -0,0 +1,25 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from .__about__ import (
+    __author__,
+    __copyright__,
+    __email__,
+    __license__,
+    __summary__,
+    __title__,
+    __uri__,
+    __version__,
+)
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__pycache__/__about__.cpython-310.pyc b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__pycache__/__about__.cpython-310.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..e6abf0710b02d9c77920a187a958f3b23372d433
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diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__pycache__/__init__.cpython-310.pyc b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/__pycache__/__init__.cpython-310.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..3e92a501fcfbc82155dd54a3f21da3ea7dcc13a8
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diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_manylinux.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_manylinux.py
new file mode 100644
index 0000000000000000000000000000000000000000..4c379aa6f69ff56c8f19612002c6e3e939ea6012
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_manylinux.py
@@ -0,0 +1,301 @@
+import collections
+import functools
+import os
+import re
+import struct
+import sys
+import warnings
+from typing import IO, Dict, Iterator, NamedTuple, Optional, Tuple
+
+
+# Python does not provide platform information at sufficient granularity to
+# identify the architecture of the running executable in some cases, so we
+# determine it dynamically by reading the information from the running
+# process. This only applies on Linux, which uses the ELF format.
+class _ELFFileHeader:
+    # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header
+    class _InvalidELFFileHeader(ValueError):
+        """
+        An invalid ELF file header was found.
+        """
+
+    ELF_MAGIC_NUMBER = 0x7F454C46
+    ELFCLASS32 = 1
+    ELFCLASS64 = 2
+    ELFDATA2LSB = 1
+    ELFDATA2MSB = 2
+    EM_386 = 3
+    EM_S390 = 22
+    EM_ARM = 40
+    EM_X86_64 = 62
+    EF_ARM_ABIMASK = 0xFF000000
+    EF_ARM_ABI_VER5 = 0x05000000
+    EF_ARM_ABI_FLOAT_HARD = 0x00000400
+
+    def __init__(self, file: IO[bytes]) -> None:
+        def unpack(fmt: str) -> int:
+            try:
+                data = file.read(struct.calcsize(fmt))
+                result: Tuple[int, ...] = struct.unpack(fmt, data)
+            except struct.error:
+                raise _ELFFileHeader._InvalidELFFileHeader()
+            return result[0]
+
+        self.e_ident_magic = unpack(">I")
+        if self.e_ident_magic != self.ELF_MAGIC_NUMBER:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_class = unpack("B")
+        if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_data = unpack("B")
+        if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_version = unpack("B")
+        self.e_ident_osabi = unpack("B")
+        self.e_ident_abiversion = unpack("B")
+        self.e_ident_pad = file.read(7)
+        format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H"
+        format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I"
+        format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q"
+        format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q
+        self.e_type = unpack(format_h)
+        self.e_machine = unpack(format_h)
+        self.e_version = unpack(format_i)
+        self.e_entry = unpack(format_p)
+        self.e_phoff = unpack(format_p)
+        self.e_shoff = unpack(format_p)
+        self.e_flags = unpack(format_i)
+        self.e_ehsize = unpack(format_h)
+        self.e_phentsize = unpack(format_h)
+        self.e_phnum = unpack(format_h)
+        self.e_shentsize = unpack(format_h)
+        self.e_shnum = unpack(format_h)
+        self.e_shstrndx = unpack(format_h)
+
+
+def _get_elf_header() -> Optional[_ELFFileHeader]:
+    try:
+        with open(sys.executable, "rb") as f:
+            elf_header = _ELFFileHeader(f)
+    except (OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader):
+        return None
+    return elf_header
+
+
+def _is_linux_armhf() -> bool:
+    # hard-float ABI can be detected from the ELF header of the running
+    # process
+    # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_ARM
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABIMASK
+    ) == elf_header.EF_ARM_ABI_VER5
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD
+    ) == elf_header.EF_ARM_ABI_FLOAT_HARD
+    return result
+
+
+def _is_linux_i686() -> bool:
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_386
+    return result
+
+
+def _have_compatible_abi(arch: str) -> bool:
+    if arch == "armv7l":
+        return _is_linux_armhf()
+    if arch == "i686":
+        return _is_linux_i686()
+    return arch in {"x86_64", "aarch64", "ppc64", "ppc64le", "s390x"}
+
+
+# If glibc ever changes its major version, we need to know what the last
+# minor version was, so we can build the complete list of all versions.
+# For now, guess what the highest minor version might be, assume it will
+# be 50 for testing. Once this actually happens, update the dictionary
+# with the actual value.
+_LAST_GLIBC_MINOR: Dict[int, int] = collections.defaultdict(lambda: 50)
+
+
+class _GLibCVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _glibc_version_string_confstr() -> Optional[str]:
+    """
+    Primary implementation of glibc_version_string using os.confstr.
+    """
+    # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
+    # to be broken or missing. This strategy is used in the standard library
+    # platform module.
+    # https://github.com/python/cpython/blob/fcf1d003bf4f0100c/Lib/platform.py#L175-L183
+    try:
+        # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17".
+        version_string = os.confstr("CS_GNU_LIBC_VERSION")
+        assert version_string is not None
+        _, version = version_string.split()
+    except (AssertionError, AttributeError, OSError, ValueError):
+        # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
+        return None
+    return version
+
+
+def _glibc_version_string_ctypes() -> Optional[str]:
+    """
+    Fallback implementation of glibc_version_string using ctypes.
+    """
+    try:
+        import ctypes
+    except ImportError:
+        return None
+
+    # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
+    # manpage says, "If filename is NULL, then the returned handle is for the
+    # main program". This way we can let the linker do the work to figure out
+    # which libc our process is actually using.
+    #
+    # We must also handle the special case where the executable is not a
+    # dynamically linked executable. This can occur when using musl libc,
+    # for example. In this situation, dlopen() will error, leading to an
+    # OSError. Interestingly, at least in the case of musl, there is no
+    # errno set on the OSError. The single string argument used to construct
+    # OSError comes from libc itself and is therefore not portable to
+    # hard code here. In any case, failure to call dlopen() means we
+    # can proceed, so we bail on our attempt.
+    try:
+        process_namespace = ctypes.CDLL(None)
+    except OSError:
+        return None
+
+    try:
+        gnu_get_libc_version = process_namespace.gnu_get_libc_version
+    except AttributeError:
+        # Symbol doesn't exist -> therefore, we are not linked to
+        # glibc.
+        return None
+
+    # Call gnu_get_libc_version, which returns a string like "2.5"
+    gnu_get_libc_version.restype = ctypes.c_char_p
+    version_str: str = gnu_get_libc_version()
+    # py2 / py3 compatibility:
+    if not isinstance(version_str, str):
+        version_str = version_str.decode("ascii")
+
+    return version_str
+
+
+def _glibc_version_string() -> Optional[str]:
+    """Returns glibc version string, or None if not using glibc."""
+    return _glibc_version_string_confstr() or _glibc_version_string_ctypes()
+
+
+def _parse_glibc_version(version_str: str) -> Tuple[int, int]:
+    """Parse glibc version.
+
+    We use a regexp instead of str.split because we want to discard any
+    random junk that might come after the minor version -- this might happen
+    in patched/forked versions of glibc (e.g. Linaro's version of glibc
+    uses version strings like "2.20-2014.11"). See gh-3588.
+    """
+    m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str)
+    if not m:
+        warnings.warn(
+            "Expected glibc version with 2 components major.minor,"
+            " got: %s" % version_str,
+            RuntimeWarning,
+        )
+        return -1, -1
+    return int(m.group("major")), int(m.group("minor"))
+
+
+@functools.lru_cache()
+def _get_glibc_version() -> Tuple[int, int]:
+    version_str = _glibc_version_string()
+    if version_str is None:
+        return (-1, -1)
+    return _parse_glibc_version(version_str)
+
+
+# From PEP 513, PEP 600
+def _is_compatible(name: str, arch: str, version: _GLibCVersion) -> bool:
+    sys_glibc = _get_glibc_version()
+    if sys_glibc < version:
+        return False
+    # Check for presence of _manylinux module.
+    try:
+        import _manylinux  # noqa
+    except ImportError:
+        return True
+    if hasattr(_manylinux, "manylinux_compatible"):
+        result = _manylinux.manylinux_compatible(version[0], version[1], arch)
+        if result is not None:
+            return bool(result)
+        return True
+    if version == _GLibCVersion(2, 5):
+        if hasattr(_manylinux, "manylinux1_compatible"):
+            return bool(_manylinux.manylinux1_compatible)
+    if version == _GLibCVersion(2, 12):
+        if hasattr(_manylinux, "manylinux2010_compatible"):
+            return bool(_manylinux.manylinux2010_compatible)
+    if version == _GLibCVersion(2, 17):
+        if hasattr(_manylinux, "manylinux2014_compatible"):
+            return bool(_manylinux.manylinux2014_compatible)
+    return True
+
+
+_LEGACY_MANYLINUX_MAP = {
+    # CentOS 7 w/ glibc 2.17 (PEP 599)
+    (2, 17): "manylinux2014",
+    # CentOS 6 w/ glibc 2.12 (PEP 571)
+    (2, 12): "manylinux2010",
+    # CentOS 5 w/ glibc 2.5 (PEP 513)
+    (2, 5): "manylinux1",
+}
+
+
+def platform_tags(linux: str, arch: str) -> Iterator[str]:
+    if not _have_compatible_abi(arch):
+        return
+    # Oldest glibc to be supported regardless of architecture is (2, 17).
+    too_old_glibc2 = _GLibCVersion(2, 16)
+    if arch in {"x86_64", "i686"}:
+        # On x86/i686 also oldest glibc to be supported is (2, 5).
+        too_old_glibc2 = _GLibCVersion(2, 4)
+    current_glibc = _GLibCVersion(*_get_glibc_version())
+    glibc_max_list = [current_glibc]
+    # We can assume compatibility across glibc major versions.
+    # https://sourceware.org/bugzilla/show_bug.cgi?id=24636
+    #
+    # Build a list of maximum glibc versions so that we can
+    # output the canonical list of all glibc from current_glibc
+    # down to too_old_glibc2, including all intermediary versions.
+    for glibc_major in range(current_glibc.major - 1, 1, -1):
+        glibc_minor = _LAST_GLIBC_MINOR[glibc_major]
+        glibc_max_list.append(_GLibCVersion(glibc_major, glibc_minor))
+    for glibc_max in glibc_max_list:
+        if glibc_max.major == too_old_glibc2.major:
+            min_minor = too_old_glibc2.minor
+        else:
+            # For other glibc major versions oldest supported is (x, 0).
+            min_minor = -1
+        for glibc_minor in range(glibc_max.minor, min_minor, -1):
+            glibc_version = _GLibCVersion(glibc_max.major, glibc_minor)
+            tag = "manylinux_{}_{}".format(*glibc_version)
+            if _is_compatible(tag, arch, glibc_version):
+                yield linux.replace("linux", tag)
+            # Handle the legacy manylinux1, manylinux2010, manylinux2014 tags.
+            if glibc_version in _LEGACY_MANYLINUX_MAP:
+                legacy_tag = _LEGACY_MANYLINUX_MAP[glibc_version]
+                if _is_compatible(legacy_tag, arch, glibc_version):
+                    yield linux.replace("linux", legacy_tag)
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_musllinux.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_musllinux.py
new file mode 100644
index 0000000000000000000000000000000000000000..85450fafa34733d81dd8d5c52637a464e5399efa
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_musllinux.py
@@ -0,0 +1,136 @@
+"""PEP 656 support.
+
+This module implements logic to detect if the currently running Python is
+linked against musl, and what musl version is used.
+"""
+
+import contextlib
+import functools
+import operator
+import os
+import re
+import struct
+import subprocess
+import sys
+from typing import IO, Iterator, NamedTuple, Optional, Tuple
+
+
+def _read_unpacked(f: IO[bytes], fmt: str) -> Tuple[int, ...]:
+    return struct.unpack(fmt, f.read(struct.calcsize(fmt)))
+
+
+def _parse_ld_musl_from_elf(f: IO[bytes]) -> Optional[str]:
+    """Detect musl libc location by parsing the Python executable.
+
+    Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca
+    ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html
+    """
+    f.seek(0)
+    try:
+        ident = _read_unpacked(f, "16B")
+    except struct.error:
+        return None
+    if ident[:4] != tuple(b"\x7fELF"):  # Invalid magic, not ELF.
+        return None
+    f.seek(struct.calcsize("HHI"), 1)  # Skip file type, machine, and version.
+
+    try:
+        # e_fmt: Format for program header.
+        # p_fmt: Format for section header.
+        # p_idx: Indexes to find p_type, p_offset, and p_filesz.
+        e_fmt, p_fmt, p_idx = {
+            1: ("IIIIHHH", "IIIIIIII", (0, 1, 4)),  # 32-bit.
+            2: ("QQQIHHH", "IIQQQQQQ", (0, 2, 5)),  # 64-bit.
+        }[ident[4]]
+    except KeyError:
+        return None
+    else:
+        p_get = operator.itemgetter(*p_idx)
+
+    # Find the interpreter section and return its content.
+    try:
+        _, e_phoff, _, _, _, e_phentsize, e_phnum = _read_unpacked(f, e_fmt)
+    except struct.error:
+        return None
+    for i in range(e_phnum + 1):
+        f.seek(e_phoff + e_phentsize * i)
+        try:
+            p_type, p_offset, p_filesz = p_get(_read_unpacked(f, p_fmt))
+        except struct.error:
+            return None
+        if p_type != 3:  # Not PT_INTERP.
+            continue
+        f.seek(p_offset)
+        interpreter = os.fsdecode(f.read(p_filesz)).strip("\0")
+        if "musl" not in interpreter:
+            return None
+        return interpreter
+    return None
+
+
+class _MuslVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _parse_musl_version(output: str) -> Optional[_MuslVersion]:
+    lines = [n for n in (n.strip() for n in output.splitlines()) if n]
+    if len(lines) < 2 or lines[0][:4] != "musl":
+        return None
+    m = re.match(r"Version (\d+)\.(\d+)", lines[1])
+    if not m:
+        return None
+    return _MuslVersion(major=int(m.group(1)), minor=int(m.group(2)))
+
+
+@functools.lru_cache()
+def _get_musl_version(executable: str) -> Optional[_MuslVersion]:
+    """Detect currently-running musl runtime version.
+
+    This is done by checking the specified executable's dynamic linking
+    information, and invoking the loader to parse its output for a version
+    string. If the loader is musl, the output would be something like::
+
+        musl libc (x86_64)
+        Version 1.2.2
+        Dynamic Program Loader
+    """
+    with contextlib.ExitStack() as stack:
+        try:
+            f = stack.enter_context(open(executable, "rb"))
+        except IOError:
+            return None
+        ld = _parse_ld_musl_from_elf(f)
+    if not ld:
+        return None
+    proc = subprocess.run([ld], stderr=subprocess.PIPE, universal_newlines=True)
+    return _parse_musl_version(proc.stderr)
+
+
+def platform_tags(arch: str) -> Iterator[str]:
+    """Generate musllinux tags compatible to the current platform.
+
+    :param arch: Should be the part of platform tag after the ``linux_``
+        prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a
+        prerequisite for the current platform to be musllinux-compatible.
+
+    :returns: An iterator of compatible musllinux tags.
+    """
+    sys_musl = _get_musl_version(sys.executable)
+    if sys_musl is None:  # Python not dynamically linked against musl.
+        return
+    for minor in range(sys_musl.minor, -1, -1):
+        yield f"musllinux_{sys_musl.major}_{minor}_{arch}"
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sysconfig
+
+    plat = sysconfig.get_platform()
+    assert plat.startswith("linux-"), "not linux"
+
+    print("plat:", plat)
+    print("musl:", _get_musl_version(sys.executable))
+    print("tags:", end=" ")
+    for t in platform_tags(re.sub(r"[.-]", "_", plat.split("-", 1)[-1])):
+        print(t, end="\n      ")
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_structures.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_structures.py
new file mode 100644
index 0000000000000000000000000000000000000000..951549753afa255148c7c60d868303963f8c1813
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/_structures.py
@@ -0,0 +1,67 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+
+class InfinityType:
+    def __repr__(self) -> str:
+        return "Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return False
+
+    def __le__(self, other: object) -> bool:
+        return False
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __ne__(self, other: object) -> bool:
+        return not isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return True
+
+    def __ge__(self, other: object) -> bool:
+        return True
+
+    def __neg__(self: object) -> "NegativeInfinityType":
+        return NegativeInfinity
+
+
+Infinity = InfinityType()
+
+
+class NegativeInfinityType:
+    def __repr__(self) -> str:
+        return "-Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return True
+
+    def __le__(self, other: object) -> bool:
+        return True
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __ne__(self, other: object) -> bool:
+        return not isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return False
+
+    def __ge__(self, other: object) -> bool:
+        return False
+
+    def __neg__(self: object) -> InfinityType:
+        return Infinity
+
+
+NegativeInfinity = NegativeInfinityType()
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/markers.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/markers.py
new file mode 100644
index 0000000000000000000000000000000000000000..18769b09a8a34f1e7d63cc61e62cd128ff5f9484
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/markers.py
@@ -0,0 +1,304 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import operator
+import os
+import platform
+import sys
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
+
+from pkg_resources.extern.pyparsing import (  # noqa: N817
+    Forward,
+    Group,
+    Literal as L,
+    ParseException,
+    ParseResults,
+    QuotedString,
+    ZeroOrMore,
+    stringEnd,
+    stringStart,
+)
+
+from .specifiers import InvalidSpecifier, Specifier
+
+__all__ = [
+    "InvalidMarker",
+    "UndefinedComparison",
+    "UndefinedEnvironmentName",
+    "Marker",
+    "default_environment",
+]
+
+Operator = Callable[[str, str], bool]
+
+
+class InvalidMarker(ValueError):
+    """
+    An invalid marker was found, users should refer to PEP 508.
+    """
+
+
+class UndefinedComparison(ValueError):
+    """
+    An invalid operation was attempted on a value that doesn't support it.
+    """
+
+
+class UndefinedEnvironmentName(ValueError):
+    """
+    A name was attempted to be used that does not exist inside of the
+    environment.
+    """
+
+
+class Node:
+    def __init__(self, value: Any) -> None:
+        self.value = value
+
+    def __str__(self) -> str:
+        return str(self.value)
+
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__}('{self}')>"
+
+    def serialize(self) -> str:
+        raise NotImplementedError
+
+
+class Variable(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+class Value(Node):
+    def serialize(self) -> str:
+        return f'"{self}"'
+
+
+class Op(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+VARIABLE = (
+    L("implementation_version")
+    | L("platform_python_implementation")
+    | L("implementation_name")
+    | L("python_full_version")
+    | L("platform_release")
+    | L("platform_version")
+    | L("platform_machine")
+    | L("platform_system")
+    | L("python_version")
+    | L("sys_platform")
+    | L("os_name")
+    | L("os.name")  # PEP-345
+    | L("sys.platform")  # PEP-345
+    | L("platform.version")  # PEP-345
+    | L("platform.machine")  # PEP-345
+    | L("platform.python_implementation")  # PEP-345
+    | L("python_implementation")  # undocumented setuptools legacy
+    | L("extra")  # PEP-508
+)
+ALIASES = {
+    "os.name": "os_name",
+    "sys.platform": "sys_platform",
+    "platform.version": "platform_version",
+    "platform.machine": "platform_machine",
+    "platform.python_implementation": "platform_python_implementation",
+    "python_implementation": "platform_python_implementation",
+}
+VARIABLE.setParseAction(lambda s, l, t: Variable(ALIASES.get(t[0], t[0])))
+
+VERSION_CMP = (
+    L("===") | L("==") | L(">=") | L("<=") | L("!=") | L("~=") | L(">") | L("<")
+)
+
+MARKER_OP = VERSION_CMP | L("not in") | L("in")
+MARKER_OP.setParseAction(lambda s, l, t: Op(t[0]))
+
+MARKER_VALUE = QuotedString("'") | QuotedString('"')
+MARKER_VALUE.setParseAction(lambda s, l, t: Value(t[0]))
+
+BOOLOP = L("and") | L("or")
+
+MARKER_VAR = VARIABLE | MARKER_VALUE
+
+MARKER_ITEM = Group(MARKER_VAR + MARKER_OP + MARKER_VAR)
+MARKER_ITEM.setParseAction(lambda s, l, t: tuple(t[0]))
+
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+
+MARKER_EXPR = Forward()
+MARKER_ATOM = MARKER_ITEM | Group(LPAREN + MARKER_EXPR + RPAREN)
+MARKER_EXPR << MARKER_ATOM + ZeroOrMore(BOOLOP + MARKER_EXPR)
+
+MARKER = stringStart + MARKER_EXPR + stringEnd
+
+
+def _coerce_parse_result(results: Union[ParseResults, List[Any]]) -> List[Any]:
+    if isinstance(results, ParseResults):
+        return [_coerce_parse_result(i) for i in results]
+    else:
+        return results
+
+
+def _format_marker(
+    marker: Union[List[str], Tuple[Node, ...], str], first: Optional[bool] = True
+) -> str:
+
+    assert isinstance(marker, (list, tuple, str))
+
+    # Sometimes we have a structure like [[...]] which is a single item list
+    # where the single item is itself it's own list. In that case we want skip
+    # the rest of this function so that we don't get extraneous () on the
+    # outside.
+    if (
+        isinstance(marker, list)
+        and len(marker) == 1
+        and isinstance(marker[0], (list, tuple))
+    ):
+        return _format_marker(marker[0])
+
+    if isinstance(marker, list):
+        inner = (_format_marker(m, first=False) for m in marker)
+        if first:
+            return " ".join(inner)
+        else:
+            return "(" + " ".join(inner) + ")"
+    elif isinstance(marker, tuple):
+        return " ".join([m.serialize() for m in marker])
+    else:
+        return marker
+
+
+_operators: Dict[str, Operator] = {
+    "in": lambda lhs, rhs: lhs in rhs,
+    "not in": lambda lhs, rhs: lhs not in rhs,
+    "<": operator.lt,
+    "<=": operator.le,
+    "==": operator.eq,
+    "!=": operator.ne,
+    ">=": operator.ge,
+    ">": operator.gt,
+}
+
+
+def _eval_op(lhs: str, op: Op, rhs: str) -> bool:
+    try:
+        spec = Specifier("".join([op.serialize(), rhs]))
+    except InvalidSpecifier:
+        pass
+    else:
+        return spec.contains(lhs)
+
+    oper: Optional[Operator] = _operators.get(op.serialize())
+    if oper is None:
+        raise UndefinedComparison(f"Undefined {op!r} on {lhs!r} and {rhs!r}.")
+
+    return oper(lhs, rhs)
+
+
+class Undefined:
+    pass
+
+
+_undefined = Undefined()
+
+
+def _get_env(environment: Dict[str, str], name: str) -> str:
+    value: Union[str, Undefined] = environment.get(name, _undefined)
+
+    if isinstance(value, Undefined):
+        raise UndefinedEnvironmentName(
+            f"{name!r} does not exist in evaluation environment."
+        )
+
+    return value
+
+
+def _evaluate_markers(markers: List[Any], environment: Dict[str, str]) -> bool:
+    groups: List[List[bool]] = [[]]
+
+    for marker in markers:
+        assert isinstance(marker, (list, tuple, str))
+
+        if isinstance(marker, list):
+            groups[-1].append(_evaluate_markers(marker, environment))
+        elif isinstance(marker, tuple):
+            lhs, op, rhs = marker
+
+            if isinstance(lhs, Variable):
+                lhs_value = _get_env(environment, lhs.value)
+                rhs_value = rhs.value
+            else:
+                lhs_value = lhs.value
+                rhs_value = _get_env(environment, rhs.value)
+
+            groups[-1].append(_eval_op(lhs_value, op, rhs_value))
+        else:
+            assert marker in ["and", "or"]
+            if marker == "or":
+                groups.append([])
+
+    return any(all(item) for item in groups)
+
+
+def format_full_version(info: "sys._version_info") -> str:
+    version = "{0.major}.{0.minor}.{0.micro}".format(info)
+    kind = info.releaselevel
+    if kind != "final":
+        version += kind[0] + str(info.serial)
+    return version
+
+
+def default_environment() -> Dict[str, str]:
+    iver = format_full_version(sys.implementation.version)
+    implementation_name = sys.implementation.name
+    return {
+        "implementation_name": implementation_name,
+        "implementation_version": iver,
+        "os_name": os.name,
+        "platform_machine": platform.machine(),
+        "platform_release": platform.release(),
+        "platform_system": platform.system(),
+        "platform_version": platform.version(),
+        "python_full_version": platform.python_version(),
+        "platform_python_implementation": platform.python_implementation(),
+        "python_version": ".".join(platform.python_version_tuple()[:2]),
+        "sys_platform": sys.platform,
+    }
+
+
+class Marker:
+    def __init__(self, marker: str) -> None:
+        try:
+            self._markers = _coerce_parse_result(MARKER.parseString(marker))
+        except ParseException as e:
+            raise InvalidMarker(
+                f"Invalid marker: {marker!r}, parse error at "
+                f"{marker[e.loc : e.loc + 8]!r}"
+            )
+
+    def __str__(self) -> str:
+        return _format_marker(self._markers)
+
+    def __repr__(self) -> str:
+        return f"<Marker('{self}')>"
+
+    def evaluate(self, environment: Optional[Dict[str, str]] = None) -> bool:
+        """Evaluate a marker.
+
+        Return the boolean from evaluating the given marker against the
+        environment. environment is an optional argument to override all or
+        part of the determined environment.
+
+        The environment is determined from the current Python process.
+        """
+        current_environment = default_environment()
+        if environment is not None:
+            current_environment.update(environment)
+
+        return _evaluate_markers(self._markers, current_environment)
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/requirements.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/requirements.py
new file mode 100644
index 0000000000000000000000000000000000000000..6af14ec4ce49e633d030611c26f0bd9beaf13e6a
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/requirements.py
@@ -0,0 +1,146 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+import string
+import urllib.parse
+from typing import List, Optional as TOptional, Set
+
+from pkg_resources.extern.pyparsing import (  # noqa
+    Combine,
+    Literal as L,
+    Optional,
+    ParseException,
+    Regex,
+    Word,
+    ZeroOrMore,
+    originalTextFor,
+    stringEnd,
+    stringStart,
+)
+
+from .markers import MARKER_EXPR, Marker
+from .specifiers import LegacySpecifier, Specifier, SpecifierSet
+
+
+class InvalidRequirement(ValueError):
+    """
+    An invalid requirement was found, users should refer to PEP 508.
+    """
+
+
+ALPHANUM = Word(string.ascii_letters + string.digits)
+
+LBRACKET = L("[").suppress()
+RBRACKET = L("]").suppress()
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+COMMA = L(",").suppress()
+SEMICOLON = L(";").suppress()
+AT = L("@").suppress()
+
+PUNCTUATION = Word("-_.")
+IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM)
+IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END))
+
+NAME = IDENTIFIER("name")
+EXTRA = IDENTIFIER
+
+URI = Regex(r"[^ ]+")("url")
+URL = AT + URI
+
+EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA)
+EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras")
+
+VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE)
+VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE)
+
+VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY
+VERSION_MANY = Combine(
+    VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False
+)("_raw_spec")
+_VERSION_SPEC = Optional((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)
+_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or "")
+
+VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier")
+VERSION_SPEC.setParseAction(lambda s, l, t: t[1])
+
+MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
+MARKER_EXPR.setParseAction(
+    lambda s, l, t: Marker(s[t._original_start : t._original_end])
+)
+MARKER_SEPARATOR = SEMICOLON
+MARKER = MARKER_SEPARATOR + MARKER_EXPR
+
+VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER)
+URL_AND_MARKER = URL + Optional(MARKER)
+
+NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)
+
+REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd
+# pkg_resources.extern.pyparsing isn't thread safe during initialization, so we do it eagerly, see
+# issue #104
+REQUIREMENT.parseString("x[]")
+
+
+class Requirement:
+    """Parse a requirement.
+
+    Parse a given requirement string into its parts, such as name, specifier,
+    URL, and extras. Raises InvalidRequirement on a badly-formed requirement
+    string.
+    """
+
+    # TODO: Can we test whether something is contained within a requirement?
+    #       If so how do we do that? Do we need to test against the _name_ of
+    #       the thing as well as the version? What about the markers?
+    # TODO: Can we normalize the name and extra name?
+
+    def __init__(self, requirement_string: str) -> None:
+        try:
+            req = REQUIREMENT.parseString(requirement_string)
+        except ParseException as e:
+            raise InvalidRequirement(
+                f'Parse error at "{ requirement_string[e.loc : e.loc + 8]!r}": {e.msg}'
+            )
+
+        self.name: str = req.name
+        if req.url:
+            parsed_url = urllib.parse.urlparse(req.url)
+            if parsed_url.scheme == "file":
+                if urllib.parse.urlunparse(parsed_url) != req.url:
+                    raise InvalidRequirement("Invalid URL given")
+            elif not (parsed_url.scheme and parsed_url.netloc) or (
+                not parsed_url.scheme and not parsed_url.netloc
+            ):
+                raise InvalidRequirement(f"Invalid URL: {req.url}")
+            self.url: TOptional[str] = req.url
+        else:
+            self.url = None
+        self.extras: Set[str] = set(req.extras.asList() if req.extras else [])
+        self.specifier: SpecifierSet = SpecifierSet(req.specifier)
+        self.marker: TOptional[Marker] = req.marker if req.marker else None
+
+    def __str__(self) -> str:
+        parts: List[str] = [self.name]
+
+        if self.extras:
+            formatted_extras = ",".join(sorted(self.extras))
+            parts.append(f"[{formatted_extras}]")
+
+        if self.specifier:
+            parts.append(str(self.specifier))
+
+        if self.url:
+            parts.append(f"@ {self.url}")
+            if self.marker:
+                parts.append(" ")
+
+        if self.marker:
+            parts.append(f"; {self.marker}")
+
+        return "".join(parts)
+
+    def __repr__(self) -> str:
+        return f"<Requirement('{self}')>"
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/specifiers.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/specifiers.py
new file mode 100644
index 0000000000000000000000000000000000000000..ce66bd4addbde1e332e9a42f6eb62adc471193e5
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/specifiers.py
@@ -0,0 +1,828 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import abc
+import functools
+import itertools
+import re
+import warnings
+from typing import (
+    Callable,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Pattern,
+    Set,
+    Tuple,
+    TypeVar,
+    Union,
+)
+
+from .utils import canonicalize_version
+from .version import LegacyVersion, Version, parse
+
+ParsedVersion = Union[Version, LegacyVersion]
+UnparsedVersion = Union[Version, LegacyVersion, str]
+VersionTypeVar = TypeVar("VersionTypeVar", bound=UnparsedVersion)
+CallableOperator = Callable[[ParsedVersion, str], bool]
+
+
+class InvalidSpecifier(ValueError):
+    """
+    An invalid specifier was found, users should refer to PEP 440.
+    """
+
+
+class BaseSpecifier(metaclass=abc.ABCMeta):
+    @abc.abstractmethod
+    def __str__(self) -> str:
+        """
+        Returns the str representation of this Specifier like object. This
+        should be representative of the Specifier itself.
+        """
+
+    @abc.abstractmethod
+    def __hash__(self) -> int:
+        """
+        Returns a hash value for this Specifier like object.
+        """
+
+    @abc.abstractmethod
+    def __eq__(self, other: object) -> bool:
+        """
+        Returns a boolean representing whether or not the two Specifier like
+        objects are equal.
+        """
+
+    @abc.abstractmethod
+    def __ne__(self, other: object) -> bool:
+        """
+        Returns a boolean representing whether or not the two Specifier like
+        objects are not equal.
+        """
+
+    @abc.abstractproperty
+    def prereleases(self) -> Optional[bool]:
+        """
+        Returns whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        """
+        Sets whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @abc.abstractmethod
+    def contains(self, item: str, prereleases: Optional[bool] = None) -> bool:
+        """
+        Determines if the given item is contained within this specifier.
+        """
+
+    @abc.abstractmethod
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+        """
+        Takes an iterable of items and filters them so that only items which
+        are contained within this specifier are allowed in it.
+        """
+
+
+class _IndividualSpecifier(BaseSpecifier):
+
+    _operators: Dict[str, str] = {}
+    _regex: Pattern[str]
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        match = self._regex.search(spec)
+        if not match:
+            raise InvalidSpecifier(f"Invalid specifier: '{spec}'")
+
+        self._spec: Tuple[str, str] = (
+            match.group("operator").strip(),
+            match.group("version").strip(),
+        )
+
+        # Store whether or not this Specifier should accept prereleases
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return "<{}({!r}{})>".format(self.__class__.__name__, str(self), pre)
+
+    def __str__(self) -> str:
+        return "{}{}".format(*self._spec)
+
+    @property
+    def _canonical_spec(self) -> Tuple[str, str]:
+        return self._spec[0], canonicalize_version(self._spec[1])
+
+    def __hash__(self) -> int:
+        return hash(self._canonical_spec)
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, str):
+            try:
+                other = self.__class__(str(other))
+            except InvalidSpecifier:
+                return NotImplemented
+        elif not isinstance(other, self.__class__):
+            return NotImplemented
+
+        return self._canonical_spec == other._canonical_spec
+
+    def __ne__(self, other: object) -> bool:
+        if isinstance(other, str):
+            try:
+                other = self.__class__(str(other))
+            except InvalidSpecifier:
+                return NotImplemented
+        elif not isinstance(other, self.__class__):
+            return NotImplemented
+
+        return self._spec != other._spec
+
+    def _get_operator(self, op: str) -> CallableOperator:
+        operator_callable: CallableOperator = getattr(
+            self, f"_compare_{self._operators[op]}"
+        )
+        return operator_callable
+
+    def _coerce_version(self, version: UnparsedVersion) -> ParsedVersion:
+        if not isinstance(version, (LegacyVersion, Version)):
+            version = parse(version)
+        return version
+
+    @property
+    def operator(self) -> str:
+        return self._spec[0]
+
+    @property
+    def version(self) -> str:
+        return self._spec[1]
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+        return self._prereleases
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: str) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Determine if prereleases are to be allowed or not.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # Normalize item to a Version or LegacyVersion, this allows us to have
+        # a shortcut for ``"2.0" in Specifier(">=2")
+        normalized_item = self._coerce_version(item)
+
+        # Determine if we should be supporting prereleases in this specifier
+        # or not, if we do not support prereleases than we can short circuit
+        # logic if this version is a prereleases.
+        if normalized_item.is_prerelease and not prereleases:
+            return False
+
+        # Actually do the comparison to determine if this item is contained
+        # within this Specifier or not.
+        operator_callable: CallableOperator = self._get_operator(self.operator)
+        return operator_callable(normalized_item, self.version)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        yielded = False
+        found_prereleases = []
+
+        kw = {"prereleases": prereleases if prereleases is not None else True}
+
+        # Attempt to iterate over all the values in the iterable and if any of
+        # them match, yield them.
+        for version in iterable:
+            parsed_version = self._coerce_version(version)
+
+            if self.contains(parsed_version, **kw):
+                # If our version is a prerelease, and we were not set to allow
+                # prereleases, then we'll store it for later in case nothing
+                # else matches this specifier.
+                if parsed_version.is_prerelease and not (
+                    prereleases or self.prereleases
+                ):
+                    found_prereleases.append(version)
+                # Either this is not a prerelease, or we should have been
+                # accepting prereleases from the beginning.
+                else:
+                    yielded = True
+                    yield version
+
+        # Now that we've iterated over everything, determine if we've yielded
+        # any values, and if we have not and we have any prereleases stored up
+        # then we will go ahead and yield the prereleases.
+        if not yielded and found_prereleases:
+            for version in found_prereleases:
+                yield version
+
+
+class LegacySpecifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(==|!=|<=|>=|<|>))
+        \s*
+        (?P<version>
+            [^,;\s)]* # Since this is a "legacy" specifier, and the version
+                      # string can be just about anything, we match everything
+                      # except for whitespace, a semi-colon for marker support,
+                      # a closing paren since versions can be enclosed in
+                      # them, and a comma since it's a version separator.
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+    }
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        super().__init__(spec, prereleases)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def _coerce_version(self, version: UnparsedVersion) -> LegacyVersion:
+        if not isinstance(version, LegacyVersion):
+            version = LegacyVersion(str(version))
+        return version
+
+    def _compare_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective == self._coerce_version(spec)
+
+    def _compare_not_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective != self._coerce_version(spec)
+
+    def _compare_less_than_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective <= self._coerce_version(spec)
+
+    def _compare_greater_than_equal(
+        self, prospective: LegacyVersion, spec: str
+    ) -> bool:
+        return prospective >= self._coerce_version(spec)
+
+    def _compare_less_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective < self._coerce_version(spec)
+
+    def _compare_greater_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective > self._coerce_version(spec)
+
+
+def _require_version_compare(
+    fn: Callable[["Specifier", ParsedVersion, str], bool]
+) -> Callable[["Specifier", ParsedVersion, str], bool]:
+    @functools.wraps(fn)
+    def wrapped(self: "Specifier", prospective: ParsedVersion, spec: str) -> bool:
+        if not isinstance(prospective, Version):
+            return False
+        return fn(self, prospective, spec)
+
+    return wrapped
+
+
+class Specifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(~=|==|!=|<=|>=|<|>|===))
+        (?P<version>
+            (?:
+                # The identity operators allow for an escape hatch that will
+                # do an exact string match of the version you wish to install.
+                # This will not be parsed by PEP 440 and we cannot determine
+                # any semantic meaning from it. This operator is discouraged
+                # but included entirely as an escape hatch.
+                (?<====)  # Only match for the identity operator
+                \s*
+                [^\s]*    # We just match everything, except for whitespace
+                          # since we are only testing for strict identity.
+            )
+            |
+            (?:
+                # The (non)equality operators allow for wild card and local
+                # versions to be specified so we have to define these two
+                # operators separately to enable that.
+                (?<===|!=)            # Only match for equals and not equals
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+
+                # You cannot use a wild card and a dev or local version
+                # together so group them with a | and make them optional.
+                (?:
+                    (?:[-_\.]?dev[-_\.]?[0-9]*)?         # dev release
+                    (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local
+                    |
+                    \.\*  # Wild card syntax of .*
+                )?
+            )
+            |
+            (?:
+                # The compatible operator requires at least two digits in the
+                # release segment.
+                (?<=~=)               # Only match for the compatible operator
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)+   # release  (We have a + instead of a *)
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+            |
+            (?:
+                # All other operators only allow a sub set of what the
+                # (non)equality operators do. Specifically they do not allow
+                # local versions to be specified nor do they allow the prefix
+                # matching wild cards.
+                (?<!==|!=|~=)         # We have special cases for these
+                                      # operators so we want to make sure they
+                                      # don't match here.
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "~=": "compatible",
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+        "===": "arbitrary",
+    }
+
+    @_require_version_compare
+    def _compare_compatible(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # Compatible releases have an equivalent combination of >= and ==. That
+        # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to
+        # implement this in terms of the other specifiers instead of
+        # implementing it ourselves. The only thing we need to do is construct
+        # the other specifiers.
+
+        # We want everything but the last item in the version, but we want to
+        # ignore suffix segments.
+        prefix = ".".join(
+            list(itertools.takewhile(_is_not_suffix, _version_split(spec)))[:-1]
+        )
+
+        # Add the prefix notation to the end of our string
+        prefix += ".*"
+
+        return self._get_operator(">=")(prospective, spec) and self._get_operator("==")(
+            prospective, prefix
+        )
+
+    @_require_version_compare
+    def _compare_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # We need special logic to handle prefix matching
+        if spec.endswith(".*"):
+            # In the case of prefix matching we want to ignore local segment.
+            prospective = Version(prospective.public)
+            # Split the spec out by dots, and pretend that there is an implicit
+            # dot in between a release segment and a pre-release segment.
+            split_spec = _version_split(spec[:-2])  # Remove the trailing .*
+
+            # Split the prospective version out by dots, and pretend that there
+            # is an implicit dot in between a release segment and a pre-release
+            # segment.
+            split_prospective = _version_split(str(prospective))
+
+            # Shorten the prospective version to be the same length as the spec
+            # so that we can determine if the specifier is a prefix of the
+            # prospective version or not.
+            shortened_prospective = split_prospective[: len(split_spec)]
+
+            # Pad out our two sides with zeros so that they both equal the same
+            # length.
+            padded_spec, padded_prospective = _pad_version(
+                split_spec, shortened_prospective
+            )
+
+            return padded_prospective == padded_spec
+        else:
+            # Convert our spec string into a Version
+            spec_version = Version(spec)
+
+            # If the specifier does not have a local segment, then we want to
+            # act as if the prospective version also does not have a local
+            # segment.
+            if not spec_version.local:
+                prospective = Version(prospective.public)
+
+            return prospective == spec_version
+
+    @_require_version_compare
+    def _compare_not_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+        return not self._compare_equal(prospective, spec)
+
+    @_require_version_compare
+    def _compare_less_than_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) <= Version(spec)
+
+    @_require_version_compare
+    def _compare_greater_than_equal(
+        self, prospective: ParsedVersion, spec: str
+    ) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) >= Version(spec)
+
+    @_require_version_compare
+    def _compare_less_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is less than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective < spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a pre-release version, that we do not accept pre-release
+        # versions for the version mentioned in the specifier (e.g. <3.1 should
+        # not match 3.1.dev0, but should match 3.0.dev0).
+        if not spec.is_prerelease and prospective.is_prerelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # less than the spec version *and* it's not a pre-release of the same
+        # version in the spec.
+        return True
+
+    @_require_version_compare
+    def _compare_greater_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is greater than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective > spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a post-release version, that we do not accept
+        # post-release versions for the version mentioned in the specifier
+        # (e.g. >3.1 should not match 3.0.post0, but should match 3.2.post0).
+        if not spec.is_postrelease and prospective.is_postrelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # Ensure that we do not allow a local version of the version mentioned
+        # in the specifier, which is technically greater than, to match.
+        if prospective.local is not None:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # greater than the spec version *and* it's not a pre-release of the
+        # same version in the spec.
+        return True
+
+    def _compare_arbitrary(self, prospective: Version, spec: str) -> bool:
+        return str(prospective).lower() == str(spec).lower()
+
+    @property
+    def prereleases(self) -> bool:
+
+        # If there is an explicit prereleases set for this, then we'll just
+        # blindly use that.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # Look at all of our specifiers and determine if they are inclusive
+        # operators, and if they are if they are including an explicit
+        # prerelease.
+        operator, version = self._spec
+        if operator in ["==", ">=", "<=", "~=", "==="]:
+            # The == specifier can include a trailing .*, if it does we
+            # want to remove before parsing.
+            if operator == "==" and version.endswith(".*"):
+                version = version[:-2]
+
+            # Parse the version, and if it is a pre-release than this
+            # specifier allows pre-releases.
+            if parse(version).is_prerelease:
+                return True
+
+        return False
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+
+_prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$")
+
+
+def _version_split(version: str) -> List[str]:
+    result: List[str] = []
+    for item in version.split("."):
+        match = _prefix_regex.search(item)
+        if match:
+            result.extend(match.groups())
+        else:
+            result.append(item)
+    return result
+
+
+def _is_not_suffix(segment: str) -> bool:
+    return not any(
+        segment.startswith(prefix) for prefix in ("dev", "a", "b", "rc", "post")
+    )
+
+
+def _pad_version(left: List[str], right: List[str]) -> Tuple[List[str], List[str]]:
+    left_split, right_split = [], []
+
+    # Get the release segment of our versions
+    left_split.append(list(itertools.takewhile(lambda x: x.isdigit(), left)))
+    right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right)))
+
+    # Get the rest of our versions
+    left_split.append(left[len(left_split[0]) :])
+    right_split.append(right[len(right_split[0]) :])
+
+    # Insert our padding
+    left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0])))
+    right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0])))
+
+    return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split)))
+
+
+class SpecifierSet(BaseSpecifier):
+    def __init__(
+        self, specifiers: str = "", prereleases: Optional[bool] = None
+    ) -> None:
+
+        # Split on , to break each individual specifier into it's own item, and
+        # strip each item to remove leading/trailing whitespace.
+        split_specifiers = [s.strip() for s in specifiers.split(",") if s.strip()]
+
+        # Parsed each individual specifier, attempting first to make it a
+        # Specifier and falling back to a LegacySpecifier.
+        parsed: Set[_IndividualSpecifier] = set()
+        for specifier in split_specifiers:
+            try:
+                parsed.add(Specifier(specifier))
+            except InvalidSpecifier:
+                parsed.add(LegacySpecifier(specifier))
+
+        # Turn our parsed specifiers into a frozen set and save them for later.
+        self._specs = frozenset(parsed)
+
+        # Store our prereleases value so we can use it later to determine if
+        # we accept prereleases or not.
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return "<SpecifierSet({!r}{})>".format(str(self), pre)
+
+    def __str__(self) -> str:
+        return ",".join(sorted(str(s) for s in self._specs))
+
+    def __hash__(self) -> int:
+        return hash(self._specs)
+
+    def __and__(self, other: Union["SpecifierSet", str]) -> "SpecifierSet":
+        if isinstance(other, str):
+            other = SpecifierSet(other)
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        specifier = SpecifierSet()
+        specifier._specs = frozenset(self._specs | other._specs)
+
+        if self._prereleases is None and other._prereleases is not None:
+            specifier._prereleases = other._prereleases
+        elif self._prereleases is not None and other._prereleases is None:
+            specifier._prereleases = self._prereleases
+        elif self._prereleases == other._prereleases:
+            specifier._prereleases = self._prereleases
+        else:
+            raise ValueError(
+                "Cannot combine SpecifierSets with True and False prerelease "
+                "overrides."
+            )
+
+        return specifier
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, (str, _IndividualSpecifier)):
+            other = SpecifierSet(str(other))
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        return self._specs == other._specs
+
+    def __ne__(self, other: object) -> bool:
+        if isinstance(other, (str, _IndividualSpecifier)):
+            other = SpecifierSet(str(other))
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        return self._specs != other._specs
+
+    def __len__(self) -> int:
+        return len(self._specs)
+
+    def __iter__(self) -> Iterator[_IndividualSpecifier]:
+        return iter(self._specs)
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+
+        # If we have been given an explicit prerelease modifier, then we'll
+        # pass that through here.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # If we don't have any specifiers, and we don't have a forced value,
+        # then we'll just return None since we don't know if this should have
+        # pre-releases or not.
+        if not self._specs:
+            return None
+
+        # Otherwise we'll see if any of the given specifiers accept
+        # prereleases, if any of them do we'll return True, otherwise False.
+        return any(s.prereleases for s in self._specs)
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: UnparsedVersion) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Ensure that our item is a Version or LegacyVersion instance.
+        if not isinstance(item, (LegacyVersion, Version)):
+            item = parse(item)
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # We can determine if we're going to allow pre-releases by looking to
+        # see if any of the underlying items supports them. If none of them do
+        # and this item is a pre-release then we do not allow it and we can
+        # short circuit that here.
+        # Note: This means that 1.0.dev1 would not be contained in something
+        #       like >=1.0.devabc however it would be in >=1.0.debabc,>0.0.dev0
+        if not prereleases and item.is_prerelease:
+            return False
+
+        # We simply dispatch to the underlying specs here to make sure that the
+        # given version is contained within all of them.
+        # Note: This use of all() here means that an empty set of specifiers
+        #       will always return True, this is an explicit design decision.
+        return all(s.contains(item, prereleases=prereleases) for s in self._specs)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # If we have any specifiers, then we want to wrap our iterable in the
+        # filter method for each one, this will act as a logical AND amongst
+        # each specifier.
+        if self._specs:
+            for spec in self._specs:
+                iterable = spec.filter(iterable, prereleases=bool(prereleases))
+            return iterable
+        # If we do not have any specifiers, then we need to have a rough filter
+        # which will filter out any pre-releases, unless there are no final
+        # releases, and which will filter out LegacyVersion in general.
+        else:
+            filtered: List[VersionTypeVar] = []
+            found_prereleases: List[VersionTypeVar] = []
+
+            item: UnparsedVersion
+            parsed_version: Union[Version, LegacyVersion]
+
+            for item in iterable:
+                # Ensure that we some kind of Version class for this item.
+                if not isinstance(item, (LegacyVersion, Version)):
+                    parsed_version = parse(item)
+                else:
+                    parsed_version = item
+
+                # Filter out any item which is parsed as a LegacyVersion
+                if isinstance(parsed_version, LegacyVersion):
+                    continue
+
+                # Store any item which is a pre-release for later unless we've
+                # already found a final version or we are accepting prereleases
+                if parsed_version.is_prerelease and not prereleases:
+                    if not filtered:
+                        found_prereleases.append(item)
+                else:
+                    filtered.append(item)
+
+            # If we've found no items except for pre-releases, then we'll go
+            # ahead and use the pre-releases
+            if not filtered and found_prereleases and prereleases is None:
+                return found_prereleases
+
+            return filtered
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/tags.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/tags.py
new file mode 100644
index 0000000000000000000000000000000000000000..e65890a90cd709489865750e953bf347720c75cd
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/tags.py
@@ -0,0 +1,484 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import logging
+import platform
+import sys
+import sysconfig
+from importlib.machinery import EXTENSION_SUFFIXES
+from typing import (
+    Dict,
+    FrozenSet,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+    cast,
+)
+
+from . import _manylinux, _musllinux
+
+logger = logging.getLogger(__name__)
+
+PythonVersion = Sequence[int]
+MacVersion = Tuple[int, int]
+
+INTERPRETER_SHORT_NAMES: Dict[str, str] = {
+    "python": "py",  # Generic.
+    "cpython": "cp",
+    "pypy": "pp",
+    "ironpython": "ip",
+    "jython": "jy",
+}
+
+
+_32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32
+
+
+class Tag:
+    """
+    A representation of the tag triple for a wheel.
+
+    Instances are considered immutable and thus are hashable. Equality checking
+    is also supported.
+    """
+
+    __slots__ = ["_interpreter", "_abi", "_platform", "_hash"]
+
+    def __init__(self, interpreter: str, abi: str, platform: str) -> None:
+        self._interpreter = interpreter.lower()
+        self._abi = abi.lower()
+        self._platform = platform.lower()
+        # The __hash__ of every single element in a Set[Tag] will be evaluated each time
+        # that a set calls its `.disjoint()` method, which may be called hundreds of
+        # times when scanning a page of links for packages with tags matching that
+        # Set[Tag]. Pre-computing the value here produces significant speedups for
+        # downstream consumers.
+        self._hash = hash((self._interpreter, self._abi, self._platform))
+
+    @property
+    def interpreter(self) -> str:
+        return self._interpreter
+
+    @property
+    def abi(self) -> str:
+        return self._abi
+
+    @property
+    def platform(self) -> str:
+        return self._platform
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, Tag):
+            return NotImplemented
+
+        return (
+            (self._hash == other._hash)  # Short-circuit ASAP for perf reasons.
+            and (self._platform == other._platform)
+            and (self._abi == other._abi)
+            and (self._interpreter == other._interpreter)
+        )
+
+    def __hash__(self) -> int:
+        return self._hash
+
+    def __str__(self) -> str:
+        return f"{self._interpreter}-{self._abi}-{self._platform}"
+
+    def __repr__(self) -> str:
+        return "<{self} @ {self_id}>".format(self=self, self_id=id(self))
+
+
+def parse_tag(tag: str) -> FrozenSet[Tag]:
+    """
+    Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances.
+
+    Returning a set is required due to the possibility that the tag is a
+    compressed tag set.
+    """
+    tags = set()
+    interpreters, abis, platforms = tag.split("-")
+    for interpreter in interpreters.split("."):
+        for abi in abis.split("."):
+            for platform_ in platforms.split("."):
+                tags.add(Tag(interpreter, abi, platform_))
+    return frozenset(tags)
+
+
+def _get_config_var(name: str, warn: bool = False) -> Union[int, str, None]:
+    value = sysconfig.get_config_var(name)
+    if value is None and warn:
+        logger.debug(
+            "Config variable '%s' is unset, Python ABI tag may be incorrect", name
+        )
+    return value
+
+
+def _normalize_string(string: str) -> str:
+    return string.replace(".", "_").replace("-", "_")
+
+
+def _abi3_applies(python_version: PythonVersion) -> bool:
+    """
+    Determine if the Python version supports abi3.
+
+    PEP 384 was first implemented in Python 3.2.
+    """
+    return len(python_version) > 1 and tuple(python_version) >= (3, 2)
+
+
+def _cpython_abis(py_version: PythonVersion, warn: bool = False) -> List[str]:
+    py_version = tuple(py_version)  # To allow for version comparison.
+    abis = []
+    version = _version_nodot(py_version[:2])
+    debug = pymalloc = ucs4 = ""
+    with_debug = _get_config_var("Py_DEBUG", warn)
+    has_refcount = hasattr(sys, "gettotalrefcount")
+    # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled
+    # extension modules is the best option.
+    # https://github.com/pypa/pip/issues/3383#issuecomment-173267692
+    has_ext = "_d.pyd" in EXTENSION_SUFFIXES
+    if with_debug or (with_debug is None and (has_refcount or has_ext)):
+        debug = "d"
+    if py_version < (3, 8):
+        with_pymalloc = _get_config_var("WITH_PYMALLOC", warn)
+        if with_pymalloc or with_pymalloc is None:
+            pymalloc = "m"
+        if py_version < (3, 3):
+            unicode_size = _get_config_var("Py_UNICODE_SIZE", warn)
+            if unicode_size == 4 or (
+                unicode_size is None and sys.maxunicode == 0x10FFFF
+            ):
+                ucs4 = "u"
+    elif debug:
+        # Debug builds can also load "normal" extension modules.
+        # We can also assume no UCS-4 or pymalloc requirement.
+        abis.append(f"cp{version}")
+    abis.insert(
+        0,
+        "cp{version}{debug}{pymalloc}{ucs4}".format(
+            version=version, debug=debug, pymalloc=pymalloc, ucs4=ucs4
+        ),
+    )
+    return abis
+
+
+def cpython_tags(
+    python_version: Optional[PythonVersion] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a CPython interpreter.
+
+    The tags consist of:
+    - cp<python_version>-<abi>-<platform>
+    - cp<python_version>-abi3-<platform>
+    - cp<python_version>-none-<platform>
+    - cp<less than python_version>-abi3-<platform>  # Older Python versions down to 3.2.
+
+    If python_version only specifies a major version then user-provided ABIs and
+    the 'none' ABItag will be used.
+
+    If 'abi3' or 'none' are specified in 'abis' then they will be yielded at
+    their normal position and not at the beginning.
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+
+    interpreter = "cp{}".format(_version_nodot(python_version[:2]))
+
+    if abis is None:
+        if len(python_version) > 1:
+            abis = _cpython_abis(python_version, warn)
+        else:
+            abis = []
+    abis = list(abis)
+    # 'abi3' and 'none' are explicitly handled later.
+    for explicit_abi in ("abi3", "none"):
+        try:
+            abis.remove(explicit_abi)
+        except ValueError:
+            pass
+
+    platforms = list(platforms or platform_tags())
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+    if _abi3_applies(python_version):
+        yield from (Tag(interpreter, "abi3", platform_) for platform_ in platforms)
+    yield from (Tag(interpreter, "none", platform_) for platform_ in platforms)
+
+    if _abi3_applies(python_version):
+        for minor_version in range(python_version[1] - 1, 1, -1):
+            for platform_ in platforms:
+                interpreter = "cp{version}".format(
+                    version=_version_nodot((python_version[0], minor_version))
+                )
+                yield Tag(interpreter, "abi3", platform_)
+
+
+def _generic_abi() -> Iterator[str]:
+    abi = sysconfig.get_config_var("SOABI")
+    if abi:
+        yield _normalize_string(abi)
+
+
+def generic_tags(
+    interpreter: Optional[str] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a generic interpreter.
+
+    The tags consist of:
+    - <interpreter>-<abi>-<platform>
+
+    The "none" ABI will be added if it was not explicitly provided.
+    """
+    if not interpreter:
+        interp_name = interpreter_name()
+        interp_version = interpreter_version(warn=warn)
+        interpreter = "".join([interp_name, interp_version])
+    if abis is None:
+        abis = _generic_abi()
+    platforms = list(platforms or platform_tags())
+    abis = list(abis)
+    if "none" not in abis:
+        abis.append("none")
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+
+
+def _py_interpreter_range(py_version: PythonVersion) -> Iterator[str]:
+    """
+    Yields Python versions in descending order.
+
+    After the latest version, the major-only version will be yielded, and then
+    all previous versions of that major version.
+    """
+    if len(py_version) > 1:
+        yield "py{version}".format(version=_version_nodot(py_version[:2]))
+    yield "py{major}".format(major=py_version[0])
+    if len(py_version) > 1:
+        for minor in range(py_version[1] - 1, -1, -1):
+            yield "py{version}".format(version=_version_nodot((py_version[0], minor)))
+
+
+def compatible_tags(
+    python_version: Optional[PythonVersion] = None,
+    interpreter: Optional[str] = None,
+    platforms: Optional[Iterable[str]] = None,
+) -> Iterator[Tag]:
+    """
+    Yields the sequence of tags that are compatible with a specific version of Python.
+
+    The tags consist of:
+    - py*-none-<platform>
+    - <interpreter>-none-any  # ... if `interpreter` is provided.
+    - py*-none-any
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+    platforms = list(platforms or platform_tags())
+    for version in _py_interpreter_range(python_version):
+        for platform_ in platforms:
+            yield Tag(version, "none", platform_)
+    if interpreter:
+        yield Tag(interpreter, "none", "any")
+    for version in _py_interpreter_range(python_version):
+        yield Tag(version, "none", "any")
+
+
+def _mac_arch(arch: str, is_32bit: bool = _32_BIT_INTERPRETER) -> str:
+    if not is_32bit:
+        return arch
+
+    if arch.startswith("ppc"):
+        return "ppc"
+
+    return "i386"
+
+
+def _mac_binary_formats(version: MacVersion, cpu_arch: str) -> List[str]:
+    formats = [cpu_arch]
+    if cpu_arch == "x86_64":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat64", "fat32"])
+
+    elif cpu_arch == "i386":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat32", "fat"])
+
+    elif cpu_arch == "ppc64":
+        # TODO: Need to care about 32-bit PPC for ppc64 through 10.2?
+        if version > (10, 5) or version < (10, 4):
+            return []
+        formats.append("fat64")
+
+    elif cpu_arch == "ppc":
+        if version > (10, 6):
+            return []
+        formats.extend(["fat32", "fat"])
+
+    if cpu_arch in {"arm64", "x86_64"}:
+        formats.append("universal2")
+
+    if cpu_arch in {"x86_64", "i386", "ppc64", "ppc", "intel"}:
+        formats.append("universal")
+
+    return formats
+
+
+def mac_platforms(
+    version: Optional[MacVersion] = None, arch: Optional[str] = None
+) -> Iterator[str]:
+    """
+    Yields the platform tags for a macOS system.
+
+    The `version` parameter is a two-item tuple specifying the macOS version to
+    generate platform tags for. The `arch` parameter is the CPU architecture to
+    generate platform tags for. Both parameters default to the appropriate value
+    for the current system.
+    """
+    version_str, _, cpu_arch = platform.mac_ver()
+    if version is None:
+        version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2])))
+    else:
+        version = version
+    if arch is None:
+        arch = _mac_arch(cpu_arch)
+    else:
+        arch = arch
+
+    if (10, 0) <= version and version < (11, 0):
+        # Prior to Mac OS 11, each yearly release of Mac OS bumped the
+        # "minor" version number.  The major version was always 10.
+        for minor_version in range(version[1], -1, -1):
+            compat_version = 10, minor_version
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=10, minor=minor_version, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Starting with Mac OS 11, each yearly release bumps the major version
+        # number.   The minor versions are now the midyear updates.
+        for major_version in range(version[0], 10, -1):
+            compat_version = major_version, 0
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=major_version, minor=0, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Mac OS 11 on x86_64 is compatible with binaries from previous releases.
+        # Arm64 support was introduced in 11.0, so no Arm binaries from previous
+        # releases exist.
+        #
+        # However, the "universal2" binary format can have a
+        # macOS version earlier than 11.0 when the x86_64 part of the binary supports
+        # that version of macOS.
+        if arch == "x86_64":
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_formats = _mac_binary_formats(compat_version, arch)
+                for binary_format in binary_formats:
+                    yield "macosx_{major}_{minor}_{binary_format}".format(
+                        major=compat_version[0],
+                        minor=compat_version[1],
+                        binary_format=binary_format,
+                    )
+        else:
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_format = "universal2"
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=compat_version[0],
+                    minor=compat_version[1],
+                    binary_format=binary_format,
+                )
+
+
+def _linux_platforms(is_32bit: bool = _32_BIT_INTERPRETER) -> Iterator[str]:
+    linux = _normalize_string(sysconfig.get_platform())
+    if is_32bit:
+        if linux == "linux_x86_64":
+            linux = "linux_i686"
+        elif linux == "linux_aarch64":
+            linux = "linux_armv7l"
+    _, arch = linux.split("_", 1)
+    yield from _manylinux.platform_tags(linux, arch)
+    yield from _musllinux.platform_tags(arch)
+    yield linux
+
+
+def _generic_platforms() -> Iterator[str]:
+    yield _normalize_string(sysconfig.get_platform())
+
+
+def platform_tags() -> Iterator[str]:
+    """
+    Provides the platform tags for this installation.
+    """
+    if platform.system() == "Darwin":
+        return mac_platforms()
+    elif platform.system() == "Linux":
+        return _linux_platforms()
+    else:
+        return _generic_platforms()
+
+
+def interpreter_name() -> str:
+    """
+    Returns the name of the running interpreter.
+    """
+    name = sys.implementation.name
+    return INTERPRETER_SHORT_NAMES.get(name) or name
+
+
+def interpreter_version(*, warn: bool = False) -> str:
+    """
+    Returns the version of the running interpreter.
+    """
+    version = _get_config_var("py_version_nodot", warn=warn)
+    if version:
+        version = str(version)
+    else:
+        version = _version_nodot(sys.version_info[:2])
+    return version
+
+
+def _version_nodot(version: PythonVersion) -> str:
+    return "".join(map(str, version))
+
+
+def sys_tags(*, warn: bool = False) -> Iterator[Tag]:
+    """
+    Returns the sequence of tag triples for the running interpreter.
+
+    The order of the sequence corresponds to priority order for the
+    interpreter, from most to least important.
+    """
+
+    interp_name = interpreter_name()
+    if interp_name == "cp":
+        yield from cpython_tags(warn=warn)
+    else:
+        yield from generic_tags()
+
+    yield from compatible_tags()
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/utils.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/utils.py
new file mode 100644
index 0000000000000000000000000000000000000000..bab11b80c60f10a4f3bccb12eb5b17c48a449767
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/utils.py
@@ -0,0 +1,136 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+from typing import FrozenSet, NewType, Tuple, Union, cast
+
+from .tags import Tag, parse_tag
+from .version import InvalidVersion, Version
+
+BuildTag = Union[Tuple[()], Tuple[int, str]]
+NormalizedName = NewType("NormalizedName", str)
+
+
+class InvalidWheelFilename(ValueError):
+    """
+    An invalid wheel filename was found, users should refer to PEP 427.
+    """
+
+
+class InvalidSdistFilename(ValueError):
+    """
+    An invalid sdist filename was found, users should refer to the packaging user guide.
+    """
+
+
+_canonicalize_regex = re.compile(r"[-_.]+")
+# PEP 427: The build number must start with a digit.
+_build_tag_regex = re.compile(r"(\d+)(.*)")
+
+
+def canonicalize_name(name: str) -> NormalizedName:
+    # This is taken from PEP 503.
+    value = _canonicalize_regex.sub("-", name).lower()
+    return cast(NormalizedName, value)
+
+
+def canonicalize_version(version: Union[Version, str]) -> str:
+    """
+    This is very similar to Version.__str__, but has one subtle difference
+    with the way it handles the release segment.
+    """
+    if isinstance(version, str):
+        try:
+            parsed = Version(version)
+        except InvalidVersion:
+            # Legacy versions cannot be normalized
+            return version
+    else:
+        parsed = version
+
+    parts = []
+
+    # Epoch
+    if parsed.epoch != 0:
+        parts.append(f"{parsed.epoch}!")
+
+    # Release segment
+    # NB: This strips trailing '.0's to normalize
+    parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in parsed.release)))
+
+    # Pre-release
+    if parsed.pre is not None:
+        parts.append("".join(str(x) for x in parsed.pre))
+
+    # Post-release
+    if parsed.post is not None:
+        parts.append(f".post{parsed.post}")
+
+    # Development release
+    if parsed.dev is not None:
+        parts.append(f".dev{parsed.dev}")
+
+    # Local version segment
+    if parsed.local is not None:
+        parts.append(f"+{parsed.local}")
+
+    return "".join(parts)
+
+
+def parse_wheel_filename(
+    filename: str,
+) -> Tuple[NormalizedName, Version, BuildTag, FrozenSet[Tag]]:
+    if not filename.endswith(".whl"):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (extension must be '.whl'): {filename}"
+        )
+
+    filename = filename[:-4]
+    dashes = filename.count("-")
+    if dashes not in (4, 5):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (wrong number of parts): {filename}"
+        )
+
+    parts = filename.split("-", dashes - 2)
+    name_part = parts[0]
+    # See PEP 427 for the rules on escaping the project name
+    if "__" in name_part or re.match(r"^[\w\d._]*$", name_part, re.UNICODE) is None:
+        raise InvalidWheelFilename(f"Invalid project name: {filename}")
+    name = canonicalize_name(name_part)
+    version = Version(parts[1])
+    if dashes == 5:
+        build_part = parts[2]
+        build_match = _build_tag_regex.match(build_part)
+        if build_match is None:
+            raise InvalidWheelFilename(
+                f"Invalid build number: {build_part} in '{filename}'"
+            )
+        build = cast(BuildTag, (int(build_match.group(1)), build_match.group(2)))
+    else:
+        build = ()
+    tags = parse_tag(parts[-1])
+    return (name, version, build, tags)
+
+
+def parse_sdist_filename(filename: str) -> Tuple[NormalizedName, Version]:
+    if filename.endswith(".tar.gz"):
+        file_stem = filename[: -len(".tar.gz")]
+    elif filename.endswith(".zip"):
+        file_stem = filename[: -len(".zip")]
+    else:
+        raise InvalidSdistFilename(
+            f"Invalid sdist filename (extension must be '.tar.gz' or '.zip'):"
+            f" {filename}"
+        )
+
+    # We are requiring a PEP 440 version, which cannot contain dashes,
+    # so we split on the last dash.
+    name_part, sep, version_part = file_stem.rpartition("-")
+    if not sep:
+        raise InvalidSdistFilename(f"Invalid sdist filename: {filename}")
+
+    name = canonicalize_name(name_part)
+    version = Version(version_part)
+    return (name, version)
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/version.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/version.py
new file mode 100644
index 0000000000000000000000000000000000000000..de9a09a4ed3b078b37e7490a6686f660ae935aca
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/packaging/version.py
@@ -0,0 +1,504 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import collections
+import itertools
+import re
+import warnings
+from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union
+
+from ._structures import Infinity, InfinityType, NegativeInfinity, NegativeInfinityType
+
+__all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"]
+
+InfiniteTypes = Union[InfinityType, NegativeInfinityType]
+PrePostDevType = Union[InfiniteTypes, Tuple[str, int]]
+SubLocalType = Union[InfiniteTypes, int, str]
+LocalType = Union[
+    NegativeInfinityType,
+    Tuple[
+        Union[
+            SubLocalType,
+            Tuple[SubLocalType, str],
+            Tuple[NegativeInfinityType, SubLocalType],
+        ],
+        ...,
+    ],
+]
+CmpKey = Tuple[
+    int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType
+]
+LegacyCmpKey = Tuple[int, Tuple[str, ...]]
+VersionComparisonMethod = Callable[
+    [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool
+]
+
+_Version = collections.namedtuple(
+    "_Version", ["epoch", "release", "dev", "pre", "post", "local"]
+)
+
+
+def parse(version: str) -> Union["LegacyVersion", "Version"]:
+    """
+    Parse the given version string and return either a :class:`Version` object
+    or a :class:`LegacyVersion` object depending on if the given version is
+    a valid PEP 440 version or a legacy version.
+    """
+    try:
+        return Version(version)
+    except InvalidVersion:
+        return LegacyVersion(version)
+
+
+class InvalidVersion(ValueError):
+    """
+    An invalid version was found, users should refer to PEP 440.
+    """
+
+
+class _BaseVersion:
+    _key: Union[CmpKey, LegacyCmpKey]
+
+    def __hash__(self) -> int:
+        return hash(self._key)
+
+    # Please keep the duplicated `isinstance` check
+    # in the six comparisons hereunder
+    # unless you find a way to avoid adding overhead function calls.
+    def __lt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key < other._key
+
+    def __le__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key <= other._key
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key == other._key
+
+    def __ge__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key >= other._key
+
+    def __gt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key > other._key
+
+    def __ne__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key != other._key
+
+
+class LegacyVersion(_BaseVersion):
+    def __init__(self, version: str) -> None:
+        self._version = str(version)
+        self._key = _legacy_cmpkey(self._version)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def __str__(self) -> str:
+        return self._version
+
+    def __repr__(self) -> str:
+        return f"<LegacyVersion('{self}')>"
+
+    @property
+    def public(self) -> str:
+        return self._version
+
+    @property
+    def base_version(self) -> str:
+        return self._version
+
+    @property
+    def epoch(self) -> int:
+        return -1
+
+    @property
+    def release(self) -> None:
+        return None
+
+    @property
+    def pre(self) -> None:
+        return None
+
+    @property
+    def post(self) -> None:
+        return None
+
+    @property
+    def dev(self) -> None:
+        return None
+
+    @property
+    def local(self) -> None:
+        return None
+
+    @property
+    def is_prerelease(self) -> bool:
+        return False
+
+    @property
+    def is_postrelease(self) -> bool:
+        return False
+
+    @property
+    def is_devrelease(self) -> bool:
+        return False
+
+
+_legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE)
+
+_legacy_version_replacement_map = {
+    "pre": "c",
+    "preview": "c",
+    "-": "final-",
+    "rc": "c",
+    "dev": "@",
+}
+
+
+def _parse_version_parts(s: str) -> Iterator[str]:
+    for part in _legacy_version_component_re.split(s):
+        part = _legacy_version_replacement_map.get(part, part)
+
+        if not part or part == ".":
+            continue
+
+        if part[:1] in "0123456789":
+            # pad for numeric comparison
+            yield part.zfill(8)
+        else:
+            yield "*" + part
+
+    # ensure that alpha/beta/candidate are before final
+    yield "*final"
+
+
+def _legacy_cmpkey(version: str) -> LegacyCmpKey:
+
+    # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch
+    # greater than or equal to 0. This will effectively put the LegacyVersion,
+    # which uses the defacto standard originally implemented by setuptools,
+    # as before all PEP 440 versions.
+    epoch = -1
+
+    # This scheme is taken from pkg_resources.parse_version setuptools prior to
+    # it's adoption of the packaging library.
+    parts: List[str] = []
+    for part in _parse_version_parts(version.lower()):
+        if part.startswith("*"):
+            # remove "-" before a prerelease tag
+            if part < "*final":
+                while parts and parts[-1] == "*final-":
+                    parts.pop()
+
+            # remove trailing zeros from each series of numeric parts
+            while parts and parts[-1] == "00000000":
+                parts.pop()
+
+        parts.append(part)
+
+    return epoch, tuple(parts)
+
+
+# Deliberately not anchored to the start and end of the string, to make it
+# easier for 3rd party code to reuse
+VERSION_PATTERN = r"""
+    v?
+    (?:
+        (?:(?P<epoch>[0-9]+)!)?                           # epoch
+        (?P<release>[0-9]+(?:\.[0-9]+)*)                  # release segment
+        (?P<pre>                                          # pre-release
+            [-_\.]?
+            (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview))
+            [-_\.]?
+            (?P<pre_n>[0-9]+)?
+        )?
+        (?P<post>                                         # post release
+            (?:-(?P<post_n1>[0-9]+))
+            |
+            (?:
+                [-_\.]?
+                (?P<post_l>post|rev|r)
+                [-_\.]?
+                (?P<post_n2>[0-9]+)?
+            )
+        )?
+        (?P<dev>                                          # dev release
+            [-_\.]?
+            (?P<dev_l>dev)
+            [-_\.]?
+            (?P<dev_n>[0-9]+)?
+        )?
+    )
+    (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))?       # local version
+"""
+
+
+class Version(_BaseVersion):
+
+    _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    def __init__(self, version: str) -> None:
+
+        # Validate the version and parse it into pieces
+        match = self._regex.search(version)
+        if not match:
+            raise InvalidVersion(f"Invalid version: '{version}'")
+
+        # Store the parsed out pieces of the version
+        self._version = _Version(
+            epoch=int(match.group("epoch")) if match.group("epoch") else 0,
+            release=tuple(int(i) for i in match.group("release").split(".")),
+            pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")),
+            post=_parse_letter_version(
+                match.group("post_l"), match.group("post_n1") or match.group("post_n2")
+            ),
+            dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")),
+            local=_parse_local_version(match.group("local")),
+        )
+
+        # Generate a key which will be used for sorting
+        self._key = _cmpkey(
+            self._version.epoch,
+            self._version.release,
+            self._version.pre,
+            self._version.post,
+            self._version.dev,
+            self._version.local,
+        )
+
+    def __repr__(self) -> str:
+        return f"<Version('{self}')>"
+
+    def __str__(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        # Pre-release
+        if self.pre is not None:
+            parts.append("".join(str(x) for x in self.pre))
+
+        # Post-release
+        if self.post is not None:
+            parts.append(f".post{self.post}")
+
+        # Development release
+        if self.dev is not None:
+            parts.append(f".dev{self.dev}")
+
+        # Local version segment
+        if self.local is not None:
+            parts.append(f"+{self.local}")
+
+        return "".join(parts)
+
+    @property
+    def epoch(self) -> int:
+        _epoch: int = self._version.epoch
+        return _epoch
+
+    @property
+    def release(self) -> Tuple[int, ...]:
+        _release: Tuple[int, ...] = self._version.release
+        return _release
+
+    @property
+    def pre(self) -> Optional[Tuple[str, int]]:
+        _pre: Optional[Tuple[str, int]] = self._version.pre
+        return _pre
+
+    @property
+    def post(self) -> Optional[int]:
+        return self._version.post[1] if self._version.post else None
+
+    @property
+    def dev(self) -> Optional[int]:
+        return self._version.dev[1] if self._version.dev else None
+
+    @property
+    def local(self) -> Optional[str]:
+        if self._version.local:
+            return ".".join(str(x) for x in self._version.local)
+        else:
+            return None
+
+    @property
+    def public(self) -> str:
+        return str(self).split("+", 1)[0]
+
+    @property
+    def base_version(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        return "".join(parts)
+
+    @property
+    def is_prerelease(self) -> bool:
+        return self.dev is not None or self.pre is not None
+
+    @property
+    def is_postrelease(self) -> bool:
+        return self.post is not None
+
+    @property
+    def is_devrelease(self) -> bool:
+        return self.dev is not None
+
+    @property
+    def major(self) -> int:
+        return self.release[0] if len(self.release) >= 1 else 0
+
+    @property
+    def minor(self) -> int:
+        return self.release[1] if len(self.release) >= 2 else 0
+
+    @property
+    def micro(self) -> int:
+        return self.release[2] if len(self.release) >= 3 else 0
+
+
+def _parse_letter_version(
+    letter: str, number: Union[str, bytes, SupportsInt]
+) -> Optional[Tuple[str, int]]:
+
+    if letter:
+        # We consider there to be an implicit 0 in a pre-release if there is
+        # not a numeral associated with it.
+        if number is None:
+            number = 0
+
+        # We normalize any letters to their lower case form
+        letter = letter.lower()
+
+        # We consider some words to be alternate spellings of other words and
+        # in those cases we want to normalize the spellings to our preferred
+        # spelling.
+        if letter == "alpha":
+            letter = "a"
+        elif letter == "beta":
+            letter = "b"
+        elif letter in ["c", "pre", "preview"]:
+            letter = "rc"
+        elif letter in ["rev", "r"]:
+            letter = "post"
+
+        return letter, int(number)
+    if not letter and number:
+        # We assume if we are given a number, but we are not given a letter
+        # then this is using the implicit post release syntax (e.g. 1.0-1)
+        letter = "post"
+
+        return letter, int(number)
+
+    return None
+
+
+_local_version_separators = re.compile(r"[\._-]")
+
+
+def _parse_local_version(local: str) -> Optional[LocalType]:
+    """
+    Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
+    """
+    if local is not None:
+        return tuple(
+            part.lower() if not part.isdigit() else int(part)
+            for part in _local_version_separators.split(local)
+        )
+    return None
+
+
+def _cmpkey(
+    epoch: int,
+    release: Tuple[int, ...],
+    pre: Optional[Tuple[str, int]],
+    post: Optional[Tuple[str, int]],
+    dev: Optional[Tuple[str, int]],
+    local: Optional[Tuple[SubLocalType]],
+) -> CmpKey:
+
+    # When we compare a release version, we want to compare it with all of the
+    # trailing zeros removed. So we'll use a reverse the list, drop all the now
+    # leading zeros until we come to something non zero, then take the rest
+    # re-reverse it back into the correct order and make it a tuple and use
+    # that for our sorting key.
+    _release = tuple(
+        reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
+    )
+
+    # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0.
+    # We'll do this by abusing the pre segment, but we _only_ want to do this
+    # if there is not a pre or a post segment. If we have one of those then
+    # the normal sorting rules will handle this case correctly.
+    if pre is None and post is None and dev is not None:
+        _pre: PrePostDevType = NegativeInfinity
+    # Versions without a pre-release (except as noted above) should sort after
+    # those with one.
+    elif pre is None:
+        _pre = Infinity
+    else:
+        _pre = pre
+
+    # Versions without a post segment should sort before those with one.
+    if post is None:
+        _post: PrePostDevType = NegativeInfinity
+
+    else:
+        _post = post
+
+    # Versions without a development segment should sort after those with one.
+    if dev is None:
+        _dev: PrePostDevType = Infinity
+
+    else:
+        _dev = dev
+
+    if local is None:
+        # Versions without a local segment should sort before those with one.
+        _local: LocalType = NegativeInfinity
+    else:
+        # Versions with a local segment need that segment parsed to implement
+        # the sorting rules in PEP440.
+        # - Alpha numeric segments sort before numeric segments
+        # - Alpha numeric segments sort lexicographically
+        # - Numeric segments sort numerically
+        # - Shorter versions sort before longer versions when the prefixes
+        #   match exactly
+        _local = tuple(
+            (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local
+        )
+
+    return epoch, _release, _pre, _post, _dev, _local
diff --git a/venv/lib/python3.10/site-packages/pkg_resources/_vendor/pyparsing.py b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/pyparsing.py
new file mode 100644
index 0000000000000000000000000000000000000000..cf75e1e5fcbfe7eac41d2a9e446c5c980741087b
--- /dev/null
+++ b/venv/lib/python3.10/site-packages/pkg_resources/_vendor/pyparsing.py
@@ -0,0 +1,5742 @@
+# module pyparsing.py
+#
+# Copyright (c) 2003-2018  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__doc__ = \
+"""
+pyparsing module - Classes and methods to define and execute parsing grammars
+=============================================================================
+
+The pyparsing module is an alternative approach to creating and executing simple grammars,
+vs. the traditional lex/yacc approach, or the use of regular expressions.  With pyparsing, you
+don't need to learn a new syntax for defining grammars or matching expressions - the parsing module
+provides a library of classes that you use to construct the grammar directly in Python.
+
+Here is a program to parse "Hello, World!" (or any greeting of the form 
+C{"<salutation>, <addressee>!"}), built up using L{Word}, L{Literal}, and L{And} elements 
+(L{'+'<ParserElement.__add__>} operator gives L{And} expressions, strings are auto-converted to
+L{Literal} expressions)::
+
+    from pyparsing import Word, alphas
+
+    # define grammar of a greeting
+    greet = Word(alphas) + "," + Word(alphas) + "!"
+
+    hello = "Hello, World!"
+    print (hello, "->", greet.parseString(hello))
+
+The program outputs the following::
+
+    Hello, World! -> ['Hello', ',', 'World', '!']
+
+The Python representation of the grammar is quite readable, owing to the self-explanatory
+class names, and the use of '+', '|' and '^' operators.
+
+The L{ParseResults} object returned from L{ParserElement.parseString<ParserElement.parseString>} can be accessed as a nested list, a dictionary, or an
+object with named attributes.
+
+The pyparsing module handles some of the problems that are typically vexing when writing text parsers:
+ - extra or missing whitespace (the above program will also handle "Hello,World!", "Hello  ,  World  !", etc.)
+ - quoted strings
+ - embedded comments
+
+
+Getting Started -
+-----------------
+Visit the classes L{ParserElement} and L{ParseResults} to see the base classes that most other pyparsing
+classes inherit from. Use the docstrings for examples of how to:
+ - construct literal match expressions from L{Literal} and L{CaselessLiteral} classes
+ - construct character word-group expressions using the L{Word} class
+ - see how to create repetitive expressions using L{ZeroOrMore} and L{OneOrMore} classes
+ - use L{'+'<And>}, L{'|'<MatchFirst>}, L{'^'<Or>}, and L{'&'<Each>} operators to combine simple expressions into more complex ones
+ - associate names with your parsed results using L{ParserElement.setResultsName}
+ - find some helpful expression short-cuts like L{delimitedList} and L{oneOf}
+ - find more useful common expressions in the L{pyparsing_common} namespace class
+"""
+
+__version__ = "2.2.1"
+__versionTime__ = "18 Sep 2018 00:49 UTC"
+__author__ = "Paul McGuire <ptmcg@users.sourceforge.net>"
+
+import string
+from weakref import ref as wkref
+import copy
+import sys
+import warnings
+import re
+import sre_constants
+import collections
+import pprint
+import traceback
+import types
+from datetime import datetime
+
+try:
+    from _thread import RLock
+except ImportError:
+    from threading import RLock
+
+try:
+    # Python 3
+    from collections.abc import Iterable
+    from collections.abc import MutableMapping
+except ImportError:
+    # Python 2.7
+    from collections import Iterable
+    from collections import MutableMapping
+
+try:
+    from collections import OrderedDict as _OrderedDict
+except ImportError:
+    try:
+        from ordereddict import OrderedDict as _OrderedDict
+    except ImportError:
+        _OrderedDict = None
+
+#~ sys.stderr.write( "testing pyparsing module, version %s, %s\n" % (__version__,__versionTime__ ) )
+
+__all__ = [
+'And', 'CaselessKeyword', 'CaselessLiteral', 'CharsNotIn', 'Combine', 'Dict', 'Each', 'Empty',
+'FollowedBy', 'Forward', 'GoToColumn', 'Group', 'Keyword', 'LineEnd', 'LineStart', 'Literal',
+'MatchFirst', 'NoMatch', 'NotAny', 'OneOrMore', 'OnlyOnce', 'Optional', 'Or',
+'ParseBaseException', 'ParseElementEnhance', 'ParseException', 'ParseExpression', 'ParseFatalException',
+'ParseResults', 'ParseSyntaxException', 'ParserElement', 'QuotedString', 'RecursiveGrammarException',
+'Regex', 'SkipTo', 'StringEnd', 'StringStart', 'Suppress', 'Token', 'TokenConverter', 
+'White', 'Word', 'WordEnd', 'WordStart', 'ZeroOrMore',
+'alphanums', 'alphas', 'alphas8bit', 'anyCloseTag', 'anyOpenTag', 'cStyleComment', 'col',
+'commaSeparatedList', 'commonHTMLEntity', 'countedArray', 'cppStyleComment', 'dblQuotedString',
+'dblSlashComment', 'delimitedList', 'dictOf', 'downcaseTokens', 'empty', 'hexnums',
+'htmlComment', 'javaStyleComment', 'line', 'lineEnd', 'lineStart', 'lineno',
+'makeHTMLTags', 'makeXMLTags', 'matchOnlyAtCol', 'matchPreviousExpr', 'matchPreviousLiteral',
+'nestedExpr', 'nullDebugAction', 'nums', 'oneOf', 'opAssoc', 'operatorPrecedence', 'printables',
+'punc8bit', 'pythonStyleComment', 'quotedString', 'removeQuotes', 'replaceHTMLEntity', 
+'replaceWith', 'restOfLine', 'sglQuotedString', 'srange', 'stringEnd',
+'stringStart', 'traceParseAction', 'unicodeString', 'upcaseTokens', 'withAttribute',
+'indentedBlock', 'originalTextFor', 'ungroup', 'infixNotation','locatedExpr', 'withClass',
+'CloseMatch', 'tokenMap', 'pyparsing_common',
+]
+
+system_version = tuple(sys.version_info)[:3]
+PY_3 = system_version[0] == 3
+if PY_3:
+    _MAX_INT = sys.maxsize
+    basestring = str
+    unichr = chr
+    _ustr = str
+
+    # build list of single arg builtins, that can be used as parse actions
+    singleArgBuiltins = [sum, len, sorted, reversed, list, tuple, set, any, all, min, max]
+
+else:
+    _MAX_INT = sys.maxint
+    range = xrange
+
+    def _ustr(obj):
+        """Drop-in replacement for str(obj) that tries to be Unicode friendly. It first tries
+           str(obj). If that fails with a UnicodeEncodeError, then it tries unicode(obj). It
+           then < returns the unicode object | encodes it with the default encoding | ... >.
+        """
+        if isinstance(obj,unicode):
+            return obj
+
+        try:
+            # If this works, then _ustr(obj) has the same behaviour as str(obj), so
+            # it won't break any existing code.
+            return str(obj)
+
+        except UnicodeEncodeError:
+            # Else encode it
+            ret = unicode(obj).encode(sys.getdefaultencoding(), 'xmlcharrefreplace')
+            xmlcharref = Regex(r'&#\d+;')
+            xmlcharref.setParseAction(lambda t: '\\u' + hex(int(t[0][2:-1]))[2:])
+            return xmlcharref.transformString(ret)
+
+    # build list of single arg builtins, tolerant of Python version, that can be used as parse actions
+    singleArgBuiltins = []
+    import __builtin__
+    for fname in "sum len sorted reversed list tuple set any all min max".split():
+        try:
+            singleArgBuiltins.append(getattr(__builtin__,fname))
+        except AttributeError:
+            continue
+            
+_generatorType = type((y for y in range(1)))
+ 
+def _xml_escape(data):
+    """Escape &, <, >, ", ', etc. in a string of data."""
+
+    # ampersand must be replaced first
+    from_symbols = '&><"\''
+    to_symbols = ('&'+s+';' for s in "amp gt lt quot apos".split())
+    for from_,to_ in zip(from_symbols, to_symbols):
+        data = data.replace(from_, to_)
+    return data
+
+class _Constants(object):
+    pass
+
+alphas     = string.ascii_uppercase + string.ascii_lowercase
+nums       = "0123456789"
+hexnums    = nums + "ABCDEFabcdef"
+alphanums  = alphas + nums
+_bslash    = chr(92)
+printables = "".join(c for c in string.printable if c not in string.whitespace)
+
+class ParseBaseException(Exception):
+    """base exception class for all parsing runtime exceptions"""
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__( self, pstr, loc=0, msg=None, elem=None ):
+        self.loc = loc
+        if msg is None:
+            self.msg = pstr
+            self.pstr = ""
+        else:
+            self.msg = msg
+            self.pstr = pstr
+        self.parserElement = elem
+        self.args = (pstr, loc, msg)
+
+    @classmethod
+    def _from_exception(cls, pe):
+        """
+        internal factory method to simplify creating one type of ParseException 
+        from another - avoids having __init__ signature conflicts among subclasses
+        """
+        return cls(pe.pstr, pe.loc, pe.msg, pe.parserElement)
+
+    def __getattr__( self, aname ):
+        """supported attributes by name are:
+            - lineno - returns the line number of the exception text
+            - col - returns the column number of the exception text
+            - line - returns the line containing the exception text
+        """
+        if( aname == "lineno" ):
+            return lineno( self.loc, self.pstr )
+        elif( aname in ("col", "column") ):
+            return col( self.loc, self.pstr )
+        elif( aname == "line" ):
+            return line( self.loc, self.pstr )
+        else:
+            raise AttributeError(aname)
+
+    def __str__( self ):
+        return "%s (at char %d), (line:%d, col:%d)" % \
+                ( self.msg, self.loc, self.lineno, self.column )
+    def __repr__( self ):
+        return _ustr(self)
+    def markInputline( self, markerString = ">!<" ):
+        """Extracts the exception line from the input string, and marks
+           the location of the exception with a special symbol.
+        """
+        line_str = self.line
+        line_column = self.column - 1
+        if markerString:
+            line_str = "".join((line_str[:line_column],
+                                markerString, line_str[line_column:]))
+        return line_str.strip()
+    def __dir__(self):
+        return "lineno col line".split() + dir(type(self))
+
+class ParseException(ParseBaseException):
+    """
+    Exception thrown when parse expressions don't match class;
+    supported attributes by name are:
+     - lineno - returns the line number of the exception text
+     - col - returns the column number of the exception text
+     - line - returns the line containing the exception text
+        
+    Example::
+        try:
+            Word(nums).setName("integer").parseString("ABC")
+        except ParseException as pe:
+            print(pe)
+            print("column: {}".format(pe.col))
+            
+    prints::
+       Expected integer (at char 0), (line:1, col:1)
+        column: 1
+    """
+    pass
+
+class ParseFatalException(ParseBaseException):
+    """user-throwable exception thrown when inconsistent parse content
+       is found; stops all parsing immediately"""
+    pass
+
+class ParseSyntaxException(ParseFatalException):
+    """just like L{ParseFatalException}, but thrown internally when an
+       L{ErrorStop<And._ErrorStop>} ('-' operator) indicates that parsing is to stop 
+       immediately because an unbacktrackable syntax error has been found"""
+    pass
+
+#~ class ReparseException(ParseBaseException):
+    #~ """Experimental class - parse actions can raise this exception to cause
+       #~ pyparsing to reparse the input string:
+        #~ - with a modified input string, and/or
+        #~ - with a modified start location
+       #~ Set the values of the ReparseException in the constructor, and raise the
+       #~ exception in a parse action to cause pyparsing to use the new string/location.
+       #~ Setting the values as None causes no change to be made.
+       #~ """
+    #~ def __init_( self, newstring, restartLoc ):
+        #~ self.newParseText = newstring
+        #~ self.reparseLoc = restartLoc
+
+class RecursiveGrammarException(Exception):
+    """exception thrown by L{ParserElement.validate} if the grammar could be improperly recursive"""
+    def __init__( self, parseElementList ):
+        self.parseElementTrace = parseElementList
+
+    def __str__( self ):
+        return "RecursiveGrammarException: %s" % self.parseElementTrace
+
+class _ParseResultsWithOffset(object):
+    def __init__(self,p1,p2):
+        self.tup = (p1,p2)
+    def __getitem__(self,i):
+        return self.tup[i]
+    def __repr__(self):
+        return repr(self.tup[0])
+    def setOffset(self,i):
+        self.tup = (self.tup[0],i)
+
+class ParseResults(object):
+    """
+    Structured parse results, to provide multiple means of access to the parsed data:
+       - as a list (C{len(results)})
+       - by list index (C{results[0], results[1]}, etc.)
+       - by attribute (C{results.<resultsName>} - see L{ParserElement.setResultsName})
+
+    Example::
+        integer = Word(nums)
+        date_str = (integer.setResultsName("year") + '/' 
+                        + integer.setResultsName("month") + '/' 
+                        + integer.setResultsName("day"))
+        # equivalent form:
+        # date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+        # parseString returns a ParseResults object
+        result = date_str.parseString("1999/12/31")
+
+        def test(s, fn=repr):
+            print("%s -> %s" % (s, fn(eval(s))))
+        test("list(result)")
+        test("result[0]")
+        test("result['month']")
+        test("result.day")
+        test("'month' in result")
+        test("'minutes' in result")
+        test("result.dump()", str)
+    prints::
+        list(result) -> ['1999', '/', '12', '/', '31']
+        result[0] -> '1999'
+        result['month'] -> '12'
+        result.day -> '31'
+        'month' in result -> True
+        'minutes' in result -> False
+        result.dump() -> ['1999', '/', '12', '/', '31']
+        - day: 31
+        - month: 12
+        - year: 1999
+    """
+    def __new__(cls, toklist=None, name=None, asList=True, modal=True ):
+        if isinstance(toklist, cls):
+            return toklist
+        retobj = object.__new__(cls)
+        retobj.__doinit = True
+        return retobj
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__( self, toklist=None, name=None, asList=True, modal=True, isinstance=isinstance ):
+        if self.__doinit:
+            self.__doinit = False
+            self.__name = None
+            self.__parent = None
+            self.__accumNames = {}
+            self.__asList = asList
+            self.__modal = modal
+            if toklist is None:
+                toklist = []
+            if isinstance(toklist, list):
+                self.__toklist = toklist[:]
+            elif isinstance(toklist, _generatorType):
+                self.__toklist = list(toklist)
+            else:
+                self.__toklist = [toklist]
+            self.__tokdict = dict()
+
+        if name is not None and name:
+            if not modal:
+                self.__accumNames[name] = 0
+            if isinstance(name,int):
+                name = _ustr(name) # will always return a str, but use _ustr for consistency
+            self.__name = name
+            if not (isinstance(toklist, (type(None), basestring, list)) and toklist in (None,'',[])):
+                if isinstance(toklist,basestring):
+                    toklist = [ toklist ]
+                if asList:
+                    if isinstance(toklist,ParseResults):
+                        self[name] = _ParseResultsWithOffset(toklist.copy(),0)
+                    else:
+                        self[name] = _ParseResultsWithOffset(ParseResults(toklist[0]),0)
+                    self[name].__name = name
+                else:
+                    try:
+                        self[name] = toklist[0]
+                    except (KeyError,TypeError,IndexError):
+                        self[name] = toklist
+
+    def __getitem__( self, i ):
+        if isinstance( i, (int,slice) ):
+            return self.__toklist[i]
+        else:
+            if i not in self.__accumNames:
+                return self.__tokdict[i][-1][0]
+            else:
+                return ParseResults([ v[0] for v in self.__tokdict[i] ])
+
+    def __setitem__( self, k, v, isinstance=isinstance ):
+        if isinstance(v,_ParseResultsWithOffset):
+            self.__tokdict[k] = self.__tokdict.get(k,list()) + [v]
+            sub = v[0]
+        elif isinstance(k,(int,slice)):
+            self.__toklist[k] = v
+            sub = v
+        else:
+            self.__tokdict[k] = self.__tokdict.get(k,list()) + [_ParseResultsWithOffset(v,0)]
+            sub = v
+        if isinstance(sub,ParseResults):
+            sub.__parent = wkref(self)
+
+    def __delitem__( self, i ):
+        if isinstance(i,(int,slice)):
+            mylen = len( self.__toklist )
+            del self.__toklist[i]
+
+            # convert int to slice
+            if isinstance(i, int):
+                if i < 0:
+                    i += mylen
+                i = slice(i, i+1)
+            # get removed indices
+            removed = list(range(*i.indices(mylen)))
+            removed.reverse()
+            # fixup indices in token dictionary
+            for name,occurrences in self.__tokdict.items():
+                for j in removed:
+                    for k, (value, position) in enumerate(occurrences):
+                        occurrences[k] = _ParseResultsWithOffset(value, position - (position > j))
+        else:
+            del self.__tokdict[i]
+
+    def __contains__( self, k ):
+        return k in self.__tokdict
+
+    def __len__( self ): return len( self.__toklist )
+    def __bool__(self): return ( not not self.__toklist )
+    __nonzero__ = __bool__
+    def __iter__( self ): return iter( self.__toklist )
+    def __reversed__( self ): return iter( self.__toklist[::-1] )
+    def _iterkeys( self ):
+        if hasattr(self.__tokdict, "iterkeys"):
+            return self.__tokdict.iterkeys()
+        else:
+            return iter(self.__tokdict)
+
+    def _itervalues( self ):
+        return (self[k] for k in self._iterkeys())
+            
+    def _iteritems( self ):
+        return ((k, self[k]) for k in self._iterkeys())
+
+    if PY_3:
+        keys = _iterkeys       
+        """Returns an iterator of all named result keys (Python 3.x only)."""
+
+        values = _itervalues
+        """Returns an iterator of all named result values (Python 3.x only)."""
+
+        items = _iteritems
+        """Returns an iterator of all named result key-value tuples (Python 3.x only)."""
+
+    else:
+        iterkeys = _iterkeys
+        """Returns an iterator of all named result keys (Python 2.x only)."""
+
+        itervalues = _itervalues
+        """Returns an iterator of all named result values (Python 2.x only)."""
+
+        iteritems = _iteritems
+        """Returns an iterator of all named result key-value tuples (Python 2.x only)."""
+
+        def keys( self ):
+            """Returns all named result keys (as a list in Python 2.x, as an iterator in Python 3.x)."""
+            return list(self.iterkeys())
+
+        def values( self ):
+            """Returns all named result values (as a list in Python 2.x, as an iterator in Python 3.x)."""
+            return list(self.itervalues())
+                
+        def items( self ):
+            """Returns all named result key-values (as a list of tuples in Python 2.x, as an iterator in Python 3.x)."""
+            return list(self.iteritems())
+
+    def haskeys( self ):
+        """Since keys() returns an iterator, this method is helpful in bypassing
+           code that looks for the existence of any defined results names."""
+        return bool(self.__tokdict)
+        
+    def pop( self, *args, **kwargs):
+        """
+        Removes and returns item at specified index (default=C{last}).
+        Supports both C{list} and C{dict} semantics for C{pop()}. If passed no
+        argument or an integer argument, it will use C{list} semantics
+        and pop tokens from the list of parsed tokens. If passed a 
+        non-integer argument (most likely a string), it will use C{dict}
+        semantics and pop the corresponding value from any defined 
+        results names. A second default return value argument is 
+        supported, just as in C{dict.pop()}.
+
+        Example::
+            def remove_first(tokens):
+                tokens.pop(0)
+            print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321']
+            print(OneOrMore(Word(nums)).addParseAction(remove_first).parseString("0 123 321")) # -> ['123', '321']
+
+            label = Word(alphas)
+            patt = label("LABEL") + OneOrMore(Word(nums))
+            print(patt.parseString("AAB 123 321").dump())
+
+            # Use pop() in a parse action to remove named result (note that corresponding value is not
+            # removed from list form of results)
+            def remove_LABEL(tokens):
+                tokens.pop("LABEL")
+                return tokens
+            patt.addParseAction(remove_LABEL)
+            print(patt.parseString("AAB 123 321").dump())
+        prints::
+            ['AAB', '123', '321']
+            - LABEL: AAB
+
+            ['AAB', '123', '321']
+        """
+        if not args:
+            args = [-1]
+        for k,v in kwargs.items():
+            if k == 'default':
+                args = (args[0], v)
+            else:
+                raise TypeError("pop() got an unexpected keyword argument '%s'" % k)
+        if (isinstance(args[0], int) or 
+                        len(args) == 1 or 
+                        args[0] in self):
+            index = args[0]
+            ret = self[index]
+            del self[index]
+            return ret
+        else:
+            defaultvalue = args[1]
+            return defaultvalue
+
+    def get(self, key, defaultValue=None):
+        """
+        Returns named result matching the given key, or if there is no
+        such name, then returns the given C{defaultValue} or C{None} if no
+        C{defaultValue} is specified.
+
+        Similar to C{dict.get()}.
+        
+        Example::
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")           
+
+            result = date_str.parseString("1999/12/31")
+            print(result.get("year")) # -> '1999'
+            print(result.get("hour", "not specified")) # -> 'not specified'
+            print(result.get("hour")) # -> None
+        """
+        if key in self:
+            return self[key]
+        else:
+            return defaultValue
+
+    def insert( self, index, insStr ):
+        """
+        Inserts new element at location index in the list of parsed tokens.
+        
+        Similar to C{list.insert()}.
+
+        Example::
+            print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to insert the parse location in the front of the parsed results
+            def insert_locn(locn, tokens):
+                tokens.insert(0, locn)
+            print(OneOrMore(Word(nums)).addParseAction(insert_locn).parseString("0 123 321")) # -> [0, '0', '123', '321']
+        """
+        self.__toklist.insert(index, insStr)
+        # fixup indices in token dictionary
+        for name,occurrences in self.__tokdict.items():
+            for k, (value, position) in enumerate(occurrences):
+                occurrences[k] = _ParseResultsWithOffset(value, position + (position > index))
+
+    def append( self, item ):
+        """
+        Add single element to end of ParseResults list of elements.
+
+        Example::
+            print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321']
+            
+            # use a parse action to compute the sum of the parsed integers, and add it to the end
+            def append_sum(tokens):
+                tokens.append(sum(map(int, tokens)))
+            print(OneOrMore(Word(nums)).addParseAction(append_sum).parseString("0 123 321")) # -> ['0', '123', '321', 444]
+        """
+        self.__toklist.append(item)
+
+    def extend( self, itemseq ):
+        """
+        Add sequence of elements to end of ParseResults list of elements.
+
+        Example::
+            patt = OneOrMore(Word(alphas))
+            
+            # use a parse action to append the reverse of the matched strings, to make a palindrome
+            def make_palindrome(tokens):
+                tokens.extend(reversed([t[::-1] for t in tokens]))
+                return ''.join(tokens)
+            print(patt.addParseAction(make_palindrome).parseString("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl'
+        """
+        if isinstance(itemseq, ParseResults):
+            self += itemseq
+        else:
+            self.__toklist.extend(itemseq)
+
+    def clear( self ):
+        """
+        Clear all elements and results names.
+        """
+        del self.__toklist[:]
+        self.__tokdict.clear()
+
+    def __getattr__( self, name ):
+        try:
+            return self[name]
+        except KeyError:
+            return ""
+            
+        if name in self.__tokdict:
+            if name not in self.__accumNames:
+                return self.__tokdict[name][-1][0]
+            else:
+                return ParseResults([ v[0] for v in self.__tokdict[name] ])
+        else:
+            return ""
+
+    def __add__( self, other ):
+        ret = self.copy()
+        ret += other
+        return ret
+
+    def __iadd__( self, other ):
+        if other.__tokdict:
+            offset = len(self.__toklist)
+            addoffset = lambda a: offset if a<0 else a+offset
+            otheritems = other.__tokdict.items()
+            otherdictitems = [(k, _ParseResultsWithOffset(v[0],addoffset(v[1])) )
+                                for (k,vlist) in otheritems for v in vlist]
+            for k,v in otherdictitems:
+                self[k] = v
+                if isinstance(v[0],ParseResults):
+                    v[0].__parent = wkref(self)
+            
+        self.__toklist += other.__toklist
+        self.__accumNames.update( other.__accumNames )
+        return self
+
+    def __radd__(self, other):
+        if isinstance(other,int) and other == 0:
+            # useful for merging many ParseResults using sum() builtin
+            return self.copy()
+        else:
+            # this may raise a TypeError - so be it
+            return other + self
+        
+    def __repr__( self ):
+        return "(%s, %s)" % ( repr( self.__toklist ), repr( self.__tokdict ) )
+
+    def __str__( self ):
+        return '[' + ', '.join(_ustr(i) if isinstance(i, ParseResults) else repr(i) for i in self.__toklist) + ']'
+
+    def _asStringList( self, sep='' ):
+        out = []
+        for item in self.__toklist:
+            if out and sep:
+                out.append(sep)
+            if isinstance( item, ParseResults ):
+                out += item._asStringList()
+            else:
+                out.append( _ustr(item) )
+        return out
+
+    def asList( self ):
+        """
+        Returns the parse results as a nested list of matching tokens, all converted to strings.
+
+        Example::
+            patt = OneOrMore(Word(alphas))
+            result = patt.parseString("sldkj lsdkj sldkj")
+            # even though the result prints in string-like form, it is actually a pyparsing ParseResults
+            print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj']
+            
+            # Use asList() to create an actual list
+            result_list = result.asList()
+            print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj']
+        """
+        return [res.asList() if isinstance(res,ParseResults) else res for res in self.__toklist]
+
+    def asDict( self ):
+        """
+        Returns the named parse results as a nested dictionary.
+
+        Example::
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+            
+            result = date_str.parseString('12/31/1999')
+            print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]})
+            
+            result_dict = result.asDict()
+            print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'}
+
+            # even though a ParseResults supports dict-like access, sometime you just need to have a dict
+            import json
+            print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable
+            print(json.dumps(result.asDict())) # -> {"month": "31", "day": "1999", "year": "12"}
+        """
+        if PY_3:
+            item_fn = self.items
+        else:
+            item_fn = self.iteritems
+            
+        def toItem(obj):
+            if isinstance(obj, ParseResults):
+                if obj.haskeys():
+                    return obj.asDict()
+                else:
+                    return [toItem(v) for v in obj]
+            else:
+                return obj
+                
+        return dict((k,toItem(v)) for k,v in item_fn())
+
+    def copy( self ):
+        """
+        Returns a new copy of a C{ParseResults} object.
+        """
+        ret = ParseResults( self.__toklist )
+        ret.__tokdict = self.__tokdict.copy()
+        ret.__parent = self.__parent
+        ret.__accumNames.update( self.__accumNames )
+        ret.__name = self.__name
+        return ret
+
+    def asXML( self, doctag=None, namedItemsOnly=False, indent="", formatted=True ):
+        """
+        (Deprecated) Returns the parse results as XML. Tags are created for tokens and lists that have defined results names.
+        """
+        nl = "\n"
+        out = []
+        namedItems = dict((v[1],k) for (k,vlist) in self.__tokdict.items()
+                                                            for v in vlist)
+        nextLevelIndent = indent + "  "
+
+        # collapse out indents if formatting is not desired
+        if not formatted:
+            indent = ""
+            nextLevelIndent = ""
+            nl = ""
+
+        selfTag = None
+        if doctag is not None:
+            selfTag = doctag
+        else:
+            if self.__name:
+                selfTag = self.__name
+
+        if not selfTag:
+            if namedItemsOnly:
+                return ""
+            else:
+                selfTag = "ITEM"
+
+        out += [ nl, indent, "<", selfTag, ">" ]
+
+        for i,res in enumerate(self.__toklist):
+            if isinstance(res,ParseResults):
+                if i in namedItems:
+                    out += [ res.asXML(namedItems[i],
+                                        namedItemsOnly and doctag is None,
+                                        nextLevelIndent,
+                                        formatted)]
+                else:
+                    out += [ res.asXML(None,
+                                        namedItemsOnly and doctag is None,
+                                        nextLevelIndent,
+                                        formatted)]
+            else:
+                # individual token, see if there is a name for it
+                resTag = None
+                if i in namedItems:
+                    resTag = namedItems[i]
+                if not resTag:
+                    if namedItemsOnly:
+                        continue
+                    else:
+                        resTag = "ITEM"
+                xmlBodyText = _xml_escape(_ustr(res))
+                out += [ nl, nextLevelIndent, "<", resTag, ">",
+                                                xmlBodyText,
+                                                "</", resTag, ">" ]
+
+        out += [ nl, indent, "</", selfTag, ">" ]
+        return "".join(out)
+
+    def __lookup(self,sub):
+        for k,vlist in self.__tokdict.items():
+            for v,loc in vlist:
+                if sub is v:
+                    return k
+        return None
+
+    def getName(self):
+        r"""
+        Returns the results name for this token expression. Useful when several 
+        different expressions might match at a particular location.
+
+        Example::
+            integer = Word(nums)
+            ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d")
+            house_number_expr = Suppress('#') + Word(nums, alphanums)
+            user_data = (Group(house_number_expr)("house_number") 
+                        | Group(ssn_expr)("ssn")
+                        | Group(integer)("age"))
+            user_info = OneOrMore(user_data)
+            
+            result = user_info.parseString("22 111-22-3333 #221B")
+            for item in result:
+                print(item.getName(), ':', item[0])
+        prints::
+            age : 22
+            ssn : 111-22-3333
+            house_number : 221B
+        """
+        if self.__name:
+            return self.__name
+        elif self.__parent:
+            par = self.__parent()
+            if par:
+                return par.__lookup(self)
+            else:
+                return None
+        elif (len(self) == 1 and
+               len(self.__tokdict) == 1 and
+               next(iter(self.__tokdict.values()))[0][1] in (0,-1)):
+            return next(iter(self.__tokdict.keys()))
+        else:
+            return None
+
+    def dump(self, indent='', depth=0, full=True):
+        """
+        Diagnostic method for listing out the contents of a C{ParseResults}.
+        Accepts an optional C{indent} argument so that this string can be embedded
+        in a nested display of other data.
+
+        Example::
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+            
+            result = date_str.parseString('12/31/1999')
+            print(result.dump())
+        prints::
+            ['12', '/', '31', '/', '1999']
+            - day: 1999
+            - month: 31
+            - year: 12
+        """
+        out = []
+        NL = '\n'
+        out.append( indent+_ustr(self.asList()) )
+        if full:
+            if self.haskeys():
+                items = sorted((str(k), v) for k,v in self.items())
+                for k,v in items:
+                    if out:
+                        out.append(NL)
+                    out.append( "%s%s- %s: " % (indent,('  '*depth), k) )
+                    if isinstance(v,ParseResults):
+                        if v:
+                            out.append( v.dump(indent,depth+1) )
+                        else:
+                            out.append(_ustr(v))
+                    else:
+                        out.append(repr(v))
+            elif any(isinstance(vv,ParseResults) for vv in self):
+                v = self
+                for i,vv in enumerate(v):
+                    if isinstance(vv,ParseResults):
+                        out.append("\n%s%s[%d]:\n%s%s%s" % (indent,('  '*(depth)),i,indent,('  '*(depth+1)),vv.dump(indent,depth+1) ))
+                    else:
+                        out.append("\n%s%s[%d]:\n%s%s%s" % (indent,('  '*(depth)),i,indent,('  '*(depth+1)),_ustr(vv)))
+            
+        return "".join(out)
+
+    def pprint(self, *args, **kwargs):
+        """
+        Pretty-printer for parsed results as a list, using the C{pprint} module.
+        Accepts additional positional or keyword args as defined for the 
+        C{pprint.pprint} method. (U{http://docs.python.org/3/library/pprint.html#pprint.pprint})
+
+        Example::
+            ident = Word(alphas, alphanums)
+            num = Word(nums)
+            func = Forward()
+            term = ident | num | Group('(' + func + ')')
+            func <<= ident + Group(Optional(delimitedList(term)))
+            result = func.parseString("fna a,b,(fnb c,d,200),100")
+            result.pprint(width=40)
+        prints::
+            ['fna',
+             ['a',
+              'b',
+              ['(', 'fnb', ['c', 'd', '200'], ')'],
+              '100']]
+        """
+        pprint.pprint(self.asList(), *args, **kwargs)
+
+    # add support for pickle protocol
+    def __getstate__(self):
+        return ( self.__toklist,
+                 ( self.__tokdict.copy(),
+                   self.__parent is not None and self.__parent() or None,
+                   self.__accumNames,
+                   self.__name ) )
+
+    def __setstate__(self,state):
+        self.__toklist = state[0]
+        (self.__tokdict,
+         par,
+         inAccumNames,
+         self.__name) = state[1]
+        self.__accumNames = {}
+        self.__accumNames.update(inAccumNames)
+        if par is not None:
+            self.__parent = wkref(par)
+        else:
+            self.__parent = None
+
+    def __getnewargs__(self):
+        return self.__toklist, self.__name, self.__asList, self.__modal
+
+    def __dir__(self):
+        return (dir(type(self)) + list(self.keys()))
+
+MutableMapping.register(ParseResults)
+
+def col (loc,strg):
+    """Returns current column within a string, counting newlines as line separators.
+   The first column is number 1.
+
+   Note: the default parsing behavior is to expand tabs in the input string
+   before starting the parsing process.  See L{I{ParserElement.parseString}<ParserElement.parseString>} for more information
+   on parsing strings containing C{<TAB>}s, and suggested methods to maintain a
+   consistent view of the parsed string, the parse location, and line and column
+   positions within the parsed string.
+   """
+    s = strg
+    return 1 if 0<loc<len(s) and s[loc-1] == '\n' else loc - s.rfind("\n", 0, loc)
+
+def lineno(loc,strg):
+    """Returns current line number within a string, counting newlines as line separators.
+   The first line is number 1.
+
+   Note: the default parsing behavior is to expand tabs in the input string
+   before starting the parsing process.  See L{I{ParserElement.parseString}<ParserElement.parseString>} for more information
+   on parsing strings containing C{<TAB>}s, and suggested methods to maintain a
+   consistent view of the parsed string, the parse location, and line and column
+   positions within the parsed string.
+   """
+    return strg.count("\n",0,loc) + 1
+
+def line( loc, strg ):
+    """Returns the line of text containing loc within a string, counting newlines as line separators.
+       """
+    lastCR = strg.rfind("\n", 0, loc)
+    nextCR = strg.find("\n", loc)
+    if nextCR >= 0:
+        return strg[lastCR+1:nextCR]
+    else:
+        return strg[lastCR+1:]
+
+def _defaultStartDebugAction( instring, loc, expr ):
+    print (("Match " + _ustr(expr) + " at loc " + _ustr(loc) + "(%d,%d)" % ( lineno(loc,instring), col(loc,instring) )))
+
+def _defaultSuccessDebugAction( instring, startloc, endloc, expr, toks ):
+    print ("Matched " + _ustr(expr) + " -> " + str(toks.asList()))
+
+def _defaultExceptionDebugAction( instring, loc, expr, exc ):
+    print ("Exception raised:" + _ustr(exc))
+
+def nullDebugAction(*args):
+    """'Do-nothing' debug action, to suppress debugging output during parsing."""
+    pass
+
+# Only works on Python 3.x - nonlocal is toxic to Python 2 installs
+#~ 'decorator to trim function calls to match the arity of the target'
+#~ def _trim_arity(func, maxargs=3):
+    #~ if func in singleArgBuiltins:
+        #~ return lambda s,l,t: func(t)
+    #~ limit = 0
+    #~ foundArity = False
+    #~ def wrapper(*args):
+        #~ nonlocal limit,foundArity
+        #~ while 1:
+            #~ try:
+                #~ ret = func(*args[limit:])
+                #~ foundArity = True
+                #~ return ret
+            #~ except TypeError:
+                #~ if limit == maxargs or foundArity:
+                    #~ raise
+                #~ limit += 1
+                #~ continue
+    #~ return wrapper
+
+# this version is Python 2.x-3.x cross-compatible
+'decorator to trim function calls to match the arity of the target'
+def _trim_arity(func, maxargs=2):
+    if func in singleArgBuiltins:
+        return lambda s,l,t: func(t)
+    limit = [0]
+    foundArity = [False]
+    
+    # traceback return data structure changed in Py3.5 - normalize back to plain tuples
+    if system_version[:2] >= (3,5):
+        def extract_stack(limit=0):
+            # special handling for Python 3.5.0 - extra deep call stack by 1
+            offset = -3 if system_version == (3,5,0) else -2
+            frame_summary = traceback.extract_stack(limit=-offset+limit-1)[offset]
+            return [frame_summary[:2]]
+        def extract_tb(tb, limit=0):
+            frames = traceback.extract_tb(tb, limit=limit)
+            frame_summary = frames[-1]
+            return [frame_summary[:2]]
+    else:
+        extract_stack = traceback.extract_stack
+        extract_tb = traceback.extract_tb
+    
+    # synthesize what would be returned by traceback.extract_stack at the call to 
+    # user's parse action 'func', so that we don't incur call penalty at parse time
+    
+    LINE_DIFF = 6
+    # IF ANY CODE CHANGES, EVEN JUST COMMENTS OR BLANK LINES, BETWEEN THE NEXT LINE AND 
+    # THE CALL TO FUNC INSIDE WRAPPER, LINE_DIFF MUST BE MODIFIED!!!!
+    this_line = extract_stack(limit=2)[-1]
+    pa_call_line_synth = (this_line[0], this_line[1]+LINE_DIFF)
+
+    def wrapper(*args):
+        while 1:
+            try:
+                ret = func(*args[limit[0]:])
+                foundArity[0] = True
+                return ret
+            except TypeError:
+                # re-raise TypeErrors if they did not come from our arity testing
+                if foundArity[0]:
+                    raise
+                else:
+                    try:
+                        tb = sys.exc_info()[-1]
+                        if not extract_tb(tb, limit=2)[-1][:2] == pa_call_line_synth:
+                            raise
+                    finally:
+                        del tb
+
+                if limit[0] <= maxargs:
+                    limit[0] += 1
+                    continue
+                raise
+
+    # copy func name to wrapper for sensible debug output
+    func_name = "<parse action>"
+    try:
+        func_name = getattr(func, '__name__', 
+                            getattr(func, '__class__').__name__)
+    except Exception:
+        func_name = str(func)
+    wrapper.__name__ = func_name
+
+    return wrapper
+
+class ParserElement(object):
+    """Abstract base level parser element class."""
+    DEFAULT_WHITE_CHARS = " \n\t\r"
+    verbose_stacktrace = False
+
+    @staticmethod
+    def setDefaultWhitespaceChars( chars ):
+        r"""
+        Overrides the default whitespace chars
+
+        Example::
+            # default whitespace chars are space, <TAB> and newline
+            OneOrMore(Word(alphas)).parseString("abc def\nghi jkl")  # -> ['abc', 'def', 'ghi', 'jkl']
+            
+            # change to just treat newline as significant
+            ParserElement.setDefaultWhitespaceChars(" \t")
+            OneOrMore(Word(alphas)).parseString("abc def\nghi jkl")  # -> ['abc', 'def']
+        """
+        ParserElement.DEFAULT_WHITE_CHARS = chars
+
+    @staticmethod
+    def inlineLiteralsUsing(cls):
+        """
+        Set class to be used for inclusion of string literals into a parser.
+        
+        Example::
+            # default literal class used is Literal
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")           
+
+            date_str.parseString("1999/12/31")  # -> ['1999', '/', '12', '/', '31']
+
+
+            # change to Suppress
+            ParserElement.inlineLiteralsUsing(Suppress)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")           
+
+            date_str.parseString("1999/12/31")  # -> ['1999', '12', '31']
+        """
+        ParserElement._literalStringClass = cls
+
+    def __init__( self, savelist=False ):
+        self.parseAction = list()
+        self.failAction = None
+        #~ self.name = "<unknown>"  # don't define self.name, let subclasses try/except upcall
+        self.strRepr = None
+        self.resultsName = None
+        self.saveAsList = savelist
+        self.skipWhitespace = True
+        self.whiteChars = ParserElement.DEFAULT_WHITE_CHARS
+        self.copyDefaultWhiteChars = True
+        self.mayReturnEmpty = False # used when checking for left-recursion
+        self.keepTabs = False
+        self.ignoreExprs = list()
+        self.debug = False
+        self.streamlined = False
+        self.mayIndexError = True # used to optimize exception handling for subclasses that don't advance parse index
+        self.errmsg = ""
+        self.modalResults = True # used to mark results names as modal (report only last) or cumulative (list all)
+        self.debugActions = ( None, None, None ) #custom debug actions
+        self.re = None
+        self.callPreparse = True # used to avoid redundant calls to preParse
+        self.callDuringTry = False
+
+    def copy( self ):
+        """
+        Make a copy of this C{ParserElement}.  Useful for defining different parse actions
+        for the same parsing pattern, using copies of the original parse element.
+        
+        Example::
+            integer = Word(nums).setParseAction(lambda toks: int(toks[0]))
+            integerK = integer.copy().addParseAction(lambda toks: toks[0]*1024) + Suppress("K")
+            integerM = integer.copy().addParseAction(lambda toks: toks[0]*1024*1024) + Suppress("M")
+            
+            print(OneOrMore(integerK | integerM | integer).parseString("5K 100 640K 256M"))
+        prints::
+            [5120, 100, 655360, 268435456]
+        Equivalent form of C{expr.copy()} is just C{expr()}::
+            integerM = integer().addParseAction(lambda toks: toks[0]*1024*1024) + Suppress("M")
+        """
+        cpy = copy.copy( self )
+        cpy.parseAction = self.parseAction[:]
+        cpy.ignoreExprs = self.ignoreExprs[:]
+        if self.copyDefaultWhiteChars:
+            cpy.whiteChars = ParserElement.DEFAULT_WHITE_CHARS
+        return cpy
+
+    def setName( self, name ):
+        """
+        Define name for this expression, makes debugging and exception messages clearer.
+        
+        Example::
+            Word(nums).parseString("ABC")  # -> Exception: Expected W:(0123...) (at char 0), (line:1, col:1)
+            Word(nums).setName("integer").parseString("ABC")  # -> Exception: Expected integer (at char 0), (line:1, col:1)
+        """
+        self.name = name
+        self.errmsg = "Expected " + self.name
+        if hasattr(self,"exception"):
+            self.exception.msg = self.errmsg
+        return self
+
+    def setResultsName( self, name, listAllMatches=False ):
+        """
+        Define name for referencing matching tokens as a nested attribute
+        of the returned parse results.
+        NOTE: this returns a *copy* of the original C{ParserElement} object;
+        this is so that the client can define a basic element, such as an
+        integer, and reference it in multiple places with different names.
+
+        You can also set results names using the abbreviated syntax,
+        C{expr("name")} in place of C{expr.setResultsName("name")} - 
+        see L{I{__call__}<__call__>}.
+
+        Example::
+            date_str = (integer.setResultsName("year") + '/' 
+                        + integer.setResultsName("month") + '/' 
+                        + integer.setResultsName("day"))
+
+            # equivalent form:
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+        """
+        newself = self.copy()
+        if name.endswith("*"):
+            name = name[:-1]
+            listAllMatches=True
+        newself.resultsName = name
+        newself.modalResults = not listAllMatches
+        return newself
+
+    def setBreak(self,breakFlag = True):
+        """Method to invoke the Python pdb debugger when this element is
+           about to be parsed. Set C{breakFlag} to True to enable, False to
+           disable.
+        """
+        if breakFlag:
+            _parseMethod = self._parse
+            def breaker(instring, loc, doActions=True, callPreParse=True):
+                import pdb
+                pdb.set_trace()
+                return _parseMethod( instring, loc, doActions, callPreParse )
+            breaker._originalParseMethod = _parseMethod
+            self._parse = breaker
+        else:
+            if hasattr(self._parse,"_originalParseMethod"):
+                self._parse = self._parse._originalParseMethod
+        return self
+
+    def setParseAction( self, *fns, **kwargs ):
+        """
+        Define one or more actions to perform when successfully matching parse element definition.
+        Parse action fn is a callable method with 0-3 arguments, called as C{fn(s,loc,toks)},
+        C{fn(loc,toks)}, C{fn(toks)}, or just C{fn()}, where:
+         - s   = the original string being parsed (see note below)
+         - loc = the location of the matching substring
+         - toks = a list of the matched tokens, packaged as a C{L{ParseResults}} object
+        If the functions in fns modify the tokens, they can return them as the return
+        value from fn, and the modified list of tokens will replace the original.
+        Otherwise, fn does not need to return any value.
+
+        Optional keyword arguments:
+         - callDuringTry = (default=C{False}) indicate if parse action should be run during lookaheads and alternate testing
+
+        Note: the default parsing behavior is to expand tabs in the input string
+        before starting the parsing process.  See L{I{parseString}<parseString>} for more information
+        on parsing strings containing C{<TAB>}s, and suggested methods to maintain a
+        consistent view of the parsed string, the parse location, and line and column
+        positions within the parsed string.
+        
+        Example::
+            integer = Word(nums)
+            date_str = integer + '/' + integer + '/' + integer
+
+            date_str.parseString("1999/12/31")  # -> ['1999', '/', '12', '/', '31']
+
+            # use parse action to convert to ints at parse time
+            integer = Word(nums).setParseAction(lambda toks: int(toks[0]))
+            date_str = integer + '/' + integer + '/' + integer
+
+            # note that integer fields are now ints, not strings
+            date_str.parseString("1999/12/31")  # -> [1999, '/', 12, '/', 31]
+        """
+        self.parseAction = list(map(_trim_arity, list(fns)))
+        self.callDuringTry = kwargs.get("callDuringTry", False)
+        return self
+
+    def addParseAction( self, *fns, **kwargs ):
+        """
+        Add one or more parse actions to expression's list of parse actions. See L{I{setParseAction}<setParseAction>}.
+        
+        See examples in L{I{copy}<copy>}.
+        """
+        self.parseAction += list(map(_trim_arity, list(fns)))
+        self.callDuringTry = self.callDuringTry or kwargs.get("callDuringTry", False)
+        return self
+
+    def addCondition(self, *fns, **kwargs):
+        """Add a boolean predicate function to expression's list of parse actions. See 
+        L{I{setParseAction}<setParseAction>} for function call signatures. Unlike C{setParseAction}, 
+        functions passed to C{addCondition} need to return boolean success/fail of the condition.
+
+        Optional keyword arguments:
+         - message = define a custom message to be used in the raised exception
+         - fatal   = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise ParseException
+         
+        Example::
+            integer = Word(nums).setParseAction(lambda toks: int(toks[0]))
+            year_int = integer.copy()
+            year_int.addCondition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later")
+            date_str = year_int + '/' + integer + '/' + integer
+
+            result = date_str.parseString("1999/12/31")  # -> Exception: Only support years 2000 and later (at char 0), (line:1, col:1)
+        """
+        msg = kwargs.get("message", "failed user-defined condition")
+        exc_type = ParseFatalException if kwargs.get("fatal", False) else ParseException
+        for fn in fns:
+            def pa(s,l,t):
+                if not bool(_trim_arity(fn)(s,l,t)):
+                    raise exc_type(s,l,msg)
+            self.parseAction.append(pa)
+        self.callDuringTry = self.callDuringTry or kwargs.get("callDuringTry", False)
+        return self
+
+    def setFailAction( self, fn ):
+        """Define action to perform if parsing fails at this expression.
+           Fail acton fn is a callable function that takes the arguments
+           C{fn(s,loc,expr,err)} where:
+            - s = string being parsed
+            - loc = location where expression match was attempted and failed
+            - expr = the parse expression that failed
+            - err = the exception thrown
+           The function returns no value.  It may throw C{L{ParseFatalException}}
+           if it is desired to stop parsing immediately."""
+        self.failAction = fn
+        return self
+
+    def _skipIgnorables( self, instring, loc ):
+        exprsFound = True
+        while exprsFound:
+            exprsFound = False
+            for e in self.ignoreExprs:
+                try:
+                    while 1:
+                        loc,dummy = e._parse( instring, loc )
+                        exprsFound = True
+                except ParseException:
+                    pass
+        return loc
+
+    def preParse( self, instring, loc ):
+        if self.ignoreExprs:
+            loc = self._skipIgnorables( instring, loc )
+
+        if self.skipWhitespace:
+            wt = self.whiteChars
+            instrlen = len(instring)
+            while loc < instrlen and instring[loc] in wt:
+                loc += 1
+
+        return loc
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        return loc, []
+
+    def postParse( self, instring, loc, tokenlist ):
+        return tokenlist
+
+    #~ @profile
+    def _parseNoCache( self, instring, loc, doActions=True, callPreParse=True ):
+        debugging = ( self.debug ) #and doActions )
+
+        if debugging or self.failAction:
+            #~ print ("Match",self,"at loc",loc,"(%d,%d)" % ( lineno(loc,instring), col(loc,instring) ))
+            if (self.debugActions[0] ):
+                self.debugActions[0]( instring, loc, self )
+            if callPreParse and self.callPreparse:
+                preloc = self.preParse( instring, loc )
+            else:
+                preloc = loc
+            tokensStart = preloc
+            try:
+                try:
+                    loc,tokens = self.parseImpl( instring, preloc, doActions )
+                except IndexError:
+                    raise ParseException( instring, len(instring), self.errmsg, self )
+            except ParseBaseException as err:
+                #~ print ("Exception raised:", err)
+                if self.debugActions[2]:
+                    self.debugActions[2]( instring, tokensStart, self, err )
+                if self.failAction:
+                    self.failAction( instring, tokensStart, self, err )
+                raise
+        else:
+            if callPreParse and self.callPreparse:
+                preloc = self.preParse( instring, loc )
+            else:
+                preloc = loc
+            tokensStart = preloc
+            if self.mayIndexError or preloc >= len(instring):
+                try:
+                    loc,tokens = self.parseImpl( instring, preloc, doActions )
+                except IndexError:
+                    raise ParseException( instring, len(instring), self.errmsg, self )
+            else:
+                loc,tokens = self.parseImpl( instring, preloc, doActions )
+
+        tokens = self.postParse( instring, loc, tokens )
+
+        retTokens = ParseResults( tokens, self.resultsName, asList=self.saveAsList, modal=self.modalResults )
+        if self.parseAction and (doActions or self.callDuringTry):
+            if debugging:
+                try:
+                    for fn in self.parseAction:
+                        tokens = fn( instring, tokensStart, retTokens )
+                        if tokens is not None:
+                            retTokens = ParseResults( tokens,
+                                                      self.resultsName,
+                                                      asList=self.saveAsList and isinstance(tokens,(ParseResults,list)),
+                                                      modal=self.modalResults )
+                except ParseBaseException as err:
+                    #~ print "Exception raised in user parse action:", err
+                    if (self.debugActions[2] ):
+                        self.debugActions[2]( instring, tokensStart, self, err )
+                    raise
+            else:
+                for fn in self.parseAction:
+                    tokens = fn( instring, tokensStart, retTokens )
+                    if tokens is not None:
+                        retTokens = ParseResults( tokens,
+                                                  self.resultsName,
+                                                  asList=self.saveAsList and isinstance(tokens,(ParseResults,list)),
+                                                  modal=self.modalResults )
+        if debugging:
+            #~ print ("Matched",self,"->",retTokens.asList())
+            if (self.debugActions[1] ):
+                self.debugActions[1]( instring, tokensStart, loc, self, retTokens )
+
+        return loc, retTokens
+
+    def tryParse( self, instring, loc ):
+        try:
+            return self._parse( instring, loc, doActions=False )[0]
+        except ParseFatalException:
+            raise ParseException( instring, loc, self.errmsg, self)
+    
+    def canParseNext(self, instring, loc):
+        try:
+            self.tryParse(instring, loc)
+        except (ParseException, IndexError):
+            return False
+        else:
+            return True
+
+    class _UnboundedCache(object):
+        def __init__(self):
+            cache = {}
+            self.not_in_cache = not_in_cache = object()
+
+            def get(self, key):
+                return cache.get(key, not_in_cache)
+
+            def set(self, key, value):
+                cache[key] = value
+
+            def clear(self):
+                cache.clear()
+                
+            def cache_len(self):
+                return len(cache)
+
+            self.get = types.MethodType(get, self)
+            self.set = types.MethodType(set, self)
+            self.clear = types.MethodType(clear, self)
+            self.__len__ = types.MethodType(cache_len, self)
+
+    if _OrderedDict is not None:
+        class _FifoCache(object):
+            def __init__(self, size):
+                self.not_in_cache = not_in_cache = object()
+
+                cache = _OrderedDict()
+
+                def get(self, key):
+                    return cache.get(key, not_in_cache)
+
+                def set(self, key, value):
+                    cache[key] = value
+                    while len(cache) > size:
+                        try:
+                            cache.popitem(False)
+                        except KeyError:
+                            pass
+
+                def clear(self):
+                    cache.clear()
+
+                def cache_len(self):
+                    return len(cache)
+
+                self.get = types.MethodType(get, self)
+                self.set = types.MethodType(set, self)
+                self.clear = types.MethodType(clear, self)
+                self.__len__ = types.MethodType(cache_len, self)
+
+    else:
+        class _FifoCache(object):
+            def __init__(self, size):
+                self.not_in_cache = not_in_cache = object()
+
+                cache = {}
+                key_fifo = collections.deque([], size)
+
+                def get(self, key):
+                    return cache.get(key, not_in_cache)
+
+                def set(self, key, value):
+                    cache[key] = value
+                    while len(key_fifo) > size:
+                        cache.pop(key_fifo.popleft(), None)
+                    key_fifo.append(key)
+
+                def clear(self):
+                    cache.clear()
+                    key_fifo.clear()
+
+                def cache_len(self):
+                    return len(cache)
+
+                self.get = types.MethodType(get, self)
+                self.set = types.MethodType(set, self)
+                self.clear = types.MethodType(clear, self)
+                self.__len__ = types.MethodType(cache_len, self)
+
+    # argument cache for optimizing repeated calls when backtracking through recursive expressions
+    packrat_cache = {} # this is set later by enabledPackrat(); this is here so that resetCache() doesn't fail
+    packrat_cache_lock = RLock()
+    packrat_cache_stats = [0, 0]
+
+    # this method gets repeatedly called during backtracking with the same arguments -
+    # we can cache these arguments and save ourselves the trouble of re-parsing the contained expression
+    def _parseCache( self, instring, loc, doActions=True, callPreParse=True ):
+        HIT, MISS = 0, 1
+        lookup = (self, instring, loc, callPreParse, doActions)
+        with ParserElement.packrat_cache_lock:
+            cache = ParserElement.packrat_cache
+            value = cache.get(lookup)
+            if value is cache.not_in_cache:
+                ParserElement.packrat_cache_stats[MISS] += 1
+                try:
+                    value = self._parseNoCache(instring, loc, doActions, callPreParse)
+                except ParseBaseException as pe:
+                    # cache a copy of the exception, without the traceback
+                    cache.set(lookup, pe.__class__(*pe.args))
+                    raise
+                else:
+                    cache.set(lookup, (value[0], value[1].copy()))
+                    return value
+            else:
+                ParserElement.packrat_cache_stats[HIT] += 1
+                if isinstance(value, Exception):
+                    raise value
+                return (value[0], value[1].copy())
+
+    _parse = _parseNoCache
+
+    @staticmethod
+    def resetCache():
+        ParserElement.packrat_cache.clear()
+        ParserElement.packrat_cache_stats[:] = [0] * len(ParserElement.packrat_cache_stats)
+
+    _packratEnabled = False
+    @staticmethod
+    def enablePackrat(cache_size_limit=128):
+        """Enables "packrat" parsing, which adds memoizing to the parsing logic.
+           Repeated parse attempts at the same string location (which happens
+           often in many complex grammars) can immediately return a cached value,
+           instead of re-executing parsing/validating code.  Memoizing is done of
+           both valid results and parsing exceptions.
+           
+           Parameters:
+            - cache_size_limit - (default=C{128}) - if an integer value is provided
+              will limit the size of the packrat cache; if None is passed, then
+              the cache size will be unbounded; if 0 is passed, the cache will
+              be effectively disabled.
+            
+           This speedup may break existing programs that use parse actions that
+           have side-effects.  For this reason, packrat parsing is disabled when
+           you first import pyparsing.  To activate the packrat feature, your
+           program must call the class method C{ParserElement.enablePackrat()}.  If
+           your program uses C{psyco} to "compile as you go", you must call
+           C{enablePackrat} before calling C{psyco.full()}.  If you do not do this,
+           Python will crash.  For best results, call C{enablePackrat()} immediately
+           after importing pyparsing.
+           
+           Example::
+               import pyparsing
+               pyparsing.ParserElement.enablePackrat()
+        """
+        if not ParserElement._packratEnabled:
+            ParserElement._packratEnabled = True
+            if cache_size_limit is None:
+                ParserElement.packrat_cache = ParserElement._UnboundedCache()
+            else:
+                ParserElement.packrat_cache = ParserElement._FifoCache(cache_size_limit)
+            ParserElement._parse = ParserElement._parseCache
+
+    def parseString( self, instring, parseAll=False ):
+        """
+        Execute the parse expression with the given string.
+        This is the main interface to the client code, once the complete
+        expression has been built.
+
+        If you want the grammar to require that the entire input string be
+        successfully parsed, then set C{parseAll} to True (equivalent to ending
+        the grammar with C{L{StringEnd()}}).
+
+        Note: C{parseString} implicitly calls C{expandtabs()} on the input string,
+        in order to report proper column numbers in parse actions.
+        If the input string contains tabs and
+        the grammar uses parse actions that use the C{loc} argument to index into the
+        string being parsed, you can ensure you have a consistent view of the input
+        string by:
+         - calling C{parseWithTabs} on your grammar before calling C{parseString}
+           (see L{I{parseWithTabs}<parseWithTabs>})
+         - define your parse action using the full C{(s,loc,toks)} signature, and
+           reference the input string using the parse action's C{s} argument
+         - explictly expand the tabs in your input string before calling
+           C{parseString}
+        
+        Example::
+            Word('a').parseString('aaaaabaaa')  # -> ['aaaaa']
+            Word('a').parseString('aaaaabaaa', parseAll=True)  # -> Exception: Expected end of text
+        """
+        ParserElement.resetCache()
+        if not self.streamlined:
+            self.streamline()
+            #~ self.saveAsList = True
+        for e in self.ignoreExprs:
+            e.streamline()
+        if not self.keepTabs:
+            instring = instring.expandtabs()
+        try:
+            loc, tokens = self._parse( instring, 0 )
+            if parseAll:
+                loc = self.preParse( instring, loc )
+                se = Empty() + StringEnd()
+                se._parse( instring, loc )
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc
+        else:
+            return tokens
+
+    def scanString( self, instring, maxMatches=_MAX_INT, overlap=False ):
+        """
+        Scan the input string for expression matches.  Each match will return the
+        matching tokens, start location, and end location.  May be called with optional
+        C{maxMatches} argument, to clip scanning after 'n' matches are found.  If
+        C{overlap} is specified, then overlapping matches will be reported.
+
+        Note that the start and end locations are reported relative to the string
+        being parsed.  See L{I{parseString}<parseString>} for more information on parsing
+        strings with embedded tabs.
+
+        Example::
+            source = "sldjf123lsdjjkf345sldkjf879lkjsfd987"
+            print(source)
+            for tokens,start,end in Word(alphas).scanString(source):
+                print(' '*start + '^'*(end-start))
+                print(' '*start + tokens[0])
+        
+        prints::
+        
+            sldjf123lsdjjkf345sldkjf879lkjsfd987
+            ^^^^^
+            sldjf
+                    ^^^^^^^
+                    lsdjjkf
+                              ^^^^^^
+                              sldkjf
+                                       ^^^^^^
+                                       lkjsfd
+        """
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+
+        if not self.keepTabs:
+            instring = _ustr(instring).expandtabs()
+        instrlen = len(instring)
+        loc = 0
+        preparseFn = self.preParse
+        parseFn = self._parse
+        ParserElement.resetCache()
+        matches = 0
+        try:
+            while loc <= instrlen and matches < maxMatches:
+                try:
+                    preloc = preparseFn( instring, loc )
+                    nextLoc,tokens = parseFn( instring, preloc, callPreParse=False )
+                except ParseException:
+                    loc = preloc+1
+                else:
+                    if nextLoc > loc:
+                        matches += 1
+                        yield tokens, preloc, nextLoc
+                        if overlap:
+                            nextloc = preparseFn( instring, loc )
+                            if nextloc > loc:
+                                loc = nextLoc
+                            else:
+                                loc += 1
+                        else:
+                            loc = nextLoc
+                    else:
+                        loc = preloc+1
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc
+
+    def transformString( self, instring ):
+        """
+        Extension to C{L{scanString}}, to modify matching text with modified tokens that may
+        be returned from a parse action.  To use C{transformString}, define a grammar and
+        attach a parse action to it that modifies the returned token list.
+        Invoking C{transformString()} on a target string will then scan for matches,
+        and replace the matched text patterns according to the logic in the parse
+        action.  C{transformString()} returns the resulting transformed string.
+        
+        Example::
+            wd = Word(alphas)
+            wd.setParseAction(lambda toks: toks[0].title())
+            
+            print(wd.transformString("now is the winter of our discontent made glorious summer by this sun of york."))
+        Prints::
+            Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York.
+        """
+        out = []
+        lastE = 0
+        # force preservation of <TAB>s, to minimize unwanted transformation of string, and to
+        # keep string locs straight between transformString and scanString
+        self.keepTabs = True
+        try:
+            for t,s,e in self.scanString( instring ):
+                out.append( instring[lastE:s] )
+                if t:
+                    if isinstance(t,ParseResults):
+                        out += t.asList()
+                    elif isinstance(t,list):
+                        out += t
+                    else:
+                        out.append(t)
+                lastE = e
+            out.append(instring[lastE:])
+            out = [o for o in out if o]
+            return "".join(map(_ustr,_flatten(out)))
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc
+
+    def searchString( self, instring, maxMatches=_MAX_INT ):
+        """
+        Another extension to C{L{scanString}}, simplifying the access to the tokens found
+        to match the given parse expression.  May be called with optional
+        C{maxMatches} argument, to clip searching after 'n' matches are found.
+        
+        Example::
+            # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters
+            cap_word = Word(alphas.upper(), alphas.lower())
+            
+            print(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity"))
+
+            # the sum() builtin can be used to merge results into a single ParseResults object
+            print(sum(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity")))
+        prints::
+            [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']]
+            ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity']
+        """
+        try:
+            return ParseResults([ t for t,s,e in self.scanString( instring, maxMatches ) ])
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc
+
+    def split(self, instring, maxsplit=_MAX_INT, includeSeparators=False):
+        """
+        Generator method to split a string using the given expression as a separator.
+        May be called with optional C{maxsplit} argument, to limit the number of splits;
+        and the optional C{includeSeparators} argument (default=C{False}), if the separating
+        matching text should be included in the split results.
+        
+        Example::        
+            punc = oneOf(list(".,;:/-!?"))
+            print(list(punc.split("This, this?, this sentence, is badly punctuated!")))
+        prints::
+            ['This', ' this', '', ' this sentence', ' is badly punctuated', '']
+        """
+        splits = 0
+        last = 0
+        for t,s,e in self.scanString(instring, maxMatches=maxsplit):
+            yield instring[last:s]
+            if includeSeparators:
+                yield t[0]
+            last = e
+        yield instring[last:]
+
+    def __add__(self, other ):
+        """
+        Implementation of + operator - returns C{L{And}}. Adding strings to a ParserElement
+        converts them to L{Literal}s by default.
+        
+        Example::
+            greet = Word(alphas) + "," + Word(alphas) + "!"
+            hello = "Hello, World!"
+            print (hello, "->", greet.parseString(hello))
+        Prints::
+            Hello, World! -> ['Hello', ',', 'World', '!']
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return And( [ self, other ] )
+
+    def __radd__(self, other ):
+        """
+        Implementation of + operator when left operand is not a C{L{ParserElement}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return other + self
+
+    def __sub__(self, other):
+        """
+        Implementation of - operator, returns C{L{And}} with error stop
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return self + And._ErrorStop() + other
+
+    def __rsub__(self, other ):
+        """
+        Implementation of - operator when left operand is not a C{L{ParserElement}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return other - self
+
+    def __mul__(self,other):
+        """
+        Implementation of * operator, allows use of C{expr * 3} in place of
+        C{expr + expr + expr}.  Expressions may also me multiplied by a 2-integer
+        tuple, similar to C{{min,max}} multipliers in regular expressions.  Tuples
+        may also include C{None} as in:
+         - C{expr*(n,None)} or C{expr*(n,)} is equivalent
+              to C{expr*n + L{ZeroOrMore}(expr)}
+              (read as "at least n instances of C{expr}")
+         - C{expr*(None,n)} is equivalent to C{expr*(0,n)}
+              (read as "0 to n instances of C{expr}")
+         - C{expr*(None,None)} is equivalent to C{L{ZeroOrMore}(expr)}
+         - C{expr*(1,None)} is equivalent to C{L{OneOrMore}(expr)}
+
+        Note that C{expr*(None,n)} does not raise an exception if
+        more than n exprs exist in the input stream; that is,
+        C{expr*(None,n)} does not enforce a maximum number of expr
+        occurrences.  If this behavior is desired, then write
+        C{expr*(None,n) + ~expr}
+        """
+        if isinstance(other,int):
+            minElements, optElements = other,0
+        elif isinstance(other,tuple):
+            other = (other + (None, None))[:2]
+            if other[0] is None:
+                other = (0, other[1])
+            if isinstance(other[0],int) and other[1] is None:
+                if other[0] == 0:
+                    return ZeroOrMore(self)
+                if other[0] == 1:
+                    return OneOrMore(self)
+                else:
+                    return self*other[0] + ZeroOrMore(self)
+            elif isinstance(other[0],int) and isinstance(other[1],int):
+                minElements, optElements = other
+                optElements -= minElements
+            else:
+                raise TypeError("cannot multiply 'ParserElement' and ('%s','%s') objects", type(other[0]),type(other[1]))
+        else:
+            raise TypeError("cannot multiply 'ParserElement' and '%s' objects", type(other))
+
+        if minElements < 0:
+            raise ValueError("cannot multiply ParserElement by negative value")
+        if optElements < 0:
+            raise ValueError("second tuple value must be greater or equal to first tuple value")
+        if minElements == optElements == 0:
+            raise ValueError("cannot multiply ParserElement by 0 or (0,0)")
+
+        if (optElements):
+            def makeOptionalList(n):
+                if n>1:
+                    return Optional(self + makeOptionalList(n-1))
+                else:
+                    return Optional(self)
+            if minElements:
+                if minElements == 1:
+                    ret = self + makeOptionalList(optElements)
+                else:
+                    ret = And([self]*minElements) + makeOptionalList(optElements)
+            else:
+                ret = makeOptionalList(optElements)
+        else:
+            if minElements == 1:
+                ret = self
+            else:
+                ret = And([self]*minElements)
+        return ret
+
+    def __rmul__(self, other):
+        return self.__mul__(other)
+
+    def __or__(self, other ):
+        """
+        Implementation of | operator - returns C{L{MatchFirst}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return MatchFirst( [ self, other ] )
+
+    def __ror__(self, other ):
+        """
+        Implementation of | operator when left operand is not a C{L{ParserElement}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return other | self
+
+    def __xor__(self, other ):
+        """
+        Implementation of ^ operator - returns C{L{Or}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return Or( [ self, other ] )
+
+    def __rxor__(self, other ):
+        """
+        Implementation of ^ operator when left operand is not a C{L{ParserElement}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return other ^ self
+
+    def __and__(self, other ):
+        """
+        Implementation of & operator - returns C{L{Each}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return Each( [ self, other ] )
+
+    def __rand__(self, other ):
+        """
+        Implementation of & operator when left operand is not a C{L{ParserElement}}
+        """
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        if not isinstance( other, ParserElement ):
+            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
+                    SyntaxWarning, stacklevel=2)
+            return None
+        return other & self
+
+    def __invert__( self ):
+        """
+        Implementation of ~ operator - returns C{L{NotAny}}
+        """
+        return NotAny( self )
+
+    def __call__(self, name=None):
+        """
+        Shortcut for C{L{setResultsName}}, with C{listAllMatches=False}.
+        
+        If C{name} is given with a trailing C{'*'} character, then C{listAllMatches} will be
+        passed as C{True}.
+           
+        If C{name} is omitted, same as calling C{L{copy}}.
+
+        Example::
+            # these are equivalent
+            userdata = Word(alphas).setResultsName("name") + Word(nums+"-").setResultsName("socsecno")
+            userdata = Word(alphas)("name") + Word(nums+"-")("socsecno")             
+        """
+        if name is not None:
+            return self.setResultsName(name)
+        else:
+            return self.copy()
+
+    def suppress( self ):
+        """
+        Suppresses the output of this C{ParserElement}; useful to keep punctuation from
+        cluttering up returned output.
+        """
+        return Suppress( self )
+
+    def leaveWhitespace( self ):
+        """
+        Disables the skipping of whitespace before matching the characters in the
+        C{ParserElement}'s defined pattern.  This is normally only used internally by
+        the pyparsing module, but may be needed in some whitespace-sensitive grammars.
+        """
+        self.skipWhitespace = False
+        return self
+
+    def setWhitespaceChars( self, chars ):
+        """
+        Overrides the default whitespace chars
+        """
+        self.skipWhitespace = True
+        self.whiteChars = chars
+        self.copyDefaultWhiteChars = False
+        return self
+
+    def parseWithTabs( self ):
+        """
+        Overrides default behavior to expand C{<TAB>}s to spaces before parsing the input string.
+        Must be called before C{parseString} when the input grammar contains elements that
+        match C{<TAB>} characters.
+        """
+        self.keepTabs = True
+        return self
+
+    def ignore( self, other ):
+        """
+        Define expression to be ignored (e.g., comments) while doing pattern
+        matching; may be called repeatedly, to define multiple comment or other
+        ignorable patterns.
+        
+        Example::
+            patt = OneOrMore(Word(alphas))
+            patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj']
+            
+            patt.ignore(cStyleComment)
+            patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj', 'lskjd']
+        """
+        if isinstance(other, basestring):
+            other = Suppress(other)
+
+        if isinstance( other, Suppress ):
+            if other not in self.ignoreExprs:
+                self.ignoreExprs.append(other)
+        else:
+            self.ignoreExprs.append( Suppress( other.copy() ) )
+        return self
+
+    def setDebugActions( self, startAction, successAction, exceptionAction ):
+        """
+        Enable display of debugging messages while doing pattern matching.
+        """
+        self.debugActions = (startAction or _defaultStartDebugAction,
+                             successAction or _defaultSuccessDebugAction,
+                             exceptionAction or _defaultExceptionDebugAction)
+        self.debug = True
+        return self
+
+    def setDebug( self, flag=True ):
+        """
+        Enable display of debugging messages while doing pattern matching.
+        Set C{flag} to True to enable, False to disable.
+
+        Example::
+            wd = Word(alphas).setName("alphaword")
+            integer = Word(nums).setName("numword")
+            term = wd | integer
+            
+            # turn on debugging for wd
+            wd.setDebug()
+
+            OneOrMore(term).parseString("abc 123 xyz 890")
+        
+        prints::
+            Match alphaword at loc 0(1,1)
+            Matched alphaword -> ['abc']
+            Match alphaword at loc 3(1,4)
+            Exception raised:Expected alphaword (at char 4), (line:1, col:5)
+            Match alphaword at loc 7(1,8)
+            Matched alphaword -> ['xyz']
+            Match alphaword at loc 11(1,12)
+            Exception raised:Expected alphaword (at char 12), (line:1, col:13)
+            Match alphaword at loc 15(1,16)
+            Exception raised:Expected alphaword (at char 15), (line:1, col:16)
+
+        The output shown is that produced by the default debug actions - custom debug actions can be
+        specified using L{setDebugActions}. Prior to attempting
+        to match the C{wd} expression, the debugging message C{"Match <exprname> at loc <n>(<line>,<col>)"}
+        is shown. Then if the parse succeeds, a C{"Matched"} message is shown, or an C{"Exception raised"}
+        message is shown. Also note the use of L{setName} to assign a human-readable name to the expression,
+        which makes debugging and exception messages easier to understand - for instance, the default
+        name created for the C{Word} expression without calling C{setName} is C{"W:(ABCD...)"}.
+        """
+        if flag:
+            self.setDebugActions( _defaultStartDebugAction, _defaultSuccessDebugAction, _defaultExceptionDebugAction )
+        else:
+            self.debug = False
+        return self
+
+    def __str__( self ):
+        return self.name
+
+    def __repr__( self ):
+        return _ustr(self)
+
+    def streamline( self ):
+        self.streamlined = True
+        self.strRepr = None
+        return self
+
+    def checkRecursion( self, parseElementList ):
+        pass
+
+    def validate( self, validateTrace=[] ):
+        """
+        Check defined expressions for valid structure, check for infinite recursive definitions.
+        """
+        self.checkRecursion( [] )
+
+    def parseFile( self, file_or_filename, parseAll=False ):
+        """
+        Execute the parse expression on the given file or filename.
+        If a filename is specified (instead of a file object),
+        the entire file is opened, read, and closed before parsing.
+        """
+        try:
+            file_contents = file_or_filename.read()
+        except AttributeError:
+            with open(file_or_filename, "r") as f:
+                file_contents = f.read()
+        try:
+            return self.parseString(file_contents, parseAll)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc
+
+    def __eq__(self,other):
+        if isinstance(other, ParserElement):
+            return self is other or vars(self) == vars(other)
+        elif isinstance(other, basestring):
+            return self.matches(other)
+        else:
+            return super(ParserElement,self)==other
+
+    def __ne__(self,other):
+        return not (self == other)
+
+    def __hash__(self):
+        return hash(id(self))
+
+    def __req__(self,other):
+        return self == other
+
+    def __rne__(self,other):
+        return not (self == other)
+
+    def matches(self, testString, parseAll=True):
+        """
+        Method for quick testing of a parser against a test string. Good for simple 
+        inline microtests of sub expressions while building up larger parser.
+           
+        Parameters:
+         - testString - to test against this expression for a match
+         - parseAll - (default=C{True}) - flag to pass to C{L{parseString}} when running tests
+            
+        Example::
+            expr = Word(nums)
+            assert expr.matches("100")
+        """
+        try:
+            self.parseString(_ustr(testString), parseAll=parseAll)
+            return True
+        except ParseBaseException:
+            return False
+                
+    def runTests(self, tests, parseAll=True, comment='#', fullDump=True, printResults=True, failureTests=False):
+        """
+        Execute the parse expression on a series of test strings, showing each
+        test, the parsed results or where the parse failed. Quick and easy way to
+        run a parse expression against a list of sample strings.
+           
+        Parameters:
+         - tests - a list of separate test strings, or a multiline string of test strings
+         - parseAll - (default=C{True}) - flag to pass to C{L{parseString}} when running tests           
+         - comment - (default=C{'#'}) - expression for indicating embedded comments in the test 
+              string; pass None to disable comment filtering
+         - fullDump - (default=C{True}) - dump results as list followed by results names in nested outline;
+              if False, only dump nested list
+         - printResults - (default=C{True}) prints test output to stdout
+         - failureTests - (default=C{False}) indicates if these tests are expected to fail parsing
+
+        Returns: a (success, results) tuple, where success indicates that all tests succeeded
+        (or failed if C{failureTests} is True), and the results contain a list of lines of each 
+        test's output
+        
+        Example::
+            number_expr = pyparsing_common.number.copy()
+
+            result = number_expr.runTests('''
+                # unsigned integer
+                100
+                # negative integer
+                -100
+                # float with scientific notation
+                6.02e23
+                # integer with scientific notation
+                1e-12
+                ''')
+            print("Success" if result[0] else "Failed!")
+
+            result = number_expr.runTests('''
+                # stray character
+                100Z
+                # missing leading digit before '.'
+                -.100
+                # too many '.'
+                3.14.159
+                ''', failureTests=True)
+            print("Success" if result[0] else "Failed!")
+        prints::
+            # unsigned integer
+            100
+            [100]
+
+            # negative integer
+            -100
+            [-100]
+
+            # float with scientific notation
+            6.02e23
+            [6.02e+23]
+
+            # integer with scientific notation
+            1e-12
+            [1e-12]
+
+            Success
+            
+            # stray character
+            100Z
+               ^
+            FAIL: Expected end of text (at char 3), (line:1, col:4)
+
+            # missing leading digit before '.'
+            -.100
+            ^
+            FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1)
+
+            # too many '.'
+            3.14.159
+                ^
+            FAIL: Expected end of text (at char 4), (line:1, col:5)
+
+            Success
+
+        Each test string must be on a single line. If you want to test a string that spans multiple
+        lines, create a test like this::
+
+            expr.runTest(r"this is a test\\n of strings that spans \\n 3 lines")
+        
+        (Note that this is a raw string literal, you must include the leading 'r'.)
+        """
+        if isinstance(tests, basestring):
+            tests = list(map(str.strip, tests.rstrip().splitlines()))
+        if isinstance(comment, basestring):
+            comment = Literal(comment)
+        allResults = []
+        comments = []
+        success = True
+        for t in tests:
+            if comment is not None and comment.matches(t, False) or comments and not t:
+                comments.append(t)
+                continue
+            if not t:
+                continue
+            out = ['\n'.join(comments), t]
+            comments = []
+            try:
+                t = t.replace(r'\n','\n')
+                result = self.parseString(t, parseAll=parseAll)
+                out.append(result.dump(full=fullDump))
+                success = success and not failureTests
+            except ParseBaseException as pe:
+                fatal = "(FATAL)" if isinstance(pe, ParseFatalException) else ""
+                if '\n' in t:
+                    out.append(line(pe.loc, t))
+                    out.append(' '*(col(pe.loc,t)-1) + '^' + fatal)
+                else:
+                    out.append(' '*pe.loc + '^' + fatal)
+                out.append("FAIL: " + str(pe))
+                success = success and failureTests
+                result = pe
+            except Exception as exc:
+                out.append("FAIL-EXCEPTION: " + str(exc))
+                success = success and failureTests
+                result = exc
+
+            if printResults:
+                if fullDump:
+                    out.append('')
+                print('\n'.join(out))
+
+            allResults.append((t, result))
+        
+        return success, allResults
+
+        
+class Token(ParserElement):
+    """
+    Abstract C{ParserElement} subclass, for defining atomic matching patterns.
+    """
+    def __init__( self ):
+        super(Token,self).__init__( savelist=False )
+
+
+class Empty(Token):
+    """
+    An empty token, will always match.
+    """
+    def __init__( self ):
+        super(Empty,self).__init__()
+        self.name = "Empty"
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class NoMatch(Token):
+    """
+    A token that will never match.
+    """
+    def __init__( self ):
+        super(NoMatch,self).__init__()
+        self.name = "NoMatch"
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.errmsg = "Unmatchable token"
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Literal(Token):
+    """
+    Token to exactly match a specified string.
+    
+    Example::
+        Literal('blah').parseString('blah')  # -> ['blah']
+        Literal('blah').parseString('blahfooblah')  # -> ['blah']
+        Literal('blah').parseString('bla')  # -> Exception: Expected "blah"
+    
+    For case-insensitive matching, use L{CaselessLiteral}.
+    
+    For keyword matching (force word break before and after the matched string),
+    use L{Keyword} or L{CaselessKeyword}.
+    """
+    def __init__( self, matchString ):
+        super(Literal,self).__init__()
+        self.match = matchString
+        self.matchLen = len(matchString)
+        try:
+            self.firstMatchChar = matchString[0]
+        except IndexError:
+            warnings.warn("null string passed to Literal; use Empty() instead",
+                            SyntaxWarning, stacklevel=2)
+            self.__class__ = Empty
+        self.name = '"%s"' % _ustr(self.match)
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+
+    # Performance tuning: this routine gets called a *lot*
+    # if this is a single character match string  and the first character matches,
+    # short-circuit as quickly as possible, and avoid calling startswith
+    #~ @profile
+    def parseImpl( self, instring, loc, doActions=True ):
+        if (instring[loc] == self.firstMatchChar and
+            (self.matchLen==1 or instring.startswith(self.match,loc)) ):
+            return loc+self.matchLen, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+_L = Literal
+ParserElement._literalStringClass = Literal
+
+class Keyword(Token):
+    """
+    Token to exactly match a specified string as a keyword, that is, it must be
+    immediately followed by a non-keyword character.  Compare with C{L{Literal}}:
+     - C{Literal("if")} will match the leading C{'if'} in C{'ifAndOnlyIf'}.
+     - C{Keyword("if")} will not; it will only match the leading C{'if'} in C{'if x=1'}, or C{'if(y==2)'}
+    Accepts two optional constructor arguments in addition to the keyword string:
+     - C{identChars} is a string of characters that would be valid identifier characters,
+          defaulting to all alphanumerics + "_" and "$"
+     - C{caseless} allows case-insensitive matching, default is C{False}.
+       
+    Example::
+        Keyword("start").parseString("start")  # -> ['start']
+        Keyword("start").parseString("starting")  # -> Exception
+
+    For case-insensitive matching, use L{CaselessKeyword}.
+    """
+    DEFAULT_KEYWORD_CHARS = alphanums+"_$"
+
+    def __init__( self, matchString, identChars=None, caseless=False ):
+        super(Keyword,self).__init__()
+        if identChars is None:
+            identChars = Keyword.DEFAULT_KEYWORD_CHARS
+        self.match = matchString
+        self.matchLen = len(matchString)
+        try:
+            self.firstMatchChar = matchString[0]
+        except IndexError:
+            warnings.warn("null string passed to Keyword; use Empty() instead",
+                            SyntaxWarning, stacklevel=2)
+        self.name = '"%s"' % self.match
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+        self.caseless = caseless
+        if caseless:
+            self.caselessmatch = matchString.upper()
+            identChars = identChars.upper()
+        self.identChars = set(identChars)
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if self.caseless:
+            if ( (instring[ loc:loc+self.matchLen ].upper() == self.caselessmatch) and
+                 (loc >= len(instring)-self.matchLen or instring[loc+self.matchLen].upper() not in self.identChars) and
+                 (loc == 0 or instring[loc-1].upper() not in self.identChars) ):
+                return loc+self.matchLen, self.match
+        else:
+            if (instring[loc] == self.firstMatchChar and
+                (self.matchLen==1 or instring.startswith(self.match,loc)) and
+                (loc >= len(instring)-self.matchLen or instring[loc+self.matchLen] not in self.identChars) and
+                (loc == 0 or instring[loc-1] not in self.identChars) ):
+                return loc+self.matchLen, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+    def copy(self):
+        c = super(Keyword,self).copy()
+        c.identChars = Keyword.DEFAULT_KEYWORD_CHARS
+        return c
+
+    @staticmethod
+    def setDefaultKeywordChars( chars ):
+        """Overrides the default Keyword chars
+        """
+        Keyword.DEFAULT_KEYWORD_CHARS = chars
+
+class CaselessLiteral(Literal):
+    """
+    Token to match a specified string, ignoring case of letters.
+    Note: the matched results will always be in the case of the given
+    match string, NOT the case of the input text.
+
+    Example::
+        OneOrMore(CaselessLiteral("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD', 'CMD']
+        
+    (Contrast with example for L{CaselessKeyword}.)
+    """
+    def __init__( self, matchString ):
+        super(CaselessLiteral,self).__init__( matchString.upper() )
+        # Preserve the defining literal.
+        self.returnString = matchString
+        self.name = "'%s'" % self.returnString
+        self.errmsg = "Expected " + self.name
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if instring[ loc:loc+self.matchLen ].upper() == self.match:
+            return loc+self.matchLen, self.returnString
+        raise ParseException(instring, loc, self.errmsg, self)
+
+class CaselessKeyword(Keyword):
+    """
+    Caseless version of L{Keyword}.
+
+    Example::
+        OneOrMore(CaselessKeyword("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD']
+        
+    (Contrast with example for L{CaselessLiteral}.)
+    """
+    def __init__( self, matchString, identChars=None ):
+        super(CaselessKeyword,self).__init__( matchString, identChars, caseless=True )
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if ( (instring[ loc:loc+self.matchLen ].upper() == self.caselessmatch) and
+             (loc >= len(instring)-self.matchLen or instring[loc+self.matchLen].upper() not in self.identChars) ):
+            return loc+self.matchLen, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+class CloseMatch(Token):
+    """
+    A variation on L{Literal} which matches "close" matches, that is, 
+    strings with at most 'n' mismatching characters. C{CloseMatch} takes parameters:
+     - C{match_string} - string to be matched
+     - C{maxMismatches} - (C{default=1}) maximum number of mismatches allowed to count as a match
+    
+    The results from a successful parse will contain the matched text from the input string and the following named results:
+     - C{mismatches} - a list of the positions within the match_string where mismatches were found
+     - C{original} - the original match_string used to compare against the input string
+    
+    If C{mismatches} is an empty list, then the match was an exact match.
+    
+    Example::
+        patt = CloseMatch("ATCATCGAATGGA")
+        patt.parseString("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']})
+        patt.parseString("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1)
+
+        # exact match
+        patt.parseString("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']})
+
+        # close match allowing up to 2 mismatches
+        patt = CloseMatch("ATCATCGAATGGA", maxMismatches=2)
+        patt.parseString("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']})
+    """
+    def __init__(self, match_string, maxMismatches=1):
+        super(CloseMatch,self).__init__()
+        self.name = match_string
+        self.match_string = match_string
+        self.maxMismatches = maxMismatches
+        self.errmsg = "Expected %r (with up to %d mismatches)" % (self.match_string, self.maxMismatches)
+        self.mayIndexError = False
+        self.mayReturnEmpty = False
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        start = loc
+        instrlen = len(instring)
+        maxloc = start + len(self.match_string)
+
+        if maxloc <= instrlen:
+            match_string = self.match_string
+            match_stringloc = 0
+            mismatches = []
+            maxMismatches = self.maxMismatches
+
+            for match_stringloc,s_m in enumerate(zip(instring[loc:maxloc], self.match_string)):
+                src,mat = s_m
+                if src != mat:
+                    mismatches.append(match_stringloc)
+                    if len(mismatches) > maxMismatches:
+                        break
+            else:
+                loc = match_stringloc + 1
+                results = ParseResults([instring[start:loc]])
+                results['original'] = self.match_string
+                results['mismatches'] = mismatches
+                return loc, results
+
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Word(Token):
+    """
+    Token for matching words composed of allowed character sets.
+    Defined with string containing all allowed initial characters,
+    an optional string containing allowed body characters (if omitted,
+    defaults to the initial character set), and an optional minimum,
+    maximum, and/or exact length.  The default value for C{min} is 1 (a
+    minimum value < 1 is not valid); the default values for C{max} and C{exact}
+    are 0, meaning no maximum or exact length restriction. An optional
+    C{excludeChars} parameter can list characters that might be found in 
+    the input C{bodyChars} string; useful to define a word of all printables
+    except for one or two characters, for instance.
+    
+    L{srange} is useful for defining custom character set strings for defining 
+    C{Word} expressions, using range notation from regular expression character sets.
+    
+    A common mistake is to use C{Word} to match a specific literal string, as in 
+    C{Word("Address")}. Remember that C{Word} uses the string argument to define
+    I{sets} of matchable characters. This expression would match "Add", "AAA",
+    "dAred", or any other word made up of the characters 'A', 'd', 'r', 'e', and 's'.
+    To match an exact literal string, use L{Literal} or L{Keyword}.
+
+    pyparsing includes helper strings for building Words:
+     - L{alphas}
+     - L{nums}
+     - L{alphanums}
+     - L{hexnums}
+     - L{alphas8bit} (alphabetic characters in ASCII range 128-255 - accented, tilded, umlauted, etc.)
+     - L{punc8bit} (non-alphabetic characters in ASCII range 128-255 - currency, symbols, superscripts, diacriticals, etc.)
+     - L{printables} (any non-whitespace character)
+
+    Example::
+        # a word composed of digits
+        integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9"))
+        
+        # a word with a leading capital, and zero or more lowercase
+        capital_word = Word(alphas.upper(), alphas.lower())
+
+        # hostnames are alphanumeric, with leading alpha, and '-'
+        hostname = Word(alphas, alphanums+'-')
+        
+        # roman numeral (not a strict parser, accepts invalid mix of characters)
+        roman = Word("IVXLCDM")
+        
+        # any string of non-whitespace characters, except for ','
+        csv_value = Word(printables, excludeChars=",")
+    """
+    def __init__( self, initChars, bodyChars=None, min=1, max=0, exact=0, asKeyword=False, excludeChars=None ):
+        super(Word,self).__init__()
+        if excludeChars:
+            initChars = ''.join(c for c in initChars if c not in excludeChars)
+            if bodyChars:
+                bodyChars = ''.join(c for c in bodyChars if c not in excludeChars)
+        self.initCharsOrig = initChars
+        self.initChars = set(initChars)
+        if bodyChars :
+            self.bodyCharsOrig = bodyChars
+            self.bodyChars = set(bodyChars)
+        else:
+            self.bodyCharsOrig = initChars
+            self.bodyChars = set(initChars)
+
+        self.maxSpecified = max > 0
+
+        if min < 1:
+            raise ValueError("cannot specify a minimum length < 1; use Optional(Word()) if zero-length word is permitted")
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.name = _ustr(self)
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asKeyword = asKeyword
+
+        if ' ' not in self.initCharsOrig+self.bodyCharsOrig and (min==1 and max==0 and exact==0):
+            if self.bodyCharsOrig == self.initCharsOrig:
+                self.reString = "[%s]+" % _escapeRegexRangeChars(self.initCharsOrig)
+            elif len(self.initCharsOrig) == 1:
+                self.reString = "%s[%s]*" % \
+                                      (re.escape(self.initCharsOrig),
+                                      _escapeRegexRangeChars(self.bodyCharsOrig),)
+            else:
+                self.reString = "[%s][%s]*" % \
+                                      (_escapeRegexRangeChars(self.initCharsOrig),
+                                      _escapeRegexRangeChars(self.bodyCharsOrig),)
+            if self.asKeyword:
+                self.reString = r"\b"+self.reString+r"\b"
+            try:
+                self.re = re.compile( self.reString )
+            except Exception:
+                self.re = None
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if self.re:
+            result = self.re.match(instring,loc)
+            if not result:
+                raise ParseException(instring, loc, self.errmsg, self)
+
+            loc = result.end()
+            return loc, result.group()
+
+        if not(instring[ loc ] in self.initChars):
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        instrlen = len(instring)
+        bodychars = self.bodyChars
+        maxloc = start + self.maxLen
+        maxloc = min( maxloc, instrlen )
+        while loc < maxloc and instring[loc] in bodychars:
+            loc += 1
+
+        throwException = False
+        if loc - start < self.minLen:
+            throwException = True
+        if self.maxSpecified and loc < instrlen and instring[loc] in bodychars:
+            throwException = True
+        if self.asKeyword:
+            if (start>0 and instring[start-1] in bodychars) or (loc<instrlen and instring[loc] in bodychars):
+                throwException = True
+
+        if throwException:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+    def __str__( self ):
+        try:
+            return super(Word,self).__str__()
+        except Exception:
+            pass
+
+
+        if self.strRepr is None:
+
+            def charsAsStr(s):
+                if len(s)>4:
+                    return s[:4]+"..."
+                else:
+                    return s
+
+            if ( self.initCharsOrig != self.bodyCharsOrig ):
+                self.strRepr = "W:(%s,%s)" % ( charsAsStr(self.initCharsOrig), charsAsStr(self.bodyCharsOrig) )
+            else:
+                self.strRepr = "W:(%s)" % charsAsStr(self.initCharsOrig)
+
+        return self.strRepr
+
+
+class Regex(Token):
+    r"""
+    Token for matching strings that match a given regular expression.
+    Defined with string specifying the regular expression in a form recognized by the inbuilt Python re module.
+    If the given regex contains named groups (defined using C{(?P<name>...)}), these will be preserved as 
+    named parse results.
+
+    Example::
+        realnum = Regex(r"[+-]?\d+\.\d*")
+        date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)')
+        # ref: http://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression
+        roman = Regex(r"M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})")
+    """
+    compiledREtype = type(re.compile("[A-Z]"))
+    def __init__( self, pattern, flags=0):
+        """The parameters C{pattern} and C{flags} are passed to the C{re.compile()} function as-is. See the Python C{re} module for an explanation of the acceptable patterns and flags."""
+        super(Regex,self).__init__()
+
+        if isinstance(pattern, basestring):
+            if not pattern:
+                warnings.warn("null string passed to Regex; use Empty() instead",
+                        SyntaxWarning, stacklevel=2)
+
+            self.pattern = pattern
+            self.flags = flags
+
+            try:
+                self.re = re.compile(self.pattern, self.flags)
+                self.reString = self.pattern
+            except sre_constants.error:
+                warnings.warn("invalid pattern (%s) passed to Regex" % pattern,
+                    SyntaxWarning, stacklevel=2)
+                raise
+
+        elif isinstance(pattern, Regex.compiledREtype):
+            self.re = pattern
+            self.pattern = \
+            self.reString = str(pattern)
+            self.flags = flags
+            
+        else:
+            raise ValueError("Regex may only be constructed with a string or a compiled RE object")
+
+        self.name = _ustr(self)
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.mayReturnEmpty = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        result = self.re.match(instring,loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        d = result.groupdict()
+        ret = ParseResults(result.group())
+        if d:
+            for k in d:
+                ret[k] = d[k]
+        return loc,ret
+
+    def __str__( self ):
+        try:
+            return super(Regex,self).__str__()
+        except Exception:
+            pass
+
+        if self.strRepr is None:
+            self.strRepr = "Re:(%s)" % repr(self.pattern)
+
+        return self.strRepr
+
+
+class QuotedString(Token):
+    r"""
+    Token for matching strings that are delimited by quoting characters.
+    
+    Defined with the following parameters:
+        - quoteChar - string of one or more characters defining the quote delimiting string
+        - escChar - character to escape quotes, typically backslash (default=C{None})
+        - escQuote - special quote sequence to escape an embedded quote string (such as SQL's "" to escape an embedded ") (default=C{None})
+        - multiline - boolean indicating whether quotes can span multiple lines (default=C{False})
+        - unquoteResults - boolean indicating whether the matched text should be unquoted (default=C{True})
+        - endQuoteChar - string of one or more characters defining the end of the quote delimited string (default=C{None} => same as quoteChar)
+        - convertWhitespaceEscapes - convert escaped whitespace (C{'\t'}, C{'\n'}, etc.) to actual whitespace (default=C{True})
+
+    Example::
+        qs = QuotedString('"')
+        print(qs.searchString('lsjdf "This is the quote" sldjf'))
+        complex_qs = QuotedString('{{', endQuoteChar='}}')
+        print(complex_qs.searchString('lsjdf {{This is the "quote"}} sldjf'))
+        sql_qs = QuotedString('"', escQuote='""')
+        print(sql_qs.searchString('lsjdf "This is the quote with ""embedded"" quotes" sldjf'))
+    prints::
+        [['This is the quote']]
+        [['This is the "quote"']]
+        [['This is the quote with "embedded" quotes']]
+    """
+    def __init__( self, quoteChar, escChar=None, escQuote=None, multiline=False, unquoteResults=True, endQuoteChar=None, convertWhitespaceEscapes=True):
+        super(QuotedString,self).__init__()
+
+        # remove white space from quote chars - wont work anyway
+        quoteChar = quoteChar.strip()
+        if not quoteChar:
+            warnings.warn("quoteChar cannot be the empty string",SyntaxWarning,stacklevel=2)
+            raise SyntaxError()
+
+        if endQuoteChar is None:
+            endQuoteChar = quoteChar
+        else:
+            endQuoteChar = endQuoteChar.strip()
+            if not endQuoteChar:
+                warnings.warn("endQuoteChar cannot be the empty string",SyntaxWarning,stacklevel=2)
+                raise SyntaxError()
+
+        self.quoteChar = quoteChar
+        self.quoteCharLen = len(quoteChar)
+        self.firstQuoteChar = quoteChar[0]
+        self.endQuoteChar = endQuoteChar
+        self.endQuoteCharLen = len(endQuoteChar)
+        self.escChar = escChar
+        self.escQuote = escQuote
+        self.unquoteResults = unquoteResults
+        self.convertWhitespaceEscapes = convertWhitespaceEscapes
+
+        if multiline:
+            self.flags = re.MULTILINE | re.DOTALL
+            self.pattern = r'%s(?:[^%s%s]' % \
+                ( re.escape(self.quoteChar),
+                  _escapeRegexRangeChars(self.endQuoteChar[0]),
+                  (escChar is not None and _escapeRegexRangeChars(escChar) or '') )
+        else:
+            self.flags = 0
+            self.pattern = r'%s(?:[^%s\n\r%s]' % \
+                ( re.escape(self.quoteChar),
+                  _escapeRegexRangeChars(self.endQuoteChar[0]),
+                  (escChar is not None and _escapeRegexRangeChars(escChar) or '') )
+        if len(self.endQuoteChar) > 1:
+            self.pattern += (
+                '|(?:' + ')|(?:'.join("%s[^%s]" % (re.escape(self.endQuoteChar[:i]),
+                                               _escapeRegexRangeChars(self.endQuoteChar[i]))
+                                    for i in range(len(self.endQuoteChar)-1,0,-1)) + ')'
+                )
+        if escQuote:
+            self.pattern += (r'|(?:%s)' % re.escape(escQuote))
+        if escChar:
+            self.pattern += (r'|(?:%s.)' % re.escape(escChar))
+            self.escCharReplacePattern = re.escape(self.escChar)+"(.)"
+        self.pattern += (r')*%s' % re.escape(self.endQuoteChar))
+
+        try:
+            self.re = re.compile(self.pattern, self.flags)
+            self.reString = self.pattern
+        except sre_constants.error:
+            warnings.warn("invalid pattern (%s) passed to Regex" % self.pattern,
+                SyntaxWarning, stacklevel=2)
+            raise
+
+        self.name = _ustr(self)
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.mayReturnEmpty = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        result = instring[loc] == self.firstQuoteChar and self.re.match(instring,loc) or None
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.group()
+
+        if self.unquoteResults:
+
+            # strip off quotes
+            ret = ret[self.quoteCharLen:-self.endQuoteCharLen]
+
+            if isinstance(ret,basestring):
+                # replace escaped whitespace
+                if '\\' in ret and self.convertWhitespaceEscapes:
+                    ws_map = {
+                        r'\t' : '\t',
+                        r'\n' : '\n',
+                        r'\f' : '\f',
+                        r'\r' : '\r',
+                    }
+                    for wslit,wschar in ws_map.items():
+                        ret = ret.replace(wslit, wschar)
+
+                # replace escaped characters
+                if self.escChar:
+                    ret = re.sub(self.escCharReplacePattern, r"\g<1>", ret)
+
+                # replace escaped quotes
+                if self.escQuote:
+                    ret = ret.replace(self.escQuote, self.endQuoteChar)
+
+        return loc, ret
+
+    def __str__( self ):
+        try:
+            return super(QuotedString,self).__str__()
+        except Exception:
+            pass
+
+        if self.strRepr is None:
+            self.strRepr = "quoted string, starting with %s ending with %s" % (self.quoteChar, self.endQuoteChar)
+
+        return self.strRepr
+
+
+class CharsNotIn(Token):
+    """
+    Token for matching words composed of characters I{not} in a given set (will
+    include whitespace in matched characters if not listed in the provided exclusion set - see example).
+    Defined with string containing all disallowed characters, and an optional
+    minimum, maximum, and/or exact length.  The default value for C{min} is 1 (a
+    minimum value < 1 is not valid); the default values for C{max} and C{exact}
+    are 0, meaning no maximum or exact length restriction.
+
+    Example::
+        # define a comma-separated-value as anything that is not a ','
+        csv_value = CharsNotIn(',')
+        print(delimitedList(csv_value).parseString("dkls,lsdkjf,s12 34,@!#,213"))
+    prints::
+        ['dkls', 'lsdkjf', 's12 34', '@!#', '213']
+    """
+    def __init__( self, notChars, min=1, max=0, exact=0 ):
+        super(CharsNotIn,self).__init__()
+        self.skipWhitespace = False
+        self.notChars = notChars
+
+        if min < 1:
+            raise ValueError("cannot specify a minimum length < 1; use Optional(CharsNotIn()) if zero-length char group is permitted")
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.name = _ustr(self)
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = ( self.minLen == 0 )
+        self.mayIndexError = False
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if instring[loc] in self.notChars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        notchars = self.notChars
+        maxlen = min( start+self.maxLen, len(instring) )
+        while loc < maxlen and \
+              (instring[loc] not in notchars):
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+    def __str__( self ):
+        try:
+            return super(CharsNotIn, self).__str__()
+        except Exception:
+            pass
+
+        if self.strRepr is None:
+            if len(self.notChars) > 4:
+                self.strRepr = "!W:(%s...)" % self.notChars[:4]
+            else:
+                self.strRepr = "!W:(%s)" % self.notChars
+
+        return self.strRepr
+
+class White(Token):
+    """
+    Special matching class for matching whitespace.  Normally, whitespace is ignored
+    by pyparsing grammars.  This class is included when some whitespace structures
+    are significant.  Define with a string containing the whitespace characters to be
+    matched; default is C{" \\t\\r\\n"}.  Also takes optional C{min}, C{max}, and C{exact} arguments,
+    as defined for the C{L{Word}} class.
+    """
+    whiteStrs = {
+        " " : "<SPC>",
+        "\t": "<TAB>",
+        "\n": "<LF>",
+        "\r": "<CR>",
+        "\f": "<FF>",
+        }
+    def __init__(self, ws=" \t\r\n", min=1, max=0, exact=0):
+        super(White,self).__init__()
+        self.matchWhite = ws
+        self.setWhitespaceChars( "".join(c for c in self.whiteChars if c not in self.matchWhite) )
+        #~ self.leaveWhitespace()
+        self.name = ("".join(White.whiteStrs[c] for c in self.matchWhite))
+        self.mayReturnEmpty = True
+        self.errmsg = "Expected " + self.name
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if not(instring[ loc ] in self.matchWhite):
+            raise ParseException(instring, loc, self.errmsg, self)
+        start = loc
+        loc += 1
+        maxloc = start + self.maxLen
+        maxloc = min( maxloc, len(instring) )
+        while loc < maxloc and instring[loc] in self.matchWhite:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class _PositionToken(Token):
+    def __init__( self ):
+        super(_PositionToken,self).__init__()
+        self.name=self.__class__.__name__
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+class GoToColumn(_PositionToken):
+    """
+    Token to advance to a specific column of input text; useful for tabular report scraping.
+    """
+    def __init__( self, colno ):
+        super(GoToColumn,self).__init__()
+        self.col = colno
+
+    def preParse( self, instring, loc ):
+        if col(loc,instring) != self.col:
+            instrlen = len(instring)
+            if self.ignoreExprs:
+                loc = self._skipIgnorables( instring, loc )
+            while loc < instrlen and instring[loc].isspace() and col( loc, instring ) != self.col :
+                loc += 1
+        return loc
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        thiscol = col( loc, instring )
+        if thiscol > self.col:
+            raise ParseException( instring, loc, "Text not in expected column", self )
+        newloc = loc + self.col - thiscol
+        ret = instring[ loc: newloc ]
+        return newloc, ret
+
+
+class LineStart(_PositionToken):
+    """
+    Matches if current position is at the beginning of a line within the parse string
+    
+    Example::
+    
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (LineStart() + 'AAA' + restOfLine).searchString(test):
+            print(t)
+    
+    Prints::
+        ['AAA', ' this line']
+        ['AAA', ' and this line']    
+
+    """
+    def __init__( self ):
+        super(LineStart,self).__init__()
+        self.errmsg = "Expected start of line"
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if col(loc, instring) == 1:
+            return loc, []
+        raise ParseException(instring, loc, self.errmsg, self)
+
+class LineEnd(_PositionToken):
+    """
+    Matches if current position is at the end of a line within the parse string
+    """
+    def __init__( self ):
+        super(LineEnd,self).__init__()
+        self.setWhitespaceChars( ParserElement.DEFAULT_WHITE_CHARS.replace("\n","") )
+        self.errmsg = "Expected end of line"
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if loc<len(instring):
+            if instring[loc] == "\n":
+                return loc+1, "\n"
+            else:
+                raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc+1, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+class StringStart(_PositionToken):
+    """
+    Matches if current position is at the beginning of the parse string
+    """
+    def __init__( self ):
+        super(StringStart,self).__init__()
+        self.errmsg = "Expected start of text"
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if loc != 0:
+            # see if entire string up to here is just whitespace and ignoreables
+            if loc != self.preParse( instring, 0 ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+class StringEnd(_PositionToken):
+    """
+    Matches if current position is at the end of the parse string
+    """
+    def __init__( self ):
+        super(StringEnd,self).__init__()
+        self.errmsg = "Expected end of text"
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if loc < len(instring):
+            raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc+1, []
+        elif loc > len(instring):
+            return loc, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+class WordStart(_PositionToken):
+    """
+    Matches if the current position is at the beginning of a Word, and
+    is not preceded by any character in a given set of C{wordChars}
+    (default=C{printables}). To emulate the C{\b} behavior of regular expressions,
+    use C{WordStart(alphanums)}. C{WordStart} will also match at the beginning of
+    the string being parsed, or at the beginning of a line.
+    """
+    def __init__(self, wordChars = printables):
+        super(WordStart,self).__init__()
+        self.wordChars = set(wordChars)
+        self.errmsg = "Not at the start of a word"
+
+    def parseImpl(self, instring, loc, doActions=True ):
+        if loc != 0:
+            if (instring[loc-1] in self.wordChars or
+                instring[loc] not in self.wordChars):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+class WordEnd(_PositionToken):
+    """
+    Matches if the current position is at the end of a Word, and
+    is not followed by any character in a given set of C{wordChars}
+    (default=C{printables}). To emulate the C{\b} behavior of regular expressions,
+    use C{WordEnd(alphanums)}. C{WordEnd} will also match at the end of
+    the string being parsed, or at the end of a line.
+    """
+    def __init__(self, wordChars = printables):
+        super(WordEnd,self).__init__()
+        self.wordChars = set(wordChars)
+        self.skipWhitespace = False
+        self.errmsg = "Not at the end of a word"
+
+    def parseImpl(self, instring, loc, doActions=True ):
+        instrlen = len(instring)
+        if instrlen>0 and loc<instrlen:
+            if (instring[loc] in self.wordChars or
+                instring[loc-1] not in self.wordChars):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class ParseExpression(ParserElement):
+    """
+    Abstract subclass of ParserElement, for combining and post-processing parsed tokens.
+    """
+    def __init__( self, exprs, savelist = False ):
+        super(ParseExpression,self).__init__(savelist)
+        if isinstance( exprs, _generatorType ):
+            exprs = list(exprs)
+
+        if isinstance( exprs, basestring ):
+            self.exprs = [ ParserElement._literalStringClass( exprs ) ]
+        elif isinstance( exprs, Iterable ):
+            exprs = list(exprs)
+            # if sequence of strings provided, wrap with Literal
+            if all(isinstance(expr, basestring) for expr in exprs):
+                exprs = map(ParserElement._literalStringClass, exprs)
+            self.exprs = list(exprs)
+        else:
+            try:
+                self.exprs = list( exprs )
+            except TypeError:
+                self.exprs = [ exprs ]
+        self.callPreparse = False
+
+    def __getitem__( self, i ):
+        return self.exprs[i]
+
+    def append( self, other ):
+        self.exprs.append( other )
+        self.strRepr = None
+        return self
+
+    def leaveWhitespace( self ):
+        """Extends C{leaveWhitespace} defined in base class, and also invokes C{leaveWhitespace} on
+           all contained expressions."""
+        self.skipWhitespace = False
+        self.exprs = [ e.copy() for e in self.exprs ]
+        for e in self.exprs:
+            e.leaveWhitespace()
+        return self
+
+    def ignore( self, other ):
+        if isinstance( other, Suppress ):
+            if other not in self.ignoreExprs:
+                super( ParseExpression, self).ignore( other )
+                for e in self.exprs:
+                    e.ignore( self.ignoreExprs[-1] )
+        else:
+            super( ParseExpression, self).ignore( other )
+            for e in self.exprs:
+                e.ignore( self.ignoreExprs[-1] )
+        return self
+
+    def __str__( self ):
+        try:
+            return super(ParseExpression,self).__str__()
+        except Exception:
+            pass
+
+        if self.strRepr is None:
+            self.strRepr = "%s:(%s)" % ( self.__class__.__name__, _ustr(self.exprs) )
+        return self.strRepr
+
+    def streamline( self ):
+        super(ParseExpression,self).streamline()
+
+        for e in self.exprs:
+            e.streamline()
+
+        # collapse nested And's of the form And( And( And( a,b), c), d) to And( a,b,c,d )
+        # but only if there are no parse actions or resultsNames on the nested And's
+        # (likewise for Or's and MatchFirst's)
+        if ( len(self.exprs) == 2 ):
+            other = self.exprs[0]
+            if ( isinstance( other, self.__class__ ) and
+                  not(other.parseAction) and
+                  other.resultsName is None and
+                  not other.debug ):
+                self.exprs = other.exprs[:] + [ self.exprs[1] ]
+                self.strRepr = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError  |= other.mayIndexError
+
+            other = self.exprs[-1]
+            if ( isinstance( other, self.__class__ ) and
+                  not(other.parseAction) and
+                  other.resultsName is None and
+                  not other.debug ):
+                self.exprs = self.exprs[:-1] + other.exprs[:]
+                self.strRepr = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError  |= other.mayIndexError
+
+        self.errmsg = "Expected " + _ustr(self)
+        
+        return self
+
+    def setResultsName( self, name, listAllMatches=False ):
+        ret = super(ParseExpression,self).setResultsName(name,listAllMatches)
+        return ret
+
+    def validate( self, validateTrace=[] ):
+        tmp = validateTrace[:]+[self]
+        for e in self.exprs:
+            e.validate(tmp)
+        self.checkRecursion( [] )
+        
+    def copy(self):
+        ret = super(ParseExpression,self).copy()
+        ret.exprs = [e.copy() for e in self.exprs]
+        return ret
+
+class And(ParseExpression):
+    """
+    Requires all given C{ParseExpression}s to be found in the given order.
+    Expressions may be separated by whitespace.
+    May be constructed using the C{'+'} operator.
+    May also be constructed using the C{'-'} operator, which will suppress backtracking.
+
+    Example::
+        integer = Word(nums)
+        name_expr = OneOrMore(Word(alphas))
+
+        expr = And([integer("id"),name_expr("name"),integer("age")])
+        # more easily written as:
+        expr = integer("id") + name_expr("name") + integer("age")
+    """
+
+    class _ErrorStop(Empty):
+        def __init__(self, *args, **kwargs):
+            super(And._ErrorStop,self).__init__(*args, **kwargs)
+            self.name = '-'
+            self.leaveWhitespace()
+
+    def __init__( self, exprs, savelist = True ):
+        super(And,self).__init__(exprs, savelist)
+        self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        self.setWhitespaceChars( self.exprs[0].whiteChars )
+        self.skipWhitespace = self.exprs[0].skipWhitespace
+        self.callPreparse = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        # pass False as last arg to _parse for first element, since we already
+        # pre-parsed the string as part of our And pre-parsing
+        loc, resultlist = self.exprs[0]._parse( instring, loc, doActions, callPreParse=False )
+        errorStop = False
+        for e in self.exprs[1:]:
+            if isinstance(e, And._ErrorStop):
+                errorStop = True
+                continue
+            if errorStop:
+                try:
+                    loc, exprtokens = e._parse( instring, loc, doActions )
+                except ParseSyntaxException:
+                    raise
+                except ParseBaseException as pe:
+                    pe.__traceback__ = None
+                    raise ParseSyntaxException._from_exception(pe)
+                except IndexError:
+                    raise ParseSyntaxException(instring, len(instring), self.errmsg, self)
+            else:
+                loc, exprtokens = e._parse( instring, loc, doActions )
+            if exprtokens or exprtokens.haskeys():
+                resultlist += exprtokens
+        return loc, resultlist
+
+    def __iadd__(self, other ):
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        return self.append( other ) #And( [ self, other ] )
+
+    def checkRecursion( self, parseElementList ):
+        subRecCheckList = parseElementList[:] + [ self ]
+        for e in self.exprs:
+            e.checkRecursion( subRecCheckList )
+            if not e.mayReturnEmpty:
+                break
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "{" + " ".join(_ustr(e) for e in self.exprs) + "}"
+
+        return self.strRepr
+
+
+class Or(ParseExpression):
+    """
+    Requires that at least one C{ParseExpression} is found.
+    If two expressions match, the expression that matches the longest string will be used.
+    May be constructed using the C{'^'} operator.
+
+    Example::
+        # construct Or using '^' operator
+        
+        number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums))
+        print(number.searchString("123 3.1416 789"))
+    prints::
+        [['123'], ['3.1416'], ['789']]
+    """
+    def __init__( self, exprs, savelist = False ):
+        super(Or,self).__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        maxExcLoc = -1
+        maxException = None
+        matches = []
+        for e in self.exprs:
+            try:
+                loc2 = e.tryParse( instring, loc )
+            except ParseException as err:
+                err.__traceback__ = None
+                if err.loc > maxExcLoc:
+                    maxException = err
+                    maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(instring,len(instring),e.errmsg,self)
+                    maxExcLoc = len(instring)
+            else:
+                # save match among all matches, to retry longest to shortest
+                matches.append((loc2, e))
+
+        if matches:
+            matches.sort(key=lambda x: -x[0])
+            for _,e in matches:
+                try:
+                    return e._parse( instring, loc, doActions )
+                except ParseException as err:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+
+        if maxException is not None:
+            maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(instring, loc, "no defined alternatives to match", self)
+
+
+    def __ixor__(self, other ):
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        return self.append( other ) #Or( [ self, other ] )
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "{" + " ^ ".join(_ustr(e) for e in self.exprs) + "}"
+
+        return self.strRepr
+
+    def checkRecursion( self, parseElementList ):
+        subRecCheckList = parseElementList[:] + [ self ]
+        for e in self.exprs:
+            e.checkRecursion( subRecCheckList )
+
+
+class MatchFirst(ParseExpression):
+    """
+    Requires that at least one C{ParseExpression} is found.
+    If two expressions match, the first one listed is the one that will match.
+    May be constructed using the C{'|'} operator.
+
+    Example::
+        # construct MatchFirst using '|' operator
+        
+        # watch the order of expressions to match
+        number = Word(nums) | Combine(Word(nums) + '.' + Word(nums))
+        print(number.searchString("123 3.1416 789")) #  Fail! -> [['123'], ['3'], ['1416'], ['789']]
+
+        # put more selective expression first
+        number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums)
+        print(number.searchString("123 3.1416 789")) #  Better -> [['123'], ['3.1416'], ['789']]
+    """
+    def __init__( self, exprs, savelist = False ):
+        super(MatchFirst,self).__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        maxExcLoc = -1
+        maxException = None
+        for e in self.exprs:
+            try:
+                ret = e._parse( instring, loc, doActions )
+                return ret
+            except ParseException as err:
+                if err.loc > maxExcLoc:
+                    maxException = err
+                    maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(instring,len(instring),e.errmsg,self)
+                    maxExcLoc = len(instring)
+
+        # only got here if no expression matched, raise exception for match that made it the furthest
+        else:
+            if maxException is not None:
+                maxException.msg = self.errmsg
+                raise maxException
+            else:
+                raise ParseException(instring, loc, "no defined alternatives to match", self)
+
+    def __ior__(self, other ):
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass( other )
+        return self.append( other ) #MatchFirst( [ self, other ] )
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "{" + " | ".join(_ustr(e) for e in self.exprs) + "}"
+
+        return self.strRepr
+
+    def checkRecursion( self, parseElementList ):
+        subRecCheckList = parseElementList[:] + [ self ]
+        for e in self.exprs:
+            e.checkRecursion( subRecCheckList )
+
+
+class Each(ParseExpression):
+    """
+    Requires all given C{ParseExpression}s to be found, but in any order.
+    Expressions may be separated by whitespace.
+    May be constructed using the C{'&'} operator.
+
+    Example::
+        color = oneOf("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN")
+        shape_type = oneOf("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON")
+        integer = Word(nums)
+        shape_attr = "shape:" + shape_type("shape")
+        posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn")
+        color_attr = "color:" + color("color")
+        size_attr = "size:" + integer("size")
+
+        # use Each (using operator '&') to accept attributes in any order 
+        # (shape and posn are required, color and size are optional)
+        shape_spec = shape_attr & posn_attr & Optional(color_attr) & Optional(size_attr)
+
+        shape_spec.runTests('''
+            shape: SQUARE color: BLACK posn: 100, 120
+            shape: CIRCLE size: 50 color: BLUE posn: 50,80
+            color:GREEN size:20 shape:TRIANGLE posn:20,40
+            '''
+            )
+    prints::
+        shape: SQUARE color: BLACK posn: 100, 120
+        ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']]
+        - color: BLACK
+        - posn: ['100', ',', '120']
+          - x: 100
+          - y: 120
+        - shape: SQUARE
+
+
+        shape: CIRCLE size: 50 color: BLUE posn: 50,80
+        ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']]
+        - color: BLUE
+        - posn: ['50', ',', '80']
+          - x: 50
+          - y: 80
+        - shape: CIRCLE
+        - size: 50
+
+
+        color: GREEN size: 20 shape: TRIANGLE posn: 20,40
+        ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']]
+        - color: GREEN
+        - posn: ['20', ',', '40']
+          - x: 20
+          - y: 40
+        - shape: TRIANGLE
+        - size: 20
+    """
+    def __init__( self, exprs, savelist = True ):
+        super(Each,self).__init__(exprs, savelist)
+        self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        self.skipWhitespace = True
+        self.initExprGroups = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if self.initExprGroups:
+            self.opt1map = dict((id(e.expr),e) for e in self.exprs if isinstance(e,Optional))
+            opt1 = [ e.expr for e in self.exprs if isinstance(e,Optional) ]
+            opt2 = [ e for e in self.exprs if e.mayReturnEmpty and not isinstance(e,Optional)]
+            self.optionals = opt1 + opt2
+            self.multioptionals = [ e.expr for e in self.exprs if isinstance(e,ZeroOrMore) ]
+            self.multirequired = [ e.expr for e in self.exprs if isinstance(e,OneOrMore) ]
+            self.required = [ e for e in self.exprs if not isinstance(e,(Optional,ZeroOrMore,OneOrMore)) ]
+            self.required += self.multirequired
+            self.initExprGroups = False
+        tmpLoc = loc
+        tmpReqd = self.required[:]
+        tmpOpt  = self.optionals[:]
+        matchOrder = []
+
+        keepMatching = True
+        while keepMatching:
+            tmpExprs = tmpReqd + tmpOpt + self.multioptionals + self.multirequired
+            failed = []
+            for e in tmpExprs:
+                try:
+                    tmpLoc = e.tryParse( instring, tmpLoc )
+                except ParseException:
+                    failed.append(e)
+                else:
+                    matchOrder.append(self.opt1map.get(id(e),e))
+                    if e in tmpReqd:
+                        tmpReqd.remove(e)
+                    elif e in tmpOpt:
+                        tmpOpt.remove(e)
+            if len(failed) == len(tmpExprs):
+                keepMatching = False
+
+        if tmpReqd:
+            missing = ", ".join(_ustr(e) for e in tmpReqd)
+            raise ParseException(instring,loc,"Missing one or more required elements (%s)" % missing )
+
+        # add any unmatched Optionals, in case they have default values defined
+        matchOrder += [e for e in self.exprs if isinstance(e,Optional) and e.expr in tmpOpt]
+
+        resultlist = []
+        for e in matchOrder:
+            loc,results = e._parse(instring,loc,doActions)
+            resultlist.append(results)
+
+        finalResults = sum(resultlist, ParseResults([]))
+        return loc, finalResults
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "{" + " & ".join(_ustr(e) for e in self.exprs) + "}"
+
+        return self.strRepr
+
+    def checkRecursion( self, parseElementList ):
+        subRecCheckList = parseElementList[:] + [ self ]
+        for e in self.exprs:
+            e.checkRecursion( subRecCheckList )
+
+
+class ParseElementEnhance(ParserElement):
+    """
+    Abstract subclass of C{ParserElement}, for combining and post-processing parsed tokens.
+    """
+    def __init__( self, expr, savelist=False ):
+        super(ParseElementEnhance,self).__init__(savelist)
+        if isinstance( expr, basestring ):
+            if issubclass(ParserElement._literalStringClass, Token):
+                expr = ParserElement._literalStringClass(expr)
+            else:
+                expr = ParserElement._literalStringClass(Literal(expr))
+        self.expr = expr
+        self.strRepr = None
+        if expr is not None:
+            self.mayIndexError = expr.mayIndexError
+            self.mayReturnEmpty = expr.mayReturnEmpty
+            self.setWhitespaceChars( expr.whiteChars )
+            self.skipWhitespace = expr.skipWhitespace
+            self.saveAsList = expr.saveAsList
+            self.callPreparse = expr.callPreparse
+            self.ignoreExprs.extend(expr.ignoreExprs)
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if self.expr is not None:
+            return self.expr._parse( instring, loc, doActions, callPreParse=False )
+        else:
+            raise ParseException("",loc,self.errmsg,self)
+
+    def leaveWhitespace( self ):
+        self.skipWhitespace = False
+        self.expr = self.expr.copy()
+        if self.expr is not None:
+            self.expr.leaveWhitespace()
+        return self
+
+    def ignore( self, other ):
+        if isinstance( other, Suppress ):
+            if other not in self.ignoreExprs:
+                super( ParseElementEnhance, self).ignore( other )
+                if self.expr is not None:
+                    self.expr.ignore( self.ignoreExprs[-1] )
+        else:
+            super( ParseElementEnhance, self).ignore( other )
+            if self.expr is not None:
+                self.expr.ignore( self.ignoreExprs[-1] )
+        return self
+
+    def streamline( self ):
+        super(ParseElementEnhance,self).streamline()
+        if self.expr is not None:
+            self.expr.streamline()
+        return self
+
+    def checkRecursion( self, parseElementList ):
+        if self in parseElementList:
+            raise RecursiveGrammarException( parseElementList+[self] )
+        subRecCheckList = parseElementList[:] + [ self ]
+        if self.expr is not None:
+            self.expr.checkRecursion( subRecCheckList )
+
+    def validate( self, validateTrace=[] ):
+        tmp = validateTrace[:]+[self]
+        if self.expr is not None:
+            self.expr.validate(tmp)
+        self.checkRecursion( [] )
+
+    def __str__( self ):
+        try:
+            return super(ParseElementEnhance,self).__str__()
+        except Exception:
+            pass
+
+        if self.strRepr is None and self.expr is not None:
+            self.strRepr = "%s:(%s)" % ( self.__class__.__name__, _ustr(self.expr) )
+        return self.strRepr
+
+
+class FollowedBy(ParseElementEnhance):
+    """
+    Lookahead matching of the given parse expression.  C{FollowedBy}
+    does I{not} advance the parsing position within the input string, it only
+    verifies that the specified parse expression matches at the current
+    position.  C{FollowedBy} always returns a null token list.
+
+    Example::
+        # use FollowedBy to match a label only if it is followed by a ':'
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join))
+        
+        OneOrMore(attr_expr).parseString("shape: SQUARE color: BLACK posn: upper left").pprint()
+    prints::
+        [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']]
+    """
+    def __init__( self, expr ):
+        super(FollowedBy,self).__init__(expr)
+        self.mayReturnEmpty = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        self.expr.tryParse( instring, loc )
+        return loc, []
+
+
+class NotAny(ParseElementEnhance):
+    """
+    Lookahead to disallow matching with the given parse expression.  C{NotAny}
+    does I{not} advance the parsing position within the input string, it only
+    verifies that the specified parse expression does I{not} match at the current
+    position.  Also, C{NotAny} does I{not} skip over leading whitespace. C{NotAny}
+    always returns a null token list.  May be constructed using the '~' operator.
+
+    Example::
+        
+    """
+    def __init__( self, expr ):
+        super(NotAny,self).__init__(expr)
+        #~ self.leaveWhitespace()
+        self.skipWhitespace = False  # do NOT use self.leaveWhitespace(), don't want to propagate to exprs
+        self.mayReturnEmpty = True
+        self.errmsg = "Found unwanted token, "+_ustr(self.expr)
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        if self.expr.canParseNext(instring, loc):
+            raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "~{" + _ustr(self.expr) + "}"
+
+        return self.strRepr
+
+class _MultipleMatch(ParseElementEnhance):
+    def __init__( self, expr, stopOn=None):
+        super(_MultipleMatch, self).__init__(expr)
+        self.saveAsList = True
+        ender = stopOn
+        if isinstance(ender, basestring):
+            ender = ParserElement._literalStringClass(ender)
+        self.not_ender = ~ender if ender is not None else None
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        self_expr_parse = self.expr._parse
+        self_skip_ignorables = self._skipIgnorables
+        check_ender = self.not_ender is not None
+        if check_ender:
+            try_not_ender = self.not_ender.tryParse
+        
+        # must be at least one (but first see if we are the stopOn sentinel;
+        # if so, fail)
+        if check_ender:
+            try_not_ender(instring, loc)
+        loc, tokens = self_expr_parse( instring, loc, doActions, callPreParse=False )
+        try:
+            hasIgnoreExprs = (not not self.ignoreExprs)
+            while 1:
+                if check_ender:
+                    try_not_ender(instring, loc)
+                if hasIgnoreExprs:
+                    preloc = self_skip_ignorables( instring, loc )
+                else:
+                    preloc = loc
+                loc, tmptokens = self_expr_parse( instring, preloc, doActions )
+                if tmptokens or tmptokens.haskeys():
+                    tokens += tmptokens
+        except (ParseException,IndexError):
+            pass
+
+        return loc, tokens
+        
+class OneOrMore(_MultipleMatch):
+    """
+    Repetition of one or more of the given expression.
+    
+    Parameters:
+     - expr - expression that must match one or more times
+     - stopOn - (default=C{None}) - expression for a terminating sentinel
+          (only required if the sentinel would ordinarily match the repetition 
+          expression)          
+
+    Example::
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join))
+
+        text = "shape: SQUARE posn: upper left color: BLACK"
+        OneOrMore(attr_expr).parseString(text).pprint()  # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']]
+
+        # use stopOn attribute for OneOrMore to avoid reading label string as part of the data
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join))
+        OneOrMore(attr_expr).parseString(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']]
+        
+        # could also be written as
+        (attr_expr * (1,)).parseString(text).pprint()
+    """
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "{" + _ustr(self.expr) + "}..."
+
+        return self.strRepr
+
+class ZeroOrMore(_MultipleMatch):
+    """
+    Optional repetition of zero or more of the given expression.
+    
+    Parameters:
+     - expr - expression that must match zero or more times
+     - stopOn - (default=C{None}) - expression for a terminating sentinel
+          (only required if the sentinel would ordinarily match the repetition 
+          expression)          
+
+    Example: similar to L{OneOrMore}
+    """
+    def __init__( self, expr, stopOn=None):
+        super(ZeroOrMore,self).__init__(expr, stopOn=stopOn)
+        self.mayReturnEmpty = True
+        
+    def parseImpl( self, instring, loc, doActions=True ):
+        try:
+            return super(ZeroOrMore, self).parseImpl(instring, loc, doActions)
+        except (ParseException,IndexError):
+            return loc, []
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "[" + _ustr(self.expr) + "]..."
+
+        return self.strRepr
+
+class _NullToken(object):
+    def __bool__(self):
+        return False
+    __nonzero__ = __bool__
+    def __str__(self):
+        return ""
+
+_optionalNotMatched = _NullToken()
+class Optional(ParseElementEnhance):
+    """
+    Optional matching of the given expression.
+
+    Parameters:
+     - expr - expression that must match zero or more times
+     - default (optional) - value to be returned if the optional expression is not found.
+
+    Example::
+        # US postal code can be a 5-digit zip, plus optional 4-digit qualifier
+        zip = Combine(Word(nums, exact=5) + Optional('-' + Word(nums, exact=4)))
+        zip.runTests('''
+            # traditional ZIP code
+            12345
+            
+            # ZIP+4 form
+            12101-0001
+            
+            # invalid ZIP
+            98765-
+            ''')
+    prints::
+        # traditional ZIP code
+        12345
+        ['12345']
+
+        # ZIP+4 form
+        12101-0001
+        ['12101-0001']
+
+        # invalid ZIP
+        98765-
+             ^
+        FAIL: Expected end of text (at char 5), (line:1, col:6)
+    """
+    def __init__( self, expr, default=_optionalNotMatched ):
+        super(Optional,self).__init__( expr, savelist=False )
+        self.saveAsList = self.expr.saveAsList
+        self.defaultValue = default
+        self.mayReturnEmpty = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        try:
+            loc, tokens = self.expr._parse( instring, loc, doActions, callPreParse=False )
+        except (ParseException,IndexError):
+            if self.defaultValue is not _optionalNotMatched:
+                if self.expr.resultsName:
+                    tokens = ParseResults([ self.defaultValue ])
+                    tokens[self.expr.resultsName] = self.defaultValue
+                else:
+                    tokens = [ self.defaultValue ]
+            else:
+                tokens = []
+        return loc, tokens
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+
+        if self.strRepr is None:
+            self.strRepr = "[" + _ustr(self.expr) + "]"
+
+        return self.strRepr
+
+class SkipTo(ParseElementEnhance):
+    """
+    Token for skipping over all undefined text until the matched expression is found.
+
+    Parameters:
+     - expr - target expression marking the end of the data to be skipped
+     - include - (default=C{False}) if True, the target expression is also parsed 
+          (the skipped text and target expression are returned as a 2-element list).
+     - ignore - (default=C{None}) used to define grammars (typically quoted strings and 
+          comments) that might contain false matches to the target expression
+     - failOn - (default=C{None}) define expressions that are not allowed to be 
+          included in the skipped test; if found before the target expression is found, 
+          the SkipTo is not a match
+
+    Example::
+        report = '''
+            Outstanding Issues Report - 1 Jan 2000
+
+               # | Severity | Description                               |  Days Open
+            -----+----------+-------------------------------------------+-----------
+             101 | Critical | Intermittent system crash                 |          6
+              94 | Cosmetic | Spelling error on Login ('log|n')         |         14
+              79 | Minor    | System slow when running too many reports |         47
+            '''
+        integer = Word(nums)
+        SEP = Suppress('|')
+        # use SkipTo to simply match everything up until the next SEP
+        # - ignore quoted strings, so that a '|' character inside a quoted string does not match
+        # - parse action will call token.strip() for each matched token, i.e., the description body
+        string_data = SkipTo(SEP, ignore=quotedString)
+        string_data.setParseAction(tokenMap(str.strip))
+        ticket_expr = (integer("issue_num") + SEP 
+                      + string_data("sev") + SEP 
+                      + string_data("desc") + SEP 
+                      + integer("days_open"))
+        
+        for tkt in ticket_expr.searchString(report):
+            print tkt.dump()
+    prints::
+        ['101', 'Critical', 'Intermittent system crash', '6']
+        - days_open: 6
+        - desc: Intermittent system crash
+        - issue_num: 101
+        - sev: Critical
+        ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14']
+        - days_open: 14
+        - desc: Spelling error on Login ('log|n')
+        - issue_num: 94
+        - sev: Cosmetic
+        ['79', 'Minor', 'System slow when running too many reports', '47']
+        - days_open: 47
+        - desc: System slow when running too many reports
+        - issue_num: 79
+        - sev: Minor
+    """
+    def __init__( self, other, include=False, ignore=None, failOn=None ):
+        super( SkipTo, self ).__init__( other )
+        self.ignoreExpr = ignore
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.includeMatch = include
+        self.asList = False
+        if isinstance(failOn, basestring):
+            self.failOn = ParserElement._literalStringClass(failOn)
+        else:
+            self.failOn = failOn
+        self.errmsg = "No match found for "+_ustr(self.expr)
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        startloc = loc
+        instrlen = len(instring)
+        expr = self.expr
+        expr_parse = self.expr._parse
+        self_failOn_canParseNext = self.failOn.canParseNext if self.failOn is not None else None
+        self_ignoreExpr_tryParse = self.ignoreExpr.tryParse if self.ignoreExpr is not None else None
+        
+        tmploc = loc
+        while tmploc <= instrlen:
+            if self_failOn_canParseNext is not None:
+                # break if failOn expression matches
+                if self_failOn_canParseNext(instring, tmploc):
+                    break
+                    
+            if self_ignoreExpr_tryParse is not None:
+                # advance past ignore expressions
+                while 1:
+                    try:
+                        tmploc = self_ignoreExpr_tryParse(instring, tmploc)
+                    except ParseBaseException:
+                        break
+            
+            try:
+                expr_parse(instring, tmploc, doActions=False, callPreParse=False)
+            except (ParseException, IndexError):
+                # no match, advance loc in string
+                tmploc += 1
+            else:
+                # matched skipto expr, done
+                break
+
+        else:
+            # ran off the end of the input string without matching skipto expr, fail
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        # build up return values
+        loc = tmploc
+        skiptext = instring[startloc:loc]
+        skipresult = ParseResults(skiptext)
+        
+        if self.includeMatch:
+            loc, mat = expr_parse(instring,loc,doActions,callPreParse=False)
+            skipresult += mat
+
+        return loc, skipresult
+
+class Forward(ParseElementEnhance):
+    """
+    Forward declaration of an expression to be defined later -
+    used for recursive grammars, such as algebraic infix notation.
+    When the expression is known, it is assigned to the C{Forward} variable using the '<<' operator.
+
+    Note: take care when assigning to C{Forward} not to overlook precedence of operators.
+    Specifically, '|' has a lower precedence than '<<', so that::
+        fwdExpr << a | b | c
+    will actually be evaluated as::
+        (fwdExpr << a) | b | c
+    thereby leaving b and c out as parseable alternatives.  It is recommended that you
+    explicitly group the values inserted into the C{Forward}::
+        fwdExpr << (a | b | c)
+    Converting to use the '<<=' operator instead will avoid this problem.
+
+    See L{ParseResults.pprint} for an example of a recursive parser created using
+    C{Forward}.
+    """
+    def __init__( self, other=None ):
+        super(Forward,self).__init__( other, savelist=False )
+
+    def __lshift__( self, other ):
+        if isinstance( other, basestring ):
+            other = ParserElement._literalStringClass(other)
+        self.expr = other
+        self.strRepr = None
+        self.mayIndexError = self.expr.mayIndexError
+        self.mayReturnEmpty = self.expr.mayReturnEmpty
+        self.setWhitespaceChars( self.expr.whiteChars )
+        self.skipWhitespace = self.expr.skipWhitespace
+        self.saveAsList = self.expr.saveAsList
+        self.ignoreExprs.extend(self.expr.ignoreExprs)
+        return self
+        
+    def __ilshift__(self, other):
+        return self << other
+    
+    def leaveWhitespace( self ):
+        self.skipWhitespace = False
+        return self
+
+    def streamline( self ):
+        if not self.streamlined:
+            self.streamlined = True
+            if self.expr is not None:
+                self.expr.streamline()
+        return self
+
+    def validate( self, validateTrace=[] ):
+        if self not in validateTrace:
+            tmp = validateTrace[:]+[self]
+            if self.expr is not None:
+                self.expr.validate(tmp)
+        self.checkRecursion([])
+
+    def __str__( self ):
+        if hasattr(self,"name"):
+            return self.name
+        return self.__class__.__name__ + ": ..."
+
+        # stubbed out for now - creates awful memory and perf issues
+        self._revertClass = self.__class__
+        self.__class__ = _ForwardNoRecurse
+        try:
+            if self.expr is not None:
+                retString = _ustr(self.expr)
+            else:
+                retString = "None"
+        finally:
+            self.__class__ = self._revertClass
+        return self.__class__.__name__ + ": " + retString
+
+    def copy(self):
+        if self.expr is not None:
+            return super(Forward,self).copy()
+        else:
+            ret = Forward()
+            ret <<= self
+            return ret
+
+class _ForwardNoRecurse(Forward):
+    def __str__( self ):
+        return "..."
+
+class TokenConverter(ParseElementEnhance):
+    """
+    Abstract subclass of C{ParseExpression}, for converting parsed results.
+    """
+    def __init__( self, expr, savelist=False ):
+        super(TokenConverter,self).__init__( expr )#, savelist )
+        self.saveAsList = False
+
+class Combine(TokenConverter):
+    """
+    Converter to concatenate all matching tokens to a single string.
+    By default, the matching patterns must also be contiguous in the input string;
+    this can be disabled by specifying C{'adjacent=False'} in the constructor.
+
+    Example::
+        real = Word(nums) + '.' + Word(nums)
+        print(real.parseString('3.1416')) # -> ['3', '.', '1416']
+        # will also erroneously match the following
+        print(real.parseString('3. 1416')) # -> ['3', '.', '1416']
+
+        real = Combine(Word(nums) + '.' + Word(nums))
+        print(real.parseString('3.1416')) # -> ['3.1416']
+        # no match when there are internal spaces
+        print(real.parseString('3. 1416')) # -> Exception: Expected W:(0123...)
+    """
+    def __init__( self, expr, joinString="", adjacent=True ):
+        super(Combine,self).__init__( expr )
+        # suppress whitespace-stripping in contained parse expressions, but re-enable it on the Combine itself
+        if adjacent:
+            self.leaveWhitespace()
+        self.adjacent = adjacent
+        self.skipWhitespace = True
+        self.joinString = joinString
+        self.callPreparse = True
+
+    def ignore( self, other ):
+        if self.adjacent:
+            ParserElement.ignore(self, other)
+        else:
+            super( Combine, self).ignore( other )
+        return self
+
+    def postParse( self, instring, loc, tokenlist ):
+        retToks = tokenlist.copy()
+        del retToks[:]
+        retToks += ParseResults([ "".join(tokenlist._asStringList(self.joinString)) ], modal=self.modalResults)
+
+        if self.resultsName and retToks.haskeys():
+            return [ retToks ]
+        else:
+            return retToks
+
+class Group(TokenConverter):
+    """
+    Converter to return the matched tokens as a list - useful for returning tokens of C{L{ZeroOrMore}} and C{L{OneOrMore}} expressions.
+
+    Example::
+        ident = Word(alphas)
+        num = Word(nums)
+        term = ident | num
+        func = ident + Optional(delimitedList(term))
+        print(func.parseString("fn a,b,100"))  # -> ['fn', 'a', 'b', '100']
+
+        func = ident + Group(Optional(delimitedList(term)))
+        print(func.parseString("fn a,b,100"))  # -> ['fn', ['a', 'b', '100']]
+    """
+    def __init__( self, expr ):
+        super(Group,self).__init__( expr )
+        self.saveAsList = True
+
+    def postParse( self, instring, loc, tokenlist ):
+        return [ tokenlist ]
+
+class Dict(TokenConverter):
+    """
+    Converter to return a repetitive expression as a list, but also as a dictionary.
+    Each element can also be referenced using the first token in the expression as its key.
+    Useful for tabular report scraping when the first column can be used as a item key.
+
+    Example::
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join))
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join))
+        
+        # print attributes as plain groups
+        print(OneOrMore(attr_expr).parseString(text).dump())
+        
+        # instead of OneOrMore(expr), parse using Dict(OneOrMore(Group(expr))) - Dict will auto-assign names
+        result = Dict(OneOrMore(Group(attr_expr))).parseString(text)
+        print(result.dump())
+        
+        # access named fields as dict entries, or output as dict
+        print(result['shape'])        
+        print(result.asDict())
+    prints::
+        ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap']
+
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: light blue
+        - posn: upper left
+        - shape: SQUARE
+        - texture: burlap
+        SQUARE
+        {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'}
+    See more examples at L{ParseResults} of accessing fields by results name.
+    """
+    def __init__( self, expr ):
+        super(Dict,self).__init__( expr )
+        self.saveAsList = True
+
+    def postParse( self, instring, loc, tokenlist ):
+        for i,tok in enumerate(tokenlist):
+            if len(tok) == 0:
+                continue
+            ikey = tok[0]
+            if isinstance(ikey,int):
+                ikey = _ustr(tok[0]).strip()
+            if len(tok)==1:
+                tokenlist[ikey] = _ParseResultsWithOffset("",i)
+            elif len(tok)==2 and not isinstance(tok[1],ParseResults):
+                tokenlist[ikey] = _ParseResultsWithOffset(tok[1],i)
+            else:
+                dictvalue = tok.copy() #ParseResults(i)
+                del dictvalue[0]
+                if len(dictvalue)!= 1 or (isinstance(dictvalue,ParseResults) and dictvalue.haskeys()):
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue,i)
+                else:
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue[0],i)
+
+        if self.resultsName:
+            return [ tokenlist ]
+        else:
+            return tokenlist
+
+
+class Suppress(TokenConverter):
+    """
+    Converter for ignoring the results of a parsed expression.
+
+    Example::
+        source = "a, b, c,d"
+        wd = Word(alphas)
+        wd_list1 = wd + ZeroOrMore(',' + wd)
+        print(wd_list1.parseString(source))
+
+        # often, delimiters that are useful during parsing are just in the
+        # way afterward - use Suppress to keep them out of the parsed output
+        wd_list2 = wd + ZeroOrMore(Suppress(',') + wd)
+        print(wd_list2.parseString(source))
+    prints::
+        ['a', ',', 'b', ',', 'c', ',', 'd']
+        ['a', 'b', 'c', 'd']
+    (See also L{delimitedList}.)
+    """
+    def postParse( self, instring, loc, tokenlist ):
+        return []
+
+    def suppress( self ):
+        return self
+
+
+class OnlyOnce(object):
+    """
+    Wrapper for parse actions, to ensure they are only called once.
+    """
+    def __init__(self, methodCall):
+        self.callable = _trim_arity(methodCall)
+        self.called = False
+    def __call__(self,s,l,t):
+        if not self.called:
+            results = self.callable(s,l,t)
+            self.called = True
+            return results
+        raise ParseException(s,l,"")
+    def reset(self):
+        self.called = False
+
+def traceParseAction(f):
+    """
+    Decorator for debugging parse actions. 
+    
+    When the parse action is called, this decorator will print C{">> entering I{method-name}(line:I{current_source_line}, I{parse_location}, I{matched_tokens})".}
+    When the parse action completes, the decorator will print C{"<<"} followed by the returned value, or any exception that the parse action raised.
+
+    Example::
+        wd = Word(alphas)
+
+        @traceParseAction
+        def remove_duplicate_chars(tokens):
+            return ''.join(sorted(set(''.join(tokens))))
+
+        wds = OneOrMore(wd).setParseAction(remove_duplicate_chars)
+        print(wds.parseString("slkdjs sld sldd sdlf sdljf"))
+    prints::
+        >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {}))
+        <<leaving remove_duplicate_chars (ret: 'dfjkls')
+        ['dfjkls']
+    """
+    f = _trim_arity(f)
+    def z(*paArgs):
+        thisFunc = f.__name__
+        s,l,t = paArgs[-3:]
+        if len(paArgs)>3:
+            thisFunc = paArgs[0].__class__.__name__ + '.' + thisFunc
+        sys.stderr.write( ">>entering %s(line: '%s', %d, %r)\n" % (thisFunc,line(l,s),l,t) )
+        try:
+            ret = f(*paArgs)
+        except Exception as exc:
+            sys.stderr.write( "<<leaving %s (exception: %s)\n" % (thisFunc,exc) )
+            raise
+        sys.stderr.write( "<<leaving %s (ret: %r)\n" % (thisFunc,ret) )
+        return ret
+    try:
+        z.__name__ = f.__name__
+    except AttributeError:
+        pass
+    return z
+
+#
+# global helpers
+#
+def delimitedList( expr, delim=",", combine=False ):
+    """
+    Helper to define a delimited list of expressions - the delimiter defaults to ','.
+    By default, the list elements and delimiters can have intervening whitespace, and
+    comments, but this can be overridden by passing C{combine=True} in the constructor.
+    If C{combine} is set to C{True}, the matching tokens are returned as a single token
+    string, with the delimiters included; otherwise, the matching tokens are returned
+    as a list of tokens, with the delimiters suppressed.
+
+    Example::
+        delimitedList(Word(alphas)).parseString("aa,bb,cc") # -> ['aa', 'bb', 'cc']
+        delimitedList(Word(hexnums), delim=':', combine=True).parseString("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE']
+    """
+    dlName = _ustr(expr)+" ["+_ustr(delim)+" "+_ustr(expr)+"]..."
+    if combine:
+        return Combine( expr + ZeroOrMore( delim + expr ) ).setName(dlName)
+    else:
+        return ( expr + ZeroOrMore( Suppress( delim ) + expr ) ).setName(dlName)
+
+def countedArray( expr, intExpr=None ):
+    """
+    Helper to define a counted list of expressions.
+    This helper defines a pattern of the form::
+        integer expr expr expr...
+    where the leading integer tells how many expr expressions follow.
+    The matched tokens returns the array of expr tokens as a list - the leading count token is suppressed.
+    
+    If C{intExpr} is specified, it should be a pyparsing expression that produces an integer value.
+
+    Example::
+        countedArray(Word(alphas)).parseString('2 ab cd ef')  # -> ['ab', 'cd']
+
+        # in this parser, the leading integer value is given in binary,
+        # '10' indicating that 2 values are in the array
+        binaryConstant = Word('01').setParseAction(lambda t: int(t[0], 2))
+        countedArray(Word(alphas), intExpr=binaryConstant).parseString('10 ab cd ef')  # -> ['ab', 'cd']
+    """
+    arrayExpr = Forward()
+    def countFieldParseAction(s,l,t):
+        n = t[0]
+        arrayExpr << (n and Group(And([expr]*n)) or Group(empty))
+        return []
+    if intExpr is None:
+        intExpr = Word(nums).setParseAction(lambda t:int(t[0]))
+    else:
+        intExpr = intExpr.copy()
+    intExpr.setName("arrayLen")
+    intExpr.addParseAction(countFieldParseAction, callDuringTry=True)
+    return ( intExpr + arrayExpr ).setName('(len) ' + _ustr(expr) + '...')
+
+def _flatten(L):
+    ret = []
+    for i in L:
+        if isinstance(i,list):
+            ret.extend(_flatten(i))
+        else:
+            ret.append(i)
+    return ret
+
+def matchPreviousLiteral(expr):
+    """
+    Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks
+    for a 'repeat' of a previous expression.  For example::
+        first = Word(nums)
+        second = matchPreviousLiteral(first)
+        matchExpr = first + ":" + second
+    will match C{"1:1"}, but not C{"1:2"}.  Because this matches a
+    previous literal, will also match the leading C{"1:1"} in C{"1:10"}.
+    If this is not desired, use C{matchPreviousExpr}.
+    Do I{not} use with packrat parsing enabled.
+    """
+    rep = Forward()
+    def copyTokenToRepeater(s,l,t):
+        if t:
+            if len(t) == 1:
+                rep << t[0]
+            else:
+                # flatten t tokens
+                tflat = _flatten(t.asList())
+                rep << And(Literal(tt) for tt in tflat)
+        else:
+            rep << Empty()
+    expr.addParseAction(copyTokenToRepeater, callDuringTry=True)
+    rep.setName('(prev) ' + _ustr(expr))
+    return rep
+
+def matchPreviousExpr(expr):
+    """
+    Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks
+    for a 'repeat' of a previous expression.  For example::
+        first = Word(nums)
+        second = matchPreviousExpr(first)
+        matchExpr = first + ":" + second
+    will match C{"1:1"}, but not C{"1:2"}.  Because this matches by
+    expressions, will I{not} match the leading C{"1:1"} in C{"1:10"};
+    the expressions are evaluated first, and then compared, so
+    C{"1"} is compared with C{"10"}.
+    Do I{not} use with packrat parsing enabled.
+    """
+    rep = Forward()
+    e2 = expr.copy()
+    rep <<= e2
+    def copyTokenToRepeater(s,l,t):
+        matchTokens = _flatten(t.asList())
+        def mustMatchTheseTokens(s,l,t):
+            theseTokens = _flatten(t.asList())
+            if  theseTokens != matchTokens:
+                raise ParseException("",0,"")
+        rep.setParseAction( mustMatchTheseTokens, callDuringTry=True )
+    expr.addParseAction(copyTokenToRepeater, callDuringTry=True)
+    rep.setName('(prev) ' + _ustr(expr))
+    return rep
+
+def _escapeRegexRangeChars(s):
+    #~  escape these chars: ^-]
+    for c in r"\^-]":
+        s = s.replace(c,_bslash+c)
+    s = s.replace("\n",r"\n")
+    s = s.replace("\t",r"\t")
+    return _ustr(s)
+
+def oneOf( strs, caseless=False, useRegex=True ):
+    """
+    Helper to quickly define a set of alternative Literals, and makes sure to do
+    longest-first testing when there is a conflict, regardless of the input order,
+    but returns a C{L{MatchFirst}} for best performance.
+
+    Parameters:
+     - strs - a string of space-delimited literals, or a collection of string literals
+     - caseless - (default=C{False}) - treat all literals as caseless
+     - useRegex - (default=C{True}) - as an optimization, will generate a Regex
+          object; otherwise, will generate a C{MatchFirst} object (if C{caseless=True}, or
+          if creating a C{Regex} raises an exception)
+
+    Example::
+        comp_oper = oneOf("< = > <= >= !=")
+        var = Word(alphas)
+        number = Word(nums)
+        term = var | number
+        comparison_expr = term + comp_oper + term
+        print(comparison_expr.searchString("B = 12  AA=23 B<=AA AA>12"))
+    prints::
+        [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']]
+    """
+    if caseless:
+        isequal = ( lambda a,b: a.upper() == b.upper() )
+        masks = ( lambda a,b: b.upper().startswith(a.upper()) )
+        parseElementClass = CaselessLiteral
+    else:
+        isequal = ( lambda a,b: a == b )
+        masks = ( lambda a,b: b.startswith(a) )
+        parseElementClass = Literal
+
+    symbols = []
+    if isinstance(strs,basestring):
+        symbols = strs.split()
+    elif isinstance(strs, Iterable):
+        symbols = list(strs)
+    else:
+        warnings.warn("Invalid argument to oneOf, expected string or iterable",
+                SyntaxWarning, stacklevel=2)
+    if not symbols:
+        return NoMatch()
+
+    i = 0
+    while i < len(symbols)-1:
+        cur = symbols[i]
+        for j,other in enumerate(symbols[i+1:]):
+            if ( isequal(other, cur) ):
+                del symbols[i+j+1]
+                break
+            elif ( masks(cur, other) ):
+                del symbols[i+j+1]
+                symbols.insert(i,other)
+                cur = other
+                break
+        else:
+            i += 1
+
+    if not caseless and useRegex:
+        #~ print (strs,"->", "|".join( [ _escapeRegexChars(sym) for sym in symbols] ))
+        try:
+            if len(symbols)==len("".join(symbols)):
+                return Regex( "[%s]" % "".join(_escapeRegexRangeChars(sym) for sym in symbols) ).setName(' | '.join(symbols))
+            else:
+                return Regex( "|".join(re.escape(sym) for sym in symbols) ).setName(' | '.join(symbols))
+        except Exception:
+            warnings.warn("Exception creating Regex for oneOf, building MatchFirst",
+                    SyntaxWarning, stacklevel=2)
+
+
+    # last resort, just use MatchFirst
+    return MatchFirst(parseElementClass(sym) for sym in symbols).setName(' | '.join(symbols))
+
+def dictOf( key, value ):
+    """
+    Helper to easily and clearly define a dictionary by specifying the respective patterns
+    for the key and value.  Takes care of defining the C{L{Dict}}, C{L{ZeroOrMore}}, and C{L{Group}} tokens
+    in the proper order.  The key pattern can include delimiting markers or punctuation,
+    as long as they are suppressed, thereby leaving the significant key text.  The value
+    pattern can include named results, so that the C{Dict} results can include named token
+    fields.
+
+    Example::
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join))
+        print(OneOrMore(attr_expr).parseString(text).dump())
+        
+        attr_label = label
+        attr_value = Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)
+
+        # similar to Dict, but simpler call format
+        result = dictOf(attr_label, attr_value).parseString(text)
+        print(result.dump())
+        print(result['shape'])
+        print(result.shape)  # object attribute access works too
+        print(result.asDict())
+    prints::
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: light blue
+        - posn: upper left
+        - shape: SQUARE
+        - texture: burlap
+        SQUARE
+        SQUARE
+        {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'}
+    """
+    return Dict( ZeroOrMore( Group ( key + value ) ) )
+
+def originalTextFor(expr, asString=True):
+    """
+    Helper to return the original, untokenized text for a given expression.  Useful to
+    restore the parsed fields of an HTML start tag into the raw tag text itself, or to
+    revert separate tokens with intervening whitespace back to the original matching
+    input text. By default, returns astring containing the original parsed text.  
+       
+    If the optional C{asString} argument is passed as C{False}, then the return value is a 
+    C{L{ParseResults}} containing any results names that were originally matched, and a 
+    single token containing the original matched text from the input string.  So if 
+    the expression passed to C{L{originalTextFor}} contains expressions with defined
+    results names, you must set C{asString} to C{False} if you want to preserve those
+    results name values.
+
+    Example::
+        src = "this is test <b> bold <i>text</i> </b> normal text "
+        for tag in ("b","i"):
+            opener,closer = makeHTMLTags(tag)
+            patt = originalTextFor(opener + SkipTo(closer) + closer)
+            print(patt.searchString(src)[0])
+    prints::
+        ['<b> bold <i>text</i> </b>']
+        ['<i>text</i>']
+    """
+    locMarker = Empty().setParseAction(lambda s,loc,t: loc)
+    endlocMarker = locMarker.copy()
+    endlocMarker.callPreparse = False
+    matchExpr = locMarker("_original_start") + expr + endlocMarker("_original_end")
+    if asString:
+        extractText = lambda s,l,t: s[t._original_start:t._original_end]
+    else:
+        def extractText(s,l,t):
+            t[:] = [s[t.pop('_original_start'):t.pop('_original_end')]]
+    matchExpr.setParseAction(extractText)
+    matchExpr.ignoreExprs = expr.ignoreExprs
+    return matchExpr
+
+def ungroup(expr): 
+    """
+    Helper to undo pyparsing's default grouping of And expressions, even
+    if all but one are non-empty.
+    """
+    return TokenConverter(expr).setParseAction(lambda t:t[0])
+
+def locatedExpr(expr):
+    """
+    Helper to decorate a returned token with its starting and ending locations in the input string.
+    This helper adds the following results names:
+     - locn_start = location where matched expression begins
+     - locn_end = location where matched expression ends
+     - value = the actual parsed results
+
+    Be careful if the input text contains C{<TAB>} characters, you may want to call
+    C{L{ParserElement.parseWithTabs}}
+
+    Example::
+        wd = Word(alphas)
+        for match in locatedExpr(wd).searchString("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+    prints::
+        [[0, 'ljsdf', 5]]
+        [[8, 'lksdjjf', 15]]
+        [[18, 'lkkjj', 23]]
+    """
+    locator = Empty().setParseAction(lambda s,l,t: l)
+    return Group(locator("locn_start") + expr("value") + locator.copy().leaveWhitespace()("locn_end"))
+
+
+# convenience constants for positional expressions
+empty       = Empty().setName("empty")
+lineStart   = LineStart().setName("lineStart")
+lineEnd     = LineEnd().setName("lineEnd")
+stringStart = StringStart().setName("stringStart")
+stringEnd   = StringEnd().setName("stringEnd")
+
+_escapedPunc = Word( _bslash, r"\[]-*.$+^?()~ ", exact=2 ).setParseAction(lambda s,l,t:t[0][1])
+_escapedHexChar = Regex(r"\\0?[xX][0-9a-fA-F]+").setParseAction(lambda s,l,t:unichr(int(t[0].lstrip(r'\0x'),16)))
+_escapedOctChar = Regex(r"\\0[0-7]+").setParseAction(lambda s,l,t:unichr(int(t[0][1:],8)))
+_singleChar = _escapedPunc | _escapedHexChar | _escapedOctChar | CharsNotIn(r'\]', exact=1)
+_charRange = Group(_singleChar + Suppress("-") + _singleChar)
+_reBracketExpr = Literal("[") + Optional("^").setResultsName("negate") + Group( OneOrMore( _charRange | _singleChar ) ).setResultsName("body") + "]"
+
+def srange(s):
+    r"""
+    Helper to easily define string ranges for use in Word construction.  Borrows
+    syntax from regexp '[]' string range definitions::
+        srange("[0-9]")   -> "0123456789"
+        srange("[a-z]")   -> "abcdefghijklmnopqrstuvwxyz"
+        srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_"
+    The input string must be enclosed in []'s, and the returned string is the expanded
+    character set joined into a single string.
+    The values enclosed in the []'s may be:
+     - a single character
+     - an escaped character with a leading backslash (such as C{\-} or C{\]})
+     - an escaped hex character with a leading C{'\x'} (C{\x21}, which is a C{'!'} character) 
+         (C{\0x##} is also supported for backwards compatibility) 
+     - an escaped octal character with a leading C{'\0'} (C{\041}, which is a C{'!'} character)
+     - a range of any of the above, separated by a dash (C{'a-z'}, etc.)
+     - any combination of the above (C{'aeiouy'}, C{'a-zA-Z0-9_$'}, etc.)
+    """
+    _expanded = lambda p: p if not isinstance(p,ParseResults) else ''.join(unichr(c) for c in range(ord(p[0]),ord(p[1])+1))
+    try:
+        return "".join(_expanded(part) for part in _reBracketExpr.parseString(s).body)
+    except Exception:
+        return ""
+
+def matchOnlyAtCol(n):
+    """
+    Helper method for defining parse actions that require matching at a specific
+    column in the input text.
+    """
+    def verifyCol(strg,locn,toks):
+        if col(locn,strg) != n:
+            raise ParseException(strg,locn,"matched token not at column %d" % n)
+    return verifyCol
+
+def replaceWith(replStr):
+    """
+    Helper method for common parse actions that simply return a literal value.  Especially
+    useful when used with C{L{transformString<ParserElement.transformString>}()}.
+
+    Example::
+        num = Word(nums).setParseAction(lambda toks: int(toks[0]))
+        na = oneOf("N/A NA").setParseAction(replaceWith(math.nan))
+        term = na | num
+        
+        OneOrMore(term).parseString("324 234 N/A 234") # -> [324, 234, nan, 234]
+    """
+    return lambda s,l,t: [replStr]
+
+def removeQuotes(s,l,t):
+    """
+    Helper parse action for removing quotation marks from parsed quoted strings.
+
+    Example::
+        # by default, quotation marks are included in parsed results
+        quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"]
+
+        # use removeQuotes to strip quotation marks from parsed results
+        quotedString.setParseAction(removeQuotes)
+        quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"]
+    """
+    return t[0][1:-1]
+
+def tokenMap(func, *args):
+    """
+    Helper to define a parse action by mapping a function to all elements of a ParseResults list.If any additional 
+    args are passed, they are forwarded to the given function as additional arguments after
+    the token, as in C{hex_integer = Word(hexnums).setParseAction(tokenMap(int, 16))}, which will convert the
+    parsed data to an integer using base 16.
+
+    Example (compare the last to example in L{ParserElement.transformString}::
+        hex_ints = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16))
+        hex_ints.runTests('''
+            00 11 22 aa FF 0a 0d 1a
+            ''')
+        
+        upperword = Word(alphas).setParseAction(tokenMap(str.upper))
+        OneOrMore(upperword).runTests('''
+            my kingdom for a horse
+            ''')
+
+        wd = Word(alphas).setParseAction(tokenMap(str.title))
+        OneOrMore(wd).setParseAction(' '.join).runTests('''
+            now is the winter of our discontent made glorious summer by this sun of york
+            ''')
+    prints::
+        00 11 22 aa FF 0a 0d 1a
+        [0, 17, 34, 170, 255, 10, 13, 26]
+
+        my kingdom for a horse
+        ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE']
+
+        now is the winter of our discontent made glorious summer by this sun of york
+        ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York']
+    """
+    def pa(s,l,t):
+        return [func(tokn, *args) for tokn in t]
+
+    try:
+        func_name = getattr(func, '__name__', 
+                            getattr(func, '__class__').__name__)
+    except Exception:
+        func_name = str(func)
+    pa.__name__ = func_name
+
+    return pa
+
+upcaseTokens = tokenMap(lambda t: _ustr(t).upper())
+"""(Deprecated) Helper parse action to convert tokens to upper case. Deprecated in favor of L{pyparsing_common.upcaseTokens}"""
+
+downcaseTokens = tokenMap(lambda t: _ustr(t).lower())
+"""(Deprecated) Helper parse action to convert tokens to lower case. Deprecated in favor of L{pyparsing_common.downcaseTokens}"""
+    
+def _makeTags(tagStr, xml):
+    """Internal helper to construct opening and closing tag expressions, given a tag name"""
+    if isinstance(tagStr,basestring):
+        resname = tagStr
+        tagStr = Keyword(tagStr, caseless=not xml)
+    else:
+        resname = tagStr.name
+
+    tagAttrName = Word(alphas,alphanums+"_-:")
+    if (xml):
+        tagAttrValue = dblQuotedString.copy().setParseAction( removeQuotes )
+        openTag = Suppress("<") + tagStr("tag") + \
+                Dict(ZeroOrMore(Group( tagAttrName + Suppress("=") + tagAttrValue ))) + \
+                Optional("/",default=[False]).setResultsName("empty").setParseAction(lambda s,l,t:t[0]=='/') + Suppress(">")
+    else:
+        printablesLessRAbrack = "".join(c for c in printables if c not in ">")
+        tagAttrValue = quotedString.copy().setParseAction( removeQuotes ) | Word(printablesLessRAbrack)
+        openTag = Suppress("<") + tagStr("tag") + \
+                Dict(ZeroOrMore(Group( tagAttrName.setParseAction(downcaseTokens) + \
+                Optional( Suppress("=") + tagAttrValue ) ))) + \
+                Optional("/",default=[False]).setResultsName("empty").setParseAction(lambda s,l,t:t[0]=='/') + Suppress(">")
+    closeTag = Combine(_L("</") + tagStr + ">")
+
+    openTag = openTag.setResultsName("start"+"".join(resname.replace(":"," ").title().split())).setName("<%s>" % resname)
+    closeTag = closeTag.setResultsName("end"+"".join(resname.replace(":"," ").title().split())).setName("</%s>" % resname)
+    openTag.tag = resname
+    closeTag.tag = resname
+    return openTag, closeTag
+
+def makeHTMLTags(tagStr):
+    """
+    Helper to construct opening and closing tag expressions for HTML, given a tag name. Matches
+    tags in either upper or lower case, attributes with namespaces and with quoted or unquoted values.
+
+    Example::
+        text = '<td>More info at the <a href="http://pyparsing.wikispaces.com">pyparsing</a> wiki page</td>'
+        # makeHTMLTags returns pyparsing expressions for the opening and closing tags as a 2-tuple
+        a,a_end = makeHTMLTags("A")
+        link_expr = a + SkipTo(a_end)("link_text") + a_end
+        
+        for link in link_expr.searchString(text):
+            # attributes in the <A> tag (like "href" shown here) are also accessible as named results
+            print(link.link_text, '->', link.href)
+    prints::
+        pyparsing -> http://pyparsing.wikispaces.com
+    """
+    return _makeTags( tagStr, False )
+
+def makeXMLTags(tagStr):
+    """
+    Helper to construct opening and closing tag expressions for XML, given a tag name. Matches
+    tags only in the given upper/lower case.
+
+    Example: similar to L{makeHTMLTags}
+    """
+    return _makeTags( tagStr, True )
+
+def withAttribute(*args,**attrDict):
+    """
+    Helper to create a validating parse action to be used with start tags created
+    with C{L{makeXMLTags}} or C{L{makeHTMLTags}}. Use C{withAttribute} to qualify a starting tag
+    with a required attribute value, to avoid false matches on common tags such as
+    C{<TD>} or C{<DIV>}.
+
+    Call C{withAttribute} with a series of attribute names and values. Specify the list
+    of filter attributes names and values as:
+     - keyword arguments, as in C{(align="right")}, or
+     - as an explicit dict with C{**} operator, when an attribute name is also a Python
+          reserved word, as in C{**{"class":"Customer", "align":"right"}}
+     - a list of name-value tuples, as in ( ("ns1:class", "Customer"), ("ns2:align","right") )
+    For attribute names with a namespace prefix, you must use the second form.  Attribute
+    names are matched insensitive to upper/lower case.
+       
+    If just testing for C{class} (with or without a namespace), use C{L{withClass}}.
+
+    To verify that the attribute exists, but without specifying a value, pass
+    C{withAttribute.ANY_VALUE} as the value.
+
+    Example::
+        html = '''
+            <div>
+            Some text
+            <div type="grid">1 4 0 1 0</div>
+            <div type="graph">1,3 2,3 1,1</div>
+            <div>this has no type</div>
+            </div>
+                
+        '''
+        div,div_end = makeHTMLTags("div")
+
+        # only match div tag having a type attribute with value "grid"
+        div_grid = div().setParseAction(withAttribute(type="grid"))
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.searchString(html):
+            print(grid_header.body)
+        
+        # construct a match with any div tag having a type attribute, regardless of the value
+        div_any_type = div().setParseAction(withAttribute(type=withAttribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.searchString(html):
+            print(div_header.body)
+    prints::
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    if args:
+        attrs = args[:]
+    else:
+        attrs = attrDict.items()
+    attrs = [(k,v) for k,v in attrs]
+    def pa(s,l,tokens):
+        for attrName,attrValue in attrs:
+            if attrName not in tokens:
+                raise ParseException(s,l,"no matching attribute " + attrName)
+            if attrValue != withAttribute.ANY_VALUE and tokens[attrName] != attrValue:
+                raise ParseException(s,l,"attribute '%s' has value '%s', must be '%s'" %
+                                            (attrName, tokens[attrName], attrValue))
+    return pa
+withAttribute.ANY_VALUE = object()
+
+def withClass(classname, namespace=''):
+    """
+    Simplified version of C{L{withAttribute}} when matching on a div class - made
+    difficult because C{class} is a reserved word in Python.
+
+    Example::
+        html = '''
+            <div>
+            Some text
+            <div class="grid">1 4 0 1 0</div>
+            <div class="graph">1,3 2,3 1,1</div>
+            <div>this &lt;div&gt; has no class</div>
+            </div>
+                
+        '''
+        div,div_end = makeHTMLTags("div")
+        div_grid = div().setParseAction(withClass("grid"))
+        
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.searchString(html):
+            print(grid_header.body)
+        
+        div_any_type = div().setParseAction(withClass(withAttribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.searchString(html):
+            print(div_header.body)
+    prints::
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    classattr = "%s:class" % namespace if namespace else "class"
+    return withAttribute(**{classattr : classname})        
+
+opAssoc = _Constants()
+opAssoc.LEFT = object()
+opAssoc.RIGHT = object()
+
+def infixNotation( baseExpr, opList, lpar=Suppress('('), rpar=Suppress(')') ):
+    """
+    Helper method for constructing grammars of expressions made up of
+    operators working in a precedence hierarchy.  Operators may be unary or
+    binary, left- or right-associative.  Parse actions can also be attached
+    to operator expressions. The generated parser will also recognize the use 
+    of parentheses to override operator precedences (see example below).
+    
+    Note: if you define a deep operator list, you may see performance issues
+    when using infixNotation. See L{ParserElement.enablePackrat} for a
+    mechanism to potentially improve your parser performance.
+
+    Parameters:
+     - baseExpr - expression representing the most basic element for the nested
+     - opList - list of tuples, one for each operator precedence level in the
+      expression grammar; each tuple is of the form
+      (opExpr, numTerms, rightLeftAssoc, parseAction), where:
+       - opExpr is the pyparsing expression for the operator;
+          may also be a string, which will be converted to a Literal;
+          if numTerms is 3, opExpr is a tuple of two expressions, for the
+          two operators separating the 3 terms
+       - numTerms is the number of terms for this operator (must
+          be 1, 2, or 3)
+       - rightLeftAssoc is the indicator whether the operator is
+          right or left associative, using the pyparsing-defined
+          constants C{opAssoc.RIGHT} and C{opAssoc.LEFT}.
+       - parseAction is the parse action to be associated with
+          expressions matching this operator expression (the
+          parse action tuple member may be omitted); if the parse action
+          is passed a tuple or list of functions, this is equivalent to
+          calling C{setParseAction(*fn)} (L{ParserElement.setParseAction})
+     - lpar - expression for matching left-parentheses (default=C{Suppress('(')})
+     - rpar - expression for matching right-parentheses (default=C{Suppress(')')})
+
+    Example::
+        # simple example of four-function arithmetic with ints and variable names
+        integer = pyparsing_common.signed_integer
+        varname = pyparsing_common.identifier 
+        
+        arith_expr = infixNotation(integer | varname,
+            [
+            ('-', 1, opAssoc.RIGHT),
+            (oneOf('* /'), 2, opAssoc.LEFT),
+            (oneOf('+ -'), 2, opAssoc.LEFT),
+            ])
+        
+        arith_expr.runTests('''
+            5+3*6
+            (5+3)*6
+            -2--11
+            ''', fullDump=False)
+    prints::
+        5+3*6
+        [[5, '+', [3, '*', 6]]]
+
+        (5+3)*6
+        [[[5, '+', 3], '*', 6]]
+
+        -2--11
+        [[['-', 2], '-', ['-', 11]]]
+    """
+    ret = Forward()
+    lastExpr = baseExpr | ( lpar + ret + rpar )
+    for i,operDef in enumerate(opList):
+        opExpr,arity,rightLeftAssoc,pa = (operDef + (None,))[:4]
+        termName = "%s term" % opExpr if arity < 3 else "%s%s term" % opExpr
+        if arity == 3:
+            if opExpr is None or len(opExpr) != 2:
+                raise ValueError("if numterms=3, opExpr must be a tuple or list of two expressions")
+            opExpr1, opExpr2 = opExpr
+        thisExpr = Forward().setName(termName)
+        if rightLeftAssoc == opAssoc.LEFT:
+            if arity == 1:
+                matchExpr = FollowedBy(lastExpr + opExpr) + Group( lastExpr + OneOrMore( opExpr ) )
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = FollowedBy(lastExpr + opExpr + lastExpr) + Group( lastExpr + OneOrMore( opExpr + lastExpr ) )
+                else:
+                    matchExpr = FollowedBy(lastExpr+lastExpr) + Group( lastExpr + OneOrMore(lastExpr) )
+            elif arity == 3:
+                matchExpr = FollowedBy(lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr) + \
+                            Group( lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr )
+            else:
+                raise ValueError("operator must be unary (1), binary (2), or ternary (3)")
+        elif rightLeftAssoc == opAssoc.RIGHT:
+            if arity == 1:
+                # try to avoid LR with this extra test
+                if not isinstance(opExpr, Optional):
+                    opExpr = Optional(opExpr)
+                matchExpr = FollowedBy(opExpr.expr + thisExpr) + Group( opExpr + thisExpr )
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = FollowedBy(lastExpr + opExpr + thisExpr) + Group( lastExpr + OneOrMore( opExpr + thisExpr ) )
+                else:
+                    matchExpr = FollowedBy(lastExpr + thisExpr) + Group( lastExpr + OneOrMore( thisExpr ) )
+            elif arity == 3:
+                matchExpr = FollowedBy(lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr) + \
+                            Group( lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr )
+            else:
+                raise ValueError("operator must be unary (1), binary (2), or ternary (3)")
+        else:
+            raise ValueError("operator must indicate right or left associativity")
+        if pa:
+            if isinstance(pa, (tuple, list)):
+                matchExpr.setParseAction(*pa)
+            else:
+                matchExpr.setParseAction(pa)
+        thisExpr <<= ( matchExpr.setName(termName) | lastExpr )
+        lastExpr = thisExpr
+    ret <<= lastExpr
+    return ret
+
+operatorPrecedence = infixNotation
+"""(Deprecated) Former name of C{L{infixNotation}}, will be dropped in a future release."""
+
+dblQuotedString = Combine(Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*')+'"').setName("string enclosed in double quotes")
+sglQuotedString = Combine(Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*")+"'").setName("string enclosed in single quotes")
+quotedString = Combine(Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*')+'"'|
+                       Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*")+"'").setName("quotedString using single or double quotes")
+unicodeString = Combine(_L('u') + quotedString.copy()).setName("unicode string literal")
+
+def nestedExpr(opener="(", closer=")", content=None, ignoreExpr=quotedString.copy()):
+    """
+    Helper method for defining nested lists enclosed in opening and closing
+    delimiters ("(" and ")" are the default).
+
+    Parameters:
+     - opener - opening character for a nested list (default=C{"("}); can also be a pyparsing expression
+     - closer - closing character for a nested list (default=C{")"}); can also be a pyparsing expression
+     - content - expression for items within the nested lists (default=C{None})
+     - ignoreExpr - expression for ignoring opening and closing delimiters (default=C{quotedString})
+
+    If an expression is not provided for the content argument, the nested
+    expression will capture all whitespace-delimited content between delimiters
+    as a list of separate values.
+
+    Use the C{ignoreExpr} argument to define expressions that may contain
+    opening or closing characters that should not be treated as opening
+    or closing characters for nesting, such as quotedString or a comment
+    expression.  Specify multiple expressions using an C{L{Or}} or C{L{MatchFirst}}.
+    The default is L{quotedString}, but if no expressions are to be ignored,
+    then pass C{None} for this argument.
+
+    Example::
+        data_type = oneOf("void int short long char float double")
+        decl_data_type = Combine(data_type + Optional(Word('*')))
+        ident = Word(alphas+'_', alphanums+'_')
+        number = pyparsing_common.number
+        arg = Group(decl_data_type + ident)
+        LPAR,RPAR = map(Suppress, "()")
+
+        code_body = nestedExpr('{', '}', ignoreExpr=(quotedString | cStyleComment))
+
+        c_function = (decl_data_type("type") 
+                      + ident("name")
+                      + LPAR + Optional(delimitedList(arg), [])("args") + RPAR 
+                      + code_body("body"))
+        c_function.ignore(cStyleComment)
+        
+        source_code = '''
+            int is_odd(int x) { 
+                return (x%2); 
+            }
+                
+            int dec_to_hex(char hchar) { 
+                if (hchar >= '0' && hchar <= '9') { 
+                    return (ord(hchar)-ord('0')); 
+                } else { 
+                    return (10+ord(hchar)-ord('A'));
+                } 
+            }
+        '''
+        for func in c_function.searchString(source_code):
+            print("%(name)s (%(type)s) args: %(args)s" % func)
+
+    prints::
+        is_odd (int) args: [['int', 'x']]
+        dec_to_hex (int) args: [['char', 'hchar']]
+    """
+    if opener == closer:
+        raise ValueError("opening and closing strings cannot be the same")
+    if content is None:
+        if isinstance(opener,basestring) and isinstance(closer,basestring):
+            if len(opener) == 1 and len(closer)==1:
+                if ignoreExpr is not None:
+                    content = (Combine(OneOrMore(~ignoreExpr +
+                                    CharsNotIn(opener+closer+ParserElement.DEFAULT_WHITE_CHARS,exact=1))
+                                ).setParseAction(lambda t:t[0].strip()))
+                else:
+                    content = (empty.copy()+CharsNotIn(opener+closer+ParserElement.DEFAULT_WHITE_CHARS
+                                ).setParseAction(lambda t:t[0].strip()))
+            else:
+                if ignoreExpr is not None:
+                    content = (Combine(OneOrMore(~ignoreExpr + 
+                                    ~Literal(opener) + ~Literal(closer) +
+                                    CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS,exact=1))
+                                ).setParseAction(lambda t:t[0].strip()))
+                else:
+                    content = (Combine(OneOrMore(~Literal(opener) + ~Literal(closer) +
+                                    CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS,exact=1))
+                                ).setParseAction(lambda t:t[0].strip()))
+        else:
+            raise ValueError("opening and closing arguments must be strings if no content expression is given")
+    ret = Forward()
+    if ignoreExpr is not None:
+        ret <<= Group( Suppress(opener) + ZeroOrMore( ignoreExpr | ret | content ) + Suppress(closer) )
+    else:
+        ret <<= Group( Suppress(opener) + ZeroOrMore( ret | content )  + Suppress(closer) )
+    ret.setName('nested %s%s expression' % (opener,closer))
+    return ret
+
+def indentedBlock(blockStatementExpr, indentStack, indent=True):
+    """
+    Helper method for defining space-delimited indentation blocks, such as
+    those used to define block statements in Python source code.
+
+    Parameters:
+     - blockStatementExpr - expression defining syntax of statement that
+            is repeated within the indented block
+     - indentStack - list created by caller to manage indentation stack
+            (multiple statementWithIndentedBlock expressions within a single grammar
+            should share a common indentStack)
+     - indent - boolean indicating whether block must be indented beyond the
+            the current level; set to False for block of left-most statements
+            (default=C{True})
+
+    A valid block must contain at least one C{blockStatement}.
+
+    Example::
+        data = '''
+        def A(z):
+          A1
+          B = 100
+          G = A2
+          A2
+          A3
+        B
+        def BB(a,b,c):
+          BB1
+          def BBA():
+            bba1
+            bba2
+            bba3
+        C
+        D
+        def spam(x,y):
+             def eggs(z):
+                 pass
+        '''
+
+
+        indentStack = [1]
+        stmt = Forward()
+
+        identifier = Word(alphas, alphanums)
+        funcDecl = ("def" + identifier + Group( "(" + Optional( delimitedList(identifier) ) + ")" ) + ":")
+        func_body = indentedBlock(stmt, indentStack)
+        funcDef = Group( funcDecl + func_body )
+
+        rvalue = Forward()
+        funcCall = Group(identifier + "(" + Optional(delimitedList(rvalue)) + ")")
+        rvalue << (funcCall | identifier | Word(nums))
+        assignment = Group(identifier + "=" + rvalue)
+        stmt << ( funcDef | assignment | identifier )
+
+        module_body = OneOrMore(stmt)
+
+        parseTree = module_body.parseString(data)
+        parseTree.pprint()
+    prints::
+        [['def',
+          'A',
+          ['(', 'z', ')'],
+          ':',
+          [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]],
+         'B',
+         ['def',
+          'BB',
+          ['(', 'a', 'b', 'c', ')'],
+          ':',
+          [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]],
+         'C',
+         'D',
+         ['def',
+          'spam',
+          ['(', 'x', 'y', ')'],
+          ':',
+          [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]] 
+    """
+    def checkPeerIndent(s,l,t):
+        if l >= len(s): return
+        curCol = col(l,s)
+        if curCol != indentStack[-1]:
+            if curCol > indentStack[-1]:
+                raise ParseFatalException(s,l,"illegal nesting")
+            raise ParseException(s,l,"not a peer entry")
+
+    def checkSubIndent(s,l,t):
+        curCol = col(l,s)
+        if curCol > indentStack[-1]:
+            indentStack.append( curCol )
+        else:
+            raise ParseException(s,l,"not a subentry")
+
+    def checkUnindent(s,l,t):
+        if l >= len(s): return
+        curCol = col(l,s)
+        if not(indentStack and curCol < indentStack[-1] and curCol <= indentStack[-2]):
+            raise ParseException(s,l,"not an unindent")
+        indentStack.pop()
+
+    NL = OneOrMore(LineEnd().setWhitespaceChars("\t ").suppress())
+    INDENT = (Empty() + Empty().setParseAction(checkSubIndent)).setName('INDENT')
+    PEER   = Empty().setParseAction(checkPeerIndent).setName('')
+    UNDENT = Empty().setParseAction(checkUnindent).setName('UNINDENT')
+    if indent:
+        smExpr = Group( Optional(NL) +
+            #~ FollowedBy(blockStatementExpr) +
+            INDENT + (OneOrMore( PEER + Group(blockStatementExpr) + Optional(NL) )) + UNDENT)
+    else:
+        smExpr = Group( Optional(NL) +
+            (OneOrMore( PEER + Group(blockStatementExpr) + Optional(NL) )) )
+    blockStatementExpr.ignore(_bslash + LineEnd())
+    return smExpr.setName('indented block')
+
+alphas8bit = srange(r"[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]")
+punc8bit = srange(r"[\0xa1-\0xbf\0xd7\0xf7]")
+
+anyOpenTag,anyCloseTag = makeHTMLTags(Word(alphas,alphanums+"_:").setName('any tag'))
+_htmlEntityMap = dict(zip("gt lt amp nbsp quot apos".split(),'><& "\''))
+commonHTMLEntity = Regex('&(?P<entity>' + '|'.join(_htmlEntityMap.keys()) +");").setName("common HTML entity")
+def replaceHTMLEntity(t):
+    """Helper parser action to replace common HTML entities with their special characters"""
+    return _htmlEntityMap.get(t.entity)
+
+# it's easy to get these comment structures wrong - they're very common, so may as well make them available
+cStyleComment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + '*/').setName("C style comment")
+"Comment of the form C{/* ... */}"
+
+htmlComment = Regex(r"<!--[\s\S]*?-->").setName("HTML comment")
+"Comment of the form C{<!-- ... -->}"
+
+restOfLine = Regex(r".*").leaveWhitespace().setName("rest of line")
+dblSlashComment = Regex(r"//(?:\\\n|[^\n])*").setName("// comment")
+"Comment of the form C{// ... (to end of line)}"
+
+cppStyleComment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + '*/'| dblSlashComment).setName("C++ style comment")
+"Comment of either form C{L{cStyleComment}} or C{L{dblSlashComment}}"
+
+javaStyleComment = cppStyleComment
+"Same as C{L{cppStyleComment}}"
+
+pythonStyleComment = Regex(r"#.*").setName("Python style comment")
+"Comment of the form C{# ... (to end of line)}"
+
+_commasepitem = Combine(OneOrMore(Word(printables, excludeChars=',') +
+                                  Optional( Word(" \t") +
+                                            ~Literal(",") + ~LineEnd() ) ) ).streamline().setName("commaItem")
+commaSeparatedList = delimitedList( Optional( quotedString.copy() | _commasepitem, default="") ).setName("commaSeparatedList")
+"""(Deprecated) Predefined expression of 1 or more printable words or quoted strings, separated by commas.
+   This expression is deprecated in favor of L{pyparsing_common.comma_separated_list}."""
+
+# some other useful expressions - using lower-case class name since we are really using this as a namespace
+class pyparsing_common:
+    """
+    Here are some common low-level expressions that may be useful in jump-starting parser development:
+     - numeric forms (L{integers<integer>}, L{reals<real>}, L{scientific notation<sci_real>})
+     - common L{programming identifiers<identifier>}
+     - network addresses (L{MAC<mac_address>}, L{IPv4<ipv4_address>}, L{IPv6<ipv6_address>})
+     - ISO8601 L{dates<iso8601_date>} and L{datetime<iso8601_datetime>}
+     - L{UUID<uuid>}
+     - L{comma-separated list<comma_separated_list>}
+    Parse actions:
+     - C{L{convertToInteger}}
+     - C{L{convertToFloat}}
+     - C{L{convertToDate}}
+     - C{L{convertToDatetime}}
+     - C{L{stripHTMLTags}}
+     - C{L{upcaseTokens}}
+     - C{L{downcaseTokens}}
+
+    Example::
+        pyparsing_common.number.runTests('''
+            # any int or real number, returned as the appropriate type
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.fnumber.runTests('''
+            # any int or real number, returned as float
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.hex_integer.runTests('''
+            # hex numbers
+            100
+            FF
+            ''')
+
+        pyparsing_common.fraction.runTests('''
+            # fractions
+            1/2
+            -3/4
+            ''')
+
+        pyparsing_common.mixed_integer.runTests('''
+            # mixed fractions
+            1
+            1/2
+            -3/4
+            1-3/4
+            ''')
+
+        import uuid
+        pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID))
+        pyparsing_common.uuid.runTests('''
+            # uuid
+            12345678-1234-5678-1234-567812345678
+            ''')
+    prints::
+        # any int or real number, returned as the appropriate type
+        100
+        [100]
+
+        -100
+        [-100]
+
+        +100
+        [100]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # any int or real number, returned as float
+        100
+        [100.0]
+
+        -100
+        [-100.0]
+
+        +100
+        [100.0]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # hex numbers
+        100
+        [256]
+
+        FF
+        [255]
+
+        # fractions
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        # mixed fractions
+        1
+        [1]
+
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        1-3/4
+        [1.75]
+
+        # uuid
+        12345678-1234-5678-1234-567812345678
+        [UUID('12345678-1234-5678-1234-567812345678')]
+    """
+
+    convertToInteger = tokenMap(int)
+    """
+    Parse action for converting parsed integers to Python int
+    """
+
+    convertToFloat = tokenMap(float)
+    """
+    Parse action for converting parsed numbers to Python float
+    """
+
+    integer = Word(nums).setName("integer").setParseAction(convertToInteger)
+    """expression that parses an unsigned integer, returns an int"""
+
+    hex_integer = Word(hexnums).setName("hex integer").setParseAction(tokenMap(int,16))
+    """expression that parses a hexadecimal integer, returns an int"""
+
+    signed_integer = Regex(r'[+-]?\d+').setName("signed integer").setParseAction(convertToInteger)
+    """expression that parses an integer with optional leading sign, returns an int"""
+
+    fraction = (signed_integer().setParseAction(convertToFloat) + '/' + signed_integer().setParseAction(convertToFloat)).setName("fraction")
+    """fractional expression of an integer divided by an integer, returns a float"""
+    fraction.addParseAction(lambda t: t[0]/t[-1])
+
+    mixed_integer = (fraction | signed_integer + Optional(Optional('-').suppress() + fraction)).setName("fraction or mixed integer-fraction")
+    """mixed integer of the form 'integer - fraction', with optional leading integer, returns float"""
+    mixed_integer.addParseAction(sum)
+
+    real = Regex(r'[+-]?\d+\.\d*').setName("real number").setParseAction(convertToFloat)
+    """expression that parses a floating point number and returns a float"""
+
+    sci_real = Regex(r'[+-]?\d+([eE][+-]?\d+|\.\d*([eE][+-]?\d+)?)').setName("real number with scientific notation").setParseAction(convertToFloat)
+    """expression that parses a floating point number with optional scientific notation and returns a float"""
+
+    # streamlining this expression makes the docs nicer-looking
+    number = (sci_real | real | signed_integer).streamline()
+    """any numeric expression, returns the corresponding Python type"""
+
+    fnumber = Regex(r'[+-]?\d+\.?\d*([eE][+-]?\d+)?').setName("fnumber").setParseAction(convertToFloat)
+    """any int or real number, returned as float"""
+    
+    identifier = Word(alphas+'_', alphanums+'_').setName("identifier")
+    """typical code identifier (leading alpha or '_', followed by 0 or more alphas, nums, or '_')"""
+    
+    ipv4_address = Regex(r'(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}').setName("IPv4 address")
+    "IPv4 address (C{0.0.0.0 - 255.255.255.255})"
+
+    _ipv6_part = Regex(r'[0-9a-fA-F]{1,4}').setName("hex_integer")
+    _full_ipv6_address = (_ipv6_part + (':' + _ipv6_part)*7).setName("full IPv6 address")
+    _short_ipv6_address = (Optional(_ipv6_part + (':' + _ipv6_part)*(0,6)) + "::" + Optional(_ipv6_part + (':' + _ipv6_part)*(0,6))).setName("short IPv6 address")
+    _short_ipv6_address.addCondition(lambda t: sum(1 for tt in t if pyparsing_common._ipv6_part.matches(tt)) < 8)
+    _mixed_ipv6_address = ("::ffff:" + ipv4_address).setName("mixed IPv6 address")
+    ipv6_address = Combine((_full_ipv6_address | _mixed_ipv6_address | _short_ipv6_address).setName("IPv6 address")).setName("IPv6 address")
+    "IPv6 address (long, short, or mixed form)"
+    
+    mac_address = Regex(r'[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}').setName("MAC address")
+    "MAC address xx:xx:xx:xx:xx (may also have '-' or '.' delimiters)"
+
+    @staticmethod
+    def convertToDate(fmt="%Y-%m-%d"):
+        """
+        Helper to create a parse action for converting parsed date string to Python datetime.date
+
+        Params -
+         - fmt - format to be passed to datetime.strptime (default=C{"%Y-%m-%d"})
+
+        Example::
+            date_expr = pyparsing_common.iso8601_date.copy()
+            date_expr.setParseAction(pyparsing_common.convertToDate())
+            print(date_expr.parseString("1999-12-31"))
+        prints::
+            [datetime.date(1999, 12, 31)]
+        """
+        def cvt_fn(s,l,t):
+            try:
+                return datetime.strptime(t[0], fmt).date()
+            except ValueError as ve:
+                raise ParseException(s, l, str(ve))
+        return cvt_fn
+
+    @staticmethod
+    def convertToDatetime(fmt="%Y-%m-%dT%H:%M:%S.%f"):
+        """
+        Helper to create a parse action for converting parsed datetime string to Python datetime.datetime
+
+        Params -
+         - fmt - format to be passed to datetime.strptime (default=C{"%Y-%m-%dT%H:%M:%S.%f"})
+
+        Example::
+            dt_expr = pyparsing_common.iso8601_datetime.copy()
+            dt_expr.setParseAction(pyparsing_common.convertToDatetime())
+            print(dt_expr.parseString("1999-12-31T23:59:59.999"))
+        prints::
+            [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)]
+        """
+        def cvt_fn(s,l,t):
+            try:
+                return datetime.strptime(t[0], fmt)
+            except ValueError as ve:
+                raise ParseException(s, l, str(ve))
+        return cvt_fn
+
+    iso8601_date = Regex(r'(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?').setName("ISO8601 date")
+    "ISO8601 date (C{yyyy-mm-dd})"
+
+    iso8601_datetime = Regex(r'(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?').setName("ISO8601 datetime")
+    "ISO8601 datetime (C{yyyy-mm-ddThh:mm:ss.s(Z|+-00:00)}) - trailing seconds, milliseconds, and timezone optional; accepts separating C{'T'} or C{' '}"
+
+    uuid = Regex(r'[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}').setName("UUID")
+    "UUID (C{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx})"
+
+    _html_stripper = anyOpenTag.suppress() | anyCloseTag.suppress()
+    @staticmethod
+    def stripHTMLTags(s, l, tokens):
+        """
+        Parse action to remove HTML tags from web page HTML source
+
+        Example::
+            # strip HTML links from normal text 
+            text = '<td>More info at the <a href="http://pyparsing.wikispaces.com">pyparsing</a> wiki page</td>'
+            td,td_end = makeHTMLTags("TD")
+            table_text = td + SkipTo(td_end).setParseAction(pyparsing_common.stripHTMLTags)("body") + td_end
+            
+            print(table_text.parseString(text).body) # -> 'More info at the pyparsing wiki page'
+        """
+        return pyparsing_common._html_stripper.transformString(tokens[0])
+
+    _commasepitem = Combine(OneOrMore(~Literal(",") + ~LineEnd() + Word(printables, excludeChars=',') 
+                                        + Optional( White(" \t") ) ) ).streamline().setName("commaItem")
+    comma_separated_list = delimitedList( Optional( quotedString.copy() | _commasepitem, default="") ).setName("comma separated list")
+    """Predefined expression of 1 or more printable words or quoted strings, separated by commas."""
+
+    upcaseTokens = staticmethod(tokenMap(lambda t: _ustr(t).upper()))
+    """Parse action to convert tokens to upper case."""
+
+    downcaseTokens = staticmethod(tokenMap(lambda t: _ustr(t).lower()))
+    """Parse action to convert tokens to lower case."""
+
+
+if __name__ == "__main__":
+
+    selectToken    = CaselessLiteral("select")
+    fromToken      = CaselessLiteral("from")
+
+    ident          = Word(alphas, alphanums + "_$")
+
+    columnName     = delimitedList(ident, ".", combine=True).setParseAction(upcaseTokens)
+    columnNameList = Group(delimitedList(columnName)).setName("columns")
+    columnSpec     = ('*' | columnNameList)
+
+    tableName      = delimitedList(ident, ".", combine=True).setParseAction(upcaseTokens)
+    tableNameList  = Group(delimitedList(tableName)).setName("tables")
+    
+    simpleSQL      = selectToken("command") + columnSpec("columns") + fromToken + tableNameList("tables")
+
+    # demo runTests method, including embedded comments in test string
+    simpleSQL.runTests("""
+        # '*' as column list and dotted table name
+        select * from SYS.XYZZY
+
+        # caseless match on "SELECT", and casts back to "select"
+        SELECT * from XYZZY, ABC
+
+        # list of column names, and mixed case SELECT keyword
+        Select AA,BB,CC from Sys.dual
+
+        # multiple tables
+        Select A, B, C from Sys.dual, Table2
+
+        # invalid SELECT keyword - should fail
+        Xelect A, B, C from Sys.dual
+
+        # incomplete command - should fail
+        Select
+
+        # invalid column name - should fail
+        Select ^^^ frox Sys.dual
+
+        """)
+
+    pyparsing_common.number.runTests("""
+        100
+        -100
+        +100
+        3.14159
+        6.02e23
+        1e-12
+        """)
+
+    # any int or real number, returned as float
+    pyparsing_common.fnumber.runTests("""
+        100
+        -100
+        +100
+        3.14159
+        6.02e23
+        1e-12
+        """)
+
+    pyparsing_common.hex_integer.runTests("""
+        100
+        FF
+        """)
+
+    import uuid
+    pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID))
+    pyparsing_common.uuid.runTests("""
+        12345678-1234-5678-1234-567812345678
+        """)