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@@ -148,3 +148,5 @@ my_container_sandbox/workspace/anaconda3/lib/libnppial.so filter=lfs diff=lfs me
 my_container_sandbox/workspace/anaconda3/lib/libsqlite3.so.0.8.6 filter=lfs diff=lfs merge=lfs -text
 my_container_sandbox/workspace/anaconda3/lib/libcudart.so filter=lfs diff=lfs merge=lfs -text
 my_container_sandbox/workspace/anaconda3/lib/libz.so.1.2.13 filter=lfs diff=lfs merge=lfs -text
+my_container_sandbox/workspace/anaconda3/lib/libnppicc.so filter=lfs diff=lfs merge=lfs -text
+my_container_sandbox/workspace/anaconda3/lib/libnppitc.so.11 filter=lfs diff=lfs merge=lfs -text

my_container_sandbox/workspace/anaconda3/lib/libnppicc.so

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c7c756f65b011b05e8bc1dfcd7d2856159d3dacb2e7753caa97965d862ca08b0
+size 6357432

my_container_sandbox/workspace/anaconda3/lib/libnppitc.so.11

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e59c811a2478ca8f1335e787c046eabaaa9a0ac1589b898f3f5bc10b57527503
+size 4306408

my_container_sandbox/workspace/anaconda3/lib/python3.8/__future__.py

@@ -0,0 +1,147 @@
+"""Record of phased-in incompatible language changes.
+
+Each line is of the form:
+
+    FeatureName = "_Feature(" OptionalRelease "," MandatoryRelease ","
+                              CompilerFlag ")"
+
+where, normally, OptionalRelease < MandatoryRelease, and both are 5-tuples
+of the same form as sys.version_info:
+
+    (PY_MAJOR_VERSION, # the 2 in 2.1.0a3; an int
+     PY_MINOR_VERSION, # the 1; an int
+     PY_MICRO_VERSION, # the 0; an int
+     PY_RELEASE_LEVEL, # "alpha", "beta", "candidate" or "final"; string
+     PY_RELEASE_SERIAL # the 3; an int
+    )
+
+OptionalRelease records the first release in which
+
+    from __future__ import FeatureName
+
+was accepted.
+
+In the case of MandatoryReleases that have not yet occurred,
+MandatoryRelease predicts the release in which the feature will become part
+of the language.
+
+Else MandatoryRelease records when the feature became part of the language;
+in releases at or after that, modules no longer need
+
+    from __future__ import FeatureName
+
+to use the feature in question, but may continue to use such imports.
+
+MandatoryRelease may also be None, meaning that a planned feature got
+dropped.
+
+Instances of class _Feature have two corresponding methods,
+.getOptionalRelease() and .getMandatoryRelease().
+
+CompilerFlag is the (bitfield) flag that should be passed in the fourth
+argument to the builtin function compile() to enable the feature in
+dynamically compiled code.  This flag is stored in the .compiler_flag
+attribute on _Future instances.  These values must match the appropriate
+#defines of CO_xxx flags in Include/compile.h.
+
+No feature line is ever to be deleted from this file.
+"""
+
+all_feature_names = [
+    "nested_scopes",
+    "generators",
+    "division",
+    "absolute_import",
+    "with_statement",
+    "print_function",
+    "unicode_literals",
+    "barry_as_FLUFL",
+    "generator_stop",
+    "annotations",
+]
+
+__all__ = ["all_feature_names"] + all_feature_names
+
+# The CO_xxx symbols are defined here under the same names defined in
+# code.h and used by compile.h, so that an editor search will find them here.
+# However, they're not exported in __all__, because they don't really belong to
+# this module.
+CO_NESTED = 0x0010                      # nested_scopes
+CO_GENERATOR_ALLOWED = 0                # generators (obsolete, was 0x1000)
+CO_FUTURE_DIVISION = 0x20000            # division
+CO_FUTURE_ABSOLUTE_IMPORT = 0x40000     # perform absolute imports by default
+CO_FUTURE_WITH_STATEMENT = 0x80000      # with statement
+CO_FUTURE_PRINT_FUNCTION = 0x100000     # print function
+CO_FUTURE_UNICODE_LITERALS = 0x200000   # unicode string literals
+CO_FUTURE_BARRY_AS_BDFL = 0x400000
+CO_FUTURE_GENERATOR_STOP = 0x800000     # StopIteration becomes RuntimeError in generators
+CO_FUTURE_ANNOTATIONS = 0x1000000       # annotations become strings at runtime
+
+
+class _Feature:
+
+    def __init__(self, optionalRelease, mandatoryRelease, compiler_flag):
+        self.optional = optionalRelease
+        self.mandatory = mandatoryRelease
+        self.compiler_flag = compiler_flag
+
+    def getOptionalRelease(self):
+        """Return first release in which this feature was recognized.
+
+        This is a 5-tuple, of the same form as sys.version_info.
+        """
+        return self.optional
+
+    def getMandatoryRelease(self):
+        """Return release in which this feature will become mandatory.
+
+        This is a 5-tuple, of the same form as sys.version_info, or, if
+        the feature was dropped, is None.
+        """
+        return self.mandatory
+
+    def __repr__(self):
+        return "_Feature" + repr((self.optional,
+                                  self.mandatory,
+                                  self.compiler_flag))
+
+
+nested_scopes = _Feature((2, 1, 0, "beta",  1),
+                         (2, 2, 0, "alpha", 0),
+                         CO_NESTED)
+
+generators = _Feature((2, 2, 0, "alpha", 1),
+                      (2, 3, 0, "final", 0),
+                      CO_GENERATOR_ALLOWED)
+
+division = _Feature((2, 2, 0, "alpha", 2),
+                    (3, 0, 0, "alpha", 0),
+                    CO_FUTURE_DIVISION)
+
+absolute_import = _Feature((2, 5, 0, "alpha", 1),
+                           (3, 0, 0, "alpha", 0),
+                           CO_FUTURE_ABSOLUTE_IMPORT)
+
+with_statement = _Feature((2, 5, 0, "alpha", 1),
+                          (2, 6, 0, "alpha", 0),
+                          CO_FUTURE_WITH_STATEMENT)
+
+print_function = _Feature((2, 6, 0, "alpha", 2),
+                          (3, 0, 0, "alpha", 0),
+                          CO_FUTURE_PRINT_FUNCTION)
+
+unicode_literals = _Feature((2, 6, 0, "alpha", 2),
+                            (3, 0, 0, "alpha", 0),
+                            CO_FUTURE_UNICODE_LITERALS)
+
+barry_as_FLUFL = _Feature((3, 1, 0, "alpha", 2),
+                          (4, 0, 0, "alpha", 0),
+                          CO_FUTURE_BARRY_AS_BDFL)
+
+generator_stop = _Feature((3, 5, 0, "beta", 1),
+                          (3, 7, 0, "alpha", 0),
+                          CO_FUTURE_GENERATOR_STOP)
+
+annotations = _Feature((3, 7, 0, "beta", 1),
+                       (3, 10, 0, "alpha", 0),
+                       CO_FUTURE_ANNOTATIONS)

my_container_sandbox/workspace/anaconda3/lib/python3.8/_markupbase.py

@@ -0,0 +1,395 @@
+"""Shared support for scanning document type declarations in HTML and XHTML.
+
+This module is used as a foundation for the html.parser module.  It has no
+documented public API and should not be used directly.
+
+"""
+
+import re
+
+_declname_match = re.compile(r'[a-zA-Z][-_.a-zA-Z0-9]*\s*').match
+_declstringlit_match = re.compile(r'(\'[^\']*\'|"[^"]*")\s*').match
+_commentclose = re.compile(r'--\s*>')
+_markedsectionclose = re.compile(r']\s*]\s*>')
+
+# An analysis of the MS-Word extensions is available at
+# http://www.planetpublish.com/xmlarena/xap/Thursday/WordtoXML.pdf
+
+_msmarkedsectionclose = re.compile(r']\s*>')
+
+del re
+
+
+class ParserBase:
+    """Parser base class which provides some common support methods used
+    by the SGML/HTML and XHTML parsers."""
+
+    def __init__(self):
+        if self.__class__ is ParserBase:
+            raise RuntimeError(
+                "_markupbase.ParserBase must be subclassed")
+
+    def error(self, message):
+        raise NotImplementedError(
+            "subclasses of ParserBase must override error()")
+
+    def reset(self):
+        self.lineno = 1
+        self.offset = 0
+
+    def getpos(self):
+        """Return current line number and offset."""
+        return self.lineno, self.offset
+
+    # Internal -- update line number and offset.  This should be
+    # called for each piece of data exactly once, in order -- in other
+    # words the concatenation of all the input strings to this
+    # function should be exactly the entire input.
+    def updatepos(self, i, j):
+        if i >= j:
+            return j
+        rawdata = self.rawdata
+        nlines = rawdata.count("\n", i, j)
+        if nlines:
+            self.lineno = self.lineno + nlines
+            pos = rawdata.rindex("\n", i, j) # Should not fail
+            self.offset = j-(pos+1)
+        else:
+            self.offset = self.offset + j-i
+        return j
+
+    _decl_otherchars = ''
+
+    # Internal -- parse declaration (for use by subclasses).
+    def parse_declaration(self, i):
+        # This is some sort of declaration; in "HTML as
+        # deployed," this should only be the document type
+        # declaration ("<!DOCTYPE html...>").
+        # ISO 8879:1986, however, has more complex
+        # declaration syntax for elements in <!...>, including:
+        # --comment--
+        # [marked section]
+        # name in the following list: ENTITY, DOCTYPE, ELEMENT,
+        # ATTLIST, NOTATION, SHORTREF, USEMAP,
+        # LINKTYPE, LINK, IDLINK, USELINK, SYSTEM
+        rawdata = self.rawdata
+        j = i + 2
+        assert rawdata[i:j] == "<!", "unexpected call to parse_declaration"
+        if rawdata[j:j+1] == ">":
+            # the empty comment <!>
+            return j + 1
+        if rawdata[j:j+1] in ("-", ""):
+            # Start of comment followed by buffer boundary,
+            # or just a buffer boundary.
+            return -1
+        # A simple, practical version could look like: ((name|stringlit) S*) + '>'
+        n = len(rawdata)
+        if rawdata[j:j+2] == '--': #comment
+            # Locate --.*-- as the body of the comment
+            return self.parse_comment(i)
+        elif rawdata[j] == '[': #marked section
+            # Locate [statusWord [...arbitrary SGML...]] as the body of the marked section
+            # Where statusWord is one of TEMP, CDATA, IGNORE, INCLUDE, RCDATA
+            # Note that this is extended by Microsoft Office "Save as Web" function
+            # to include [if...] and [endif].
+            return self.parse_marked_section(i)
+        else: #all other declaration elements
+            decltype, j = self._scan_name(j, i)
+        if j < 0:
+            return j
+        if decltype == "doctype":
+            self._decl_otherchars = ''
+        while j < n:
+            c = rawdata[j]
+            if c == ">":
+                # end of declaration syntax
+                data = rawdata[i+2:j]
+                if decltype == "doctype":
+                    self.handle_decl(data)
+                else:
+                    # According to the HTML5 specs sections "8.2.4.44 Bogus
+                    # comment state" and "8.2.4.45 Markup declaration open
+                    # state", a comment token should be emitted.
+                    # Calling unknown_decl provides more flexibility though.
+                    self.unknown_decl(data)
+                return j + 1
+            if c in "\"'":
+                m = _declstringlit_match(rawdata, j)
+                if not m:
+                    return -1 # incomplete
+                j = m.end()
+            elif c in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ":
+                name, j = self._scan_name(j, i)
+            elif c in self._decl_otherchars:
+                j = j + 1
+            elif c == "[":
+                # this could be handled in a separate doctype parser
+                if decltype == "doctype":
+                    j = self._parse_doctype_subset(j + 1, i)
+                elif decltype in {"attlist", "linktype", "link", "element"}:
+                    # must tolerate []'d groups in a content model in an element declaration
+                    # also in data attribute specifications of attlist declaration
+                    # also link type declaration subsets in linktype declarations
+                    # also link attribute specification lists in link declarations
+                    self.error("unsupported '[' char in %s declaration" % decltype)
+                else:
+                    self.error("unexpected '[' char in declaration")
+            else:
+                self.error(
+                    "unexpected %r char in declaration" % rawdata[j])
+            if j < 0:
+                return j
+        return -1 # incomplete
+
+    # Internal -- parse a marked section
+    # Override this to handle MS-word extension syntax <![if word]>content<![endif]>
+    def parse_marked_section(self, i, report=1):
+        rawdata= self.rawdata
+        assert rawdata[i:i+3] == '<![', "unexpected call to parse_marked_section()"
+        sectName, j = self._scan_name( i+3, i )
+        if j < 0:
+            return j
+        if sectName in {"temp", "cdata", "ignore", "include", "rcdata"}:
+            # look for standard ]]> ending
+            match= _markedsectionclose.search(rawdata, i+3)
+        elif sectName in {"if", "else", "endif"}:
+            # look for MS Office ]> ending
+            match= _msmarkedsectionclose.search(rawdata, i+3)
+        else:
+            self.error('unknown status keyword %r in marked section' % rawdata[i+3:j])
+        if not match:
+            return -1
+        if report:
+            j = match.start(0)
+            self.unknown_decl(rawdata[i+3: j])
+        return match.end(0)
+
+    # Internal -- parse comment, return length or -1 if not terminated
+    def parse_comment(self, i, report=1):
+        rawdata = self.rawdata
+        if rawdata[i:i+4] != '<!--':
+            self.error('unexpected call to parse_comment()')
+        match = _commentclose.search(rawdata, i+4)
+        if not match:
+            return -1
+        if report:
+            j = match.start(0)
+            self.handle_comment(rawdata[i+4: j])
+        return match.end(0)
+
+    # Internal -- scan past the internal subset in a <!DOCTYPE declaration,
+    # returning the index just past any whitespace following the trailing ']'.
+    def _parse_doctype_subset(self, i, declstartpos):
+        rawdata = self.rawdata
+        n = len(rawdata)
+        j = i
+        while j < n:
+            c = rawdata[j]
+            if c == "<":
+                s = rawdata[j:j+2]
+                if s == "<":
+                    # end of buffer; incomplete
+                    return -1
+                if s != "<!":
+                    self.updatepos(declstartpos, j + 1)
+                    self.error("unexpected char in internal subset (in %r)" % s)
+                if (j + 2) == n:
+                    # end of buffer; incomplete
+                    return -1
+                if (j + 4) > n:
+                    # end of buffer; incomplete
+                    return -1
+                if rawdata[j:j+4] == "<!--":
+                    j = self.parse_comment(j, report=0)
+                    if j < 0:
+                        return j
+                    continue
+                name, j = self._scan_name(j + 2, declstartpos)
+                if j == -1:
+                    return -1
+                if name not in {"attlist", "element", "entity", "notation"}:
+                    self.updatepos(declstartpos, j + 2)
+                    self.error(
+                        "unknown declaration %r in internal subset" % name)
+                # handle the individual names
+                meth = getattr(self, "_parse_doctype_" + name)
+                j = meth(j, declstartpos)
+                if j < 0:
+                    return j
+            elif c == "%":
+                # parameter entity reference
+                if (j + 1) == n:
+                    # end of buffer; incomplete
+                    return -1
+                s, j = self._scan_name(j + 1, declstartpos)
+                if j < 0:
+                    return j
+                if rawdata[j] == ";":
+                    j = j + 1
+            elif c == "]":
+                j = j + 1
+                while j < n and rawdata[j].isspace():
+                    j = j + 1
+                if j < n:
+                    if rawdata[j] == ">":
+                        return j
+                    self.updatepos(declstartpos, j)
+                    self.error("unexpected char after internal subset")
+                else:
+                    return -1
+            elif c.isspace():
+                j = j + 1
+            else:
+                self.updatepos(declstartpos, j)
+                self.error("unexpected char %r in internal subset" % c)
+        # end of buffer reached
+        return -1
+
+    # Internal -- scan past <!ELEMENT declarations
+    def _parse_doctype_element(self, i, declstartpos):
+        name, j = self._scan_name(i, declstartpos)
+        if j == -1:
+            return -1
+        # style content model; just skip until '>'
+        rawdata = self.rawdata
+        if '>' in rawdata[j:]:
+            return rawdata.find(">", j) + 1
+        return -1
+
+    # Internal -- scan past <!ATTLIST declarations
+    def _parse_doctype_attlist(self, i, declstartpos):
+        rawdata = self.rawdata
+        name, j = self._scan_name(i, declstartpos)
+        c = rawdata[j:j+1]
+        if c == "":
+            return -1
+        if c == ">":
+            return j + 1
+        while 1:
+            # scan a series of attribute descriptions; simplified:
+            #   name type [value] [#constraint]
+            name, j = self._scan_name(j, declstartpos)
+            if j < 0:
+                return j
+            c = rawdata[j:j+1]
+            if c == "":
+                return -1
+            if c == "(":
+                # an enumerated type; look for ')'
+                if ")" in rawdata[j:]:
+                    j = rawdata.find(")", j) + 1
+                else:
+                    return -1
+                while rawdata[j:j+1].isspace():
+                    j = j + 1
+                if not rawdata[j:]:
+                    # end of buffer, incomplete
+                    return -1
+            else:
+                name, j = self._scan_name(j, declstartpos)
+            c = rawdata[j:j+1]
+            if not c:
+                return -1
+            if c in "'\"":
+                m = _declstringlit_match(rawdata, j)
+                if m:
+                    j = m.end()
+                else:
+                    return -1
+                c = rawdata[j:j+1]
+                if not c:
+                    return -1
+            if c == "#":
+                if rawdata[j:] == "#":
+                    # end of buffer
+                    return -1
+                name, j = self._scan_name(j + 1, declstartpos)
+                if j < 0:
+                    return j
+                c = rawdata[j:j+1]
+                if not c:
+                    return -1
+            if c == '>':
+                # all done
+                return j + 1
+
+    # Internal -- scan past <!NOTATION declarations
+    def _parse_doctype_notation(self, i, declstartpos):
+        name, j = self._scan_name(i, declstartpos)
+        if j < 0:
+            return j
+        rawdata = self.rawdata
+        while 1:
+            c = rawdata[j:j+1]
+            if not c:
+                # end of buffer; incomplete
+                return -1
+            if c == '>':
+                return j + 1
+            if c in "'\"":
+                m = _declstringlit_match(rawdata, j)
+                if not m:
+                    return -1
+                j = m.end()
+            else:
+                name, j = self._scan_name(j, declstartpos)
+                if j < 0:
+                    return j
+
+    # Internal -- scan past <!ENTITY declarations
+    def _parse_doctype_entity(self, i, declstartpos):
+        rawdata = self.rawdata
+        if rawdata[i:i+1] == "%":
+            j = i + 1
+            while 1:
+                c = rawdata[j:j+1]
+                if not c:
+                    return -1
+                if c.isspace():
+                    j = j + 1
+                else:
+                    break
+        else:
+            j = i
+        name, j = self._scan_name(j, declstartpos)
+        if j < 0:
+            return j
+        while 1:
+            c = self.rawdata[j:j+1]
+            if not c:
+                return -1
+            if c in "'\"":
+                m = _declstringlit_match(rawdata, j)
+                if m:
+                    j = m.end()
+                else:
+                    return -1    # incomplete
+            elif c == ">":
+                return j + 1
+            else:
+                name, j = self._scan_name(j, declstartpos)
+                if j < 0:
+                    return j
+
+    # Internal -- scan a name token and the new position and the token, or
+    # return -1 if we've reached the end of the buffer.
+    def _scan_name(self, i, declstartpos):
+        rawdata = self.rawdata
+        n = len(rawdata)
+        if i == n:
+            return None, -1
+        m = _declname_match(rawdata, i)
+        if m:
+            s = m.group()
+            name = s.strip()
+            if (i + len(s)) == n:
+                return None, -1  # end of buffer
+            return name.lower(), m.end()
+        else:
+            self.updatepos(declstartpos, i)
+            self.error("expected name token at %r"
+                       % rawdata[declstartpos:declstartpos+20])
+
+    # To be overridden -- handlers for unknown objects
+    def unknown_decl(self, data):
+        pass

my_container_sandbox/workspace/anaconda3/lib/python3.8/_osx_support.py

@@ -0,0 +1,575 @@
+"""Shared OS X support functions."""
+
+import os
+import re
+import sys
+
+__all__ = [
+    'compiler_fixup',
+    'customize_config_vars',
+    'customize_compiler',
+    'get_platform_osx',
+]
+
+# configuration variables that may contain universal build flags,
+# like "-arch" or "-isdkroot", that may need customization for
+# the user environment
+_UNIVERSAL_CONFIG_VARS = ('CFLAGS', 'LDFLAGS', 'CPPFLAGS', 'BASECFLAGS',
+                            'BLDSHARED', 'LDSHARED', 'CC', 'CXX',
+                            'PY_CFLAGS', 'PY_LDFLAGS', 'PY_CPPFLAGS',
+                            'PY_CORE_CFLAGS', 'PY_CORE_LDFLAGS')
+
+# configuration variables that may contain compiler calls
+_COMPILER_CONFIG_VARS = ('BLDSHARED', 'LDSHARED', 'CC', 'CXX')
+
+# prefix added to original configuration variable names
+_INITPRE = '_OSX_SUPPORT_INITIAL_'
+
+
+def _find_executable(executable, path=None):
+    """Tries to find 'executable' in the directories listed in 'path'.
+
+    A string listing directories separated by 'os.pathsep'; defaults to
+    os.environ['PATH'].  Returns the complete filename or None if not found.
+    """
+    if path is None:
+        path = os.environ['PATH']
+
+    paths = path.split(os.pathsep)
+    base, ext = os.path.splitext(executable)
+
+    if (sys.platform == 'win32') and (ext != '.exe'):
+        executable = executable + '.exe'
+
+    if not os.path.isfile(executable):
+        for p in paths:
+            f = os.path.join(p, executable)
+            if os.path.isfile(f):
+                # the file exists, we have a shot at spawn working
+                return f
+        return None
+    else:
+        return executable
+
+
+def _read_output(commandstring, capture_stderr=False):
+    """Output from successful command execution or None"""
+    # Similar to os.popen(commandstring, "r").read(),
+    # but without actually using os.popen because that
+    # function is not usable during python bootstrap.
+    # tempfile is also not available then.
+    import contextlib
+    try:
+        import tempfile
+        fp = tempfile.NamedTemporaryFile()
+    except ImportError:
+        fp = open("/tmp/_osx_support.%s"%(
+            os.getpid(),), "w+b")
+
+    with contextlib.closing(fp) as fp:
+        if capture_stderr:
+            cmd = "%s >'%s' 2>&1" % (commandstring, fp.name)
+        else:
+            cmd = "%s 2>/dev/null >'%s'" % (commandstring, fp.name)
+        return fp.read().decode('utf-8').strip() if not os.system(cmd) else None
+
+
+def _find_build_tool(toolname):
+    """Find a build tool on current path or using xcrun"""
+    return (_find_executable(toolname)
+                or _read_output("/usr/bin/xcrun -find %s" % (toolname,))
+                or ''
+            )
+
+_SYSTEM_VERSION = None
+
+def _get_system_version():
+    """Return the OS X system version as a string"""
+    # Reading this plist is a documented way to get the system
+    # version (see the documentation for the Gestalt Manager)
+    # We avoid using platform.mac_ver to avoid possible bootstrap issues during
+    # the build of Python itself (distutils is used to build standard library
+    # extensions).
+
+    global _SYSTEM_VERSION
+
+    if _SYSTEM_VERSION is None:
+        _SYSTEM_VERSION = ''
+        try:
+            f = open('/System/Library/CoreServices/SystemVersion.plist')
+        except OSError:
+            # We're on a plain darwin box, fall back to the default
+            # behaviour.
+            pass
+        else:
+            try:
+                m = re.search(r'<key>ProductUserVisibleVersion</key>\s*'
+                              r'<string>(.*?)</string>', f.read())
+            finally:
+                f.close()
+            if m is not None:
+                _SYSTEM_VERSION = '.'.join(m.group(1).split('.')[:2])
+            # else: fall back to the default behaviour
+
+    return _SYSTEM_VERSION
+
+_SYSTEM_VERSION_TUPLE = None
+def _get_system_version_tuple():
+    """
+    Return the macOS system version as a tuple
+
+    The return value is safe to use to compare
+    two version numbers.
+    """
+    global _SYSTEM_VERSION_TUPLE
+    if _SYSTEM_VERSION_TUPLE is None:
+        osx_version = _get_system_version()
+        if osx_version:
+            try:
+                _SYSTEM_VERSION_TUPLE = tuple(int(i) for i in osx_version.split('.'))
+            except ValueError:
+                _SYSTEM_VERSION_TUPLE = ()
+
+    return _SYSTEM_VERSION_TUPLE
+
+
+def _remove_original_values(_config_vars):
+    """Remove original unmodified values for testing"""
+    # This is needed for higher-level cross-platform tests of get_platform.
+    for k in list(_config_vars):
+        if k.startswith(_INITPRE):
+            del _config_vars[k]
+
+def _save_modified_value(_config_vars, cv, newvalue):
+    """Save modified and original unmodified value of configuration var"""
+
+    oldvalue = _config_vars.get(cv, '')
+    if (oldvalue != newvalue) and (_INITPRE + cv not in _config_vars):
+        _config_vars[_INITPRE + cv] = oldvalue
+    _config_vars[cv] = newvalue
+
+
+_cache_default_sysroot = None
+def _default_sysroot(cc):
+    """ Returns the root of the default SDK for this system, or '/' """
+    global _cache_default_sysroot
+
+    if _cache_default_sysroot is not None:
+        return _cache_default_sysroot
+
+    contents = _read_output('%s -c -E -v - </dev/null' % (cc,), True)
+    in_incdirs = False
+    for line in contents.splitlines():
+        if line.startswith("#include <...>"):
+            in_incdirs = True
+        elif line.startswith("End of search list"):
+            in_incdirs = False
+        elif in_incdirs:
+            line = line.strip()
+            if line == '/usr/include':
+                _cache_default_sysroot = '/'
+            elif line.endswith(".sdk/usr/include"):
+                _cache_default_sysroot = line[:-12]
+    if _cache_default_sysroot is None:
+        _cache_default_sysroot = '/'
+
+    return _cache_default_sysroot
+
+def _supports_universal_builds():
+    """Returns True if universal builds are supported on this system"""
+    # As an approximation, we assume that if we are running on 10.4 or above,
+    # then we are running with an Xcode environment that supports universal
+    # builds, in particular -isysroot and -arch arguments to the compiler. This
+    # is in support of allowing 10.4 universal builds to run on 10.3.x systems.
+
+    osx_version = _get_system_version_tuple()
+    return bool(osx_version >= (10, 4)) if osx_version else False
+
+def _supports_arm64_builds():
+    """Returns True if arm64 builds are supported on this system"""
+    # There are two sets of systems supporting macOS/arm64 builds:
+    # 1. macOS 11 and later, unconditionally
+    # 2. macOS 10.15 with Xcode 12.2 or later
+    # For now the second category is ignored.
+    osx_version = _get_system_version_tuple()
+    return osx_version >= (11, 0) if osx_version else False
+
+
+def _find_appropriate_compiler(_config_vars):
+    """Find appropriate C compiler for extension module builds"""
+
+    # Issue #13590:
+    #    The OSX location for the compiler varies between OSX
+    #    (or rather Xcode) releases.  With older releases (up-to 10.5)
+    #    the compiler is in /usr/bin, with newer releases the compiler
+    #    can only be found inside Xcode.app if the "Command Line Tools"
+    #    are not installed.
+    #
+    #    Furthermore, the compiler that can be used varies between
+    #    Xcode releases. Up to Xcode 4 it was possible to use 'gcc-4.2'
+    #    as the compiler, after that 'clang' should be used because
+    #    gcc-4.2 is either not present, or a copy of 'llvm-gcc' that
+    #    miscompiles Python.
+
+    # skip checks if the compiler was overridden with a CC env variable
+    if 'CC' in os.environ:
+        return _config_vars
+
+    # The CC config var might contain additional arguments.
+    # Ignore them while searching.
+    cc = oldcc = _config_vars['CC'].split()[0]
+    if not _find_executable(cc):
+        # Compiler is not found on the shell search PATH.
+        # Now search for clang, first on PATH (if the Command LIne
+        # Tools have been installed in / or if the user has provided
+        # another location via CC).  If not found, try using xcrun
+        # to find an uninstalled clang (within a selected Xcode).
+
+        # NOTE: Cannot use subprocess here because of bootstrap
+        # issues when building Python itself (and os.popen is
+        # implemented on top of subprocess and is therefore not
+        # usable as well)
+
+        cc = _find_build_tool('clang')
+
+    elif os.path.basename(cc).startswith('gcc'):
+        # Compiler is GCC, check if it is LLVM-GCC
+        data = _read_output("'%s' --version"
+                             % (cc.replace("'", "'\"'\"'"),))
+        if data and 'llvm-gcc' in data:
+            # Found LLVM-GCC, fall back to clang
+            cc = _find_build_tool('clang')
+
+    if not cc:
+        raise SystemError(
+               "Cannot locate working compiler")
+
+    if cc != oldcc:
+        # Found a replacement compiler.
+        # Modify config vars using new compiler, if not already explicitly
+        # overridden by an env variable, preserving additional arguments.
+        for cv in _COMPILER_CONFIG_VARS:
+            if cv in _config_vars and cv not in os.environ:
+                cv_split = _config_vars[cv].split()
+                cv_split[0] = cc if cv != 'CXX' else cc + '++'
+                _save_modified_value(_config_vars, cv, ' '.join(cv_split))
+
+    return _config_vars
+
+
+def _remove_universal_flags(_config_vars):
+    """Remove all universal build arguments from config vars"""
+
+    for cv in _UNIVERSAL_CONFIG_VARS:
+        # Do not alter a config var explicitly overridden by env var
+        if cv in _config_vars and cv not in os.environ:
+            flags = _config_vars[cv]
+            flags = re.sub(r'-arch\s+\w+\s', ' ', flags, flags=re.ASCII)
+            flags = re.sub(r'-isysroot\s*\S+', ' ', flags)
+            _save_modified_value(_config_vars, cv, flags)
+
+    return _config_vars
+
+
+def _remove_unsupported_archs(_config_vars):
+    """Remove any unsupported archs from config vars"""
+    # Different Xcode releases support different sets for '-arch'
+    # flags. In particular, Xcode 4.x no longer supports the
+    # PPC architectures.
+    #
+    # This code automatically removes '-arch ppc' and '-arch ppc64'
+    # when these are not supported. That makes it possible to
+    # build extensions on OSX 10.7 and later with the prebuilt
+    # 32-bit installer on the python.org website.
+
+    # skip checks if the compiler was overridden with a CC env variable
+    if 'CC' in os.environ:
+        return _config_vars
+
+    if re.search(r'-arch\s+ppc', _config_vars['CFLAGS']) is not None:
+        # NOTE: Cannot use subprocess here because of bootstrap
+        # issues when building Python itself
+        status = os.system(
+            """echo 'int main{};' | """
+            """'%s' -c -arch ppc -x c -o /dev/null /dev/null 2>/dev/null"""
+            %(_config_vars['CC'].replace("'", "'\"'\"'"),))
+        if status:
+            # The compile failed for some reason.  Because of differences
+            # across Xcode and compiler versions, there is no reliable way
+            # to be sure why it failed.  Assume here it was due to lack of
+            # PPC support and remove the related '-arch' flags from each
+            # config variables not explicitly overridden by an environment
+            # variable.  If the error was for some other reason, we hope the
+            # failure will show up again when trying to compile an extension
+            # module.
+            for cv in _UNIVERSAL_CONFIG_VARS:
+                if cv in _config_vars and cv not in os.environ:
+                    flags = _config_vars[cv]
+                    flags = re.sub(r'-arch\s+ppc\w*\s', ' ', flags)
+                    _save_modified_value(_config_vars, cv, flags)
+
+    return _config_vars
+
+
+def _override_all_archs(_config_vars):
+    """Allow override of all archs with ARCHFLAGS env var"""
+    # NOTE: This name was introduced by Apple in OSX 10.5 and
+    # is used by several scripting languages distributed with
+    # that OS release.
+    if 'ARCHFLAGS' in os.environ:
+        arch = os.environ['ARCHFLAGS']
+        for cv in _UNIVERSAL_CONFIG_VARS:
+            if cv in _config_vars and '-arch' in _config_vars[cv]:
+                flags = _config_vars[cv]
+                flags = re.sub(r'-arch\s+\w+\s', ' ', flags)
+                flags = flags + ' ' + arch
+                _save_modified_value(_config_vars, cv, flags)
+
+    return _config_vars
+
+
+def _check_for_unavailable_sdk(_config_vars):
+    """Remove references to any SDKs not available"""
+    # If we're on OSX 10.5 or later and the user tries to
+    # compile an extension using an SDK that is not present
+    # on the current machine it is better to not use an SDK
+    # than to fail.  This is particularly important with
+    # the standalone Command Line Tools alternative to a
+    # full-blown Xcode install since the CLT packages do not
+    # provide SDKs.  If the SDK is not present, it is assumed
+    # that the header files and dev libs have been installed
+    # to /usr and /System/Library by either a standalone CLT
+    # package or the CLT component within Xcode.
+    cflags = _config_vars.get('CFLAGS', '')
+    m = re.search(r'-isysroot\s*(\S+)', cflags)
+    if m is not None:
+        sdk = m.group(1)
+        if not os.path.exists(sdk):
+            for cv in _UNIVERSAL_CONFIG_VARS:
+                # Do not alter a config var explicitly overridden by env var
+                if cv in _config_vars and cv not in os.environ:
+                    flags = _config_vars[cv]
+                    flags = re.sub(r'-isysroot\s*\S+(?:\s|$)', ' ', flags)
+                    _save_modified_value(_config_vars, cv, flags)
+
+    return _config_vars
+
+
+def compiler_fixup(compiler_so, cc_args):
+    """
+    This function will strip '-isysroot PATH' and '-arch ARCH' from the
+    compile flags if the user has specified one them in extra_compile_flags.
+
+    This is needed because '-arch ARCH' adds another architecture to the
+    build, without a way to remove an architecture. Furthermore GCC will
+    barf if multiple '-isysroot' arguments are present.
+    """
+    stripArch = stripSysroot = False
+
+    compiler_so = list(compiler_so)
+
+    if not _supports_universal_builds():
+        # OSX before 10.4.0, these don't support -arch and -isysroot at
+        # all.
+        stripArch = stripSysroot = True
+    else:
+        stripArch = '-arch' in cc_args
+        stripSysroot = any(arg for arg in cc_args if arg.startswith('-isysroot'))
+
+    if stripArch or 'ARCHFLAGS' in os.environ:
+        while True:
+            try:
+                index = compiler_so.index('-arch')
+                # Strip this argument and the next one:
+                del compiler_so[index:index+2]
+            except ValueError:
+                break
+
+    elif not _supports_arm64_builds():
+        # Look for "-arch arm64" and drop that
+        for idx in reversed(range(len(compiler_so))):
+            if compiler_so[idx] == '-arch' and compiler_so[idx+1] == "arm64":
+                del compiler_so[idx:idx+2]
+
+    if 'ARCHFLAGS' in os.environ and not stripArch:
+        # User specified different -arch flags in the environ,
+        # see also distutils.sysconfig
+        compiler_so = compiler_so + os.environ['ARCHFLAGS'].split()
+
+    if stripSysroot:
+        while True:
+            indices = [i for i,x in enumerate(compiler_so) if x.startswith('-isysroot')]
+            if not indices:
+                break
+            index = indices[0]
+            if compiler_so[index] == '-isysroot':
+                # Strip this argument and the next one:
+                del compiler_so[index:index+2]
+            else:
+                # It's '-isysroot/some/path' in one arg
+                del compiler_so[index:index+1]
+
+    # Check if the SDK that is used during compilation actually exists,
+    # the universal build requires the usage of a universal SDK and not all
+    # users have that installed by default.
+    sysroot = None
+    argvar = cc_args
+    indices = [i for i,x in enumerate(cc_args) if x.startswith('-isysroot')]
+    if not indices:
+        argvar = compiler_so
+        indices = [i for i,x in enumerate(compiler_so) if x.startswith('-isysroot')]
+
+    for idx in indices:
+        if argvar[idx] == '-isysroot':
+            sysroot = argvar[idx+1]
+            break
+        else:
+            sysroot = argvar[idx][len('-isysroot'):]
+            break
+
+    if sysroot and not os.path.isdir(sysroot):
+        from distutils import log
+        log.warn("Compiling with an SDK that doesn't seem to exist: %s",
+                sysroot)
+        log.warn("Please check your Xcode installation")
+
+    return compiler_so
+
+
+def customize_config_vars(_config_vars):
+    """Customize Python build configuration variables.
+
+    Called internally from sysconfig with a mutable mapping
+    containing name/value pairs parsed from the configured
+    makefile used to build this interpreter.  Returns
+    the mapping updated as needed to reflect the environment
+    in which the interpreter is running; in the case of
+    a Python from a binary installer, the installed
+    environment may be very different from the build
+    environment, i.e. different OS levels, different
+    built tools, different available CPU architectures.
+
+    This customization is performed whenever
+    distutils.sysconfig.get_config_vars() is first
+    called.  It may be used in environments where no
+    compilers are present, i.e. when installing pure
+    Python dists.  Customization of compiler paths
+    and detection of unavailable archs is deferred
+    until the first extension module build is
+    requested (in distutils.sysconfig.customize_compiler).
+
+    Currently called from distutils.sysconfig
+    """
+
+    if not _supports_universal_builds():
+        # On Mac OS X before 10.4, check if -arch and -isysroot
+        # are in CFLAGS or LDFLAGS and remove them if they are.
+        # This is needed when building extensions on a 10.3 system
+        # using a universal build of python.
+        _remove_universal_flags(_config_vars)
+
+    # Allow user to override all archs with ARCHFLAGS env var
+    _override_all_archs(_config_vars)
+
+    # Remove references to sdks that are not found
+    _check_for_unavailable_sdk(_config_vars)
+
+    return _config_vars
+
+
+def customize_compiler(_config_vars):
+    """Customize compiler path and configuration variables.
+
+    This customization is performed when the first
+    extension module build is requested
+    in distutils.sysconfig.customize_compiler).
+    """
+
+    # Find a compiler to use for extension module builds
+    _find_appropriate_compiler(_config_vars)
+
+    # Remove ppc arch flags if not supported here
+    _remove_unsupported_archs(_config_vars)
+
+    # Allow user to override all archs with ARCHFLAGS env var
+    _override_all_archs(_config_vars)
+
+    return _config_vars
+
+
+def get_platform_osx(_config_vars, osname, release, machine):
+    """Filter values for get_platform()"""
+    # called from get_platform() in sysconfig and distutils.util
+    #
+    # For our purposes, we'll assume that the system version from
+    # distutils' perspective is what MACOSX_DEPLOYMENT_TARGET is set
+    # to. This makes the compatibility story a bit more sane because the
+    # machine is going to compile and link as if it were
+    # MACOSX_DEPLOYMENT_TARGET.
+
+    macver = _config_vars.get('MACOSX_DEPLOYMENT_TARGET', '')
+    macrelease = _get_system_version() or macver
+    macver = macver or macrelease
+
+    if macver:
+        release = macver
+        osname = "macosx"
+
+        # Use the original CFLAGS value, if available, so that we
+        # return the same machine type for the platform string.
+        # Otherwise, distutils may consider this a cross-compiling
+        # case and disallow installs.
+        cflags = _config_vars.get(_INITPRE+'CFLAGS',
+                                    _config_vars.get('CFLAGS', ''))
+        if macrelease:
+            try:
+                macrelease = tuple(int(i) for i in macrelease.split('.')[0:2])
+            except ValueError:
+                macrelease = (10, 0)
+        else:
+            # assume no universal support
+            macrelease = (10, 0)
+
+        if (macrelease >= (10, 4)) and '-arch' in cflags.strip():
+            # The universal build will build fat binaries, but not on
+            # systems before 10.4
+
+            machine = 'fat'
+
+            archs = re.findall(r'-arch\s+(\S+)', cflags)
+            archs = tuple(sorted(set(archs)))
+
+            if len(archs) == 1:
+                machine = archs[0]
+            elif archs == ('arm64', 'x86_64'):
+                machine = 'universal2'
+            elif archs == ('i386', 'ppc'):
+                machine = 'fat'
+            elif archs == ('i386', 'x86_64'):
+                machine = 'intel'
+            elif archs == ('i386', 'ppc', 'x86_64'):
+                machine = 'fat3'
+            elif archs == ('ppc64', 'x86_64'):
+                machine = 'fat64'
+            elif archs == ('i386', 'ppc', 'ppc64', 'x86_64'):
+                machine = 'universal'
+            else:
+                raise ValueError(
+                   "Don't know machine value for archs=%r" % (archs,))
+
+        elif machine == 'i386':
+            # On OSX the machine type returned by uname is always the
+            # 32-bit variant, even if the executable architecture is
+            # the 64-bit variant
+            if sys.maxsize >= 2**32:
+                machine = 'x86_64'
+
+        elif machine in ('PowerPC', 'Power_Macintosh'):
+            # Pick a sane name for the PPC architecture.
+            # See 'i386' case
+            if sys.maxsize >= 2**32:
+                machine = 'ppc64'
+            else:
+                machine = 'ppc'
+
+    return (osname, release, machine)

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sitebuiltins.py

@@ -0,0 +1,103 @@
+"""
+The objects used by the site module to add custom builtins.
+"""
+
+# Those objects are almost immortal and they keep a reference to their module
+# globals.  Defining them in the site module would keep too many references
+# alive.
+# Note this means this module should also avoid keep things alive in its
+# globals.
+
+import sys
+
+class Quitter(object):
+    def __init__(self, name, eof):
+        self.name = name
+        self.eof = eof
+    def __repr__(self):
+        return 'Use %s() or %s to exit' % (self.name, self.eof)
+    def __call__(self, code=None):
+        # Shells like IDLE catch the SystemExit, but listen when their
+        # stdin wrapper is closed.
+        try:
+            sys.stdin.close()
+        except:
+            pass
+        raise SystemExit(code)
+
+
+class _Printer(object):
+    """interactive prompt objects for printing the license text, a list of
+    contributors and the copyright notice."""
+
+    MAXLINES = 23
+
+    def __init__(self, name, data, files=(), dirs=()):
+        import os
+        self.__name = name
+        self.__data = data
+        self.__lines = None
+        self.__filenames = [os.path.join(dir, filename)
+                            for dir in dirs
+                            for filename in files]
+
+    def __setup(self):
+        if self.__lines:
+            return
+        data = None
+        for filename in self.__filenames:
+            try:
+                with open(filename, "r") as fp:
+                    data = fp.read()
+                break
+            except OSError:
+                pass
+        if not data:
+            data = self.__data
+        self.__lines = data.split('\n')
+        self.__linecnt = len(self.__lines)
+
+    def __repr__(self):
+        self.__setup()
+        if len(self.__lines) <= self.MAXLINES:
+            return "\n".join(self.__lines)
+        else:
+            return "Type %s() to see the full %s text" % ((self.__name,)*2)
+
+    def __call__(self):
+        self.__setup()
+        prompt = 'Hit Return for more, or q (and Return) to quit: '
+        lineno = 0
+        while 1:
+            try:
+                for i in range(lineno, lineno + self.MAXLINES):
+                    print(self.__lines[i])
+            except IndexError:
+                break
+            else:
+                lineno += self.MAXLINES
+                key = None
+                while key is None:
+                    key = input(prompt)
+                    if key not in ('', 'q'):
+                        key = None
+                if key == 'q':
+                    break
+
+
+class _Helper(object):
+    """Define the builtin 'help'.
+
+    This is a wrapper around pydoc.help that provides a helpful message
+    when 'help' is typed at the Python interactive prompt.
+
+    Calling help() at the Python prompt starts an interactive help session.
+    Calling help(thing) prints help for the python object 'thing'.
+    """
+
+    def __repr__(self):
+        return "Type help() for interactive help, " \
+               "or help(object) for help about object."
+    def __call__(self, *args, **kwds):
+        import pydoc
+        return pydoc.help(*args, **kwds)

my_container_sandbox/workspace/anaconda3/lib/python3.8/_strptime.py

@@ -0,0 +1,579 @@
+"""Strptime-related classes and functions.
+
+CLASSES:
+    LocaleTime -- Discovers and stores locale-specific time information
+    TimeRE -- Creates regexes for pattern matching a string of text containing
+                time information
+
+FUNCTIONS:
+    _getlang -- Figure out what language is being used for the locale
+    strptime -- Calculates the time struct represented by the passed-in string
+
+"""
+import time
+import locale
+import calendar
+from re import compile as re_compile
+from re import IGNORECASE
+from re import escape as re_escape
+from datetime import (date as datetime_date,
+                      timedelta as datetime_timedelta,
+                      timezone as datetime_timezone)
+from _thread import allocate_lock as _thread_allocate_lock
+
+__all__ = []
+
+def _getlang():
+    # Figure out what the current language is set to.
+    return locale.getlocale(locale.LC_TIME)
+
+class LocaleTime(object):
+    """Stores and handles locale-specific information related to time.
+
+    ATTRIBUTES:
+        f_weekday -- full weekday names (7-item list)
+        a_weekday -- abbreviated weekday names (7-item list)
+        f_month -- full month names (13-item list; dummy value in [0], which
+                    is added by code)
+        a_month -- abbreviated month names (13-item list, dummy value in
+                    [0], which is added by code)
+        am_pm -- AM/PM representation (2-item list)
+        LC_date_time -- format string for date/time representation (string)
+        LC_date -- format string for date representation (string)
+        LC_time -- format string for time representation (string)
+        timezone -- daylight- and non-daylight-savings timezone representation
+                    (2-item list of sets)
+        lang -- Language used by instance (2-item tuple)
+    """
+
+    def __init__(self):
+        """Set all attributes.
+
+        Order of methods called matters for dependency reasons.
+
+        The locale language is set at the offset and then checked again before
+        exiting.  This is to make sure that the attributes were not set with a
+        mix of information from more than one locale.  This would most likely
+        happen when using threads where one thread calls a locale-dependent
+        function while another thread changes the locale while the function in
+        the other thread is still running.  Proper coding would call for
+        locks to prevent changing the locale while locale-dependent code is
+        running.  The check here is done in case someone does not think about
+        doing this.
+
+        Only other possible issue is if someone changed the timezone and did
+        not call tz.tzset .  That is an issue for the programmer, though,
+        since changing the timezone is worthless without that call.
+
+        """
+        self.lang = _getlang()
+        self.__calc_weekday()
+        self.__calc_month()
+        self.__calc_am_pm()
+        self.__calc_timezone()
+        self.__calc_date_time()
+        if _getlang() != self.lang:
+            raise ValueError("locale changed during initialization")
+        if time.tzname != self.tzname or time.daylight != self.daylight:
+            raise ValueError("timezone changed during initialization")
+
+    def __calc_weekday(self):
+        # Set self.a_weekday and self.f_weekday using the calendar
+        # module.
+        a_weekday = [calendar.day_abbr[i].lower() for i in range(7)]
+        f_weekday = [calendar.day_name[i].lower() for i in range(7)]
+        self.a_weekday = a_weekday
+        self.f_weekday = f_weekday
+
+    def __calc_month(self):
+        # Set self.f_month and self.a_month using the calendar module.
+        a_month = [calendar.month_abbr[i].lower() for i in range(13)]
+        f_month = [calendar.month_name[i].lower() for i in range(13)]
+        self.a_month = a_month
+        self.f_month = f_month
+
+    def __calc_am_pm(self):
+        # Set self.am_pm by using time.strftime().
+
+        # The magic date (1999,3,17,hour,44,55,2,76,0) is not really that
+        # magical; just happened to have used it everywhere else where a
+        # static date was needed.
+        am_pm = []
+        for hour in (1, 22):
+            time_tuple = time.struct_time((1999,3,17,hour,44,55,2,76,0))
+            am_pm.append(time.strftime("%p", time_tuple).lower())
+        self.am_pm = am_pm
+
+    def __calc_date_time(self):
+        # Set self.date_time, self.date, & self.time by using
+        # time.strftime().
+
+        # Use (1999,3,17,22,44,55,2,76,0) for magic date because the amount of
+        # overloaded numbers is minimized.  The order in which searches for
+        # values within the format string is very important; it eliminates
+        # possible ambiguity for what something represents.
+        time_tuple = time.struct_time((1999,3,17,22,44,55,2,76,0))
+        date_time = [None, None, None]
+        date_time[0] = time.strftime("%c", time_tuple).lower()
+        date_time[1] = time.strftime("%x", time_tuple).lower()
+        date_time[2] = time.strftime("%X", time_tuple).lower()
+        replacement_pairs = [('%', '%%'), (self.f_weekday[2], '%A'),
+                    (self.f_month[3], '%B'), (self.a_weekday[2], '%a'),
+                    (self.a_month[3], '%b'), (self.am_pm[1], '%p'),
+                    ('1999', '%Y'), ('99', '%y'), ('22', '%H'),
+                    ('44', '%M'), ('55', '%S'), ('76', '%j'),
+                    ('17', '%d'), ('03', '%m'), ('3', '%m'),
+                    # '3' needed for when no leading zero.
+                    ('2', '%w'), ('10', '%I')]
+        replacement_pairs.extend([(tz, "%Z") for tz_values in self.timezone
+                                                for tz in tz_values])
+        for offset,directive in ((0,'%c'), (1,'%x'), (2,'%X')):
+            current_format = date_time[offset]
+            for old, new in replacement_pairs:
+                # Must deal with possible lack of locale info
+                # manifesting itself as the empty string (e.g., Swedish's
+                # lack of AM/PM info) or a platform returning a tuple of empty
+                # strings (e.g., MacOS 9 having timezone as ('','')).
+                if old:
+                    current_format = current_format.replace(old, new)
+            # If %W is used, then Sunday, 2005-01-03 will fall on week 0 since
+            # 2005-01-03 occurs before the first Monday of the year.  Otherwise
+            # %U is used.
+            time_tuple = time.struct_time((1999,1,3,1,1,1,6,3,0))
+            if '00' in time.strftime(directive, time_tuple):
+                U_W = '%W'
+            else:
+                U_W = '%U'
+            date_time[offset] = current_format.replace('11', U_W)
+        self.LC_date_time = date_time[0]
+        self.LC_date = date_time[1]
+        self.LC_time = date_time[2]
+
+    def __calc_timezone(self):
+        # Set self.timezone by using time.tzname.
+        # Do not worry about possibility of time.tzname[0] == time.tzname[1]
+        # and time.daylight; handle that in strptime.
+        try:
+            time.tzset()
+        except AttributeError:
+            pass
+        self.tzname = time.tzname
+        self.daylight = time.daylight
+        no_saving = frozenset({"utc", "gmt", self.tzname[0].lower()})
+        if self.daylight:
+            has_saving = frozenset({self.tzname[1].lower()})
+        else:
+            has_saving = frozenset()
+        self.timezone = (no_saving, has_saving)
+
+
+class TimeRE(dict):
+    """Handle conversion from format directives to regexes."""
+
+    def __init__(self, locale_time=None):
+        """Create keys/values.
+
+        Order of execution is important for dependency reasons.
+
+        """
+        if locale_time:
+            self.locale_time = locale_time
+        else:
+            self.locale_time = LocaleTime()
+        base = super()
+        base.__init__({
+            # The " \d" part of the regex is to make %c from ANSI C work
+            'd': r"(?P<d>3[0-1]|[1-2]\d|0[1-9]|[1-9]| [1-9])",
+            'f': r"(?P<f>[0-9]{1,6})",
+            'H': r"(?P<H>2[0-3]|[0-1]\d|\d)",
+            'I': r"(?P<I>1[0-2]|0[1-9]|[1-9])",
+            'G': r"(?P<G>\d\d\d\d)",
+            'j': r"(?P<j>36[0-6]|3[0-5]\d|[1-2]\d\d|0[1-9]\d|00[1-9]|[1-9]\d|0[1-9]|[1-9])",
+            'm': r"(?P<m>1[0-2]|0[1-9]|[1-9])",
+            'M': r"(?P<M>[0-5]\d|\d)",
+            'S': r"(?P<S>6[0-1]|[0-5]\d|\d)",
+            'U': r"(?P<U>5[0-3]|[0-4]\d|\d)",
+            'w': r"(?P<w>[0-6])",
+            'u': r"(?P<u>[1-7])",
+            'V': r"(?P<V>5[0-3]|0[1-9]|[1-4]\d|\d)",
+            # W is set below by using 'U'
+            'y': r"(?P<y>\d\d)",
+            #XXX: Does 'Y' need to worry about having less or more than
+            #     4 digits?
+            'Y': r"(?P<Y>\d\d\d\d)",
+            'z': r"(?P<z>[+-]\d\d:?[0-5]\d(:?[0-5]\d(\.\d{1,6})?)?|Z)",
+            'A': self.__seqToRE(self.locale_time.f_weekday, 'A'),
+            'a': self.__seqToRE(self.locale_time.a_weekday, 'a'),
+            'B': self.__seqToRE(self.locale_time.f_month[1:], 'B'),
+            'b': self.__seqToRE(self.locale_time.a_month[1:], 'b'),
+            'p': self.__seqToRE(self.locale_time.am_pm, 'p'),
+            'Z': self.__seqToRE((tz for tz_names in self.locale_time.timezone
+                                        for tz in tz_names),
+                                'Z'),
+            '%': '%'})
+        base.__setitem__('W', base.__getitem__('U').replace('U', 'W'))
+        base.__setitem__('c', self.pattern(self.locale_time.LC_date_time))
+        base.__setitem__('x', self.pattern(self.locale_time.LC_date))
+        base.__setitem__('X', self.pattern(self.locale_time.LC_time))
+
+    def __seqToRE(self, to_convert, directive):
+        """Convert a list to a regex string for matching a directive.
+
+        Want possible matching values to be from longest to shortest.  This
+        prevents the possibility of a match occurring for a value that also
+        a substring of a larger value that should have matched (e.g., 'abc'
+        matching when 'abcdef' should have been the match).
+
+        """
+        to_convert = sorted(to_convert, key=len, reverse=True)
+        for value in to_convert:
+            if value != '':
+                break
+        else:
+            return ''
+        regex = '|'.join(re_escape(stuff) for stuff in to_convert)
+        regex = '(?P<%s>%s' % (directive, regex)
+        return '%s)' % regex
+
+    def pattern(self, format):
+        """Return regex pattern for the format string.
+
+        Need to make sure that any characters that might be interpreted as
+        regex syntax are escaped.
+
+        """
+        processed_format = ''
+        # The sub() call escapes all characters that might be misconstrued
+        # as regex syntax.  Cannot use re.escape since we have to deal with
+        # format directives (%m, etc.).
+        regex_chars = re_compile(r"([\\.^$*+?\(\){}\[\]|])")
+        format = regex_chars.sub(r"\\\1", format)
+        whitespace_replacement = re_compile(r'\s+')
+        format = whitespace_replacement.sub(r'\\s+', format)
+        while '%' in format:
+            directive_index = format.index('%')+1
+            processed_format = "%s%s%s" % (processed_format,
+                                           format[:directive_index-1],
+                                           self[format[directive_index]])
+            format = format[directive_index+1:]
+        return "%s%s" % (processed_format, format)
+
+    def compile(self, format):
+        """Return a compiled re object for the format string."""
+        return re_compile(self.pattern(format), IGNORECASE)
+
+_cache_lock = _thread_allocate_lock()
+# DO NOT modify _TimeRE_cache or _regex_cache without acquiring the cache lock
+# first!
+_TimeRE_cache = TimeRE()
+_CACHE_MAX_SIZE = 5 # Max number of regexes stored in _regex_cache
+_regex_cache = {}
+
+def _calc_julian_from_U_or_W(year, week_of_year, day_of_week, week_starts_Mon):
+    """Calculate the Julian day based on the year, week of the year, and day of
+    the week, with week_start_day representing whether the week of the year
+    assumes the week starts on Sunday or Monday (6 or 0)."""
+    first_weekday = datetime_date(year, 1, 1).weekday()
+    # If we are dealing with the %U directive (week starts on Sunday), it's
+    # easier to just shift the view to Sunday being the first day of the
+    # week.
+    if not week_starts_Mon:
+        first_weekday = (first_weekday + 1) % 7
+        day_of_week = (day_of_week + 1) % 7
+    # Need to watch out for a week 0 (when the first day of the year is not
+    # the same as that specified by %U or %W).
+    week_0_length = (7 - first_weekday) % 7
+    if week_of_year == 0:
+        return 1 + day_of_week - first_weekday
+    else:
+        days_to_week = week_0_length + (7 * (week_of_year - 1))
+        return 1 + days_to_week + day_of_week
+
+
+def _calc_julian_from_V(iso_year, iso_week, iso_weekday):
+    """Calculate the Julian day based on the ISO 8601 year, week, and weekday.
+    ISO weeks start on Mondays, with week 01 being the week containing 4 Jan.
+    ISO week days range from 1 (Monday) to 7 (Sunday).
+    """
+    correction = datetime_date(iso_year, 1, 4).isoweekday() + 3
+    ordinal = (iso_week * 7) + iso_weekday - correction
+    # ordinal may be negative or 0 now, which means the date is in the previous
+    # calendar year
+    if ordinal < 1:
+        ordinal += datetime_date(iso_year, 1, 1).toordinal()
+        iso_year -= 1
+        ordinal -= datetime_date(iso_year, 1, 1).toordinal()
+    return iso_year, ordinal
+
+
+def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
+    """Return a 2-tuple consisting of a time struct and an int containing
+    the number of microseconds based on the input string and the
+    format string."""
+
+    for index, arg in enumerate([data_string, format]):
+        if not isinstance(arg, str):
+            msg = "strptime() argument {} must be str, not {}"
+            raise TypeError(msg.format(index, type(arg)))
+
+    global _TimeRE_cache, _regex_cache
+    with _cache_lock:
+        locale_time = _TimeRE_cache.locale_time
+        if (_getlang() != locale_time.lang or
+            time.tzname != locale_time.tzname or
+            time.daylight != locale_time.daylight):
+            _TimeRE_cache = TimeRE()
+            _regex_cache.clear()
+            locale_time = _TimeRE_cache.locale_time
+        if len(_regex_cache) > _CACHE_MAX_SIZE:
+            _regex_cache.clear()
+        format_regex = _regex_cache.get(format)
+        if not format_regex:
+            try:
+                format_regex = _TimeRE_cache.compile(format)
+            # KeyError raised when a bad format is found; can be specified as
+            # \\, in which case it was a stray % but with a space after it
+            except KeyError as err:
+                bad_directive = err.args[0]
+                if bad_directive == "\\":
+                    bad_directive = "%"
+                del err
+                raise ValueError("'%s' is a bad directive in format '%s'" %
+                                    (bad_directive, format)) from None
+            # IndexError only occurs when the format string is "%"
+            except IndexError:
+                raise ValueError("stray %% in format '%s'" % format) from None
+            _regex_cache[format] = format_regex
+    found = format_regex.match(data_string)
+    if not found:
+        raise ValueError("time data %r does not match format %r" %
+                         (data_string, format))
+    if len(data_string) != found.end():
+        raise ValueError("unconverted data remains: %s" %
+                          data_string[found.end():])
+
+    iso_year = year = None
+    month = day = 1
+    hour = minute = second = fraction = 0
+    tz = -1
+    gmtoff = None
+    gmtoff_fraction = 0
+    # Default to -1 to signify that values not known; not critical to have,
+    # though
+    iso_week = week_of_year = None
+    week_of_year_start = None
+    # weekday and julian defaulted to None so as to signal need to calculate
+    # values
+    weekday = julian = None
+    found_dict = found.groupdict()
+    for group_key in found_dict.keys():
+        # Directives not explicitly handled below:
+        #   c, x, X
+        #      handled by making out of other directives
+        #   U, W
+        #      worthless without day of the week
+        if group_key == 'y':
+            year = int(found_dict['y'])
+            # Open Group specification for strptime() states that a %y
+            #value in the range of [00, 68] is in the century 2000, while
+            #[69,99] is in the century 1900
+            if year <= 68:
+                year += 2000
+            else:
+                year += 1900
+        elif group_key == 'Y':
+            year = int(found_dict['Y'])
+        elif group_key == 'G':
+            iso_year = int(found_dict['G'])
+        elif group_key == 'm':
+            month = int(found_dict['m'])
+        elif group_key == 'B':
+            month = locale_time.f_month.index(found_dict['B'].lower())
+        elif group_key == 'b':
+            month = locale_time.a_month.index(found_dict['b'].lower())
+        elif group_key == 'd':
+            day = int(found_dict['d'])
+        elif group_key == 'H':
+            hour = int(found_dict['H'])
+        elif group_key == 'I':
+            hour = int(found_dict['I'])
+            ampm = found_dict.get('p', '').lower()
+            # If there was no AM/PM indicator, we'll treat this like AM
+            if ampm in ('', locale_time.am_pm[0]):
+                # We're in AM so the hour is correct unless we're
+                # looking at 12 midnight.
+                # 12 midnight == 12 AM == hour 0
+                if hour == 12:
+                    hour = 0
+            elif ampm == locale_time.am_pm[1]:
+                # We're in PM so we need to add 12 to the hour unless
+                # we're looking at 12 noon.
+                # 12 noon == 12 PM == hour 12
+                if hour != 12:
+                    hour += 12
+        elif group_key == 'M':
+            minute = int(found_dict['M'])
+        elif group_key == 'S':
+            second = int(found_dict['S'])
+        elif group_key == 'f':
+            s = found_dict['f']
+            # Pad to always return microseconds.
+            s += "0" * (6 - len(s))
+            fraction = int(s)
+        elif group_key == 'A':
+            weekday = locale_time.f_weekday.index(found_dict['A'].lower())
+        elif group_key == 'a':
+            weekday = locale_time.a_weekday.index(found_dict['a'].lower())
+        elif group_key == 'w':
+            weekday = int(found_dict['w'])
+            if weekday == 0:
+                weekday = 6
+            else:
+                weekday -= 1
+        elif group_key == 'u':
+            weekday = int(found_dict['u'])
+            weekday -= 1
+        elif group_key == 'j':
+            julian = int(found_dict['j'])
+        elif group_key in ('U', 'W'):
+            week_of_year = int(found_dict[group_key])
+            if group_key == 'U':
+                # U starts week on Sunday.
+                week_of_year_start = 6
+            else:
+                # W starts week on Monday.
+                week_of_year_start = 0
+        elif group_key == 'V':
+            iso_week = int(found_dict['V'])
+        elif group_key == 'z':
+            z = found_dict['z']
+            if z == 'Z':
+                gmtoff = 0
+            else:
+                if z[3] == ':':
+                    z = z[:3] + z[4:]
+                    if len(z) > 5:
+                        if z[5] != ':':
+                            msg = f"Inconsistent use of : in {found_dict['z']}"
+                            raise ValueError(msg)
+                        z = z[:5] + z[6:]
+                hours = int(z[1:3])
+                minutes = int(z[3:5])
+                seconds = int(z[5:7] or 0)
+                gmtoff = (hours * 60 * 60) + (minutes * 60) + seconds
+                gmtoff_remainder = z[8:]
+                # Pad to always return microseconds.
+                gmtoff_remainder_padding = "0" * (6 - len(gmtoff_remainder))
+                gmtoff_fraction = int(gmtoff_remainder + gmtoff_remainder_padding)
+                if z.startswith("-"):
+                    gmtoff = -gmtoff
+                    gmtoff_fraction = -gmtoff_fraction
+        elif group_key == 'Z':
+            # Since -1 is default value only need to worry about setting tz if
+            # it can be something other than -1.
+            found_zone = found_dict['Z'].lower()
+            for value, tz_values in enumerate(locale_time.timezone):
+                if found_zone in tz_values:
+                    # Deal with bad locale setup where timezone names are the
+                    # same and yet time.daylight is true; too ambiguous to
+                    # be able to tell what timezone has daylight savings
+                    if (time.tzname[0] == time.tzname[1] and
+                       time.daylight and found_zone not in ("utc", "gmt")):
+                        break
+                    else:
+                        tz = value
+                        break
+    # Deal with the cases where ambiguities arize
+    # don't assume default values for ISO week/year
+    if year is None and iso_year is not None:
+        if iso_week is None or weekday is None:
+            raise ValueError("ISO year directive '%G' must be used with "
+                             "the ISO week directive '%V' and a weekday "
+                             "directive ('%A', '%a', '%w', or '%u').")
+        if julian is not None:
+            raise ValueError("Day of the year directive '%j' is not "
+                             "compatible with ISO year directive '%G'. "
+                             "Use '%Y' instead.")
+    elif week_of_year is None and iso_week is not None:
+        if weekday is None:
+            raise ValueError("ISO week directive '%V' must be used with "
+                             "the ISO year directive '%G' and a weekday "
+                             "directive ('%A', '%a', '%w', or '%u').")
+        else:
+            raise ValueError("ISO week directive '%V' is incompatible with "
+                             "the year directive '%Y'. Use the ISO year '%G' "
+                             "instead.")
+
+    leap_year_fix = False
+    if year is None and month == 2 and day == 29:
+        year = 1904  # 1904 is first leap year of 20th century
+        leap_year_fix = True
+    elif year is None:
+        year = 1900
+
+
+    # If we know the week of the year and what day of that week, we can figure
+    # out the Julian day of the year.
+    if julian is None and weekday is not None:
+        if week_of_year is not None:
+            week_starts_Mon = True if week_of_year_start == 0 else False
+            julian = _calc_julian_from_U_or_W(year, week_of_year, weekday,
+                                                week_starts_Mon)
+        elif iso_year is not None and iso_week is not None:
+            year, julian = _calc_julian_from_V(iso_year, iso_week, weekday + 1)
+        if julian is not None and julian <= 0:
+            year -= 1
+            yday = 366 if calendar.isleap(year) else 365
+            julian += yday
+
+    if julian is None:
+        # Cannot pre-calculate datetime_date() since can change in Julian
+        # calculation and thus could have different value for the day of
+        # the week calculation.
+        # Need to add 1 to result since first day of the year is 1, not 0.
+        julian = datetime_date(year, month, day).toordinal() - \
+                  datetime_date(year, 1, 1).toordinal() + 1
+    else:  # Assume that if they bothered to include Julian day (or if it was
+           # calculated above with year/week/weekday) it will be accurate.
+        datetime_result = datetime_date.fromordinal(
+                            (julian - 1) +
+                            datetime_date(year, 1, 1).toordinal())
+        year = datetime_result.year
+        month = datetime_result.month
+        day = datetime_result.day
+    if weekday is None:
+        weekday = datetime_date(year, month, day).weekday()
+    # Add timezone info
+    tzname = found_dict.get("Z")
+
+    if leap_year_fix:
+        # the caller didn't supply a year but asked for Feb 29th. We couldn't
+        # use the default of 1900 for computations. We set it back to ensure
+        # that February 29th is smaller than March 1st.
+        year = 1900
+
+    return (year, month, day,
+            hour, minute, second,
+            weekday, julian, tz, tzname, gmtoff), fraction, gmtoff_fraction
+
+def _strptime_time(data_string, format="%a %b %d %H:%M:%S %Y"):
+    """Return a time struct based on the input string and the
+    format string."""
+    tt = _strptime(data_string, format)[0]
+    return time.struct_time(tt[:time._STRUCT_TM_ITEMS])
+
+def _strptime_datetime(cls, data_string, format="%a %b %d %H:%M:%S %Y"):
+    """Return a class cls instance based on the input string and the
+    format string."""
+    tt, fraction, gmtoff_fraction = _strptime(data_string, format)
+    tzname, gmtoff = tt[-2:]
+    args = tt[:6] + (fraction,)
+    if gmtoff is not None:
+        tzdelta = datetime_timedelta(seconds=gmtoff, microseconds=gmtoff_fraction)
+        if tzname:
+            tz = datetime_timezone(tzdelta, tzname)
+        else:
+            tz = datetime_timezone(tzdelta)
+        args += (tz,)
+
+    return cls(*args)

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sysconfigdata__linux_x86_64-linux-gnu.py

@@ -0,0 +1,692 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 'ar',
+ 'ARFLAGS': 'rc',
+ 'BASECFLAGS': '-Wsign-compare',
+ 'BASECPPFLAGS': '',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/workspace/anaconda3/bin',
+ 'BINLIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'BLDLIBRARY': '-L. -lpython3.8',
+ 'BLDSHARED': 'gcc -pthread -shared -B /workspace/anaconda3/compiler_compat '
+              '-L/workspace/anaconda3/lib '
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+            'Modules/bytesio.o Modules/bufferedio.o Modules/textio.o '
+            'Modules/stringio.o  Modules/zipimport.o  Modules/faulthandler.o  '
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+ 'MULTIARCH': 'x86_64-linux-gnu',
+ 'MULTIARCH_CPPFLAGS': '-DMULTIARCH=\\"x86_64-linux-gnu\\"',
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+ 'NO_AS_NEEDED': '-Wl,--no-as-needed',
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+ 'PGENOBJS': '\\ \\',
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+ 'PGO_PROF_GEN_FLAG': '-fprofile-generate',
+ 'PGO_PROF_USE_FLAG': '-fprofile-use -fprofile-correction',
+ 'PLATDIR': '',
+ 'POBJS': '\\',
+ 'POSIX_SEMAPHORES_NOT_ENABLED': 0,
+ 'PROFILE_TASK': '-m test.regrtest --pgo',
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+ 'PY_CFLAGS': '-Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall '
+              '-Wstrict-prototypes',
+ 'PY_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-parameter '
+                     '-Wno-missing-field-initializers',
+ 'PY_CORE_CFLAGS': '-Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall '
+                   '-Wstrict-prototypes -std=c99 -Wextra -Wno-unused-parameter '
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+                   '-I/workspace/anaconda3/include '
+                   '-fPIC -DPy_BUILD_CORE',
+ 'PY_CPPFLAGS': '-I. -I./Include '
+                '-I/workspace/anaconda3/include',
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+ 'PY_LDFLAGS': '-L/workspace/anaconda3/lib '
+               '-Wl,-rpath=/workspace/anaconda3/lib -Wl,--no-as-needed '
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+ 'TCLTK_LIBS': '-L/workspace/anaconda3/lib '
+               '-ltcl8.6 -ltk8.6',
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+ 'TESTPATH': '',
+ 'TESTPYTHON': 'LD_LIBRARY_PATH=/workspace/anaconda3/../work/Python-3.8.18 '
+               './python',
+ 'TESTPYTHONOPTS': '',
+ 'TESTRUNNER': 'LD_LIBRARY_PATH=/workspace/anaconda3/../work/Python-3.8.18 '
+               './python ./Tools/scripts/run_tests.py',
+ 'TESTTIMEOUT': 1200,
+ 'THREADOBJ': 'Python/thread.o',
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+ 'X87_DOUBLE_ROUNDING': 0,
+ 'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',
+ 'abs_builddir': '/workspace/anaconda3/../work/Python-3.8.18',
+ 'abs_srcdir': '/workspace/anaconda3/../work/Python-3.8.18',
+ 'datarootdir': '/workspace/anaconda3/share',
+ 'exec_prefix': '/workspace/anaconda3',
+ 'prefix': '/workspace/anaconda3',
+ 'srcdir': '.'}

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sysconfigdata__linux_x86_64-linux-gnu.py.orig

@@ -0,0 +1,952 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ALT_SOABI': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 'x86_64-conda-linux-gnu-ar',
+ 'ARFLAGS': 'rcs',
+ 'BASECFLAGS': '-Wno-unused-result -Wsign-compare',
+ 'BASECPPFLAGS': '-IObjects -IInclude -IPython',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/workspace/anaconda3/bin',
+ 'BINLIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'BLDLIBRARY': 'libpython3.8.a',
+ 'BLDSHARED': 'x86_64-conda-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+              '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+              '-Wl,--disable-new-dtags -Wl,--gc-sections '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-Wl,-rpath-link,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+              '-Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-Wl,-rpath-link,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib',
+ 'BUILDEXE': '',
+ 'BUILDPYTHON': 'python',
+ 'BUILD_GNU_TYPE': 'x86_64-conda-linux-gnu',
+ 'BYTESTR_DEPS': '\\',
+ 'CC': 'x86_64-conda-linux-gnu-gcc -pthread',
+ 'CCSHARED': '-fPIC',
+ 'CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+           '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe '
+           '-isystem '
+           '/workspace/anaconda3/include '
+           '-fdebug-prefix-map=/croot/python-split_1694437953337/work=/usr/local/src/conda/python-3.8.18 '
+           '-fdebug-prefix-map=/workspace/anaconda3=/usr/local/src/conda-prefix '
+           '    '
+           '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe '
+           '-isystem '
+           '/workspace/anaconda3/include '
+           '-fdebug-prefix-map=/croot/python-split_1694437953337/work=/usr/local/src/conda/python-3.8.18 '
+           '-fdebug-prefix-map=/workspace/anaconda3=/usr/local/src/conda-prefix '
+           '   ',
+ 'CFLAGSFORSHARED': '',
+ 'CFLAGS_ALIASING': '',
+ 'CONFIGFILES': 'configure configure.ac acconfig.h pyconfig.h.in '
+                'Makefile.pre.in',
+ 'CONFIGURE_CFLAGS': '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 '
+                     '-ffunction-sections -pipe -isystem '
+                     '/workspace/anaconda3/include '
+                     '-fdebug-prefix-map=/croot/python-split_1694437953337/work=/usr/local/src/conda/python-3.8.18 '
+                     '-fdebug-prefix-map=/workspace/anaconda3=/usr/local/src/conda-prefix '
+                     '  '
+                     ' ',
+ 'CONFIGURE_CFLAGS_NODIST': '   '
+                            ' -g -std=c99 -Wextra '
+                            '-Wno-unused-result -Wno-unused-parameter '
+                            '-Wno-missing-field-initializers '
+                            '-Werror=implicit-function-declaration',
+ 'CONFIGURE_CPPFLAGS': '-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem '
+                       '/workspace/anaconda3/include '
+                       '-I/workspace/anaconda3/include',
+ 'CONFIGURE_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+                      '-Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections '
+                      '-Wl,-rpath,/workspace/anaconda3/lib '
+                      '-Wl,-rpath-link,/workspace/anaconda3/lib '
+                      '-L/workspace/anaconda3/lib',
+ 'CONFIGURE_LDFLAGS_NODIST': '   '
+                             ' -g',
+ 'CONFIG_ARGS': "'--prefix=/workspace/anaconda3' "
+                "'--build=x86_64-conda-linux-gnu' "
+                "'--host=x86_64-conda-linux-gnu' '--enable-ipv6' "
+                "'--with-ensurepip=no' '--with-computed-gotos' "
+                "'--with-system-ffi' '--enable-loadable-sqlite-extensions' "
+                "'--with-openssl=/workspace/anaconda3' "
+                "'--with-tcltk-includes=-I/workspace/anaconda3/include' "
+                "'--with-tcltk-libs=-L/workspace/anaconda3/lib "
+                "-ltcl8.6 -ltk8.6' '--with-lto' '--enable-optimizations' "
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+                "'--disable-shared' 'PROFILE_TASK=-m test --pgo' "
+                "'build_alias=x86_64-conda-linux-gnu' "
+                "'host_alias=x86_64-conda-linux-gnu' 'MACHDEP=linux' "
+                "'CC=x86_64-conda-linux-gnu-gcc' 'CFLAGS=-march=nocona "
+                '-mtune=haswell -ftree-vectorize -fPIC '
+                '-fstack-protector-strong -fno-plt -O2 -ffunction-sections '
+                '-pipe -isystem '
+                '/workspace/anaconda3/include '
+                '-fdebug-prefix-map=/croot/python-split_1694437953337/work=/usr/local/src/conda/python-3.8.18 '
+                '-fdebug-prefix-map=/workspace/anaconda3=/usr/local/src/conda-prefix '
+                '   '
+                "' 'LDFLAGS=-Wl,-O2 -Wl,--sort-common -Wl,--as-needed "
+                '-Wl,-z,relro -Wl,-z,now -Wl,--disable-new-dtags '
+                '-Wl,--gc-sections '
+                '-Wl,-rpath,/workspace/anaconda3/lib '
+                '-Wl,-rpath-link,/workspace/anaconda3/lib '
+                "-L/workspace/anaconda3/lib' "
+                "'CPPFLAGS=-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem "
+                '/workspace/anaconda3/include '
+                "-I/workspace/anaconda3/include' "
+                "'CPP=/croot/python-split_1694437953337/_build_env/bin/x86_64-conda-linux-gnu-cpp' "
+                "'PKG_CONFIG_PATH=/workspace/anaconda3/lib/pkgconfig'",
+ 'CONFINCLUDEDIR': '/workspace/anaconda3/include',
+ 'CONFINCLUDEPY': '/workspace/anaconda3/include/python3.8',
+ 'COREPYTHONPATH': '',
+ 'COVERAGE_INFO': '/croot/python-split_1694437953337/work/build-static/coverage.info',
+ 'COVERAGE_REPORT': '/croot/python-split_1694437953337/work/build-static/lcov-report',
+ 'COVERAGE_REPORT_OPTIONS': '--no-branch-coverage --title "CPython lcov '
+                            'report"',
+ 'CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+             '-I/croot/python-split_1694437953337/work/Include -DNDEBUG '
+             '-D_FORTIFY_SOURCE=2 -O2 -isystem '
+             '/workspace/anaconda3/include '
+             '-I/workspace/anaconda3/include '
+             '-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem '
+             '/workspace/anaconda3/include '
+             '-I/workspace/anaconda3/include',
+ 'CXX': 'x86_64-conda-linux-gnu-c++ -pthread',
+ 'DESTDIRS': '/workspace/anaconda3 '
+             '/workspace/anaconda3/lib '
+             '/workspace/anaconda3/lib/python3.8 '
+             '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DESTLIB': '/workspace/anaconda3/lib/python3.8',
+ 'DESTPATH': '',
+ 'DESTSHARED': '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DFLAGS': '',
+ 'DIRMODE': 755,
+ 'DIST': 'README.rst ChangeLog configure configure.ac acconfig.h pyconfig.h.in '
+         'Makefile.pre.in Include Lib Misc Ext-dummy',
+ 'DISTDIRS': 'Include Lib Misc Ext-dummy',
+ 'DISTFILES': 'README.rst ChangeLog configure configure.ac acconfig.h '
+              'pyconfig.h.in Makefile.pre.in',
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+ 'DYNLOADFILE': 'dynload_shlib.o',
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+                '-D_FORTIFY_SOURCE=2 -O2 -isystem '
+                '/workspace/anaconda3/include '
+                '-I/workspace/anaconda3/include '
+                '-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem '
+                '/workspace/anaconda3/include '
+                '-I/workspace/anaconda3/include',
+ 'PY_FORMAT_SIZE_T': '"z"',
+ 'PY_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-Wl,-rpath-link,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-Wl,-rpath-link,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib',
+ 'PY_LDFLAGS_NODIST': '   '
+                      ' -g',
+ 'PY_SSL_DEFAULT_CIPHERS': 1,
+ 'PY_SSL_DEFAULT_CIPHER_STRING': 0,
+ 'PY_STDMODULE_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv '
+                        '-O2 -Wall -march=nocona -mtune=haswell '
+                        '-ftree-vectorize -fPIC -fstack-protector-strong '
+                        '-fno-plt -O2 -ffunction-sections -pipe -isystem '
+                        '/workspace/anaconda3/include '
+                        '-fdebug-prefix-map=/croot/python-split_1694437953337/work=/usr/local/src/conda/python-3.8.18 '
+                        '-fdebug-prefix-map=/workspace/anaconda3=/usr/local/src/conda-prefix '
+                        '  '
+                        '  -march=nocona '
+                        '-mtune=haswell -ftree-vectorize -fPIC '
+                        '-fstack-protector-strong -fno-plt -O2 '
+                        '-ffunction-sections -pipe -isystem '
+                        '/workspace/anaconda3/include '
+                        '-fdebug-prefix-map=/croot/python-split_1694437953337/work=/usr/local/src/conda/python-3.8.18 '
+                        '-fdebug-prefix-map=/workspace/anaconda3=/usr/local/src/conda-prefix '
+                        '  '
+                        '    '
+                        '  -g -std=c99 '
+                        '-Wextra -Wno-unused-result -Wno-unused-parameter '
+                        '-Wno-missing-field-initializers '
+                        '-Werror=implicit-function-declaration  '
+                        ' '
+                        '-I/croot/python-split_1694437953337/work/Include/internal '
+                        '-IObjects -IInclude -IPython -I. '
+                        '-I/croot/python-split_1694437953337/work/Include '
+                        '-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem '
+                        '/workspace/anaconda3/include '
+                        '-I/workspace/anaconda3/include '
+                        '-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem '
+                        '/workspace/anaconda3/include '
+                        '-I/workspace/anaconda3/include',
+ 'Py_DEBUG': 0,
+ 'Py_ENABLE_SHARED': 0,
+ 'Py_HASH_ALGORITHM': 0,
+ 'Py_TRACE_REFS': 0,
+ 'QUICKTESTOPTS': '-x test_subprocess test_io test_lib2to3 \\',
+ 'READELF': 'x86_64-conda-linux-gnu-readelf',
+ 'RESSRCDIR': 'Mac/Resources/framework',
+ 'RETSIGTYPE': 'void',
+ 'RUNSHARED': '',
+ 'SCRIPTDIR': '/workspace/anaconda3/lib',
+ 'SETPGRP_HAVE_ARG': 0,
+ 'SGI_ABI': '@SGI_ABI@',
+ 'SHELL': '/bin/sh',
+ 'SHLIBS': '-lcrypt -lpthread -ldl  -lutil -lm',
+ 'SHLIB_SUFFIX': '.so',
+ 'SHM_NEEDS_LIBRT': 1,
+ 'SIGNED_RIGHT_SHIFT_ZERO_FILLS': 0,
+ 'SITEPATH': '',
+ 'SIZEOF_DOUBLE': 8,
+ 'SIZEOF_FLOAT': 4,
+ 'SIZEOF_FPOS_T': 16,
+ 'SIZEOF_INT': 4,
+ 'SIZEOF_LONG': 8,
+ 'SIZEOF_LONG_DOUBLE': 16,
+ 'SIZEOF_LONG_LONG': 8,
+ 'SIZEOF_OFF_T': 8,
+ 'SIZEOF_PID_T': 4,
+ 'SIZEOF_PTHREAD_KEY_T': 4,
+ 'SIZEOF_PTHREAD_T': 8,
+ 'SIZEOF_SHORT': 2,
+ 'SIZEOF_SIZE_T': 8,
+ 'SIZEOF_TIME_T': 8,
+ 'SIZEOF_UINTPTR_T': 8,
+ 'SIZEOF_VOID_P': 8,
+ 'SIZEOF_WCHAR_T': 4,
+ 'SIZEOF__BOOL': 1,
+ 'SOABI': 'cpython-38-x86_64-linux-gnu',
+ 'SRCDIRS': 'Parser Objects Python Modules Modules/_io Programs',
+ 'SRC_GDB_HOOKS': '/croot/python-split_1694437953337/work/Tools/gdb/libpython.py',
+ 'STDC_HEADERS': 1,
+ 'STRICT_SYSV_CURSES': "/* Don't use ncurses extensions */",
+ 'STRIPFLAG': '-s',
+ 'SUBDIRS': '',
+ 'SUBDIRSTOO': 'Include Lib Misc',
+ 'SYSLIBS': '-lm',
+ 'SYS_SELECT_WITH_SYS_TIME': 1,
+ 'TCLTK_INCLUDES': '-I/workspace/anaconda3/include',
+ 'TCLTK_LIBS': '-L/workspace/anaconda3/lib '
+               '-ltcl8.6 -ltk8.6',
+ 'TESTOPTS': '',
+ 'TESTPATH': '',
+ 'TESTPYTHON': './python',
+ 'TESTPYTHONOPTS': '',
+ 'TESTRUNNER': './python '
+               '/croot/python-split_1694437953337/work/Tools/scripts/run_tests.py',
+ 'TESTTIMEOUT': 1200,
+ 'TIMEMODULE_LIB': 0,
+ 'TIME_WITH_SYS_TIME': 1,
+ 'TM_IN_SYS_TIME': 0,
+ 'UNICODE_DEPS': '\\',
+ 'UNIVERSALSDK': '',
+ 'UPDATE_FILE': 'python3 '
+                '/croot/python-split_1694437953337/work/Tools/scripts/update_file.py',
+ 'USE_COMPUTED_GOTOS': 1,
+ 'VERSION': '3.8',
+ 'VPATH': '/croot/python-split_1694437953337/work',
+ 'WINDOW_HAS_FLAGS': 1,
+ 'WITH_DECIMAL_CONTEXTVAR': 1,
+ 'WITH_DOC_STRINGS': 1,
+ 'WITH_DTRACE': 0,
+ 'WITH_DYLD': 0,
+ 'WITH_LIBINTL': 0,
+ 'WITH_NEXT_FRAMEWORK': 0,
+ 'WITH_PYMALLOC': 1,
+ 'WITH_VALGRIND': 0,
+ 'X87_DOUBLE_ROUNDING': 0,
+ 'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',
+ 'abs_builddir': '/croot/python-split_1694437953337/work/build-static',
+ 'abs_srcdir': '/croot/python-split_1694437953337/work',
+ 'datarootdir': '/workspace/anaconda3/share',
+ 'exec_prefix': '/workspace/anaconda3',
+ 'prefix': '/workspace/anaconda3',
+ 'srcdir': '/croot/python-split_1694437953337/work'}

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sysconfigdata_aarch64_conda_linux_gnu.py

@@ -0,0 +1,805 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 'aarch64-conda-linux-gnu-ar',
+ 'ARFLAGS': 'rc',
+ 'BASECFLAGS': '-Wno-unused-result -Wsign-compare',
+ 'BASECPPFLAGS': '-IObjects -IInclude -IPython',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/workspace/anaconda3/bin',
+ 'BINLIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'BLDLIBRARY': 'libpython3.8.a',
+ 'BLDSHARED': 'aarch64-conda-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+              '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+              '-Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '   '
+              '',
+ 'BUILDEXE': '',
+ 'BUILDPYTHON': 'python',
+ 'BUILD_GNU_TYPE': 'aarch64-conda-linux-gnu',
+ 'BYTESTR_DEPS': '\\',
+ 'CC': 'aarch64-conda-linux-gnu-gcc -pthread',
+ 'CCSHARED': '-fPIC',
+ 'CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+           '-Wstrict-prototypes -ftree-vectorize '
+           '-fPIC -fstack-protector-strong -fno-plt -O2 -pipe '
+           '-ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -pipe '
+           '',
+ 'CFLAGSFORSHARED': '',
+ 'CFLAGS_ALIASING': '',
+ 'CONFIGFILES': 'configure configure.ac acconfig.h pyconfig.h.in '
+                'Makefile.pre.in',
+ 'CONFIGURE_CFLAGS': '-ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 -pipe ',
+ 'CONFIGURE_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                            '-Wno-unused-parameter '
+                            '-Wno-missing-field-initializers',
+ 'CONFIGURE_CPPFLAGS': '-D_FORTIFY_SOURCE=2 -O2 '
+                       '-I/workspace/anaconda3/include',
+ 'CONFIGURE_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+                      '-Wl,-z,now '
+                      '-Wl,-rpath,/workspace/anaconda3/lib '
+                      '-L/workspace/anaconda3/lib',
+ 'CONFIG_ARGS': "'--prefix=/workspace/anaconda3' "
+                "'--build=aarch64-conda-linux-gnu' "
+                "'--host=aarch64-conda-linux-gnu' '--enable-ipv6' "
+                "'--with-ensurepip=no' '--with-computed-gotos' "
+                "'--with-system-ffi' '--enable-loadable-sqlite-extensions' "
+                "'--with-tcltk-includes=-I/workspace/anaconda3/include' "
+                "'--with-tcltk-libs=-L/workspace/anaconda3/lib "
+                "-ltcl8.6 -ltk8.6' '--enable-optimizations' '--with-lto' "
+                "'--disable-shared' "
+                "'build_alias=aarch64-conda-linux-gnu' "
+                "'host_alias=aarch64-conda-linux-gnu' "
+                "'CC=aarch64-conda-linux-gnu-gcc' "
+                "'CFLAGS=-ftree-vectorize -fPIC "
+                '-fstack-protector-strong -fno-plt -O2 '
+                '-pipe    '
+                '   '
+                " ' 'LDFLAGS=-Wl,-O2 "
+                '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+                '-Wl,-rpath,/workspace/anaconda3/lib '
+                "-L/workspace/anaconda3/lib' "
+                "'CPPFLAGS=-D_FORTIFY_SOURCE=2 -O2 "
+                "-I/workspace/anaconda3/include' "
+                "'CPP=/workspace/anaconda3/bin/aarch64-conda-linux-gnu-cpp' "
+                "'PKG_CONFIG_PATH=/workspace/anaconda3/lib/pkgconfig'",
+ 'CONFINCLUDEDIR': '/workspace/anaconda3/include',
+ 'CONFINCLUDEPY': '/workspace/anaconda3/include/python3.8',
+ 'COREPYTHONPATH': ':',
+ 'COVERAGE_INFO': '/opt/conda/conda-bld/python_1512347718438/work/build-static/coverage.info',
+ 'COVERAGE_REPORT': '/opt/conda/conda-bld/python_1512347718438/work/build-static/lcov-report',
+ 'COVERAGE_REPORT_OPTIONS': '--no-branch-coverage --title "CPython lcov '
+                            'report"',
+ 'CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+             '-I/opt/conda/conda-bld/python_1512347718438/work/Include '
+             '-D_FORTIFY_SOURCE=2 -O2 '
+             '-I/workspace/anaconda3/include '
+             '-D_FORTIFY_SOURCE=2 -O2 '
+             '-I/workspace/anaconda3/include',
+ 'CXX': 'aarch64-conda-linux-gnu-c++ -pthread',
+ 'DESTDIRS': '/workspace/anaconda3 '
+             '/workspace/anaconda3/lib '
+             '/workspace/anaconda3/lib/python3.8 '
+             '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DESTLIB': '/workspace/anaconda3/lib/python3.8',
+ 'DESTPATH': '',
+ 'DESTSHARED': '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DFLAGS': '',
+ 'DIRMODE': 755,
+ 'DIST': 'README ChangeLog configure configure.ac acconfig.h pyconfig.h.in '
+         'Makefile.pre.in Include Lib Misc Ext-dummy',
+ 'DISTDIRS': 'Include Lib Misc Ext-dummy',
+ 'DISTFILES': 'README ChangeLog configure configure.ac acconfig.h '
+              'pyconfig.h.in Makefile.pre.in',
+ 'DLINCLDIR': '.',
+ 'DLLLIBRARY': '',
+ 'DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_BIG_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_LITTLE_ENDIAN_IEEE754': 1,
+ 'DTRACE': '',
+ 'DTRACE_DEPS': '\\',
+ 'DTRACE_HEADERS': '',
+ 'DTRACE_OBJS': '',
+ 'DYNLOADFILE': 'dynload_shlib.o',
+ 'ENABLE_IPV6': 1,
+ 'ENSUREPIP': 'no',
+ 'EXE': '',
+ 'EXEMODE': 755,
+ 'EXTRAMACHDEPPATH': '',
+ 'EXTRATESTOPTS': '',
+ 'EXT_SUFFIX': '.cpython-38-aarch64-linux-gnu.so',
+ 'FILEMODE': 644,
+ 'FLOCK_NEEDS_LIBBSD': 0,
+ 'GETPGRP_HAVE_ARG': 0,
+ 'GETTIMEOFDAY_NO_TZ': 0,
+ 'GITBRANCH': '',
+ 'GITTAG': '',
+ 'GITVERSION': '',
+ 'GNULD': 'yes',
+ 'HAVE_ACCEPT4': 1,
+ 'HAVE_ACOSH': 1,
+ 'HAVE_ADDRINFO': 1,
+ 'HAVE_ALARM': 1,
+ 'HAVE_ALIGNED_REQUIRED': 1,
+ 'HAVE_ALLOCA_H': 1,
+ 'HAVE_ALTZONE': 0,
+ 'HAVE_ASINH': 1,
+ 'HAVE_ASM_TYPES_H': 1,
+ 'HAVE_ATANH': 1,
+ 'HAVE_BIND_TEXTDOMAIN_CODESET': 1,
+ 'HAVE_BLUETOOTH_BLUETOOTH_H': 0,
+ 'HAVE_BLUETOOTH_H': 0,
+ 'HAVE_BROKEN_MBSTOWCS': 0,
+ 'HAVE_BROKEN_NICE': 0,
+ 'HAVE_BROKEN_PIPE_BUF': 0,
+ 'HAVE_BROKEN_POLL': 0,
+ 'HAVE_BROKEN_POSIX_SEMAPHORES': 0,
+ 'HAVE_BROKEN_PTHREAD_SIGMASK': 0,
+ 'HAVE_BROKEN_SEM_GETVALUE': 1,
+ 'HAVE_BROKEN_UNSETENV': 0,
+ 'HAVE_BUILTIN_ATOMIC': 1,
+ 'HAVE_CHFLAGS': 0,
+ 'HAVE_CHOWN': 1,
+ 'HAVE_CHROOT': 1,
+ 'HAVE_CLOCK': 1,
+ 'HAVE_CLOCK_GETRES': 1,
+ 'HAVE_CLOCK_GETTIME': 1,
+ 'HAVE_CLOCK_SETTIME': 1,
+ 'HAVE_COMPUTED_GOTOS': 1,
+ 'HAVE_CONFSTR': 1,
+ 'HAVE_CONIO_H': 0,
+ 'HAVE_COPYSIGN': 1,
+ 'HAVE_CTERMID': 1,
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+ 'HAVE_SYS_KERN_CONTROL_H': 0,
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+ 'HAVE_SYS_STAT_H': 1,
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+ 'HAVE_SYS_SYSMACROS_H': 1,
+ 'HAVE_SYS_SYS_DOMAIN_H': 0,
+ 'HAVE_SYS_TERMIO_H': 0,
+ 'HAVE_SYS_TIMES_H': 1,
+ 'HAVE_SYS_TIME_H': 1,
+ 'HAVE_SYS_TYPES_H': 1,
+ 'HAVE_SYS_UIO_H': 1,
+ 'HAVE_SYS_UN_H': 1,
+ 'HAVE_SYS_UTSNAME_H': 1,
+ 'HAVE_SYS_WAIT_H': 1,
+ 'HAVE_SYS_XATTR_H': 1,
+ 'HAVE_TCGETPGRP': 1,
+ 'HAVE_TCSETPGRP': 1,
+ 'HAVE_TEMPNAM': 1,
+ 'HAVE_TERMIOS_H': 1,
+ 'HAVE_TERM_H': 1,
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+ 'HAVE_TIMEGM': 1,
+ 'HAVE_TIMES': 1,
+ 'HAVE_TMPFILE': 1,
+ 'HAVE_TMPNAM': 1,
+ 'HAVE_TMPNAM_R': 1,
+ 'HAVE_TM_ZONE': 1,
+ 'HAVE_TRUNCATE': 1,
+ 'HAVE_TZNAME': 0,
+ 'HAVE_UCS4_TCL': 0,
+ 'HAVE_UNAME': 1,
+ 'HAVE_UNISTD_H': 1,
+ 'HAVE_UNLINKAT': 1,
+ 'HAVE_UNSETENV': 1,
+ 'HAVE_USABLE_WCHAR_T': 0,
+ 'HAVE_UTIL_H': 0,
+ 'HAVE_UTIMENSAT': 1,
+ 'HAVE_UTIMES': 1,
+ 'HAVE_UTIME_H': 1,
+ 'HAVE_UUID_CREATE': 0,
+ 'HAVE_UUID_ENC_BE': 0,
+ 'HAVE_UUID_GENERATE_TIME_SAFE': 0,
+ 'HAVE_UUID_H': 0,
+ 'HAVE_UUID_UUID_H': 0,
+ 'HAVE_WAIT3': 1,
+ 'HAVE_WAIT4': 1,
+ 'HAVE_WAITID': 1,
+ 'HAVE_WAITPID': 1,
+ 'HAVE_WCHAR_H': 1,
+ 'HAVE_WCSCOLL': 1,
+ 'HAVE_WCSFTIME': 1,
+ 'HAVE_WCSXFRM': 1,
+ 'HAVE_WMEMCMP': 1,
+ 'HAVE_WORKING_TZSET': 0,
+ 'HAVE_WRITEV': 1,
+ 'HAVE_X509_VERIFY_PARAM_SET1_HOST': 1,
+ 'HAVE_ZLIB_COPY': 1,
+ 'HAVE__GETPTY': 0,
+ 'HOST_GNU_TYPE': 'aarch64-conda-linux-gnu',
+ 'INCLDIRSTOMAKE': '/workspace/anaconda3/include '
+                   '/workspace/anaconda3/include '
+                   '/workspace/anaconda3/include/python3.8 '
+                   '/workspace/anaconda3/include/python3.8',
+ 'INCLUDEDIR': '/workspace/anaconda3/include',
+ 'INCLUDEPY': '/workspace/anaconda3/include/python3.8',
+ 'INSTALL': '/usr/bin/install -c',
+ 'INSTALL_DATA': '/usr/bin/install -c -m 644',
+ 'INSTALL_PROGRAM': '/usr/bin/install -c',
+ 'INSTALL_SCRIPT': '/usr/bin/install -c',
+ 'INSTALL_SHARED': '/usr/bin/install -c -m 555',
+ 'INSTSONAME': 'libpython3.8.a',
+ 'IO_H': 'Modules/_io/_iomodule.h',
+ 'IO_OBJS': '\\',
+ 'LDCXXSHARED': 'aarch64-conda-linux-gnu-c++ -pthread -shared',
+ 'LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+            '-Wl,-rpath,/workspace/anaconda3/lib '
+            '-L/workspace/anaconda3/lib '
+            '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+            '-Wl,-rpath,/workspace/anaconda3/lib '
+            '-L/workspace/anaconda3/lib '
+            '   ',
+ 'LDLAST': '',
+ 'LDLIBRARY': 'libpython3.8.a',
+ 'LDLIBRARYDIR': '',
+ 'LDSHARED': 'aarch64-conda-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+             '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+             '-Wl,-rpath,/workspace/anaconda3/lib '
+             '-L/workspace/anaconda3/lib '
+             '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+             '-Wl,-z,now '
+             '-Wl,-rpath,/workspace/anaconda3/lib '
+             '-L/workspace/anaconda3/lib '
+             '   ',
+ 'LDVERSION': '3.8',
+ 'LIBC': '',
+ 'LIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'LIBDIR': '/workspace/anaconda3/lib',
+ 'LIBFFI_INCLUDEDIR': '/workspace/anaconda3/include',
+ 'LIBM': '-lm',
+ 'LIBOBJDIR': 'Python/',
+ 'LIBOBJS': '',
+ 'LIBPC': '/workspace/anaconda3/lib/pkgconfig',
+ 'LIBPL':
+     '/workspace/anaconda3/lib/python3.8/config-3.8-aarch64-linux-gnu',
+ 'LIBRARY': 'libpython3.8.a',
+ 'LIBRARY_OBJS': '\\',
+ 'LIBRARY_OBJS_OMIT_FROZEN': '\\',
+ 'LIBS': '-lpthread -ldl  -lutil',
+ 'LIBSUBDIRS': 'tkinter tkinter/test tkinter/test/test_tkinter \\',
+ 'LINKCC': 'aarch64-conda-linux-gnu-gcc -pthread',
+ 'LINKFORSHARED': '-Xlinker -export-dynamic',
+ 'LIPO_32BIT_FLAGS': '',
+ 'LLVM_PROF_ERR': 'no',
+ 'LLVM_PROF_FILE': '',
+ 'LLVM_PROF_MERGER': 'true',
+ 'LN': 'ln',
+ 'LOCALMODLIBS': '',
+ 'LOG1P_DROPS_ZERO_SIGN': 0,
+ 'MACHDEP': 'linux',
+ 'MACHDEPPATH': ':',
+ 'MACHDEP_OBJS': '',
+ 'MACHDESTLIB': '/workspace/anaconda3/lib/python3.8',
+ 'MACOSX_DEPLOYMENT_TARGET': '',
+ 'MAINCC': 'aarch64-conda-linux-gnu-gcc -pthread',
+ 'MAJOR_IN_MKDEV': 0,
+ 'MAJOR_IN_SYSMACROS': 0,
+ 'MAKESETUP': '/opt/conda/conda-bld/python_1512347718438/work/Modules/makesetup',
+ 'MANDIR': '/workspace/anaconda3/share/man',
+ 'MKDIR_P': '/usr/bin/mkdir -p',
+ 'MODBUILT_NAMES': 'posix  errno  pwd  _sre  _codecs  _weakref  _functools  '
+                   '_operator  _collections  _abc  itertools  atexit  _signal  '
+                   '_stat  time  _thread  _locale  _io  zipimport  '
+                   'faulthandler  _tracemalloc  _symtable  xxsubtype',
+ 'MODDISABLED_NAMES': '',
+ 'MODLIBS': '',
+ 'MODOBJS': 'Modules/posixmodule.o  Modules/errnomodule.o  '
+            'Modules/pwdmodule.o  Modules/_sre.o  Modules/_codecsmodule.o  '
+            'Modules/_weakref.o  Modules/_functoolsmodule.o  '
+            'Modules/_operator.o  Modules/_collectionsmodule.o  '
+            'Modules/_abc.o  Modules/itertoolsmodule.o  '
+            'Modules/atexitmodule.o  Modules/signalmodule.o  Modules/_stat.o  '
+            'Modules/timemodule.o  Modules/_threadmodule.o  '
+            'Modules/_localemodule.o  Modules/_iomodule.o Modules/iobase.o '
+            'Modules/fileio.o Modules/bytesio.o Modules/bufferedio.o '
+            'Modules/textio.o Modules/stringio.o  Modules/zipimport.o  '
+            'Modules/faulthandler.o  Modules/_tracemalloc.o '
+            'Modules/hashtable.o  Modules/symtablemodule.o  '
+            'Modules/xxsubtype.o',
+ 'MODULE_OBJS': '\\',
+ 'MULTIARCH': 'aarch64-linux-gnu',
+ 'MULTIARCH_CPPFLAGS': '-DMULTIARCH=\\"aarch64-linux-gnu\\"',
+ 'MVWDELCH_IS_EXPRESSION': 1,
+ 'NO_AS_NEEDED': '-Wl,--no-as-needed',
+ 'OPENSSL_INCLUDES': '-I/workspace/anaconda3/include',
+ 'OPENSSL_LDFLAGS': '-L/workspace/anaconda3/lib',
+ 'OPENSSL_LIBS': '-lssl -lcrypto',
+ 'OBJECT_OBJS': '\\',
+ 'OPT': '-DNDEBUG -fwrapv -O2 -Wall -Wstrict-prototypes',
+ 'OTHER_LIBTOOL_OPT': '',
+ 'PACKAGE_BUGREPORT': 0,
+ 'PACKAGE_NAME': 0,
+ 'PACKAGE_STRING': 0,
+ 'PACKAGE_TARNAME': 0,
+ 'PACKAGE_URL': 0,
+ 'PACKAGE_VERSION': 0,
+ 'PARSER_HEADERS': '\\',
+ 'PARSER_OBJS': '\\ Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o',
+ 'PGEN': 'Parser/pgen',
+ 'PGENOBJS': '\\ \\',
+ 'PGOBJS': '\\',
+ 'PGO_PROF_GEN_FLAG': '-fprofile-generate',
+ 'PGO_PROF_USE_FLAG': ' ',
+ 'PLATDIR': '',
+ 'POBJS': '\\',
+ 'POSIX_SEMAPHORES_NOT_ENABLED': 0,
+ 'PROFILE_TASK': '-m test.regrtest --pgo',
+ 'PTHREAD_KEY_T_IS_COMPATIBLE_WITH_INT': 1,
+ 'PTHREAD_SYSTEM_SCHED_SUPPORTED': 0,
+ 'PURIFY': '',
+ 'PY3LIBRARY': '',
+ 'PYLONG_BITS_IN_DIGIT': 0,
+ 'PYTHON': 'python',
+ 'PYTHONFRAMEWORK': '',
+ 'PYTHONFRAMEWORKDIR': 'no-framework',
+ 'PYTHONFRAMEWORKINSTALLDIR': '',
+ 'PYTHONFRAMEWORKPREFIX': '',
+ 'PYTHONPATH': ':',
+ 'PYTHON_FOR_BUILD': './python -E',
+ 'PYTHON_FOR_REGEN': 'python3.8',
+ 'PYTHON_HEADERS': '\\',
+ 'PYTHON_OBJS': '\\',
+ 'PY_BUILD_ENVIRON': '',
+ 'PY_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+              '-Wstrict-prototypes '
+              '-ftree-vectorize -fPIC -fstack-protector-strong '
+              '-fno-plt -O2 '
+              '-pipe    '
+              '   '
+              '-ftree-vectorize -fPIC '
+              '-fstack-protector-strong -fno-plt -O2 '
+              '-pipe    '
+              ' ',
+ 'PY_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                     '-Wno-unused-parameter -Wno-missing-field-initializers '
+                     ' '
+                     '-ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 '
+                     '-pipe    '
+                     '   '
+                     '   '
+                     ' ',
+ 'PY_COERCE_C_LOCALE': 1,
+ 'PY_CORE_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 '
+                   '-Wall -Wstrict-prototypes '
+                   '-ftree-vectorize -fPIC '
+                   '-fstack-protector-strong -fno-plt -O2 '
+                   '-pipe    '
+                   '   '
+                   '-ftree-vectorize -fPIC '
+                   '-fstack-protector-strong -fno-plt -O2 '
+                   '-pipe    '
+                   '  -std=c99 -Wextra '
+                   '-Wno-unused-result -Wno-unused-parameter '
+                   '-Wno-missing-field-initializers  '
+                   '-ftree-vectorize -fPIC '
+                   '-fstack-protector-strong -fno-plt -O2 '
+                   '-pipe    '
+                   '   '
+                   '   '
+                   '  -IObjects -IInclude '
+                   '-IPython -I. '
+                   '-I/opt/conda/conda-bld/python_1512347718438/work/Include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include  '
+                   '-DPy_BUILD_CORE',
+ 'PY_CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+                '-I/opt/conda/conda-bld/python_1512347718438/work/Include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include',
+ 'PY_FORMAT_SIZE_T': '"z"',
+ 'PY_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '   '
+               '',
+ 'PY_SSL_DEFAULT_CIPHERS': 1,
+ 'PY_SSL_DEFAULT_CIPHER_STRING': 0,
+ 'PY_WARN_ON_C_LOCALE': 1,
+ 'Py_DEBUG': 0,
+ 'Py_ENABLE_SHARED': 0,
+ 'Py_HASH_ALGORITHM': 0,
+ 'QUICKTESTOPTS': '-x test_subprocess test_io test_lib2to3 \\',
+ 'RANLIB': 'aarch64-conda-linux-gnu-ranlib',
+ 'READELF': 'aarch64-conda-linux-gnu-readelf',
+ 'RESSRCDIR': 'Mac/Resources/framework',
+ 'RETSIGTYPE': 'void',
+ 'RUNSHARED': '',
+ 'SCRIPTDIR': '/workspace/anaconda3/lib',
+ 'SETPGRP_HAVE_ARG': 0,
+ 'SGI_ABI': '',
+ 'SHELL': '/bin/sh',
+ 'SHLIBS': '-lpthread -ldl  -lutil',
+ 'SHLIB_SUFFIX': '.so',
+ 'SIGNED_RIGHT_SHIFT_ZERO_FILLS': 0,
+ 'SITEPATH': '',
+ 'SIZEOF_DOUBLE': 8,
+ 'SIZEOF_FLOAT': 4,
+ 'SIZEOF_FPOS_T': 16,
+ 'SIZEOF_INT': 4,
+ 'SIZEOF_LONG': 8,
+ 'SIZEOF_LONG_DOUBLE': 16,
+ 'SIZEOF_LONG_LONG': 8,
+ 'SIZEOF_OFF_T': 8,
+ 'SIZEOF_PID_T': 4,
+ 'SIZEOF_PTHREAD_KEY_T': 4,
+ 'SIZEOF_PTHREAD_T': 8,
+ 'SIZEOF_SHORT': 2,
+ 'SIZEOF_SIZE_T': 8,
+ 'SIZEOF_TIME_T': 8,
+ 'SIZEOF_UINTPTR_T': 8,
+ 'SIZEOF_VOID_P': 8,
+ 'SIZEOF_WCHAR_T': 4,
+ 'SIZEOF__BOOL': 1,
+ 'SOABI': 'cpython-38-aarch64-linux-gnu',
+ 'SRCDIRS': 'Parser Grammar Objects Python Modules Mac Programs',
+ 'SRC_GDB_HOOKS': '/opt/conda/conda-bld/python_1512347718438/work/Tools/gdb/libpython.py',
+ 'STDC_HEADERS': 1,
+ 'STRICT_SYSV_CURSES': "/* Don't use ncurses extensions */",
+ 'STRIPFLAG': '-s',
+ 'SUBDIRS': '',
+ 'SUBDIRSTOO': 'Include Lib Misc',
+ 'SYSLIBS': '-lm',
+ 'SYS_SELECT_WITH_SYS_TIME': 1,
+ 'TANH_PRESERVES_ZERO_SIGN': 0,
+ 'TCLTK_INCLUDES': '-I/workspace/anaconda3/include',
+ 'TCLTK_LIBS': '-L/workspace/anaconda3/lib '
+               '-ltcl8.6 -ltk8.6',
+ 'TESTOPTS': '',
+ 'TESTPATH': '',
+ 'TESTPYTHON': './python',
+ 'TESTPYTHONOPTS': '',
+ 'TESTRUNNER': './python '
+               '/opt/conda/conda-bld/python_1512347718438/work/Tools/scripts/run_tests.py',
+ 'TESTTIMEOUT': 1200,
+ 'TIMEMODULE_LIB': 0,
+ 'TIME_WITH_SYS_TIME': 1,
+ 'TM_IN_SYS_TIME': 0,
+ 'UNICODE_DEPS': '\\',
+ 'UNIVERSALSDK': '',
+ 'USE_COMPUTED_GOTOS': 1,
+ 'VERSION': '3.8',
+ 'VPATH': '/opt/conda/conda-bld/python_1512347718438/work',
+ 'WINDOW_HAS_FLAGS': 1,
+ 'WITH_DOC_STRINGS': 1,
+ 'WITH_DTRACE': 0,
+ 'WITH_DYLD': 0,
+ 'WITH_LIBINTL': 0,
+ 'WITH_NEXT_FRAMEWORK': 0,
+ 'WITH_PYMALLOC': 1,
+ 'WITH_VALGRIND': 0,
+ 'X87_DOUBLE_ROUNDING': 0,
+ 'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',
+ 'abs_builddir': '/opt/conda/conda-bld/python_1512347718438/work/build-static',
+ 'abs_srcdir': '/opt/conda/conda-bld/python_1512347718438/work',
+ 'datarootdir': '/workspace/anaconda3/share',
+ 'exec_prefix': '/workspace/anaconda3',
+ 'prefix': '/workspace/anaconda3',
+ 'srcdir': '/opt/conda/conda-bld/python_1512347718438/work'}

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sysconfigdata_i686_conda_cos6_linux_gnu.py

@@ -0,0 +1,773 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 'i686-conda_cos6-linux-gnu-ar',
+ 'ARFLAGS': 'rc',
+ 'BASECFLAGS': '-Wno-unused-result -Wsign-compare',
+ 'BASECPPFLAGS': '-IObjects -IInclude -IPython',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/workspace/anaconda3/bin',
+ 'BINLIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'BLDLIBRARY': 'libpython3.8.a',
+ 'BLDSHARED': 'i686-conda_cos6-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+              '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+              '-Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '   '
+              '',
+ 'BUILDEXE': '',
+ 'BUILDPYTHON': 'python',
+ 'BUILD_GNU_TYPE': 'i686-conda_cos6-linux-gnu',
+ 'BYTESTR_DEPS': '\\',
+ 'CC': 'i686-conda_cos6-linux-gnu-gcc -pthread',
+ 'CCSHARED': '-fPIC',
+ 'CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+           '-Wstrict-prototypes -march=prescott -mtune=haswell '
+           '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -pipe '
+           '    '
+           '-march=prescott -mtune=haswell -ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -pipe  '
+           '  ',
+ 'CFLAGSFORSHARED': '',
+ 'CFLAGS_ALIASING': '',
+ 'CONFIGFILES': 'configure configure.ac acconfig.h pyconfig.h.in '
+                'Makefile.pre.in',
+ 'CONFIGURE_CFLAGS': '-march=prescott -mtune=haswell -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 -pipe '
+                     '  '
+                     ' ',
+ 'CONFIGURE_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                            '-Wno-unused-parameter '
+                            '-Wno-missing-field-initializers',
+ 'CONFIGURE_CPPFLAGS': '-D_FORTIFY_SOURCE=2 -O2 '
+                       '-I/workspace/anaconda3/include',
+ 'CONFIGURE_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+                      '-Wl,-z,now '
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+             '_locale _io zipimport faulthandler _tracemalloc _symtable '
+             'xxsubtype',
+ 'MODOBJS': 'Modules/_threadmodule.o  Modules/posixmodule.o  '
+            'Modules/errnomodule.o  Modules/pwdmodule.o  Modules/_sre.o  '
+            'Modules/_codecsmodule.o  Modules/_weakref.o  '
+            'Modules/_functoolsmodule.o  Modules/_operator.o  '
+            'Modules/_collectionsmodule.o  Modules/itertoolsmodule.o  '
+            'Modules/atexitmodule.o  Modules/signalmodule.o  Modules/_stat.o  '
+            'Modules/timemodule.o  Modules/_localemodule.o  '
+            'Modules/_iomodule.o Modules/iobase.o Modules/fileio.o '
+            'Modules/bytesio.o Modules/bufferedio.o Modules/textio.o '
+            'Modules/stringio.o  Modules/zipimport.o  Modules/faulthandler.o  '
+            'Modules/_tracemalloc.o Modules/hashtable.o  '
+            'Modules/symtablemodule.o  Modules/xxsubtype.o',
+ 'MODULE_OBJS': '\\',
+ 'MULTIARCH': 'i386-linux-gnu',
+ 'MULTIARCH_CPPFLAGS': '-DMULTIARCH=\\"i386-linux-gnu\\"',
+ 'MVWDELCH_IS_EXPRESSION': 1,
+ 'NO_AS_NEEDED': '-Wl,--no-as-needed',
+ 'OBJECT_OBJS': '\\',
+ 'OPT': '-DNDEBUG -fwrapv -O2 -Wall -Wstrict-prototypes',
+ 'OTHER_LIBTOOL_OPT': '',
+ 'PACKAGE_BUGREPORT': 0,
+ 'PACKAGE_NAME': 0,
+ 'PACKAGE_STRING': 0,
+ 'PACKAGE_TARNAME': 0,
+ 'PACKAGE_URL': 0,
+ 'PACKAGE_VERSION': 0,
+ 'PARSER_HEADERS': '\\',
+ 'PARSER_OBJS': '\\ Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o',
+ 'PGEN': 'Parser/pgen',
+ 'PGENOBJS': '\\ \\',
+ 'PGOBJS': '\\',
+ 'PGO_PROF_GEN_FLAG': '-fprofile-generate',
+ 'PGO_PROF_USE_FLAG': ' ',
+ 'PLATDIR': '',
+ 'POBJS': '\\',
+ 'POSIX_SEMAPHORES_NOT_ENABLED': 0,
+ 'PROFILE_TASK': '-m test.regrtest --pgo',
+ 'PTHREAD_SYSTEM_SCHED_SUPPORTED': 1,
+ 'PURIFY': '',
+ 'PY3LIBRARY': '',
+ 'PYLONG_BITS_IN_DIGIT': 0,
+ 'PYTHON': 'python',
+ 'PYTHONFRAMEWORK': '',
+ 'PYTHONFRAMEWORKDIR': 'no-framework',
+ 'PYTHONFRAMEWORKINSTALLDIR': '',
+ 'PYTHONFRAMEWORKPREFIX': '',
+ 'PYTHONPATH': ':',
+ 'PYTHON_FOR_BUILD': './python -E',
+ 'PYTHON_FOR_REGEN': 'python3.8',
+ 'PYTHON_HEADERS': '\\',
+ 'PYTHON_OBJS': '\\',
+ 'PY_BUILD_ENVIRON': '',
+ 'PY_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+              '-Wstrict-prototypes -march=prescott -mtune=haswell '
+              '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 '
+              '-pipe   '
+              '  -march=prescott -mtune=haswell '
+              '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 '
+              '-pipe   '
+              ' ',
+ 'PY_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                     '-Wno-unused-parameter -Wno-missing-field-initializers '
+                     '-march=prescott -mtune=haswell -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 -pipe '
+                     '  '
+                     '   '
+                     '   '
+                     ' ',
+ 'PY_CORE_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 '
+                   '-Wall -Wstrict-prototypes -march=prescott -mtune=haswell '
+                   '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt '
+                   '-O2 -pipe   '
+                   '  -march=prescott -mtune=haswell '
+                   '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt '
+                   '-O2 -pipe   '
+                   '  -std=c99 -Wextra '
+                   '-Wno-unused-result -Wno-unused-parameter '
+                   '-Wno-missing-field-initializers -march=prescott '
+                   '-mtune=haswell -ftree-vectorize -fPIC '
+                   '-fstack-protector-strong -fno-plt -O2 -pipe '
+                   '   '
+                   '    '
+                   '   '
+                   '-IObjects -IInclude -IPython -I. '
+                   '-I/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work/Include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include  '
+                   '-DPy_BUILD_CORE',
+ 'PY_CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+                '-I/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work/Include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include',
+ 'PY_FORMAT_SIZE_T': '"z"',
+ 'PY_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '   '
+               '',
+ 'Py_DEBUG': 0,
+ 'Py_ENABLE_SHARED': 0,
+ 'Py_HASH_ALGORITHM': 0,
+ 'QUICKTESTOPTS': '-x test_subprocess test_io test_lib2to3 \\',
+ 'RANLIB': 'i686-conda_cos6-linux-gnu-ranlib',
+ 'READELF': 'i686-conda_cos6-linux-gnu-readelf',
+ 'RESSRCDIR': 'Mac/Resources/framework',
+ 'RETSIGTYPE': 'void',
+ 'RUNSHARED': '',
+ 'SCRIPTDIR': '/workspace/anaconda3/lib',
+ 'SETPGRP_HAVE_ARG': 0,
+ 'SGI_ABI': '',
+ 'SHELL': '/bin/sh',
+ 'SHLIBS': '-lpthread -ldl  -lutil -lrt',
+ 'SHLIB_SUFFIX': '.so',
+ 'SIGNED_RIGHT_SHIFT_ZERO_FILLS': 0,
+ 'SITEPATH': '',
+ 'SIZEOF_DOUBLE': 8,
+ 'SIZEOF_FLOAT': 4,
+ 'SIZEOF_FPOS_T': 16,
+ 'SIZEOF_INT': 4,
+ 'SIZEOF_LONG': 4,
+ 'SIZEOF_LONG_DOUBLE': 12,
+ 'SIZEOF_LONG_LONG': 8,
+ 'SIZEOF_OFF_T': 8,
+ 'SIZEOF_PID_T': 4,
+ 'SIZEOF_PTHREAD_T': 4,
+ 'SIZEOF_SHORT': 2,
+ 'SIZEOF_SIZE_T': 4,
+ 'SIZEOF_TIME_T': 4,
+ 'SIZEOF_UINTPTR_T': 4,
+ 'SIZEOF_VOID_P': 4,
+ 'SIZEOF_WCHAR_T': 4,
+ 'SIZEOF__BOOL': 1,
+ 'SOABI': 'cpython-38-i386-linux-gnu',
+ 'SRCDIRS': 'Parser Grammar Objects Python Modules Mac Programs',
+ 'SRC_GDB_HOOKS': '/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work/Tools/gdb/libpython.py',
+ 'STDC_HEADERS': 1,
+ 'STRICT_SYSV_CURSES': "/* Don't use ncurses extensions */",
+ 'STRIPFLAG': '-s',
+ 'SUBDIRS': '',
+ 'SUBDIRSTOO': 'Include Lib Misc',
+ 'SYSLIBS': '-lm',
+ 'SYS_SELECT_WITH_SYS_TIME': 1,
+ 'TANH_PRESERVES_ZERO_SIGN': 1,
+ 'TCLTK_INCLUDES': '-I/workspace/anaconda3/include',
+ 'TCLTK_LIBS': '-L/workspace/anaconda3/lib '
+               '-ltcl8.6 -ltk8.6',
+ 'TESTOPTS': '',
+ 'TESTPATH': '',
+ 'TESTPYTHON': './python',
+ 'TESTPYTHONOPTS': '',
+ 'TESTRUNNER': './python '
+               '/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work/Tools/scripts/run_tests.py',
+ 'TESTTIMEOUT': 1200,
+ 'THREADOBJ': 'Python/thread.o',
+ 'TIMEMODULE_LIB': 'rt',
+ 'TIME_WITH_SYS_TIME': 1,
+ 'TM_IN_SYS_TIME': 0,
+ 'UNICODE_DEPS': '\\',
+ 'UNIVERSALSDK': '',
+ 'USE_COMPUTED_GOTOS': 1,
+ 'USE_INLINE': 1,
+ 'VERSION': '3.8',
+ 'VPATH': '/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work',
+ 'WANT_SIGFPE_HANDLER': 0,
+ 'WINDOW_HAS_FLAGS': 1,
+ 'WITH_DOC_STRINGS': 1,
+ 'WITH_DTRACE': 0,
+ 'WITH_DYLD': 0,
+ 'WITH_LIBINTL': 0,
+ 'WITH_NEXT_FRAMEWORK': 0,
+ 'WITH_PYMALLOC': 1,
+ 'WITH_THREAD': 1,
+ 'WITH_VALGRIND': 0,
+ 'X87_DOUBLE_ROUNDING': 1,
+ 'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',
+ 'abs_builddir': '/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work/build-static',
+ 'abs_srcdir': '/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work',
+ 'datarootdir': '/workspace/anaconda3/share',
+ 'exec_prefix': '/workspace/anaconda3',
+ 'prefix': '/workspace/anaconda3',
+ 'srcdir': '/home/nwani/concourse_worker/containers/00003bfv1os/tmp/build/80754af9/python_1510184282133/work'}

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sysconfigdata_s390x_conda_linux_gnu.py

@@ -0,0 +1,773 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 's390x-conda-linux-gnu-ar',
+ 'ARFLAGS': 'rc',
+ 'BASECFLAGS': '-Wno-unused-result -Wsign-compare',
+ 'BASECPPFLAGS': '-IObjects -IInclude -IPython',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/workspace/anaconda3/bin',
+ 'BINLIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'BLDLIBRARY': 'libpython3.8.a',
+ 'BLDSHARED': 's390x-conda-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+              '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+              '-Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '   '
+              '',
+ 'BUILDEXE': '',
+ 'BUILDPYTHON': 'python',
+ 'BUILD_GNU_TYPE': 's390x-conda-linux-gnu',
+ 'BYTESTR_DEPS': '\\',
+ 'CC': 's390x-conda-linux-gnu-gcc -pthread',
+ 'CCSHARED': '-fPIC',
+ 'CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+           '-Wstrict-prototypes -march=z14 -mtune=z14 -ftree-vectorize '
+           '-fPIC -fstack-protector-strong -fno-plt -O2 -pipe '
+           '    '
+           '-march=z14 -mtune=z14 -ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -pipe  '
+           '  ',
+ 'CFLAGSFORSHARED': '',
+ 'CFLAGS_ALIASING': '',
+ 'CONFIGFILES': 'configure configure.ac acconfig.h pyconfig.h.in '
+                'Makefile.pre.in',
+ 'CONFIGURE_CFLAGS': '-march=z14 -mtune=z14 -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 -pipe '
+                     '  '
+                     ' ',
+ 'CONFIGURE_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                            '-Wno-unused-parameter '
+                            '-Wno-missing-field-initializers',
+ 'CONFIGURE_CPPFLAGS': '-D_FORTIFY_SOURCE=2 -O2 '
+                       '-I/workspace/anaconda3/include',
+ 'CONFIGURE_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+                      '-Wl,-z,now '
+                      '-Wl,-rpath,/workspace/anaconda3/lib '
+                      '-L/workspace/anaconda3/lib',
+ 'CONFIG_ARGS': "'--prefix=/workspace/anaconda3' "
+                "'--build=s390x-conda-linux-gnu' "
+                "'--host=s390x-conda-linux-gnu' '--enable-ipv6' "
+                "'--with-ensurepip=no' '--with-computed-gotos' "
+                "'--with-system-ffi' '--enable-loadable-sqlite-extensions' "
+                "'--with-tcltk-includes=-I/workspace/anaconda3/include' "
+                "'--with-tcltk-libs=-L/workspace/anaconda3/lib "
+                "-ltcl8.6 -ltk8.6' '--enable-optimizations' '--with-lto' "
+                "'--disable-shared' 'build_alias=s390x-conda-linux-gnu' "
+                "'host_alias=s390x-conda-linux-gnu' "
+                "'CC=s390x-conda-linux-gnu-gcc' 'CFLAGS=-march=z14 "
+                '-mtune=z14 -ftree-vectorize -fPIC '
+                '-fstack-protector-strong -fno-plt -O2 -pipe '
+                '   '
+                "' 'LDFLAGS=-Wl,-O2 -Wl,--sort-common -Wl,--as-needed "
+                '-Wl,-z,relro -Wl,-z,now '
+                '-Wl,-rpath,/workspace/anaconda3/lib '
+                "-L/workspace/anaconda3/lib' "
+                "'CPPFLAGS=-D_FORTIFY_SOURCE=2 -O2 "
+                "-I/workspace/anaconda3/include' "
+                "'CPP=/workspace/anaconda3/bin/s390x-conda-linux-gnu-cpp' "
+                "'PKG_CONFIG_PATH=/workspace/anaconda3/lib/pkgconfig'",
+ 'CONFINCLUDEDIR': '/workspace/anaconda3/include',
+ 'CONFINCLUDEPY': '/workspace/anaconda3/include/python3.8',
+ 'COREPYTHONPATH': ':',
+ 'COVERAGE_INFO': '/tmp/build/80754af9/python_1510184704423/work/build-static/coverage.info',
+ 'COVERAGE_REPORT': '/tmp/build/80754af9/python_1510184704423/work/build-static/lcov-report',
+ 'COVERAGE_REPORT_OPTIONS': '--no-branch-coverage --title "CPython lcov '
+                            'report"',
+ 'CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+             '-I/tmp/build/80754af9/python_1510184704423/work/Include '
+             '-D_FORTIFY_SOURCE=2 -O2 '
+             '-I/workspace/anaconda3/include '
+             '-D_FORTIFY_SOURCE=2 -O2 '
+             '-I/workspace/anaconda3/include',
+ 'CXX': 's390x-conda-linux-gnu-c++ -pthread',
+ 'DESTDIRS': '/workspace/anaconda3 '
+             '/workspace/anaconda3/lib '
+             '/workspace/anaconda3/lib/python3.8 '
+             '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DESTLIB': '/workspace/anaconda3/lib/python3.8',
+ 'DESTPATH': '',
+ 'DESTSHARED': '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DFLAGS': '',
+ 'DIRMODE': 755,
+ 'DIST': 'README ChangeLog configure configure.ac acconfig.h pyconfig.h.in '
+         'Makefile.pre.in Include Lib Misc Ext-dummy',
+ 'DISTDIRS': 'Include Lib Misc Ext-dummy',
+ 'DISTFILES': 'README ChangeLog configure configure.ac acconfig.h '
+              'pyconfig.h.in Makefile.pre.in',
+ 'DLINCLDIR': '.',
+ 'DLLLIBRARY': '',
+ 'DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_BIG_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_LITTLE_ENDIAN_IEEE754': 1,
+ 'DTRACE': '',
+ 'DTRACE_DEPS': '\\',
+ 'DTRACE_HEADERS': '',
+ 'DTRACE_OBJS': '',
+ 'DYNLOADFILE': 'dynload_shlib.o',
+ 'ENABLE_IPV6': 1,
+ 'ENSUREPIP': 'no',
+ 'EXE': '',
+ 'EXEMODE': 755,
+ 'EXTRAMACHDEPPATH': '',
+ 'EXTRATESTOPTS': '',
+ 'EXT_SUFFIX': '.cpython-38-s390x-linux-gnu.so',
+ 'FILEMODE': 644,
+ 'FLOCK_NEEDS_LIBBSD': 0,
+ 'GETPGRP_HAVE_ARG': 0,
+ 'GETTIMEOFDAY_NO_TZ': 0,
+ 'GITBRANCH': '',
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+ 'GNULD': 'yes',
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+ 'HAVE_ZLIB_COPY': 1,
+ 'HAVE__GETPTY': 0,
+ 'HOST_GNU_TYPE': 's390x-conda-linux-gnu',
+ 'INCLDIRSTOMAKE': '/workspace/anaconda3/include '
+                   '/workspace/anaconda3/include '
+                   '/workspace/anaconda3/include/python3.8 '
+                   '/workspace/anaconda3/include/python3.8',
+ 'INCLUDEDIR': '/workspace/anaconda3/include',
+ 'INCLUDEPY': '/workspace/anaconda3/include/python3.8',
+ 'INSTALL': '/usr/bin/install -c',
+ 'INSTALL_DATA': '/usr/bin/install -c -m 644',
+ 'INSTALL_PROGRAM': '/usr/bin/install -c',
+ 'INSTALL_SCRIPT': '/usr/bin/install -c',
+ 'INSTALL_SHARED': '/usr/bin/install -c -m 555',
+ 'INSTSONAME': 'libpython3.8.a',
+ 'IO_H': 'Modules/_io/_iomodule.h',
+ 'IO_OBJS': '\\',
+ 'LDCXXSHARED': 's390x-conda-linux-gnu-c++ -pthread -shared',
+ 'LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+            '-Wl,-rpath,/workspace/anaconda3/lib '
+            '-L/workspace/anaconda3/lib '
+            '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+            '-Wl,-rpath,/workspace/anaconda3/lib '
+            '-L/workspace/anaconda3/lib '
+            '   ',
+ 'LDLAST': '',
+ 'LDLIBRARY': 'libpython3.8.a',
+ 'LDLIBRARYDIR': '',
+ 'LDSHARED': 's390x-conda-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+             '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+             '-Wl,-rpath,/workspace/anaconda3/lib '
+             '-L/workspace/anaconda3/lib '
+             '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+             '-Wl,-z,now '
+             '-Wl,-rpath,/workspace/anaconda3/lib '
+             '-L/workspace/anaconda3/lib '
+             '   ',
+ 'LDVERSION': '3.8',
+ 'LIBC': '',
+ 'LIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'LIBDIR': '/workspace/anaconda3/lib',
+ 'LIBFFI_INCLUDEDIR': '/workspace/anaconda3/include',
+ 'LIBM': '-lm',
+ 'LIBOBJDIR': 'Python/',
+ 'LIBOBJS': '',
+ 'LIBPC': '/workspace/anaconda3/lib/pkgconfig',
+ 'LIBPL': '/workspace/anaconda3/lib/python3.8/config-3.8-s390x-linux-gnu',
+ 'LIBRARY': 'libpython3.8.a',
+ 'LIBRARY_OBJS': '\\',
+ 'LIBRARY_OBJS_OMIT_FROZEN': '\\',
+ 'LIBS': '-lpthread -ldl  -lutil -lrt',
+ 'LIBSUBDIRS': 'tkinter tkinter/test tkinter/test/test_tkinter \\',
+ 'LINKCC': 's390x-conda-linux-gnu-gcc -pthread',
+ 'LINKFORSHARED': '-Xlinker -export-dynamic',
+ 'LIPO_32BIT_FLAGS': '',
+ 'LLVM_PROF_ERR': 'no',
+ 'LLVM_PROF_FILE': '',
+ 'LLVM_PROF_MERGER': 'true',
+ 'LN': 'ln',
+ 'LOCALMODLIBS': '',
+ 'LOG1P_DROPS_ZERO_SIGN': 0,
+ 'MACHDEP': 'linux',
+ 'MACHDEPPATH': ':',
+ 'MACHDEP_OBJS': '',
+ 'MACHDESTLIB': '/workspace/anaconda3/lib/python3.8',
+ 'MACOSX_DEPLOYMENT_TARGET': '',
+ 'MAINCC': 's390x-conda-linux-gnu-gcc -pthread',
+ 'MAJOR_IN_MKDEV': 0,
+ 'MAJOR_IN_SYSMACROS': 0,
+ 'MAKESETUP': '/tmp/build/80754af9/python_1510184704423/work/Modules/makesetup',
+ 'MANDIR': '/workspace/anaconda3/share/man',
+ 'MKDIR_P': '/bin/mkdir -p',
+ 'MODLIBS': '',
+ 'MODNAMES': '_thread posix errno pwd _sre _codecs _weakref _functools '
+             '_operator _collections itertools atexit _signal _stat time '
+             '_locale _io zipimport faulthandler _tracemalloc _symtable '
+             'xxsubtype',
+ 'MODOBJS': 'Modules/_threadmodule.o  Modules/posixmodule.o  '
+            'Modules/errnomodule.o  Modules/pwdmodule.o  Modules/_sre.o  '
+            'Modules/_codecsmodule.o  Modules/_weakref.o  '
+            'Modules/_functoolsmodule.o  Modules/_operator.o  '
+            'Modules/_collectionsmodule.o  Modules/itertoolsmodule.o  '
+            'Modules/atexitmodule.o  Modules/signalmodule.o  Modules/_stat.o  '
+            'Modules/timemodule.o  Modules/_localemodule.o  '
+            'Modules/_iomodule.o Modules/iobase.o Modules/fileio.o '
+            'Modules/bytesio.o Modules/bufferedio.o Modules/textio.o '
+            'Modules/stringio.o  Modules/zipimport.o  Modules/faulthandler.o  '
+            'Modules/_tracemalloc.o Modules/hashtable.o  '
+            'Modules/symtablemodule.o  Modules/xxsubtype.o',
+ 'MODULE_OBJS': '\\',
+ 'MULTIARCH': 's390x-linux-gnu',
+ 'MULTIARCH_CPPFLAGS': '-DMULTIARCH=\\"s390x-linux-gnu\\"',
+ 'MVWDELCH_IS_EXPRESSION': 1,
+ 'NO_AS_NEEDED': '-Wl,--no-as-needed',
+ 'OBJECT_OBJS': '\\',
+ 'OPT': '-DNDEBUG -fwrapv -O2 -Wall -Wstrict-prototypes',
+ 'OTHER_LIBTOOL_OPT': '',
+ 'PACKAGE_BUGREPORT': 0,
+ 'PACKAGE_NAME': 0,
+ 'PACKAGE_STRING': 0,
+ 'PACKAGE_TARNAME': 0,
+ 'PACKAGE_URL': 0,
+ 'PACKAGE_VERSION': 0,
+ 'PARSER_HEADERS': '\\',
+ 'PARSER_OBJS': '\\ Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o',
+ 'PGEN': 'Parser/pgen',
+ 'PGENOBJS': '\\ \\',
+ 'PGOBJS': '\\',
+ 'PGO_PROF_GEN_FLAG': '-fprofile-generate',
+ 'PGO_PROF_USE_FLAG': ' ',
+ 'PLATDIR': '',
+ 'POBJS': '\\',
+ 'POSIX_SEMAPHORES_NOT_ENABLED': 0,
+ 'PROFILE_TASK': '-m test.regrtest --pgo',
+ 'PTHREAD_SYSTEM_SCHED_SUPPORTED': 1,
+ 'PURIFY': '',
+ 'PY3LIBRARY': '',
+ 'PYLONG_BITS_IN_DIGIT': 0,
+ 'PYTHON': 'python',
+ 'PYTHONFRAMEWORK': '',
+ 'PYTHONFRAMEWORKDIR': 'no-framework',
+ 'PYTHONFRAMEWORKINSTALLDIR': '',
+ 'PYTHONFRAMEWORKPREFIX': '',
+ 'PYTHONPATH': ':',
+ 'PYTHON_FOR_BUILD': './python -E',
+ 'PYTHON_FOR_REGEN': 'python3.8',
+ 'PYTHON_HEADERS': '\\',
+ 'PYTHON_OBJS': '\\',
+ 'PY_BUILD_ENVIRON': '',
+ 'PY_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+              '-Wstrict-prototypes -march=z14 -mtune=z14 '
+              '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 '
+              '-pipe   '
+              '  -march=z14 -mtune=z14 '
+              '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 '
+              '-pipe   '
+              ' ',
+ 'PY_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                     '-Wno-unused-parameter -Wno-missing-field-initializers '
+                     '-march=z14 -mtune=z14 -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 -pipe '
+                     '  '
+                     '   '
+                     '   '
+                     ' ',
+ 'PY_CORE_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 '
+                   '-Wall -Wstrict-prototypes -march=z14 -mtune=z14 '
+                   '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt '
+                   '-O2 -pipe   '
+                   '  -march=z14 -mtune=z14 '
+                   '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt '
+                   '-O2 -pipe   '
+                   '  -std=c99 -Wextra '
+                   '-Wno-unused-result -Wno-unused-parameter '
+                   '-Wno-missing-field-initializers -march=z14 '
+                   '-mtune=z14 -ftree-vectorize -fPIC '
+                   '-fstack-protector-strong -fno-plt -O2 -pipe '
+                   '   '
+                   '    '
+                   '   '
+                   '-IObjects -IInclude -IPython -I. '
+                   '-I/tmp/build/80754af9/python_1510184704423/work/Include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include  '
+                   '-DPy_BUILD_CORE',
+ 'PY_CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+                '-I/tmp/build/80754af9/python_1510184704423/work/Include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include',
+ 'PY_FORMAT_SIZE_T': '"z"',
+ 'PY_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '   '
+               '',
+ 'Py_DEBUG': 0,
+ 'Py_ENABLE_SHARED': 0,
+ 'Py_HASH_ALGORITHM': 0,
+ 'QUICKTESTOPTS': '-x test_subprocess test_io test_lib2to3 \\',
+ 'RANLIB': 's390x-conda-linux-gnu-ranlib',
+ 'READELF': 's390x-conda-linux-gnu-readelf',
+ 'RESSRCDIR': 'Mac/Resources/framework',
+ 'RETSIGTYPE': 'void',
+ 'RUNSHARED': '',
+ 'SCRIPTDIR': '/workspace/anaconda3/lib',
+ 'SETPGRP_HAVE_ARG': 0,
+ 'SGI_ABI': '',
+ 'SHELL': '/bin/sh',
+ 'SHLIBS': '-lpthread -ldl  -lutil -lrt',
+ 'SHLIB_SUFFIX': '.so',
+ 'SIGNED_RIGHT_SHIFT_ZERO_FILLS': 0,
+ 'SITEPATH': '',
+ 'SIZEOF_DOUBLE': 8,
+ 'SIZEOF_FLOAT': 4,
+ 'SIZEOF_FPOS_T': 16,
+ 'SIZEOF_INT': 4,
+ 'SIZEOF_LONG': 8,
+ 'SIZEOF_LONG_DOUBLE': 16,
+ 'SIZEOF_LONG_LONG': 8,
+ 'SIZEOF_OFF_T': 8,
+ 'SIZEOF_PID_T': 4,
+ 'SIZEOF_PTHREAD_T': 8,
+ 'SIZEOF_SHORT': 2,
+ 'SIZEOF_SIZE_T': 8,
+ 'SIZEOF_TIME_T': 8,
+ 'SIZEOF_UINTPTR_T': 8,
+ 'SIZEOF_VOID_P': 8,
+ 'SIZEOF_WCHAR_T': 4,
+ 'SIZEOF__BOOL': 1,
+ 'SOABI': 'cpython-38-s390x-linux-gnu',
+ 'SRCDIRS': 'Parser Grammar Objects Python Modules Mac Programs',
+ 'SRC_GDB_HOOKS': '/tmp/build/80754af9/python_1510184704423/work/Tools/gdb/libpython.py',
+ 'STDC_HEADERS': 1,
+ 'STRICT_SYSV_CURSES': "/* Don't use ncurses extensions */",
+ 'STRIPFLAG': '-s',
+ 'SUBDIRS': '',
+ 'SUBDIRSTOO': 'Include Lib Misc',
+ 'SYSLIBS': '-lm',
+ 'SYS_SELECT_WITH_SYS_TIME': 1,
+ 'TANH_PRESERVES_ZERO_SIGN': 1,
+ 'TCLTK_INCLUDES': '-I/workspace/anaconda3/include',
+ 'TCLTK_LIBS': '-L/workspace/anaconda3/lib '
+               '-ltcl8.6 -ltk8.6',
+ 'TESTOPTS': '',
+ 'TESTPATH': '',
+ 'TESTPYTHON': './python',
+ 'TESTPYTHONOPTS': '',
+ 'TESTRUNNER': './python '
+               '/tmp/build/80754af9/python_1510184704423/work/Tools/scripts/run_tests.py',
+ 'TESTTIMEOUT': 1200,
+ 'THREADOBJ': 'Python/thread.o',
+ 'TIMEMODULE_LIB': 'rt',
+ 'TIME_WITH_SYS_TIME': 1,
+ 'TM_IN_SYS_TIME': 0,
+ 'UNICODE_DEPS': '\\',
+ 'UNIVERSALSDK': '',
+ 'USE_COMPUTED_GOTOS': 1,
+ 'USE_INLINE': 1,
+ 'VERSION': '3.8',
+ 'VPATH': '/tmp/build/80754af9/python_1510184704423/work',
+ 'WANT_SIGFPE_HANDLER': 0,
+ 'WINDOW_HAS_FLAGS': 1,
+ 'WITH_DOC_STRINGS': 1,
+ 'WITH_DTRACE': 0,
+ 'WITH_DYLD': 0,
+ 'WITH_LIBINTL': 0,
+ 'WITH_NEXT_FRAMEWORK': 0,
+ 'WITH_PYMALLOC': 1,
+ 'WITH_THREAD': 1,
+ 'WITH_VALGRIND': 0,
+ 'X87_DOUBLE_ROUNDING': 0,
+ 'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',
+ 'abs_builddir': '/tmp/build/80754af9/python_1510184704423/work/build-static',
+ 'abs_srcdir': '/tmp/build/80754af9/python_1510184704423/work',
+ 'datarootdir': '/workspace/anaconda3/share',
+ 'exec_prefix': '/workspace/anaconda3',
+ 'prefix': '/workspace/anaconda3',
+ 'srcdir': '/tmp/build/80754af9/python_1510184704423/work'}

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sysconfigdata_x86_64_conda_cos7_linux_gnu.py

@@ -0,0 +1,773 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 'x86_64-conda_cos7-linux-gnu-ar',
+ 'ARFLAGS': 'rc',
+ 'BASECFLAGS': '-Wno-unused-result -Wsign-compare',
+ 'BASECPPFLAGS': '-IObjects -IInclude -IPython',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/workspace/anaconda3/bin',
+ 'BINLIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'BLDLIBRARY': 'libpython3.8.a',
+ 'BLDSHARED': 'x86_64-conda_cos7-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+              '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
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+ 'LIBFFI_INCLUDEDIR': '/workspace/anaconda3/include',
+ 'LIBM': '-lm',
+ 'LIBOBJDIR': 'Python/',
+ 'LIBOBJS': '',
+ 'LIBPC': '/workspace/anaconda3/lib/pkgconfig',
+ 'LIBPL': '/workspace/anaconda3/lib/python3.8/config-3.8-x86_64-linux-gnu',
+ 'LIBRARY': 'libpython3.8.a',
+ 'LIBRARY_OBJS': '\\',
+ 'LIBRARY_OBJS_OMIT_FROZEN': '\\',
+ 'LIBS': '-lpthread -ldl  -lutil -lrt',
+ 'LIBSUBDIRS': 'tkinter tkinter/test tkinter/test/test_tkinter \\',
+ 'LINKCC': 'x86_64-conda_cos7-linux-gnu-gcc -pthread',
+ 'LINKFORSHARED': '-Xlinker -export-dynamic',
+ 'LIPO_32BIT_FLAGS': '',
+ 'LLVM_PROF_ERR': 'no',
+ 'LLVM_PROF_FILE': '',
+ 'LLVM_PROF_MERGER': 'true',
+ 'LN': 'ln',
+ 'LOCALMODLIBS': '',
+ 'LOG1P_DROPS_ZERO_SIGN': 0,
+ 'MACHDEP': 'linux',
+ 'MACHDEPPATH': ':',
+ 'MACHDEP_OBJS': '',
+ 'MACHDESTLIB': '/workspace/anaconda3/lib/python3.8',
+ 'MACOSX_DEPLOYMENT_TARGET': '',
+ 'MAINCC': 'x86_64-conda_cos7-linux-gnu-gcc -pthread',
+ 'MAJOR_IN_MKDEV': 0,
+ 'MAJOR_IN_SYSMACROS': 0,
+ 'MAKESETUP': '/tmp/build/80754af9/python_1510184704423/work/Modules/makesetup',
+ 'MANDIR': '/workspace/anaconda3/share/man',
+ 'MKDIR_P': '/bin/mkdir -p',
+ 'MODLIBS': '',
+ 'MODNAMES': '_thread posix errno pwd _sre _codecs _weakref _functools '
+             '_operator _collections itertools atexit _signal _stat time '
+             '_locale _io zipimport faulthandler _tracemalloc _symtable '
+             'xxsubtype',
+ 'MODOBJS': 'Modules/_threadmodule.o  Modules/posixmodule.o  '
+            'Modules/errnomodule.o  Modules/pwdmodule.o  Modules/_sre.o  '
+            'Modules/_codecsmodule.o  Modules/_weakref.o  '
+            'Modules/_functoolsmodule.o  Modules/_operator.o  '
+            'Modules/_collectionsmodule.o  Modules/itertoolsmodule.o  '
+            'Modules/atexitmodule.o  Modules/signalmodule.o  Modules/_stat.o  '
+            'Modules/timemodule.o  Modules/_localemodule.o  '
+            'Modules/_iomodule.o Modules/iobase.o Modules/fileio.o '
+            'Modules/bytesio.o Modules/bufferedio.o Modules/textio.o '
+            'Modules/stringio.o  Modules/zipimport.o  Modules/faulthandler.o  '
+            'Modules/_tracemalloc.o Modules/hashtable.o  '
+            'Modules/symtablemodule.o  Modules/xxsubtype.o',
+ 'MODULE_OBJS': '\\',
+ 'MULTIARCH': 'x86_64-linux-gnu',
+ 'MULTIARCH_CPPFLAGS': '-DMULTIARCH=\\"x86_64-linux-gnu\\"',
+ 'MVWDELCH_IS_EXPRESSION': 1,
+ 'NO_AS_NEEDED': '-Wl,--no-as-needed',
+ 'OBJECT_OBJS': '\\',
+ 'OPT': '-DNDEBUG -fwrapv -O2 -Wall -Wstrict-prototypes',
+ 'OTHER_LIBTOOL_OPT': '',
+ 'PACKAGE_BUGREPORT': 0,
+ 'PACKAGE_NAME': 0,
+ 'PACKAGE_STRING': 0,
+ 'PACKAGE_TARNAME': 0,
+ 'PACKAGE_URL': 0,
+ 'PACKAGE_VERSION': 0,
+ 'PARSER_HEADERS': '\\',
+ 'PARSER_OBJS': '\\ Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o',
+ 'PGEN': 'Parser/pgen',
+ 'PGENOBJS': '\\ \\',
+ 'PGOBJS': '\\',
+ 'PGO_PROF_GEN_FLAG': '-fprofile-generate',
+ 'PGO_PROF_USE_FLAG': ' ',
+ 'PLATDIR': '',
+ 'POBJS': '\\',
+ 'POSIX_SEMAPHORES_NOT_ENABLED': 0,
+ 'PROFILE_TASK': '-m test.regrtest --pgo',
+ 'PTHREAD_SYSTEM_SCHED_SUPPORTED': 1,
+ 'PURIFY': '',
+ 'PY3LIBRARY': '',
+ 'PYLONG_BITS_IN_DIGIT': 0,
+ 'PYTHON': 'python',
+ 'PYTHONFRAMEWORK': '',
+ 'PYTHONFRAMEWORKDIR': 'no-framework',
+ 'PYTHONFRAMEWORKINSTALLDIR': '',
+ 'PYTHONFRAMEWORKPREFIX': '',
+ 'PYTHONPATH': ':',
+ 'PYTHON_FOR_BUILD': './python -E',
+ 'PYTHON_FOR_REGEN': 'python3.8',
+ 'PYTHON_HEADERS': '\\',
+ 'PYTHON_OBJS': '\\',
+ 'PY_BUILD_ENVIRON': '',
+ 'PY_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+              '-Wstrict-prototypes -march=nocona -mtune=haswell '
+              '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 '
+              '-pipe   '
+              '  -march=nocona -mtune=haswell '
+              '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 '
+              '-pipe   '
+              ' ',
+ 'PY_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                     '-Wno-unused-parameter -Wno-missing-field-initializers '
+                     '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 -pipe '
+                     '  '
+                     '   '
+                     '   '
+                     ' ',
+ 'PY_CORE_CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 '
+                   '-Wall -Wstrict-prototypes -march=nocona -mtune=haswell '
+                   '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt '
+                   '-O2 -pipe   '
+                   '  -march=nocona -mtune=haswell '
+                   '-ftree-vectorize -fPIC -fstack-protector-strong -fno-plt '
+                   '-O2 -pipe   '
+                   '  -std=c99 -Wextra '
+                   '-Wno-unused-result -Wno-unused-parameter '
+                   '-Wno-missing-field-initializers -march=nocona '
+                   '-mtune=haswell -ftree-vectorize -fPIC '
+                   '-fstack-protector-strong -fno-plt -O2 -pipe '
+                   '   '
+                   '    '
+                   '   '
+                   '-IObjects -IInclude -IPython -I. '
+                   '-I/tmp/build/80754af9/python_1510184704423/work/Include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include '
+                   '-D_FORTIFY_SOURCE=2 -O2 '
+                   '-I/workspace/anaconda3/include  '
+                   '-DPy_BUILD_CORE',
+ 'PY_CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+                '-I/tmp/build/80754af9/python_1510184704423/work/Include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include '
+                '-D_FORTIFY_SOURCE=2 -O2 '
+                '-I/workspace/anaconda3/include',
+ 'PY_FORMAT_SIZE_T': '"z"',
+ 'PY_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+               '-Wl,-z,now '
+               '-Wl,-rpath,/workspace/anaconda3/lib '
+               '-L/workspace/anaconda3/lib '
+               '   '
+               '',
+ 'Py_DEBUG': 0,
+ 'Py_ENABLE_SHARED': 0,
+ 'Py_HASH_ALGORITHM': 0,
+ 'QUICKTESTOPTS': '-x test_subprocess test_io test_lib2to3 \\',
+ 'RANLIB': 'x86_64-conda_cos7-linux-gnu-ranlib',
+ 'READELF': 'x86_64-conda_cos7-linux-gnu-readelf',
+ 'RESSRCDIR': 'Mac/Resources/framework',
+ 'RETSIGTYPE': 'void',
+ 'RUNSHARED': '',
+ 'SCRIPTDIR': '/workspace/anaconda3/lib',
+ 'SETPGRP_HAVE_ARG': 0,
+ 'SGI_ABI': '',
+ 'SHELL': '/bin/sh',
+ 'SHLIBS': '-lpthread -ldl  -lutil -lrt',
+ 'SHLIB_SUFFIX': '.so',
+ 'SIGNED_RIGHT_SHIFT_ZERO_FILLS': 0,
+ 'SITEPATH': '',
+ 'SIZEOF_DOUBLE': 8,
+ 'SIZEOF_FLOAT': 4,
+ 'SIZEOF_FPOS_T': 16,
+ 'SIZEOF_INT': 4,
+ 'SIZEOF_LONG': 8,
+ 'SIZEOF_LONG_DOUBLE': 16,
+ 'SIZEOF_LONG_LONG': 8,
+ 'SIZEOF_OFF_T': 8,
+ 'SIZEOF_PID_T': 4,
+ 'SIZEOF_PTHREAD_T': 8,
+ 'SIZEOF_SHORT': 2,
+ 'SIZEOF_SIZE_T': 8,
+ 'SIZEOF_TIME_T': 8,
+ 'SIZEOF_UINTPTR_T': 8,
+ 'SIZEOF_VOID_P': 8,
+ 'SIZEOF_WCHAR_T': 4,
+ 'SIZEOF__BOOL': 1,
+ 'SOABI': 'cpython-38-x86_64-linux-gnu',
+ 'SRCDIRS': 'Parser Grammar Objects Python Modules Mac Programs',
+ 'SRC_GDB_HOOKS': '/tmp/build/80754af9/python_1510184704423/work/Tools/gdb/libpython.py',
+ 'STDC_HEADERS': 1,
+ 'STRICT_SYSV_CURSES': "/* Don't use ncurses extensions */",
+ 'STRIPFLAG': '-s',
+ 'SUBDIRS': '',
+ 'SUBDIRSTOO': 'Include Lib Misc',
+ 'SYSLIBS': '-lm',
+ 'SYS_SELECT_WITH_SYS_TIME': 1,
+ 'TANH_PRESERVES_ZERO_SIGN': 1,
+ 'TCLTK_INCLUDES': '-I/workspace/anaconda3/include',
+ 'TCLTK_LIBS': '-L/workspace/anaconda3/lib '
+               '-ltcl8.6 -ltk8.6',
+ 'TESTOPTS': '',
+ 'TESTPATH': '',
+ 'TESTPYTHON': './python',
+ 'TESTPYTHONOPTS': '',
+ 'TESTRUNNER': './python '
+               '/tmp/build/80754af9/python_1510184704423/work/Tools/scripts/run_tests.py',
+ 'TESTTIMEOUT': 1200,
+ 'THREADOBJ': 'Python/thread.o',
+ 'TIMEMODULE_LIB': 'rt',
+ 'TIME_WITH_SYS_TIME': 1,
+ 'TM_IN_SYS_TIME': 0,
+ 'UNICODE_DEPS': '\\',
+ 'UNIVERSALSDK': '',
+ 'USE_COMPUTED_GOTOS': 1,
+ 'USE_INLINE': 1,
+ 'VERSION': '3.8',
+ 'VPATH': '/tmp/build/80754af9/python_1510184704423/work',
+ 'WANT_SIGFPE_HANDLER': 0,
+ 'WINDOW_HAS_FLAGS': 1,
+ 'WITH_DOC_STRINGS': 1,
+ 'WITH_DTRACE': 0,
+ 'WITH_DYLD': 0,
+ 'WITH_LIBINTL': 0,
+ 'WITH_NEXT_FRAMEWORK': 0,
+ 'WITH_PYMALLOC': 1,
+ 'WITH_THREAD': 1,
+ 'WITH_VALGRIND': 0,
+ 'X87_DOUBLE_ROUNDING': 0,
+ 'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',
+ 'abs_builddir': '/tmp/build/80754af9/python_1510184704423/work/build-static',
+ 'abs_srcdir': '/tmp/build/80754af9/python_1510184704423/work',
+ 'datarootdir': '/workspace/anaconda3/share',
+ 'exec_prefix': '/workspace/anaconda3',
+ 'prefix': '/workspace/anaconda3',
+ 'srcdir': '/tmp/build/80754af9/python_1510184704423/work'}

my_container_sandbox/workspace/anaconda3/lib/python3.8/_sysconfigdata_x86_64_conda_linux_gnu.py

@@ -0,0 +1,773 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 'x86_64-conda-linux-gnu-ar',
+ 'ARFLAGS': 'rc',
+ 'BASECFLAGS': '-Wno-unused-result -Wsign-compare',
+ 'BASECPPFLAGS': '-IObjects -IInclude -IPython',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/workspace/anaconda3/bin',
+ 'BINLIBDEST': '/workspace/anaconda3/lib/python3.8',
+ 'BLDLIBRARY': 'libpython3.8.a',
+ 'BLDSHARED': 'x86_64-conda-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+              '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+              '-Wl,-z,now '
+              '-Wl,-rpath,/workspace/anaconda3/lib '
+              '-L/workspace/anaconda3/lib '
+              '   '
+              '',
+ 'BUILDEXE': '',
+ 'BUILDPYTHON': 'python',
+ 'BUILD_GNU_TYPE': 'x86_64-conda-linux-gnu',
+ 'BYTESTR_DEPS': '\\',
+ 'CC': 'x86_64-conda-linux-gnu-gcc -pthread',
+ 'CCSHARED': '-fPIC',
+ 'CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+           '-Wstrict-prototypes -march=nocona -mtune=haswell -ftree-vectorize '
+           '-fPIC -fstack-protector-strong -fno-plt -O2 -pipe '
+           '    '
+           '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -pipe  '
+           '  ',
+ 'CFLAGSFORSHARED': '',
+ 'CFLAGS_ALIASING': '',
+ 'CONFIGFILES': 'configure configure.ac acconfig.h pyconfig.h.in '
+                'Makefile.pre.in',
+ 'CONFIGURE_CFLAGS': '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 -pipe '
+                     '  '
+                     ' ',
+ 'CONFIGURE_CFLAGS_NODIST': '-std=c99 -Wextra -Wno-unused-result '
+                            '-Wno-unused-parameter '
+                            '-Wno-missing-field-initializers',
+ 'CONFIGURE_CPPFLAGS': '-D_FORTIFY_SOURCE=2 -O2 '
+                       '-I/workspace/anaconda3/include',
+ 'CONFIGURE_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+                      '-Wl,-z,now '
+                      '-Wl,-rpath,/workspace/anaconda3/lib '
+                      '-L/workspace/anaconda3/lib',
+ 'CONFIG_ARGS': "'--prefix=/workspace/anaconda3' "
+                "'--build=x86_64-conda-linux-gnu' "
+                "'--host=x86_64-conda-linux-gnu' '--enable-ipv6' "
+                "'--with-ensurepip=no' '--with-computed-gotos' "
+                "'--with-system-ffi' '--enable-loadable-sqlite-extensions' "
+                "'--with-tcltk-includes=-I/workspace/anaconda3/include' "
+                "'--with-tcltk-libs=-L/workspace/anaconda3/lib "
+                "-ltcl8.6 -ltk8.6' '--enable-optimizations' '--with-lto' "
+                "'--disable-shared' 'build_alias=x86_64-conda-linux-gnu' "
+                "'host_alias=x86_64-conda-linux-gnu' "
+                "'CC=x86_64-conda-linux-gnu-gcc' 'CFLAGS=-march=nocona "
+                '-mtune=haswell -ftree-vectorize -fPIC '
+                '-fstack-protector-strong -fno-plt -O2 -pipe '
+                '   '
+                "' 'LDFLAGS=-Wl,-O2 -Wl,--sort-common -Wl,--as-needed "
+                '-Wl,-z,relro -Wl,-z,now '
+                '-Wl,-rpath,/workspace/anaconda3/lib '
+                "-L/workspace/anaconda3/lib' "
+                "'CPPFLAGS=-D_FORTIFY_SOURCE=2 -O2 "
+                "-I/workspace/anaconda3/include' "
+                "'CPP=/workspace/anaconda3/bin/x86_64-conda-linux-gnu-cpp' "
+                "'PKG_CONFIG_PATH=/workspace/anaconda3/lib/pkgconfig'",
+ 'CONFINCLUDEDIR': '/workspace/anaconda3/include',
+ 'CONFINCLUDEPY': '/workspace/anaconda3/include/python3.8',
+ 'COREPYTHONPATH': ':',
+ 'COVERAGE_INFO': '/tmp/build/80754af9/python_1510184704423/work/build-static/coverage.info',
+ 'COVERAGE_REPORT': '/tmp/build/80754af9/python_1510184704423/work/build-static/lcov-report',
+ 'COVERAGE_REPORT_OPTIONS': '--no-branch-coverage --title "CPython lcov '
+                            'report"',
+ 'CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+             '-I/tmp/build/80754af9/python_1510184704423/work/Include '
+             '-D_FORTIFY_SOURCE=2 -O2 '
+             '-I/workspace/anaconda3/include '
+             '-D_FORTIFY_SOURCE=2 -O2 '
+             '-I/workspace/anaconda3/include',
+ 'CXX': 'x86_64-conda-linux-gnu-c++ -pthread',
+ 'DESTDIRS': '/workspace/anaconda3 '
+             '/workspace/anaconda3/lib '
+             '/workspace/anaconda3/lib/python3.8 '
+             '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DESTLIB': '/workspace/anaconda3/lib/python3.8',
+ 'DESTPATH': '',
+ 'DESTSHARED': '/workspace/anaconda3/lib/python3.8/lib-dynload',
+ 'DFLAGS': '',
+ 'DIRMODE': 755,
+ 'DIST': 'README ChangeLog configure configure.ac acconfig.h pyconfig.h.in '
+         'Makefile.pre.in Include Lib Misc Ext-dummy',
+ 'DISTDIRS': 'Include Lib Misc Ext-dummy',
+ 'DISTFILES': 'README ChangeLog configure configure.ac acconfig.h '
+              'pyconfig.h.in Makefile.pre.in',
+ 'DLINCLDIR': '.',
+ 'DLLLIBRARY': '',
+ 'DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_BIG_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_LITTLE_ENDIAN_IEEE754': 1,
+ 'DTRACE': '',
+ 'DTRACE_DEPS': '\\',
+ 'DTRACE_HEADERS': '',
+ 'DTRACE_OBJS': '',
+ 'DYNLOADFILE': 'dynload_shlib.o',
+ 'ENABLE_IPV6': 1,
+ 'ENSUREPIP': 'no',
+ 'EXE': '',
+ 'EXEMODE': 755,
+ 'EXTRAMACHDEPPATH': '',
+ 'EXTRATESTOPTS': '',
+ 'EXT_SUFFIX': '.cpython-38-x86_64-linux-gnu.so',
+ 'FILEMODE': 644,
+ 'FLOCK_NEEDS_LIBBSD': 0,
+ 'GETPGRP_HAVE_ARG': 0,
+ 'GETTIMEOFDAY_NO_TZ': 0,
+ 'GITBRANCH': '',
+ 'GITTAG': '',
+ 'GITVERSION': '',
+ 'GNULD': 'yes',
+ 'HAVE_ACCEPT4': 1,
+ 'HAVE_ACOSH': 1,
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+ 'XMLLIBSUBDIRS': 'xml xml/dom xml/etree xml/parsers xml/sax',
+ 'abs_builddir': '/tmp/build/80754af9/python_1510184704423/work/build-static',
+ 'abs_srcdir': '/tmp/build/80754af9/python_1510184704423/work',
+ 'datarootdir': '/workspace/anaconda3/share',
+ 'exec_prefix': '/workspace/anaconda3',
+ 'prefix': '/workspace/anaconda3',
+ 'srcdir': '/tmp/build/80754af9/python_1510184704423/work'}

my_container_sandbox/workspace/anaconda3/lib/python3.8/antigravity.py

@@ -0,0 +1,17 @@
+
+import webbrowser
+import hashlib
+
+webbrowser.open("https://xkcd.com/353/")
+
+def geohash(latitude, longitude, datedow):
+    '''Compute geohash() using the Munroe algorithm.
+
+    >>> geohash(37.421542, -122.085589, b'2005-05-26-10458.68')
+    37.857713 -122.544543
+
+    '''
+    # https://xkcd.com/426/
+    h = hashlib.md5(datedow).hexdigest()
+    p, q = [('%f' % float.fromhex('0.' + x)) for x in (h[:16], h[16:32])]
+    print('%d%s %d%s' % (latitude, p[1:], longitude, q[1:]))

my_container_sandbox/workspace/anaconda3/lib/python3.8/ast.py

@@ -0,0 +1,547 @@
+"""
+    ast
+    ~~~
+
+    The `ast` module helps Python applications to process trees of the Python
+    abstract syntax grammar.  The abstract syntax itself might change with
+    each Python release; this module helps to find out programmatically what
+    the current grammar looks like and allows modifications of it.
+
+    An abstract syntax tree can be generated by passing `ast.PyCF_ONLY_AST` as
+    a flag to the `compile()` builtin function or by using the `parse()`
+    function from this module.  The result will be a tree of objects whose
+    classes all inherit from `ast.AST`.
+
+    A modified abstract syntax tree can be compiled into a Python code object
+    using the built-in `compile()` function.
+
+    Additionally various helper functions are provided that make working with
+    the trees simpler.  The main intention of the helper functions and this
+    module in general is to provide an easy to use interface for libraries
+    that work tightly with the python syntax (template engines for example).
+
+
+    :copyright: Copyright 2008 by Armin Ronacher.
+    :license: Python License.
+"""
+from _ast import *
+
+
+def parse(source, filename='<unknown>', mode='exec', *,
+          type_comments=False, feature_version=None):
+    """
+    Parse the source into an AST node.
+    Equivalent to compile(source, filename, mode, PyCF_ONLY_AST).
+    Pass type_comments=True to get back type comments where the syntax allows.
+    """
+    flags = PyCF_ONLY_AST
+    if type_comments:
+        flags |= PyCF_TYPE_COMMENTS
+    if isinstance(feature_version, tuple):
+        major, minor = feature_version  # Should be a 2-tuple.
+        assert major == 3
+        feature_version = minor
+    elif feature_version is None:
+        feature_version = -1
+    # Else it should be an int giving the minor version for 3.x.
+    return compile(source, filename, mode, flags,
+                   _feature_version=feature_version)
+
+
+def literal_eval(node_or_string):
+    """
+    Safely evaluate an expression node or a string containing a Python
+    expression.  The string or node provided may only consist of the following
+    Python literal structures: strings, bytes, numbers, tuples, lists, dicts,
+    sets, booleans, and None.
+    """
+    if isinstance(node_or_string, str):
+        node_or_string = parse(node_or_string, mode='eval')
+    if isinstance(node_or_string, Expression):
+        node_or_string = node_or_string.body
+    def _raise_malformed_node(node):
+        raise ValueError(f'malformed node or string: {node!r}')
+    def _convert_num(node):
+        if not isinstance(node, Constant) or type(node.value) not in (int, float, complex):
+            _raise_malformed_node(node)
+        return node.value
+    def _convert_signed_num(node):
+        if isinstance(node, UnaryOp) and isinstance(node.op, (UAdd, USub)):
+            operand = _convert_num(node.operand)
+            if isinstance(node.op, UAdd):
+                return + operand
+            else:
+                return - operand
+        return _convert_num(node)
+    def _convert(node):
+        if isinstance(node, Constant):
+            return node.value
+        elif isinstance(node, Tuple):
+            return tuple(map(_convert, node.elts))
+        elif isinstance(node, List):
+            return list(map(_convert, node.elts))
+        elif isinstance(node, Set):
+            return set(map(_convert, node.elts))
+        elif isinstance(node, Dict):
+            if len(node.keys) != len(node.values):
+                _raise_malformed_node(node)
+            return dict(zip(map(_convert, node.keys),
+                            map(_convert, node.values)))
+        elif isinstance(node, BinOp) and isinstance(node.op, (Add, Sub)):
+            left = _convert_signed_num(node.left)
+            right = _convert_num(node.right)
+            if isinstance(left, (int, float)) and isinstance(right, complex):
+                if isinstance(node.op, Add):
+                    return left + right
+                else:
+                    return left - right
+        return _convert_signed_num(node)
+    return _convert(node_or_string)
+
+
+def dump(node, annotate_fields=True, include_attributes=False):
+    """
+    Return a formatted dump of the tree in node.  This is mainly useful for
+    debugging purposes.  If annotate_fields is true (by default),
+    the returned string will show the names and the values for fields.
+    If annotate_fields is false, the result string will be more compact by
+    omitting unambiguous field names.  Attributes such as line
+    numbers and column offsets are not dumped by default.  If this is wanted,
+    include_attributes can be set to true.
+    """
+    def _format(node):
+        if isinstance(node, AST):
+            args = []
+            keywords = annotate_fields
+            for field in node._fields:
+                try:
+                    value = getattr(node, field)
+                except AttributeError:
+                    keywords = True
+                else:
+                    if keywords:
+                        args.append('%s=%s' % (field, _format(value)))
+                    else:
+                        args.append(_format(value))
+            if include_attributes and node._attributes:
+                for a in node._attributes:
+                    try:
+                        args.append('%s=%s' % (a, _format(getattr(node, a))))
+                    except AttributeError:
+                        pass
+            return '%s(%s)' % (node.__class__.__name__, ', '.join(args))
+        elif isinstance(node, list):
+            return '[%s]' % ', '.join(_format(x) for x in node)
+        return repr(node)
+    if not isinstance(node, AST):
+        raise TypeError('expected AST, got %r' % node.__class__.__name__)
+    return _format(node)
+
+
+def copy_location(new_node, old_node):
+    """
+    Copy source location (`lineno`, `col_offset`, `end_lineno`, and `end_col_offset`
+    attributes) from *old_node* to *new_node* if possible, and return *new_node*.
+    """
+    for attr in 'lineno', 'col_offset', 'end_lineno', 'end_col_offset':
+        if attr in old_node._attributes and attr in new_node._attributes:
+            value = getattr(old_node, attr, None)
+            # end_lineno and end_col_offset are optional attributes, and they
+            # should be copied whether the value is None or not.
+            if value is not None or (
+                hasattr(old_node, attr) and attr.startswith("end_")
+            ):
+                setattr(new_node, attr, value)
+    return new_node
+
+
+def fix_missing_locations(node):
+    """
+    When you compile a node tree with compile(), the compiler expects lineno and
+    col_offset attributes for every node that supports them.  This is rather
+    tedious to fill in for generated nodes, so this helper adds these attributes
+    recursively where not already set, by setting them to the values of the
+    parent node.  It works recursively starting at *node*.
+    """
+    def _fix(node, lineno, col_offset, end_lineno, end_col_offset):
+        if 'lineno' in node._attributes:
+            if not hasattr(node, 'lineno'):
+                node.lineno = lineno
+            else:
+                lineno = node.lineno
+        if 'end_lineno' in node._attributes:
+            if not hasattr(node, 'end_lineno'):
+                node.end_lineno = end_lineno
+            else:
+                end_lineno = node.end_lineno
+        if 'col_offset' in node._attributes:
+            if not hasattr(node, 'col_offset'):
+                node.col_offset = col_offset
+            else:
+                col_offset = node.col_offset
+        if 'end_col_offset' in node._attributes:
+            if not hasattr(node, 'end_col_offset'):
+                node.end_col_offset = end_col_offset
+            else:
+                end_col_offset = node.end_col_offset
+        for child in iter_child_nodes(node):
+            _fix(child, lineno, col_offset, end_lineno, end_col_offset)
+    _fix(node, 1, 0, 1, 0)
+    return node
+
+
+def increment_lineno(node, n=1):
+    """
+    Increment the line number and end line number of each node in the tree
+    starting at *node* by *n*. This is useful to "move code" to a different
+    location in a file.
+    """
+    for child in walk(node):
+        if 'lineno' in child._attributes:
+            child.lineno = getattr(child, 'lineno', 0) + n
+        if (
+            "end_lineno" in child._attributes
+            and (end_lineno := getattr(child, "end_lineno", 0)) is not None
+        ):
+            child.end_lineno = end_lineno + n
+    return node
+
+
+def iter_fields(node):
+    """
+    Yield a tuple of ``(fieldname, value)`` for each field in ``node._fields``
+    that is present on *node*.
+    """
+    for field in node._fields:
+        try:
+            yield field, getattr(node, field)
+        except AttributeError:
+            pass
+
+
+def iter_child_nodes(node):
+    """
+    Yield all direct child nodes of *node*, that is, all fields that are nodes
+    and all items of fields that are lists of nodes.
+    """
+    for name, field in iter_fields(node):
+        if isinstance(field, AST):
+            yield field
+        elif isinstance(field, list):
+            for item in field:
+                if isinstance(item, AST):
+                    yield item
+
+
+def get_docstring(node, clean=True):
+    """
+    Return the docstring for the given node or None if no docstring can
+    be found.  If the node provided does not have docstrings a TypeError
+    will be raised.
+
+    If *clean* is `True`, all tabs are expanded to spaces and any whitespace
+    that can be uniformly removed from the second line onwards is removed.
+    """
+    if not isinstance(node, (AsyncFunctionDef, FunctionDef, ClassDef, Module)):
+        raise TypeError("%r can't have docstrings" % node.__class__.__name__)
+    if not(node.body and isinstance(node.body[0], Expr)):
+        return None
+    node = node.body[0].value
+    if isinstance(node, Str):
+        text = node.s
+    elif isinstance(node, Constant) and isinstance(node.value, str):
+        text = node.value
+    else:
+        return None
+    if clean:
+        import inspect
+        text = inspect.cleandoc(text)
+    return text
+
+
+def _splitlines_no_ff(source):
+    """Split a string into lines ignoring form feed and other chars.
+
+    This mimics how the Python parser splits source code.
+    """
+    idx = 0
+    lines = []
+    next_line = ''
+    while idx < len(source):
+        c = source[idx]
+        next_line += c
+        idx += 1
+        # Keep \r\n together
+        if c == '\r' and idx < len(source) and source[idx] == '\n':
+            next_line += '\n'
+            idx += 1
+        if c in '\r\n':
+            lines.append(next_line)
+            next_line = ''
+
+    if next_line:
+        lines.append(next_line)
+    return lines
+
+
+def _pad_whitespace(source):
+    r"""Replace all chars except '\f\t' in a line with spaces."""
+    result = ''
+    for c in source:
+        if c in '\f\t':
+            result += c
+        else:
+            result += ' '
+    return result
+
+
+def get_source_segment(source, node, *, padded=False):
+    """Get source code segment of the *source* that generated *node*.
+
+    If some location information (`lineno`, `end_lineno`, `col_offset`,
+    or `end_col_offset`) is missing, return None.
+
+    If *padded* is `True`, the first line of a multi-line statement will
+    be padded with spaces to match its original position.
+    """
+    try:
+        lineno = node.lineno - 1
+        end_lineno = node.end_lineno - 1
+        col_offset = node.col_offset
+        end_col_offset = node.end_col_offset
+    except AttributeError:
+        return None
+
+    lines = _splitlines_no_ff(source)
+    if end_lineno == lineno:
+        return lines[lineno].encode()[col_offset:end_col_offset].decode()
+
+    if padded:
+        padding = _pad_whitespace(lines[lineno].encode()[:col_offset].decode())
+    else:
+        padding = ''
+
+    first = padding + lines[lineno].encode()[col_offset:].decode()
+    last = lines[end_lineno].encode()[:end_col_offset].decode()
+    lines = lines[lineno+1:end_lineno]
+
+    lines.insert(0, first)
+    lines.append(last)
+    return ''.join(lines)
+
+
+def walk(node):
+    """
+    Recursively yield all descendant nodes in the tree starting at *node*
+    (including *node* itself), in no specified order.  This is useful if you
+    only want to modify nodes in place and don't care about the context.
+    """
+    from collections import deque
+    todo = deque([node])
+    while todo:
+        node = todo.popleft()
+        todo.extend(iter_child_nodes(node))
+        yield node
+
+
+class NodeVisitor(object):
+    """
+    A node visitor base class that walks the abstract syntax tree and calls a
+    visitor function for every node found.  This function may return a value
+    which is forwarded by the `visit` method.
+
+    This class is meant to be subclassed, with the subclass adding visitor
+    methods.
+
+    Per default the visitor functions for the nodes are ``'visit_'`` +
+    class name of the node.  So a `TryFinally` node visit function would
+    be `visit_TryFinally`.  This behavior can be changed by overriding
+    the `visit` method.  If no visitor function exists for a node
+    (return value `None`) the `generic_visit` visitor is used instead.
+
+    Don't use the `NodeVisitor` if you want to apply changes to nodes during
+    traversing.  For this a special visitor exists (`NodeTransformer`) that
+    allows modifications.
+    """
+
+    def visit(self, node):
+        """Visit a node."""
+        method = 'visit_' + node.__class__.__name__
+        visitor = getattr(self, method, self.generic_visit)
+        return visitor(node)
+
+    def generic_visit(self, node):
+        """Called if no explicit visitor function exists for a node."""
+        for field, value in iter_fields(node):
+            if isinstance(value, list):
+                for item in value:
+                    if isinstance(item, AST):
+                        self.visit(item)
+            elif isinstance(value, AST):
+                self.visit(value)
+
+    def visit_Constant(self, node):
+        value = node.value
+        type_name = _const_node_type_names.get(type(value))
+        if type_name is None:
+            for cls, name in _const_node_type_names.items():
+                if isinstance(value, cls):
+                    type_name = name
+                    break
+        if type_name is not None:
+            method = 'visit_' + type_name
+            try:
+                visitor = getattr(self, method)
+            except AttributeError:
+                pass
+            else:
+                import warnings
+                warnings.warn(f"{method} is deprecated; add visit_Constant",
+                              PendingDeprecationWarning, 2)
+                return visitor(node)
+        return self.generic_visit(node)
+
+
+class NodeTransformer(NodeVisitor):
+    """
+    A :class:`NodeVisitor` subclass that walks the abstract syntax tree and
+    allows modification of nodes.
+
+    The `NodeTransformer` will walk the AST and use the return value of the
+    visitor methods to replace or remove the old node.  If the return value of
+    the visitor method is ``None``, the node will be removed from its location,
+    otherwise it is replaced with the return value.  The return value may be the
+    original node in which case no replacement takes place.
+
+    Here is an example transformer that rewrites all occurrences of name lookups
+    (``foo``) to ``data['foo']``::
+
+       class RewriteName(NodeTransformer):
+
+           def visit_Name(self, node):
+               return Subscript(
+                   value=Name(id='data', ctx=Load()),
+                   slice=Index(value=Str(s=node.id)),
+                   ctx=node.ctx
+               )
+
+    Keep in mind that if the node you're operating on has child nodes you must
+    either transform the child nodes yourself or call the :meth:`generic_visit`
+    method for the node first.
+
+    For nodes that were part of a collection of statements (that applies to all
+    statement nodes), the visitor may also return a list of nodes rather than
+    just a single node.
+
+    Usually you use the transformer like this::
+
+       node = YourTransformer().visit(node)
+    """
+
+    def generic_visit(self, node):
+        for field, old_value in iter_fields(node):
+            if isinstance(old_value, list):
+                new_values = []
+                for value in old_value:
+                    if isinstance(value, AST):
+                        value = self.visit(value)
+                        if value is None:
+                            continue
+                        elif not isinstance(value, AST):
+                            new_values.extend(value)
+                            continue
+                    new_values.append(value)
+                old_value[:] = new_values
+            elif isinstance(old_value, AST):
+                new_node = self.visit(old_value)
+                if new_node is None:
+                    delattr(node, field)
+                else:
+                    setattr(node, field, new_node)
+        return node
+
+
+# The following code is for backward compatibility.
+# It will be removed in future.
+
+def _getter(self):
+    return self.value
+
+def _setter(self, value):
+    self.value = value
+
+Constant.n = property(_getter, _setter)
+Constant.s = property(_getter, _setter)
+
+class _ABC(type):
+
+    def __instancecheck__(cls, inst):
+        if not isinstance(inst, Constant):
+            return False
+        if cls in _const_types:
+            try:
+                value = inst.value
+            except AttributeError:
+                return False
+            else:
+                return (
+                    isinstance(value, _const_types[cls]) and
+                    not isinstance(value, _const_types_not.get(cls, ()))
+                )
+        return type.__instancecheck__(cls, inst)
+
+def _new(cls, *args, **kwargs):
+    for key in kwargs:
+        if key not in cls._fields:
+            # arbitrary keyword arguments are accepted
+            continue
+        pos = cls._fields.index(key)
+        if pos < len(args):
+            raise TypeError(f"{cls.__name__} got multiple values for argument {key!r}")
+    if cls in _const_types:
+        return Constant(*args, **kwargs)
+    return Constant.__new__(cls, *args, **kwargs)
+
+class Num(Constant, metaclass=_ABC):
+    _fields = ('n',)
+    __new__ = _new
+
+class Str(Constant, metaclass=_ABC):
+    _fields = ('s',)
+    __new__ = _new
+
+class Bytes(Constant, metaclass=_ABC):
+    _fields = ('s',)
+    __new__ = _new
+
+class NameConstant(Constant, metaclass=_ABC):
+    __new__ = _new
+
+class Ellipsis(Constant, metaclass=_ABC):
+    _fields = ()
+
+    def __new__(cls, *args, **kwargs):
+        if cls is Ellipsis:
+            return Constant(..., *args, **kwargs)
+        return Constant.__new__(cls, *args, **kwargs)
+
+_const_types = {
+    Num: (int, float, complex),
+    Str: (str,),
+    Bytes: (bytes,),
+    NameConstant: (type(None), bool),
+    Ellipsis: (type(...),),
+}
+_const_types_not = {
+    Num: (bool,),
+}
+_const_node_type_names = {
+    bool: 'NameConstant',  # should be before int
+    type(None): 'NameConstant',
+    int: 'Num',
+    float: 'Num',
+    complex: 'Num',
+    str: 'Str',
+    bytes: 'Bytes',
+    type(...): 'Ellipsis',
+}

my_container_sandbox/workspace/anaconda3/lib/python3.8/asynchat.py

@@ -0,0 +1,307 @@
+# -*- Mode: Python; tab-width: 4 -*-
+#       Id: asynchat.py,v 2.26 2000/09/07 22:29:26 rushing Exp
+#       Author: Sam Rushing <rushing@nightmare.com>
+
+# ======================================================================
+# Copyright 1996 by Sam Rushing
+#
+#                         All Rights Reserved
+#
+# Permission to use, copy, modify, and distribute this software and
+# its documentation for any purpose and without fee is hereby
+# granted, provided that the above copyright notice appear in all
+# copies and that both that copyright notice and this permission
+# notice appear in supporting documentation, and that the name of Sam
+# Rushing not be used in advertising or publicity pertaining to
+# distribution of the software without specific, written prior
+# permission.
+#
+# SAM RUSHING DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+# INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+# NO EVENT SHALL SAM RUSHING BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+# ======================================================================
+
+r"""A class supporting chat-style (command/response) protocols.
+
+This class adds support for 'chat' style protocols - where one side
+sends a 'command', and the other sends a response (examples would be
+the common internet protocols - smtp, nntp, ftp, etc..).
+
+The handle_read() method looks at the input stream for the current
+'terminator' (usually '\r\n' for single-line responses, '\r\n.\r\n'
+for multi-line output), calling self.found_terminator() on its
+receipt.
+
+for example:
+Say you build an async nntp client using this class.  At the start
+of the connection, you'll have self.terminator set to '\r\n', in
+order to process the single-line greeting.  Just before issuing a
+'LIST' command you'll set it to '\r\n.\r\n'.  The output of the LIST
+command will be accumulated (using your own 'collect_incoming_data'
+method) up to the terminator, and then control will be returned to
+you - by calling your self.found_terminator() method.
+"""
+import asyncore
+from collections import deque
+
+
+class async_chat(asyncore.dispatcher):
+    """This is an abstract class.  You must derive from this class, and add
+    the two methods collect_incoming_data() and found_terminator()"""
+
+    # these are overridable defaults
+
+    ac_in_buffer_size = 65536
+    ac_out_buffer_size = 65536
+
+    # we don't want to enable the use of encoding by default, because that is a
+    # sign of an application bug that we don't want to pass silently
+
+    use_encoding = 0
+    encoding = 'latin-1'
+
+    def __init__(self, sock=None, map=None):
+        # for string terminator matching
+        self.ac_in_buffer = b''
+
+        # we use a list here rather than io.BytesIO for a few reasons...
+        # del lst[:] is faster than bio.truncate(0)
+        # lst = [] is faster than bio.truncate(0)
+        self.incoming = []
+
+        # we toss the use of the "simple producer" and replace it with
+        # a pure deque, which the original fifo was a wrapping of
+        self.producer_fifo = deque()
+        asyncore.dispatcher.__init__(self, sock, map)
+
+    def collect_incoming_data(self, data):
+        raise NotImplementedError("must be implemented in subclass")
+
+    def _collect_incoming_data(self, data):
+        self.incoming.append(data)
+
+    def _get_data(self):
+        d = b''.join(self.incoming)
+        del self.incoming[:]
+        return d
+
+    def found_terminator(self):
+        raise NotImplementedError("must be implemented in subclass")
+
+    def set_terminator(self, term):
+        """Set the input delimiter.
+
+        Can be a fixed string of any length, an integer, or None.
+        """
+        if isinstance(term, str) and self.use_encoding:
+            term = bytes(term, self.encoding)
+        elif isinstance(term, int) and term < 0:
+            raise ValueError('the number of received bytes must be positive')
+        self.terminator = term
+
+    def get_terminator(self):
+        return self.terminator
+
+    # grab some more data from the socket,
+    # throw it to the collector method,
+    # check for the terminator,
+    # if found, transition to the next state.
+
+    def handle_read(self):
+
+        try:
+            data = self.recv(self.ac_in_buffer_size)
+        except BlockingIOError:
+            return
+        except OSError as why:
+            self.handle_error()
+            return
+
+        if isinstance(data, str) and self.use_encoding:
+            data = bytes(str, self.encoding)
+        self.ac_in_buffer = self.ac_in_buffer + data
+
+        # Continue to search for self.terminator in self.ac_in_buffer,
+        # while calling self.collect_incoming_data.  The while loop
+        # is necessary because we might read several data+terminator
+        # combos with a single recv(4096).
+
+        while self.ac_in_buffer:
+            lb = len(self.ac_in_buffer)
+            terminator = self.get_terminator()
+            if not terminator:
+                # no terminator, collect it all
+                self.collect_incoming_data(self.ac_in_buffer)
+                self.ac_in_buffer = b''
+            elif isinstance(terminator, int):
+                # numeric terminator
+                n = terminator
+                if lb < n:
+                    self.collect_incoming_data(self.ac_in_buffer)
+                    self.ac_in_buffer = b''
+                    self.terminator = self.terminator - lb
+                else:
+                    self.collect_incoming_data(self.ac_in_buffer[:n])
+                    self.ac_in_buffer = self.ac_in_buffer[n:]
+                    self.terminator = 0
+                    self.found_terminator()
+            else:
+                # 3 cases:
+                # 1) end of buffer matches terminator exactly:
+                #    collect data, transition
+                # 2) end of buffer matches some prefix:
+                #    collect data to the prefix
+                # 3) end of buffer does not match any prefix:
+                #    collect data
+                terminator_len = len(terminator)
+                index = self.ac_in_buffer.find(terminator)
+                if index != -1:
+                    # we found the terminator
+                    if index > 0:
+                        # don't bother reporting the empty string
+                        # (source of subtle bugs)
+                        self.collect_incoming_data(self.ac_in_buffer[:index])
+                    self.ac_in_buffer = self.ac_in_buffer[index+terminator_len:]
+                    # This does the Right Thing if the terminator
+                    # is changed here.
+                    self.found_terminator()
+                else:
+                    # check for a prefix of the terminator
+                    index = find_prefix_at_end(self.ac_in_buffer, terminator)
+                    if index:
+                        if index != lb:
+                            # we found a prefix, collect up to the prefix
+                            self.collect_incoming_data(self.ac_in_buffer[:-index])
+                            self.ac_in_buffer = self.ac_in_buffer[-index:]
+                        break
+                    else:
+                        # no prefix, collect it all
+                        self.collect_incoming_data(self.ac_in_buffer)
+                        self.ac_in_buffer = b''
+
+    def handle_write(self):
+        self.initiate_send()
+
+    def handle_close(self):
+        self.close()
+
+    def push(self, data):
+        if not isinstance(data, (bytes, bytearray, memoryview)):
+            raise TypeError('data argument must be byte-ish (%r)',
+                            type(data))
+        sabs = self.ac_out_buffer_size
+        if len(data) > sabs:
+            for i in range(0, len(data), sabs):
+                self.producer_fifo.append(data[i:i+sabs])
+        else:
+            self.producer_fifo.append(data)
+        self.initiate_send()
+
+    def push_with_producer(self, producer):
+        self.producer_fifo.append(producer)
+        self.initiate_send()
+
+    def readable(self):
+        "predicate for inclusion in the readable for select()"
+        # cannot use the old predicate, it violates the claim of the
+        # set_terminator method.
+
+        # return (len(self.ac_in_buffer) <= self.ac_in_buffer_size)
+        return 1
+
+    def writable(self):
+        "predicate for inclusion in the writable for select()"
+        return self.producer_fifo or (not self.connected)
+
+    def close_when_done(self):
+        "automatically close this channel once the outgoing queue is empty"
+        self.producer_fifo.append(None)
+
+    def initiate_send(self):
+        while self.producer_fifo and self.connected:
+            first = self.producer_fifo[0]
+            # handle empty string/buffer or None entry
+            if not first:
+                del self.producer_fifo[0]
+                if first is None:
+                    self.handle_close()
+                    return
+
+            # handle classic producer behavior
+            obs = self.ac_out_buffer_size
+            try:
+                data = first[:obs]
+            except TypeError:
+                data = first.more()
+                if data:
+                    self.producer_fifo.appendleft(data)
+                else:
+                    del self.producer_fifo[0]
+                continue
+
+            if isinstance(data, str) and self.use_encoding:
+                data = bytes(data, self.encoding)
+
+            # send the data
+            try:
+                num_sent = self.send(data)
+            except OSError:
+                self.handle_error()
+                return
+
+            if num_sent:
+                if num_sent < len(data) or obs < len(first):
+                    self.producer_fifo[0] = first[num_sent:]
+                else:
+                    del self.producer_fifo[0]
+            # we tried to send some actual data
+            return
+
+    def discard_buffers(self):
+        # Emergencies only!
+        self.ac_in_buffer = b''
+        del self.incoming[:]
+        self.producer_fifo.clear()
+
+
+class simple_producer:
+
+    def __init__(self, data, buffer_size=512):
+        self.data = data
+        self.buffer_size = buffer_size
+
+    def more(self):
+        if len(self.data) > self.buffer_size:
+            result = self.data[:self.buffer_size]
+            self.data = self.data[self.buffer_size:]
+            return result
+        else:
+            result = self.data
+            self.data = b''
+            return result
+
+
+# Given 'haystack', see if any prefix of 'needle' is at its end.  This
+# assumes an exact match has already been checked.  Return the number of
+# characters matched.
+# for example:
+# f_p_a_e("qwerty\r", "\r\n") => 1
+# f_p_a_e("qwertydkjf", "\r\n") => 0
+# f_p_a_e("qwerty\r\n", "\r\n") => <undefined>
+
+# this could maybe be made faster with a computed regex?
+# [answer: no; circa Python-2.0, Jan 2001]
+# new python:   28961/s
+# old python:   18307/s
+# re:        12820/s
+# regex:     14035/s
+
+def find_prefix_at_end(haystack, needle):
+    l = len(needle) - 1
+    while l and not haystack.endswith(needle[:l]):
+        l -= 1
+    return l

my_container_sandbox/workspace/anaconda3/lib/python3.8/base64.py

@@ -0,0 +1,595 @@
+#! /usr/bin/env python3
+
+"""Base16, Base32, Base64 (RFC 3548), Base85 and Ascii85 data encodings"""
+
+# Modified 04-Oct-1995 by Jack Jansen to use binascii module
+# Modified 30-Dec-2003 by Barry Warsaw to add full RFC 3548 support
+# Modified 22-May-2007 by Guido van Rossum to use bytes everywhere
+
+import re
+import struct
+import binascii
+
+
+__all__ = [
+    # Legacy interface exports traditional RFC 2045 Base64 encodings
+    'encode', 'decode', 'encodebytes', 'decodebytes',
+    # Generalized interface for other encodings
+    'b64encode', 'b64decode', 'b32encode', 'b32decode',
+    'b16encode', 'b16decode',
+    # Base85 and Ascii85 encodings
+    'b85encode', 'b85decode', 'a85encode', 'a85decode',
+    # Standard Base64 encoding
+    'standard_b64encode', 'standard_b64decode',
+    # Some common Base64 alternatives.  As referenced by RFC 3458, see thread
+    # starting at:
+    #
+    # http://zgp.org/pipermail/p2p-hackers/2001-September/000316.html
+    'urlsafe_b64encode', 'urlsafe_b64decode',
+    ]
+
+
+bytes_types = (bytes, bytearray)  # Types acceptable as binary data
+
+def _bytes_from_decode_data(s):
+    if isinstance(s, str):
+        try:
+            return s.encode('ascii')
+        except UnicodeEncodeError:
+            raise ValueError('string argument should contain only ASCII characters')
+    if isinstance(s, bytes_types):
+        return s
+    try:
+        return memoryview(s).tobytes()
+    except TypeError:
+        raise TypeError("argument should be a bytes-like object or ASCII "
+                        "string, not %r" % s.__class__.__name__) from None
+
+
+# Base64 encoding/decoding uses binascii
+
+def b64encode(s, altchars=None):
+    """Encode the bytes-like object s using Base64 and return a bytes object.
+
+    Optional altchars should be a byte string of length 2 which specifies an
+    alternative alphabet for the '+' and '/' characters.  This allows an
+    application to e.g. generate url or filesystem safe Base64 strings.
+    """
+    encoded = binascii.b2a_base64(s, newline=False)
+    if altchars is not None:
+        assert len(altchars) == 2, repr(altchars)
+        return encoded.translate(bytes.maketrans(b'+/', altchars))
+    return encoded
+
+
+def b64decode(s, altchars=None, validate=False):
+    """Decode the Base64 encoded bytes-like object or ASCII string s.
+
+    Optional altchars must be a bytes-like object or ASCII string of length 2
+    which specifies the alternative alphabet used instead of the '+' and '/'
+    characters.
+
+    The result is returned as a bytes object.  A binascii.Error is raised if
+    s is incorrectly padded.
+
+    If validate is False (the default), characters that are neither in the
+    normal base-64 alphabet nor the alternative alphabet are discarded prior
+    to the padding check.  If validate is True, these non-alphabet characters
+    in the input result in a binascii.Error.
+    """
+    s = _bytes_from_decode_data(s)
+    if altchars is not None:
+        altchars = _bytes_from_decode_data(altchars)
+        assert len(altchars) == 2, repr(altchars)
+        s = s.translate(bytes.maketrans(altchars, b'+/'))
+    if validate and not re.fullmatch(b'[A-Za-z0-9+/]*={0,2}', s):
+        raise binascii.Error('Non-base64 digit found')
+    return binascii.a2b_base64(s)
+
+
+def standard_b64encode(s):
+    """Encode bytes-like object s using the standard Base64 alphabet.
+
+    The result is returned as a bytes object.
+    """
+    return b64encode(s)
+
+def standard_b64decode(s):
+    """Decode bytes encoded with the standard Base64 alphabet.
+
+    Argument s is a bytes-like object or ASCII string to decode.  The result
+    is returned as a bytes object.  A binascii.Error is raised if the input
+    is incorrectly padded.  Characters that are not in the standard alphabet
+    are discarded prior to the padding check.
+    """
+    return b64decode(s)
+
+
+_urlsafe_encode_translation = bytes.maketrans(b'+/', b'-_')
+_urlsafe_decode_translation = bytes.maketrans(b'-_', b'+/')
+
+def urlsafe_b64encode(s):
+    """Encode bytes using the URL- and filesystem-safe Base64 alphabet.
+
+    Argument s is a bytes-like object to encode.  The result is returned as a
+    bytes object.  The alphabet uses '-' instead of '+' and '_' instead of
+    '/'.
+    """
+    return b64encode(s).translate(_urlsafe_encode_translation)
+
+def urlsafe_b64decode(s):
+    """Decode bytes using the URL- and filesystem-safe Base64 alphabet.
+
+    Argument s is a bytes-like object or ASCII string to decode.  The result
+    is returned as a bytes object.  A binascii.Error is raised if the input
+    is incorrectly padded.  Characters that are not in the URL-safe base-64
+    alphabet, and are not a plus '+' or slash '/', are discarded prior to the
+    padding check.
+
+    The alphabet uses '-' instead of '+' and '_' instead of '/'.
+    """
+    s = _bytes_from_decode_data(s)
+    s = s.translate(_urlsafe_decode_translation)
+    return b64decode(s)
+
+
+
+# Base32 encoding/decoding must be done in Python
+_b32alphabet = b'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567'
+_b32tab2 = None
+_b32rev = None
+
+def b32encode(s):
+    """Encode the bytes-like object s using Base32 and return a bytes object.
+    """
+    global _b32tab2
+    # Delay the initialization of the table to not waste memory
+    # if the function is never called
+    if _b32tab2 is None:
+        b32tab = [bytes((i,)) for i in _b32alphabet]
+        _b32tab2 = [a + b for a in b32tab for b in b32tab]
+        b32tab = None
+
+    if not isinstance(s, bytes_types):
+        s = memoryview(s).tobytes()
+    leftover = len(s) % 5
+    # Pad the last quantum with zero bits if necessary
+    if leftover:
+        s = s + b'\0' * (5 - leftover)  # Don't use += !
+    encoded = bytearray()
+    from_bytes = int.from_bytes
+    b32tab2 = _b32tab2
+    for i in range(0, len(s), 5):
+        c = from_bytes(s[i: i + 5], 'big')
+        encoded += (b32tab2[c >> 30] +           # bits 1 - 10
+                    b32tab2[(c >> 20) & 0x3ff] + # bits 11 - 20
+                    b32tab2[(c >> 10) & 0x3ff] + # bits 21 - 30
+                    b32tab2[c & 0x3ff]           # bits 31 - 40
+                   )
+    # Adjust for any leftover partial quanta
+    if leftover == 1:
+        encoded[-6:] = b'======'
+    elif leftover == 2:
+        encoded[-4:] = b'===='
+    elif leftover == 3:
+        encoded[-3:] = b'==='
+    elif leftover == 4:
+        encoded[-1:] = b'='
+    return bytes(encoded)
+
+def b32decode(s, casefold=False, map01=None):
+    """Decode the Base32 encoded bytes-like object or ASCII string s.
+
+    Optional casefold is a flag specifying whether a lowercase alphabet is
+    acceptable as input.  For security purposes, the default is False.
+
+    RFC 3548 allows for optional mapping of the digit 0 (zero) to the
+    letter O (oh), and for optional mapping of the digit 1 (one) to
+    either the letter I (eye) or letter L (el).  The optional argument
+    map01 when not None, specifies which letter the digit 1 should be
+    mapped to (when map01 is not None, the digit 0 is always mapped to
+    the letter O).  For security purposes the default is None, so that
+    0 and 1 are not allowed in the input.
+
+    The result is returned as a bytes object.  A binascii.Error is raised if
+    the input is incorrectly padded or if there are non-alphabet
+    characters present in the input.
+    """
+    global _b32rev
+    # Delay the initialization of the table to not waste memory
+    # if the function is never called
+    if _b32rev is None:
+        _b32rev = {v: k for k, v in enumerate(_b32alphabet)}
+    s = _bytes_from_decode_data(s)
+    if len(s) % 8:
+        raise binascii.Error('Incorrect padding')
+    # Handle section 2.4 zero and one mapping.  The flag map01 will be either
+    # False, or the character to map the digit 1 (one) to.  It should be
+    # either L (el) or I (eye).
+    if map01 is not None:
+        map01 = _bytes_from_decode_data(map01)
+        assert len(map01) == 1, repr(map01)
+        s = s.translate(bytes.maketrans(b'01', b'O' + map01))
+    if casefold:
+        s = s.upper()
+    # Strip off pad characters from the right.  We need to count the pad
+    # characters because this will tell us how many null bytes to remove from
+    # the end of the decoded string.
+    l = len(s)
+    s = s.rstrip(b'=')
+    padchars = l - len(s)
+    # Now decode the full quanta
+    decoded = bytearray()
+    b32rev = _b32rev
+    for i in range(0, len(s), 8):
+        quanta = s[i: i + 8]
+        acc = 0
+        try:
+            for c in quanta:
+                acc = (acc << 5) + b32rev[c]
+        except KeyError:
+            raise binascii.Error('Non-base32 digit found') from None
+        decoded += acc.to_bytes(5, 'big')
+    # Process the last, partial quanta
+    if l % 8 or padchars not in {0, 1, 3, 4, 6}:
+        raise binascii.Error('Incorrect padding')
+    if padchars and decoded:
+        acc <<= 5 * padchars
+        last = acc.to_bytes(5, 'big')
+        leftover = (43 - 5 * padchars) // 8  # 1: 4, 3: 3, 4: 2, 6: 1
+        decoded[-5:] = last[:leftover]
+    return bytes(decoded)
+
+
+# RFC 3548, Base 16 Alphabet specifies uppercase, but hexlify() returns
+# lowercase.  The RFC also recommends against accepting input case
+# insensitively.
+def b16encode(s):
+    """Encode the bytes-like object s using Base16 and return a bytes object.
+    """
+    return binascii.hexlify(s).upper()
+
+
+def b16decode(s, casefold=False):
+    """Decode the Base16 encoded bytes-like object or ASCII string s.
+
+    Optional casefold is a flag specifying whether a lowercase alphabet is
+    acceptable as input.  For security purposes, the default is False.
+
+    The result is returned as a bytes object.  A binascii.Error is raised if
+    s is incorrectly padded or if there are non-alphabet characters present
+    in the input.
+    """
+    s = _bytes_from_decode_data(s)
+    if casefold:
+        s = s.upper()
+    if re.search(b'[^0-9A-F]', s):
+        raise binascii.Error('Non-base16 digit found')
+    return binascii.unhexlify(s)
+
+#
+# Ascii85 encoding/decoding
+#
+
+_a85chars = None
+_a85chars2 = None
+_A85START = b"<~"
+_A85END = b"~>"
+
+def _85encode(b, chars, chars2, pad=False, foldnuls=False, foldspaces=False):
+    # Helper function for a85encode and b85encode
+    if not isinstance(b, bytes_types):
+        b = memoryview(b).tobytes()
+
+    padding = (-len(b)) % 4
+    if padding:
+        b = b + b'\0' * padding
+    words = struct.Struct('!%dI' % (len(b) // 4)).unpack(b)
+
+    chunks = [b'z' if foldnuls and not word else
+              b'y' if foldspaces and word == 0x20202020 else
+              (chars2[word // 614125] +
+               chars2[word // 85 % 7225] +
+               chars[word % 85])
+              for word in words]
+
+    if padding and not pad:
+        if chunks[-1] == b'z':
+            chunks[-1] = chars[0] * 5
+        chunks[-1] = chunks[-1][:-padding]
+
+    return b''.join(chunks)
+
+def a85encode(b, *, foldspaces=False, wrapcol=0, pad=False, adobe=False):
+    """Encode bytes-like object b using Ascii85 and return a bytes object.
+
+    foldspaces is an optional flag that uses the special short sequence 'y'
+    instead of 4 consecutive spaces (ASCII 0x20) as supported by 'btoa'. This
+    feature is not supported by the "standard" Adobe encoding.
+
+    wrapcol controls whether the output should have newline (b'\\n') characters
+    added to it. If this is non-zero, each output line will be at most this
+    many characters long.
+
+    pad controls whether the input is padded to a multiple of 4 before
+    encoding. Note that the btoa implementation always pads.
+
+    adobe controls whether the encoded byte sequence is framed with <~ and ~>,
+    which is used by the Adobe implementation.
+    """
+    global _a85chars, _a85chars2
+    # Delay the initialization of tables to not waste memory
+    # if the function is never called
+    if _a85chars2 is None:
+        _a85chars = [bytes((i,)) for i in range(33, 118)]
+        _a85chars2 = [(a + b) for a in _a85chars for b in _a85chars]
+
+    result = _85encode(b, _a85chars, _a85chars2, pad, True, foldspaces)
+
+    if adobe:
+        result = _A85START + result
+    if wrapcol:
+        wrapcol = max(2 if adobe else 1, wrapcol)
+        chunks = [result[i: i + wrapcol]
+                  for i in range(0, len(result), wrapcol)]
+        if adobe:
+            if len(chunks[-1]) + 2 > wrapcol:
+                chunks.append(b'')
+        result = b'\n'.join(chunks)
+    if adobe:
+        result += _A85END
+
+    return result
+
+def a85decode(b, *, foldspaces=False, adobe=False, ignorechars=b' \t\n\r\v'):
+    """Decode the Ascii85 encoded bytes-like object or ASCII string b.
+
+    foldspaces is a flag that specifies whether the 'y' short sequence should be
+    accepted as shorthand for 4 consecutive spaces (ASCII 0x20). This feature is
+    not supported by the "standard" Adobe encoding.
+
+    adobe controls whether the input sequence is in Adobe Ascii85 format (i.e.
+    is framed with <~ and ~>).
+
+    ignorechars should be a byte string containing characters to ignore from the
+    input. This should only contain whitespace characters, and by default
+    contains all whitespace characters in ASCII.
+
+    The result is returned as a bytes object.
+    """
+    b = _bytes_from_decode_data(b)
+    if adobe:
+        if not b.endswith(_A85END):
+            raise ValueError(
+                "Ascii85 encoded byte sequences must end "
+                "with {!r}".format(_A85END)
+                )
+        if b.startswith(_A85START):
+            b = b[2:-2]  # Strip off start/end markers
+        else:
+            b = b[:-2]
+    #
+    # We have to go through this stepwise, so as to ignore spaces and handle
+    # special short sequences
+    #
+    packI = struct.Struct('!I').pack
+    decoded = []
+    decoded_append = decoded.append
+    curr = []
+    curr_append = curr.append
+    curr_clear = curr.clear
+    for x in b + b'u' * 4:
+        if b'!'[0] <= x <= b'u'[0]:
+            curr_append(x)
+            if len(curr) == 5:
+                acc = 0
+                for x in curr:
+                    acc = 85 * acc + (x - 33)
+                try:
+                    decoded_append(packI(acc))
+                except struct.error:
+                    raise ValueError('Ascii85 overflow') from None
+                curr_clear()
+        elif x == b'z'[0]:
+            if curr:
+                raise ValueError('z inside Ascii85 5-tuple')
+            decoded_append(b'\0\0\0\0')
+        elif foldspaces and x == b'y'[0]:
+            if curr:
+                raise ValueError('y inside Ascii85 5-tuple')
+            decoded_append(b'\x20\x20\x20\x20')
+        elif x in ignorechars:
+            # Skip whitespace
+            continue
+        else:
+            raise ValueError('Non-Ascii85 digit found: %c' % x)
+
+    result = b''.join(decoded)
+    padding = 4 - len(curr)
+    if padding:
+        # Throw away the extra padding
+        result = result[:-padding]
+    return result
+
+# The following code is originally taken (with permission) from Mercurial
+
+_b85alphabet = (b"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                b"abcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~")
+_b85chars = None
+_b85chars2 = None
+_b85dec = None
+
+def b85encode(b, pad=False):
+    """Encode bytes-like object b in base85 format and return a bytes object.
+
+    If pad is true, the input is padded with b'\\0' so its length is a multiple of
+    4 bytes before encoding.
+    """
+    global _b85chars, _b85chars2
+    # Delay the initialization of tables to not waste memory
+    # if the function is never called
+    if _b85chars2 is None:
+        _b85chars = [bytes((i,)) for i in _b85alphabet]
+        _b85chars2 = [(a + b) for a in _b85chars for b in _b85chars]
+    return _85encode(b, _b85chars, _b85chars2, pad)
+
+def b85decode(b):
+    """Decode the base85-encoded bytes-like object or ASCII string b
+
+    The result is returned as a bytes object.
+    """
+    global _b85dec
+    # Delay the initialization of tables to not waste memory
+    # if the function is never called
+    if _b85dec is None:
+        _b85dec = [None] * 256
+        for i, c in enumerate(_b85alphabet):
+            _b85dec[c] = i
+
+    b = _bytes_from_decode_data(b)
+    padding = (-len(b)) % 5
+    b = b + b'~' * padding
+    out = []
+    packI = struct.Struct('!I').pack
+    for i in range(0, len(b), 5):
+        chunk = b[i:i + 5]
+        acc = 0
+        try:
+            for c in chunk:
+                acc = acc * 85 + _b85dec[c]
+        except TypeError:
+            for j, c in enumerate(chunk):
+                if _b85dec[c] is None:
+                    raise ValueError('bad base85 character at position %d'
+                                    % (i + j)) from None
+            raise
+        try:
+            out.append(packI(acc))
+        except struct.error:
+            raise ValueError('base85 overflow in hunk starting at byte %d'
+                             % i) from None
+
+    result = b''.join(out)
+    if padding:
+        result = result[:-padding]
+    return result
+
+# Legacy interface.  This code could be cleaned up since I don't believe
+# binascii has any line length limitations.  It just doesn't seem worth it
+# though.  The files should be opened in binary mode.
+
+MAXLINESIZE = 76 # Excluding the CRLF
+MAXBINSIZE = (MAXLINESIZE//4)*3
+
+def encode(input, output):
+    """Encode a file; input and output are binary files."""
+    while True:
+        s = input.read(MAXBINSIZE)
+        if not s:
+            break
+        while len(s) < MAXBINSIZE:
+            ns = input.read(MAXBINSIZE-len(s))
+            if not ns:
+                break
+            s += ns
+        line = binascii.b2a_base64(s)
+        output.write(line)
+
+
+def decode(input, output):
+    """Decode a file; input and output are binary files."""
+    while True:
+        line = input.readline()
+        if not line:
+            break
+        s = binascii.a2b_base64(line)
+        output.write(s)
+
+def _input_type_check(s):
+    try:
+        m = memoryview(s)
+    except TypeError as err:
+        msg = "expected bytes-like object, not %s" % s.__class__.__name__
+        raise TypeError(msg) from err
+    if m.format not in ('c', 'b', 'B'):
+        msg = ("expected single byte elements, not %r from %s" %
+                                          (m.format, s.__class__.__name__))
+        raise TypeError(msg)
+    if m.ndim != 1:
+        msg = ("expected 1-D data, not %d-D data from %s" %
+                                          (m.ndim, s.__class__.__name__))
+        raise TypeError(msg)
+
+
+def encodebytes(s):
+    """Encode a bytestring into a bytes object containing multiple lines
+    of base-64 data."""
+    _input_type_check(s)
+    pieces = []
+    for i in range(0, len(s), MAXBINSIZE):
+        chunk = s[i : i + MAXBINSIZE]
+        pieces.append(binascii.b2a_base64(chunk))
+    return b"".join(pieces)
+
+def encodestring(s):
+    """Legacy alias of encodebytes()."""
+    import warnings
+    warnings.warn("encodestring() is a deprecated alias since 3.1, "
+                  "use encodebytes()",
+                  DeprecationWarning, 2)
+    return encodebytes(s)
+
+
+def decodebytes(s):
+    """Decode a bytestring of base-64 data into a bytes object."""
+    _input_type_check(s)
+    return binascii.a2b_base64(s)
+
+def decodestring(s):
+    """Legacy alias of decodebytes()."""
+    import warnings
+    warnings.warn("decodestring() is a deprecated alias since Python 3.1, "
+                  "use decodebytes()",
+                  DeprecationWarning, 2)
+    return decodebytes(s)
+
+
+# Usable as a script...
+def main():
+    """Small main program"""
+    import sys, getopt
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], 'deut')
+    except getopt.error as msg:
+        sys.stdout = sys.stderr
+        print(msg)
+        print("""usage: %s [-d|-e|-u|-t] [file|-]
+        -d, -u: decode
+        -e: encode (default)
+        -t: encode and decode string 'Aladdin:open sesame'"""%sys.argv[0])
+        sys.exit(2)
+    func = encode
+    for o, a in opts:
+        if o == '-e': func = encode
+        if o == '-d': func = decode
+        if o == '-u': func = decode
+        if o == '-t': test(); return
+    if args and args[0] != '-':
+        with open(args[0], 'rb') as f:
+            func(f, sys.stdout.buffer)
+    else:
+        func(sys.stdin.buffer, sys.stdout.buffer)
+
+
+def test():
+    s0 = b"Aladdin:open sesame"
+    print(repr(s0))
+    s1 = encodebytes(s0)
+    print(repr(s1))
+    s2 = decodebytes(s1)
+    print(repr(s2))
+    assert s0 == s2
+
+
+if __name__ == '__main__':
+    main()

my_container_sandbox/workspace/anaconda3/lib/python3.8/bdb.py

@@ -0,0 +1,880 @@
+"""Debugger basics"""
+
+import fnmatch
+import sys
+import os
+from inspect import CO_GENERATOR, CO_COROUTINE, CO_ASYNC_GENERATOR
+
+__all__ = ["BdbQuit", "Bdb", "Breakpoint"]
+
+GENERATOR_AND_COROUTINE_FLAGS = CO_GENERATOR | CO_COROUTINE | CO_ASYNC_GENERATOR
+
+
+class BdbQuit(Exception):
+    """Exception to give up completely."""
+
+
+class Bdb:
+    """Generic Python debugger base class.
+
+    This class takes care of details of the trace facility;
+    a derived class should implement user interaction.
+    The standard debugger class (pdb.Pdb) is an example.
+
+    The optional skip argument must be an iterable of glob-style
+    module name patterns.  The debugger will not step into frames
+    that originate in a module that matches one of these patterns.
+    Whether a frame is considered to originate in a certain module
+    is determined by the __name__ in the frame globals.
+    """
+
+    def __init__(self, skip=None):
+        self.skip = set(skip) if skip else None
+        self.breaks = {}
+        self.fncache = {}
+        self.frame_returning = None
+
+    def canonic(self, filename):
+        """Return canonical form of filename.
+
+        For real filenames, the canonical form is a case-normalized (on
+        case insensitive filesystems) absolute path.  'Filenames' with
+        angle brackets, such as "<stdin>", generated in interactive
+        mode, are returned unchanged.
+        """
+        if filename == "<" + filename[1:-1] + ">":
+            return filename
+        canonic = self.fncache.get(filename)
+        if not canonic:
+            canonic = os.path.abspath(filename)
+            canonic = os.path.normcase(canonic)
+            self.fncache[filename] = canonic
+        return canonic
+
+    def reset(self):
+        """Set values of attributes as ready to start debugging."""
+        import linecache
+        linecache.checkcache()
+        self.botframe = None
+        self._set_stopinfo(None, None)
+
+    def trace_dispatch(self, frame, event, arg):
+        """Dispatch a trace function for debugged frames based on the event.
+
+        This function is installed as the trace function for debugged
+        frames. Its return value is the new trace function, which is
+        usually itself. The default implementation decides how to
+        dispatch a frame, depending on the type of event (passed in as a
+        string) that is about to be executed.
+
+        The event can be one of the following:
+            line: A new line of code is going to be executed.
+            call: A function is about to be called or another code block
+                  is entered.
+            return: A function or other code block is about to return.
+            exception: An exception has occurred.
+            c_call: A C function is about to be called.
+            c_return: A C function has returned.
+            c_exception: A C function has raised an exception.
+
+        For the Python events, specialized functions (see the dispatch_*()
+        methods) are called.  For the C events, no action is taken.
+
+        The arg parameter depends on the previous event.
+        """
+        if self.quitting:
+            return # None
+        if event == 'line':
+            return self.dispatch_line(frame)
+        if event == 'call':
+            return self.dispatch_call(frame, arg)
+        if event == 'return':
+            return self.dispatch_return(frame, arg)
+        if event == 'exception':
+            return self.dispatch_exception(frame, arg)
+        if event == 'c_call':
+            return self.trace_dispatch
+        if event == 'c_exception':
+            return self.trace_dispatch
+        if event == 'c_return':
+            return self.trace_dispatch
+        print('bdb.Bdb.dispatch: unknown debugging event:', repr(event))
+        return self.trace_dispatch
+
+    def dispatch_line(self, frame):
+        """Invoke user function and return trace function for line event.
+
+        If the debugger stops on the current line, invoke
+        self.user_line(). Raise BdbQuit if self.quitting is set.
+        Return self.trace_dispatch to continue tracing in this scope.
+        """
+        if self.stop_here(frame) or self.break_here(frame):
+            self.user_line(frame)
+            if self.quitting: raise BdbQuit
+        return self.trace_dispatch
+
+    def dispatch_call(self, frame, arg):
+        """Invoke user function and return trace function for call event.
+
+        If the debugger stops on this function call, invoke
+        self.user_call(). Raise BbdQuit if self.quitting is set.
+        Return self.trace_dispatch to continue tracing in this scope.
+        """
+        # XXX 'arg' is no longer used
+        if self.botframe is None:
+            # First call of dispatch since reset()
+            self.botframe = frame.f_back # (CT) Note that this may also be None!
+            return self.trace_dispatch
+        if not (self.stop_here(frame) or self.break_anywhere(frame)):
+            # No need to trace this function
+            return # None
+        # Ignore call events in generator except when stepping.
+        if self.stopframe and frame.f_code.co_flags & GENERATOR_AND_COROUTINE_FLAGS:
+            return self.trace_dispatch
+        self.user_call(frame, arg)
+        if self.quitting: raise BdbQuit
+        return self.trace_dispatch
+
+    def dispatch_return(self, frame, arg):
+        """Invoke user function and return trace function for return event.
+
+        If the debugger stops on this function return, invoke
+        self.user_return(). Raise BdbQuit if self.quitting is set.
+        Return self.trace_dispatch to continue tracing in this scope.
+        """
+        if self.stop_here(frame) or frame == self.returnframe:
+            # Ignore return events in generator except when stepping.
+            if self.stopframe and frame.f_code.co_flags & GENERATOR_AND_COROUTINE_FLAGS:
+                return self.trace_dispatch
+            try:
+                self.frame_returning = frame
+                self.user_return(frame, arg)
+            finally:
+                self.frame_returning = None
+            if self.quitting: raise BdbQuit
+            # The user issued a 'next' or 'until' command.
+            if self.stopframe is frame and self.stoplineno != -1:
+                self._set_stopinfo(None, None)
+        return self.trace_dispatch
+
+    def dispatch_exception(self, frame, arg):
+        """Invoke user function and return trace function for exception event.
+
+        If the debugger stops on this exception, invoke
+        self.user_exception(). Raise BdbQuit if self.quitting is set.
+        Return self.trace_dispatch to continue tracing in this scope.
+        """
+        if self.stop_here(frame):
+            # When stepping with next/until/return in a generator frame, skip
+            # the internal StopIteration exception (with no traceback)
+            # triggered by a subiterator run with the 'yield from' statement.
+            if not (frame.f_code.co_flags & GENERATOR_AND_COROUTINE_FLAGS
+                    and arg[0] is StopIteration and arg[2] is None):
+                self.user_exception(frame, arg)
+                if self.quitting: raise BdbQuit
+        # Stop at the StopIteration or GeneratorExit exception when the user
+        # has set stopframe in a generator by issuing a return command, or a
+        # next/until command at the last statement in the generator before the
+        # exception.
+        elif (self.stopframe and frame is not self.stopframe
+                and self.stopframe.f_code.co_flags & GENERATOR_AND_COROUTINE_FLAGS
+                and arg[0] in (StopIteration, GeneratorExit)):
+            self.user_exception(frame, arg)
+            if self.quitting: raise BdbQuit
+
+        return self.trace_dispatch
+
+    # Normally derived classes don't override the following
+    # methods, but they may if they want to redefine the
+    # definition of stopping and breakpoints.
+
+    def is_skipped_module(self, module_name):
+        "Return True if module_name matches any skip pattern."
+        if module_name is None:  # some modules do not have names
+            return False
+        for pattern in self.skip:
+            if fnmatch.fnmatch(module_name, pattern):
+                return True
+        return False
+
+    def stop_here(self, frame):
+        "Return True if frame is below the starting frame in the stack."
+        # (CT) stopframe may now also be None, see dispatch_call.
+        # (CT) the former test for None is therefore removed from here.
+        if self.skip and \
+               self.is_skipped_module(frame.f_globals.get('__name__')):
+            return False
+        if frame is self.stopframe:
+            if self.stoplineno == -1:
+                return False
+            return frame.f_lineno >= self.stoplineno
+        if not self.stopframe:
+            return True
+        return False
+
+    def break_here(self, frame):
+        """Return True if there is an effective breakpoint for this line.
+
+        Check for line or function breakpoint and if in effect.
+        Delete temporary breakpoints if effective() says to.
+        """
+        filename = self.canonic(frame.f_code.co_filename)
+        if filename not in self.breaks:
+            return False
+        lineno = frame.f_lineno
+        if lineno not in self.breaks[filename]:
+            # The line itself has no breakpoint, but maybe the line is the
+            # first line of a function with breakpoint set by function name.
+            lineno = frame.f_code.co_firstlineno
+            if lineno not in self.breaks[filename]:
+                return False
+
+        # flag says ok to delete temp. bp
+        (bp, flag) = effective(filename, lineno, frame)
+        if bp:
+            self.currentbp = bp.number
+            if (flag and bp.temporary):
+                self.do_clear(str(bp.number))
+            return True
+        else:
+            return False
+
+    def do_clear(self, arg):
+        """Remove temporary breakpoint.
+
+        Must implement in derived classes or get NotImplementedError.
+        """
+        raise NotImplementedError("subclass of bdb must implement do_clear()")
+
+    def break_anywhere(self, frame):
+        """Return True if there is any breakpoint for frame's filename.
+        """
+        return self.canonic(frame.f_code.co_filename) in self.breaks
+
+    # Derived classes should override the user_* methods
+    # to gain control.
+
+    def user_call(self, frame, argument_list):
+        """Called if we might stop in a function."""
+        pass
+
+    def user_line(self, frame):
+        """Called when we stop or break at a line."""
+        pass
+
+    def user_return(self, frame, return_value):
+        """Called when a return trap is set here."""
+        pass
+
+    def user_exception(self, frame, exc_info):
+        """Called when we stop on an exception."""
+        pass
+
+    def _set_stopinfo(self, stopframe, returnframe, stoplineno=0):
+        """Set the attributes for stopping.
+
+        If stoplineno is greater than or equal to 0, then stop at line
+        greater than or equal to the stopline.  If stoplineno is -1, then
+        don't stop at all.
+        """
+        self.stopframe = stopframe
+        self.returnframe = returnframe
+        self.quitting = False
+        # stoplineno >= 0 means: stop at line >= the stoplineno
+        # stoplineno -1 means: don't stop at all
+        self.stoplineno = stoplineno
+
+    # Derived classes and clients can call the following methods
+    # to affect the stepping state.
+
+    def set_until(self, frame, lineno=None):
+        """Stop when the line with the lineno greater than the current one is
+        reached or when returning from current frame."""
+        # the name "until" is borrowed from gdb
+        if lineno is None:
+            lineno = frame.f_lineno + 1
+        self._set_stopinfo(frame, frame, lineno)
+
+    def set_step(self):
+        """Stop after one line of code."""
+        # Issue #13183: pdb skips frames after hitting a breakpoint and running
+        # step commands.
+        # Restore the trace function in the caller (that may not have been set
+        # for performance reasons) when returning from the current frame.
+        if self.frame_returning:
+            caller_frame = self.frame_returning.f_back
+            if caller_frame and not caller_frame.f_trace:
+                caller_frame.f_trace = self.trace_dispatch
+        self._set_stopinfo(None, None)
+
+    def set_next(self, frame):
+        """Stop on the next line in or below the given frame."""
+        self._set_stopinfo(frame, None)
+
+    def set_return(self, frame):
+        """Stop when returning from the given frame."""
+        if frame.f_code.co_flags & GENERATOR_AND_COROUTINE_FLAGS:
+            self._set_stopinfo(frame, None, -1)
+        else:
+            self._set_stopinfo(frame.f_back, frame)
+
+    def set_trace(self, frame=None):
+        """Start debugging from frame.
+
+        If frame is not specified, debugging starts from caller's frame.
+        """
+        if frame is None:
+            frame = sys._getframe().f_back
+        self.reset()
+        while frame:
+            frame.f_trace = self.trace_dispatch
+            self.botframe = frame
+            frame = frame.f_back
+        self.set_step()
+        sys.settrace(self.trace_dispatch)
+
+    def set_continue(self):
+        """Stop only at breakpoints or when finished.
+
+        If there are no breakpoints, set the system trace function to None.
+        """
+        # Don't stop except at breakpoints or when finished
+        self._set_stopinfo(self.botframe, None, -1)
+        if not self.breaks:
+            # no breakpoints; run without debugger overhead
+            sys.settrace(None)
+            frame = sys._getframe().f_back
+            while frame and frame is not self.botframe:
+                del frame.f_trace
+                frame = frame.f_back
+
+    def set_quit(self):
+        """Set quitting attribute to True.
+
+        Raises BdbQuit exception in the next call to a dispatch_*() method.
+        """
+        self.stopframe = self.botframe
+        self.returnframe = None
+        self.quitting = True
+        sys.settrace(None)
+
+    # Derived classes and clients can call the following methods
+    # to manipulate breakpoints.  These methods return an
+    # error message if something went wrong, None if all is well.
+    # Set_break prints out the breakpoint line and file:lineno.
+    # Call self.get_*break*() to see the breakpoints or better
+    # for bp in Breakpoint.bpbynumber: if bp: bp.bpprint().
+
+    def set_break(self, filename, lineno, temporary=False, cond=None,
+                  funcname=None):
+        """Set a new breakpoint for filename:lineno.
+
+        If lineno doesn't exist for the filename, return an error message.
+        The filename should be in canonical form.
+        """
+        filename = self.canonic(filename)
+        import linecache # Import as late as possible
+        line = linecache.getline(filename, lineno)
+        if not line:
+            return 'Line %s:%d does not exist' % (filename, lineno)
+        list = self.breaks.setdefault(filename, [])
+        if lineno not in list:
+            list.append(lineno)
+        bp = Breakpoint(filename, lineno, temporary, cond, funcname)
+        return None
+
+    def _prune_breaks(self, filename, lineno):
+        """Prune breakpoints for filename:lineno.
+
+        A list of breakpoints is maintained in the Bdb instance and in
+        the Breakpoint class.  If a breakpoint in the Bdb instance no
+        longer exists in the Breakpoint class, then it's removed from the
+        Bdb instance.
+        """
+        if (filename, lineno) not in Breakpoint.bplist:
+            self.breaks[filename].remove(lineno)
+        if not self.breaks[filename]:
+            del self.breaks[filename]
+
+    def clear_break(self, filename, lineno):
+        """Delete breakpoints for filename:lineno.
+
+        If no breakpoints were set, return an error message.
+        """
+        filename = self.canonic(filename)
+        if filename not in self.breaks:
+            return 'There are no breakpoints in %s' % filename
+        if lineno not in self.breaks[filename]:
+            return 'There is no breakpoint at %s:%d' % (filename, lineno)
+        # If there's only one bp in the list for that file,line
+        # pair, then remove the breaks entry
+        for bp in Breakpoint.bplist[filename, lineno][:]:
+            bp.deleteMe()
+        self._prune_breaks(filename, lineno)
+        return None
+
+    def clear_bpbynumber(self, arg):
+        """Delete a breakpoint by its index in Breakpoint.bpbynumber.
+
+        If arg is invalid, return an error message.
+        """
+        try:
+            bp = self.get_bpbynumber(arg)
+        except ValueError as err:
+            return str(err)
+        bp.deleteMe()
+        self._prune_breaks(bp.file, bp.line)
+        return None
+
+    def clear_all_file_breaks(self, filename):
+        """Delete all breakpoints in filename.
+
+        If none were set, return an error message.
+        """
+        filename = self.canonic(filename)
+        if filename not in self.breaks:
+            return 'There are no breakpoints in %s' % filename
+        for line in self.breaks[filename]:
+            blist = Breakpoint.bplist[filename, line]
+            for bp in blist:
+                bp.deleteMe()
+        del self.breaks[filename]
+        return None
+
+    def clear_all_breaks(self):
+        """Delete all existing breakpoints.
+
+        If none were set, return an error message.
+        """
+        if not self.breaks:
+            return 'There are no breakpoints'
+        for bp in Breakpoint.bpbynumber:
+            if bp:
+                bp.deleteMe()
+        self.breaks = {}
+        return None
+
+    def get_bpbynumber(self, arg):
+        """Return a breakpoint by its index in Breakpoint.bybpnumber.
+
+        For invalid arg values or if the breakpoint doesn't exist,
+        raise a ValueError.
+        """
+        if not arg:
+            raise ValueError('Breakpoint number expected')
+        try:
+            number = int(arg)
+        except ValueError:
+            raise ValueError('Non-numeric breakpoint number %s' % arg) from None
+        try:
+            bp = Breakpoint.bpbynumber[number]
+        except IndexError:
+            raise ValueError('Breakpoint number %d out of range' % number) from None
+        if bp is None:
+            raise ValueError('Breakpoint %d already deleted' % number)
+        return bp
+
+    def get_break(self, filename, lineno):
+        """Return True if there is a breakpoint for filename:lineno."""
+        filename = self.canonic(filename)
+        return filename in self.breaks and \
+            lineno in self.breaks[filename]
+
+    def get_breaks(self, filename, lineno):
+        """Return all breakpoints for filename:lineno.
+
+        If no breakpoints are set, return an empty list.
+        """
+        filename = self.canonic(filename)
+        return filename in self.breaks and \
+            lineno in self.breaks[filename] and \
+            Breakpoint.bplist[filename, lineno] or []
+
+    def get_file_breaks(self, filename):
+        """Return all lines with breakpoints for filename.
+
+        If no breakpoints are set, return an empty list.
+        """
+        filename = self.canonic(filename)
+        if filename in self.breaks:
+            return self.breaks[filename]
+        else:
+            return []
+
+    def get_all_breaks(self):
+        """Return all breakpoints that are set."""
+        return self.breaks
+
+    # Derived classes and clients can call the following method
+    # to get a data structure representing a stack trace.
+
+    def get_stack(self, f, t):
+        """Return a list of (frame, lineno) in a stack trace and a size.
+
+        List starts with original calling frame, if there is one.
+        Size may be number of frames above or below f.
+        """
+        stack = []
+        if t and t.tb_frame is f:
+            t = t.tb_next
+        while f is not None:
+            stack.append((f, f.f_lineno))
+            if f is self.botframe:
+                break
+            f = f.f_back
+        stack.reverse()
+        i = max(0, len(stack) - 1)
+        while t is not None:
+            stack.append((t.tb_frame, t.tb_lineno))
+            t = t.tb_next
+        if f is None:
+            i = max(0, len(stack) - 1)
+        return stack, i
+
+    def format_stack_entry(self, frame_lineno, lprefix=': '):
+        """Return a string with information about a stack entry.
+
+        The stack entry frame_lineno is a (frame, lineno) tuple.  The
+        return string contains the canonical filename, the function name
+        or '<lambda>', the input arguments, the return value, and the
+        line of code (if it exists).
+
+        """
+        import linecache, reprlib
+        frame, lineno = frame_lineno
+        filename = self.canonic(frame.f_code.co_filename)
+        s = '%s(%r)' % (filename, lineno)
+        if frame.f_code.co_name:
+            s += frame.f_code.co_name
+        else:
+            s += "<lambda>"
+        s += '()'
+        if '__return__' in frame.f_locals:
+            rv = frame.f_locals['__return__']
+            s += '->'
+            s += reprlib.repr(rv)
+        line = linecache.getline(filename, lineno, frame.f_globals)
+        if line:
+            s += lprefix + line.strip()
+        return s
+
+    # The following methods can be called by clients to use
+    # a debugger to debug a statement or an expression.
+    # Both can be given as a string, or a code object.
+
+    def run(self, cmd, globals=None, locals=None):
+        """Debug a statement executed via the exec() function.
+
+        globals defaults to __main__.dict; locals defaults to globals.
+        """
+        if globals is None:
+            import __main__
+            globals = __main__.__dict__
+        if locals is None:
+            locals = globals
+        self.reset()
+        if isinstance(cmd, str):
+            cmd = compile(cmd, "<string>", "exec")
+        sys.settrace(self.trace_dispatch)
+        try:
+            exec(cmd, globals, locals)
+        except BdbQuit:
+            pass
+        finally:
+            self.quitting = True
+            sys.settrace(None)
+
+    def runeval(self, expr, globals=None, locals=None):
+        """Debug an expression executed via the eval() function.
+
+        globals defaults to __main__.dict; locals defaults to globals.
+        """
+        if globals is None:
+            import __main__
+            globals = __main__.__dict__
+        if locals is None:
+            locals = globals
+        self.reset()
+        sys.settrace(self.trace_dispatch)
+        try:
+            return eval(expr, globals, locals)
+        except BdbQuit:
+            pass
+        finally:
+            self.quitting = True
+            sys.settrace(None)
+
+    def runctx(self, cmd, globals, locals):
+        """For backwards-compatibility.  Defers to run()."""
+        # B/W compatibility
+        self.run(cmd, globals, locals)
+
+    # This method is more useful to debug a single function call.
+
+    def runcall(*args, **kwds):
+        """Debug a single function call.
+
+        Return the result of the function call.
+        """
+        if len(args) >= 2:
+            self, func, *args = args
+        elif not args:
+            raise TypeError("descriptor 'runcall' of 'Bdb' object "
+                            "needs an argument")
+        elif 'func' in kwds:
+            func = kwds.pop('func')
+            self, *args = args
+            import warnings
+            warnings.warn("Passing 'func' as keyword argument is deprecated",
+                          DeprecationWarning, stacklevel=2)
+        else:
+            raise TypeError('runcall expected at least 1 positional argument, '
+                            'got %d' % (len(args)-1))
+
+        self.reset()
+        sys.settrace(self.trace_dispatch)
+        res = None
+        try:
+            res = func(*args, **kwds)
+        except BdbQuit:
+            pass
+        finally:
+            self.quitting = True
+            sys.settrace(None)
+        return res
+    runcall.__text_signature__ = '($self, func, /, *args, **kwds)'
+
+
+def set_trace():
+    """Start debugging with a Bdb instance from the caller's frame."""
+    Bdb().set_trace()
+
+
+class Breakpoint:
+    """Breakpoint class.
+
+    Implements temporary breakpoints, ignore counts, disabling and
+    (re)-enabling, and conditionals.
+
+    Breakpoints are indexed by number through bpbynumber and by
+    the (file, line) tuple using bplist.  The former points to a
+    single instance of class Breakpoint.  The latter points to a
+    list of such instances since there may be more than one
+    breakpoint per line.
+
+    When creating a breakpoint, its associated filename should be
+    in canonical form.  If funcname is defined, a breakpoint hit will be
+    counted when the first line of that function is executed.  A
+    conditional breakpoint always counts a hit.
+    """
+
+    # XXX Keeping state in the class is a mistake -- this means
+    # you cannot have more than one active Bdb instance.
+
+    next = 1        # Next bp to be assigned
+    bplist = {}     # indexed by (file, lineno) tuple
+    bpbynumber = [None] # Each entry is None or an instance of Bpt
+                # index 0 is unused, except for marking an
+                # effective break .... see effective()
+
+    def __init__(self, file, line, temporary=False, cond=None, funcname=None):
+        self.funcname = funcname
+        # Needed if funcname is not None.
+        self.func_first_executable_line = None
+        self.file = file    # This better be in canonical form!
+        self.line = line
+        self.temporary = temporary
+        self.cond = cond
+        self.enabled = True
+        self.ignore = 0
+        self.hits = 0
+        self.number = Breakpoint.next
+        Breakpoint.next += 1
+        # Build the two lists
+        self.bpbynumber.append(self)
+        if (file, line) in self.bplist:
+            self.bplist[file, line].append(self)
+        else:
+            self.bplist[file, line] = [self]
+
+    def deleteMe(self):
+        """Delete the breakpoint from the list associated to a file:line.
+
+        If it is the last breakpoint in that position, it also deletes
+        the entry for the file:line.
+        """
+
+        index = (self.file, self.line)
+        self.bpbynumber[self.number] = None   # No longer in list
+        self.bplist[index].remove(self)
+        if not self.bplist[index]:
+            # No more bp for this f:l combo
+            del self.bplist[index]
+
+    def enable(self):
+        """Mark the breakpoint as enabled."""
+        self.enabled = True
+
+    def disable(self):
+        """Mark the breakpoint as disabled."""
+        self.enabled = False
+
+    def bpprint(self, out=None):
+        """Print the output of bpformat().
+
+        The optional out argument directs where the output is sent
+        and defaults to standard output.
+        """
+        if out is None:
+            out = sys.stdout
+        print(self.bpformat(), file=out)
+
+    def bpformat(self):
+        """Return a string with information about the breakpoint.
+
+        The information includes the breakpoint number, temporary
+        status, file:line position, break condition, number of times to
+        ignore, and number of times hit.
+
+        """
+        if self.temporary:
+            disp = 'del  '
+        else:
+            disp = 'keep '
+        if self.enabled:
+            disp = disp + 'yes  '
+        else:
+            disp = disp + 'no   '
+        ret = '%-4dbreakpoint   %s at %s:%d' % (self.number, disp,
+                                                self.file, self.line)
+        if self.cond:
+            ret += '\n\tstop only if %s' % (self.cond,)
+        if self.ignore:
+            ret += '\n\tignore next %d hits' % (self.ignore,)
+        if self.hits:
+            if self.hits > 1:
+                ss = 's'
+            else:
+                ss = ''
+            ret += '\n\tbreakpoint already hit %d time%s' % (self.hits, ss)
+        return ret
+
+    def __str__(self):
+        "Return a condensed description of the breakpoint."
+        return 'breakpoint %s at %s:%s' % (self.number, self.file, self.line)
+
+# -----------end of Breakpoint class----------
+
+
+def checkfuncname(b, frame):
+    """Return True if break should happen here.
+
+    Whether a break should happen depends on the way that b (the breakpoint)
+    was set.  If it was set via line number, check if b.line is the same as
+    the one in the frame.  If it was set via function name, check if this is
+    the right function and if it is on the first executable line.
+    """
+    if not b.funcname:
+        # Breakpoint was set via line number.
+        if b.line != frame.f_lineno:
+            # Breakpoint was set at a line with a def statement and the function
+            # defined is called: don't break.
+            return False
+        return True
+
+    # Breakpoint set via function name.
+    if frame.f_code.co_name != b.funcname:
+        # It's not a function call, but rather execution of def statement.
+        return False
+
+    # We are in the right frame.
+    if not b.func_first_executable_line:
+        # The function is entered for the 1st time.
+        b.func_first_executable_line = frame.f_lineno
+
+    if b.func_first_executable_line != frame.f_lineno:
+        # But we are not at the first line number: don't break.
+        return False
+    return True
+
+
+# Determines if there is an effective (active) breakpoint at this
+# line of code.  Returns breakpoint number or 0 if none
+def effective(file, line, frame):
+    """Determine which breakpoint for this file:line is to be acted upon.
+
+    Called only if we know there is a breakpoint at this location.  Return
+    the breakpoint that was triggered and a boolean that indicates if it is
+    ok to delete a temporary breakpoint.  Return (None, None) if there is no
+    matching breakpoint.
+    """
+    possibles = Breakpoint.bplist[file, line]
+    for b in possibles:
+        if not b.enabled:
+            continue
+        if not checkfuncname(b, frame):
+            continue
+        # Count every hit when bp is enabled
+        b.hits += 1
+        if not b.cond:
+            # If unconditional, and ignoring go on to next, else break
+            if b.ignore > 0:
+                b.ignore -= 1
+                continue
+            else:
+                # breakpoint and marker that it's ok to delete if temporary
+                return (b, True)
+        else:
+            # Conditional bp.
+            # Ignore count applies only to those bpt hits where the
+            # condition evaluates to true.
+            try:
+                val = eval(b.cond, frame.f_globals, frame.f_locals)
+                if val:
+                    if b.ignore > 0:
+                        b.ignore -= 1
+                        # continue
+                    else:
+                        return (b, True)
+                # else:
+                #   continue
+            except:
+                # if eval fails, most conservative thing is to stop on
+                # breakpoint regardless of ignore count.  Don't delete
+                # temporary, as another hint to user.
+                return (b, False)
+    return (None, None)
+
+
+# -------------------- testing --------------------
+
+class Tdb(Bdb):
+    def user_call(self, frame, args):
+        name = frame.f_code.co_name
+        if not name: name = '???'
+        print('+++ call', name, args)
+    def user_line(self, frame):
+        import linecache
+        name = frame.f_code.co_name
+        if not name: name = '???'
+        fn = self.canonic(frame.f_code.co_filename)
+        line = linecache.getline(fn, frame.f_lineno, frame.f_globals)
+        print('+++', fn, frame.f_lineno, name, ':', line.strip())
+    def user_return(self, frame, retval):
+        print('+++ return', retval)
+    def user_exception(self, frame, exc_stuff):
+        print('+++ exception', exc_stuff)
+        self.set_continue()
+
+def foo(n):
+    print('foo(', n, ')')
+    x = bar(n*10)
+    print('bar returned', x)
+
+def bar(a):
+    print('bar(', a, ')')
+    return a/2
+
+def test():
+    t = Tdb()
+    t.run('import bdb; bdb.foo(10)')

my_container_sandbox/workspace/anaconda3/lib/python3.8/binhex.py

@@ -0,0 +1,479 @@
+"""Macintosh binhex compression/decompression.
+
+easy interface:
+binhex(inputfilename, outputfilename)
+hexbin(inputfilename, outputfilename)
+"""
+
+#
+# Jack Jansen, CWI, August 1995.
+#
+# The module is supposed to be as compatible as possible. Especially the
+# easy interface should work "as expected" on any platform.
+# XXXX Note: currently, textfiles appear in mac-form on all platforms.
+# We seem to lack a simple character-translate in python.
+# (we should probably use ISO-Latin-1 on all but the mac platform).
+# XXXX The simple routines are too simple: they expect to hold the complete
+# files in-core. Should be fixed.
+# XXXX It would be nice to handle AppleDouble format on unix
+# (for servers serving macs).
+# XXXX I don't understand what happens when you get 0x90 times the same byte on
+# input. The resulting code (xx 90 90) would appear to be interpreted as an
+# escaped *value* of 0x90. All coders I've seen appear to ignore this nicety...
+#
+import io
+import os
+import struct
+import binascii
+
+__all__ = ["binhex","hexbin","Error"]
+
+class Error(Exception):
+    pass
+
+# States (what have we written)
+_DID_HEADER = 0
+_DID_DATA = 1
+
+# Various constants
+REASONABLY_LARGE = 32768  # Minimal amount we pass the rle-coder
+LINELEN = 64
+RUNCHAR = b"\x90"
+
+#
+# This code is no longer byte-order dependent
+
+
+class FInfo:
+    def __init__(self):
+        self.Type = '????'
+        self.Creator = '????'
+        self.Flags = 0
+
+def getfileinfo(name):
+    finfo = FInfo()
+    with io.open(name, 'rb') as fp:
+        # Quick check for textfile
+        data = fp.read(512)
+        if 0 not in data:
+            finfo.Type = 'TEXT'
+        fp.seek(0, 2)
+        dsize = fp.tell()
+    dir, file = os.path.split(name)
+    file = file.replace(':', '-', 1)
+    return file, finfo, dsize, 0
+
+class openrsrc:
+    def __init__(self, *args):
+        pass
+
+    def read(self, *args):
+        return b''
+
+    def write(self, *args):
+        pass
+
+    def close(self):
+        pass
+
+class _Hqxcoderengine:
+    """Write data to the coder in 3-byte chunks"""
+
+    def __init__(self, ofp):
+        self.ofp = ofp
+        self.data = b''
+        self.hqxdata = b''
+        self.linelen = LINELEN - 1
+
+    def write(self, data):
+        self.data = self.data + data
+        datalen = len(self.data)
+        todo = (datalen // 3) * 3
+        data = self.data[:todo]
+        self.data = self.data[todo:]
+        if not data:
+            return
+        self.hqxdata = self.hqxdata + binascii.b2a_hqx(data)
+        self._flush(0)
+
+    def _flush(self, force):
+        first = 0
+        while first <= len(self.hqxdata) - self.linelen:
+            last = first + self.linelen
+            self.ofp.write(self.hqxdata[first:last] + b'\r')
+            self.linelen = LINELEN
+            first = last
+        self.hqxdata = self.hqxdata[first:]
+        if force:
+            self.ofp.write(self.hqxdata + b':\r')
+
+    def close(self):
+        if self.data:
+            self.hqxdata = self.hqxdata + binascii.b2a_hqx(self.data)
+        self._flush(1)
+        self.ofp.close()
+        del self.ofp
+
+class _Rlecoderengine:
+    """Write data to the RLE-coder in suitably large chunks"""
+
+    def __init__(self, ofp):
+        self.ofp = ofp
+        self.data = b''
+
+    def write(self, data):
+        self.data = self.data + data
+        if len(self.data) < REASONABLY_LARGE:
+            return
+        rledata = binascii.rlecode_hqx(self.data)
+        self.ofp.write(rledata)
+        self.data = b''
+
+    def close(self):
+        if self.data:
+            rledata = binascii.rlecode_hqx(self.data)
+            self.ofp.write(rledata)
+        self.ofp.close()
+        del self.ofp
+
+class BinHex:
+    def __init__(self, name_finfo_dlen_rlen, ofp):
+        name, finfo, dlen, rlen = name_finfo_dlen_rlen
+        close_on_error = False
+        if isinstance(ofp, str):
+            ofname = ofp
+            ofp = io.open(ofname, 'wb')
+            close_on_error = True
+        try:
+            ofp.write(b'(This file must be converted with BinHex 4.0)\r\r:')
+            hqxer = _Hqxcoderengine(ofp)
+            self.ofp = _Rlecoderengine(hqxer)
+            self.crc = 0
+            if finfo is None:
+                finfo = FInfo()
+            self.dlen = dlen
+            self.rlen = rlen
+            self._writeinfo(name, finfo)
+            self.state = _DID_HEADER
+        except:
+            if close_on_error:
+                ofp.close()
+            raise
+
+    def _writeinfo(self, name, finfo):
+        nl = len(name)
+        if nl > 63:
+            raise Error('Filename too long')
+        d = bytes([nl]) + name.encode("latin-1") + b'\0'
+        tp, cr = finfo.Type, finfo.Creator
+        if isinstance(tp, str):
+            tp = tp.encode("latin-1")
+        if isinstance(cr, str):
+            cr = cr.encode("latin-1")
+        d2 = tp + cr
+
+        # Force all structs to be packed with big-endian
+        d3 = struct.pack('>h', finfo.Flags)
+        d4 = struct.pack('>ii', self.dlen, self.rlen)
+        info = d + d2 + d3 + d4
+        self._write(info)
+        self._writecrc()
+
+    def _write(self, data):
+        self.crc = binascii.crc_hqx(data, self.crc)
+        self.ofp.write(data)
+
+    def _writecrc(self):
+        # XXXX Should this be here??
+        # self.crc = binascii.crc_hqx('\0\0', self.crc)
+        if self.crc < 0:
+            fmt = '>h'
+        else:
+            fmt = '>H'
+        self.ofp.write(struct.pack(fmt, self.crc))
+        self.crc = 0
+
+    def write(self, data):
+        if self.state != _DID_HEADER:
+            raise Error('Writing data at the wrong time')
+        self.dlen = self.dlen - len(data)
+        self._write(data)
+
+    def close_data(self):
+        if self.dlen != 0:
+            raise Error('Incorrect data size, diff=%r' % (self.rlen,))
+        self._writecrc()
+        self.state = _DID_DATA
+
+    def write_rsrc(self, data):
+        if self.state < _DID_DATA:
+            self.close_data()
+        if self.state != _DID_DATA:
+            raise Error('Writing resource data at the wrong time')
+        self.rlen = self.rlen - len(data)
+        self._write(data)
+
+    def close(self):
+        if self.state is None:
+            return
+        try:
+            if self.state < _DID_DATA:
+                self.close_data()
+            if self.state != _DID_DATA:
+                raise Error('Close at the wrong time')
+            if self.rlen != 0:
+                raise Error("Incorrect resource-datasize, diff=%r" % (self.rlen,))
+            self._writecrc()
+        finally:
+            self.state = None
+            ofp = self.ofp
+            del self.ofp
+            ofp.close()
+
+def binhex(inp, out):
+    """binhex(infilename, outfilename): create binhex-encoded copy of a file"""
+    finfo = getfileinfo(inp)
+    ofp = BinHex(finfo, out)
+
+    with io.open(inp, 'rb') as ifp:
+        # XXXX Do textfile translation on non-mac systems
+        while True:
+            d = ifp.read(128000)
+            if not d: break
+            ofp.write(d)
+        ofp.close_data()
+
+    ifp = openrsrc(inp, 'rb')
+    while True:
+        d = ifp.read(128000)
+        if not d: break
+        ofp.write_rsrc(d)
+    ofp.close()
+    ifp.close()
+
+class _Hqxdecoderengine:
+    """Read data via the decoder in 4-byte chunks"""
+
+    def __init__(self, ifp):
+        self.ifp = ifp
+        self.eof = 0
+
+    def read(self, totalwtd):
+        """Read at least wtd bytes (or until EOF)"""
+        decdata = b''
+        wtd = totalwtd
+        #
+        # The loop here is convoluted, since we don't really now how
+        # much to decode: there may be newlines in the incoming data.
+        while wtd > 0:
+            if self.eof: return decdata
+            wtd = ((wtd + 2) // 3) * 4
+            data = self.ifp.read(wtd)
+            #
+            # Next problem: there may not be a complete number of
+            # bytes in what we pass to a2b. Solve by yet another
+            # loop.
+            #
+            while True:
+                try:
+                    decdatacur, self.eof = binascii.a2b_hqx(data)
+                    break
+                except binascii.Incomplete:
+                    pass
+                newdata = self.ifp.read(1)
+                if not newdata:
+                    raise Error('Premature EOF on binhex file')
+                data = data + newdata
+            decdata = decdata + decdatacur
+            wtd = totalwtd - len(decdata)
+            if not decdata and not self.eof:
+                raise Error('Premature EOF on binhex file')
+        return decdata
+
+    def close(self):
+        self.ifp.close()
+
+class _Rledecoderengine:
+    """Read data via the RLE-coder"""
+
+    def __init__(self, ifp):
+        self.ifp = ifp
+        self.pre_buffer = b''
+        self.post_buffer = b''
+        self.eof = 0
+
+    def read(self, wtd):
+        if wtd > len(self.post_buffer):
+            self._fill(wtd - len(self.post_buffer))
+        rv = self.post_buffer[:wtd]
+        self.post_buffer = self.post_buffer[wtd:]
+        return rv
+
+    def _fill(self, wtd):
+        self.pre_buffer = self.pre_buffer + self.ifp.read(wtd + 4)
+        if self.ifp.eof:
+            self.post_buffer = self.post_buffer + \
+                binascii.rledecode_hqx(self.pre_buffer)
+            self.pre_buffer = b''
+            return
+
+        #
+        # Obfuscated code ahead. We have to take care that we don't
+        # end up with an orphaned RUNCHAR later on. So, we keep a couple
+        # of bytes in the buffer, depending on what the end of
+        # the buffer looks like:
+        # '\220\0\220' - Keep 3 bytes: repeated \220 (escaped as \220\0)
+        # '?\220' - Keep 2 bytes: repeated something-else
+        # '\220\0' - Escaped \220: Keep 2 bytes.
+        # '?\220?' - Complete repeat sequence: decode all
+        # otherwise: keep 1 byte.
+        #
+        mark = len(self.pre_buffer)
+        if self.pre_buffer[-3:] == RUNCHAR + b'\0' + RUNCHAR:
+            mark = mark - 3
+        elif self.pre_buffer[-1:] == RUNCHAR:
+            mark = mark - 2
+        elif self.pre_buffer[-2:] == RUNCHAR + b'\0':
+            mark = mark - 2
+        elif self.pre_buffer[-2:-1] == RUNCHAR:
+            pass # Decode all
+        else:
+            mark = mark - 1
+
+        self.post_buffer = self.post_buffer + \
+            binascii.rledecode_hqx(self.pre_buffer[:mark])
+        self.pre_buffer = self.pre_buffer[mark:]
+
+    def close(self):
+        self.ifp.close()
+
+class HexBin:
+    def __init__(self, ifp):
+        if isinstance(ifp, str):
+            ifp = io.open(ifp, 'rb')
+        #
+        # Find initial colon.
+        #
+        while True:
+            ch = ifp.read(1)
+            if not ch:
+                raise Error("No binhex data found")
+            # Cater for \r\n terminated lines (which show up as \n\r, hence
+            # all lines start with \r)
+            if ch == b'\r':
+                continue
+            if ch == b':':
+                break
+
+        hqxifp = _Hqxdecoderengine(ifp)
+        self.ifp = _Rledecoderengine(hqxifp)
+        self.crc = 0
+        self._readheader()
+
+    def _read(self, len):
+        data = self.ifp.read(len)
+        self.crc = binascii.crc_hqx(data, self.crc)
+        return data
+
+    def _checkcrc(self):
+        filecrc = struct.unpack('>h', self.ifp.read(2))[0] & 0xffff
+        #self.crc = binascii.crc_hqx('\0\0', self.crc)
+        # XXXX Is this needed??
+        self.crc = self.crc & 0xffff
+        if filecrc != self.crc:
+            raise Error('CRC error, computed %x, read %x'
+                        % (self.crc, filecrc))
+        self.crc = 0
+
+    def _readheader(self):
+        len = self._read(1)
+        fname = self._read(ord(len))
+        rest = self._read(1 + 4 + 4 + 2 + 4 + 4)
+        self._checkcrc()
+
+        type = rest[1:5]
+        creator = rest[5:9]
+        flags = struct.unpack('>h', rest[9:11])[0]
+        self.dlen = struct.unpack('>l', rest[11:15])[0]
+        self.rlen = struct.unpack('>l', rest[15:19])[0]
+
+        self.FName = fname
+        self.FInfo = FInfo()
+        self.FInfo.Creator = creator
+        self.FInfo.Type = type
+        self.FInfo.Flags = flags
+
+        self.state = _DID_HEADER
+
+    def read(self, *n):
+        if self.state != _DID_HEADER:
+            raise Error('Read data at wrong time')
+        if n:
+            n = n[0]
+            n = min(n, self.dlen)
+        else:
+            n = self.dlen
+        rv = b''
+        while len(rv) < n:
+            rv = rv + self._read(n-len(rv))
+        self.dlen = self.dlen - n
+        return rv
+
+    def close_data(self):
+        if self.state != _DID_HEADER:
+            raise Error('close_data at wrong time')
+        if self.dlen:
+            dummy = self._read(self.dlen)
+        self._checkcrc()
+        self.state = _DID_DATA
+
+    def read_rsrc(self, *n):
+        if self.state == _DID_HEADER:
+            self.close_data()
+        if self.state != _DID_DATA:
+            raise Error('Read resource data at wrong time')
+        if n:
+            n = n[0]
+            n = min(n, self.rlen)
+        else:
+            n = self.rlen
+        self.rlen = self.rlen - n
+        return self._read(n)
+
+    def close(self):
+        if self.state is None:
+            return
+        try:
+            if self.rlen:
+                dummy = self.read_rsrc(self.rlen)
+            self._checkcrc()
+        finally:
+            self.state = None
+            self.ifp.close()
+
+def hexbin(inp, out):
+    """hexbin(infilename, outfilename) - Decode binhexed file"""
+    ifp = HexBin(inp)
+    finfo = ifp.FInfo
+    if not out:
+        out = ifp.FName
+
+    with io.open(out, 'wb') as ofp:
+        # XXXX Do translation on non-mac systems
+        while True:
+            d = ifp.read(128000)
+            if not d: break
+            ofp.write(d)
+    ifp.close_data()
+
+    d = ifp.read_rsrc(128000)
+    if d:
+        ofp = openrsrc(out, 'wb')
+        ofp.write(d)
+        while True:
+            d = ifp.read_rsrc(128000)
+            if not d: break
+            ofp.write(d)
+        ofp.close()
+
+    ifp.close()

my_container_sandbox/workspace/anaconda3/lib/python3.8/cProfile.py

@@ -0,0 +1,207 @@
+#! /usr/bin/env python3
+
+"""Python interface for the 'lsprof' profiler.
+   Compatible with the 'profile' module.
+"""
+
+__all__ = ["run", "runctx", "Profile"]
+
+import _lsprof
+import io
+import profile as _pyprofile
+
+# ____________________________________________________________
+# Simple interface
+
+def run(statement, filename=None, sort=-1):
+    return _pyprofile._Utils(Profile).run(statement, filename, sort)
+
+def runctx(statement, globals, locals, filename=None, sort=-1):
+    return _pyprofile._Utils(Profile).runctx(statement, globals, locals,
+                                             filename, sort)
+
+run.__doc__ = _pyprofile.run.__doc__
+runctx.__doc__ = _pyprofile.runctx.__doc__
+
+# ____________________________________________________________
+
+class Profile(_lsprof.Profiler):
+    """Profile(timer=None, timeunit=None, subcalls=True, builtins=True)
+
+    Builds a profiler object using the specified timer function.
+    The default timer is a fast built-in one based on real time.
+    For custom timer functions returning integers, timeunit can
+    be a float specifying a scale (i.e. how long each integer unit
+    is, in seconds).
+    """
+
+    # Most of the functionality is in the base class.
+    # This subclass only adds convenient and backward-compatible methods.
+
+    def print_stats(self, sort=-1):
+        import pstats
+        pstats.Stats(self).strip_dirs().sort_stats(sort).print_stats()
+
+    def dump_stats(self, file):
+        import marshal
+        with open(file, 'wb') as f:
+            self.create_stats()
+            marshal.dump(self.stats, f)
+
+    def create_stats(self):
+        self.disable()
+        self.snapshot_stats()
+
+    def snapshot_stats(self):
+        entries = self.getstats()
+        self.stats = {}
+        callersdicts = {}
+        # call information
+        for entry in entries:
+            func = label(entry.code)
+            nc = entry.callcount         # ncalls column of pstats (before '/')
+            cc = nc - entry.reccallcount # ncalls column of pstats (after '/')
+            tt = entry.inlinetime        # tottime column of pstats
+            ct = entry.totaltime         # cumtime column of pstats
+            callers = {}
+            callersdicts[id(entry.code)] = callers
+            self.stats[func] = cc, nc, tt, ct, callers
+        # subcall information
+        for entry in entries:
+            if entry.calls:
+                func = label(entry.code)
+                for subentry in entry.calls:
+                    try:
+                        callers = callersdicts[id(subentry.code)]
+                    except KeyError:
+                        continue
+                    nc = subentry.callcount
+                    cc = nc - subentry.reccallcount
+                    tt = subentry.inlinetime
+                    ct = subentry.totaltime
+                    if func in callers:
+                        prev = callers[func]
+                        nc += prev[0]
+                        cc += prev[1]
+                        tt += prev[2]
+                        ct += prev[3]
+                    callers[func] = nc, cc, tt, ct
+
+    # The following two methods can be called by clients to use
+    # a profiler to profile a statement, given as a string.
+
+    def run(self, cmd):
+        import __main__
+        dict = __main__.__dict__
+        return self.runctx(cmd, dict, dict)
+
+    def runctx(self, cmd, globals, locals):
+        self.enable()
+        try:
+            exec(cmd, globals, locals)
+        finally:
+            self.disable()
+        return self
+
+    # This method is more useful to profile a single function call.
+    def runcall(*args, **kw):
+        if len(args) >= 2:
+            self, func, *args = args
+        elif not args:
+            raise TypeError("descriptor 'runcall' of 'Profile' object "
+                            "needs an argument")
+        elif 'func' in kw:
+            func = kw.pop('func')
+            self, *args = args
+            import warnings
+            warnings.warn("Passing 'func' as keyword argument is deprecated",
+                          DeprecationWarning, stacklevel=2)
+        else:
+            raise TypeError('runcall expected at least 1 positional argument, '
+                            'got %d' % (len(args)-1))
+
+        self.enable()
+        try:
+            return func(*args, **kw)
+        finally:
+            self.disable()
+    runcall.__text_signature__ = '($self, func, /, *args, **kw)'
+
+    def __enter__(self):
+        self.enable()
+        return self
+
+    def __exit__(self, *exc_info):
+        self.disable()
+
+# ____________________________________________________________
+
+def label(code):
+    if isinstance(code, str):
+        return ('~', 0, code)    # built-in functions ('~' sorts at the end)
+    else:
+        return (code.co_filename, code.co_firstlineno, code.co_name)
+
+# ____________________________________________________________
+
+def main():
+    import os
+    import sys
+    import runpy
+    import pstats
+    from optparse import OptionParser
+    usage = "cProfile.py [-o output_file_path] [-s sort] [-m module | scriptfile] [arg] ..."
+    parser = OptionParser(usage=usage)
+    parser.allow_interspersed_args = False
+    parser.add_option('-o', '--outfile', dest="outfile",
+        help="Save stats to <outfile>", default=None)
+    parser.add_option('-s', '--sort', dest="sort",
+        help="Sort order when printing to stdout, based on pstats.Stats class",
+        default=-1,
+        choices=sorted(pstats.Stats.sort_arg_dict_default))
+    parser.add_option('-m', dest="module", action="store_true",
+        help="Profile a library module", default=False)
+
+    if not sys.argv[1:]:
+        parser.print_usage()
+        sys.exit(2)
+
+    (options, args) = parser.parse_args()
+    sys.argv[:] = args
+
+    # The script that we're profiling may chdir, so capture the absolute path
+    # to the output file at startup.
+    if options.outfile is not None:
+        options.outfile = os.path.abspath(options.outfile)
+
+    if len(args) > 0:
+        if options.module:
+            code = "run_module(modname, run_name='__main__')"
+            globs = {
+                'run_module': runpy.run_module,
+                'modname': args[0]
+            }
+        else:
+            progname = args[0]
+            sys.path.insert(0, os.path.dirname(progname))
+            with io.open_code(progname) as fp:
+                code = compile(fp.read(), progname, 'exec')
+            globs = {
+                '__file__': progname,
+                '__name__': '__main__',
+                '__package__': None,
+                '__cached__': None,
+            }
+        try:
+            runctx(code, globs, None, options.outfile, options.sort)
+        except BrokenPipeError as exc:
+            # Prevent "Exception ignored" during interpreter shutdown.
+            sys.stdout = None
+            sys.exit(exc.errno)
+    else:
+        parser.print_usage()
+    return parser
+
+# When invoked as main program, invoke the profiler on a script
+if __name__ == '__main__':
+    main()

my_container_sandbox/workspace/anaconda3/lib/python3.8/calendar.py

@@ -0,0 +1,770 @@
+"""Calendar printing functions
+
+Note when comparing these calendars to the ones printed by cal(1): By
+default, these calendars have Monday as the first day of the week, and
+Sunday as the last (the European convention). Use setfirstweekday() to
+set the first day of the week (0=Monday, 6=Sunday)."""
+
+import sys
+import datetime
+import locale as _locale
+from itertools import repeat
+
+__all__ = ["IllegalMonthError", "IllegalWeekdayError", "setfirstweekday",
+           "firstweekday", "isleap", "leapdays", "weekday", "monthrange",
+           "monthcalendar", "prmonth", "month", "prcal", "calendar",
+           "timegm", "month_name", "month_abbr", "day_name", "day_abbr",
+           "Calendar", "TextCalendar", "HTMLCalendar", "LocaleTextCalendar",
+           "LocaleHTMLCalendar", "weekheader"]
+
+# Exception raised for bad input (with string parameter for details)
+error = ValueError
+
+# Exceptions raised for bad input
+class IllegalMonthError(ValueError):
+    def __init__(self, month):
+        self.month = month
+    def __str__(self):
+        return "bad month number %r; must be 1-12" % self.month
+
+
+class IllegalWeekdayError(ValueError):
+    def __init__(self, weekday):
+        self.weekday = weekday
+    def __str__(self):
+        return "bad weekday number %r; must be 0 (Monday) to 6 (Sunday)" % self.weekday
+
+
+# Constants for months referenced later
+January = 1
+February = 2
+
+# Number of days per month (except for February in leap years)
+mdays = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+# This module used to have hard-coded lists of day and month names, as
+# English strings.  The classes following emulate a read-only version of
+# that, but supply localized names.  Note that the values are computed
+# fresh on each call, in case the user changes locale between calls.
+
+class _localized_month:
+
+    _months = [datetime.date(2001, i+1, 1).strftime for i in range(12)]
+    _months.insert(0, lambda x: "")
+
+    def __init__(self, format):
+        self.format = format
+
+    def __getitem__(self, i):
+        funcs = self._months[i]
+        if isinstance(i, slice):
+            return [f(self.format) for f in funcs]
+        else:
+            return funcs(self.format)
+
+    def __len__(self):
+        return 13
+
+
+class _localized_day:
+
+    # January 1, 2001, was a Monday.
+    _days = [datetime.date(2001, 1, i+1).strftime for i in range(7)]
+
+    def __init__(self, format):
+        self.format = format
+
+    def __getitem__(self, i):
+        funcs = self._days[i]
+        if isinstance(i, slice):
+            return [f(self.format) for f in funcs]
+        else:
+            return funcs(self.format)
+
+    def __len__(self):
+        return 7
+
+
+# Full and abbreviated names of weekdays
+day_name = _localized_day('%A')
+day_abbr = _localized_day('%a')
+
+# Full and abbreviated names of months (1-based arrays!!!)
+month_name = _localized_month('%B')
+month_abbr = _localized_month('%b')
+
+# Constants for weekdays
+(MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY) = range(7)
+
+
+def isleap(year):
+    """Return True for leap years, False for non-leap years."""
+    return year % 4 == 0 and (year % 100 != 0 or year % 400 == 0)
+
+
+def leapdays(y1, y2):
+    """Return number of leap years in range [y1, y2).
+       Assume y1 <= y2."""
+    y1 -= 1
+    y2 -= 1
+    return (y2//4 - y1//4) - (y2//100 - y1//100) + (y2//400 - y1//400)
+
+
+def weekday(year, month, day):
+    """Return weekday (0-6 ~ Mon-Sun) for year, month (1-12), day (1-31)."""
+    if not datetime.MINYEAR <= year <= datetime.MAXYEAR:
+        year = 2000 + year % 400
+    return datetime.date(year, month, day).weekday()
+
+
+def monthrange(year, month):
+    """Return weekday (0-6 ~ Mon-Sun) and number of days (28-31) for
+       year, month."""
+    if not 1 <= month <= 12:
+        raise IllegalMonthError(month)
+    day1 = weekday(year, month, 1)
+    ndays = mdays[month] + (month == February and isleap(year))
+    return day1, ndays
+
+
+def _monthlen(year, month):
+    return mdays[month] + (month == February and isleap(year))
+
+
+def _prevmonth(year, month):
+    if month == 1:
+        return year-1, 12
+    else:
+        return year, month-1
+
+
+def _nextmonth(year, month):
+    if month == 12:
+        return year+1, 1
+    else:
+        return year, month+1
+
+
+class Calendar(object):
+    """
+    Base calendar class. This class doesn't do any formatting. It simply
+    provides data to subclasses.
+    """
+
+    def __init__(self, firstweekday=0):
+        self.firstweekday = firstweekday # 0 = Monday, 6 = Sunday
+
+    def getfirstweekday(self):
+        return self._firstweekday % 7
+
+    def setfirstweekday(self, firstweekday):
+        self._firstweekday = firstweekday
+
+    firstweekday = property(getfirstweekday, setfirstweekday)
+
+    def iterweekdays(self):
+        """
+        Return an iterator for one week of weekday numbers starting with the
+        configured first one.
+        """
+        for i in range(self.firstweekday, self.firstweekday + 7):
+            yield i%7
+
+    def itermonthdates(self, year, month):
+        """
+        Return an iterator for one month. The iterator will yield datetime.date
+        values and will always iterate through complete weeks, so it will yield
+        dates outside the specified month.
+        """
+        for y, m, d in self.itermonthdays3(year, month):
+            yield datetime.date(y, m, d)
+
+    def itermonthdays(self, year, month):
+        """
+        Like itermonthdates(), but will yield day numbers. For days outside
+        the specified month the day number is 0.
+        """
+        day1, ndays = monthrange(year, month)
+        days_before = (day1 - self.firstweekday) % 7
+        yield from repeat(0, days_before)
+        yield from range(1, ndays + 1)
+        days_after = (self.firstweekday - day1 - ndays) % 7
+        yield from repeat(0, days_after)
+
+    def itermonthdays2(self, year, month):
+        """
+        Like itermonthdates(), but will yield (day number, weekday number)
+        tuples. For days outside the specified month the day number is 0.
+        """
+        for i, d in enumerate(self.itermonthdays(year, month), self.firstweekday):
+            yield d, i % 7
+
+    def itermonthdays3(self, year, month):
+        """
+        Like itermonthdates(), but will yield (year, month, day) tuples.  Can be
+        used for dates outside of datetime.date range.
+        """
+        day1, ndays = monthrange(year, month)
+        days_before = (day1 - self.firstweekday) % 7
+        days_after = (self.firstweekday - day1 - ndays) % 7
+        y, m = _prevmonth(year, month)
+        end = _monthlen(y, m) + 1
+        for d in range(end-days_before, end):
+            yield y, m, d
+        for d in range(1, ndays + 1):
+            yield year, month, d
+        y, m = _nextmonth(year, month)
+        for d in range(1, days_after + 1):
+            yield y, m, d
+
+    def itermonthdays4(self, year, month):
+        """
+        Like itermonthdates(), but will yield (year, month, day, day_of_week) tuples.
+        Can be used for dates outside of datetime.date range.
+        """
+        for i, (y, m, d) in enumerate(self.itermonthdays3(year, month)):
+            yield y, m, d, (self.firstweekday + i) % 7
+
+    def monthdatescalendar(self, year, month):
+        """
+        Return a matrix (list of lists) representing a month's calendar.
+        Each row represents a week; week entries are datetime.date values.
+        """
+        dates = list(self.itermonthdates(year, month))
+        return [ dates[i:i+7] for i in range(0, len(dates), 7) ]
+
+    def monthdays2calendar(self, year, month):
+        """
+        Return a matrix representing a month's calendar.
+        Each row represents a week; week entries are
+        (day number, weekday number) tuples. Day numbers outside this month
+        are zero.
+        """
+        days = list(self.itermonthdays2(year, month))
+        return [ days[i:i+7] for i in range(0, len(days), 7) ]
+
+    def monthdayscalendar(self, year, month):
+        """
+        Return a matrix representing a month's calendar.
+        Each row represents a week; days outside this month are zero.
+        """
+        days = list(self.itermonthdays(year, month))
+        return [ days[i:i+7] for i in range(0, len(days), 7) ]
+
+    def yeardatescalendar(self, year, width=3):
+        """
+        Return the data for the specified year ready for formatting. The return
+        value is a list of month rows. Each month row contains up to width months.
+        Each month contains between 4 and 6 weeks and each week contains 1-7
+        days. Days are datetime.date objects.
+        """
+        months = [
+            self.monthdatescalendar(year, i)
+            for i in range(January, January+12)
+        ]
+        return [months[i:i+width] for i in range(0, len(months), width) ]
+
+    def yeardays2calendar(self, year, width=3):
+        """
+        Return the data for the specified year ready for formatting (similar to
+        yeardatescalendar()). Entries in the week lists are
+        (day number, weekday number) tuples. Day numbers outside this month are
+        zero.
+        """
+        months = [
+            self.monthdays2calendar(year, i)
+            for i in range(January, January+12)
+        ]
+        return [months[i:i+width] for i in range(0, len(months), width) ]
+
+    def yeardayscalendar(self, year, width=3):
+        """
+        Return the data for the specified year ready for formatting (similar to
+        yeardatescalendar()). Entries in the week lists are day numbers.
+        Day numbers outside this month are zero.
+        """
+        months = [
+            self.monthdayscalendar(year, i)
+            for i in range(January, January+12)
+        ]
+        return [months[i:i+width] for i in range(0, len(months), width) ]
+
+
+class TextCalendar(Calendar):
+    """
+    Subclass of Calendar that outputs a calendar as a simple plain text
+    similar to the UNIX program cal.
+    """
+
+    def prweek(self, theweek, width):
+        """
+        Print a single week (no newline).
+        """
+        print(self.formatweek(theweek, width), end='')
+
+    def formatday(self, day, weekday, width):
+        """
+        Returns a formatted day.
+        """
+        if day == 0:
+            s = ''
+        else:
+            s = '%2i' % day             # right-align single-digit days
+        return s.center(width)
+
+    def formatweek(self, theweek, width):
+        """
+        Returns a single week in a string (no newline).
+        """
+        return ' '.join(self.formatday(d, wd, width) for (d, wd) in theweek)
+
+    def formatweekday(self, day, width):
+        """
+        Returns a formatted week day name.
+        """
+        if width >= 9:
+            names = day_name
+        else:
+            names = day_abbr
+        return names[day][:width].center(width)
+
+    def formatweekheader(self, width):
+        """
+        Return a header for a week.
+        """
+        return ' '.join(self.formatweekday(i, width) for i in self.iterweekdays())
+
+    def formatmonthname(self, theyear, themonth, width, withyear=True):
+        """
+        Return a formatted month name.
+        """
+        s = month_name[themonth]
+        if withyear:
+            s = "%s %r" % (s, theyear)
+        return s.center(width)
+
+    def prmonth(self, theyear, themonth, w=0, l=0):
+        """
+        Print a month's calendar.
+        """
+        print(self.formatmonth(theyear, themonth, w, l), end='')
+
+    def formatmonth(self, theyear, themonth, w=0, l=0):
+        """
+        Return a month's calendar string (multi-line).
+        """
+        w = max(2, w)
+        l = max(1, l)
+        s = self.formatmonthname(theyear, themonth, 7 * (w + 1) - 1)
+        s = s.rstrip()
+        s += '\n' * l
+        s += self.formatweekheader(w).rstrip()
+        s += '\n' * l
+        for week in self.monthdays2calendar(theyear, themonth):
+            s += self.formatweek(week, w).rstrip()
+            s += '\n' * l
+        return s
+
+    def formatyear(self, theyear, w=2, l=1, c=6, m=3):
+        """
+        Returns a year's calendar as a multi-line string.
+        """
+        w = max(2, w)
+        l = max(1, l)
+        c = max(2, c)
+        colwidth = (w + 1) * 7 - 1
+        v = []
+        a = v.append
+        a(repr(theyear).center(colwidth*m+c*(m-1)).rstrip())
+        a('\n'*l)
+        header = self.formatweekheader(w)
+        for (i, row) in enumerate(self.yeardays2calendar(theyear, m)):
+            # months in this row
+            months = range(m*i+1, min(m*(i+1)+1, 13))
+            a('\n'*l)
+            names = (self.formatmonthname(theyear, k, colwidth, False)
+                     for k in months)
+            a(formatstring(names, colwidth, c).rstrip())
+            a('\n'*l)
+            headers = (header for k in months)
+            a(formatstring(headers, colwidth, c).rstrip())
+            a('\n'*l)
+            # max number of weeks for this row
+            height = max(len(cal) for cal in row)
+            for j in range(height):
+                weeks = []
+                for cal in row:
+                    if j >= len(cal):
+                        weeks.append('')
+                    else:
+                        weeks.append(self.formatweek(cal[j], w))
+                a(formatstring(weeks, colwidth, c).rstrip())
+                a('\n' * l)
+        return ''.join(v)
+
+    def pryear(self, theyear, w=0, l=0, c=6, m=3):
+        """Print a year's calendar."""
+        print(self.formatyear(theyear, w, l, c, m), end='')
+
+
+class HTMLCalendar(Calendar):
+    """
+    This calendar returns complete HTML pages.
+    """
+
+    # CSS classes for the day <td>s
+    cssclasses = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"]
+
+    # CSS classes for the day <th>s
+    cssclasses_weekday_head = cssclasses
+
+    # CSS class for the days before and after current month
+    cssclass_noday = "noday"
+
+    # CSS class for the month's head
+    cssclass_month_head = "month"
+
+    # CSS class for the month
+    cssclass_month = "month"
+
+    # CSS class for the year's table head
+    cssclass_year_head = "year"
+
+    # CSS class for the whole year table
+    cssclass_year = "year"
+
+    def formatday(self, day, weekday):
+        """
+        Return a day as a table cell.
+        """
+        if day == 0:
+            # day outside month
+            return '<td class="%s">&nbsp;</td>' % self.cssclass_noday
+        else:
+            return '<td class="%s">%d</td>' % (self.cssclasses[weekday], day)
+
+    def formatweek(self, theweek):
+        """
+        Return a complete week as a table row.
+        """
+        s = ''.join(self.formatday(d, wd) for (d, wd) in theweek)
+        return '<tr>%s</tr>' % s
+
+    def formatweekday(self, day):
+        """
+        Return a weekday name as a table header.
+        """
+        return '<th class="%s">%s</th>' % (
+            self.cssclasses_weekday_head[day], day_abbr[day])
+
+    def formatweekheader(self):
+        """
+        Return a header for a week as a table row.
+        """
+        s = ''.join(self.formatweekday(i) for i in self.iterweekdays())
+        return '<tr>%s</tr>' % s
+
+    def formatmonthname(self, theyear, themonth, withyear=True):
+        """
+        Return a month name as a table row.
+        """
+        if withyear:
+            s = '%s %s' % (month_name[themonth], theyear)
+        else:
+            s = '%s' % month_name[themonth]
+        return '<tr><th colspan="7" class="%s">%s</th></tr>' % (
+            self.cssclass_month_head, s)
+
+    def formatmonth(self, theyear, themonth, withyear=True):
+        """
+        Return a formatted month as a table.
+        """
+        v = []
+        a = v.append
+        a('<table border="0" cellpadding="0" cellspacing="0" class="%s">' % (
+            self.cssclass_month))
+        a('\n')
+        a(self.formatmonthname(theyear, themonth, withyear=withyear))
+        a('\n')
+        a(self.formatweekheader())
+        a('\n')
+        for week in self.monthdays2calendar(theyear, themonth):
+            a(self.formatweek(week))
+            a('\n')
+        a('</table>')
+        a('\n')
+        return ''.join(v)
+
+    def formatyear(self, theyear, width=3):
+        """
+        Return a formatted year as a table of tables.
+        """
+        v = []
+        a = v.append
+        width = max(width, 1)
+        a('<table border="0" cellpadding="0" cellspacing="0" class="%s">' %
+          self.cssclass_year)
+        a('\n')
+        a('<tr><th colspan="%d" class="%s">%s</th></tr>' % (
+            width, self.cssclass_year_head, theyear))
+        for i in range(January, January+12, width):
+            # months in this row
+            months = range(i, min(i+width, 13))
+            a('<tr>')
+            for m in months:
+                a('<td>')
+                a(self.formatmonth(theyear, m, withyear=False))
+                a('</td>')
+            a('</tr>')
+        a('</table>')
+        return ''.join(v)
+
+    def formatyearpage(self, theyear, width=3, css='calendar.css', encoding=None):
+        """
+        Return a formatted year as a complete HTML page.
+        """
+        if encoding is None:
+            encoding = sys.getdefaultencoding()
+        v = []
+        a = v.append
+        a('<?xml version="1.0" encoding="%s"?>\n' % encoding)
+        a('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n')
+        a('<html>\n')
+        a('<head>\n')
+        a('<meta http-equiv="Content-Type" content="text/html; charset=%s" />\n' % encoding)
+        if css is not None:
+            a('<link rel="stylesheet" type="text/css" href="%s" />\n' % css)
+        a('<title>Calendar for %d</title>\n' % theyear)
+        a('</head>\n')
+        a('<body>\n')
+        a(self.formatyear(theyear, width))
+        a('</body>\n')
+        a('</html>\n')
+        return ''.join(v).encode(encoding, "xmlcharrefreplace")
+
+
+class different_locale:
+    def __init__(self, locale):
+        self.locale = locale
+
+    def __enter__(self):
+        self.oldlocale = _locale.getlocale(_locale.LC_TIME)
+        _locale.setlocale(_locale.LC_TIME, self.locale)
+
+    def __exit__(self, *args):
+        _locale.setlocale(_locale.LC_TIME, self.oldlocale)
+
+
+class LocaleTextCalendar(TextCalendar):
+    """
+    This class can be passed a locale name in the constructor and will return
+    month and weekday names in the specified locale. If this locale includes
+    an encoding all strings containing month and weekday names will be returned
+    as unicode.
+    """
+
+    def __init__(self, firstweekday=0, locale=None):
+        TextCalendar.__init__(self, firstweekday)
+        if locale is None:
+            locale = _locale.getdefaultlocale()
+        self.locale = locale
+
+    def formatweekday(self, day, width):
+        with different_locale(self.locale):
+            if width >= 9:
+                names = day_name
+            else:
+                names = day_abbr
+            name = names[day]
+            return name[:width].center(width)
+
+    def formatmonthname(self, theyear, themonth, width, withyear=True):
+        with different_locale(self.locale):
+            s = month_name[themonth]
+            if withyear:
+                s = "%s %r" % (s, theyear)
+            return s.center(width)
+
+
+class LocaleHTMLCalendar(HTMLCalendar):
+    """
+    This class can be passed a locale name in the constructor and will return
+    month and weekday names in the specified locale. If this locale includes
+    an encoding all strings containing month and weekday names will be returned
+    as unicode.
+    """
+    def __init__(self, firstweekday=0, locale=None):
+        HTMLCalendar.__init__(self, firstweekday)
+        if locale is None:
+            locale = _locale.getdefaultlocale()
+        self.locale = locale
+
+    def formatweekday(self, day):
+        with different_locale(self.locale):
+            s = day_abbr[day]
+            return '<th class="%s">%s</th>' % (self.cssclasses[day], s)
+
+    def formatmonthname(self, theyear, themonth, withyear=True):
+        with different_locale(self.locale):
+            s = month_name[themonth]
+            if withyear:
+                s = '%s %s' % (s, theyear)
+            return '<tr><th colspan="7" class="month">%s</th></tr>' % s
+
+
+# Support for old module level interface
+c = TextCalendar()
+
+firstweekday = c.getfirstweekday
+
+def setfirstweekday(firstweekday):
+    if not MONDAY <= firstweekday <= SUNDAY:
+        raise IllegalWeekdayError(firstweekday)
+    c.firstweekday = firstweekday
+
+monthcalendar = c.monthdayscalendar
+prweek = c.prweek
+week = c.formatweek
+weekheader = c.formatweekheader
+prmonth = c.prmonth
+month = c.formatmonth
+calendar = c.formatyear
+prcal = c.pryear
+
+
+# Spacing of month columns for multi-column year calendar
+_colwidth = 7*3 - 1         # Amount printed by prweek()
+_spacing = 6                # Number of spaces between columns
+
+
+def format(cols, colwidth=_colwidth, spacing=_spacing):
+    """Prints multi-column formatting for year calendars"""
+    print(formatstring(cols, colwidth, spacing))
+
+
+def formatstring(cols, colwidth=_colwidth, spacing=_spacing):
+    """Returns a string formatted from n strings, centered within n columns."""
+    spacing *= ' '
+    return spacing.join(c.center(colwidth) for c in cols)
+
+
+EPOCH = 1970
+_EPOCH_ORD = datetime.date(EPOCH, 1, 1).toordinal()
+
+
+def timegm(tuple):
+    """Unrelated but handy function to calculate Unix timestamp from GMT."""
+    year, month, day, hour, minute, second = tuple[:6]
+    days = datetime.date(year, month, 1).toordinal() - _EPOCH_ORD + day - 1
+    hours = days*24 + hour
+    minutes = hours*60 + minute
+    seconds = minutes*60 + second
+    return seconds
+
+
+def main(args):
+    import argparse
+    parser = argparse.ArgumentParser()
+    textgroup = parser.add_argument_group('text only arguments')
+    htmlgroup = parser.add_argument_group('html only arguments')
+    textgroup.add_argument(
+        "-w", "--width",
+        type=int, default=2,
+        help="width of date column (default 2)"
+    )
+    textgroup.add_argument(
+        "-l", "--lines",
+        type=int, default=1,
+        help="number of lines for each week (default 1)"
+    )
+    textgroup.add_argument(
+        "-s", "--spacing",
+        type=int, default=6,
+        help="spacing between months (default 6)"
+    )
+    textgroup.add_argument(
+        "-m", "--months",
+        type=int, default=3,
+        help="months per row (default 3)"
+    )
+    htmlgroup.add_argument(
+        "-c", "--css",
+        default="calendar.css",
+        help="CSS to use for page"
+    )
+    parser.add_argument(
+        "-L", "--locale",
+        default=None,
+        help="locale to be used from month and weekday names"
+    )
+    parser.add_argument(
+        "-e", "--encoding",
+        default=None,
+        help="encoding to use for output"
+    )
+    parser.add_argument(
+        "-t", "--type",
+        default="text",
+        choices=("text", "html"),
+        help="output type (text or html)"
+    )
+    parser.add_argument(
+        "year",
+        nargs='?', type=int,
+        help="year number (1-9999)"
+    )
+    parser.add_argument(
+        "month",
+        nargs='?', type=int,
+        help="month number (1-12, text only)"
+    )
+
+    options = parser.parse_args(args[1:])
+
+    if options.locale and not options.encoding:
+        parser.error("if --locale is specified --encoding is required")
+        sys.exit(1)
+
+    locale = options.locale, options.encoding
+
+    if options.type == "html":
+        if options.locale:
+            cal = LocaleHTMLCalendar(locale=locale)
+        else:
+            cal = HTMLCalendar()
+        encoding = options.encoding
+        if encoding is None:
+            encoding = sys.getdefaultencoding()
+        optdict = dict(encoding=encoding, css=options.css)
+        write = sys.stdout.buffer.write
+        if options.year is None:
+            write(cal.formatyearpage(datetime.date.today().year, **optdict))
+        elif options.month is None:
+            write(cal.formatyearpage(options.year, **optdict))
+        else:
+            parser.error("incorrect number of arguments")
+            sys.exit(1)
+    else:
+        if options.locale:
+            cal = LocaleTextCalendar(locale=locale)
+        else:
+            cal = TextCalendar()
+        optdict = dict(w=options.width, l=options.lines)
+        if options.month is None:
+            optdict["c"] = options.spacing
+            optdict["m"] = options.months
+        if options.year is None:
+            result = cal.formatyear(datetime.date.today().year, **optdict)
+        elif options.month is None:
+            result = cal.formatyear(options.year, **optdict)
+        else:
+            result = cal.formatmonth(options.year, options.month, **optdict)
+        write = sys.stdout.write
+        if options.encoding:
+            result = result.encode(options.encoding)
+            write = sys.stdout.buffer.write
+        write(result)
+
+
+if __name__ == "__main__":
+    main(sys.argv)

my_container_sandbox/workspace/anaconda3/lib/python3.8/cgi.py

@@ -0,0 +1,1001 @@
+#! /usr/local/bin/python
+
+# NOTE: the above "/usr/local/bin/python" is NOT a mistake.  It is
+# intentionally NOT "/usr/bin/env python".  On many systems
+# (e.g. Solaris), /usr/local/bin is not in $PATH as passed to CGI
+# scripts, and /usr/local/bin is the default directory where Python is
+# installed, so /usr/bin/env would be unable to find python.  Granted,
+# binary installations by Linux vendors often install Python in
+# /usr/bin.  So let those vendors patch cgi.py to match their choice
+# of installation.
+
+"""Support module for CGI (Common Gateway Interface) scripts.
+
+This module defines a number of utilities for use by CGI scripts
+written in Python.
+"""
+
+# History
+# -------
+#
+# Michael McLay started this module.  Steve Majewski changed the
+# interface to SvFormContentDict and FormContentDict.  The multipart
+# parsing was inspired by code submitted by Andreas Paepcke.  Guido van
+# Rossum rewrote, reformatted and documented the module and is currently
+# responsible for its maintenance.
+#
+
+__version__ = "2.6"
+
+
+# Imports
+# =======
+
+from io import StringIO, BytesIO, TextIOWrapper
+from collections.abc import Mapping
+import sys
+import os
+import urllib.parse
+from email.parser import FeedParser
+from email.message import Message
+import html
+import locale
+import tempfile
+
+__all__ = ["MiniFieldStorage", "FieldStorage", "parse", "parse_multipart",
+           "parse_header", "test", "print_exception", "print_environ",
+           "print_form", "print_directory", "print_arguments",
+           "print_environ_usage"]
+
+# Logging support
+# ===============
+
+logfile = ""            # Filename to log to, if not empty
+logfp = None            # File object to log to, if not None
+
+def initlog(*allargs):
+    """Write a log message, if there is a log file.
+
+    Even though this function is called initlog(), you should always
+    use log(); log is a variable that is set either to initlog
+    (initially), to dolog (once the log file has been opened), or to
+    nolog (when logging is disabled).
+
+    The first argument is a format string; the remaining arguments (if
+    any) are arguments to the % operator, so e.g.
+        log("%s: %s", "a", "b")
+    will write "a: b" to the log file, followed by a newline.
+
+    If the global logfp is not None, it should be a file object to
+    which log data is written.
+
+    If the global logfp is None, the global logfile may be a string
+    giving a filename to open, in append mode.  This file should be
+    world writable!!!  If the file can't be opened, logging is
+    silently disabled (since there is no safe place where we could
+    send an error message).
+
+    """
+    global log, logfile, logfp
+    if logfile and not logfp:
+        try:
+            logfp = open(logfile, "a")
+        except OSError:
+            pass
+    if not logfp:
+        log = nolog
+    else:
+        log = dolog
+    log(*allargs)
+
+def dolog(fmt, *args):
+    """Write a log message to the log file.  See initlog() for docs."""
+    logfp.write(fmt%args + "\n")
+
+def nolog(*allargs):
+    """Dummy function, assigned to log when logging is disabled."""
+    pass
+
+def closelog():
+    """Close the log file."""
+    global log, logfile, logfp
+    logfile = ''
+    if logfp:
+        logfp.close()
+        logfp = None
+    log = initlog
+
+log = initlog           # The current logging function
+
+
+# Parsing functions
+# =================
+
+# Maximum input we will accept when REQUEST_METHOD is POST
+# 0 ==> unlimited input
+maxlen = 0
+
+def parse(fp=None, environ=os.environ, keep_blank_values=0,
+          strict_parsing=0, separator='&'):
+    """Parse a query in the environment or from a file (default stdin)
+
+        Arguments, all optional:
+
+        fp              : file pointer; default: sys.stdin.buffer
+
+        environ         : environment dictionary; default: os.environ
+
+        keep_blank_values: flag indicating whether blank values in
+            percent-encoded forms should be treated as blank strings.
+            A true value indicates that blanks should be retained as
+            blank strings.  The default false value indicates that
+            blank values are to be ignored and treated as if they were
+            not included.
+
+        strict_parsing: flag indicating what to do with parsing errors.
+            If false (the default), errors are silently ignored.
+            If true, errors raise a ValueError exception.
+
+        separator: str. The symbol to use for separating the query arguments.
+            Defaults to &.
+    """
+    if fp is None:
+        fp = sys.stdin
+
+    # field keys and values (except for files) are returned as strings
+    # an encoding is required to decode the bytes read from self.fp
+    if hasattr(fp,'encoding'):
+        encoding = fp.encoding
+    else:
+        encoding = 'latin-1'
+
+    # fp.read() must return bytes
+    if isinstance(fp, TextIOWrapper):
+        fp = fp.buffer
+
+    if not 'REQUEST_METHOD' in environ:
+        environ['REQUEST_METHOD'] = 'GET'       # For testing stand-alone
+    if environ['REQUEST_METHOD'] == 'POST':
+        ctype, pdict = parse_header(environ['CONTENT_TYPE'])
+        if ctype == 'multipart/form-data':
+            return parse_multipart(fp, pdict, separator=separator)
+        elif ctype == 'application/x-www-form-urlencoded':
+            clength = int(environ['CONTENT_LENGTH'])
+            if maxlen and clength > maxlen:
+                raise ValueError('Maximum content length exceeded')
+            qs = fp.read(clength).decode(encoding)
+        else:
+            qs = ''                     # Unknown content-type
+        if 'QUERY_STRING' in environ:
+            if qs: qs = qs + '&'
+            qs = qs + environ['QUERY_STRING']
+        elif sys.argv[1:]:
+            if qs: qs = qs + '&'
+            qs = qs + sys.argv[1]
+        environ['QUERY_STRING'] = qs    # XXX Shouldn't, really
+    elif 'QUERY_STRING' in environ:
+        qs = environ['QUERY_STRING']
+    else:
+        if sys.argv[1:]:
+            qs = sys.argv[1]
+        else:
+            qs = ""
+        environ['QUERY_STRING'] = qs    # XXX Shouldn't, really
+    return urllib.parse.parse_qs(qs, keep_blank_values, strict_parsing,
+                                 encoding=encoding, separator=separator)
+
+
+def parse_multipart(fp, pdict, encoding="utf-8", errors="replace", separator='&'):
+    """Parse multipart input.
+
+    Arguments:
+    fp   : input file
+    pdict: dictionary containing other parameters of content-type header
+    encoding, errors: request encoding and error handler, passed to
+        FieldStorage
+
+    Returns a dictionary just like parse_qs(): keys are the field names, each
+    value is a list of values for that field. For non-file fields, the value
+    is a list of strings.
+    """
+    # RFC 2026, Section 5.1 : The "multipart" boundary delimiters are always
+    # represented as 7bit US-ASCII.
+    boundary = pdict['boundary'].decode('ascii')
+    ctype = "multipart/form-data; boundary={}".format(boundary)
+    headers = Message()
+    headers.set_type(ctype)
+    try:
+        headers['Content-Length'] = pdict['CONTENT-LENGTH']
+    except KeyError:
+        pass
+    fs = FieldStorage(fp, headers=headers, encoding=encoding, errors=errors,
+        environ={'REQUEST_METHOD': 'POST'}, separator=separator)
+    return {k: fs.getlist(k) for k in fs}
+
+def _parseparam(s):
+    while s[:1] == ';':
+        s = s[1:]
+        end = s.find(';')
+        while end > 0 and (s.count('"', 0, end) - s.count('\\"', 0, end)) % 2:
+            end = s.find(';', end + 1)
+        if end < 0:
+            end = len(s)
+        f = s[:end]
+        yield f.strip()
+        s = s[end:]
+
+def parse_header(line):
+    """Parse a Content-type like header.
+
+    Return the main content-type and a dictionary of options.
+
+    """
+    parts = _parseparam(';' + line)
+    key = parts.__next__()
+    pdict = {}
+    for p in parts:
+        i = p.find('=')
+        if i >= 0:
+            name = p[:i].strip().lower()
+            value = p[i+1:].strip()
+            if len(value) >= 2 and value[0] == value[-1] == '"':
+                value = value[1:-1]
+                value = value.replace('\\\\', '\\').replace('\\"', '"')
+            pdict[name] = value
+    return key, pdict
+
+
+# Classes for field storage
+# =========================
+
+class MiniFieldStorage:
+
+    """Like FieldStorage, for use when no file uploads are possible."""
+
+    # Dummy attributes
+    filename = None
+    list = None
+    type = None
+    file = None
+    type_options = {}
+    disposition = None
+    disposition_options = {}
+    headers = {}
+
+    def __init__(self, name, value):
+        """Constructor from field name and value."""
+        self.name = name
+        self.value = value
+        # self.file = StringIO(value)
+
+    def __repr__(self):
+        """Return printable representation."""
+        return "MiniFieldStorage(%r, %r)" % (self.name, self.value)
+
+
+class FieldStorage:
+
+    """Store a sequence of fields, reading multipart/form-data.
+
+    This class provides naming, typing, files stored on disk, and
+    more.  At the top level, it is accessible like a dictionary, whose
+    keys are the field names.  (Note: None can occur as a field name.)
+    The items are either a Python list (if there's multiple values) or
+    another FieldStorage or MiniFieldStorage object.  If it's a single
+    object, it has the following attributes:
+
+    name: the field name, if specified; otherwise None
+
+    filename: the filename, if specified; otherwise None; this is the
+        client side filename, *not* the file name on which it is
+        stored (that's a temporary file you don't deal with)
+
+    value: the value as a *string*; for file uploads, this
+        transparently reads the file every time you request the value
+        and returns *bytes*
+
+    file: the file(-like) object from which you can read the data *as
+        bytes* ; None if the data is stored a simple string
+
+    type: the content-type, or None if not specified
+
+    type_options: dictionary of options specified on the content-type
+        line
+
+    disposition: content-disposition, or None if not specified
+
+    disposition_options: dictionary of corresponding options
+
+    headers: a dictionary(-like) object (sometimes email.message.Message or a
+        subclass thereof) containing *all* headers
+
+    The class is subclassable, mostly for the purpose of overriding
+    the make_file() method, which is called internally to come up with
+    a file open for reading and writing.  This makes it possible to
+    override the default choice of storing all files in a temporary
+    directory and unlinking them as soon as they have been opened.
+
+    """
+    def __init__(self, fp=None, headers=None, outerboundary=b'',
+                 environ=os.environ, keep_blank_values=0, strict_parsing=0,
+                 limit=None, encoding='utf-8', errors='replace',
+                 max_num_fields=None, separator='&'):
+        """Constructor.  Read multipart/* until last part.
+
+        Arguments, all optional:
+
+        fp              : file pointer; default: sys.stdin.buffer
+            (not used when the request method is GET)
+            Can be :
+            1. a TextIOWrapper object
+            2. an object whose read() and readline() methods return bytes
+
+        headers         : header dictionary-like object; default:
+            taken from environ as per CGI spec
+
+        outerboundary   : terminating multipart boundary
+            (for internal use only)
+
+        environ         : environment dictionary; default: os.environ
+
+        keep_blank_values: flag indicating whether blank values in
+            percent-encoded forms should be treated as blank strings.
+            A true value indicates that blanks should be retained as
+            blank strings.  The default false value indicates that
+            blank values are to be ignored and treated as if they were
+            not included.
+
+        strict_parsing: flag indicating what to do with parsing errors.
+            If false (the default), errors are silently ignored.
+            If true, errors raise a ValueError exception.
+
+        limit : used internally to read parts of multipart/form-data forms,
+            to exit from the reading loop when reached. It is the difference
+            between the form content-length and the number of bytes already
+            read
+
+        encoding, errors : the encoding and error handler used to decode the
+            binary stream to strings. Must be the same as the charset defined
+            for the page sending the form (content-type : meta http-equiv or
+            header)
+
+        max_num_fields: int. If set, then __init__ throws a ValueError
+            if there are more than n fields read by parse_qsl().
+
+        """
+        method = 'GET'
+        self.keep_blank_values = keep_blank_values
+        self.strict_parsing = strict_parsing
+        self.max_num_fields = max_num_fields
+        self.separator = separator
+        if 'REQUEST_METHOD' in environ:
+            method = environ['REQUEST_METHOD'].upper()
+        self.qs_on_post = None
+        if method == 'GET' or method == 'HEAD':
+            if 'QUERY_STRING' in environ:
+                qs = environ['QUERY_STRING']
+            elif sys.argv[1:]:
+                qs = sys.argv[1]
+            else:
+                qs = ""
+            qs = qs.encode(locale.getpreferredencoding(), 'surrogateescape')
+            fp = BytesIO(qs)
+            if headers is None:
+                headers = {'content-type':
+                           "application/x-www-form-urlencoded"}
+        if headers is None:
+            headers = {}
+            if method == 'POST':
+                # Set default content-type for POST to what's traditional
+                headers['content-type'] = "application/x-www-form-urlencoded"
+            if 'CONTENT_TYPE' in environ:
+                headers['content-type'] = environ['CONTENT_TYPE']
+            if 'QUERY_STRING' in environ:
+                self.qs_on_post = environ['QUERY_STRING']
+            if 'CONTENT_LENGTH' in environ:
+                headers['content-length'] = environ['CONTENT_LENGTH']
+        else:
+            if not (isinstance(headers, (Mapping, Message))):
+                raise TypeError("headers must be mapping or an instance of "
+                                "email.message.Message")
+        self.headers = headers
+        if fp is None:
+            self.fp = sys.stdin.buffer
+        # self.fp.read() must return bytes
+        elif isinstance(fp, TextIOWrapper):
+            self.fp = fp.buffer
+        else:
+            if not (hasattr(fp, 'read') and hasattr(fp, 'readline')):
+                raise TypeError("fp must be file pointer")
+            self.fp = fp
+
+        self.encoding = encoding
+        self.errors = errors
+
+        if not isinstance(outerboundary, bytes):
+            raise TypeError('outerboundary must be bytes, not %s'
+                            % type(outerboundary).__name__)
+        self.outerboundary = outerboundary
+
+        self.bytes_read = 0
+        self.limit = limit
+
+        # Process content-disposition header
+        cdisp, pdict = "", {}
+        if 'content-disposition' in self.headers:
+            cdisp, pdict = parse_header(self.headers['content-disposition'])
+        self.disposition = cdisp
+        self.disposition_options = pdict
+        self.name = None
+        if 'name' in pdict:
+            self.name = pdict['name']
+        self.filename = None
+        if 'filename' in pdict:
+            self.filename = pdict['filename']
+        self._binary_file = self.filename is not None
+
+        # Process content-type header
+        #
+        # Honor any existing content-type header.  But if there is no
+        # content-type header, use some sensible defaults.  Assume
+        # outerboundary is "" at the outer level, but something non-false
+        # inside a multi-part.  The default for an inner part is text/plain,
+        # but for an outer part it should be urlencoded.  This should catch
+        # bogus clients which erroneously forget to include a content-type
+        # header.
+        #
+        # See below for what we do if there does exist a content-type header,
+        # but it happens to be something we don't understand.
+        if 'content-type' in self.headers:
+            ctype, pdict = parse_header(self.headers['content-type'])
+        elif self.outerboundary or method != 'POST':
+            ctype, pdict = "text/plain", {}
+        else:
+            ctype, pdict = 'application/x-www-form-urlencoded', {}
+        self.type = ctype
+        self.type_options = pdict
+        if 'boundary' in pdict:
+            self.innerboundary = pdict['boundary'].encode(self.encoding,
+                                                          self.errors)
+        else:
+            self.innerboundary = b""
+
+        clen = -1
+        if 'content-length' in self.headers:
+            try:
+                clen = int(self.headers['content-length'])
+            except ValueError:
+                pass
+            if maxlen and clen > maxlen:
+                raise ValueError('Maximum content length exceeded')
+        self.length = clen
+        if self.limit is None and clen >= 0:
+            self.limit = clen
+
+        self.list = self.file = None
+        self.done = 0
+        if ctype == 'application/x-www-form-urlencoded':
+            self.read_urlencoded()
+        elif ctype[:10] == 'multipart/':
+            self.read_multi(environ, keep_blank_values, strict_parsing)
+        else:
+            self.read_single()
+
+    def __del__(self):
+        try:
+            self.file.close()
+        except AttributeError:
+            pass
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.file.close()
+
+    def __repr__(self):
+        """Return a printable representation."""
+        return "FieldStorage(%r, %r, %r)" % (
+                self.name, self.filename, self.value)
+
+    def __iter__(self):
+        return iter(self.keys())
+
+    def __getattr__(self, name):
+        if name != 'value':
+            raise AttributeError(name)
+        if self.file:
+            self.file.seek(0)
+            value = self.file.read()
+            self.file.seek(0)
+        elif self.list is not None:
+            value = self.list
+        else:
+            value = None
+        return value
+
+    def __getitem__(self, key):
+        """Dictionary style indexing."""
+        if self.list is None:
+            raise TypeError("not indexable")
+        found = []
+        for item in self.list:
+            if item.name == key: found.append(item)
+        if not found:
+            raise KeyError(key)
+        if len(found) == 1:
+            return found[0]
+        else:
+            return found
+
+    def getvalue(self, key, default=None):
+        """Dictionary style get() method, including 'value' lookup."""
+        if key in self:
+            value = self[key]
+            if isinstance(value, list):
+                return [x.value for x in value]
+            else:
+                return value.value
+        else:
+            return default
+
+    def getfirst(self, key, default=None):
+        """ Return the first value received."""
+        if key in self:
+            value = self[key]
+            if isinstance(value, list):
+                return value[0].value
+            else:
+                return value.value
+        else:
+            return default
+
+    def getlist(self, key):
+        """ Return list of received values."""
+        if key in self:
+            value = self[key]
+            if isinstance(value, list):
+                return [x.value for x in value]
+            else:
+                return [value.value]
+        else:
+            return []
+
+    def keys(self):
+        """Dictionary style keys() method."""
+        if self.list is None:
+            raise TypeError("not indexable")
+        return list(set(item.name for item in self.list))
+
+    def __contains__(self, key):
+        """Dictionary style __contains__ method."""
+        if self.list is None:
+            raise TypeError("not indexable")
+        return any(item.name == key for item in self.list)
+
+    def __len__(self):
+        """Dictionary style len(x) support."""
+        return len(self.keys())
+
+    def __bool__(self):
+        if self.list is None:
+            raise TypeError("Cannot be converted to bool.")
+        return bool(self.list)
+
+    def read_urlencoded(self):
+        """Internal: read data in query string format."""
+        qs = self.fp.read(self.length)
+        if not isinstance(qs, bytes):
+            raise ValueError("%s should return bytes, got %s" \
+                             % (self.fp, type(qs).__name__))
+        qs = qs.decode(self.encoding, self.errors)
+        if self.qs_on_post:
+            qs += '&' + self.qs_on_post
+        query = urllib.parse.parse_qsl(
+            qs, self.keep_blank_values, self.strict_parsing,
+            encoding=self.encoding, errors=self.errors,
+            max_num_fields=self.max_num_fields, separator=self.separator)
+        self.list = [MiniFieldStorage(key, value) for key, value in query]
+        self.skip_lines()
+
+    FieldStorageClass = None
+
+    def read_multi(self, environ, keep_blank_values, strict_parsing):
+        """Internal: read a part that is itself multipart."""
+        ib = self.innerboundary
+        if not valid_boundary(ib):
+            raise ValueError('Invalid boundary in multipart form: %r' % (ib,))
+        self.list = []
+        if self.qs_on_post:
+            query = urllib.parse.parse_qsl(
+                self.qs_on_post, self.keep_blank_values, self.strict_parsing,
+                encoding=self.encoding, errors=self.errors,
+                max_num_fields=self.max_num_fields, separator=self.separator)
+            self.list.extend(MiniFieldStorage(key, value) for key, value in query)
+
+        klass = self.FieldStorageClass or self.__class__
+        first_line = self.fp.readline() # bytes
+        if not isinstance(first_line, bytes):
+            raise ValueError("%s should return bytes, got %s" \
+                             % (self.fp, type(first_line).__name__))
+        self.bytes_read += len(first_line)
+
+        # Ensure that we consume the file until we've hit our inner boundary
+        while (first_line.strip() != (b"--" + self.innerboundary) and
+                first_line):
+            first_line = self.fp.readline()
+            self.bytes_read += len(first_line)
+
+        # Propagate max_num_fields into the sub class appropriately
+        max_num_fields = self.max_num_fields
+        if max_num_fields is not None:
+            max_num_fields -= len(self.list)
+
+        while True:
+            parser = FeedParser()
+            hdr_text = b""
+            while True:
+                data = self.fp.readline()
+                hdr_text += data
+                if not data.strip():
+                    break
+            if not hdr_text:
+                break
+            # parser takes strings, not bytes
+            self.bytes_read += len(hdr_text)
+            parser.feed(hdr_text.decode(self.encoding, self.errors))
+            headers = parser.close()
+
+            # Some clients add Content-Length for part headers, ignore them
+            if 'content-length' in headers:
+                del headers['content-length']
+
+            limit = None if self.limit is None \
+                else self.limit - self.bytes_read
+            part = klass(self.fp, headers, ib, environ, keep_blank_values,
+                         strict_parsing, limit,
+                         self.encoding, self.errors, max_num_fields, self.separator)
+
+            if max_num_fields is not None:
+                max_num_fields -= 1
+                if part.list:
+                    max_num_fields -= len(part.list)
+                if max_num_fields < 0:
+                    raise ValueError('Max number of fields exceeded')
+
+            self.bytes_read += part.bytes_read
+            self.list.append(part)
+            if part.done or self.bytes_read >= self.length > 0:
+                break
+        self.skip_lines()
+
+    def read_single(self):
+        """Internal: read an atomic part."""
+        if self.length >= 0:
+            self.read_binary()
+            self.skip_lines()
+        else:
+            self.read_lines()
+        self.file.seek(0)
+
+    bufsize = 8*1024            # I/O buffering size for copy to file
+
+    def read_binary(self):
+        """Internal: read binary data."""
+        self.file = self.make_file()
+        todo = self.length
+        if todo >= 0:
+            while todo > 0:
+                data = self.fp.read(min(todo, self.bufsize)) # bytes
+                if not isinstance(data, bytes):
+                    raise ValueError("%s should return bytes, got %s"
+                                     % (self.fp, type(data).__name__))
+                self.bytes_read += len(data)
+                if not data:
+                    self.done = -1
+                    break
+                self.file.write(data)
+                todo = todo - len(data)
+
+    def read_lines(self):
+        """Internal: read lines until EOF or outerboundary."""
+        if self._binary_file:
+            self.file = self.__file = BytesIO() # store data as bytes for files
+        else:
+            self.file = self.__file = StringIO() # as strings for other fields
+        if self.outerboundary:
+            self.read_lines_to_outerboundary()
+        else:
+            self.read_lines_to_eof()
+
+    def __write(self, line):
+        """line is always bytes, not string"""
+        if self.__file is not None:
+            if self.__file.tell() + len(line) > 1000:
+                self.file = self.make_file()
+                data = self.__file.getvalue()
+                self.file.write(data)
+                self.__file = None
+        if self._binary_file:
+            # keep bytes
+            self.file.write(line)
+        else:
+            # decode to string
+            self.file.write(line.decode(self.encoding, self.errors))
+
+    def read_lines_to_eof(self):
+        """Internal: read lines until EOF."""
+        while 1:
+            line = self.fp.readline(1<<16) # bytes
+            self.bytes_read += len(line)
+            if not line:
+                self.done = -1
+                break
+            self.__write(line)
+
+    def read_lines_to_outerboundary(self):
+        """Internal: read lines until outerboundary.
+        Data is read as bytes: boundaries and line ends must be converted
+        to bytes for comparisons.
+        """
+        next_boundary = b"--" + self.outerboundary
+        last_boundary = next_boundary + b"--"
+        delim = b""
+        last_line_lfend = True
+        _read = 0
+        while 1:
+
+            if self.limit is not None and 0 <= self.limit <= _read:
+                break
+            line = self.fp.readline(1<<16) # bytes
+            self.bytes_read += len(line)
+            _read += len(line)
+            if not line:
+                self.done = -1
+                break
+            if delim == b"\r":
+                line = delim + line
+                delim = b""
+            if line.startswith(b"--") and last_line_lfend:
+                strippedline = line.rstrip()
+                if strippedline == next_boundary:
+                    break
+                if strippedline == last_boundary:
+                    self.done = 1
+                    break
+            odelim = delim
+            if line.endswith(b"\r\n"):
+                delim = b"\r\n"
+                line = line[:-2]
+                last_line_lfend = True
+            elif line.endswith(b"\n"):
+                delim = b"\n"
+                line = line[:-1]
+                last_line_lfend = True
+            elif line.endswith(b"\r"):
+                # We may interrupt \r\n sequences if they span the 2**16
+                # byte boundary
+                delim = b"\r"
+                line = line[:-1]
+                last_line_lfend = False
+            else:
+                delim = b""
+                last_line_lfend = False
+            self.__write(odelim + line)
+
+    def skip_lines(self):
+        """Internal: skip lines until outer boundary if defined."""
+        if not self.outerboundary or self.done:
+            return
+        next_boundary = b"--" + self.outerboundary
+        last_boundary = next_boundary + b"--"
+        last_line_lfend = True
+        while True:
+            line = self.fp.readline(1<<16)
+            self.bytes_read += len(line)
+            if not line:
+                self.done = -1
+                break
+            if line.endswith(b"--") and last_line_lfend:
+                strippedline = line.strip()
+                if strippedline == next_boundary:
+                    break
+                if strippedline == last_boundary:
+                    self.done = 1
+                    break
+            last_line_lfend = line.endswith(b'\n')
+
+    def make_file(self):
+        """Overridable: return a readable & writable file.
+
+        The file will be used as follows:
+        - data is written to it
+        - seek(0)
+        - data is read from it
+
+        The file is opened in binary mode for files, in text mode
+        for other fields
+
+        This version opens a temporary file for reading and writing,
+        and immediately deletes (unlinks) it.  The trick (on Unix!) is
+        that the file can still be used, but it can't be opened by
+        another process, and it will automatically be deleted when it
+        is closed or when the current process terminates.
+
+        If you want a more permanent file, you derive a class which
+        overrides this method.  If you want a visible temporary file
+        that is nevertheless automatically deleted when the script
+        terminates, try defining a __del__ method in a derived class
+        which unlinks the temporary files you have created.
+
+        """
+        if self._binary_file:
+            return tempfile.TemporaryFile("wb+")
+        else:
+            return tempfile.TemporaryFile("w+",
+                encoding=self.encoding, newline = '\n')
+
+
+# Test/debug code
+# ===============
+
+def test(environ=os.environ):
+    """Robust test CGI script, usable as main program.
+
+    Write minimal HTTP headers and dump all information provided to
+    the script in HTML form.
+
+    """
+    print("Content-type: text/html")
+    print()
+    sys.stderr = sys.stdout
+    try:
+        form = FieldStorage()   # Replace with other classes to test those
+        print_directory()
+        print_arguments()
+        print_form(form)
+        print_environ(environ)
+        print_environ_usage()
+        def f():
+            exec("testing print_exception() -- <I>italics?</I>")
+        def g(f=f):
+            f()
+        print("<H3>What follows is a test, not an actual exception:</H3>")
+        g()
+    except:
+        print_exception()
+
+    print("<H1>Second try with a small maxlen...</H1>")
+
+    global maxlen
+    maxlen = 50
+    try:
+        form = FieldStorage()   # Replace with other classes to test those
+        print_directory()
+        print_arguments()
+        print_form(form)
+        print_environ(environ)
+    except:
+        print_exception()
+
+def print_exception(type=None, value=None, tb=None, limit=None):
+    if type is None:
+        type, value, tb = sys.exc_info()
+    import traceback
+    print()
+    print("<H3>Traceback (most recent call last):</H3>")
+    list = traceback.format_tb(tb, limit) + \
+           traceback.format_exception_only(type, value)
+    print("<PRE>%s<B>%s</B></PRE>" % (
+        html.escape("".join(list[:-1])),
+        html.escape(list[-1]),
+        ))
+    del tb
+
+def print_environ(environ=os.environ):
+    """Dump the shell environment as HTML."""
+    keys = sorted(environ.keys())
+    print()
+    print("<H3>Shell Environment:</H3>")
+    print("<DL>")
+    for key in keys:
+        print("<DT>", html.escape(key), "<DD>", html.escape(environ[key]))
+    print("</DL>")
+    print()
+
+def print_form(form):
+    """Dump the contents of a form as HTML."""
+    keys = sorted(form.keys())
+    print()
+    print("<H3>Form Contents:</H3>")
+    if not keys:
+        print("<P>No form fields.")
+    print("<DL>")
+    for key in keys:
+        print("<DT>" + html.escape(key) + ":", end=' ')
+        value = form[key]
+        print("<i>" + html.escape(repr(type(value))) + "</i>")
+        print("<DD>" + html.escape(repr(value)))
+    print("</DL>")
+    print()
+
+def print_directory():
+    """Dump the current directory as HTML."""
+    print()
+    print("<H3>Current Working Directory:</H3>")
+    try:
+        pwd = os.getcwd()
+    except OSError as msg:
+        print("OSError:", html.escape(str(msg)))
+    else:
+        print(html.escape(pwd))
+    print()
+
+def print_arguments():
+    print()
+    print("<H3>Command Line Arguments:</H3>")
+    print()
+    print(sys.argv)
+    print()
+
+def print_environ_usage():
+    """Dump a list of environment variables used by CGI as HTML."""
+    print("""
+<H3>These environment variables could have been set:</H3>
+<UL>
+<LI>AUTH_TYPE
+<LI>CONTENT_LENGTH
+<LI>CONTENT_TYPE
+<LI>DATE_GMT
+<LI>DATE_LOCAL
+<LI>DOCUMENT_NAME
+<LI>DOCUMENT_ROOT
+<LI>DOCUMENT_URI
+<LI>GATEWAY_INTERFACE
+<LI>LAST_MODIFIED
+<LI>PATH
+<LI>PATH_INFO
+<LI>PATH_TRANSLATED
+<LI>QUERY_STRING
+<LI>REMOTE_ADDR
+<LI>REMOTE_HOST
+<LI>REMOTE_IDENT
+<LI>REMOTE_USER
+<LI>REQUEST_METHOD
+<LI>SCRIPT_NAME
+<LI>SERVER_NAME
+<LI>SERVER_PORT
+<LI>SERVER_PROTOCOL
+<LI>SERVER_ROOT
+<LI>SERVER_SOFTWARE
+</UL>
+In addition, HTTP headers sent by the server may be passed in the
+environment as well.  Here are some common variable names:
+<UL>
+<LI>HTTP_ACCEPT
+<LI>HTTP_CONNECTION
+<LI>HTTP_HOST
+<LI>HTTP_PRAGMA
+<LI>HTTP_REFERER
+<LI>HTTP_USER_AGENT
+</UL>
+""")
+
+
+# Utilities
+# =========
+
+def valid_boundary(s):
+    import re
+    if isinstance(s, bytes):
+        _vb_pattern = b"^[ -~]{0,200}[!-~]$"
+    else:
+        _vb_pattern = "^[ -~]{0,200}[!-~]$"
+    return re.match(_vb_pattern, s)
+
+# Invoke mainline
+# ===============
+
+# Call test() when this file is run as a script (not imported as a module)
+if __name__ == '__main__':
+    test()

my_container_sandbox/workspace/anaconda3/lib/python3.8/cgitb.py

@@ -0,0 +1,321 @@
+"""More comprehensive traceback formatting for Python scripts.
+
+To enable this module, do:
+
+    import cgitb; cgitb.enable()
+
+at the top of your script.  The optional arguments to enable() are:
+
+    display     - if true, tracebacks are displayed in the web browser
+    logdir      - if set, tracebacks are written to files in this directory
+    context     - number of lines of source code to show for each stack frame
+    format      - 'text' or 'html' controls the output format
+
+By default, tracebacks are displayed but not saved, the context is 5 lines
+and the output format is 'html' (for backwards compatibility with the
+original use of this module)
+
+Alternatively, if you have caught an exception and want cgitb to display it
+for you, call cgitb.handler().  The optional argument to handler() is a
+3-item tuple (etype, evalue, etb) just like the value of sys.exc_info().
+The default handler displays output as HTML.
+
+"""
+import inspect
+import keyword
+import linecache
+import os
+import pydoc
+import sys
+import tempfile
+import time
+import tokenize
+import traceback
+
+def reset():
+    """Return a string that resets the CGI and browser to a known state."""
+    return '''<!--: spam
+Content-Type: text/html
+
+<body bgcolor="#f0f0f8"><font color="#f0f0f8" size="-5"> -->
+<body bgcolor="#f0f0f8"><font color="#f0f0f8" size="-5"> --> -->
+</font> </font> </font> </script> </object> </blockquote> </pre>
+</table> </table> </table> </table> </table> </font> </font> </font>'''
+
+__UNDEF__ = []                          # a special sentinel object
+def small(text):
+    if text:
+        return '<small>' + text + '</small>'
+    else:
+        return ''
+
+def strong(text):
+    if text:
+        return '<strong>' + text + '</strong>'
+    else:
+        return ''
+
+def grey(text):
+    if text:
+        return '<font color="#909090">' + text + '</font>'
+    else:
+        return ''
+
+def lookup(name, frame, locals):
+    """Find the value for a given name in the given environment."""
+    if name in locals:
+        return 'local', locals[name]
+    if name in frame.f_globals:
+        return 'global', frame.f_globals[name]
+    if '__builtins__' in frame.f_globals:
+        builtins = frame.f_globals['__builtins__']
+        if type(builtins) is type({}):
+            if name in builtins:
+                return 'builtin', builtins[name]
+        else:
+            if hasattr(builtins, name):
+                return 'builtin', getattr(builtins, name)
+    return None, __UNDEF__
+
+def scanvars(reader, frame, locals):
+    """Scan one logical line of Python and look up values of variables used."""
+    vars, lasttoken, parent, prefix, value = [], None, None, '', __UNDEF__
+    for ttype, token, start, end, line in tokenize.generate_tokens(reader):
+        if ttype == tokenize.NEWLINE: break
+        if ttype == tokenize.NAME and token not in keyword.kwlist:
+            if lasttoken == '.':
+                if parent is not __UNDEF__:
+                    value = getattr(parent, token, __UNDEF__)
+                    vars.append((prefix + token, prefix, value))
+            else:
+                where, value = lookup(token, frame, locals)
+                vars.append((token, where, value))
+        elif token == '.':
+            prefix += lasttoken + '.'
+            parent = value
+        else:
+            parent, prefix = None, ''
+        lasttoken = token
+    return vars
+
+def html(einfo, context=5):
+    """Return a nice HTML document describing a given traceback."""
+    etype, evalue, etb = einfo
+    if isinstance(etype, type):
+        etype = etype.__name__
+    pyver = 'Python ' + sys.version.split()[0] + ': ' + sys.executable
+    date = time.ctime(time.time())
+    head = '<body bgcolor="#f0f0f8">' + pydoc.html.heading(
+        '<big><big>%s</big></big>' %
+        strong(pydoc.html.escape(str(etype))),
+        '#ffffff', '#6622aa', pyver + '<br>' + date) + '''
+<p>A problem occurred in a Python script.  Here is the sequence of
+function calls leading up to the error, in the order they occurred.</p>'''
+
+    indent = '<tt>' + small('&nbsp;' * 5) + '&nbsp;</tt>'
+    frames = []
+    records = inspect.getinnerframes(etb, context)
+    for frame, file, lnum, func, lines, index in records:
+        if file:
+            file = os.path.abspath(file)
+            link = '<a href="file://%s">%s</a>' % (file, pydoc.html.escape(file))
+        else:
+            file = link = '?'
+        args, varargs, varkw, locals = inspect.getargvalues(frame)
+        call = ''
+        if func != '?':
+            call = 'in ' + strong(pydoc.html.escape(func))
+            if func != "<module>":
+                call += inspect.formatargvalues(args, varargs, varkw, locals,
+                    formatvalue=lambda value: '=' + pydoc.html.repr(value))
+
+        highlight = {}
+        def reader(lnum=[lnum]):
+            highlight[lnum[0]] = 1
+            try: return linecache.getline(file, lnum[0])
+            finally: lnum[0] += 1
+        vars = scanvars(reader, frame, locals)
+
+        rows = ['<tr><td bgcolor="#d8bbff">%s%s %s</td></tr>' %
+                ('<big>&nbsp;</big>', link, call)]
+        if index is not None:
+            i = lnum - index
+            for line in lines:
+                num = small('&nbsp;' * (5-len(str(i))) + str(i)) + '&nbsp;'
+                if i in highlight:
+                    line = '<tt>=&gt;%s%s</tt>' % (num, pydoc.html.preformat(line))
+                    rows.append('<tr><td bgcolor="#ffccee">%s</td></tr>' % line)
+                else:
+                    line = '<tt>&nbsp;&nbsp;%s%s</tt>' % (num, pydoc.html.preformat(line))
+                    rows.append('<tr><td>%s</td></tr>' % grey(line))
+                i += 1
+
+        done, dump = {}, []
+        for name, where, value in vars:
+            if name in done: continue
+            done[name] = 1
+            if value is not __UNDEF__:
+                if where in ('global', 'builtin'):
+                    name = ('<em>%s</em> ' % where) + strong(name)
+                elif where == 'local':
+                    name = strong(name)
+                else:
+                    name = where + strong(name.split('.')[-1])
+                dump.append('%s&nbsp;= %s' % (name, pydoc.html.repr(value)))
+            else:
+                dump.append(name + ' <em>undefined</em>')
+
+        rows.append('<tr><td>%s</td></tr>' % small(grey(', '.join(dump))))
+        frames.append('''
+<table width="100%%" cellspacing=0 cellpadding=0 border=0>
+%s</table>''' % '\n'.join(rows))
+
+    exception = ['<p>%s: %s' % (strong(pydoc.html.escape(str(etype))),
+                                pydoc.html.escape(str(evalue)))]
+    for name in dir(evalue):
+        if name[:1] == '_': continue
+        value = pydoc.html.repr(getattr(evalue, name))
+        exception.append('\n<br>%s%s&nbsp;=\n%s' % (indent, name, value))
+
+    return head + ''.join(frames) + ''.join(exception) + '''
+
+
+<!-- The above is a description of an error in a Python program, formatted
+     for a Web browser because the 'cgitb' module was enabled.  In case you
+     are not reading this in a Web browser, here is the original traceback:
+
+%s
+-->
+''' % pydoc.html.escape(
+          ''.join(traceback.format_exception(etype, evalue, etb)))
+
+def text(einfo, context=5):
+    """Return a plain text document describing a given traceback."""
+    etype, evalue, etb = einfo
+    if isinstance(etype, type):
+        etype = etype.__name__
+    pyver = 'Python ' + sys.version.split()[0] + ': ' + sys.executable
+    date = time.ctime(time.time())
+    head = "%s\n%s\n%s\n" % (str(etype), pyver, date) + '''
+A problem occurred in a Python script.  Here is the sequence of
+function calls leading up to the error, in the order they occurred.
+'''
+
+    frames = []
+    records = inspect.getinnerframes(etb, context)
+    for frame, file, lnum, func, lines, index in records:
+        file = file and os.path.abspath(file) or '?'
+        args, varargs, varkw, locals = inspect.getargvalues(frame)
+        call = ''
+        if func != '?':
+            call = 'in ' + func
+            if func != "<module>":
+                call += inspect.formatargvalues(args, varargs, varkw, locals,
+                    formatvalue=lambda value: '=' + pydoc.text.repr(value))
+
+        highlight = {}
+        def reader(lnum=[lnum]):
+            highlight[lnum[0]] = 1
+            try: return linecache.getline(file, lnum[0])
+            finally: lnum[0] += 1
+        vars = scanvars(reader, frame, locals)
+
+        rows = [' %s %s' % (file, call)]
+        if index is not None:
+            i = lnum - index
+            for line in lines:
+                num = '%5d ' % i
+                rows.append(num+line.rstrip())
+                i += 1
+
+        done, dump = {}, []
+        for name, where, value in vars:
+            if name in done: continue
+            done[name] = 1
+            if value is not __UNDEF__:
+                if where == 'global': name = 'global ' + name
+                elif where != 'local': name = where + name.split('.')[-1]
+                dump.append('%s = %s' % (name, pydoc.text.repr(value)))
+            else:
+                dump.append(name + ' undefined')
+
+        rows.append('\n'.join(dump))
+        frames.append('\n%s\n' % '\n'.join(rows))
+
+    exception = ['%s: %s' % (str(etype), str(evalue))]
+    for name in dir(evalue):
+        value = pydoc.text.repr(getattr(evalue, name))
+        exception.append('\n%s%s = %s' % (" "*4, name, value))
+
+    return head + ''.join(frames) + ''.join(exception) + '''
+
+The above is a description of an error in a Python program.  Here is
+the original traceback:
+
+%s
+''' % ''.join(traceback.format_exception(etype, evalue, etb))
+
+class Hook:
+    """A hook to replace sys.excepthook that shows tracebacks in HTML."""
+
+    def __init__(self, display=1, logdir=None, context=5, file=None,
+                 format="html"):
+        self.display = display          # send tracebacks to browser if true
+        self.logdir = logdir            # log tracebacks to files if not None
+        self.context = context          # number of source code lines per frame
+        self.file = file or sys.stdout  # place to send the output
+        self.format = format
+
+    def __call__(self, etype, evalue, etb):
+        self.handle((etype, evalue, etb))
+
+    def handle(self, info=None):
+        info = info or sys.exc_info()
+        if self.format == "html":
+            self.file.write(reset())
+
+        formatter = (self.format=="html") and html or text
+        plain = False
+        try:
+            doc = formatter(info, self.context)
+        except:                         # just in case something goes wrong
+            doc = ''.join(traceback.format_exception(*info))
+            plain = True
+
+        if self.display:
+            if plain:
+                doc = pydoc.html.escape(doc)
+                self.file.write('<pre>' + doc + '</pre>\n')
+            else:
+                self.file.write(doc + '\n')
+        else:
+            self.file.write('<p>A problem occurred in a Python script.\n')
+
+        if self.logdir is not None:
+            suffix = ['.txt', '.html'][self.format=="html"]
+            (fd, path) = tempfile.mkstemp(suffix=suffix, dir=self.logdir)
+
+            try:
+                with os.fdopen(fd, 'w') as file:
+                    file.write(doc)
+                msg = '%s contains the description of this error.' % path
+            except:
+                msg = 'Tried to save traceback to %s, but failed.' % path
+
+            if self.format == 'html':
+                self.file.write('<p>%s</p>\n' % msg)
+            else:
+                self.file.write(msg + '\n')
+        try:
+            self.file.flush()
+        except: pass
+
+handler = Hook().handle
+def enable(display=1, logdir=None, context=5, format="html"):
+    """Install an exception handler that formats tracebacks as HTML.
+
+    The optional argument 'display' can be set to 0 to suppress sending the
+    traceback to the browser, and 'logdir' can be set to a directory to cause
+    tracebacks to be written to files there."""
+    sys.excepthook = Hook(display=display, logdir=logdir,
+                          context=context, format=format)

my_container_sandbox/workspace/anaconda3/lib/python3.8/code.py

@@ -0,0 +1,315 @@
+"""Utilities needed to emulate Python's interactive interpreter.
+
+"""
+
+# Inspired by similar code by Jeff Epler and Fredrik Lundh.
+
+
+import sys
+import traceback
+from codeop import CommandCompiler, compile_command
+
+__all__ = ["InteractiveInterpreter", "InteractiveConsole", "interact",
+           "compile_command"]
+
+class InteractiveInterpreter:
+    """Base class for InteractiveConsole.
+
+    This class deals with parsing and interpreter state (the user's
+    namespace); it doesn't deal with input buffering or prompting or
+    input file naming (the filename is always passed in explicitly).
+
+    """
+
+    def __init__(self, locals=None):
+        """Constructor.
+
+        The optional 'locals' argument specifies the dictionary in
+        which code will be executed; it defaults to a newly created
+        dictionary with key "__name__" set to "__console__" and key
+        "__doc__" set to None.
+
+        """
+        if locals is None:
+            locals = {"__name__": "__console__", "__doc__": None}
+        self.locals = locals
+        self.compile = CommandCompiler()
+
+    def runsource(self, source, filename="<input>", symbol="single"):
+        """Compile and run some source in the interpreter.
+
+        Arguments are as for compile_command().
+
+        One of several things can happen:
+
+        1) The input is incorrect; compile_command() raised an
+        exception (SyntaxError or OverflowError).  A syntax traceback
+        will be printed by calling the showsyntaxerror() method.
+
+        2) The input is incomplete, and more input is required;
+        compile_command() returned None.  Nothing happens.
+
+        3) The input is complete; compile_command() returned a code
+        object.  The code is executed by calling self.runcode() (which
+        also handles run-time exceptions, except for SystemExit).
+
+        The return value is True in case 2, False in the other cases (unless
+        an exception is raised).  The return value can be used to
+        decide whether to use sys.ps1 or sys.ps2 to prompt the next
+        line.
+
+        """
+        try:
+            code = self.compile(source, filename, symbol)
+        except (OverflowError, SyntaxError, ValueError):
+            # Case 1
+            self.showsyntaxerror(filename)
+            return False
+
+        if code is None:
+            # Case 2
+            return True
+
+        # Case 3
+        self.runcode(code)
+        return False
+
+    def runcode(self, code):
+        """Execute a code object.
+
+        When an exception occurs, self.showtraceback() is called to
+        display a traceback.  All exceptions are caught except
+        SystemExit, which is reraised.
+
+        A note about KeyboardInterrupt: this exception may occur
+        elsewhere in this code, and may not always be caught.  The
+        caller should be prepared to deal with it.
+
+        """
+        try:
+            exec(code, self.locals)
+        except SystemExit:
+            raise
+        except:
+            self.showtraceback()
+
+    def showsyntaxerror(self, filename=None):
+        """Display the syntax error that just occurred.
+
+        This doesn't display a stack trace because there isn't one.
+
+        If a filename is given, it is stuffed in the exception instead
+        of what was there before (because Python's parser always uses
+        "<string>" when reading from a string).
+
+        The output is written by self.write(), below.
+
+        """
+        type, value, tb = sys.exc_info()
+        sys.last_type = type
+        sys.last_value = value
+        sys.last_traceback = tb
+        if filename and type is SyntaxError:
+            # Work hard to stuff the correct filename in the exception
+            try:
+                msg, (dummy_filename, lineno, offset, line) = value.args
+            except ValueError:
+                # Not the format we expect; leave it alone
+                pass
+            else:
+                # Stuff in the right filename
+                value = SyntaxError(msg, (filename, lineno, offset, line))
+                sys.last_value = value
+        if sys.excepthook is sys.__excepthook__:
+            lines = traceback.format_exception_only(type, value)
+            self.write(''.join(lines))
+        else:
+            # If someone has set sys.excepthook, we let that take precedence
+            # over self.write
+            sys.excepthook(type, value, tb)
+
+    def showtraceback(self):
+        """Display the exception that just occurred.
+
+        We remove the first stack item because it is our own code.
+
+        The output is written by self.write(), below.
+
+        """
+        sys.last_type, sys.last_value, last_tb = ei = sys.exc_info()
+        sys.last_traceback = last_tb
+        try:
+            lines = traceback.format_exception(ei[0], ei[1], last_tb.tb_next)
+            if sys.excepthook is sys.__excepthook__:
+                self.write(''.join(lines))
+            else:
+                # If someone has set sys.excepthook, we let that take precedence
+                # over self.write
+                sys.excepthook(ei[0], ei[1], last_tb)
+        finally:
+            last_tb = ei = None
+
+    def write(self, data):
+        """Write a string.
+
+        The base implementation writes to sys.stderr; a subclass may
+        replace this with a different implementation.
+
+        """
+        sys.stderr.write(data)
+
+
+class InteractiveConsole(InteractiveInterpreter):
+    """Closely emulate the behavior of the interactive Python interpreter.
+
+    This class builds on InteractiveInterpreter and adds prompting
+    using the familiar sys.ps1 and sys.ps2, and input buffering.
+
+    """
+
+    def __init__(self, locals=None, filename="<console>"):
+        """Constructor.
+
+        The optional locals argument will be passed to the
+        InteractiveInterpreter base class.
+
+        The optional filename argument should specify the (file)name
+        of the input stream; it will show up in tracebacks.
+
+        """
+        InteractiveInterpreter.__init__(self, locals)
+        self.filename = filename
+        self.resetbuffer()
+
+    def resetbuffer(self):
+        """Reset the input buffer."""
+        self.buffer = []
+
+    def interact(self, banner=None, exitmsg=None):
+        """Closely emulate the interactive Python console.
+
+        The optional banner argument specifies the banner to print
+        before the first interaction; by default it prints a banner
+        similar to the one printed by the real Python interpreter,
+        followed by the current class name in parentheses (so as not
+        to confuse this with the real interpreter -- since it's so
+        close!).
+
+        The optional exitmsg argument specifies the exit message
+        printed when exiting. Pass the empty string to suppress
+        printing an exit message. If exitmsg is not given or None,
+        a default message is printed.
+
+        """
+        try:
+            sys.ps1
+        except AttributeError:
+            sys.ps1 = ">>> "
+        try:
+            sys.ps2
+        except AttributeError:
+            sys.ps2 = "... "
+        cprt = 'Type "help", "copyright", "credits" or "license" for more information.'
+        if banner is None:
+            self.write("Python %s on %s\n%s\n(%s)\n" %
+                       (sys.version, sys.platform, cprt,
+                        self.__class__.__name__))
+        elif banner:
+            self.write("%s\n" % str(banner))
+        more = 0
+        while 1:
+            try:
+                if more:
+                    prompt = sys.ps2
+                else:
+                    prompt = sys.ps1
+                try:
+                    line = self.raw_input(prompt)
+                except EOFError:
+                    self.write("\n")
+                    break
+                else:
+                    more = self.push(line)
+            except KeyboardInterrupt:
+                self.write("\nKeyboardInterrupt\n")
+                self.resetbuffer()
+                more = 0
+        if exitmsg is None:
+            self.write('now exiting %s...\n' % self.__class__.__name__)
+        elif exitmsg != '':
+            self.write('%s\n' % exitmsg)
+
+    def push(self, line):
+        """Push a line to the interpreter.
+
+        The line should not have a trailing newline; it may have
+        internal newlines.  The line is appended to a buffer and the
+        interpreter's runsource() method is called with the
+        concatenated contents of the buffer as source.  If this
+        indicates that the command was executed or invalid, the buffer
+        is reset; otherwise, the command is incomplete, and the buffer
+        is left as it was after the line was appended.  The return
+        value is 1 if more input is required, 0 if the line was dealt
+        with in some way (this is the same as runsource()).
+
+        """
+        self.buffer.append(line)
+        source = "\n".join(self.buffer)
+        more = self.runsource(source, self.filename)
+        if not more:
+            self.resetbuffer()
+        return more
+
+    def raw_input(self, prompt=""):
+        """Write a prompt and read a line.
+
+        The returned line does not include the trailing newline.
+        When the user enters the EOF key sequence, EOFError is raised.
+
+        The base implementation uses the built-in function
+        input(); a subclass may replace this with a different
+        implementation.
+
+        """
+        return input(prompt)
+
+
+
+def interact(banner=None, readfunc=None, local=None, exitmsg=None):
+    """Closely emulate the interactive Python interpreter.
+
+    This is a backwards compatible interface to the InteractiveConsole
+    class.  When readfunc is not specified, it attempts to import the
+    readline module to enable GNU readline if it is available.
+
+    Arguments (all optional, all default to None):
+
+    banner -- passed to InteractiveConsole.interact()
+    readfunc -- if not None, replaces InteractiveConsole.raw_input()
+    local -- passed to InteractiveInterpreter.__init__()
+    exitmsg -- passed to InteractiveConsole.interact()
+
+    """
+    console = InteractiveConsole(local)
+    if readfunc is not None:
+        console.raw_input = readfunc
+    else:
+        try:
+            import readline
+        except ImportError:
+            pass
+    console.interact(banner, exitmsg)
+
+
+if __name__ == "__main__":
+    import argparse
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-q', action='store_true',
+                       help="don't print version and copyright messages")
+    args = parser.parse_args()
+    if args.q or sys.flags.quiet:
+        banner = ''
+    else:
+        banner = None
+    interact(banner)

my_container_sandbox/workspace/anaconda3/lib/python3.8/codecs.py

@@ -0,0 +1,1126 @@
+""" codecs -- Python Codec Registry, API and helpers.
+
+
+Written by Marc-Andre Lemburg (mal@lemburg.com).
+
+(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
+
+"""
+
+import builtins
+import sys
+
+### Registry and builtin stateless codec functions
+
+try:
+    from _codecs import *
+except ImportError as why:
+    raise SystemError('Failed to load the builtin codecs: %s' % why)
+
+__all__ = ["register", "lookup", "open", "EncodedFile", "BOM", "BOM_BE",
+           "BOM_LE", "BOM32_BE", "BOM32_LE", "BOM64_BE", "BOM64_LE",
+           "BOM_UTF8", "BOM_UTF16", "BOM_UTF16_LE", "BOM_UTF16_BE",
+           "BOM_UTF32", "BOM_UTF32_LE", "BOM_UTF32_BE",
+           "CodecInfo", "Codec", "IncrementalEncoder", "IncrementalDecoder",
+           "StreamReader", "StreamWriter",
+           "StreamReaderWriter", "StreamRecoder",
+           "getencoder", "getdecoder", "getincrementalencoder",
+           "getincrementaldecoder", "getreader", "getwriter",
+           "encode", "decode", "iterencode", "iterdecode",
+           "strict_errors", "ignore_errors", "replace_errors",
+           "xmlcharrefreplace_errors",
+           "backslashreplace_errors", "namereplace_errors",
+           "register_error", "lookup_error"]
+
+### Constants
+
+#
+# Byte Order Mark (BOM = ZERO WIDTH NO-BREAK SPACE = U+FEFF)
+# and its possible byte string values
+# for UTF8/UTF16/UTF32 output and little/big endian machines
+#
+
+# UTF-8
+BOM_UTF8 = b'\xef\xbb\xbf'
+
+# UTF-16, little endian
+BOM_LE = BOM_UTF16_LE = b'\xff\xfe'
+
+# UTF-16, big endian
+BOM_BE = BOM_UTF16_BE = b'\xfe\xff'
+
+# UTF-32, little endian
+BOM_UTF32_LE = b'\xff\xfe\x00\x00'
+
+# UTF-32, big endian
+BOM_UTF32_BE = b'\x00\x00\xfe\xff'
+
+if sys.byteorder == 'little':
+
+    # UTF-16, native endianness
+    BOM = BOM_UTF16 = BOM_UTF16_LE
+
+    # UTF-32, native endianness
+    BOM_UTF32 = BOM_UTF32_LE
+
+else:
+
+    # UTF-16, native endianness
+    BOM = BOM_UTF16 = BOM_UTF16_BE
+
+    # UTF-32, native endianness
+    BOM_UTF32 = BOM_UTF32_BE
+
+# Old broken names (don't use in new code)
+BOM32_LE = BOM_UTF16_LE
+BOM32_BE = BOM_UTF16_BE
+BOM64_LE = BOM_UTF32_LE
+BOM64_BE = BOM_UTF32_BE
+
+
+### Codec base classes (defining the API)
+
+class CodecInfo(tuple):
+    """Codec details when looking up the codec registry"""
+
+    # Private API to allow Python 3.4 to blacklist the known non-Unicode
+    # codecs in the standard library. A more general mechanism to
+    # reliably distinguish test encodings from other codecs will hopefully
+    # be defined for Python 3.5
+    #
+    # See http://bugs.python.org/issue19619
+    _is_text_encoding = True # Assume codecs are text encodings by default
+
+    def __new__(cls, encode, decode, streamreader=None, streamwriter=None,
+        incrementalencoder=None, incrementaldecoder=None, name=None,
+        *, _is_text_encoding=None):
+        self = tuple.__new__(cls, (encode, decode, streamreader, streamwriter))
+        self.name = name
+        self.encode = encode
+        self.decode = decode
+        self.incrementalencoder = incrementalencoder
+        self.incrementaldecoder = incrementaldecoder
+        self.streamwriter = streamwriter
+        self.streamreader = streamreader
+        if _is_text_encoding is not None:
+            self._is_text_encoding = _is_text_encoding
+        return self
+
+    def __repr__(self):
+        return "<%s.%s object for encoding %s at %#x>" % \
+                (self.__class__.__module__, self.__class__.__qualname__,
+                 self.name, id(self))
+
+class Codec:
+
+    """ Defines the interface for stateless encoders/decoders.
+
+        The .encode()/.decode() methods may use different error
+        handling schemes by providing the errors argument. These
+        string values are predefined:
+
+         'strict' - raise a ValueError error (or a subclass)
+         'ignore' - ignore the character and continue with the next
+         'replace' - replace with a suitable replacement character;
+                    Python will use the official U+FFFD REPLACEMENT
+                    CHARACTER for the builtin Unicode codecs on
+                    decoding and '?' on encoding.
+         'surrogateescape' - replace with private code points U+DCnn.
+         'xmlcharrefreplace' - Replace with the appropriate XML
+                               character reference (only for encoding).
+         'backslashreplace'  - Replace with backslashed escape sequences.
+         'namereplace'       - Replace with \\N{...} escape sequences
+                               (only for encoding).
+
+        The set of allowed values can be extended via register_error.
+
+    """
+    def encode(self, input, errors='strict'):
+
+        """ Encodes the object input and returns a tuple (output
+            object, length consumed).
+
+            errors defines the error handling to apply. It defaults to
+            'strict' handling.
+
+            The method may not store state in the Codec instance. Use
+            StreamWriter for codecs which have to keep state in order to
+            make encoding efficient.
+
+            The encoder must be able to handle zero length input and
+            return an empty object of the output object type in this
+            situation.
+
+        """
+        raise NotImplementedError
+
+    def decode(self, input, errors='strict'):
+
+        """ Decodes the object input and returns a tuple (output
+            object, length consumed).
+
+            input must be an object which provides the bf_getreadbuf
+            buffer slot. Python strings, buffer objects and memory
+            mapped files are examples of objects providing this slot.
+
+            errors defines the error handling to apply. It defaults to
+            'strict' handling.
+
+            The method may not store state in the Codec instance. Use
+            StreamReader for codecs which have to keep state in order to
+            make decoding efficient.
+
+            The decoder must be able to handle zero length input and
+            return an empty object of the output object type in this
+            situation.
+
+        """
+        raise NotImplementedError
+
+class IncrementalEncoder(object):
+    """
+    An IncrementalEncoder encodes an input in multiple steps. The input can
+    be passed piece by piece to the encode() method. The IncrementalEncoder
+    remembers the state of the encoding process between calls to encode().
+    """
+    def __init__(self, errors='strict'):
+        """
+        Creates an IncrementalEncoder instance.
+
+        The IncrementalEncoder may use different error handling schemes by
+        providing the errors keyword argument. See the module docstring
+        for a list of possible values.
+        """
+        self.errors = errors
+        self.buffer = ""
+
+    def encode(self, input, final=False):
+        """
+        Encodes input and returns the resulting object.
+        """
+        raise NotImplementedError
+
+    def reset(self):
+        """
+        Resets the encoder to the initial state.
+        """
+
+    def getstate(self):
+        """
+        Return the current state of the encoder.
+        """
+        return 0
+
+    def setstate(self, state):
+        """
+        Set the current state of the encoder. state must have been
+        returned by getstate().
+        """
+
+class BufferedIncrementalEncoder(IncrementalEncoder):
+    """
+    This subclass of IncrementalEncoder can be used as the baseclass for an
+    incremental encoder if the encoder must keep some of the output in a
+    buffer between calls to encode().
+    """
+    def __init__(self, errors='strict'):
+        IncrementalEncoder.__init__(self, errors)
+        # unencoded input that is kept between calls to encode()
+        self.buffer = ""
+
+    def _buffer_encode(self, input, errors, final):
+        # Overwrite this method in subclasses: It must encode input
+        # and return an (output, length consumed) tuple
+        raise NotImplementedError
+
+    def encode(self, input, final=False):
+        # encode input (taking the buffer into account)
+        data = self.buffer + input
+        (result, consumed) = self._buffer_encode(data, self.errors, final)
+        # keep unencoded input until the next call
+        self.buffer = data[consumed:]
+        return result
+
+    def reset(self):
+        IncrementalEncoder.reset(self)
+        self.buffer = ""
+
+    def getstate(self):
+        return self.buffer or 0
+
+    def setstate(self, state):
+        self.buffer = state or ""
+
+class IncrementalDecoder(object):
+    """
+    An IncrementalDecoder decodes an input in multiple steps. The input can
+    be passed piece by piece to the decode() method. The IncrementalDecoder
+    remembers the state of the decoding process between calls to decode().
+    """
+    def __init__(self, errors='strict'):
+        """
+        Create an IncrementalDecoder instance.
+
+        The IncrementalDecoder may use different error handling schemes by
+        providing the errors keyword argument. See the module docstring
+        for a list of possible values.
+        """
+        self.errors = errors
+
+    def decode(self, input, final=False):
+        """
+        Decode input and returns the resulting object.
+        """
+        raise NotImplementedError
+
+    def reset(self):
+        """
+        Reset the decoder to the initial state.
+        """
+
+    def getstate(self):
+        """
+        Return the current state of the decoder.
+
+        This must be a (buffered_input, additional_state_info) tuple.
+        buffered_input must be a bytes object containing bytes that
+        were passed to decode() that have not yet been converted.
+        additional_state_info must be a non-negative integer
+        representing the state of the decoder WITHOUT yet having
+        processed the contents of buffered_input.  In the initial state
+        and after reset(), getstate() must return (b"", 0).
+        """
+        return (b"", 0)
+
+    def setstate(self, state):
+        """
+        Set the current state of the decoder.
+
+        state must have been returned by getstate().  The effect of
+        setstate((b"", 0)) must be equivalent to reset().
+        """
+
+class BufferedIncrementalDecoder(IncrementalDecoder):
+    """
+    This subclass of IncrementalDecoder can be used as the baseclass for an
+    incremental decoder if the decoder must be able to handle incomplete
+    byte sequences.
+    """
+    def __init__(self, errors='strict'):
+        IncrementalDecoder.__init__(self, errors)
+        # undecoded input that is kept between calls to decode()
+        self.buffer = b""
+
+    def _buffer_decode(self, input, errors, final):
+        # Overwrite this method in subclasses: It must decode input
+        # and return an (output, length consumed) tuple
+        raise NotImplementedError
+
+    def decode(self, input, final=False):
+        # decode input (taking the buffer into account)
+        data = self.buffer + input
+        (result, consumed) = self._buffer_decode(data, self.errors, final)
+        # keep undecoded input until the next call
+        self.buffer = data[consumed:]
+        return result
+
+    def reset(self):
+        IncrementalDecoder.reset(self)
+        self.buffer = b""
+
+    def getstate(self):
+        # additional state info is always 0
+        return (self.buffer, 0)
+
+    def setstate(self, state):
+        # ignore additional state info
+        self.buffer = state[0]
+
+#
+# The StreamWriter and StreamReader class provide generic working
+# interfaces which can be used to implement new encoding submodules
+# very easily. See encodings/utf_8.py for an example on how this is
+# done.
+#
+
+class StreamWriter(Codec):
+
+    def __init__(self, stream, errors='strict'):
+
+        """ Creates a StreamWriter instance.
+
+            stream must be a file-like object open for writing.
+
+            The StreamWriter may use different error handling
+            schemes by providing the errors keyword argument. These
+            parameters are predefined:
+
+             'strict' - raise a ValueError (or a subclass)
+             'ignore' - ignore the character and continue with the next
+             'replace'- replace with a suitable replacement character
+             'xmlcharrefreplace' - Replace with the appropriate XML
+                                   character reference.
+             'backslashreplace'  - Replace with backslashed escape
+                                   sequences.
+             'namereplace'       - Replace with \\N{...} escape sequences.
+
+            The set of allowed parameter values can be extended via
+            register_error.
+        """
+        self.stream = stream
+        self.errors = errors
+
+    def write(self, object):
+
+        """ Writes the object's contents encoded to self.stream.
+        """
+        data, consumed = self.encode(object, self.errors)
+        self.stream.write(data)
+
+    def writelines(self, list):
+
+        """ Writes the concatenated list of strings to the stream
+            using .write().
+        """
+        self.write(''.join(list))
+
+    def reset(self):
+
+        """ Flushes and resets the codec buffers used for keeping state.
+
+            Calling this method should ensure that the data on the
+            output is put into a clean state, that allows appending
+            of new fresh data without having to rescan the whole
+            stream to recover state.
+
+        """
+        pass
+
+    def seek(self, offset, whence=0):
+        self.stream.seek(offset, whence)
+        if whence == 0 and offset == 0:
+            self.reset()
+
+    def __getattr__(self, name,
+                    getattr=getattr):
+
+        """ Inherit all other methods from the underlying stream.
+        """
+        return getattr(self.stream, name)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, tb):
+        self.stream.close()
+
+###
+
+class StreamReader(Codec):
+
+    charbuffertype = str
+
+    def __init__(self, stream, errors='strict'):
+
+        """ Creates a StreamReader instance.
+
+            stream must be a file-like object open for reading.
+
+            The StreamReader may use different error handling
+            schemes by providing the errors keyword argument. These
+            parameters are predefined:
+
+             'strict' - raise a ValueError (or a subclass)
+             'ignore' - ignore the character and continue with the next
+             'replace'- replace with a suitable replacement character
+             'backslashreplace' - Replace with backslashed escape sequences;
+
+            The set of allowed parameter values can be extended via
+            register_error.
+        """
+        self.stream = stream
+        self.errors = errors
+        self.bytebuffer = b""
+        self._empty_charbuffer = self.charbuffertype()
+        self.charbuffer = self._empty_charbuffer
+        self.linebuffer = None
+
+    def decode(self, input, errors='strict'):
+        raise NotImplementedError
+
+    def read(self, size=-1, chars=-1, firstline=False):
+
+        """ Decodes data from the stream self.stream and returns the
+            resulting object.
+
+            chars indicates the number of decoded code points or bytes to
+            return. read() will never return more data than requested,
+            but it might return less, if there is not enough available.
+
+            size indicates the approximate maximum number of decoded
+            bytes or code points to read for decoding. The decoder
+            can modify this setting as appropriate. The default value
+            -1 indicates to read and decode as much as possible.  size
+            is intended to prevent having to decode huge files in one
+            step.
+
+            If firstline is true, and a UnicodeDecodeError happens
+            after the first line terminator in the input only the first line
+            will be returned, the rest of the input will be kept until the
+            next call to read().
+
+            The method should use a greedy read strategy, meaning that
+            it should read as much data as is allowed within the
+            definition of the encoding and the given size, e.g.  if
+            optional encoding endings or state markers are available
+            on the stream, these should be read too.
+        """
+        # If we have lines cached, first merge them back into characters
+        if self.linebuffer:
+            self.charbuffer = self._empty_charbuffer.join(self.linebuffer)
+            self.linebuffer = None
+
+        if chars < 0:
+            # For compatibility with other read() methods that take a
+            # single argument
+            chars = size
+
+        # read until we get the required number of characters (if available)
+        while True:
+            # can the request be satisfied from the character buffer?
+            if chars >= 0:
+                if len(self.charbuffer) >= chars:
+                    break
+            # we need more data
+            if size < 0:
+                newdata = self.stream.read()
+            else:
+                newdata = self.stream.read(size)
+            # decode bytes (those remaining from the last call included)
+            data = self.bytebuffer + newdata
+            if not data:
+                break
+            try:
+                newchars, decodedbytes = self.decode(data, self.errors)
+            except UnicodeDecodeError as exc:
+                if firstline:
+                    newchars, decodedbytes = \
+                        self.decode(data[:exc.start], self.errors)
+                    lines = newchars.splitlines(keepends=True)
+                    if len(lines)<=1:
+                        raise
+                else:
+                    raise
+            # keep undecoded bytes until the next call
+            self.bytebuffer = data[decodedbytes:]
+            # put new characters in the character buffer
+            self.charbuffer += newchars
+            # there was no data available
+            if not newdata:
+                break
+        if chars < 0:
+            # Return everything we've got
+            result = self.charbuffer
+            self.charbuffer = self._empty_charbuffer
+        else:
+            # Return the first chars characters
+            result = self.charbuffer[:chars]
+            self.charbuffer = self.charbuffer[chars:]
+        return result
+
+    def readline(self, size=None, keepends=True):
+
+        """ Read one line from the input stream and return the
+            decoded data.
+
+            size, if given, is passed as size argument to the
+            read() method.
+
+        """
+        # If we have lines cached from an earlier read, return
+        # them unconditionally
+        if self.linebuffer:
+            line = self.linebuffer[0]
+            del self.linebuffer[0]
+            if len(self.linebuffer) == 1:
+                # revert to charbuffer mode; we might need more data
+                # next time
+                self.charbuffer = self.linebuffer[0]
+                self.linebuffer = None
+            if not keepends:
+                line = line.splitlines(keepends=False)[0]
+            return line
+
+        readsize = size or 72
+        line = self._empty_charbuffer
+        # If size is given, we call read() only once
+        while True:
+            data = self.read(readsize, firstline=True)
+            if data:
+                # If we're at a "\r" read one extra character (which might
+                # be a "\n") to get a proper line ending. If the stream is
+                # temporarily exhausted we return the wrong line ending.
+                if (isinstance(data, str) and data.endswith("\r")) or \
+                   (isinstance(data, bytes) and data.endswith(b"\r")):
+                    data += self.read(size=1, chars=1)
+
+            line += data
+            lines = line.splitlines(keepends=True)
+            if lines:
+                if len(lines) > 1:
+                    # More than one line result; the first line is a full line
+                    # to return
+                    line = lines[0]
+                    del lines[0]
+                    if len(lines) > 1:
+                        # cache the remaining lines
+                        lines[-1] += self.charbuffer
+                        self.linebuffer = lines
+                        self.charbuffer = None
+                    else:
+                        # only one remaining line, put it back into charbuffer
+                        self.charbuffer = lines[0] + self.charbuffer
+                    if not keepends:
+                        line = line.splitlines(keepends=False)[0]
+                    break
+                line0withend = lines[0]
+                line0withoutend = lines[0].splitlines(keepends=False)[0]
+                if line0withend != line0withoutend: # We really have a line end
+                    # Put the rest back together and keep it until the next call
+                    self.charbuffer = self._empty_charbuffer.join(lines[1:]) + \
+                                      self.charbuffer
+                    if keepends:
+                        line = line0withend
+                    else:
+                        line = line0withoutend
+                    break
+            # we didn't get anything or this was our only try
+            if not data or size is not None:
+                if line and not keepends:
+                    line = line.splitlines(keepends=False)[0]
+                break
+            if readsize < 8000:
+                readsize *= 2
+        return line
+
+    def readlines(self, sizehint=None, keepends=True):
+
+        """ Read all lines available on the input stream
+            and return them as a list.
+
+            Line breaks are implemented using the codec's decoder
+            method and are included in the list entries.
+
+            sizehint, if given, is ignored since there is no efficient
+            way to finding the true end-of-line.
+
+        """
+        data = self.read()
+        return data.splitlines(keepends)
+
+    def reset(self):
+
+        """ Resets the codec buffers used for keeping state.
+
+            Note that no stream repositioning should take place.
+            This method is primarily intended to be able to recover
+            from decoding errors.
+
+        """
+        self.bytebuffer = b""
+        self.charbuffer = self._empty_charbuffer
+        self.linebuffer = None
+
+    def seek(self, offset, whence=0):
+        """ Set the input stream's current position.
+
+            Resets the codec buffers used for keeping state.
+        """
+        self.stream.seek(offset, whence)
+        self.reset()
+
+    def __next__(self):
+
+        """ Return the next decoded line from the input stream."""
+        line = self.readline()
+        if line:
+            return line
+        raise StopIteration
+
+    def __iter__(self):
+        return self
+
+    def __getattr__(self, name,
+                    getattr=getattr):
+
+        """ Inherit all other methods from the underlying stream.
+        """
+        return getattr(self.stream, name)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, tb):
+        self.stream.close()
+
+###
+
+class StreamReaderWriter:
+
+    """ StreamReaderWriter instances allow wrapping streams which
+        work in both read and write modes.
+
+        The design is such that one can use the factory functions
+        returned by the codec.lookup() function to construct the
+        instance.
+
+    """
+    # Optional attributes set by the file wrappers below
+    encoding = 'unknown'
+
+    def __init__(self, stream, Reader, Writer, errors='strict'):
+
+        """ Creates a StreamReaderWriter instance.
+
+            stream must be a Stream-like object.
+
+            Reader, Writer must be factory functions or classes
+            providing the StreamReader, StreamWriter interface resp.
+
+            Error handling is done in the same way as defined for the
+            StreamWriter/Readers.
+
+        """
+        self.stream = stream
+        self.reader = Reader(stream, errors)
+        self.writer = Writer(stream, errors)
+        self.errors = errors
+
+    def read(self, size=-1):
+
+        return self.reader.read(size)
+
+    def readline(self, size=None):
+
+        return self.reader.readline(size)
+
+    def readlines(self, sizehint=None):
+
+        return self.reader.readlines(sizehint)
+
+    def __next__(self):
+
+        """ Return the next decoded line from the input stream."""
+        return next(self.reader)
+
+    def __iter__(self):
+        return self
+
+    def write(self, data):
+
+        return self.writer.write(data)
+
+    def writelines(self, list):
+
+        return self.writer.writelines(list)
+
+    def reset(self):
+
+        self.reader.reset()
+        self.writer.reset()
+
+    def seek(self, offset, whence=0):
+        self.stream.seek(offset, whence)
+        self.reader.reset()
+        if whence == 0 and offset == 0:
+            self.writer.reset()
+
+    def __getattr__(self, name,
+                    getattr=getattr):
+
+        """ Inherit all other methods from the underlying stream.
+        """
+        return getattr(self.stream, name)
+
+    # these are needed to make "with StreamReaderWriter(...)" work properly
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, tb):
+        self.stream.close()
+
+###
+
+class StreamRecoder:
+
+    """ StreamRecoder instances translate data from one encoding to another.
+
+        They use the complete set of APIs returned by the
+        codecs.lookup() function to implement their task.
+
+        Data written to the StreamRecoder is first decoded into an
+        intermediate format (depending on the "decode" codec) and then
+        written to the underlying stream using an instance of the provided
+        Writer class.
+
+        In the other direction, data is read from the underlying stream using
+        a Reader instance and then encoded and returned to the caller.
+
+    """
+    # Optional attributes set by the file wrappers below
+    data_encoding = 'unknown'
+    file_encoding = 'unknown'
+
+    def __init__(self, stream, encode, decode, Reader, Writer,
+                 errors='strict'):
+
+        """ Creates a StreamRecoder instance which implements a two-way
+            conversion: encode and decode work on the frontend (the
+            data visible to .read() and .write()) while Reader and Writer
+            work on the backend (the data in stream).
+
+            You can use these objects to do transparent
+            transcodings from e.g. latin-1 to utf-8 and back.
+
+            stream must be a file-like object.
+
+            encode and decode must adhere to the Codec interface; Reader and
+            Writer must be factory functions or classes providing the
+            StreamReader and StreamWriter interfaces resp.
+
+            Error handling is done in the same way as defined for the
+            StreamWriter/Readers.
+
+        """
+        self.stream = stream
+        self.encode = encode
+        self.decode = decode
+        self.reader = Reader(stream, errors)
+        self.writer = Writer(stream, errors)
+        self.errors = errors
+
+    def read(self, size=-1):
+
+        data = self.reader.read(size)
+        data, bytesencoded = self.encode(data, self.errors)
+        return data
+
+    def readline(self, size=None):
+
+        if size is None:
+            data = self.reader.readline()
+        else:
+            data = self.reader.readline(size)
+        data, bytesencoded = self.encode(data, self.errors)
+        return data
+
+    def readlines(self, sizehint=None):
+
+        data = self.reader.read()
+        data, bytesencoded = self.encode(data, self.errors)
+        return data.splitlines(keepends=True)
+
+    def __next__(self):
+
+        """ Return the next decoded line from the input stream."""
+        data = next(self.reader)
+        data, bytesencoded = self.encode(data, self.errors)
+        return data
+
+    def __iter__(self):
+        return self
+
+    def write(self, data):
+
+        data, bytesdecoded = self.decode(data, self.errors)
+        return self.writer.write(data)
+
+    def writelines(self, list):
+
+        data = b''.join(list)
+        data, bytesdecoded = self.decode(data, self.errors)
+        return self.writer.write(data)
+
+    def reset(self):
+
+        self.reader.reset()
+        self.writer.reset()
+
+    def seek(self, offset, whence=0):
+        # Seeks must be propagated to both the readers and writers
+        # as they might need to reset their internal buffers.
+        self.reader.seek(offset, whence)
+        self.writer.seek(offset, whence)
+
+    def __getattr__(self, name,
+                    getattr=getattr):
+
+        """ Inherit all other methods from the underlying stream.
+        """
+        return getattr(self.stream, name)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, tb):
+        self.stream.close()
+
+### Shortcuts
+
+def open(filename, mode='r', encoding=None, errors='strict', buffering=-1):
+
+    """ Open an encoded file using the given mode and return
+        a wrapped version providing transparent encoding/decoding.
+
+        Note: The wrapped version will only accept the object format
+        defined by the codecs, i.e. Unicode objects for most builtin
+        codecs. Output is also codec dependent and will usually be
+        Unicode as well.
+
+        Underlying encoded files are always opened in binary mode.
+        The default file mode is 'r', meaning to open the file in read mode.
+
+        encoding specifies the encoding which is to be used for the
+        file.
+
+        errors may be given to define the error handling. It defaults
+        to 'strict' which causes ValueErrors to be raised in case an
+        encoding error occurs.
+
+        buffering has the same meaning as for the builtin open() API.
+        It defaults to -1 which means that the default buffer size will
+        be used.
+
+        The returned wrapped file object provides an extra attribute
+        .encoding which allows querying the used encoding. This
+        attribute is only available if an encoding was specified as
+        parameter.
+
+    """
+    if encoding is not None and \
+       'b' not in mode:
+        # Force opening of the file in binary mode
+        mode = mode + 'b'
+    file = builtins.open(filename, mode, buffering)
+    if encoding is None:
+        return file
+
+    try:
+        info = lookup(encoding)
+        srw = StreamReaderWriter(file, info.streamreader, info.streamwriter, errors)
+        # Add attributes to simplify introspection
+        srw.encoding = encoding
+        return srw
+    except:
+        file.close()
+        raise
+
+def EncodedFile(file, data_encoding, file_encoding=None, errors='strict'):
+
+    """ Return a wrapped version of file which provides transparent
+        encoding translation.
+
+        Data written to the wrapped file is decoded according
+        to the given data_encoding and then encoded to the underlying
+        file using file_encoding. The intermediate data type
+        will usually be Unicode but depends on the specified codecs.
+
+        Bytes read from the file are decoded using file_encoding and then
+        passed back to the caller encoded using data_encoding.
+
+        If file_encoding is not given, it defaults to data_encoding.
+
+        errors may be given to define the error handling. It defaults
+        to 'strict' which causes ValueErrors to be raised in case an
+        encoding error occurs.
+
+        The returned wrapped file object provides two extra attributes
+        .data_encoding and .file_encoding which reflect the given
+        parameters of the same name. The attributes can be used for
+        introspection by Python programs.
+
+    """
+    if file_encoding is None:
+        file_encoding = data_encoding
+    data_info = lookup(data_encoding)
+    file_info = lookup(file_encoding)
+    sr = StreamRecoder(file, data_info.encode, data_info.decode,
+                       file_info.streamreader, file_info.streamwriter, errors)
+    # Add attributes to simplify introspection
+    sr.data_encoding = data_encoding
+    sr.file_encoding = file_encoding
+    return sr
+
+### Helpers for codec lookup
+
+def getencoder(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its encoder function.
+
+        Raises a LookupError in case the encoding cannot be found.
+
+    """
+    return lookup(encoding).encode
+
+def getdecoder(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its decoder function.
+
+        Raises a LookupError in case the encoding cannot be found.
+
+    """
+    return lookup(encoding).decode
+
+def getincrementalencoder(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its IncrementalEncoder class or factory function.
+
+        Raises a LookupError in case the encoding cannot be found
+        or the codecs doesn't provide an incremental encoder.
+
+    """
+    encoder = lookup(encoding).incrementalencoder
+    if encoder is None:
+        raise LookupError(encoding)
+    return encoder
+
+def getincrementaldecoder(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its IncrementalDecoder class or factory function.
+
+        Raises a LookupError in case the encoding cannot be found
+        or the codecs doesn't provide an incremental decoder.
+
+    """
+    decoder = lookup(encoding).incrementaldecoder
+    if decoder is None:
+        raise LookupError(encoding)
+    return decoder
+
+def getreader(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its StreamReader class or factory function.
+
+        Raises a LookupError in case the encoding cannot be found.
+
+    """
+    return lookup(encoding).streamreader
+
+def getwriter(encoding):
+
+    """ Lookup up the codec for the given encoding and return
+        its StreamWriter class or factory function.
+
+        Raises a LookupError in case the encoding cannot be found.
+
+    """
+    return lookup(encoding).streamwriter
+
+def iterencode(iterator, encoding, errors='strict', **kwargs):
+    """
+    Encoding iterator.
+
+    Encodes the input strings from the iterator using an IncrementalEncoder.
+
+    errors and kwargs are passed through to the IncrementalEncoder
+    constructor.
+    """
+    encoder = getincrementalencoder(encoding)(errors, **kwargs)
+    for input in iterator:
+        output = encoder.encode(input)
+        if output:
+            yield output
+    output = encoder.encode("", True)
+    if output:
+        yield output
+
+def iterdecode(iterator, encoding, errors='strict', **kwargs):
+    """
+    Decoding iterator.
+
+    Decodes the input strings from the iterator using an IncrementalDecoder.
+
+    errors and kwargs are passed through to the IncrementalDecoder
+    constructor.
+    """
+    decoder = getincrementaldecoder(encoding)(errors, **kwargs)
+    for input in iterator:
+        output = decoder.decode(input)
+        if output:
+            yield output
+    output = decoder.decode(b"", True)
+    if output:
+        yield output
+
+### Helpers for charmap-based codecs
+
+def make_identity_dict(rng):
+
+    """ make_identity_dict(rng) -> dict
+
+        Return a dictionary where elements of the rng sequence are
+        mapped to themselves.
+
+    """
+    return {i:i for i in rng}
+
+def make_encoding_map(decoding_map):
+
+    """ Creates an encoding map from a decoding map.
+
+        If a target mapping in the decoding map occurs multiple
+        times, then that target is mapped to None (undefined mapping),
+        causing an exception when encountered by the charmap codec
+        during translation.
+
+        One example where this happens is cp875.py which decodes
+        multiple character to \\u001a.
+
+    """
+    m = {}
+    for k,v in decoding_map.items():
+        if not v in m:
+            m[v] = k
+        else:
+            m[v] = None
+    return m
+
+### error handlers
+
+try:
+    strict_errors = lookup_error("strict")
+    ignore_errors = lookup_error("ignore")
+    replace_errors = lookup_error("replace")
+    xmlcharrefreplace_errors = lookup_error("xmlcharrefreplace")
+    backslashreplace_errors = lookup_error("backslashreplace")
+    namereplace_errors = lookup_error("namereplace")
+except LookupError:
+    # In --disable-unicode builds, these error handler are missing
+    strict_errors = None
+    ignore_errors = None
+    replace_errors = None
+    xmlcharrefreplace_errors = None
+    backslashreplace_errors = None
+    namereplace_errors = None
+
+# Tell modulefinder that using codecs probably needs the encodings
+# package
+_false = 0
+if _false:
+    import encodings
+
+### Tests
+
+if __name__ == '__main__':
+
+    # Make stdout translate Latin-1 output into UTF-8 output
+    sys.stdout = EncodedFile(sys.stdout, 'latin-1', 'utf-8')
+
+    # Have stdin translate Latin-1 input into UTF-8 input
+    sys.stdin = EncodedFile(sys.stdin, 'utf-8', 'latin-1')

my_container_sandbox/workspace/anaconda3/lib/python3.8/codeop.py

@@ -0,0 +1,178 @@
+r"""Utilities to compile possibly incomplete Python source code.
+
+This module provides two interfaces, broadly similar to the builtin
+function compile(), which take program text, a filename and a 'mode'
+and:
+
+- Return code object if the command is complete and valid
+- Return None if the command is incomplete
+- Raise SyntaxError, ValueError or OverflowError if the command is a
+  syntax error (OverflowError and ValueError can be produced by
+  malformed literals).
+
+Approach:
+
+First, check if the source consists entirely of blank lines and
+comments; if so, replace it with 'pass', because the built-in
+parser doesn't always do the right thing for these.
+
+Compile three times: as is, with \n, and with \n\n appended.  If it
+compiles as is, it's complete.  If it compiles with one \n appended,
+we expect more.  If it doesn't compile either way, we compare the
+error we get when compiling with \n or \n\n appended.  If the errors
+are the same, the code is broken.  But if the errors are different, we
+expect more.  Not intuitive; not even guaranteed to hold in future
+releases; but this matches the compiler's behavior from Python 1.4
+through 2.2, at least.
+
+Caveat:
+
+It is possible (but not likely) that the parser stops parsing with a
+successful outcome before reaching the end of the source; in this
+case, trailing symbols may be ignored instead of causing an error.
+For example, a backslash followed by two newlines may be followed by
+arbitrary garbage.  This will be fixed once the API for the parser is
+better.
+
+The two interfaces are:
+
+compile_command(source, filename, symbol):
+
+    Compiles a single command in the manner described above.
+
+CommandCompiler():
+
+    Instances of this class have __call__ methods identical in
+    signature to compile_command; the difference is that if the
+    instance compiles program text containing a __future__ statement,
+    the instance 'remembers' and compiles all subsequent program texts
+    with the statement in force.
+
+The module also provides another class:
+
+Compile():
+
+    Instances of this class act like the built-in function compile,
+    but with 'memory' in the sense described above.
+"""
+
+import __future__
+import warnings
+
+_features = [getattr(__future__, fname)
+             for fname in __future__.all_feature_names]
+
+__all__ = ["compile_command", "Compile", "CommandCompiler"]
+
+PyCF_DONT_IMPLY_DEDENT = 0x200          # Matches pythonrun.h
+
+def _maybe_compile(compiler, source, filename, symbol):
+    # Check for source consisting of only blank lines and comments
+    for line in source.split("\n"):
+        line = line.strip()
+        if line and line[0] != '#':
+            break               # Leave it alone
+    else:
+        if symbol != "eval":
+            source = "pass"     # Replace it with a 'pass' statement
+
+    err = err1 = err2 = None
+    code = code1 = code2 = None
+
+    try:
+        code = compiler(source, filename, symbol)
+    except SyntaxError as err:
+        pass
+
+    # Catch syntax warnings after the first compile
+    # to emit warnings (SyntaxWarning, DeprecationWarning) at most once.
+    with warnings.catch_warnings():
+        warnings.simplefilter("error")
+
+        try:
+            code1 = compiler(source + "\n", filename, symbol)
+        except SyntaxError as e:
+            err1 = e
+
+        try:
+            code2 = compiler(source + "\n\n", filename, symbol)
+        except SyntaxError as e:
+            err2 = e
+
+    try:
+        if code:
+            return code
+        if not code1 and repr(err1) == repr(err2):
+            raise err1
+    finally:
+        err1 = err2 = None
+
+def _compile(source, filename, symbol):
+    return compile(source, filename, symbol, PyCF_DONT_IMPLY_DEDENT)
+
+def compile_command(source, filename="<input>", symbol="single"):
+    r"""Compile a command and determine whether it is incomplete.
+
+    Arguments:
+
+    source -- the source string; may contain \n characters
+    filename -- optional filename from which source was read; default
+                "<input>"
+    symbol -- optional grammar start symbol; "single" (default), "exec"
+              or "eval"
+
+    Return value / exceptions raised:
+
+    - Return a code object if the command is complete and valid
+    - Return None if the command is incomplete
+    - Raise SyntaxError, ValueError or OverflowError if the command is a
+      syntax error (OverflowError and ValueError can be produced by
+      malformed literals).
+    """
+    return _maybe_compile(_compile, source, filename, symbol)
+
+class Compile:
+    """Instances of this class behave much like the built-in compile
+    function, but if one is used to compile text containing a future
+    statement, it "remembers" and compiles all subsequent program texts
+    with the statement in force."""
+    def __init__(self):
+        self.flags = PyCF_DONT_IMPLY_DEDENT
+
+    def __call__(self, source, filename, symbol):
+        codeob = compile(source, filename, symbol, self.flags, 1)
+        for feature in _features:
+            if codeob.co_flags & feature.compiler_flag:
+                self.flags |= feature.compiler_flag
+        return codeob
+
+class CommandCompiler:
+    """Instances of this class have __call__ methods identical in
+    signature to compile_command; the difference is that if the
+    instance compiles program text containing a __future__ statement,
+    the instance 'remembers' and compiles all subsequent program texts
+    with the statement in force."""
+
+    def __init__(self,):
+        self.compiler = Compile()
+
+    def __call__(self, source, filename="<input>", symbol="single"):
+        r"""Compile a command and determine whether it is incomplete.
+
+        Arguments:
+
+        source -- the source string; may contain \n characters
+        filename -- optional filename from which source was read;
+                    default "<input>"
+        symbol -- optional grammar start symbol; "single" (default) or
+                  "eval"
+
+        Return value / exceptions raised:
+
+        - Return a code object if the command is complete and valid
+        - Return None if the command is incomplete
+        - Raise SyntaxError, ValueError or OverflowError if the command is a
+          syntax error (OverflowError and ValueError can be produced by
+          malformed literals).
+        """
+        return _maybe_compile(self.compiler, source, filename, symbol)

my_container_sandbox/workspace/anaconda3/lib/python3.8/crypt.py

@@ -0,0 +1,112 @@
+"""Wrapper to the POSIX crypt library call and associated functionality."""
+
+import sys as _sys
+
+try:
+    import _crypt
+except ModuleNotFoundError:
+    if _sys.platform == 'win32':
+        raise ImportError("The crypt module is not supported on Windows")
+    else:
+        raise ImportError("The required _crypt module was not built as part of CPython")
+
+import string as _string
+from random import SystemRandom as _SystemRandom
+from collections import namedtuple as _namedtuple
+
+
+_saltchars = _string.ascii_letters + _string.digits + './'
+_sr = _SystemRandom()
+
+
+class _Method(_namedtuple('_Method', 'name ident salt_chars total_size')):
+
+    """Class representing a salt method per the Modular Crypt Format or the
+    legacy 2-character crypt method."""
+
+    def __repr__(self):
+        return '<crypt.METHOD_{}>'.format(self.name)
+
+
+def mksalt(method=None, *, rounds=None):
+    """Generate a salt for the specified method.
+
+    If not specified, the strongest available method will be used.
+
+    """
+    if method is None:
+        method = methods[0]
+    if rounds is not None and not isinstance(rounds, int):
+        raise TypeError(f'{rounds.__class__.__name__} object cannot be '
+                        f'interpreted as an integer')
+    if not method.ident:  # traditional
+        s = ''
+    else:  # modular
+        s = f'${method.ident}$'
+
+    if method.ident and method.ident[0] == '2':  # Blowfish variants
+        if rounds is None:
+            log_rounds = 12
+        else:
+            log_rounds = int.bit_length(rounds-1)
+            if rounds != 1 << log_rounds:
+                raise ValueError('rounds must be a power of 2')
+            if not 4 <= log_rounds <= 31:
+                raise ValueError('rounds out of the range 2**4 to 2**31')
+        s += f'{log_rounds:02d}$'
+    elif method.ident in ('5', '6'):  # SHA-2
+        if rounds is not None:
+            if not 1000 <= rounds <= 999_999_999:
+                raise ValueError('rounds out of the range 1000 to 999_999_999')
+            s += f'rounds={rounds}$'
+    elif rounds is not None:
+        raise ValueError(f"{method} doesn't support the rounds argument")
+
+    s += ''.join(_sr.choice(_saltchars) for char in range(method.salt_chars))
+    return s
+
+
+def crypt(word, salt=None):
+    """Return a string representing the one-way hash of a password, with a salt
+    prepended.
+
+    If ``salt`` is not specified or is ``None``, the strongest
+    available method will be selected and a salt generated.  Otherwise,
+    ``salt`` may be one of the ``crypt.METHOD_*`` values, or a string as
+    returned by ``crypt.mksalt()``.
+
+    """
+    if salt is None or isinstance(salt, _Method):
+        salt = mksalt(salt)
+    return _crypt.crypt(word, salt)
+
+
+#  available salting/crypto methods
+methods = []
+
+def _add_method(name, *args, rounds=None):
+    method = _Method(name, *args)
+    globals()['METHOD_' + name] = method
+    salt = mksalt(method, rounds=rounds)
+    result = crypt('', salt)
+    if result and len(result) == method.total_size:
+        methods.append(method)
+        return True
+    return False
+
+_add_method('SHA512', '6', 16, 106)
+_add_method('SHA256', '5', 16, 63)
+
+# Choose the strongest supported version of Blowfish hashing.
+# Early versions have flaws.  Version 'a' fixes flaws of
+# the initial implementation, 'b' fixes flaws of 'a'.
+# 'y' is the same as 'b', for compatibility
+# with openwall crypt_blowfish.
+for _v in 'b', 'y', 'a', '':
+    if _add_method('BLOWFISH', '2' + _v, 22, 59 + len(_v), rounds=1<<4):
+        break
+
+_add_method('MD5', '1', 8, 34)
+_add_method('CRYPT', None, 2, 13)
+
+del _v, _add_method

my_container_sandbox/workspace/anaconda3/lib/python3.8/decimal.py

@@ -0,0 +1,11 @@
+
+try:
+    from _decimal import *
+    from _decimal import __doc__
+    from _decimal import __version__
+    from _decimal import __libmpdec_version__
+except ImportError:
+    from _pydecimal import *
+    from _pydecimal import __doc__
+    from _pydecimal import __version__
+    from _pydecimal import __libmpdec_version__

my_container_sandbox/workspace/anaconda3/lib/python3.8/dis.py

@@ -0,0 +1,553 @@
+"""Disassembler of Python byte code into mnemonics."""
+
+import sys
+import types
+import collections
+import io
+
+from opcode import *
+from opcode import __all__ as _opcodes_all
+
+__all__ = ["code_info", "dis", "disassemble", "distb", "disco",
+           "findlinestarts", "findlabels", "show_code",
+           "get_instructions", "Instruction", "Bytecode"] + _opcodes_all
+del _opcodes_all
+
+_have_code = (types.MethodType, types.FunctionType, types.CodeType,
+              classmethod, staticmethod, type)
+
+FORMAT_VALUE = opmap['FORMAT_VALUE']
+FORMAT_VALUE_CONVERTERS = (
+    (None, ''),
+    (str, 'str'),
+    (repr, 'repr'),
+    (ascii, 'ascii'),
+)
+MAKE_FUNCTION = opmap['MAKE_FUNCTION']
+MAKE_FUNCTION_FLAGS = ('defaults', 'kwdefaults', 'annotations', 'closure')
+
+
+def _try_compile(source, name):
+    """Attempts to compile the given source, first as an expression and
+       then as a statement if the first approach fails.
+
+       Utility function to accept strings in functions that otherwise
+       expect code objects
+    """
+    try:
+        c = compile(source, name, 'eval')
+    except SyntaxError:
+        c = compile(source, name, 'exec')
+    return c
+
+def dis(x=None, *, file=None, depth=None):
+    """Disassemble classes, methods, functions, and other compiled objects.
+
+    With no argument, disassemble the last traceback.
+
+    Compiled objects currently include generator objects, async generator
+    objects, and coroutine objects, all of which store their code object
+    in a special attribute.
+    """
+    if x is None:
+        distb(file=file)
+        return
+    # Extract functions from methods.
+    if hasattr(x, '__func__'):
+        x = x.__func__
+    # Extract compiled code objects from...
+    if hasattr(x, '__code__'):  # ...a function, or
+        x = x.__code__
+    elif hasattr(x, 'gi_code'):  #...a generator object, or
+        x = x.gi_code
+    elif hasattr(x, 'ag_code'):  #...an asynchronous generator object, or
+        x = x.ag_code
+    elif hasattr(x, 'cr_code'):  #...a coroutine.
+        x = x.cr_code
+    # Perform the disassembly.
+    if hasattr(x, '__dict__'):  # Class or module
+        items = sorted(x.__dict__.items())
+        for name, x1 in items:
+            if isinstance(x1, _have_code):
+                print("Disassembly of %s:" % name, file=file)
+                try:
+                    dis(x1, file=file, depth=depth)
+                except TypeError as msg:
+                    print("Sorry:", msg, file=file)
+                print(file=file)
+    elif hasattr(x, 'co_code'): # Code object
+        _disassemble_recursive(x, file=file, depth=depth)
+    elif isinstance(x, (bytes, bytearray)): # Raw bytecode
+        _disassemble_bytes(x, file=file)
+    elif isinstance(x, str):    # Source code
+        _disassemble_str(x, file=file, depth=depth)
+    else:
+        raise TypeError("don't know how to disassemble %s objects" %
+                        type(x).__name__)
+
+def distb(tb=None, *, file=None):
+    """Disassemble a traceback (default: last traceback)."""
+    if tb is None:
+        try:
+            tb = sys.last_traceback
+        except AttributeError:
+            raise RuntimeError("no last traceback to disassemble") from None
+        while tb.tb_next: tb = tb.tb_next
+    disassemble(tb.tb_frame.f_code, tb.tb_lasti, file=file)
+
+# The inspect module interrogates this dictionary to build its
+# list of CO_* constants. It is also used by pretty_flags to
+# turn the co_flags field into a human readable list.
+COMPILER_FLAG_NAMES = {
+     1: "OPTIMIZED",
+     2: "NEWLOCALS",
+     4: "VARARGS",
+     8: "VARKEYWORDS",
+    16: "NESTED",
+    32: "GENERATOR",
+    64: "NOFREE",
+   128: "COROUTINE",
+   256: "ITERABLE_COROUTINE",
+   512: "ASYNC_GENERATOR",
+}
+
+def pretty_flags(flags):
+    """Return pretty representation of code flags."""
+    names = []
+    for i in range(32):
+        flag = 1<<i
+        if flags & flag:
+            names.append(COMPILER_FLAG_NAMES.get(flag, hex(flag)))
+            flags ^= flag
+            if not flags:
+                break
+    else:
+        names.append(hex(flags))
+    return ", ".join(names)
+
+def _get_code_object(x):
+    """Helper to handle methods, compiled or raw code objects, and strings."""
+    # Extract functions from methods.
+    if hasattr(x, '__func__'):
+        x = x.__func__
+    # Extract compiled code objects from...
+    if hasattr(x, '__code__'):  # ...a function, or
+        x = x.__code__
+    elif hasattr(x, 'gi_code'):  #...a generator object, or
+        x = x.gi_code
+    elif hasattr(x, 'ag_code'):  #...an asynchronous generator object, or
+        x = x.ag_code
+    elif hasattr(x, 'cr_code'):  #...a coroutine.
+        x = x.cr_code
+    # Handle source code.
+    if isinstance(x, str):
+        x = _try_compile(x, "<disassembly>")
+    # By now, if we don't have a code object, we can't disassemble x.
+    if hasattr(x, 'co_code'):
+        return x
+    raise TypeError("don't know how to disassemble %s objects" %
+                    type(x).__name__)
+
+def code_info(x):
+    """Formatted details of methods, functions, or code."""
+    return _format_code_info(_get_code_object(x))
+
+def _format_code_info(co):
+    lines = []
+    lines.append("Name:              %s" % co.co_name)
+    lines.append("Filename:          %s" % co.co_filename)
+    lines.append("Argument count:    %s" % co.co_argcount)
+    lines.append("Positional-only arguments: %s" % co.co_posonlyargcount)
+    lines.append("Kw-only arguments: %s" % co.co_kwonlyargcount)
+    lines.append("Number of locals:  %s" % co.co_nlocals)
+    lines.append("Stack size:        %s" % co.co_stacksize)
+    lines.append("Flags:             %s" % pretty_flags(co.co_flags))
+    if co.co_consts:
+        lines.append("Constants:")
+        for i_c in enumerate(co.co_consts):
+            lines.append("%4d: %r" % i_c)
+    if co.co_names:
+        lines.append("Names:")
+        for i_n in enumerate(co.co_names):
+            lines.append("%4d: %s" % i_n)
+    if co.co_varnames:
+        lines.append("Variable names:")
+        for i_n in enumerate(co.co_varnames):
+            lines.append("%4d: %s" % i_n)
+    if co.co_freevars:
+        lines.append("Free variables:")
+        for i_n in enumerate(co.co_freevars):
+            lines.append("%4d: %s" % i_n)
+    if co.co_cellvars:
+        lines.append("Cell variables:")
+        for i_n in enumerate(co.co_cellvars):
+            lines.append("%4d: %s" % i_n)
+    return "\n".join(lines)
+
+def show_code(co, *, file=None):
+    """Print details of methods, functions, or code to *file*.
+
+    If *file* is not provided, the output is printed on stdout.
+    """
+    print(code_info(co), file=file)
+
+_Instruction = collections.namedtuple("_Instruction",
+     "opname opcode arg argval argrepr offset starts_line is_jump_target")
+
+_Instruction.opname.__doc__ = "Human readable name for operation"
+_Instruction.opcode.__doc__ = "Numeric code for operation"
+_Instruction.arg.__doc__ = "Numeric argument to operation (if any), otherwise None"
+_Instruction.argval.__doc__ = "Resolved arg value (if known), otherwise same as arg"
+_Instruction.argrepr.__doc__ = "Human readable description of operation argument"
+_Instruction.offset.__doc__ = "Start index of operation within bytecode sequence"
+_Instruction.starts_line.__doc__ = "Line started by this opcode (if any), otherwise None"
+_Instruction.is_jump_target.__doc__ = "True if other code jumps to here, otherwise False"
+
+_OPNAME_WIDTH = 20
+_OPARG_WIDTH = 5
+
+class Instruction(_Instruction):
+    """Details for a bytecode operation
+
+       Defined fields:
+         opname - human readable name for operation
+         opcode - numeric code for operation
+         arg - numeric argument to operation (if any), otherwise None
+         argval - resolved arg value (if known), otherwise same as arg
+         argrepr - human readable description of operation argument
+         offset - start index of operation within bytecode sequence
+         starts_line - line started by this opcode (if any), otherwise None
+         is_jump_target - True if other code jumps to here, otherwise False
+    """
+
+    def _disassemble(self, lineno_width=3, mark_as_current=False, offset_width=4):
+        """Format instruction details for inclusion in disassembly output
+
+        *lineno_width* sets the width of the line number field (0 omits it)
+        *mark_as_current* inserts a '-->' marker arrow as part of the line
+        *offset_width* sets the width of the instruction offset field
+        """
+        fields = []
+        # Column: Source code line number
+        if lineno_width:
+            if self.starts_line is not None:
+                lineno_fmt = "%%%dd" % lineno_width
+                fields.append(lineno_fmt % self.starts_line)
+            else:
+                fields.append(' ' * lineno_width)
+        # Column: Current instruction indicator
+        if mark_as_current:
+            fields.append('-->')
+        else:
+            fields.append('   ')
+        # Column: Jump target marker
+        if self.is_jump_target:
+            fields.append('>>')
+        else:
+            fields.append('  ')
+        # Column: Instruction offset from start of code sequence
+        fields.append(repr(self.offset).rjust(offset_width))
+        # Column: Opcode name
+        fields.append(self.opname.ljust(_OPNAME_WIDTH))
+        # Column: Opcode argument
+        if self.arg is not None:
+            fields.append(repr(self.arg).rjust(_OPARG_WIDTH))
+            # Column: Opcode argument details
+            if self.argrepr:
+                fields.append('(' + self.argrepr + ')')
+        return ' '.join(fields).rstrip()
+
+
+def get_instructions(x, *, first_line=None):
+    """Iterator for the opcodes in methods, functions or code
+
+    Generates a series of Instruction named tuples giving the details of
+    each operations in the supplied code.
+
+    If *first_line* is not None, it indicates the line number that should
+    be reported for the first source line in the disassembled code.
+    Otherwise, the source line information (if any) is taken directly from
+    the disassembled code object.
+    """
+    co = _get_code_object(x)
+    cell_names = co.co_cellvars + co.co_freevars
+    linestarts = dict(findlinestarts(co))
+    if first_line is not None:
+        line_offset = first_line - co.co_firstlineno
+    else:
+        line_offset = 0
+    return _get_instructions_bytes(co.co_code, co.co_varnames, co.co_names,
+                                   co.co_consts, cell_names, linestarts,
+                                   line_offset)
+
+def _get_const_info(const_index, const_list):
+    """Helper to get optional details about const references
+
+       Returns the dereferenced constant and its repr if the constant
+       list is defined.
+       Otherwise returns the constant index and its repr().
+    """
+    argval = const_index
+    if const_list is not None:
+        argval = const_list[const_index]
+    return argval, repr(argval)
+
+def _get_name_info(name_index, name_list):
+    """Helper to get optional details about named references
+
+       Returns the dereferenced name as both value and repr if the name
+       list is defined.
+       Otherwise returns the name index and its repr().
+    """
+    argval = name_index
+    if name_list is not None:
+        argval = name_list[name_index]
+        argrepr = argval
+    else:
+        argrepr = repr(argval)
+    return argval, argrepr
+
+
+def _get_instructions_bytes(code, varnames=None, names=None, constants=None,
+                      cells=None, linestarts=None, line_offset=0):
+    """Iterate over the instructions in a bytecode string.
+
+    Generates a sequence of Instruction namedtuples giving the details of each
+    opcode.  Additional information about the code's runtime environment
+    (e.g. variable names, constants) can be specified using optional
+    arguments.
+
+    """
+    labels = findlabels(code)
+    starts_line = None
+    for offset, op, arg in _unpack_opargs(code):
+        if linestarts is not None:
+            starts_line = linestarts.get(offset, None)
+            if starts_line is not None:
+                starts_line += line_offset
+        is_jump_target = offset in labels
+        argval = None
+        argrepr = ''
+        if arg is not None:
+            #  Set argval to the dereferenced value of the argument when
+            #  available, and argrepr to the string representation of argval.
+            #    _disassemble_bytes needs the string repr of the
+            #    raw name index for LOAD_GLOBAL, LOAD_CONST, etc.
+            argval = arg
+            if op in hasconst:
+                argval, argrepr = _get_const_info(arg, constants)
+            elif op in hasname:
+                argval, argrepr = _get_name_info(arg, names)
+            elif op in hasjrel:
+                argval = offset + 2 + arg
+                argrepr = "to " + repr(argval)
+            elif op in haslocal:
+                argval, argrepr = _get_name_info(arg, varnames)
+            elif op in hascompare:
+                argval = cmp_op[arg]
+                argrepr = argval
+            elif op in hasfree:
+                argval, argrepr = _get_name_info(arg, cells)
+            elif op == FORMAT_VALUE:
+                argval, argrepr = FORMAT_VALUE_CONVERTERS[arg & 0x3]
+                argval = (argval, bool(arg & 0x4))
+                if argval[1]:
+                    if argrepr:
+                        argrepr += ', '
+                    argrepr += 'with format'
+            elif op == MAKE_FUNCTION:
+                argrepr = ', '.join(s for i, s in enumerate(MAKE_FUNCTION_FLAGS)
+                                    if arg & (1<<i))
+        yield Instruction(opname[op], op,
+                          arg, argval, argrepr,
+                          offset, starts_line, is_jump_target)
+
+def disassemble(co, lasti=-1, *, file=None):
+    """Disassemble a code object."""
+    cell_names = co.co_cellvars + co.co_freevars
+    linestarts = dict(findlinestarts(co))
+    _disassemble_bytes(co.co_code, lasti, co.co_varnames, co.co_names,
+                       co.co_consts, cell_names, linestarts, file=file)
+
+def _disassemble_recursive(co, *, file=None, depth=None):
+    disassemble(co, file=file)
+    if depth is None or depth > 0:
+        if depth is not None:
+            depth = depth - 1
+        for x in co.co_consts:
+            if hasattr(x, 'co_code'):
+                print(file=file)
+                print("Disassembly of %r:" % (x,), file=file)
+                _disassemble_recursive(x, file=file, depth=depth)
+
+def _disassemble_bytes(code, lasti=-1, varnames=None, names=None,
+                       constants=None, cells=None, linestarts=None,
+                       *, file=None, line_offset=0):
+    # Omit the line number column entirely if we have no line number info
+    show_lineno = linestarts is not None
+    if show_lineno:
+        maxlineno = max(linestarts.values()) + line_offset
+        if maxlineno >= 1000:
+            lineno_width = len(str(maxlineno))
+        else:
+            lineno_width = 3
+    else:
+        lineno_width = 0
+    maxoffset = len(code) - 2
+    if maxoffset >= 10000:
+        offset_width = len(str(maxoffset))
+    else:
+        offset_width = 4
+    for instr in _get_instructions_bytes(code, varnames, names,
+                                         constants, cells, linestarts,
+                                         line_offset=line_offset):
+        new_source_line = (show_lineno and
+                           instr.starts_line is not None and
+                           instr.offset > 0)
+        if new_source_line:
+            print(file=file)
+        is_current_instr = instr.offset == lasti
+        print(instr._disassemble(lineno_width, is_current_instr, offset_width),
+              file=file)
+
+def _disassemble_str(source, **kwargs):
+    """Compile the source string, then disassemble the code object."""
+    _disassemble_recursive(_try_compile(source, '<dis>'), **kwargs)
+
+disco = disassemble                     # XXX For backwards compatibility
+
+def _unpack_opargs(code):
+    extended_arg = 0
+    for i in range(0, len(code), 2):
+        op = code[i]
+        if op >= HAVE_ARGUMENT:
+            arg = code[i+1] | extended_arg
+            extended_arg = (arg << 8) if op == EXTENDED_ARG else 0
+        else:
+            arg = None
+        yield (i, op, arg)
+
+def findlabels(code):
+    """Detect all offsets in a byte code which are jump targets.
+
+    Return the list of offsets.
+
+    """
+    labels = []
+    for offset, op, arg in _unpack_opargs(code):
+        if arg is not None:
+            if op in hasjrel:
+                label = offset + 2 + arg
+            elif op in hasjabs:
+                label = arg
+            else:
+                continue
+            if label not in labels:
+                labels.append(label)
+    return labels
+
+def findlinestarts(code):
+    """Find the offsets in a byte code which are start of lines in the source.
+
+    Generate pairs (offset, lineno) as described in Python/compile.c.
+
+    """
+    byte_increments = code.co_lnotab[0::2]
+    line_increments = code.co_lnotab[1::2]
+    bytecode_len = len(code.co_code)
+
+    lastlineno = None
+    lineno = code.co_firstlineno
+    addr = 0
+    for byte_incr, line_incr in zip(byte_increments, line_increments):
+        if byte_incr:
+            if lineno != lastlineno:
+                yield (addr, lineno)
+                lastlineno = lineno
+            addr += byte_incr
+            if addr >= bytecode_len:
+                # The rest of the lnotab byte offsets are past the end of
+                # the bytecode, so the lines were optimized away.
+                return
+        if line_incr >= 0x80:
+            # line_increments is an array of 8-bit signed integers
+            line_incr -= 0x100
+        lineno += line_incr
+    if lineno != lastlineno:
+        yield (addr, lineno)
+
+class Bytecode:
+    """The bytecode operations of a piece of code
+
+    Instantiate this with a function, method, other compiled object, string of
+    code, or a code object (as returned by compile()).
+
+    Iterating over this yields the bytecode operations as Instruction instances.
+    """
+    def __init__(self, x, *, first_line=None, current_offset=None):
+        self.codeobj = co = _get_code_object(x)
+        if first_line is None:
+            self.first_line = co.co_firstlineno
+            self._line_offset = 0
+        else:
+            self.first_line = first_line
+            self._line_offset = first_line - co.co_firstlineno
+        self._cell_names = co.co_cellvars + co.co_freevars
+        self._linestarts = dict(findlinestarts(co))
+        self._original_object = x
+        self.current_offset = current_offset
+
+    def __iter__(self):
+        co = self.codeobj
+        return _get_instructions_bytes(co.co_code, co.co_varnames, co.co_names,
+                                       co.co_consts, self._cell_names,
+                                       self._linestarts,
+                                       line_offset=self._line_offset)
+
+    def __repr__(self):
+        return "{}({!r})".format(self.__class__.__name__,
+                                 self._original_object)
+
+    @classmethod
+    def from_traceback(cls, tb):
+        """ Construct a Bytecode from the given traceback """
+        while tb.tb_next:
+            tb = tb.tb_next
+        return cls(tb.tb_frame.f_code, current_offset=tb.tb_lasti)
+
+    def info(self):
+        """Return formatted information about the code object."""
+        return _format_code_info(self.codeobj)
+
+    def dis(self):
+        """Return a formatted view of the bytecode operations."""
+        co = self.codeobj
+        if self.current_offset is not None:
+            offset = self.current_offset
+        else:
+            offset = -1
+        with io.StringIO() as output:
+            _disassemble_bytes(co.co_code, varnames=co.co_varnames,
+                               names=co.co_names, constants=co.co_consts,
+                               cells=self._cell_names,
+                               linestarts=self._linestarts,
+                               line_offset=self._line_offset,
+                               file=output,
+                               lasti=offset)
+            return output.getvalue()
+
+
+def _test():
+    """Simple test program to disassemble a file."""
+    import argparse
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('infile', type=argparse.FileType('rb'), nargs='?', default='-')
+    args = parser.parse_args()
+    with args.infile as infile:
+        source = infile.read()
+    code = compile(source, args.infile.name, "exec")
+    dis(code)
+
+if __name__ == "__main__":
+    _test()

my_container_sandbox/workspace/anaconda3/lib/python3.8/enum.py

@@ -0,0 +1,1018 @@
+import sys
+from types import MappingProxyType, DynamicClassAttribute
+
+
+__all__ = [
+        'EnumMeta',
+        'Enum', 'IntEnum', 'Flag', 'IntFlag',
+        'auto', 'unique',
+        ]
+
+
+def _is_descriptor(obj):
+    """
+    Returns True if obj is a descriptor, False otherwise.
+    """
+    return (
+            hasattr(obj, '__get__') or
+            hasattr(obj, '__set__') or
+            hasattr(obj, '__delete__')
+            )
+
+def _is_dunder(name):
+    """
+    Returns True if a __dunder__ name, False otherwise.
+    """
+    return (
+            len(name) > 4 and
+            name[:2] == name[-2:] == '__' and
+            name[2] != '_' and
+            name[-3] != '_'
+            )
+
+def _is_sunder(name):
+    """
+    Returns True if a _sunder_ name, False otherwise.
+    """
+    return (
+            len(name) > 2 and
+            name[0] == name[-1] == '_' and
+            name[1:2] != '_' and
+            name[-2:-1] != '_'
+            )
+
+def _make_class_unpicklable(cls):
+    """
+    Make the given class un-picklable.
+    """
+    def _break_on_call_reduce(self, proto):
+        raise TypeError('%r cannot be pickled' % self)
+    cls.__reduce_ex__ = _break_on_call_reduce
+    cls.__module__ = '<unknown>'
+
+_auto_null = object()
+class auto:
+    """
+    Instances are replaced with an appropriate value in Enum class suites.
+    """
+    value = _auto_null
+
+
+class _EnumDict(dict):
+    """
+    Track enum member order and ensure member names are not reused.
+
+    EnumMeta will use the names found in self._member_names as the
+    enumeration member names.
+    """
+    def __init__(self):
+        super().__init__()
+        self._member_names = []
+        self._last_values = []
+        self._ignore = []
+        self._auto_called = False
+
+    def __setitem__(self, key, value):
+        """
+        Changes anything not dundered or not a descriptor.
+
+        If an enum member name is used twice, an error is raised; duplicate
+        values are not checked for.
+
+        Single underscore (sunder) names are reserved.
+        """
+        if _is_sunder(key):
+            if key not in (
+                    '_order_', '_create_pseudo_member_',
+                    '_generate_next_value_', '_missing_', '_ignore_',
+                    ):
+                raise ValueError('_names_ are reserved for future Enum use')
+            if key == '_generate_next_value_':
+                # check if members already defined as auto()
+                if self._auto_called:
+                    raise TypeError("_generate_next_value_ must be defined before members")
+                setattr(self, '_generate_next_value', value)
+            elif key == '_ignore_':
+                if isinstance(value, str):
+                    value = value.replace(',',' ').split()
+                else:
+                    value = list(value)
+                self._ignore = value
+                already = set(value) & set(self._member_names)
+                if already:
+                    raise ValueError(
+                            '_ignore_ cannot specify already set names: %r'
+                            % (already, )
+                            )
+        elif _is_dunder(key):
+            if key == '__order__':
+                key = '_order_'
+        elif key in self._member_names:
+            # descriptor overwriting an enum?
+            raise TypeError('Attempted to reuse key: %r' % key)
+        elif key in self._ignore:
+            pass
+        elif not _is_descriptor(value):
+            if key in self:
+                # enum overwriting a descriptor?
+                raise TypeError('%r already defined as: %r' % (key, self[key]))
+            if isinstance(value, auto):
+                if value.value == _auto_null:
+                    value.value = self._generate_next_value(
+                            key,
+                            1,
+                            len(self._member_names),
+                            self._last_values[:],
+                            )
+                    self._auto_called = True
+                value = value.value
+            self._member_names.append(key)
+            self._last_values.append(value)
+        super().__setitem__(key, value)
+
+
+# Dummy value for Enum as EnumMeta explicitly checks for it, but of course
+# until EnumMeta finishes running the first time the Enum class doesn't exist.
+# This is also why there are checks in EnumMeta like `if Enum is not None`
+Enum = None
+
+class EnumMeta(type):
+    """
+    Metaclass for Enum
+    """
+    @classmethod
+    def __prepare__(metacls, cls, bases):
+        # check that previous enum members do not exist
+        metacls._check_for_existing_members(cls, bases)
+        # create the namespace dict
+        enum_dict = _EnumDict()
+        # inherit previous flags and _generate_next_value_ function
+        member_type, first_enum = metacls._get_mixins_(cls, bases)
+        if first_enum is not None:
+            enum_dict['_generate_next_value_'] = getattr(
+                    first_enum, '_generate_next_value_', None,
+                    )
+        return enum_dict
+
+    def __new__(metacls, cls, bases, classdict):
+        # an Enum class is final once enumeration items have been defined; it
+        # cannot be mixed with other types (int, float, etc.) if it has an
+        # inherited __new__ unless a new __new__ is defined (or the resulting
+        # class will fail).
+        #
+        # remove any keys listed in _ignore_
+        classdict.setdefault('_ignore_', []).append('_ignore_')
+        ignore = classdict['_ignore_']
+        for key in ignore:
+            classdict.pop(key, None)
+        member_type, first_enum = metacls._get_mixins_(cls, bases)
+        __new__, save_new, use_args = metacls._find_new_(
+                classdict, member_type, first_enum,
+                )
+
+        # save enum items into separate mapping so they don't get baked into
+        # the new class
+        enum_members = {k: classdict[k] for k in classdict._member_names}
+        for name in classdict._member_names:
+            del classdict[name]
+
+        # adjust the sunders
+        _order_ = classdict.pop('_order_', None)
+
+        # check for illegal enum names (any others?)
+        invalid_names = set(enum_members) & {'mro', ''}
+        if invalid_names:
+            raise ValueError('Invalid enum member name: {0}'.format(
+                ','.join(invalid_names)))
+
+        # create a default docstring if one has not been provided
+        if '__doc__' not in classdict:
+            classdict['__doc__'] = 'An enumeration.'
+
+        # create our new Enum type
+        enum_class = super().__new__(metacls, cls, bases, classdict)
+        enum_class._member_names_ = []               # names in definition order
+        enum_class._member_map_ = {}                 # name->value map
+        enum_class._member_type_ = member_type
+
+        # save DynamicClassAttribute attributes from super classes so we know
+        # if we can take the shortcut of storing members in the class dict
+        dynamic_attributes = {
+                k for c in enum_class.mro()
+                for k, v in c.__dict__.items()
+                if isinstance(v, DynamicClassAttribute)
+                }
+
+        # Reverse value->name map for hashable values.
+        enum_class._value2member_map_ = {}
+
+        # If a custom type is mixed into the Enum, and it does not know how
+        # to pickle itself, pickle.dumps will succeed but pickle.loads will
+        # fail.  Rather than have the error show up later and possibly far
+        # from the source, sabotage the pickle protocol for this class so
+        # that pickle.dumps also fails.
+        #
+        # However, if the new class implements its own __reduce_ex__, do not
+        # sabotage -- it's on them to make sure it works correctly.  We use
+        # __reduce_ex__ instead of any of the others as it is preferred by
+        # pickle over __reduce__, and it handles all pickle protocols.
+        if '__reduce_ex__' not in classdict:
+            if member_type is not object:
+                methods = ('__getnewargs_ex__', '__getnewargs__',
+                        '__reduce_ex__', '__reduce__')
+                if not any(m in member_type.__dict__ for m in methods):
+                    _make_class_unpicklable(enum_class)
+
+        # instantiate them, checking for duplicates as we go
+        # we instantiate first instead of checking for duplicates first in case
+        # a custom __new__ is doing something funky with the values -- such as
+        # auto-numbering ;)
+        for member_name in classdict._member_names:
+            value = enum_members[member_name]
+            if not isinstance(value, tuple):
+                args = (value, )
+            else:
+                args = value
+            if member_type is tuple:   # special case for tuple enums
+                args = (args, )     # wrap it one more time
+            if not use_args:
+                enum_member = __new__(enum_class)
+                if not hasattr(enum_member, '_value_'):
+                    enum_member._value_ = value
+            else:
+                enum_member = __new__(enum_class, *args)
+                if not hasattr(enum_member, '_value_'):
+                    if member_type is object:
+                        enum_member._value_ = value
+                    else:
+                        enum_member._value_ = member_type(*args)
+            value = enum_member._value_
+            enum_member._name_ = member_name
+            enum_member.__objclass__ = enum_class
+            enum_member.__init__(*args)
+            # If another member with the same value was already defined, the
+            # new member becomes an alias to the existing one.
+            for name, canonical_member in enum_class._member_map_.items():
+                if canonical_member._value_ == enum_member._value_:
+                    enum_member = canonical_member
+                    break
+            else:
+                # Aliases don't appear in member names (only in __members__).
+                enum_class._member_names_.append(member_name)
+            # performance boost for any member that would not shadow
+            # a DynamicClassAttribute
+            if member_name not in dynamic_attributes:
+                setattr(enum_class, member_name, enum_member)
+            # now add to _member_map_
+            enum_class._member_map_[member_name] = enum_member
+            try:
+                # This may fail if value is not hashable. We can't add the value
+                # to the map, and by-value lookups for this value will be
+                # linear.
+                enum_class._value2member_map_[value] = enum_member
+            except TypeError:
+                pass
+
+        # double check that repr and friends are not the mixin's or various
+        # things break (such as pickle)
+        # however, if the method is defined in the Enum itself, don't replace
+        # it
+        for name in ('__repr__', '__str__', '__format__', '__reduce_ex__'):
+            if name in classdict:
+                continue
+            class_method = getattr(enum_class, name)
+            obj_method = getattr(member_type, name, None)
+            enum_method = getattr(first_enum, name, None)
+            if obj_method is not None and obj_method is class_method:
+                setattr(enum_class, name, enum_method)
+
+        # replace any other __new__ with our own (as long as Enum is not None,
+        # anyway) -- again, this is to support pickle
+        if Enum is not None:
+            # if the user defined their own __new__, save it before it gets
+            # clobbered in case they subclass later
+            if save_new:
+                enum_class.__new_member__ = __new__
+            enum_class.__new__ = Enum.__new__
+
+        # py3 support for definition order (helps keep py2/py3 code in sync)
+        if _order_ is not None:
+            if isinstance(_order_, str):
+                _order_ = _order_.replace(',', ' ').split()
+            if _order_ != enum_class._member_names_:
+                raise TypeError('member order does not match _order_')
+
+        return enum_class
+
+    def __bool__(self):
+        """
+        classes/types should always be True.
+        """
+        return True
+
+    def __call__(cls, value, names=None, *, module=None, qualname=None, type=None, start=1):
+        """
+        Either returns an existing member, or creates a new enum class.
+
+        This method is used both when an enum class is given a value to match
+        to an enumeration member (i.e. Color(3)) and for the functional API
+        (i.e. Color = Enum('Color', names='RED GREEN BLUE')).
+
+        When used for the functional API:
+
+        `value` will be the name of the new class.
+
+        `names` should be either a string of white-space/comma delimited names
+        (values will start at `start`), or an iterator/mapping of name, value pairs.
+
+        `module` should be set to the module this class is being created in;
+        if it is not set, an attempt to find that module will be made, but if
+        it fails the class will not be picklable.
+
+        `qualname` should be set to the actual location this class can be found
+        at in its module; by default it is set to the global scope.  If this is
+        not correct, unpickling will fail in some circumstances.
+
+        `type`, if set, will be mixed in as the first base class.
+        """
+        if names is None:  # simple value lookup
+            return cls.__new__(cls, value)
+        # otherwise, functional API: we're creating a new Enum type
+        return cls._create_(
+                value,
+                names,
+                module=module,
+                qualname=qualname,
+                type=type,
+                start=start,
+                )
+
+    def __contains__(cls, member):
+        if not isinstance(member, Enum):
+            raise TypeError(
+                "unsupported operand type(s) for 'in': '%s' and '%s'" % (
+                    type(member).__qualname__, cls.__class__.__qualname__))
+        return isinstance(member, cls) and member._name_ in cls._member_map_
+
+    def __delattr__(cls, attr):
+        # nicer error message when someone tries to delete an attribute
+        # (see issue19025).
+        if attr in cls._member_map_:
+            raise AttributeError("%s: cannot delete Enum member." % cls.__name__)
+        super().__delattr__(attr)
+
+    def __dir__(self):
+        return (
+                ['__class__', '__doc__', '__members__', '__module__']
+                + self._member_names_
+                )
+
+    def __getattr__(cls, name):
+        """
+        Return the enum member matching `name`
+
+        We use __getattr__ instead of descriptors or inserting into the enum
+        class' __dict__ in order to support `name` and `value` being both
+        properties for enum members (which live in the class' __dict__) and
+        enum members themselves.
+        """
+        if _is_dunder(name):
+            raise AttributeError(name)
+        try:
+            return cls._member_map_[name]
+        except KeyError:
+            raise AttributeError(name) from None
+
+    def __getitem__(cls, name):
+        return cls._member_map_[name]
+
+    def __iter__(cls):
+        """
+        Returns members in definition order.
+        """
+        return (cls._member_map_[name] for name in cls._member_names_)
+
+    def __len__(cls):
+        return len(cls._member_names_)
+
+    @property
+    def __members__(cls):
+        """
+        Returns a mapping of member name->value.
+
+        This mapping lists all enum members, including aliases. Note that this
+        is a read-only view of the internal mapping.
+        """
+        return MappingProxyType(cls._member_map_)
+
+    def __repr__(cls):
+        return "<enum %r>" % cls.__name__
+
+    def __reversed__(cls):
+        """
+        Returns members in reverse definition order.
+        """
+        return (cls._member_map_[name] for name in reversed(cls._member_names_))
+
+    def __setattr__(cls, name, value):
+        """
+        Block attempts to reassign Enum members.
+
+        A simple assignment to the class namespace only changes one of the
+        several possible ways to get an Enum member from the Enum class,
+        resulting in an inconsistent Enumeration.
+        """
+        member_map = cls.__dict__.get('_member_map_', {})
+        if name in member_map:
+            raise AttributeError('Cannot reassign members.')
+        super().__setattr__(name, value)
+
+    def _create_(cls, class_name, names, *, module=None, qualname=None, type=None, start=1):
+        """
+        Convenience method to create a new Enum class.
+
+        `names` can be:
+
+        * A string containing member names, separated either with spaces or
+          commas.  Values are incremented by 1 from `start`.
+        * An iterable of member names.  Values are incremented by 1 from `start`.
+        * An iterable of (member name, value) pairs.
+        * A mapping of member name -> value pairs.
+        """
+        metacls = cls.__class__
+        bases = (cls, ) if type is None else (type, cls)
+        _, first_enum = cls._get_mixins_(cls, bases)
+        classdict = metacls.__prepare__(class_name, bases)
+
+        # special processing needed for names?
+        if isinstance(names, str):
+            names = names.replace(',', ' ').split()
+        if isinstance(names, (tuple, list)) and names and isinstance(names[0], str):
+            original_names, names = names, []
+            last_values = []
+            for count, name in enumerate(original_names):
+                value = first_enum._generate_next_value_(name, start, count, last_values[:])
+                last_values.append(value)
+                names.append((name, value))
+
+        # Here, names is either an iterable of (name, value) or a mapping.
+        for item in names:
+            if isinstance(item, str):
+                member_name, member_value = item, names[item]
+            else:
+                member_name, member_value = item
+            classdict[member_name] = member_value
+        enum_class = metacls.__new__(metacls, class_name, bases, classdict)
+
+        # TODO: replace the frame hack if a blessed way to know the calling
+        # module is ever developed
+        if module is None:
+            try:
+                module = sys._getframe(2).f_globals['__name__']
+            except (AttributeError, ValueError, KeyError) as exc:
+                pass
+        if module is None:
+            _make_class_unpicklable(enum_class)
+        else:
+            enum_class.__module__ = module
+        if qualname is not None:
+            enum_class.__qualname__ = qualname
+
+        return enum_class
+
+    def _convert_(cls, name, module, filter, source=None):
+        """
+        Create a new Enum subclass that replaces a collection of global constants
+        """
+        # convert all constants from source (or module) that pass filter() to
+        # a new Enum called name, and export the enum and its members back to
+        # module;
+        # also, replace the __reduce_ex__ method so unpickling works in
+        # previous Python versions
+        module_globals = vars(sys.modules[module])
+        if source:
+            source = vars(source)
+        else:
+            source = module_globals
+        # _value2member_map_ is populated in the same order every time
+        # for a consistent reverse mapping of number to name when there
+        # are multiple names for the same number.
+        members = [
+                (name, value)
+                for name, value in source.items()
+                if filter(name)]
+        try:
+            # sort by value
+            members.sort(key=lambda t: (t[1], t[0]))
+        except TypeError:
+            # unless some values aren't comparable, in which case sort by name
+            members.sort(key=lambda t: t[0])
+        cls = cls(name, members, module=module)
+        cls.__reduce_ex__ = _reduce_ex_by_name
+        module_globals.update(cls.__members__)
+        module_globals[name] = cls
+        return cls
+
+    def _convert(cls, *args, **kwargs):
+        import warnings
+        warnings.warn("_convert is deprecated and will be removed in 3.9, use "
+                      "_convert_ instead.", DeprecationWarning, stacklevel=2)
+        return cls._convert_(*args, **kwargs)
+
+    @staticmethod
+    def _check_for_existing_members(class_name, bases):
+        for chain in bases:
+            for base in chain.__mro__:
+                if issubclass(base, Enum) and base._member_names_:
+                    raise TypeError(
+                            "%s: cannot extend enumeration %r"
+                            % (class_name, base.__name__)
+                            )
+
+    @staticmethod
+    def _get_mixins_(class_name, bases):
+        """
+        Returns the type for creating enum members, and the first inherited
+        enum class.
+
+        bases: the tuple of bases that was given to __new__
+        """
+        if not bases:
+            return object, Enum
+
+        def _find_data_type(bases):
+            data_types = []
+            for chain in bases:
+                candidate = None
+                for base in chain.__mro__:
+                    if base is object:
+                        continue
+                    elif issubclass(base, Enum):
+                        if base._member_type_ is not object:
+                            data_types.append(base._member_type_)
+                            break
+                    elif '__new__' in base.__dict__:
+                        if issubclass(base, Enum):
+                            continue
+                        data_types.append(candidate or base)
+                        break
+                    else:
+                        candidate = base
+            if len(data_types) > 1:
+                raise TypeError('%r: too many data types: %r' % (class_name, data_types))
+            elif data_types:
+                return data_types[0]
+            else:
+                return None
+
+        # ensure final parent class is an Enum derivative, find any concrete
+        # data type, and check that Enum has no members
+        first_enum = bases[-1]
+        if not issubclass(first_enum, Enum):
+            raise TypeError("new enumerations should be created as "
+                    "`EnumName([mixin_type, ...] [data_type,] enum_type)`")
+        member_type = _find_data_type(bases) or object
+        if first_enum._member_names_:
+            raise TypeError("Cannot extend enumerations")
+        return member_type, first_enum
+
+    @staticmethod
+    def _find_new_(classdict, member_type, first_enum):
+        """
+        Returns the __new__ to be used for creating the enum members.
+
+        classdict: the class dictionary given to __new__
+        member_type: the data type whose __new__ will be used by default
+        first_enum: enumeration to check for an overriding __new__
+        """
+        # now find the correct __new__, checking to see of one was defined
+        # by the user; also check earlier enum classes in case a __new__ was
+        # saved as __new_member__
+        __new__ = classdict.get('__new__', None)
+
+        # should __new__ be saved as __new_member__ later?
+        save_new = __new__ is not None
+
+        if __new__ is None:
+            # check all possibles for __new_member__ before falling back to
+            # __new__
+            for method in ('__new_member__', '__new__'):
+                for possible in (member_type, first_enum):
+                    target = getattr(possible, method, None)
+                    if target not in {
+                            None,
+                            None.__new__,
+                            object.__new__,
+                            Enum.__new__,
+                            }:
+                        __new__ = target
+                        break
+                if __new__ is not None:
+                    break
+            else:
+                __new__ = object.__new__
+
+        # if a non-object.__new__ is used then whatever value/tuple was
+        # assigned to the enum member name will be passed to __new__ and to the
+        # new enum member's __init__
+        if __new__ is object.__new__:
+            use_args = False
+        else:
+            use_args = True
+        return __new__, save_new, use_args
+
+
+class Enum(metaclass=EnumMeta):
+    """
+    Generic enumeration.
+
+    Derive from this class to define new enumerations.
+    """
+    def __new__(cls, value):
+        # all enum instances are actually created during class construction
+        # without calling this method; this method is called by the metaclass'
+        # __call__ (i.e. Color(3) ), and by pickle
+        if type(value) is cls:
+            # For lookups like Color(Color.RED)
+            return value
+        # by-value search for a matching enum member
+        # see if it's in the reverse mapping (for hashable values)
+        try:
+            return cls._value2member_map_[value]
+        except KeyError:
+            # Not found, no need to do long O(n) search
+            pass
+        except TypeError:
+            # not there, now do long search -- O(n) behavior
+            for member in cls._member_map_.values():
+                if member._value_ == value:
+                    return member
+        # still not found -- try _missing_ hook
+        try:
+            exc = None
+            result = cls._missing_(value)
+        except Exception as e:
+            exc = e
+            result = None
+        try:
+            if isinstance(result, cls):
+                return result
+            else:
+                ve_exc = ValueError("%r is not a valid %s" % (value, cls.__name__))
+                if result is None and exc is None:
+                    raise ve_exc
+                elif exc is None:
+                    exc = TypeError(
+                            'error in %s._missing_: returned %r instead of None or a valid member'
+                            % (cls.__name__, result)
+                            )
+                exc.__context__ = ve_exc
+                raise exc
+        finally:
+            # ensure all variables that could hold an exception are destroyed
+            exc = None
+            ve_exc = None
+
+    def _generate_next_value_(name, start, count, last_values):
+        """
+        Generate the next value when not given.
+
+        name: the name of the member
+        start: the initial start value or None
+        count: the number of existing members
+        last_value: the last value assigned or None
+        """
+        for last_value in reversed(last_values):
+            try:
+                return last_value + 1
+            except TypeError:
+                pass
+        else:
+            return start
+
+    @classmethod
+    def _missing_(cls, value):
+        return None
+
+    def __repr__(self):
+        return "<%s.%s: %r>" % (
+                self.__class__.__name__, self._name_, self._value_)
+
+    def __str__(self):
+        return "%s.%s" % (self.__class__.__name__, self._name_)
+
+    def __dir__(self):
+        """
+        Returns all members and all public methods
+        """
+        added_behavior = [
+                m
+                for cls in self.__class__.mro()
+                for m in cls.__dict__
+                if m[0] != '_' and m not in self._member_map_
+                ] + [m for m in self.__dict__ if m[0] != '_']
+        return (['__class__', '__doc__', '__module__'] + added_behavior)
+
+    def __format__(self, format_spec):
+        """
+        Returns format using actual value type unless __str__ has been overridden.
+        """
+        # mixed-in Enums should use the mixed-in type's __format__, otherwise
+        # we can get strange results with the Enum name showing up instead of
+        # the value
+
+        # pure Enum branch, or branch with __str__ explicitly overridden
+        str_overridden = type(self).__str__ not in (Enum.__str__, Flag.__str__)
+        if self._member_type_ is object or str_overridden:
+            cls = str
+            val = str(self)
+        # mix-in branch
+        else:
+            cls = self._member_type_
+            val = self._value_
+        return cls.__format__(val, format_spec)
+
+    def __hash__(self):
+        return hash(self._name_)
+
+    def __reduce_ex__(self, proto):
+        return self.__class__, (self._value_, )
+
+    # DynamicClassAttribute is used to provide access to the `name` and
+    # `value` properties of enum members while keeping some measure of
+    # protection from modification, while still allowing for an enumeration
+    # to have members named `name` and `value`.  This works because enumeration
+    # members are not set directly on the enum class -- __getattr__ is
+    # used to look them up.
+
+    @DynamicClassAttribute
+    def name(self):
+        """The name of the Enum member."""
+        return self._name_
+
+    @DynamicClassAttribute
+    def value(self):
+        """The value of the Enum member."""
+        return self._value_
+
+
+class IntEnum(int, Enum):
+    """Enum where members are also (and must be) ints"""
+
+
+def _reduce_ex_by_name(self, proto):
+    return self.name
+
+class Flag(Enum):
+    """
+    Support for flags
+    """
+
+    def _generate_next_value_(name, start, count, last_values):
+        """
+        Generate the next value when not given.
+
+        name: the name of the member
+        start: the initial start value or None
+        count: the number of existing members
+        last_value: the last value assigned or None
+        """
+        if not count:
+            return start if start is not None else 1
+        for last_value in reversed(last_values):
+            try:
+                high_bit = _high_bit(last_value)
+                break
+            except Exception:
+                raise TypeError('Invalid Flag value: %r' % last_value) from None
+        return 2 ** (high_bit+1)
+
+    @classmethod
+    def _missing_(cls, value):
+        """
+        Returns member (possibly creating it) if one can be found for value.
+        """
+        original_value = value
+        if value < 0:
+            value = ~value
+        possible_member = cls._create_pseudo_member_(value)
+        if original_value < 0:
+            possible_member = ~possible_member
+        return possible_member
+
+    @classmethod
+    def _create_pseudo_member_(cls, value):
+        """
+        Create a composite member iff value contains only members.
+        """
+        pseudo_member = cls._value2member_map_.get(value, None)
+        if pseudo_member is None:
+            # verify all bits are accounted for
+            _, extra_flags = _decompose(cls, value)
+            if extra_flags:
+                raise ValueError("%r is not a valid %s" % (value, cls.__name__))
+            # construct a singleton enum pseudo-member
+            pseudo_member = object.__new__(cls)
+            pseudo_member._name_ = None
+            pseudo_member._value_ = value
+            # use setdefault in case another thread already created a composite
+            # with this value
+            pseudo_member = cls._value2member_map_.setdefault(value, pseudo_member)
+        return pseudo_member
+
+    def __contains__(self, other):
+        """
+        Returns True if self has at least the same flags set as other.
+        """
+        if not isinstance(other, self.__class__):
+            raise TypeError(
+                "unsupported operand type(s) for 'in': '%s' and '%s'" % (
+                    type(other).__qualname__, self.__class__.__qualname__))
+        return other._value_ & self._value_ == other._value_
+
+    def __repr__(self):
+        cls = self.__class__
+        if self._name_ is not None:
+            return '<%s.%s: %r>' % (cls.__name__, self._name_, self._value_)
+        members, uncovered = _decompose(cls, self._value_)
+        return '<%s.%s: %r>' % (
+                cls.__name__,
+                '|'.join([str(m._name_ or m._value_) for m in members]),
+                self._value_,
+                )
+
+    def __str__(self):
+        cls = self.__class__
+        if self._name_ is not None:
+            return '%s.%s' % (cls.__name__, self._name_)
+        members, uncovered = _decompose(cls, self._value_)
+        if len(members) == 1 and members[0]._name_ is None:
+            return '%s.%r' % (cls.__name__, members[0]._value_)
+        else:
+            return '%s.%s' % (
+                    cls.__name__,
+                    '|'.join([str(m._name_ or m._value_) for m in members]),
+                    )
+
+    def __bool__(self):
+        return bool(self._value_)
+
+    def __or__(self, other):
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        return self.__class__(self._value_ | other._value_)
+
+    def __and__(self, other):
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        return self.__class__(self._value_ & other._value_)
+
+    def __xor__(self, other):
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        return self.__class__(self._value_ ^ other._value_)
+
+    def __invert__(self):
+        members, uncovered = _decompose(self.__class__, self._value_)
+        inverted = self.__class__(0)
+        for m in self.__class__:
+            if m not in members and not (m._value_ & self._value_):
+                inverted = inverted | m
+        return self.__class__(inverted)
+
+
+class IntFlag(int, Flag):
+    """
+    Support for integer-based Flags
+    """
+
+    @classmethod
+    def _missing_(cls, value):
+        """
+        Returns member (possibly creating it) if one can be found for value.
+        """
+        if not isinstance(value, int):
+            raise ValueError("%r is not a valid %s" % (value, cls.__name__))
+        new_member = cls._create_pseudo_member_(value)
+        return new_member
+
+    @classmethod
+    def _create_pseudo_member_(cls, value):
+        """
+        Create a composite member iff value contains only members.
+        """
+        pseudo_member = cls._value2member_map_.get(value, None)
+        if pseudo_member is None:
+            need_to_create = [value]
+            # get unaccounted for bits
+            _, extra_flags = _decompose(cls, value)
+            # timer = 10
+            while extra_flags:
+                # timer -= 1
+                bit = _high_bit(extra_flags)
+                flag_value = 2 ** bit
+                if (flag_value not in cls._value2member_map_ and
+                        flag_value not in need_to_create
+                        ):
+                    need_to_create.append(flag_value)
+                if extra_flags == -flag_value:
+                    extra_flags = 0
+                else:
+                    extra_flags ^= flag_value
+            for value in reversed(need_to_create):
+                # construct singleton pseudo-members
+                pseudo_member = int.__new__(cls, value)
+                pseudo_member._name_ = None
+                pseudo_member._value_ = value
+                # use setdefault in case another thread already created a composite
+                # with this value
+                pseudo_member = cls._value2member_map_.setdefault(value, pseudo_member)
+        return pseudo_member
+
+    def __or__(self, other):
+        if not isinstance(other, (self.__class__, int)):
+            return NotImplemented
+        result = self.__class__(self._value_ | self.__class__(other)._value_)
+        return result
+
+    def __and__(self, other):
+        if not isinstance(other, (self.__class__, int)):
+            return NotImplemented
+        return self.__class__(self._value_ & self.__class__(other)._value_)
+
+    def __xor__(self, other):
+        if not isinstance(other, (self.__class__, int)):
+            return NotImplemented
+        return self.__class__(self._value_ ^ self.__class__(other)._value_)
+
+    __ror__ = __or__
+    __rand__ = __and__
+    __rxor__ = __xor__
+
+    def __invert__(self):
+        result = self.__class__(~self._value_)
+        return result
+
+
+def _high_bit(value):
+    """
+    returns index of highest bit, or -1 if value is zero or negative
+    """
+    return value.bit_length() - 1
+
+def unique(enumeration):
+    """
+    Class decorator for enumerations ensuring unique member values.
+    """
+    duplicates = []
+    for name, member in enumeration.__members__.items():
+        if name != member.name:
+            duplicates.append((name, member.name))
+    if duplicates:
+        alias_details = ', '.join(
+                ["%s -> %s" % (alias, name) for (alias, name) in duplicates])
+        raise ValueError('duplicate values found in %r: %s' %
+                (enumeration, alias_details))
+    return enumeration
+
+def _decompose(flag, value):
+    """
+    Extract all members from the value.
+    """
+    # _decompose is only called if the value is not named
+    not_covered = value
+    negative = value < 0
+    # issue29167: wrap accesses to _value2member_map_ in a list to avoid race
+    #             conditions between iterating over it and having more pseudo-
+    #             members added to it
+    if negative:
+        # only check for named flags
+        flags_to_check = [
+                (m, v)
+                for v, m in list(flag._value2member_map_.items())
+                if m.name is not None
+                ]
+    else:
+        # check for named flags and powers-of-two flags
+        flags_to_check = [
+                (m, v)
+                for v, m in list(flag._value2member_map_.items())
+                if m.name is not None or _power_of_two(v)
+                ]
+    members = []
+    for member, member_value in flags_to_check:
+        if member_value and member_value & value == member_value:
+            members.append(member)
+            not_covered &= ~member_value
+    if not members and value in flag._value2member_map_:
+        members.append(flag._value2member_map_[value])
+    members.sort(key=lambda m: m._value_, reverse=True)
+    if len(members) > 1 and members[0].value == value:
+        # we have the breakdown, don't need the value member itself
+        members.pop(0)
+    return members, not_covered
+
+def _power_of_two(value):
+    if value < 1:
+        return False
+    return value == 2 ** _high_bit(value)

my_container_sandbox/workspace/anaconda3/lib/python3.8/filecmp.py

@@ -0,0 +1,305 @@
+"""Utilities for comparing files and directories.
+
+Classes:
+    dircmp
+
+Functions:
+    cmp(f1, f2, shallow=True) -> int
+    cmpfiles(a, b, common) -> ([], [], [])
+    clear_cache()
+
+"""
+
+import os
+import stat
+from itertools import filterfalse
+
+__all__ = ['clear_cache', 'cmp', 'dircmp', 'cmpfiles', 'DEFAULT_IGNORES']
+
+_cache = {}
+BUFSIZE = 8*1024
+
+DEFAULT_IGNORES = [
+    'RCS', 'CVS', 'tags', '.git', '.hg', '.bzr', '_darcs', '__pycache__']
+
+def clear_cache():
+    """Clear the filecmp cache."""
+    _cache.clear()
+
+def cmp(f1, f2, shallow=True):
+    """Compare two files.
+
+    Arguments:
+
+    f1 -- First file name
+
+    f2 -- Second file name
+
+    shallow -- Just check stat signature (do not read the files).
+               defaults to True.
+
+    Return value:
+
+    True if the files are the same, False otherwise.
+
+    This function uses a cache for past comparisons and the results,
+    with cache entries invalidated if their stat information
+    changes.  The cache may be cleared by calling clear_cache().
+
+    """
+
+    s1 = _sig(os.stat(f1))
+    s2 = _sig(os.stat(f2))
+    if s1[0] != stat.S_IFREG or s2[0] != stat.S_IFREG:
+        return False
+    if shallow and s1 == s2:
+        return True
+    if s1[1] != s2[1]:
+        return False
+
+    outcome = _cache.get((f1, f2, s1, s2))
+    if outcome is None:
+        outcome = _do_cmp(f1, f2)
+        if len(_cache) > 100:      # limit the maximum size of the cache
+            clear_cache()
+        _cache[f1, f2, s1, s2] = outcome
+    return outcome
+
+def _sig(st):
+    return (stat.S_IFMT(st.st_mode),
+            st.st_size,
+            st.st_mtime)
+
+def _do_cmp(f1, f2):
+    bufsize = BUFSIZE
+    with open(f1, 'rb') as fp1, open(f2, 'rb') as fp2:
+        while True:
+            b1 = fp1.read(bufsize)
+            b2 = fp2.read(bufsize)
+            if b1 != b2:
+                return False
+            if not b1:
+                return True
+
+# Directory comparison class.
+#
+class dircmp:
+    """A class that manages the comparison of 2 directories.
+
+    dircmp(a, b, ignore=None, hide=None)
+      A and B are directories.
+      IGNORE is a list of names to ignore,
+        defaults to DEFAULT_IGNORES.
+      HIDE is a list of names to hide,
+        defaults to [os.curdir, os.pardir].
+
+    High level usage:
+      x = dircmp(dir1, dir2)
+      x.report() -> prints a report on the differences between dir1 and dir2
+       or
+      x.report_partial_closure() -> prints report on differences between dir1
+            and dir2, and reports on common immediate subdirectories.
+      x.report_full_closure() -> like report_partial_closure,
+            but fully recursive.
+
+    Attributes:
+     left_list, right_list: The files in dir1 and dir2,
+        filtered by hide and ignore.
+     common: a list of names in both dir1 and dir2.
+     left_only, right_only: names only in dir1, dir2.
+     common_dirs: subdirectories in both dir1 and dir2.
+     common_files: files in both dir1 and dir2.
+     common_funny: names in both dir1 and dir2 where the type differs between
+        dir1 and dir2, or the name is not stat-able.
+     same_files: list of identical files.
+     diff_files: list of filenames which differ.
+     funny_files: list of files which could not be compared.
+     subdirs: a dictionary of dircmp objects, keyed by names in common_dirs.
+     """
+
+    def __init__(self, a, b, ignore=None, hide=None): # Initialize
+        self.left = a
+        self.right = b
+        if hide is None:
+            self.hide = [os.curdir, os.pardir] # Names never to be shown
+        else:
+            self.hide = hide
+        if ignore is None:
+            self.ignore = DEFAULT_IGNORES
+        else:
+            self.ignore = ignore
+
+    def phase0(self): # Compare everything except common subdirectories
+        self.left_list = _filter(os.listdir(self.left),
+                                 self.hide+self.ignore)
+        self.right_list = _filter(os.listdir(self.right),
+                                  self.hide+self.ignore)
+        self.left_list.sort()
+        self.right_list.sort()
+
+    def phase1(self): # Compute common names
+        a = dict(zip(map(os.path.normcase, self.left_list), self.left_list))
+        b = dict(zip(map(os.path.normcase, self.right_list), self.right_list))
+        self.common = list(map(a.__getitem__, filter(b.__contains__, a)))
+        self.left_only = list(map(a.__getitem__, filterfalse(b.__contains__, a)))
+        self.right_only = list(map(b.__getitem__, filterfalse(a.__contains__, b)))
+
+    def phase2(self): # Distinguish files, directories, funnies
+        self.common_dirs = []
+        self.common_files = []
+        self.common_funny = []
+
+        for x in self.common:
+            a_path = os.path.join(self.left, x)
+            b_path = os.path.join(self.right, x)
+
+            ok = 1
+            try:
+                a_stat = os.stat(a_path)
+            except OSError as why:
+                # print('Can\'t stat', a_path, ':', why.args[1])
+                ok = 0
+            try:
+                b_stat = os.stat(b_path)
+            except OSError as why:
+                # print('Can\'t stat', b_path, ':', why.args[1])
+                ok = 0
+
+            if ok:
+                a_type = stat.S_IFMT(a_stat.st_mode)
+                b_type = stat.S_IFMT(b_stat.st_mode)
+                if a_type != b_type:
+                    self.common_funny.append(x)
+                elif stat.S_ISDIR(a_type):
+                    self.common_dirs.append(x)
+                elif stat.S_ISREG(a_type):
+                    self.common_files.append(x)
+                else:
+                    self.common_funny.append(x)
+            else:
+                self.common_funny.append(x)
+
+    def phase3(self): # Find out differences between common files
+        xx = cmpfiles(self.left, self.right, self.common_files)
+        self.same_files, self.diff_files, self.funny_files = xx
+
+    def phase4(self): # Find out differences between common subdirectories
+        # A new dircmp object is created for each common subdirectory,
+        # these are stored in a dictionary indexed by filename.
+        # The hide and ignore properties are inherited from the parent
+        self.subdirs = {}
+        for x in self.common_dirs:
+            a_x = os.path.join(self.left, x)
+            b_x = os.path.join(self.right, x)
+            self.subdirs[x]  = dircmp(a_x, b_x, self.ignore, self.hide)
+
+    def phase4_closure(self): # Recursively call phase4() on subdirectories
+        self.phase4()
+        for sd in self.subdirs.values():
+            sd.phase4_closure()
+
+    def report(self): # Print a report on the differences between a and b
+        # Output format is purposely lousy
+        print('diff', self.left, self.right)
+        if self.left_only:
+            self.left_only.sort()
+            print('Only in', self.left, ':', self.left_only)
+        if self.right_only:
+            self.right_only.sort()
+            print('Only in', self.right, ':', self.right_only)
+        if self.same_files:
+            self.same_files.sort()
+            print('Identical files :', self.same_files)
+        if self.diff_files:
+            self.diff_files.sort()
+            print('Differing files :', self.diff_files)
+        if self.funny_files:
+            self.funny_files.sort()
+            print('Trouble with common files :', self.funny_files)
+        if self.common_dirs:
+            self.common_dirs.sort()
+            print('Common subdirectories :', self.common_dirs)
+        if self.common_funny:
+            self.common_funny.sort()
+            print('Common funny cases :', self.common_funny)
+
+    def report_partial_closure(self): # Print reports on self and on subdirs
+        self.report()
+        for sd in self.subdirs.values():
+            print()
+            sd.report()
+
+    def report_full_closure(self): # Report on self and subdirs recursively
+        self.report()
+        for sd in self.subdirs.values():
+            print()
+            sd.report_full_closure()
+
+    methodmap = dict(subdirs=phase4,
+                     same_files=phase3, diff_files=phase3, funny_files=phase3,
+                     common_dirs = phase2, common_files=phase2, common_funny=phase2,
+                     common=phase1, left_only=phase1, right_only=phase1,
+                     left_list=phase0, right_list=phase0)
+
+    def __getattr__(self, attr):
+        if attr not in self.methodmap:
+            raise AttributeError(attr)
+        self.methodmap[attr](self)
+        return getattr(self, attr)
+
+def cmpfiles(a, b, common, shallow=True):
+    """Compare common files in two directories.
+
+    a, b -- directory names
+    common -- list of file names found in both directories
+    shallow -- if true, do comparison based solely on stat() information
+
+    Returns a tuple of three lists:
+      files that compare equal
+      files that are different
+      filenames that aren't regular files.
+
+    """
+    res = ([], [], [])
+    for x in common:
+        ax = os.path.join(a, x)
+        bx = os.path.join(b, x)
+        res[_cmp(ax, bx, shallow)].append(x)
+    return res
+
+
+# Compare two files.
+# Return:
+#       0 for equal
+#       1 for different
+#       2 for funny cases (can't stat, etc.)
+#
+def _cmp(a, b, sh, abs=abs, cmp=cmp):
+    try:
+        return not abs(cmp(a, b, sh))
+    except OSError:
+        return 2
+
+
+# Return a copy with items that occur in skip removed.
+#
+def _filter(flist, skip):
+    return list(filterfalse(skip.__contains__, flist))
+
+
+# Demonstration and testing.
+#
+def demo():
+    import sys
+    import getopt
+    options, args = getopt.getopt(sys.argv[1:], 'r')
+    if len(args) != 2:
+        raise getopt.GetoptError('need exactly two args', None)
+    dd = dircmp(args[0], args[1])
+    if ('-r', '') in options:
+        dd.report_full_closure()
+    else:
+        dd.report()
+
+if __name__ == '__main__':
+    demo()

my_container_sandbox/workspace/anaconda3/lib/python3.8/formatter.py

@@ -0,0 +1,452 @@
+"""Generic output formatting.
+
+Formatter objects transform an abstract flow of formatting events into
+specific output events on writer objects. Formatters manage several stack
+structures to allow various properties of a writer object to be changed and
+restored; writers need not be able to handle relative changes nor any sort
+of ``change back'' operation. Specific writer properties which may be
+controlled via formatter objects are horizontal alignment, font, and left
+margin indentations. A mechanism is provided which supports providing
+arbitrary, non-exclusive style settings to a writer as well. Additional
+interfaces facilitate formatting events which are not reversible, such as
+paragraph separation.
+
+Writer objects encapsulate device interfaces. Abstract devices, such as
+file formats, are supported as well as physical devices. The provided
+implementations all work with abstract devices. The interface makes
+available mechanisms for setting the properties which formatter objects
+manage and inserting data into the output.
+"""
+
+import sys
+import warnings
+warnings.warn('the formatter module is deprecated', DeprecationWarning,
+              stacklevel=2)
+
+
+AS_IS = None
+
+
+class NullFormatter:
+    """A formatter which does nothing.
+
+    If the writer parameter is omitted, a NullWriter instance is created.
+    No methods of the writer are called by NullFormatter instances.
+
+    Implementations should inherit from this class if implementing a writer
+    interface but don't need to inherit any implementation.
+
+    """
+
+    def __init__(self, writer=None):
+        if writer is None:
+            writer = NullWriter()
+        self.writer = writer
+    def end_paragraph(self, blankline): pass
+    def add_line_break(self): pass
+    def add_hor_rule(self, *args, **kw): pass
+    def add_label_data(self, format, counter, blankline=None): pass
+    def add_flowing_data(self, data): pass
+    def add_literal_data(self, data): pass
+    def flush_softspace(self): pass
+    def push_alignment(self, align): pass
+    def pop_alignment(self): pass
+    def push_font(self, x): pass
+    def pop_font(self): pass
+    def push_margin(self, margin): pass
+    def pop_margin(self): pass
+    def set_spacing(self, spacing): pass
+    def push_style(self, *styles): pass
+    def pop_style(self, n=1): pass
+    def assert_line_data(self, flag=1): pass
+
+
+class AbstractFormatter:
+    """The standard formatter.
+
+    This implementation has demonstrated wide applicability to many writers,
+    and may be used directly in most circumstances.  It has been used to
+    implement a full-featured World Wide Web browser.
+
+    """
+
+    #  Space handling policy:  blank spaces at the boundary between elements
+    #  are handled by the outermost context.  "Literal" data is not checked
+    #  to determine context, so spaces in literal data are handled directly
+    #  in all circumstances.
+
+    def __init__(self, writer):
+        self.writer = writer            # Output device
+        self.align = None               # Current alignment
+        self.align_stack = []           # Alignment stack
+        self.font_stack = []            # Font state
+        self.margin_stack = []          # Margin state
+        self.spacing = None             # Vertical spacing state
+        self.style_stack = []           # Other state, e.g. color
+        self.nospace = 1                # Should leading space be suppressed
+        self.softspace = 0              # Should a space be inserted
+        self.para_end = 1               # Just ended a paragraph
+        self.parskip = 0                # Skipped space between paragraphs?
+        self.hard_break = 1             # Have a hard break
+        self.have_label = 0
+
+    def end_paragraph(self, blankline):
+        if not self.hard_break:
+            self.writer.send_line_break()
+            self.have_label = 0
+        if self.parskip < blankline and not self.have_label:
+            self.writer.send_paragraph(blankline - self.parskip)
+            self.parskip = blankline
+            self.have_label = 0
+        self.hard_break = self.nospace = self.para_end = 1
+        self.softspace = 0
+
+    def add_line_break(self):
+        if not (self.hard_break or self.para_end):
+            self.writer.send_line_break()
+            self.have_label = self.parskip = 0
+        self.hard_break = self.nospace = 1
+        self.softspace = 0
+
+    def add_hor_rule(self, *args, **kw):
+        if not self.hard_break:
+            self.writer.send_line_break()
+        self.writer.send_hor_rule(*args, **kw)
+        self.hard_break = self.nospace = 1
+        self.have_label = self.para_end = self.softspace = self.parskip = 0
+
+    def add_label_data(self, format, counter, blankline = None):
+        if self.have_label or not self.hard_break:
+            self.writer.send_line_break()
+        if not self.para_end:
+            self.writer.send_paragraph((blankline and 1) or 0)
+        if isinstance(format, str):
+            self.writer.send_label_data(self.format_counter(format, counter))
+        else:
+            self.writer.send_label_data(format)
+        self.nospace = self.have_label = self.hard_break = self.para_end = 1
+        self.softspace = self.parskip = 0
+
+    def format_counter(self, format, counter):
+        label = ''
+        for c in format:
+            if c == '1':
+                label = label + ('%d' % counter)
+            elif c in 'aA':
+                if counter > 0:
+                    label = label + self.format_letter(c, counter)
+            elif c in 'iI':
+                if counter > 0:
+                    label = label + self.format_roman(c, counter)
+            else:
+                label = label + c
+        return label
+
+    def format_letter(self, case, counter):
+        label = ''
+        while counter > 0:
+            counter, x = divmod(counter-1, 26)
+            # This makes a strong assumption that lowercase letters
+            # and uppercase letters form two contiguous blocks, with
+            # letters in order!
+            s = chr(ord(case) + x)
+            label = s + label
+        return label
+
+    def format_roman(self, case, counter):
+        ones = ['i', 'x', 'c', 'm']
+        fives = ['v', 'l', 'd']
+        label, index = '', 0
+        # This will die of IndexError when counter is too big
+        while counter > 0:
+            counter, x = divmod(counter, 10)
+            if x == 9:
+                label = ones[index] + ones[index+1] + label
+            elif x == 4:
+                label = ones[index] + fives[index] + label
+            else:
+                if x >= 5:
+                    s = fives[index]
+                    x = x-5
+                else:
+                    s = ''
+                s = s + ones[index]*x
+                label = s + label
+            index = index + 1
+        if case == 'I':
+            return label.upper()
+        return label
+
+    def add_flowing_data(self, data):
+        if not data: return
+        prespace = data[:1].isspace()
+        postspace = data[-1:].isspace()
+        data = " ".join(data.split())
+        if self.nospace and not data:
+            return
+        elif prespace or self.softspace:
+            if not data:
+                if not self.nospace:
+                    self.softspace = 1
+                    self.parskip = 0
+                return
+            if not self.nospace:
+                data = ' ' + data
+        self.hard_break = self.nospace = self.para_end = \
+                          self.parskip = self.have_label = 0
+        self.softspace = postspace
+        self.writer.send_flowing_data(data)
+
+    def add_literal_data(self, data):
+        if not data: return
+        if self.softspace:
+            self.writer.send_flowing_data(" ")
+        self.hard_break = data[-1:] == '\n'
+        self.nospace = self.para_end = self.softspace = \
+                       self.parskip = self.have_label = 0
+        self.writer.send_literal_data(data)
+
+    def flush_softspace(self):
+        if self.softspace:
+            self.hard_break = self.para_end = self.parskip = \
+                              self.have_label = self.softspace = 0
+            self.nospace = 1
+            self.writer.send_flowing_data(' ')
+
+    def push_alignment(self, align):
+        if align and align != self.align:
+            self.writer.new_alignment(align)
+            self.align = align
+            self.align_stack.append(align)
+        else:
+            self.align_stack.append(self.align)
+
+    def pop_alignment(self):
+        if self.align_stack:
+            del self.align_stack[-1]
+        if self.align_stack:
+            self.align = align = self.align_stack[-1]
+            self.writer.new_alignment(align)
+        else:
+            self.align = None
+            self.writer.new_alignment(None)
+
+    def push_font(self, font):
+        size, i, b, tt = font
+        if self.softspace:
+            self.hard_break = self.para_end = self.softspace = 0
+            self.nospace = 1
+            self.writer.send_flowing_data(' ')
+        if self.font_stack:
+            csize, ci, cb, ctt = self.font_stack[-1]
+            if size is AS_IS: size = csize
+            if i is AS_IS: i = ci
+            if b is AS_IS: b = cb
+            if tt is AS_IS: tt = ctt
+        font = (size, i, b, tt)
+        self.font_stack.append(font)
+        self.writer.new_font(font)
+
+    def pop_font(self):
+        if self.font_stack:
+            del self.font_stack[-1]
+        if self.font_stack:
+            font = self.font_stack[-1]
+        else:
+            font = None
+        self.writer.new_font(font)
+
+    def push_margin(self, margin):
+        self.margin_stack.append(margin)
+        fstack = [m for m in self.margin_stack if m]
+        if not margin and fstack:
+            margin = fstack[-1]
+        self.writer.new_margin(margin, len(fstack))
+
+    def pop_margin(self):
+        if self.margin_stack:
+            del self.margin_stack[-1]
+        fstack = [m for m in self.margin_stack if m]
+        if fstack:
+            margin = fstack[-1]
+        else:
+            margin = None
+        self.writer.new_margin(margin, len(fstack))
+
+    def set_spacing(self, spacing):
+        self.spacing = spacing
+        self.writer.new_spacing(spacing)
+
+    def push_style(self, *styles):
+        if self.softspace:
+            self.hard_break = self.para_end = self.softspace = 0
+            self.nospace = 1
+            self.writer.send_flowing_data(' ')
+        for style in styles:
+            self.style_stack.append(style)
+        self.writer.new_styles(tuple(self.style_stack))
+
+    def pop_style(self, n=1):
+        del self.style_stack[-n:]
+        self.writer.new_styles(tuple(self.style_stack))
+
+    def assert_line_data(self, flag=1):
+        self.nospace = self.hard_break = not flag
+        self.para_end = self.parskip = self.have_label = 0
+
+
+class NullWriter:
+    """Minimal writer interface to use in testing & inheritance.
+
+    A writer which only provides the interface definition; no actions are
+    taken on any methods.  This should be the base class for all writers
+    which do not need to inherit any implementation methods.
+
+    """
+    def __init__(self): pass
+    def flush(self): pass
+    def new_alignment(self, align): pass
+    def new_font(self, font): pass
+    def new_margin(self, margin, level): pass
+    def new_spacing(self, spacing): pass
+    def new_styles(self, styles): pass
+    def send_paragraph(self, blankline): pass
+    def send_line_break(self): pass
+    def send_hor_rule(self, *args, **kw): pass
+    def send_label_data(self, data): pass
+    def send_flowing_data(self, data): pass
+    def send_literal_data(self, data): pass
+
+
+class AbstractWriter(NullWriter):
+    """A writer which can be used in debugging formatters, but not much else.
+
+    Each method simply announces itself by printing its name and
+    arguments on standard output.
+
+    """
+
+    def new_alignment(self, align):
+        print("new_alignment(%r)" % (align,))
+
+    def new_font(self, font):
+        print("new_font(%r)" % (font,))
+
+    def new_margin(self, margin, level):
+        print("new_margin(%r, %d)" % (margin, level))
+
+    def new_spacing(self, spacing):
+        print("new_spacing(%r)" % (spacing,))
+
+    def new_styles(self, styles):
+        print("new_styles(%r)" % (styles,))
+
+    def send_paragraph(self, blankline):
+        print("send_paragraph(%r)" % (blankline,))
+
+    def send_line_break(self):
+        print("send_line_break()")
+
+    def send_hor_rule(self, *args, **kw):
+        print("send_hor_rule()")
+
+    def send_label_data(self, data):
+        print("send_label_data(%r)" % (data,))
+
+    def send_flowing_data(self, data):
+        print("send_flowing_data(%r)" % (data,))
+
+    def send_literal_data(self, data):
+        print("send_literal_data(%r)" % (data,))
+
+
+class DumbWriter(NullWriter):
+    """Simple writer class which writes output on the file object passed in
+    as the file parameter or, if file is omitted, on standard output.  The
+    output is simply word-wrapped to the number of columns specified by
+    the maxcol parameter.  This class is suitable for reflowing a sequence
+    of paragraphs.
+
+    """
+
+    def __init__(self, file=None, maxcol=72):
+        self.file = file or sys.stdout
+        self.maxcol = maxcol
+        NullWriter.__init__(self)
+        self.reset()
+
+    def reset(self):
+        self.col = 0
+        self.atbreak = 0
+
+    def send_paragraph(self, blankline):
+        self.file.write('\n'*blankline)
+        self.col = 0
+        self.atbreak = 0
+
+    def send_line_break(self):
+        self.file.write('\n')
+        self.col = 0
+        self.atbreak = 0
+
+    def send_hor_rule(self, *args, **kw):
+        self.file.write('\n')
+        self.file.write('-'*self.maxcol)
+        self.file.write('\n')
+        self.col = 0
+        self.atbreak = 0
+
+    def send_literal_data(self, data):
+        self.file.write(data)
+        i = data.rfind('\n')
+        if i >= 0:
+            self.col = 0
+            data = data[i+1:]
+        data = data.expandtabs()
+        self.col = self.col + len(data)
+        self.atbreak = 0
+
+    def send_flowing_data(self, data):
+        if not data: return
+        atbreak = self.atbreak or data[0].isspace()
+        col = self.col
+        maxcol = self.maxcol
+        write = self.file.write
+        for word in data.split():
+            if atbreak:
+                if col + len(word) >= maxcol:
+                    write('\n')
+                    col = 0
+                else:
+                    write(' ')
+                    col = col + 1
+            write(word)
+            col = col + len(word)
+            atbreak = 1
+        self.col = col
+        self.atbreak = data[-1].isspace()
+
+
+def test(file = None):
+    w = DumbWriter()
+    f = AbstractFormatter(w)
+    if file is not None:
+        fp = open(file)
+    elif sys.argv[1:]:
+        fp = open(sys.argv[1])
+    else:
+        fp = sys.stdin
+    try:
+        for line in fp:
+            if line == '\n':
+                f.end_paragraph(1)
+            else:
+                f.add_flowing_data(line)
+    finally:
+        if fp is not sys.stdin:
+            fp.close()
+    f.end_paragraph(0)
+
+
+if __name__ == '__main__':
+    test()

my_container_sandbox/workspace/anaconda3/lib/python3.8/functools.py

@@ -0,0 +1,976 @@
+"""functools.py - Tools for working with functions and callable objects
+"""
+# Python module wrapper for _functools C module
+# to allow utilities written in Python to be added
+# to the functools module.
+# Written by Nick Coghlan <ncoghlan at gmail.com>,
+# Raymond Hettinger <python at rcn.com>,
+# and Łukasz Langa <lukasz at langa.pl>.
+#   Copyright (C) 2006-2013 Python Software Foundation.
+# See C source code for _functools credits/copyright
+
+__all__ = ['update_wrapper', 'wraps', 'WRAPPER_ASSIGNMENTS', 'WRAPPER_UPDATES',
+           'total_ordering', 'cmp_to_key', 'lru_cache', 'reduce', 'partial',
+           'partialmethod', 'singledispatch', 'singledispatchmethod',
+           "cached_property"]
+
+from abc import get_cache_token
+from collections import namedtuple
+# import types, weakref  # Deferred to single_dispatch()
+from reprlib import recursive_repr
+from _thread import RLock
+
+
+################################################################################
+### update_wrapper() and wraps() decorator
+################################################################################
+
+# update_wrapper() and wraps() are tools to help write
+# wrapper functions that can handle naive introspection
+
+WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__qualname__', '__doc__',
+                       '__annotations__')
+WRAPPER_UPDATES = ('__dict__',)
+def update_wrapper(wrapper,
+                   wrapped,
+                   assigned = WRAPPER_ASSIGNMENTS,
+                   updated = WRAPPER_UPDATES):
+    """Update a wrapper function to look like the wrapped function
+
+       wrapper is the function to be updated
+       wrapped is the original function
+       assigned is a tuple naming the attributes assigned directly
+       from the wrapped function to the wrapper function (defaults to
+       functools.WRAPPER_ASSIGNMENTS)
+       updated is a tuple naming the attributes of the wrapper that
+       are updated with the corresponding attribute from the wrapped
+       function (defaults to functools.WRAPPER_UPDATES)
+    """
+    for attr in assigned:
+        try:
+            value = getattr(wrapped, attr)
+        except AttributeError:
+            pass
+        else:
+            setattr(wrapper, attr, value)
+    for attr in updated:
+        getattr(wrapper, attr).update(getattr(wrapped, attr, {}))
+    # Issue #17482: set __wrapped__ last so we don't inadvertently copy it
+    # from the wrapped function when updating __dict__
+    wrapper.__wrapped__ = wrapped
+    # Return the wrapper so this can be used as a decorator via partial()
+    return wrapper
+
+def wraps(wrapped,
+          assigned = WRAPPER_ASSIGNMENTS,
+          updated = WRAPPER_UPDATES):
+    """Decorator factory to apply update_wrapper() to a wrapper function
+
+       Returns a decorator that invokes update_wrapper() with the decorated
+       function as the wrapper argument and the arguments to wraps() as the
+       remaining arguments. Default arguments are as for update_wrapper().
+       This is a convenience function to simplify applying partial() to
+       update_wrapper().
+    """
+    return partial(update_wrapper, wrapped=wrapped,
+                   assigned=assigned, updated=updated)
+
+
+################################################################################
+### total_ordering class decorator
+################################################################################
+
+# The total ordering functions all invoke the root magic method directly
+# rather than using the corresponding operator.  This avoids possible
+# infinite recursion that could occur when the operator dispatch logic
+# detects a NotImplemented result and then calls a reflected method.
+
+def _gt_from_lt(self, other, NotImplemented=NotImplemented):
+    'Return a > b.  Computed by @total_ordering from (not a < b) and (a != b).'
+    op_result = self.__lt__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result and self != other
+
+def _le_from_lt(self, other, NotImplemented=NotImplemented):
+    'Return a <= b.  Computed by @total_ordering from (a < b) or (a == b).'
+    op_result = self.__lt__(other)
+    return op_result or self == other
+
+def _ge_from_lt(self, other, NotImplemented=NotImplemented):
+    'Return a >= b.  Computed by @total_ordering from (not a < b).'
+    op_result = self.__lt__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result
+
+def _ge_from_le(self, other, NotImplemented=NotImplemented):
+    'Return a >= b.  Computed by @total_ordering from (not a <= b) or (a == b).'
+    op_result = self.__le__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result or self == other
+
+def _lt_from_le(self, other, NotImplemented=NotImplemented):
+    'Return a < b.  Computed by @total_ordering from (a <= b) and (a != b).'
+    op_result = self.__le__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return op_result and self != other
+
+def _gt_from_le(self, other, NotImplemented=NotImplemented):
+    'Return a > b.  Computed by @total_ordering from (not a <= b).'
+    op_result = self.__le__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result
+
+def _lt_from_gt(self, other, NotImplemented=NotImplemented):
+    'Return a < b.  Computed by @total_ordering from (not a > b) and (a != b).'
+    op_result = self.__gt__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result and self != other
+
+def _ge_from_gt(self, other, NotImplemented=NotImplemented):
+    'Return a >= b.  Computed by @total_ordering from (a > b) or (a == b).'
+    op_result = self.__gt__(other)
+    return op_result or self == other
+
+def _le_from_gt(self, other, NotImplemented=NotImplemented):
+    'Return a <= b.  Computed by @total_ordering from (not a > b).'
+    op_result = self.__gt__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result
+
+def _le_from_ge(self, other, NotImplemented=NotImplemented):
+    'Return a <= b.  Computed by @total_ordering from (not a >= b) or (a == b).'
+    op_result = self.__ge__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result or self == other
+
+def _gt_from_ge(self, other, NotImplemented=NotImplemented):
+    'Return a > b.  Computed by @total_ordering from (a >= b) and (a != b).'
+    op_result = self.__ge__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return op_result and self != other
+
+def _lt_from_ge(self, other, NotImplemented=NotImplemented):
+    'Return a < b.  Computed by @total_ordering from (not a >= b).'
+    op_result = self.__ge__(other)
+    if op_result is NotImplemented:
+        return op_result
+    return not op_result
+
+_convert = {
+    '__lt__': [('__gt__', _gt_from_lt),
+               ('__le__', _le_from_lt),
+               ('__ge__', _ge_from_lt)],
+    '__le__': [('__ge__', _ge_from_le),
+               ('__lt__', _lt_from_le),
+               ('__gt__', _gt_from_le)],
+    '__gt__': [('__lt__', _lt_from_gt),
+               ('__ge__', _ge_from_gt),
+               ('__le__', _le_from_gt)],
+    '__ge__': [('__le__', _le_from_ge),
+               ('__gt__', _gt_from_ge),
+               ('__lt__', _lt_from_ge)]
+}
+
+def total_ordering(cls):
+    """Class decorator that fills in missing ordering methods"""
+    # Find user-defined comparisons (not those inherited from object).
+    roots = {op for op in _convert if getattr(cls, op, None) is not getattr(object, op, None)}
+    if not roots:
+        raise ValueError('must define at least one ordering operation: < > <= >=')
+    root = max(roots)       # prefer __lt__ to __le__ to __gt__ to __ge__
+    for opname, opfunc in _convert[root]:
+        if opname not in roots:
+            opfunc.__name__ = opname
+            setattr(cls, opname, opfunc)
+    return cls
+
+
+################################################################################
+### cmp_to_key() function converter
+################################################################################
+
+def cmp_to_key(mycmp):
+    """Convert a cmp= function into a key= function"""
+    class K(object):
+        __slots__ = ['obj']
+        def __init__(self, obj):
+            self.obj = obj
+        def __lt__(self, other):
+            return mycmp(self.obj, other.obj) < 0
+        def __gt__(self, other):
+            return mycmp(self.obj, other.obj) > 0
+        def __eq__(self, other):
+            return mycmp(self.obj, other.obj) == 0
+        def __le__(self, other):
+            return mycmp(self.obj, other.obj) <= 0
+        def __ge__(self, other):
+            return mycmp(self.obj, other.obj) >= 0
+        __hash__ = None
+    return K
+
+try:
+    from _functools import cmp_to_key
+except ImportError:
+    pass
+
+
+################################################################################
+### reduce() sequence to a single item
+################################################################################
+
+_initial_missing = object()
+
+def reduce(function, sequence, initial=_initial_missing):
+    """
+    reduce(function, sequence[, initial]) -> value
+
+    Apply a function of two arguments cumulatively to the items of a sequence,
+    from left to right, so as to reduce the sequence to a single value.
+    For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates
+    ((((1+2)+3)+4)+5).  If initial is present, it is placed before the items
+    of the sequence in the calculation, and serves as a default when the
+    sequence is empty.
+    """
+
+    it = iter(sequence)
+
+    if initial is _initial_missing:
+        try:
+            value = next(it)
+        except StopIteration:
+            raise TypeError("reduce() of empty sequence with no initial value") from None
+    else:
+        value = initial
+
+    for element in it:
+        value = function(value, element)
+
+    return value
+
+try:
+    from _functools import reduce
+except ImportError:
+    pass
+
+
+################################################################################
+### partial() argument application
+################################################################################
+
+# Purely functional, no descriptor behaviour
+class partial:
+    """New function with partial application of the given arguments
+    and keywords.
+    """
+
+    __slots__ = "func", "args", "keywords", "__dict__", "__weakref__"
+
+    def __new__(cls, func, /, *args, **keywords):
+        if not callable(func):
+            raise TypeError("the first argument must be callable")
+
+        if hasattr(func, "func"):
+            args = func.args + args
+            keywords = {**func.keywords, **keywords}
+            func = func.func
+
+        self = super(partial, cls).__new__(cls)
+
+        self.func = func
+        self.args = args
+        self.keywords = keywords
+        return self
+
+    def __call__(self, /, *args, **keywords):
+        keywords = {**self.keywords, **keywords}
+        return self.func(*self.args, *args, **keywords)
+
+    @recursive_repr()
+    def __repr__(self):
+        qualname = type(self).__qualname__
+        args = [repr(self.func)]
+        args.extend(repr(x) for x in self.args)
+        args.extend(f"{k}={v!r}" for (k, v) in self.keywords.items())
+        if type(self).__module__ == "functools":
+            return f"functools.{qualname}({', '.join(args)})"
+        return f"{qualname}({', '.join(args)})"
+
+    def __reduce__(self):
+        return type(self), (self.func,), (self.func, self.args,
+               self.keywords or None, self.__dict__ or None)
+
+    def __setstate__(self, state):
+        if not isinstance(state, tuple):
+            raise TypeError("argument to __setstate__ must be a tuple")
+        if len(state) != 4:
+            raise TypeError(f"expected 4 items in state, got {len(state)}")
+        func, args, kwds, namespace = state
+        if (not callable(func) or not isinstance(args, tuple) or
+           (kwds is not None and not isinstance(kwds, dict)) or
+           (namespace is not None and not isinstance(namespace, dict))):
+            raise TypeError("invalid partial state")
+
+        args = tuple(args) # just in case it's a subclass
+        if kwds is None:
+            kwds = {}
+        elif type(kwds) is not dict: # XXX does it need to be *exactly* dict?
+            kwds = dict(kwds)
+        if namespace is None:
+            namespace = {}
+
+        self.__dict__ = namespace
+        self.func = func
+        self.args = args
+        self.keywords = kwds
+
+try:
+    from _functools import partial
+except ImportError:
+    pass
+
+# Descriptor version
+class partialmethod(object):
+    """Method descriptor with partial application of the given arguments
+    and keywords.
+
+    Supports wrapping existing descriptors and handles non-descriptor
+    callables as instance methods.
+    """
+
+    def __init__(*args, **keywords):
+        if len(args) >= 2:
+            self, func, *args = args
+        elif not args:
+            raise TypeError("descriptor '__init__' of partialmethod "
+                            "needs an argument")
+        elif 'func' in keywords:
+            func = keywords.pop('func')
+            self, *args = args
+            import warnings
+            warnings.warn("Passing 'func' as keyword argument is deprecated",
+                          DeprecationWarning, stacklevel=2)
+        else:
+            raise TypeError("type 'partialmethod' takes at least one argument, "
+                            "got %d" % (len(args)-1))
+        args = tuple(args)
+
+        if not callable(func) and not hasattr(func, "__get__"):
+            raise TypeError("{!r} is not callable or a descriptor"
+                                 .format(func))
+
+        # func could be a descriptor like classmethod which isn't callable,
+        # so we can't inherit from partial (it verifies func is callable)
+        if isinstance(func, partialmethod):
+            # flattening is mandatory in order to place cls/self before all
+            # other arguments
+            # it's also more efficient since only one function will be called
+            self.func = func.func
+            self.args = func.args + args
+            self.keywords = {**func.keywords, **keywords}
+        else:
+            self.func = func
+            self.args = args
+            self.keywords = keywords
+    __init__.__text_signature__ = '($self, func, /, *args, **keywords)'
+
+    def __repr__(self):
+        args = ", ".join(map(repr, self.args))
+        keywords = ", ".join("{}={!r}".format(k, v)
+                                 for k, v in self.keywords.items())
+        format_string = "{module}.{cls}({func}, {args}, {keywords})"
+        return format_string.format(module=self.__class__.__module__,
+                                    cls=self.__class__.__qualname__,
+                                    func=self.func,
+                                    args=args,
+                                    keywords=keywords)
+
+    def _make_unbound_method(self):
+        def _method(cls_or_self, /, *args, **keywords):
+            keywords = {**self.keywords, **keywords}
+            return self.func(cls_or_self, *self.args, *args, **keywords)
+        _method.__isabstractmethod__ = self.__isabstractmethod__
+        _method._partialmethod = self
+        return _method
+
+    def __get__(self, obj, cls=None):
+        get = getattr(self.func, "__get__", None)
+        result = None
+        if get is not None:
+            new_func = get(obj, cls)
+            if new_func is not self.func:
+                # Assume __get__ returning something new indicates the
+                # creation of an appropriate callable
+                result = partial(new_func, *self.args, **self.keywords)
+                try:
+                    result.__self__ = new_func.__self__
+                except AttributeError:
+                    pass
+        if result is None:
+            # If the underlying descriptor didn't do anything, treat this
+            # like an instance method
+            result = self._make_unbound_method().__get__(obj, cls)
+        return result
+
+    @property
+    def __isabstractmethod__(self):
+        return getattr(self.func, "__isabstractmethod__", False)
+
+# Helper functions
+
+def _unwrap_partial(func):
+    while isinstance(func, partial):
+        func = func.func
+    return func
+
+################################################################################
+### LRU Cache function decorator
+################################################################################
+
+_CacheInfo = namedtuple("CacheInfo", ["hits", "misses", "maxsize", "currsize"])
+
+class _HashedSeq(list):
+    """ This class guarantees that hash() will be called no more than once
+        per element.  This is important because the lru_cache() will hash
+        the key multiple times on a cache miss.
+
+    """
+
+    __slots__ = 'hashvalue'
+
+    def __init__(self, tup, hash=hash):
+        self[:] = tup
+        self.hashvalue = hash(tup)
+
+    def __hash__(self):
+        return self.hashvalue
+
+def _make_key(args, kwds, typed,
+             kwd_mark = (object(),),
+             fasttypes = {int, str},
+             tuple=tuple, type=type, len=len):
+    """Make a cache key from optionally typed positional and keyword arguments
+
+    The key is constructed in a way that is flat as possible rather than
+    as a nested structure that would take more memory.
+
+    If there is only a single argument and its data type is known to cache
+    its hash value, then that argument is returned without a wrapper.  This
+    saves space and improves lookup speed.
+
+    """
+    # All of code below relies on kwds preserving the order input by the user.
+    # Formerly, we sorted() the kwds before looping.  The new way is *much*
+    # faster; however, it means that f(x=1, y=2) will now be treated as a
+    # distinct call from f(y=2, x=1) which will be cached separately.
+    key = args
+    if kwds:
+        key += kwd_mark
+        for item in kwds.items():
+            key += item
+    if typed:
+        key += tuple(type(v) for v in args)
+        if kwds:
+            key += tuple(type(v) for v in kwds.values())
+    elif len(key) == 1 and type(key[0]) in fasttypes:
+        return key[0]
+    return _HashedSeq(key)
+
+def lru_cache(maxsize=128, typed=False):
+    """Least-recently-used cache decorator.
+
+    If *maxsize* is set to None, the LRU features are disabled and the cache
+    can grow without bound.
+
+    If *typed* is True, arguments of different types will be cached separately.
+    For example, f(3.0) and f(3) will be treated as distinct calls with
+    distinct results.
+
+    Arguments to the cached function must be hashable.
+
+    View the cache statistics named tuple (hits, misses, maxsize, currsize)
+    with f.cache_info().  Clear the cache and statistics with f.cache_clear().
+    Access the underlying function with f.__wrapped__.
+
+    See:  http://en.wikipedia.org/wiki/Cache_replacement_policies#Least_recently_used_(LRU)
+
+    """
+
+    # Users should only access the lru_cache through its public API:
+    #       cache_info, cache_clear, and f.__wrapped__
+    # The internals of the lru_cache are encapsulated for thread safety and
+    # to allow the implementation to change (including a possible C version).
+
+    if isinstance(maxsize, int):
+        # Negative maxsize is treated as 0
+        if maxsize < 0:
+            maxsize = 0
+    elif callable(maxsize) and isinstance(typed, bool):
+        # The user_function was passed in directly via the maxsize argument
+        user_function, maxsize = maxsize, 128
+        wrapper = _lru_cache_wrapper(user_function, maxsize, typed, _CacheInfo)
+        return update_wrapper(wrapper, user_function)
+    elif maxsize is not None:
+        raise TypeError(
+            'Expected first argument to be an integer, a callable, or None')
+
+    def decorating_function(user_function):
+        wrapper = _lru_cache_wrapper(user_function, maxsize, typed, _CacheInfo)
+        return update_wrapper(wrapper, user_function)
+
+    return decorating_function
+
+def _lru_cache_wrapper(user_function, maxsize, typed, _CacheInfo):
+    # Constants shared by all lru cache instances:
+    sentinel = object()          # unique object used to signal cache misses
+    make_key = _make_key         # build a key from the function arguments
+    PREV, NEXT, KEY, RESULT = 0, 1, 2, 3   # names for the link fields
+
+    cache = {}
+    hits = misses = 0
+    full = False
+    cache_get = cache.get    # bound method to lookup a key or return None
+    cache_len = cache.__len__  # get cache size without calling len()
+    lock = RLock()           # because linkedlist updates aren't threadsafe
+    root = []                # root of the circular doubly linked list
+    root[:] = [root, root, None, None]     # initialize by pointing to self
+
+    if maxsize == 0:
+
+        def wrapper(*args, **kwds):
+            # No caching -- just a statistics update
+            nonlocal misses
+            misses += 1
+            result = user_function(*args, **kwds)
+            return result
+
+    elif maxsize is None:
+
+        def wrapper(*args, **kwds):
+            # Simple caching without ordering or size limit
+            nonlocal hits, misses
+            key = make_key(args, kwds, typed)
+            result = cache_get(key, sentinel)
+            if result is not sentinel:
+                hits += 1
+                return result
+            misses += 1
+            result = user_function(*args, **kwds)
+            cache[key] = result
+            return result
+
+    else:
+
+        def wrapper(*args, **kwds):
+            # Size limited caching that tracks accesses by recency
+            nonlocal root, hits, misses, full
+            key = make_key(args, kwds, typed)
+            with lock:
+                link = cache_get(key)
+                if link is not None:
+                    # Move the link to the front of the circular queue
+                    link_prev, link_next, _key, result = link
+                    link_prev[NEXT] = link_next
+                    link_next[PREV] = link_prev
+                    last = root[PREV]
+                    last[NEXT] = root[PREV] = link
+                    link[PREV] = last
+                    link[NEXT] = root
+                    hits += 1
+                    return result
+                misses += 1
+            result = user_function(*args, **kwds)
+            with lock:
+                if key in cache:
+                    # Getting here means that this same key was added to the
+                    # cache while the lock was released.  Since the link
+                    # update is already done, we need only return the
+                    # computed result and update the count of misses.
+                    pass
+                elif full:
+                    # Use the old root to store the new key and result.
+                    oldroot = root
+                    oldroot[KEY] = key
+                    oldroot[RESULT] = result
+                    # Empty the oldest link and make it the new root.
+                    # Keep a reference to the old key and old result to
+                    # prevent their ref counts from going to zero during the
+                    # update. That will prevent potentially arbitrary object
+                    # clean-up code (i.e. __del__) from running while we're
+                    # still adjusting the links.
+                    root = oldroot[NEXT]
+                    oldkey = root[KEY]
+                    oldresult = root[RESULT]
+                    root[KEY] = root[RESULT] = None
+                    # Now update the cache dictionary.
+                    del cache[oldkey]
+                    # Save the potentially reentrant cache[key] assignment
+                    # for last, after the root and links have been put in
+                    # a consistent state.
+                    cache[key] = oldroot
+                else:
+                    # Put result in a new link at the front of the queue.
+                    last = root[PREV]
+                    link = [last, root, key, result]
+                    last[NEXT] = root[PREV] = cache[key] = link
+                    # Use the cache_len bound method instead of the len() function
+                    # which could potentially be wrapped in an lru_cache itself.
+                    full = (cache_len() >= maxsize)
+            return result
+
+    def cache_info():
+        """Report cache statistics"""
+        with lock:
+            return _CacheInfo(hits, misses, maxsize, cache_len())
+
+    def cache_clear():
+        """Clear the cache and cache statistics"""
+        nonlocal hits, misses, full
+        with lock:
+            cache.clear()
+            root[:] = [root, root, None, None]
+            hits = misses = 0
+            full = False
+
+    wrapper.cache_info = cache_info
+    wrapper.cache_clear = cache_clear
+    return wrapper
+
+try:
+    from _functools import _lru_cache_wrapper
+except ImportError:
+    pass
+
+
+################################################################################
+### singledispatch() - single-dispatch generic function decorator
+################################################################################
+
+def _c3_merge(sequences):
+    """Merges MROs in *sequences* to a single MRO using the C3 algorithm.
+
+    Adapted from http://www.python.org/download/releases/2.3/mro/.
+
+    """
+    result = []
+    while True:
+        sequences = [s for s in sequences if s]   # purge empty sequences
+        if not sequences:
+            return result
+        for s1 in sequences:   # find merge candidates among seq heads
+            candidate = s1[0]
+            for s2 in sequences:
+                if candidate in s2[1:]:
+                    candidate = None
+                    break      # reject the current head, it appears later
+            else:
+                break
+        if candidate is None:
+            raise RuntimeError("Inconsistent hierarchy")
+        result.append(candidate)
+        # remove the chosen candidate
+        for seq in sequences:
+            if seq[0] == candidate:
+                del seq[0]
+
+def _c3_mro(cls, abcs=None):
+    """Computes the method resolution order using extended C3 linearization.
+
+    If no *abcs* are given, the algorithm works exactly like the built-in C3
+    linearization used for method resolution.
+
+    If given, *abcs* is a list of abstract base classes that should be inserted
+    into the resulting MRO. Unrelated ABCs are ignored and don't end up in the
+    result. The algorithm inserts ABCs where their functionality is introduced,
+    i.e. issubclass(cls, abc) returns True for the class itself but returns
+    False for all its direct base classes. Implicit ABCs for a given class
+    (either registered or inferred from the presence of a special method like
+    __len__) are inserted directly after the last ABC explicitly listed in the
+    MRO of said class. If two implicit ABCs end up next to each other in the
+    resulting MRO, their ordering depends on the order of types in *abcs*.
+
+    """
+    for i, base in enumerate(reversed(cls.__bases__)):
+        if hasattr(base, '__abstractmethods__'):
+            boundary = len(cls.__bases__) - i
+            break   # Bases up to the last explicit ABC are considered first.
+    else:
+        boundary = 0
+    abcs = list(abcs) if abcs else []
+    explicit_bases = list(cls.__bases__[:boundary])
+    abstract_bases = []
+    other_bases = list(cls.__bases__[boundary:])
+    for base in abcs:
+        if issubclass(cls, base) and not any(
+                issubclass(b, base) for b in cls.__bases__
+            ):
+            # If *cls* is the class that introduces behaviour described by
+            # an ABC *base*, insert said ABC to its MRO.
+            abstract_bases.append(base)
+    for base in abstract_bases:
+        abcs.remove(base)
+    explicit_c3_mros = [_c3_mro(base, abcs=abcs) for base in explicit_bases]
+    abstract_c3_mros = [_c3_mro(base, abcs=abcs) for base in abstract_bases]
+    other_c3_mros = [_c3_mro(base, abcs=abcs) for base in other_bases]
+    return _c3_merge(
+        [[cls]] +
+        explicit_c3_mros + abstract_c3_mros + other_c3_mros +
+        [explicit_bases] + [abstract_bases] + [other_bases]
+    )
+
+def _compose_mro(cls, types):
+    """Calculates the method resolution order for a given class *cls*.
+
+    Includes relevant abstract base classes (with their respective bases) from
+    the *types* iterable. Uses a modified C3 linearization algorithm.
+
+    """
+    bases = set(cls.__mro__)
+    # Remove entries which are already present in the __mro__ or unrelated.
+    def is_related(typ):
+        return (typ not in bases and hasattr(typ, '__mro__')
+                                 and issubclass(cls, typ))
+    types = [n for n in types if is_related(n)]
+    # Remove entries which are strict bases of other entries (they will end up
+    # in the MRO anyway.
+    def is_strict_base(typ):
+        for other in types:
+            if typ != other and typ in other.__mro__:
+                return True
+        return False
+    types = [n for n in types if not is_strict_base(n)]
+    # Subclasses of the ABCs in *types* which are also implemented by
+    # *cls* can be used to stabilize ABC ordering.
+    type_set = set(types)
+    mro = []
+    for typ in types:
+        found = []
+        for sub in typ.__subclasses__():
+            if sub not in bases and issubclass(cls, sub):
+                found.append([s for s in sub.__mro__ if s in type_set])
+        if not found:
+            mro.append(typ)
+            continue
+        # Favor subclasses with the biggest number of useful bases
+        found.sort(key=len, reverse=True)
+        for sub in found:
+            for subcls in sub:
+                if subcls not in mro:
+                    mro.append(subcls)
+    return _c3_mro(cls, abcs=mro)
+
+def _find_impl(cls, registry):
+    """Returns the best matching implementation from *registry* for type *cls*.
+
+    Where there is no registered implementation for a specific type, its method
+    resolution order is used to find a more generic implementation.
+
+    Note: if *registry* does not contain an implementation for the base
+    *object* type, this function may return None.
+
+    """
+    mro = _compose_mro(cls, registry.keys())
+    match = None
+    for t in mro:
+        if match is not None:
+            # If *match* is an implicit ABC but there is another unrelated,
+            # equally matching implicit ABC, refuse the temptation to guess.
+            if (t in registry and t not in cls.__mro__
+                              and match not in cls.__mro__
+                              and not issubclass(match, t)):
+                raise RuntimeError("Ambiguous dispatch: {} or {}".format(
+                    match, t))
+            break
+        if t in registry:
+            match = t
+    return registry.get(match)
+
+def singledispatch(func):
+    """Single-dispatch generic function decorator.
+
+    Transforms a function into a generic function, which can have different
+    behaviours depending upon the type of its first argument. The decorated
+    function acts as the default implementation, and additional
+    implementations can be registered using the register() attribute of the
+    generic function.
+    """
+    # There are many programs that use functools without singledispatch, so we
+    # trade-off making singledispatch marginally slower for the benefit of
+    # making start-up of such applications slightly faster.
+    import types, weakref
+
+    registry = {}
+    dispatch_cache = weakref.WeakKeyDictionary()
+    cache_token = None
+
+    def dispatch(cls):
+        """generic_func.dispatch(cls) -> <function implementation>
+
+        Runs the dispatch algorithm to return the best available implementation
+        for the given *cls* registered on *generic_func*.
+
+        """
+        nonlocal cache_token
+        if cache_token is not None:
+            current_token = get_cache_token()
+            if cache_token != current_token:
+                dispatch_cache.clear()
+                cache_token = current_token
+        try:
+            impl = dispatch_cache[cls]
+        except KeyError:
+            try:
+                impl = registry[cls]
+            except KeyError:
+                impl = _find_impl(cls, registry)
+            dispatch_cache[cls] = impl
+        return impl
+
+    def register(cls, func=None):
+        """generic_func.register(cls, func) -> func
+
+        Registers a new implementation for the given *cls* on a *generic_func*.
+
+        """
+        nonlocal cache_token
+        if func is None:
+            if isinstance(cls, type):
+                return lambda f: register(cls, f)
+            ann = getattr(cls, '__annotations__', {})
+            if not ann:
+                raise TypeError(
+                    f"Invalid first argument to `register()`: {cls!r}. "
+                    f"Use either `@register(some_class)` or plain `@register` "
+                    f"on an annotated function."
+                )
+            func = cls
+
+            # only import typing if annotation parsing is necessary
+            from typing import get_type_hints
+            argname, cls = next(iter(get_type_hints(func).items()))
+            if not isinstance(cls, type):
+                raise TypeError(
+                    f"Invalid annotation for {argname!r}. "
+                    f"{cls!r} is not a class."
+                )
+        registry[cls] = func
+        if cache_token is None and hasattr(cls, '__abstractmethods__'):
+            cache_token = get_cache_token()
+        dispatch_cache.clear()
+        return func
+
+    def wrapper(*args, **kw):
+        if not args:
+            raise TypeError(f'{funcname} requires at least '
+                            '1 positional argument')
+
+        return dispatch(args[0].__class__)(*args, **kw)
+
+    funcname = getattr(func, '__name__', 'singledispatch function')
+    registry[object] = func
+    wrapper.register = register
+    wrapper.dispatch = dispatch
+    wrapper.registry = types.MappingProxyType(registry)
+    wrapper._clear_cache = dispatch_cache.clear
+    update_wrapper(wrapper, func)
+    return wrapper
+
+
+# Descriptor version
+class singledispatchmethod:
+    """Single-dispatch generic method descriptor.
+
+    Supports wrapping existing descriptors and handles non-descriptor
+    callables as instance methods.
+    """
+
+    def __init__(self, func):
+        if not callable(func) and not hasattr(func, "__get__"):
+            raise TypeError(f"{func!r} is not callable or a descriptor")
+
+        self.dispatcher = singledispatch(func)
+        self.func = func
+
+    def register(self, cls, method=None):
+        """generic_method.register(cls, func) -> func
+
+        Registers a new implementation for the given *cls* on a *generic_method*.
+        """
+        return self.dispatcher.register(cls, func=method)
+
+    def __get__(self, obj, cls=None):
+        def _method(*args, **kwargs):
+            method = self.dispatcher.dispatch(args[0].__class__)
+            return method.__get__(obj, cls)(*args, **kwargs)
+
+        _method.__isabstractmethod__ = self.__isabstractmethod__
+        _method.register = self.register
+        update_wrapper(_method, self.func)
+        return _method
+
+    @property
+    def __isabstractmethod__(self):
+        return getattr(self.func, '__isabstractmethod__', False)
+
+
+################################################################################
+### cached_property() - computed once per instance, cached as attribute
+################################################################################
+
+_NOT_FOUND = object()
+
+
+class cached_property:
+    def __init__(self, func):
+        self.func = func
+        self.attrname = None
+        self.__doc__ = func.__doc__
+        self.lock = RLock()
+
+    def __set_name__(self, owner, name):
+        if self.attrname is None:
+            self.attrname = name
+        elif name != self.attrname:
+            raise TypeError(
+                "Cannot assign the same cached_property to two different names "
+                f"({self.attrname!r} and {name!r})."
+            )
+
+    def __get__(self, instance, owner=None):
+        if instance is None:
+            return self
+        if self.attrname is None:
+            raise TypeError(
+                "Cannot use cached_property instance without calling __set_name__ on it.")
+        try:
+            cache = instance.__dict__
+        except AttributeError:  # not all objects have __dict__ (e.g. class defines slots)
+            msg = (
+                f"No '__dict__' attribute on {type(instance).__name__!r} "
+                f"instance to cache {self.attrname!r} property."
+            )
+            raise TypeError(msg) from None
+        val = cache.get(self.attrname, _NOT_FOUND)
+        if val is _NOT_FOUND:
+            with self.lock:
+                # check if another thread filled cache while we awaited lock
+                val = cache.get(self.attrname, _NOT_FOUND)
+                if val is _NOT_FOUND:
+                    val = self.func(instance)
+                    try:
+                        cache[self.attrname] = val
+                    except TypeError:
+                        msg = (
+                            f"The '__dict__' attribute on {type(instance).__name__!r} instance "
+                            f"does not support item assignment for caching {self.attrname!r} property."
+                        )
+                        raise TypeError(msg) from None
+        return val

my_container_sandbox/workspace/anaconda3/lib/python3.8/getpass.py

@@ -0,0 +1,185 @@
+"""Utilities to get a password and/or the current user name.
+
+getpass(prompt[, stream]) - Prompt for a password, with echo turned off.
+getuser() - Get the user name from the environment or password database.
+
+GetPassWarning - This UserWarning is issued when getpass() cannot prevent
+                 echoing of the password contents while reading.
+
+On Windows, the msvcrt module will be used.
+
+"""
+
+# Authors: Piers Lauder (original)
+#          Guido van Rossum (Windows support and cleanup)
+#          Gregory P. Smith (tty support & GetPassWarning)
+
+import contextlib
+import io
+import os
+import sys
+import warnings
+
+__all__ = ["getpass","getuser","GetPassWarning"]
+
+
+class GetPassWarning(UserWarning): pass
+
+
+def unix_getpass(prompt='Password: ', stream=None):
+    """Prompt for a password, with echo turned off.
+
+    Args:
+      prompt: Written on stream to ask for the input.  Default: 'Password: '
+      stream: A writable file object to display the prompt.  Defaults to
+              the tty.  If no tty is available defaults to sys.stderr.
+    Returns:
+      The seKr3t input.
+    Raises:
+      EOFError: If our input tty or stdin was closed.
+      GetPassWarning: When we were unable to turn echo off on the input.
+
+    Always restores terminal settings before returning.
+    """
+    passwd = None
+    with contextlib.ExitStack() as stack:
+        try:
+            # Always try reading and writing directly on the tty first.
+            fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
+            tty = io.FileIO(fd, 'w+')
+            stack.enter_context(tty)
+            input = io.TextIOWrapper(tty)
+            stack.enter_context(input)
+            if not stream:
+                stream = input
+        except OSError as e:
+            # If that fails, see if stdin can be controlled.
+            stack.close()
+            try:
+                fd = sys.stdin.fileno()
+            except (AttributeError, ValueError):
+                fd = None
+                passwd = fallback_getpass(prompt, stream)
+            input = sys.stdin
+            if not stream:
+                stream = sys.stderr
+
+        if fd is not None:
+            try:
+                old = termios.tcgetattr(fd)     # a copy to save
+                new = old[:]
+                new[3] &= ~termios.ECHO  # 3 == 'lflags'
+                tcsetattr_flags = termios.TCSAFLUSH
+                if hasattr(termios, 'TCSASOFT'):
+                    tcsetattr_flags |= termios.TCSASOFT
+                try:
+                    termios.tcsetattr(fd, tcsetattr_flags, new)
+                    passwd = _raw_input(prompt, stream, input=input)
+                finally:
+                    termios.tcsetattr(fd, tcsetattr_flags, old)
+                    stream.flush()  # issue7208
+            except termios.error:
+                if passwd is not None:
+                    # _raw_input succeeded.  The final tcsetattr failed.  Reraise
+                    # instead of leaving the terminal in an unknown state.
+                    raise
+                # We can't control the tty or stdin.  Give up and use normal IO.
+                # fallback_getpass() raises an appropriate warning.
+                if stream is not input:
+                    # clean up unused file objects before blocking
+                    stack.close()
+                passwd = fallback_getpass(prompt, stream)
+
+        stream.write('\n')
+        return passwd
+
+
+def win_getpass(prompt='Password: ', stream=None):
+    """Prompt for password with echo off, using Windows getch()."""
+    if sys.stdin is not sys.__stdin__:
+        return fallback_getpass(prompt, stream)
+
+    for c in prompt:
+        msvcrt.putwch(c)
+    pw = ""
+    while 1:
+        c = msvcrt.getwch()
+        if c == '\r' or c == '\n':
+            break
+        if c == '\003':
+            raise KeyboardInterrupt
+        if c == '\b':
+            pw = pw[:-1]
+        else:
+            pw = pw + c
+    msvcrt.putwch('\r')
+    msvcrt.putwch('\n')
+    return pw
+
+
+def fallback_getpass(prompt='Password: ', stream=None):
+    warnings.warn("Can not control echo on the terminal.", GetPassWarning,
+                  stacklevel=2)
+    if not stream:
+        stream = sys.stderr
+    print("Warning: Password input may be echoed.", file=stream)
+    return _raw_input(prompt, stream)
+
+
+def _raw_input(prompt="", stream=None, input=None):
+    # This doesn't save the string in the GNU readline history.
+    if not stream:
+        stream = sys.stderr
+    if not input:
+        input = sys.stdin
+    prompt = str(prompt)
+    if prompt:
+        try:
+            stream.write(prompt)
+        except UnicodeEncodeError:
+            # Use replace error handler to get as much as possible printed.
+            prompt = prompt.encode(stream.encoding, 'replace')
+            prompt = prompt.decode(stream.encoding)
+            stream.write(prompt)
+        stream.flush()
+    # NOTE: The Python C API calls flockfile() (and unlock) during readline.
+    line = input.readline()
+    if not line:
+        raise EOFError
+    if line[-1] == '\n':
+        line = line[:-1]
+    return line
+
+
+def getuser():
+    """Get the username from the environment or password database.
+
+    First try various environment variables, then the password
+    database.  This works on Windows as long as USERNAME is set.
+
+    """
+
+    for name in ('LOGNAME', 'USER', 'LNAME', 'USERNAME'):
+        user = os.environ.get(name)
+        if user:
+            return user
+
+    # If this fails, the exception will "explain" why
+    import pwd
+    return pwd.getpwuid(os.getuid())[0]
+
+# Bind the name getpass to the appropriate function
+try:
+    import termios
+    # it's possible there is an incompatible termios from the
+    # McMillan Installer, make sure we have a UNIX-compatible termios
+    termios.tcgetattr, termios.tcsetattr
+except (ImportError, AttributeError):
+    try:
+        import msvcrt
+    except ImportError:
+        getpass = fallback_getpass
+    else:
+        getpass = win_getpass
+else:
+    getpass = unix_getpass

my_container_sandbox/workspace/anaconda3/lib/python3.8/gettext.py

@@ -0,0 +1,782 @@
+"""Internationalization and localization support.
+
+This module provides internationalization (I18N) and localization (L10N)
+support for your Python programs by providing an interface to the GNU gettext
+message catalog library.
+
+I18N refers to the operation by which a program is made aware of multiple
+languages.  L10N refers to the adaptation of your program, once
+internationalized, to the local language and cultural habits.
+
+"""
+
+# This module represents the integration of work, contributions, feedback, and
+# suggestions from the following people:
+#
+# Martin von Loewis, who wrote the initial implementation of the underlying
+# C-based libintlmodule (later renamed _gettext), along with a skeletal
+# gettext.py implementation.
+#
+# Peter Funk, who wrote fintl.py, a fairly complete wrapper around intlmodule,
+# which also included a pure-Python implementation to read .mo files if
+# intlmodule wasn't available.
+#
+# James Henstridge, who also wrote a gettext.py module, which has some
+# interesting, but currently unsupported experimental features: the notion of
+# a Catalog class and instances, and the ability to add to a catalog file via
+# a Python API.
+#
+# Barry Warsaw integrated these modules, wrote the .install() API and code,
+# and conformed all C and Python code to Python's coding standards.
+#
+# Francois Pinard and Marc-Andre Lemburg also contributed valuably to this
+# module.
+#
+# J. David Ibanez implemented plural forms. Bruno Haible fixed some bugs.
+#
+# TODO:
+# - Lazy loading of .mo files.  Currently the entire catalog is loaded into
+#   memory, but that's probably bad for large translated programs.  Instead,
+#   the lexical sort of original strings in GNU .mo files should be exploited
+#   to do binary searches and lazy initializations.  Or you might want to use
+#   the undocumented double-hash algorithm for .mo files with hash tables, but
+#   you'll need to study the GNU gettext code to do this.
+#
+# - Support Solaris .mo file formats.  Unfortunately, we've been unable to
+#   find this format documented anywhere.
+
+
+import locale
+import os
+import re
+import sys
+
+
+__all__ = ['NullTranslations', 'GNUTranslations', 'Catalog',
+           'find', 'translation', 'install', 'textdomain', 'bindtextdomain',
+           'bind_textdomain_codeset',
+           'dgettext', 'dngettext', 'gettext', 'lgettext', 'ldgettext',
+           'ldngettext', 'lngettext', 'ngettext',
+           'pgettext', 'dpgettext', 'npgettext', 'dnpgettext',
+           ]
+
+_default_localedir = os.path.join(sys.base_prefix, 'share', 'locale')
+
+# Expression parsing for plural form selection.
+#
+# The gettext library supports a small subset of C syntax.  The only
+# incompatible difference is that integer literals starting with zero are
+# decimal.
+#
+# https://www.gnu.org/software/gettext/manual/gettext.html#Plural-forms
+# http://git.savannah.gnu.org/cgit/gettext.git/tree/gettext-runtime/intl/plural.y
+
+_token_pattern = re.compile(r"""
+        (?P<WHITESPACES>[ \t]+)                    | # spaces and horizontal tabs
+        (?P<NUMBER>[0-9]+\b)                       | # decimal integer
+        (?P<NAME>n\b)                              | # only n is allowed
+        (?P<PARENTHESIS>[()])                      |
+        (?P<OPERATOR>[-*/%+?:]|[><!]=?|==|&&|\|\|) | # !, *, /, %, +, -, <, >,
+                                                     # <=, >=, ==, !=, &&, ||,
+                                                     # ? :
+                                                     # unary and bitwise ops
+                                                     # not allowed
+        (?P<INVALID>\w+|.)                           # invalid token
+    """, re.VERBOSE|re.DOTALL)
+
+def _tokenize(plural):
+    for mo in re.finditer(_token_pattern, plural):
+        kind = mo.lastgroup
+        if kind == 'WHITESPACES':
+            continue
+        value = mo.group(kind)
+        if kind == 'INVALID':
+            raise ValueError('invalid token in plural form: %s' % value)
+        yield value
+    yield ''
+
+def _error(value):
+    if value:
+        return ValueError('unexpected token in plural form: %s' % value)
+    else:
+        return ValueError('unexpected end of plural form')
+
+_binary_ops = (
+    ('||',),
+    ('&&',),
+    ('==', '!='),
+    ('<', '>', '<=', '>='),
+    ('+', '-'),
+    ('*', '/', '%'),
+)
+_binary_ops = {op: i for i, ops in enumerate(_binary_ops, 1) for op in ops}
+_c2py_ops = {'||': 'or', '&&': 'and', '/': '//'}
+
+def _parse(tokens, priority=-1):
+    result = ''
+    nexttok = next(tokens)
+    while nexttok == '!':
+        result += 'not '
+        nexttok = next(tokens)
+
+    if nexttok == '(':
+        sub, nexttok = _parse(tokens)
+        result = '%s(%s)' % (result, sub)
+        if nexttok != ')':
+            raise ValueError('unbalanced parenthesis in plural form')
+    elif nexttok == 'n':
+        result = '%s%s' % (result, nexttok)
+    else:
+        try:
+            value = int(nexttok, 10)
+        except ValueError:
+            raise _error(nexttok) from None
+        result = '%s%d' % (result, value)
+    nexttok = next(tokens)
+
+    j = 100
+    while nexttok in _binary_ops:
+        i = _binary_ops[nexttok]
+        if i < priority:
+            break
+        # Break chained comparisons
+        if i in (3, 4) and j in (3, 4):  # '==', '!=', '<', '>', '<=', '>='
+            result = '(%s)' % result
+        # Replace some C operators by their Python equivalents
+        op = _c2py_ops.get(nexttok, nexttok)
+        right, nexttok = _parse(tokens, i + 1)
+        result = '%s %s %s' % (result, op, right)
+        j = i
+    if j == priority == 4:  # '<', '>', '<=', '>='
+        result = '(%s)' % result
+
+    if nexttok == '?' and priority <= 0:
+        if_true, nexttok = _parse(tokens, 0)
+        if nexttok != ':':
+            raise _error(nexttok)
+        if_false, nexttok = _parse(tokens)
+        result = '%s if %s else %s' % (if_true, result, if_false)
+        if priority == 0:
+            result = '(%s)' % result
+
+    return result, nexttok
+
+def _as_int(n):
+    try:
+        i = round(n)
+    except TypeError:
+        raise TypeError('Plural value must be an integer, got %s' %
+                        (n.__class__.__name__,)) from None
+    import warnings
+    warnings.warn('Plural value must be an integer, got %s' %
+                  (n.__class__.__name__,),
+                  DeprecationWarning, 4)
+    return n
+
+def c2py(plural):
+    """Gets a C expression as used in PO files for plural forms and returns a
+    Python function that implements an equivalent expression.
+    """
+
+    if len(plural) > 1000:
+        raise ValueError('plural form expression is too long')
+    try:
+        result, nexttok = _parse(_tokenize(plural))
+        if nexttok:
+            raise _error(nexttok)
+
+        depth = 0
+        for c in result:
+            if c == '(':
+                depth += 1
+                if depth > 20:
+                    # Python compiler limit is about 90.
+                    # The most complex example has 2.
+                    raise ValueError('plural form expression is too complex')
+            elif c == ')':
+                depth -= 1
+
+        ns = {'_as_int': _as_int}
+        exec('''if True:
+            def func(n):
+                if not isinstance(n, int):
+                    n = _as_int(n)
+                return int(%s)
+            ''' % result, ns)
+        return ns['func']
+    except RecursionError:
+        # Recursion error can be raised in _parse() or exec().
+        raise ValueError('plural form expression is too complex')
+
+
+def _expand_lang(loc):
+    loc = locale.normalize(loc)
+    COMPONENT_CODESET   = 1 << 0
+    COMPONENT_TERRITORY = 1 << 1
+    COMPONENT_MODIFIER  = 1 << 2
+    # split up the locale into its base components
+    mask = 0
+    pos = loc.find('@')
+    if pos >= 0:
+        modifier = loc[pos:]
+        loc = loc[:pos]
+        mask |= COMPONENT_MODIFIER
+    else:
+        modifier = ''
+    pos = loc.find('.')
+    if pos >= 0:
+        codeset = loc[pos:]
+        loc = loc[:pos]
+        mask |= COMPONENT_CODESET
+    else:
+        codeset = ''
+    pos = loc.find('_')
+    if pos >= 0:
+        territory = loc[pos:]
+        loc = loc[:pos]
+        mask |= COMPONENT_TERRITORY
+    else:
+        territory = ''
+    language = loc
+    ret = []
+    for i in range(mask+1):
+        if not (i & ~mask):  # if all components for this combo exist ...
+            val = language
+            if i & COMPONENT_TERRITORY: val += territory
+            if i & COMPONENT_CODESET:   val += codeset
+            if i & COMPONENT_MODIFIER:  val += modifier
+            ret.append(val)
+    ret.reverse()
+    return ret
+
+
+
+class NullTranslations:
+    def __init__(self, fp=None):
+        self._info = {}
+        self._charset = None
+        self._output_charset = None
+        self._fallback = None
+        if fp is not None:
+            self._parse(fp)
+
+    def _parse(self, fp):
+        pass
+
+    def add_fallback(self, fallback):
+        if self._fallback:
+            self._fallback.add_fallback(fallback)
+        else:
+            self._fallback = fallback
+
+    def gettext(self, message):
+        if self._fallback:
+            return self._fallback.gettext(message)
+        return message
+
+    def lgettext(self, message):
+        import warnings
+        warnings.warn('lgettext() is deprecated, use gettext() instead',
+                      DeprecationWarning, 2)
+        if self._fallback:
+            with warnings.catch_warnings():
+                warnings.filterwarnings('ignore', r'.*\blgettext\b.*',
+                                        DeprecationWarning)
+                return self._fallback.lgettext(message)
+        if self._output_charset:
+            return message.encode(self._output_charset)
+        return message.encode(locale.getpreferredencoding())
+
+    def ngettext(self, msgid1, msgid2, n):
+        if self._fallback:
+            return self._fallback.ngettext(msgid1, msgid2, n)
+        if n == 1:
+            return msgid1
+        else:
+            return msgid2
+
+    def lngettext(self, msgid1, msgid2, n):
+        import warnings
+        warnings.warn('lngettext() is deprecated, use ngettext() instead',
+                      DeprecationWarning, 2)
+        if self._fallback:
+            with warnings.catch_warnings():
+                warnings.filterwarnings('ignore', r'.*\blngettext\b.*',
+                                        DeprecationWarning)
+                return self._fallback.lngettext(msgid1, msgid2, n)
+        if n == 1:
+            tmsg = msgid1
+        else:
+            tmsg = msgid2
+        if self._output_charset:
+            return tmsg.encode(self._output_charset)
+        return tmsg.encode(locale.getpreferredencoding())
+
+    def pgettext(self, context, message):
+        if self._fallback:
+            return self._fallback.pgettext(context, message)
+        return message
+
+    def npgettext(self, context, msgid1, msgid2, n):
+        if self._fallback:
+            return self._fallback.npgettext(context, msgid1, msgid2, n)
+        if n == 1:
+            return msgid1
+        else:
+            return msgid2
+
+    def info(self):
+        return self._info
+
+    def charset(self):
+        return self._charset
+
+    def output_charset(self):
+        import warnings
+        warnings.warn('output_charset() is deprecated',
+                      DeprecationWarning, 2)
+        return self._output_charset
+
+    def set_output_charset(self, charset):
+        import warnings
+        warnings.warn('set_output_charset() is deprecated',
+                      DeprecationWarning, 2)
+        self._output_charset = charset
+
+    def install(self, names=None):
+        import builtins
+        builtins.__dict__['_'] = self.gettext
+        if names is not None:
+            allowed = {'gettext', 'lgettext', 'lngettext',
+                       'ngettext', 'npgettext', 'pgettext'}
+            for name in allowed & set(names):
+                builtins.__dict__[name] = getattr(self, name)
+
+
+class GNUTranslations(NullTranslations):
+    # Magic number of .mo files
+    LE_MAGIC = 0x950412de
+    BE_MAGIC = 0xde120495
+
+    # The encoding of a msgctxt and a msgid in a .mo file is
+    # msgctxt + "\x04" + msgid (gettext version >= 0.15)
+    CONTEXT = "%s\x04%s"
+
+    # Acceptable .mo versions
+    VERSIONS = (0, 1)
+
+    def _get_versions(self, version):
+        """Returns a tuple of major version, minor version"""
+        return (version >> 16, version & 0xffff)
+
+    def _parse(self, fp):
+        """Override this method to support alternative .mo formats."""
+        # Delay struct import for speeding up gettext import when .mo files
+        # are not used.
+        from struct import unpack
+        filename = getattr(fp, 'name', '')
+        # Parse the .mo file header, which consists of 5 little endian 32
+        # bit words.
+        self._catalog = catalog = {}
+        self.plural = lambda n: int(n != 1) # germanic plural by default
+        buf = fp.read()
+        buflen = len(buf)
+        # Are we big endian or little endian?
+        magic = unpack('<I', buf[:4])[0]
+        if magic == self.LE_MAGIC:
+            version, msgcount, masteridx, transidx = unpack('<4I', buf[4:20])
+            ii = '<II'
+        elif magic == self.BE_MAGIC:
+            version, msgcount, masteridx, transidx = unpack('>4I', buf[4:20])
+            ii = '>II'
+        else:
+            raise OSError(0, 'Bad magic number', filename)
+
+        major_version, minor_version = self._get_versions(version)
+
+        if major_version not in self.VERSIONS:
+            raise OSError(0, 'Bad version number ' + str(major_version), filename)
+
+        # Now put all messages from the .mo file buffer into the catalog
+        # dictionary.
+        for i in range(0, msgcount):
+            mlen, moff = unpack(ii, buf[masteridx:masteridx+8])
+            mend = moff + mlen
+            tlen, toff = unpack(ii, buf[transidx:transidx+8])
+            tend = toff + tlen
+            if mend < buflen and tend < buflen:
+                msg = buf[moff:mend]
+                tmsg = buf[toff:tend]
+            else:
+                raise OSError(0, 'File is corrupt', filename)
+            # See if we're looking at GNU .mo conventions for metadata
+            if mlen == 0:
+                # Catalog description
+                lastk = None
+                for b_item in tmsg.split(b'\n'):
+                    item = b_item.decode().strip()
+                    if not item:
+                        continue
+                    # Skip over comment lines:
+                    if item.startswith('#-#-#-#-#') and item.endswith('#-#-#-#-#'):
+                        continue
+                    k = v = None
+                    if ':' in item:
+                        k, v = item.split(':', 1)
+                        k = k.strip().lower()
+                        v = v.strip()
+                        self._info[k] = v
+                        lastk = k
+                    elif lastk:
+                        self._info[lastk] += '\n' + item
+                    if k == 'content-type':
+                        self._charset = v.split('charset=')[1]
+                    elif k == 'plural-forms':
+                        v = v.split(';')
+                        plural = v[1].split('plural=')[1]
+                        self.plural = c2py(plural)
+            # Note: we unconditionally convert both msgids and msgstrs to
+            # Unicode using the character encoding specified in the charset
+            # parameter of the Content-Type header.  The gettext documentation
+            # strongly encourages msgids to be us-ascii, but some applications
+            # require alternative encodings (e.g. Zope's ZCML and ZPT).  For
+            # traditional gettext applications, the msgid conversion will
+            # cause no problems since us-ascii should always be a subset of
+            # the charset encoding.  We may want to fall back to 8-bit msgids
+            # if the Unicode conversion fails.
+            charset = self._charset or 'ascii'
+            if b'\x00' in msg:
+                # Plural forms
+                msgid1, msgid2 = msg.split(b'\x00')
+                tmsg = tmsg.split(b'\x00')
+                msgid1 = str(msgid1, charset)
+                for i, x in enumerate(tmsg):
+                    catalog[(msgid1, i)] = str(x, charset)
+            else:
+                catalog[str(msg, charset)] = str(tmsg, charset)
+            # advance to next entry in the seek tables
+            masteridx += 8
+            transidx += 8
+
+    def lgettext(self, message):
+        import warnings
+        warnings.warn('lgettext() is deprecated, use gettext() instead',
+                      DeprecationWarning, 2)
+        missing = object()
+        tmsg = self._catalog.get(message, missing)
+        if tmsg is missing:
+            if self._fallback:
+                return self._fallback.lgettext(message)
+            tmsg = message
+        if self._output_charset:
+            return tmsg.encode(self._output_charset)
+        return tmsg.encode(locale.getpreferredencoding())
+
+    def lngettext(self, msgid1, msgid2, n):
+        import warnings
+        warnings.warn('lngettext() is deprecated, use ngettext() instead',
+                      DeprecationWarning, 2)
+        try:
+            tmsg = self._catalog[(msgid1, self.plural(n))]
+        except KeyError:
+            if self._fallback:
+                return self._fallback.lngettext(msgid1, msgid2, n)
+            if n == 1:
+                tmsg = msgid1
+            else:
+                tmsg = msgid2
+        if self._output_charset:
+            return tmsg.encode(self._output_charset)
+        return tmsg.encode(locale.getpreferredencoding())
+
+    def gettext(self, message):
+        missing = object()
+        tmsg = self._catalog.get(message, missing)
+        if tmsg is missing:
+            if self._fallback:
+                return self._fallback.gettext(message)
+            return message
+        return tmsg
+
+    def ngettext(self, msgid1, msgid2, n):
+        try:
+            tmsg = self._catalog[(msgid1, self.plural(n))]
+        except KeyError:
+            if self._fallback:
+                return self._fallback.ngettext(msgid1, msgid2, n)
+            if n == 1:
+                tmsg = msgid1
+            else:
+                tmsg = msgid2
+        return tmsg
+
+    def pgettext(self, context, message):
+        ctxt_msg_id = self.CONTEXT % (context, message)
+        missing = object()
+        tmsg = self._catalog.get(ctxt_msg_id, missing)
+        if tmsg is missing:
+            if self._fallback:
+                return self._fallback.pgettext(context, message)
+            return message
+        return tmsg
+
+    def npgettext(self, context, msgid1, msgid2, n):
+        ctxt_msg_id = self.CONTEXT % (context, msgid1)
+        try:
+            tmsg = self._catalog[ctxt_msg_id, self.plural(n)]
+        except KeyError:
+            if self._fallback:
+                return self._fallback.npgettext(context, msgid1, msgid2, n)
+            if n == 1:
+                tmsg = msgid1
+            else:
+                tmsg = msgid2
+        return tmsg
+
+
+# Locate a .mo file using the gettext strategy
+def find(domain, localedir=None, languages=None, all=False):
+    # Get some reasonable defaults for arguments that were not supplied
+    if localedir is None:
+        localedir = _default_localedir
+    if languages is None:
+        languages = []
+        for envar in ('LANGUAGE', 'LC_ALL', 'LC_MESSAGES', 'LANG'):
+            val = os.environ.get(envar)
+            if val:
+                languages = val.split(':')
+                break
+        if 'C' not in languages:
+            languages.append('C')
+    # now normalize and expand the languages
+    nelangs = []
+    for lang in languages:
+        for nelang in _expand_lang(lang):
+            if nelang not in nelangs:
+                nelangs.append(nelang)
+    # select a language
+    if all:
+        result = []
+    else:
+        result = None
+    for lang in nelangs:
+        if lang == 'C':
+            break
+        mofile = os.path.join(localedir, lang, 'LC_MESSAGES', '%s.mo' % domain)
+        if os.path.exists(mofile):
+            if all:
+                result.append(mofile)
+            else:
+                return mofile
+    return result
+
+
+
+# a mapping between absolute .mo file path and Translation object
+_translations = {}
+_unspecified = ['unspecified']
+
+def translation(domain, localedir=None, languages=None,
+                class_=None, fallback=False, codeset=_unspecified):
+    if class_ is None:
+        class_ = GNUTranslations
+    mofiles = find(domain, localedir, languages, all=True)
+    if not mofiles:
+        if fallback:
+            return NullTranslations()
+        from errno import ENOENT
+        raise FileNotFoundError(ENOENT,
+                                'No translation file found for domain', domain)
+    # Avoid opening, reading, and parsing the .mo file after it's been done
+    # once.
+    result = None
+    for mofile in mofiles:
+        key = (class_, os.path.abspath(mofile))
+        t = _translations.get(key)
+        if t is None:
+            with open(mofile, 'rb') as fp:
+                t = _translations.setdefault(key, class_(fp))
+        # Copy the translation object to allow setting fallbacks and
+        # output charset. All other instance data is shared with the
+        # cached object.
+        # Delay copy import for speeding up gettext import when .mo files
+        # are not used.
+        import copy
+        t = copy.copy(t)
+        if codeset is not _unspecified:
+            import warnings
+            warnings.warn('parameter codeset is deprecated',
+                          DeprecationWarning, 2)
+            if codeset:
+                with warnings.catch_warnings():
+                    warnings.filterwarnings('ignore', r'.*\bset_output_charset\b.*',
+                                            DeprecationWarning)
+                    t.set_output_charset(codeset)
+        if result is None:
+            result = t
+        else:
+            result.add_fallback(t)
+    return result
+
+
+def install(domain, localedir=None, codeset=_unspecified, names=None):
+    t = translation(domain, localedir, fallback=True, codeset=codeset)
+    t.install(names)
+
+
+
+# a mapping b/w domains and locale directories
+_localedirs = {}
+# a mapping b/w domains and codesets
+_localecodesets = {}
+# current global domain, `messages' used for compatibility w/ GNU gettext
+_current_domain = 'messages'
+
+
+def textdomain(domain=None):
+    global _current_domain
+    if domain is not None:
+        _current_domain = domain
+    return _current_domain
+
+
+def bindtextdomain(domain, localedir=None):
+    global _localedirs
+    if localedir is not None:
+        _localedirs[domain] = localedir
+    return _localedirs.get(domain, _default_localedir)
+
+
+def bind_textdomain_codeset(domain, codeset=None):
+    import warnings
+    warnings.warn('bind_textdomain_codeset() is deprecated',
+                  DeprecationWarning, 2)
+    global _localecodesets
+    if codeset is not None:
+        _localecodesets[domain] = codeset
+    return _localecodesets.get(domain)
+
+
+def dgettext(domain, message):
+    try:
+        t = translation(domain, _localedirs.get(domain, None))
+    except OSError:
+        return message
+    return t.gettext(message)
+
+def ldgettext(domain, message):
+    import warnings
+    warnings.warn('ldgettext() is deprecated, use dgettext() instead',
+                  DeprecationWarning, 2)
+    codeset = _localecodesets.get(domain)
+    try:
+        with warnings.catch_warnings():
+            warnings.filterwarnings('ignore', r'.*\bparameter codeset\b.*',
+                                    DeprecationWarning)
+            t = translation(domain, _localedirs.get(domain, None), codeset=codeset)
+    except OSError:
+        return message.encode(codeset or locale.getpreferredencoding())
+    with warnings.catch_warnings():
+        warnings.filterwarnings('ignore', r'.*\blgettext\b.*',
+                                DeprecationWarning)
+        return t.lgettext(message)
+
+def dngettext(domain, msgid1, msgid2, n):
+    try:
+        t = translation(domain, _localedirs.get(domain, None))
+    except OSError:
+        if n == 1:
+            return msgid1
+        else:
+            return msgid2
+    return t.ngettext(msgid1, msgid2, n)
+
+def ldngettext(domain, msgid1, msgid2, n):
+    import warnings
+    warnings.warn('ldngettext() is deprecated, use dngettext() instead',
+                  DeprecationWarning, 2)
+    codeset = _localecodesets.get(domain)
+    try:
+        with warnings.catch_warnings():
+            warnings.filterwarnings('ignore', r'.*\bparameter codeset\b.*',
+                                    DeprecationWarning)
+            t = translation(domain, _localedirs.get(domain, None), codeset=codeset)
+    except OSError:
+        if n == 1:
+            tmsg = msgid1
+        else:
+            tmsg = msgid2
+        return tmsg.encode(codeset or locale.getpreferredencoding())
+    with warnings.catch_warnings():
+        warnings.filterwarnings('ignore', r'.*\blngettext\b.*',
+                                DeprecationWarning)
+        return t.lngettext(msgid1, msgid2, n)
+
+
+def dpgettext(domain, context, message):
+    try:
+        t = translation(domain, _localedirs.get(domain, None))
+    except OSError:
+        return message
+    return t.pgettext(context, message)
+
+
+def dnpgettext(domain, context, msgid1, msgid2, n):
+    try:
+        t = translation(domain, _localedirs.get(domain, None))
+    except OSError:
+        if n == 1:
+            return msgid1
+        else:
+            return msgid2
+    return t.npgettext(context, msgid1, msgid2, n)
+
+
+def gettext(message):
+    return dgettext(_current_domain, message)
+
+def lgettext(message):
+    import warnings
+    warnings.warn('lgettext() is deprecated, use gettext() instead',
+                  DeprecationWarning, 2)
+    with warnings.catch_warnings():
+        warnings.filterwarnings('ignore', r'.*\bldgettext\b.*',
+                                DeprecationWarning)
+        return ldgettext(_current_domain, message)
+
+def ngettext(msgid1, msgid2, n):
+    return dngettext(_current_domain, msgid1, msgid2, n)
+
+def lngettext(msgid1, msgid2, n):
+    import warnings
+    warnings.warn('lngettext() is deprecated, use ngettext() instead',
+                  DeprecationWarning, 2)
+    with warnings.catch_warnings():
+        warnings.filterwarnings('ignore', r'.*\bldngettext\b.*',
+                                DeprecationWarning)
+        return ldngettext(_current_domain, msgid1, msgid2, n)
+
+
+def pgettext(context, message):
+    return dpgettext(_current_domain, context, message)
+
+
+def npgettext(context, msgid1, msgid2, n):
+    return dnpgettext(_current_domain, context, msgid1, msgid2, n)
+
+
+# dcgettext() has been deemed unnecessary and is not implemented.
+
+# James Henstridge's Catalog constructor from GNOME gettext.  Documented usage
+# was:
+#
+#    import gettext
+#    cat = gettext.Catalog(PACKAGE, localedir=LOCALEDIR)
+#    _ = cat.gettext
+#    print _('Hello World')
+
+# The resulting catalog object currently don't support access through a
+# dictionary API, which was supported (but apparently unused) in GNOME
+# gettext.
+
+Catalog = translation

my_container_sandbox/workspace/anaconda3/lib/python3.8/gzip.py

@@ -0,0 +1,600 @@
+"""Functions that read and write gzipped files.
+
+The user of the file doesn't have to worry about the compression,
+but random access is not allowed."""
+
+# based on Andrew Kuchling's minigzip.py distributed with the zlib module
+
+import struct, sys, time, os
+import zlib
+import builtins
+import io
+import _compression
+
+__all__ = ["BadGzipFile", "GzipFile", "open", "compress", "decompress"]
+
+FTEXT, FHCRC, FEXTRA, FNAME, FCOMMENT = 1, 2, 4, 8, 16
+
+READ, WRITE = 1, 2
+
+_COMPRESS_LEVEL_FAST = 1
+_COMPRESS_LEVEL_TRADEOFF = 6
+_COMPRESS_LEVEL_BEST = 9
+
+
+def open(filename, mode="rb", compresslevel=_COMPRESS_LEVEL_BEST,
+         encoding=None, errors=None, newline=None):
+    """Open a gzip-compressed file in binary or text mode.
+
+    The filename argument can be an actual filename (a str or bytes object), or
+    an existing file object to read from or write to.
+
+    The mode argument can be "r", "rb", "w", "wb", "x", "xb", "a" or "ab" for
+    binary mode, or "rt", "wt", "xt" or "at" for text mode. The default mode is
+    "rb", and the default compresslevel is 9.
+
+    For binary mode, this function is equivalent to the GzipFile constructor:
+    GzipFile(filename, mode, compresslevel). In this case, the encoding, errors
+    and newline arguments must not be provided.
+
+    For text mode, a GzipFile object is created, and wrapped in an
+    io.TextIOWrapper instance with the specified encoding, error handling
+    behavior, and line ending(s).
+
+    """
+    if "t" in mode:
+        if "b" in mode:
+            raise ValueError("Invalid mode: %r" % (mode,))
+    else:
+        if encoding is not None:
+            raise ValueError("Argument 'encoding' not supported in binary mode")
+        if errors is not None:
+            raise ValueError("Argument 'errors' not supported in binary mode")
+        if newline is not None:
+            raise ValueError("Argument 'newline' not supported in binary mode")
+
+    gz_mode = mode.replace("t", "")
+    if isinstance(filename, (str, bytes, os.PathLike)):
+        binary_file = GzipFile(filename, gz_mode, compresslevel)
+    elif hasattr(filename, "read") or hasattr(filename, "write"):
+        binary_file = GzipFile(None, gz_mode, compresslevel, filename)
+    else:
+        raise TypeError("filename must be a str or bytes object, or a file")
+
+    if "t" in mode:
+        return io.TextIOWrapper(binary_file, encoding, errors, newline)
+    else:
+        return binary_file
+
+def write32u(output, value):
+    # The L format writes the bit pattern correctly whether signed
+    # or unsigned.
+    output.write(struct.pack("<L", value))
+
+class _PaddedFile:
+    """Minimal read-only file object that prepends a string to the contents
+    of an actual file. Shouldn't be used outside of gzip.py, as it lacks
+    essential functionality."""
+
+    def __init__(self, f, prepend=b''):
+        self._buffer = prepend
+        self._length = len(prepend)
+        self.file = f
+        self._read = 0
+
+    def read(self, size):
+        if self._read is None:
+            return self.file.read(size)
+        if self._read + size <= self._length:
+            read = self._read
+            self._read += size
+            return self._buffer[read:self._read]
+        else:
+            read = self._read
+            self._read = None
+            return self._buffer[read:] + \
+                   self.file.read(size-self._length+read)
+
+    def prepend(self, prepend=b''):
+        if self._read is None:
+            self._buffer = prepend
+        else:  # Assume data was read since the last prepend() call
+            self._read -= len(prepend)
+            return
+        self._length = len(self._buffer)
+        self._read = 0
+
+    def seek(self, off):
+        self._read = None
+        self._buffer = None
+        return self.file.seek(off)
+
+    def seekable(self):
+        return True  # Allows fast-forwarding even in unseekable streams
+
+
+class BadGzipFile(OSError):
+    """Exception raised in some cases for invalid gzip files."""
+
+
+class GzipFile(_compression.BaseStream):
+    """The GzipFile class simulates most of the methods of a file object with
+    the exception of the truncate() method.
+
+    This class only supports opening files in binary mode. If you need to open a
+    compressed file in text mode, use the gzip.open() function.
+
+    """
+
+    # Overridden with internal file object to be closed, if only a filename
+    # is passed in
+    myfileobj = None
+
+    def __init__(self, filename=None, mode=None,
+                 compresslevel=_COMPRESS_LEVEL_BEST, fileobj=None, mtime=None):
+        """Constructor for the GzipFile class.
+
+        At least one of fileobj and filename must be given a
+        non-trivial value.
+
+        The new class instance is based on fileobj, which can be a regular
+        file, an io.BytesIO object, or any other object which simulates a file.
+        It defaults to None, in which case filename is opened to provide
+        a file object.
+
+        When fileobj is not None, the filename argument is only used to be
+        included in the gzip file header, which may include the original
+        filename of the uncompressed file.  It defaults to the filename of
+        fileobj, if discernible; otherwise, it defaults to the empty string,
+        and in this case the original filename is not included in the header.
+
+        The mode argument can be any of 'r', 'rb', 'a', 'ab', 'w', 'wb', 'x', or
+        'xb' depending on whether the file will be read or written.  The default
+        is the mode of fileobj if discernible; otherwise, the default is 'rb'.
+        A mode of 'r' is equivalent to one of 'rb', and similarly for 'w' and
+        'wb', 'a' and 'ab', and 'x' and 'xb'.
+
+        The compresslevel argument is an integer from 0 to 9 controlling the
+        level of compression; 1 is fastest and produces the least compression,
+        and 9 is slowest and produces the most compression. 0 is no compression
+        at all. The default is 9.
+
+        The mtime argument is an optional numeric timestamp to be written
+        to the last modification time field in the stream when compressing.
+        If omitted or None, the current time is used.
+
+        """
+
+        if mode and ('t' in mode or 'U' in mode):
+            raise ValueError("Invalid mode: {!r}".format(mode))
+        if mode and 'b' not in mode:
+            mode += 'b'
+        if fileobj is None:
+            fileobj = self.myfileobj = builtins.open(filename, mode or 'rb')
+        if filename is None:
+            filename = getattr(fileobj, 'name', '')
+            if not isinstance(filename, (str, bytes)):
+                filename = ''
+        else:
+            filename = os.fspath(filename)
+        if mode is None:
+            mode = getattr(fileobj, 'mode', 'rb')
+
+        if mode.startswith('r'):
+            self.mode = READ
+            raw = _GzipReader(fileobj)
+            self._buffer = io.BufferedReader(raw)
+            self.name = filename
+
+        elif mode.startswith(('w', 'a', 'x')):
+            self.mode = WRITE
+            self._init_write(filename)
+            self.compress = zlib.compressobj(compresslevel,
+                                             zlib.DEFLATED,
+                                             -zlib.MAX_WBITS,
+                                             zlib.DEF_MEM_LEVEL,
+                                             0)
+            self._write_mtime = mtime
+        else:
+            raise ValueError("Invalid mode: {!r}".format(mode))
+
+        self.fileobj = fileobj
+
+        if self.mode == WRITE:
+            self._write_gzip_header(compresslevel)
+
+    @property
+    def filename(self):
+        import warnings
+        warnings.warn("use the name attribute", DeprecationWarning, 2)
+        if self.mode == WRITE and self.name[-3:] != ".gz":
+            return self.name + ".gz"
+        return self.name
+
+    @property
+    def mtime(self):
+        """Last modification time read from stream, or None"""
+        return self._buffer.raw._last_mtime
+
+    def __repr__(self):
+        s = repr(self.fileobj)
+        return '<gzip ' + s[1:-1] + ' ' + hex(id(self)) + '>'
+
+    def _init_write(self, filename):
+        self.name = filename
+        self.crc = zlib.crc32(b"")
+        self.size = 0
+        self.writebuf = []
+        self.bufsize = 0
+        self.offset = 0  # Current file offset for seek(), tell(), etc
+
+    def _write_gzip_header(self, compresslevel):
+        self.fileobj.write(b'\037\213')             # magic header
+        self.fileobj.write(b'\010')                 # compression method
+        try:
+            # RFC 1952 requires the FNAME field to be Latin-1. Do not
+            # include filenames that cannot be represented that way.
+            fname = os.path.basename(self.name)
+            if not isinstance(fname, bytes):
+                fname = fname.encode('latin-1')
+            if fname.endswith(b'.gz'):
+                fname = fname[:-3]
+        except UnicodeEncodeError:
+            fname = b''
+        flags = 0
+        if fname:
+            flags = FNAME
+        self.fileobj.write(chr(flags).encode('latin-1'))
+        mtime = self._write_mtime
+        if mtime is None:
+            mtime = time.time()
+        write32u(self.fileobj, int(mtime))
+        if compresslevel == _COMPRESS_LEVEL_BEST:
+            xfl = b'\002'
+        elif compresslevel == _COMPRESS_LEVEL_FAST:
+            xfl = b'\004'
+        else:
+            xfl = b'\000'
+        self.fileobj.write(xfl)
+        self.fileobj.write(b'\377')
+        if fname:
+            self.fileobj.write(fname + b'\000')
+
+    def write(self,data):
+        self._check_not_closed()
+        if self.mode != WRITE:
+            import errno
+            raise OSError(errno.EBADF, "write() on read-only GzipFile object")
+
+        if self.fileobj is None:
+            raise ValueError("write() on closed GzipFile object")
+
+        if isinstance(data, bytes):
+            length = len(data)
+        else:
+            # accept any data that supports the buffer protocol
+            data = memoryview(data)
+            length = data.nbytes
+
+        if length > 0:
+            self.fileobj.write(self.compress.compress(data))
+            self.size += length
+            self.crc = zlib.crc32(data, self.crc)
+            self.offset += length
+
+        return length
+
+    def read(self, size=-1):
+        self._check_not_closed()
+        if self.mode != READ:
+            import errno
+            raise OSError(errno.EBADF, "read() on write-only GzipFile object")
+        return self._buffer.read(size)
+
+    def read1(self, size=-1):
+        """Implements BufferedIOBase.read1()
+
+        Reads up to a buffer's worth of data if size is negative."""
+        self._check_not_closed()
+        if self.mode != READ:
+            import errno
+            raise OSError(errno.EBADF, "read1() on write-only GzipFile object")
+
+        if size < 0:
+            size = io.DEFAULT_BUFFER_SIZE
+        return self._buffer.read1(size)
+
+    def peek(self, n):
+        self._check_not_closed()
+        if self.mode != READ:
+            import errno
+            raise OSError(errno.EBADF, "peek() on write-only GzipFile object")
+        return self._buffer.peek(n)
+
+    @property
+    def closed(self):
+        return self.fileobj is None
+
+    def close(self):
+        fileobj = self.fileobj
+        if fileobj is None:
+            return
+        self.fileobj = None
+        try:
+            if self.mode == WRITE:
+                fileobj.write(self.compress.flush())
+                write32u(fileobj, self.crc)
+                # self.size may exceed 2 GiB, or even 4 GiB
+                write32u(fileobj, self.size & 0xffffffff)
+            elif self.mode == READ:
+                self._buffer.close()
+        finally:
+            myfileobj = self.myfileobj
+            if myfileobj:
+                self.myfileobj = None
+                myfileobj.close()
+
+    def flush(self,zlib_mode=zlib.Z_SYNC_FLUSH):
+        self._check_not_closed()
+        if self.mode == WRITE:
+            # Ensure the compressor's buffer is flushed
+            self.fileobj.write(self.compress.flush(zlib_mode))
+            self.fileobj.flush()
+
+    def fileno(self):
+        """Invoke the underlying file object's fileno() method.
+
+        This will raise AttributeError if the underlying file object
+        doesn't support fileno().
+        """
+        return self.fileobj.fileno()
+
+    def rewind(self):
+        '''Return the uncompressed stream file position indicator to the
+        beginning of the file'''
+        if self.mode != READ:
+            raise OSError("Can't rewind in write mode")
+        self._buffer.seek(0)
+
+    def readable(self):
+        return self.mode == READ
+
+    def writable(self):
+        return self.mode == WRITE
+
+    def seekable(self):
+        return True
+
+    def seek(self, offset, whence=io.SEEK_SET):
+        if self.mode == WRITE:
+            if whence != io.SEEK_SET:
+                if whence == io.SEEK_CUR:
+                    offset = self.offset + offset
+                else:
+                    raise ValueError('Seek from end not supported')
+            if offset < self.offset:
+                raise OSError('Negative seek in write mode')
+            count = offset - self.offset
+            chunk = b'\0' * 1024
+            for i in range(count // 1024):
+                self.write(chunk)
+            self.write(b'\0' * (count % 1024))
+        elif self.mode == READ:
+            self._check_not_closed()
+            return self._buffer.seek(offset, whence)
+
+        return self.offset
+
+    def readline(self, size=-1):
+        self._check_not_closed()
+        return self._buffer.readline(size)
+
+
+class _GzipReader(_compression.DecompressReader):
+    def __init__(self, fp):
+        super().__init__(_PaddedFile(fp), zlib.decompressobj,
+                         wbits=-zlib.MAX_WBITS)
+        # Set flag indicating start of a new member
+        self._new_member = True
+        self._last_mtime = None
+
+    def _init_read(self):
+        self._crc = zlib.crc32(b"")
+        self._stream_size = 0  # Decompressed size of unconcatenated stream
+
+    def _read_exact(self, n):
+        '''Read exactly *n* bytes from `self._fp`
+
+        This method is required because self._fp may be unbuffered,
+        i.e. return short reads.
+        '''
+
+        data = self._fp.read(n)
+        while len(data) < n:
+            b = self._fp.read(n - len(data))
+            if not b:
+                raise EOFError("Compressed file ended before the "
+                               "end-of-stream marker was reached")
+            data += b
+        return data
+
+    def _read_gzip_header(self):
+        magic = self._fp.read(2)
+        if magic == b'':
+            return False
+
+        if magic != b'\037\213':
+            raise BadGzipFile('Not a gzipped file (%r)' % magic)
+
+        (method, flag,
+         self._last_mtime) = struct.unpack("<BBIxx", self._read_exact(8))
+        if method != 8:
+            raise BadGzipFile('Unknown compression method')
+
+        if flag & FEXTRA:
+            # Read & discard the extra field, if present
+            extra_len, = struct.unpack("<H", self._read_exact(2))
+            self._read_exact(extra_len)
+        if flag & FNAME:
+            # Read and discard a null-terminated string containing the filename
+            while True:
+                s = self._fp.read(1)
+                if not s or s==b'\000':
+                    break
+        if flag & FCOMMENT:
+            # Read and discard a null-terminated string containing a comment
+            while True:
+                s = self._fp.read(1)
+                if not s or s==b'\000':
+                    break
+        if flag & FHCRC:
+            self._read_exact(2)     # Read & discard the 16-bit header CRC
+        return True
+
+    def read(self, size=-1):
+        if size < 0:
+            return self.readall()
+        # size=0 is special because decompress(max_length=0) is not supported
+        if not size:
+            return b""
+
+        # For certain input data, a single
+        # call to decompress() may not return
+        # any data. In this case, retry until we get some data or reach EOF.
+        while True:
+            if self._decompressor.eof:
+                # Ending case: we've come to the end of a member in the file,
+                # so finish up this member, and read a new gzip header.
+                # Check the CRC and file size, and set the flag so we read
+                # a new member
+                self._read_eof()
+                self._new_member = True
+                self._decompressor = self._decomp_factory(
+                    **self._decomp_args)
+
+            if self._new_member:
+                # If the _new_member flag is set, we have to
+                # jump to the next member, if there is one.
+                self._init_read()
+                if not self._read_gzip_header():
+                    self._size = self._pos
+                    return b""
+                self._new_member = False
+
+            # Read a chunk of data from the file
+            buf = self._fp.read(io.DEFAULT_BUFFER_SIZE)
+
+            uncompress = self._decompressor.decompress(buf, size)
+            if self._decompressor.unconsumed_tail != b"":
+                self._fp.prepend(self._decompressor.unconsumed_tail)
+            elif self._decompressor.unused_data != b"":
+                # Prepend the already read bytes to the fileobj so they can
+                # be seen by _read_eof() and _read_gzip_header()
+                self._fp.prepend(self._decompressor.unused_data)
+
+            if uncompress != b"":
+                break
+            if buf == b"":
+                raise EOFError("Compressed file ended before the "
+                               "end-of-stream marker was reached")
+
+        self._add_read_data( uncompress )
+        self._pos += len(uncompress)
+        return uncompress
+
+    def _add_read_data(self, data):
+        self._crc = zlib.crc32(data, self._crc)
+        self._stream_size = self._stream_size + len(data)
+
+    def _read_eof(self):
+        # We've read to the end of the file
+        # We check the that the computed CRC and size of the
+        # uncompressed data matches the stored values.  Note that the size
+        # stored is the true file size mod 2**32.
+        crc32, isize = struct.unpack("<II", self._read_exact(8))
+        if crc32 != self._crc:
+            raise BadGzipFile("CRC check failed %s != %s" % (hex(crc32),
+                                                             hex(self._crc)))
+        elif isize != (self._stream_size & 0xffffffff):
+            raise BadGzipFile("Incorrect length of data produced")
+
+        # Gzip files can be padded with zeroes and still have archives.
+        # Consume all zero bytes and set the file position to the first
+        # non-zero byte. See http://www.gzip.org/#faq8
+        c = b"\x00"
+        while c == b"\x00":
+            c = self._fp.read(1)
+        if c:
+            self._fp.prepend(c)
+
+    def _rewind(self):
+        super()._rewind()
+        self._new_member = True
+
+def compress(data, compresslevel=_COMPRESS_LEVEL_BEST, *, mtime=None):
+    """Compress data in one shot and return the compressed string.
+    Optional argument is the compression level, in range of 0-9.
+    """
+    buf = io.BytesIO()
+    with GzipFile(fileobj=buf, mode='wb', compresslevel=compresslevel, mtime=mtime) as f:
+        f.write(data)
+    return buf.getvalue()
+
+def decompress(data):
+    """Decompress a gzip compressed string in one shot.
+    Return the decompressed string.
+    """
+    with GzipFile(fileobj=io.BytesIO(data)) as f:
+        return f.read()
+
+
+def main():
+    from argparse import ArgumentParser
+    parser = ArgumentParser(description=
+        "A simple command line interface for the gzip module: act like gzip, "
+        "but do not delete the input file.")
+    group = parser.add_mutually_exclusive_group()
+    group.add_argument('--fast', action='store_true', help='compress faster')
+    group.add_argument('--best', action='store_true', help='compress better')
+    group.add_argument("-d", "--decompress", action="store_true",
+                        help="act like gunzip instead of gzip")
+
+    parser.add_argument("args", nargs="*", default=["-"], metavar='file')
+    args = parser.parse_args()
+
+    compresslevel = _COMPRESS_LEVEL_TRADEOFF
+    if args.fast:
+        compresslevel = _COMPRESS_LEVEL_FAST
+    elif args.best:
+        compresslevel = _COMPRESS_LEVEL_BEST
+
+    for arg in args.args:
+        if args.decompress:
+            if arg == "-":
+                f = GzipFile(filename="", mode="rb", fileobj=sys.stdin.buffer)
+                g = sys.stdout.buffer
+            else:
+                if arg[-3:] != ".gz":
+                    sys.exit(f"filename doesn't end in .gz: {arg!r}")
+                f = open(arg, "rb")
+                g = builtins.open(arg[:-3], "wb")
+        else:
+            if arg == "-":
+                f = sys.stdin.buffer
+                g = GzipFile(filename="", mode="wb", fileobj=sys.stdout.buffer,
+                             compresslevel=compresslevel)
+            else:
+                f = builtins.open(arg, "rb")
+                g = open(arg + ".gz", "wb")
+        while True:
+            chunk = f.read(1024)
+            if not chunk:
+                break
+            g.write(chunk)
+        if g is not sys.stdout.buffer:
+            g.close()
+        if f is not sys.stdin.buffer:
+            f.close()
+
+if __name__ == '__main__':
+    main()

my_container_sandbox/workspace/anaconda3/lib/python3.8/hashlib.py

@@ -0,0 +1,259 @@
+#.  Copyright (C) 2005-2010   Gregory P. Smith (greg@krypto.org)
+#  Licensed to PSF under a Contributor Agreement.
+#
+
+__doc__ = """hashlib module - A common interface to many hash functions.
+
+new(name, data=b'', **kwargs) - returns a new hash object implementing the
+                                given hash function; initializing the hash
+                                using the given binary data.
+
+Named constructor functions are also available, these are faster
+than using new(name):
+
+md5(), sha1(), sha224(), sha256(), sha384(), sha512(), blake2b(), blake2s(),
+sha3_224, sha3_256, sha3_384, sha3_512, shake_128, and shake_256.
+
+More algorithms may be available on your platform but the above are guaranteed
+to exist.  See the algorithms_guaranteed and algorithms_available attributes
+to find out what algorithm names can be passed to new().
+
+NOTE: If you want the adler32 or crc32 hash functions they are available in
+the zlib module.
+
+Choose your hash function wisely.  Some have known collision weaknesses.
+sha384 and sha512 will be slow on 32 bit platforms.
+
+Hash objects have these methods:
+ - update(data): Update the hash object with the bytes in data. Repeated calls
+                 are equivalent to a single call with the concatenation of all
+                 the arguments.
+ - digest():     Return the digest of the bytes passed to the update() method
+                 so far as a bytes object.
+ - hexdigest():  Like digest() except the digest is returned as a string
+                 of double length, containing only hexadecimal digits.
+ - copy():       Return a copy (clone) of the hash object. This can be used to
+                 efficiently compute the digests of datas that share a common
+                 initial substring.
+
+For example, to obtain the digest of the byte string 'Nobody inspects the
+spammish repetition':
+
+    >>> import hashlib
+    >>> m = hashlib.md5()
+    >>> m.update(b"Nobody inspects")
+    >>> m.update(b" the spammish repetition")
+    >>> m.digest()
+    b'\\xbbd\\x9c\\x83\\xdd\\x1e\\xa5\\xc9\\xd9\\xde\\xc9\\xa1\\x8d\\xf0\\xff\\xe9'
+
+More condensed:
+
+    >>> hashlib.sha224(b"Nobody inspects the spammish repetition").hexdigest()
+    'a4337bc45a8fc544c03f52dc550cd6e1e87021bc896588bd79e901e2'
+
+"""
+
+# This tuple and __get_builtin_constructor() must be modified if a new
+# always available algorithm is added.
+__always_supported = ('md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512',
+                      'blake2b', 'blake2s',
+                      'sha3_224', 'sha3_256', 'sha3_384', 'sha3_512',
+                      'shake_128', 'shake_256')
+
+
+algorithms_guaranteed = set(__always_supported)
+algorithms_available = set(__always_supported)
+
+__all__ = __always_supported + ('new', 'algorithms_guaranteed',
+                                'algorithms_available', 'pbkdf2_hmac')
+
+
+__builtin_constructor_cache = {}
+
+__block_openssl_constructor = {
+    'sha3_224', 'sha3_256', 'sha3_384', 'sha3_512',
+    'shake_128', 'shake_256',
+    'blake2b', 'blake2s',
+}
+
+def __get_builtin_constructor(name):
+    cache = __builtin_constructor_cache
+    constructor = cache.get(name)
+    if constructor is not None:
+        return constructor
+    try:
+        if name in {'SHA1', 'sha1'}:
+            import _sha1
+            cache['SHA1'] = cache['sha1'] = _sha1.sha1
+        elif name in {'MD5', 'md5'}:
+            import _md5
+            cache['MD5'] = cache['md5'] = _md5.md5
+        elif name in {'SHA256', 'sha256', 'SHA224', 'sha224'}:
+            import _sha256
+            cache['SHA224'] = cache['sha224'] = _sha256.sha224
+            cache['SHA256'] = cache['sha256'] = _sha256.sha256
+        elif name in {'SHA512', 'sha512', 'SHA384', 'sha384'}:
+            import _sha512
+            cache['SHA384'] = cache['sha384'] = _sha512.sha384
+            cache['SHA512'] = cache['sha512'] = _sha512.sha512
+        elif name in {'blake2b', 'blake2s'}:
+            import _blake2
+            cache['blake2b'] = _blake2.blake2b
+            cache['blake2s'] = _blake2.blake2s
+        elif name in {'sha3_224', 'sha3_256', 'sha3_384', 'sha3_512'}:
+            import _sha3
+            cache['sha3_224'] = _sha3.sha3_224
+            cache['sha3_256'] = _sha3.sha3_256
+            cache['sha3_384'] = _sha3.sha3_384
+            cache['sha3_512'] = _sha3.sha3_512
+        elif name in {'shake_128', 'shake_256'}:
+            import _sha3
+            cache['shake_128'] = _sha3.shake_128
+            cache['shake_256'] = _sha3.shake_256
+    except ImportError:
+        pass  # no extension module, this hash is unsupported.
+
+    constructor = cache.get(name)
+    if constructor is not None:
+        return constructor
+
+    raise ValueError('unsupported hash type ' + name)
+
+
+def __get_openssl_constructor(name):
+    if name in __block_openssl_constructor:
+        # Prefer our blake2 and sha3 implementation.
+        return __get_builtin_constructor(name)
+    try:
+        f = getattr(_hashlib, 'openssl_' + name)
+        # Allow the C module to raise ValueError.  The function will be
+        # defined but the hash not actually available thanks to OpenSSL.
+        f()
+        # Use the C function directly (very fast)
+        return f
+    except (AttributeError, ValueError):
+        return __get_builtin_constructor(name)
+
+
+def __py_new(name, data=b'', **kwargs):
+    """new(name, data=b'', **kwargs) - Return a new hashing object using the
+    named algorithm; optionally initialized with data (which must be
+    a bytes-like object).
+    """
+    return __get_builtin_constructor(name)(data, **kwargs)
+
+
+def __hash_new(name, data=b'', **kwargs):
+    """new(name, data=b'') - Return a new hashing object using the named algorithm;
+    optionally initialized with data (which must be a bytes-like object).
+    """
+    if name in __block_openssl_constructor:
+        # Prefer our blake2 and sha3 implementation
+        # OpenSSL 1.1.0 comes with a limited implementation of blake2b/s.
+        # It does neither support keyed blake2 nor advanced features like
+        # salt, personal, tree hashing or SSE.
+        return __get_builtin_constructor(name)(data, **kwargs)
+    try:
+        return _hashlib.new(name, data)
+    except ValueError:
+        # If the _hashlib module (OpenSSL) doesn't support the named
+        # hash, try using our builtin implementations.
+        # This allows for SHA224/256 and SHA384/512 support even though
+        # the OpenSSL library prior to 0.9.8 doesn't provide them.
+        return __get_builtin_constructor(name)(data)
+
+
+try:
+    import _hashlib
+    new = __hash_new
+    __get_hash = __get_openssl_constructor
+    algorithms_available = algorithms_available.union(
+            _hashlib.openssl_md_meth_names)
+except ImportError:
+    new = __py_new
+    __get_hash = __get_builtin_constructor
+
+try:
+    # OpenSSL's PKCS5_PBKDF2_HMAC requires OpenSSL 1.0+ with HMAC and SHA
+    from _hashlib import pbkdf2_hmac
+except ImportError:
+    _trans_5C = bytes((x ^ 0x5C) for x in range(256))
+    _trans_36 = bytes((x ^ 0x36) for x in range(256))
+
+    def pbkdf2_hmac(hash_name, password, salt, iterations, dklen=None):
+        """Password based key derivation function 2 (PKCS #5 v2.0)
+
+        This Python implementations based on the hmac module about as fast
+        as OpenSSL's PKCS5_PBKDF2_HMAC for short passwords and much faster
+        for long passwords.
+        """
+        if not isinstance(hash_name, str):
+            raise TypeError(hash_name)
+
+        if not isinstance(password, (bytes, bytearray)):
+            password = bytes(memoryview(password))
+        if not isinstance(salt, (bytes, bytearray)):
+            salt = bytes(memoryview(salt))
+
+        # Fast inline HMAC implementation
+        inner = new(hash_name)
+        outer = new(hash_name)
+        blocksize = getattr(inner, 'block_size', 64)
+        if len(password) > blocksize:
+            password = new(hash_name, password).digest()
+        password = password + b'\x00' * (blocksize - len(password))
+        inner.update(password.translate(_trans_36))
+        outer.update(password.translate(_trans_5C))
+
+        def prf(msg, inner=inner, outer=outer):
+            # PBKDF2_HMAC uses the password as key. We can re-use the same
+            # digest objects and just update copies to skip initialization.
+            icpy = inner.copy()
+            ocpy = outer.copy()
+            icpy.update(msg)
+            ocpy.update(icpy.digest())
+            return ocpy.digest()
+
+        if iterations < 1:
+            raise ValueError(iterations)
+        if dklen is None:
+            dklen = outer.digest_size
+        if dklen < 1:
+            raise ValueError(dklen)
+
+        dkey = b''
+        loop = 1
+        from_bytes = int.from_bytes
+        while len(dkey) < dklen:
+            prev = prf(salt + loop.to_bytes(4, 'big'))
+            # endianness doesn't matter here as long to / from use the same
+            rkey = int.from_bytes(prev, 'big')
+            for i in range(iterations - 1):
+                prev = prf(prev)
+                # rkey = rkey ^ prev
+                rkey ^= from_bytes(prev, 'big')
+            loop += 1
+            dkey += rkey.to_bytes(inner.digest_size, 'big')
+
+        return dkey[:dklen]
+
+try:
+    # OpenSSL's scrypt requires OpenSSL 1.1+
+    from _hashlib import scrypt
+except ImportError:
+    pass
+
+
+for __func_name in __always_supported:
+    # try them all, some may not work due to the OpenSSL
+    # version not supporting that algorithm.
+    try:
+        globals()[__func_name] = __get_hash(__func_name)
+    except ValueError:
+        import logging
+        logging.exception('code for hash %s was not found.', __func_name)
+
+
+# Cleanup locals()
+del __always_supported, __func_name, __get_hash
+del __py_new, __hash_new, __get_openssl_constructor

my_container_sandbox/workspace/anaconda3/lib/python3.8/imp.py

@@ -0,0 +1,345 @@
+"""This module provides the components needed to build your own __import__
+function.  Undocumented functions are obsolete.
+
+In most cases it is preferred you consider using the importlib module's
+functionality over this module.
+
+"""
+# (Probably) need to stay in _imp
+from _imp import (lock_held, acquire_lock, release_lock,
+                  get_frozen_object, is_frozen_package,
+                  init_frozen, is_builtin, is_frozen,
+                  _fix_co_filename)
+try:
+    from _imp import create_dynamic
+except ImportError:
+    # Platform doesn't support dynamic loading.
+    create_dynamic = None
+
+from importlib._bootstrap import _ERR_MSG, _exec, _load, _builtin_from_name
+from importlib._bootstrap_external import SourcelessFileLoader
+
+from importlib import machinery
+from importlib import util
+import importlib
+import os
+import sys
+import tokenize
+import types
+import warnings
+
+warnings.warn("the imp module is deprecated in favour of importlib; "
+              "see the module's documentation for alternative uses",
+              DeprecationWarning, stacklevel=2)
+
+# DEPRECATED
+SEARCH_ERROR = 0
+PY_SOURCE = 1
+PY_COMPILED = 2
+C_EXTENSION = 3
+PY_RESOURCE = 4
+PKG_DIRECTORY = 5
+C_BUILTIN = 6
+PY_FROZEN = 7
+PY_CODERESOURCE = 8
+IMP_HOOK = 9
+
+
+def new_module(name):
+    """**DEPRECATED**
+
+    Create a new module.
+
+    The module is not entered into sys.modules.
+
+    """
+    return types.ModuleType(name)
+
+
+def get_magic():
+    """**DEPRECATED**
+
+    Return the magic number for .pyc files.
+    """
+    return util.MAGIC_NUMBER
+
+
+def get_tag():
+    """Return the magic tag for .pyc files."""
+    return sys.implementation.cache_tag
+
+
+def cache_from_source(path, debug_override=None):
+    """**DEPRECATED**
+
+    Given the path to a .py file, return the path to its .pyc file.
+
+    The .py file does not need to exist; this simply returns the path to the
+    .pyc file calculated as if the .py file were imported.
+
+    If debug_override is not None, then it must be a boolean and is used in
+    place of sys.flags.optimize.
+
+    If sys.implementation.cache_tag is None then NotImplementedError is raised.
+
+    """
+    with warnings.catch_warnings():
+        warnings.simplefilter('ignore')
+        return util.cache_from_source(path, debug_override)
+
+
+def source_from_cache(path):
+    """**DEPRECATED**
+
+    Given the path to a .pyc. file, return the path to its .py file.
+
+    The .pyc file does not need to exist; this simply returns the path to
+    the .py file calculated to correspond to the .pyc file.  If path does
+    not conform to PEP 3147 format, ValueError will be raised. If
+    sys.implementation.cache_tag is None then NotImplementedError is raised.
+
+    """
+    return util.source_from_cache(path)
+
+
+def get_suffixes():
+    """**DEPRECATED**"""
+    extensions = [(s, 'rb', C_EXTENSION) for s in machinery.EXTENSION_SUFFIXES]
+    source = [(s, 'r', PY_SOURCE) for s in machinery.SOURCE_SUFFIXES]
+    bytecode = [(s, 'rb', PY_COMPILED) for s in machinery.BYTECODE_SUFFIXES]
+
+    return extensions + source + bytecode
+
+
+class NullImporter:
+
+    """**DEPRECATED**
+
+    Null import object.
+
+    """
+
+    def __init__(self, path):
+        if path == '':
+            raise ImportError('empty pathname', path='')
+        elif os.path.isdir(path):
+            raise ImportError('existing directory', path=path)
+
+    def find_module(self, fullname):
+        """Always returns None."""
+        return None
+
+
+class _HackedGetData:
+
+    """Compatibility support for 'file' arguments of various load_*()
+    functions."""
+
+    def __init__(self, fullname, path, file=None):
+        super().__init__(fullname, path)
+        self.file = file
+
+    def get_data(self, path):
+        """Gross hack to contort loader to deal w/ load_*()'s bad API."""
+        if self.file and path == self.path:
+            # The contract of get_data() requires us to return bytes. Reopen the
+            # file in binary mode if needed.
+            if not self.file.closed:
+                file = self.file
+                if 'b' not in file.mode:
+                    file.close()
+            if self.file.closed:
+                self.file = file = open(self.path, 'rb')
+
+            with file:
+                return file.read()
+        else:
+            return super().get_data(path)
+
+
+class _LoadSourceCompatibility(_HackedGetData, machinery.SourceFileLoader):
+
+    """Compatibility support for implementing load_source()."""
+
+
+def load_source(name, pathname, file=None):
+    loader = _LoadSourceCompatibility(name, pathname, file)
+    spec = util.spec_from_file_location(name, pathname, loader=loader)
+    if name in sys.modules:
+        module = _exec(spec, sys.modules[name])
+    else:
+        module = _load(spec)
+    # To allow reloading to potentially work, use a non-hacked loader which
+    # won't rely on a now-closed file object.
+    module.__loader__ = machinery.SourceFileLoader(name, pathname)
+    module.__spec__.loader = module.__loader__
+    return module
+
+
+class _LoadCompiledCompatibility(_HackedGetData, SourcelessFileLoader):
+
+    """Compatibility support for implementing load_compiled()."""
+
+
+def load_compiled(name, pathname, file=None):
+    """**DEPRECATED**"""
+    loader = _LoadCompiledCompatibility(name, pathname, file)
+    spec = util.spec_from_file_location(name, pathname, loader=loader)
+    if name in sys.modules:
+        module = _exec(spec, sys.modules[name])
+    else:
+        module = _load(spec)
+    # To allow reloading to potentially work, use a non-hacked loader which
+    # won't rely on a now-closed file object.
+    module.__loader__ = SourcelessFileLoader(name, pathname)
+    module.__spec__.loader = module.__loader__
+    return module
+
+
+def load_package(name, path):
+    """**DEPRECATED**"""
+    if os.path.isdir(path):
+        extensions = (machinery.SOURCE_SUFFIXES[:] +
+                      machinery.BYTECODE_SUFFIXES[:])
+        for extension in extensions:
+            init_path = os.path.join(path, '__init__' + extension)
+            if os.path.exists(init_path):
+                path = init_path
+                break
+        else:
+            raise ValueError('{!r} is not a package'.format(path))
+    spec = util.spec_from_file_location(name, path,
+                                        submodule_search_locations=[])
+    if name in sys.modules:
+        return _exec(spec, sys.modules[name])
+    else:
+        return _load(spec)
+
+
+def load_module(name, file, filename, details):
+    """**DEPRECATED**
+
+    Load a module, given information returned by find_module().
+
+    The module name must include the full package name, if any.
+
+    """
+    suffix, mode, type_ = details
+    if mode and (not mode.startswith(('r', 'U')) or '+' in mode):
+        raise ValueError('invalid file open mode {!r}'.format(mode))
+    elif file is None and type_ in {PY_SOURCE, PY_COMPILED}:
+        msg = 'file object required for import (type code {})'.format(type_)
+        raise ValueError(msg)
+    elif type_ == PY_SOURCE:
+        return load_source(name, filename, file)
+    elif type_ == PY_COMPILED:
+        return load_compiled(name, filename, file)
+    elif type_ == C_EXTENSION and load_dynamic is not None:
+        if file is None:
+            with open(filename, 'rb') as opened_file:
+                return load_dynamic(name, filename, opened_file)
+        else:
+            return load_dynamic(name, filename, file)
+    elif type_ == PKG_DIRECTORY:
+        return load_package(name, filename)
+    elif type_ == C_BUILTIN:
+        return init_builtin(name)
+    elif type_ == PY_FROZEN:
+        return init_frozen(name)
+    else:
+        msg =  "Don't know how to import {} (type code {})".format(name, type_)
+        raise ImportError(msg, name=name)
+
+
+def find_module(name, path=None):
+    """**DEPRECATED**
+
+    Search for a module.
+
+    If path is omitted or None, search for a built-in, frozen or special
+    module and continue search in sys.path. The module name cannot
+    contain '.'; to search for a submodule of a package, pass the
+    submodule name and the package's __path__.
+
+    """
+    if not isinstance(name, str):
+        raise TypeError("'name' must be a str, not {}".format(type(name)))
+    elif not isinstance(path, (type(None), list)):
+        # Backwards-compatibility
+        raise RuntimeError("'path' must be None or a list, "
+                           "not {}".format(type(path)))
+
+    if path is None:
+        if is_builtin(name):
+            return None, None, ('', '', C_BUILTIN)
+        elif is_frozen(name):
+            return None, None, ('', '', PY_FROZEN)
+        else:
+            path = sys.path
+
+    for entry in path:
+        package_directory = os.path.join(entry, name)
+        for suffix in ['.py', machinery.BYTECODE_SUFFIXES[0]]:
+            package_file_name = '__init__' + suffix
+            file_path = os.path.join(package_directory, package_file_name)
+            if os.path.isfile(file_path):
+                return None, package_directory, ('', '', PKG_DIRECTORY)
+        for suffix, mode, type_ in get_suffixes():
+            file_name = name + suffix
+            file_path = os.path.join(entry, file_name)
+            if os.path.isfile(file_path):
+                break
+        else:
+            continue
+        break  # Break out of outer loop when breaking out of inner loop.
+    else:
+        raise ImportError(_ERR_MSG.format(name), name=name)
+
+    encoding = None
+    if 'b' not in mode:
+        with open(file_path, 'rb') as file:
+            encoding = tokenize.detect_encoding(file.readline)[0]
+    file = open(file_path, mode, encoding=encoding)
+    return file, file_path, (suffix, mode, type_)
+
+
+def reload(module):
+    """**DEPRECATED**
+
+    Reload the module and return it.
+
+    The module must have been successfully imported before.
+
+    """
+    return importlib.reload(module)
+
+
+def init_builtin(name):
+    """**DEPRECATED**
+
+    Load and return a built-in module by name, or None is such module doesn't
+    exist
+    """
+    try:
+        return _builtin_from_name(name)
+    except ImportError:
+        return None
+
+
+if create_dynamic:
+    def load_dynamic(name, path, file=None):
+        """**DEPRECATED**
+
+        Load an extension module.
+        """
+        import importlib.machinery
+        loader = importlib.machinery.ExtensionFileLoader(name, path)
+
+        # Issue #24748: Skip the sys.modules check in _load_module_shim;
+        # always load new extension
+        spec = importlib.machinery.ModuleSpec(
+            name=name, loader=loader, origin=path)
+        return _load(spec)
+
+else:
+    load_dynamic = None

my_container_sandbox/workspace/anaconda3/lib/python3.8/io.py

@@ -0,0 +1,99 @@
+"""The io module provides the Python interfaces to stream handling. The
+builtin open function is defined in this module.
+
+At the top of the I/O hierarchy is the abstract base class IOBase. It
+defines the basic interface to a stream. Note, however, that there is no
+separation between reading and writing to streams; implementations are
+allowed to raise an OSError if they do not support a given operation.
+
+Extending IOBase is RawIOBase which deals simply with the reading and
+writing of raw bytes to a stream. FileIO subclasses RawIOBase to provide
+an interface to OS files.
+
+BufferedIOBase deals with buffering on a raw byte stream (RawIOBase). Its
+subclasses, BufferedWriter, BufferedReader, and BufferedRWPair buffer
+streams that are readable, writable, and both respectively.
+BufferedRandom provides a buffered interface to random access
+streams. BytesIO is a simple stream of in-memory bytes.
+
+Another IOBase subclass, TextIOBase, deals with the encoding and decoding
+of streams into text. TextIOWrapper, which extends it, is a buffered text
+interface to a buffered raw stream (`BufferedIOBase`). Finally, StringIO
+is an in-memory stream for text.
+
+Argument names are not part of the specification, and only the arguments
+of open() are intended to be used as keyword arguments.
+
+data:
+
+DEFAULT_BUFFER_SIZE
+
+   An int containing the default buffer size used by the module's buffered
+   I/O classes. open() uses the file's blksize (as obtained by os.stat) if
+   possible.
+"""
+# New I/O library conforming to PEP 3116.
+
+__author__ = ("Guido van Rossum <guido@python.org>, "
+              "Mike Verdone <mike.verdone@gmail.com>, "
+              "Mark Russell <mark.russell@zen.co.uk>, "
+              "Antoine Pitrou <solipsis@pitrou.net>, "
+              "Amaury Forgeot d'Arc <amauryfa@gmail.com>, "
+              "Benjamin Peterson <benjamin@python.org>")
+
+__all__ = ["BlockingIOError", "open", "open_code", "IOBase", "RawIOBase",
+           "FileIO", "BytesIO", "StringIO", "BufferedIOBase",
+           "BufferedReader", "BufferedWriter", "BufferedRWPair",
+           "BufferedRandom", "TextIOBase", "TextIOWrapper",
+           "UnsupportedOperation", "SEEK_SET", "SEEK_CUR", "SEEK_END"]
+
+
+import _io
+import abc
+
+from _io import (DEFAULT_BUFFER_SIZE, BlockingIOError, UnsupportedOperation,
+                 open, open_code, FileIO, BytesIO, StringIO, BufferedReader,
+                 BufferedWriter, BufferedRWPair, BufferedRandom,
+                 IncrementalNewlineDecoder, TextIOWrapper)
+
+OpenWrapper = _io.open # for compatibility with _pyio
+
+# Pretend this exception was created here.
+UnsupportedOperation.__module__ = "io"
+
+# for seek()
+SEEK_SET = 0
+SEEK_CUR = 1
+SEEK_END = 2
+
+# Declaring ABCs in C is tricky so we do it here.
+# Method descriptions and default implementations are inherited from the C
+# version however.
+class IOBase(_io._IOBase, metaclass=abc.ABCMeta):
+    __doc__ = _io._IOBase.__doc__
+
+class RawIOBase(_io._RawIOBase, IOBase):
+    __doc__ = _io._RawIOBase.__doc__
+
+class BufferedIOBase(_io._BufferedIOBase, IOBase):
+    __doc__ = _io._BufferedIOBase.__doc__
+
+class TextIOBase(_io._TextIOBase, IOBase):
+    __doc__ = _io._TextIOBase.__doc__
+
+RawIOBase.register(FileIO)
+
+for klass in (BytesIO, BufferedReader, BufferedWriter, BufferedRandom,
+              BufferedRWPair):
+    BufferedIOBase.register(klass)
+
+for klass in (StringIO, TextIOWrapper):
+    TextIOBase.register(klass)
+del klass
+
+try:
+    from _io import _WindowsConsoleIO
+except ImportError:
+    pass
+else:
+    RawIOBase.register(_WindowsConsoleIO)

my_container_sandbox/workspace/anaconda3/lib/python3.8/lzma.py

@@ -0,0 +1,347 @@
+"""Interface to the liblzma compression library.
+
+This module provides a class for reading and writing compressed files,
+classes for incremental (de)compression, and convenience functions for
+one-shot (de)compression.
+
+These classes and functions support both the XZ and legacy LZMA
+container formats, as well as raw compressed data streams.
+"""
+
+__all__ = [
+    "CHECK_NONE", "CHECK_CRC32", "CHECK_CRC64", "CHECK_SHA256",
+    "CHECK_ID_MAX", "CHECK_UNKNOWN",
+    "FILTER_LZMA1", "FILTER_LZMA2", "FILTER_DELTA", "FILTER_X86", "FILTER_IA64",
+    "FILTER_ARM", "FILTER_ARMTHUMB", "FILTER_POWERPC", "FILTER_SPARC",
+    "FORMAT_AUTO", "FORMAT_XZ", "FORMAT_ALONE", "FORMAT_RAW",
+    "MF_HC3", "MF_HC4", "MF_BT2", "MF_BT3", "MF_BT4",
+    "MODE_FAST", "MODE_NORMAL", "PRESET_DEFAULT", "PRESET_EXTREME",
+
+    "LZMACompressor", "LZMADecompressor", "LZMAFile", "LZMAError",
+    "open", "compress", "decompress", "is_check_supported",
+]
+
+import builtins
+import io
+import os
+from _lzma import *
+from _lzma import _encode_filter_properties, _decode_filter_properties
+import _compression
+
+
+_MODE_CLOSED   = 0
+_MODE_READ     = 1
+# Value 2 no longer used
+_MODE_WRITE    = 3
+
+
+class LZMAFile(_compression.BaseStream):
+
+    """A file object providing transparent LZMA (de)compression.
+
+    An LZMAFile can act as a wrapper for an existing file object, or
+    refer directly to a named file on disk.
+
+    Note that LZMAFile provides a *binary* file interface - data read
+    is returned as bytes, and data to be written must be given as bytes.
+    """
+
+    def __init__(self, filename=None, mode="r", *,
+                 format=None, check=-1, preset=None, filters=None):
+        """Open an LZMA-compressed file in binary mode.
+
+        filename can be either an actual file name (given as a str,
+        bytes, or PathLike object), in which case the named file is
+        opened, or it can be an existing file object to read from or
+        write to.
+
+        mode can be "r" for reading (default), "w" for (over)writing,
+        "x" for creating exclusively, or "a" for appending. These can
+        equivalently be given as "rb", "wb", "xb" and "ab" respectively.
+
+        format specifies the container format to use for the file.
+        If mode is "r", this defaults to FORMAT_AUTO. Otherwise, the
+        default is FORMAT_XZ.
+
+        check specifies the integrity check to use. This argument can
+        only be used when opening a file for writing. For FORMAT_XZ,
+        the default is CHECK_CRC64. FORMAT_ALONE and FORMAT_RAW do not
+        support integrity checks - for these formats, check must be
+        omitted, or be CHECK_NONE.
+
+        When opening a file for reading, the *preset* argument is not
+        meaningful, and should be omitted. The *filters* argument should
+        also be omitted, except when format is FORMAT_RAW (in which case
+        it is required).
+
+        When opening a file for writing, the settings used by the
+        compressor can be specified either as a preset compression
+        level (with the *preset* argument), or in detail as a custom
+        filter chain (with the *filters* argument). For FORMAT_XZ and
+        FORMAT_ALONE, the default is to use the PRESET_DEFAULT preset
+        level. For FORMAT_RAW, the caller must always specify a filter
+        chain; the raw compressor does not support preset compression
+        levels.
+
+        preset (if provided) should be an integer in the range 0-9,
+        optionally OR-ed with the constant PRESET_EXTREME.
+
+        filters (if provided) should be a sequence of dicts. Each dict
+        should have an entry for "id" indicating ID of the filter, plus
+        additional entries for options to the filter.
+        """
+        self._fp = None
+        self._closefp = False
+        self._mode = _MODE_CLOSED
+
+        if mode in ("r", "rb"):
+            if check != -1:
+                raise ValueError("Cannot specify an integrity check "
+                                 "when opening a file for reading")
+            if preset is not None:
+                raise ValueError("Cannot specify a preset compression "
+                                 "level when opening a file for reading")
+            if format is None:
+                format = FORMAT_AUTO
+            mode_code = _MODE_READ
+        elif mode in ("w", "wb", "a", "ab", "x", "xb"):
+            if format is None:
+                format = FORMAT_XZ
+            mode_code = _MODE_WRITE
+            self._compressor = LZMACompressor(format=format, check=check,
+                                              preset=preset, filters=filters)
+            self._pos = 0
+        else:
+            raise ValueError("Invalid mode: {!r}".format(mode))
+
+        if isinstance(filename, (str, bytes, os.PathLike)):
+            if "b" not in mode:
+                mode += "b"
+            self._fp = builtins.open(filename, mode)
+            self._closefp = True
+            self._mode = mode_code
+        elif hasattr(filename, "read") or hasattr(filename, "write"):
+            self._fp = filename
+            self._mode = mode_code
+        else:
+            raise TypeError("filename must be a str, bytes, file or PathLike object")
+
+        if self._mode == _MODE_READ:
+            raw = _compression.DecompressReader(self._fp, LZMADecompressor,
+                trailing_error=LZMAError, format=format, filters=filters)
+            self._buffer = io.BufferedReader(raw)
+
+    def close(self):
+        """Flush and close the file.
+
+        May be called more than once without error. Once the file is
+        closed, any other operation on it will raise a ValueError.
+        """
+        if self._mode == _MODE_CLOSED:
+            return
+        try:
+            if self._mode == _MODE_READ:
+                self._buffer.close()
+                self._buffer = None
+            elif self._mode == _MODE_WRITE:
+                self._fp.write(self._compressor.flush())
+                self._compressor = None
+        finally:
+            try:
+                if self._closefp:
+                    self._fp.close()
+            finally:
+                self._fp = None
+                self._closefp = False
+                self._mode = _MODE_CLOSED
+
+    @property
+    def closed(self):
+        """True if this file is closed."""
+        return self._mode == _MODE_CLOSED
+
+    def fileno(self):
+        """Return the file descriptor for the underlying file."""
+        self._check_not_closed()
+        return self._fp.fileno()
+
+    def seekable(self):
+        """Return whether the file supports seeking."""
+        return self.readable() and self._buffer.seekable()
+
+    def readable(self):
+        """Return whether the file was opened for reading."""
+        self._check_not_closed()
+        return self._mode == _MODE_READ
+
+    def writable(self):
+        """Return whether the file was opened for writing."""
+        self._check_not_closed()
+        return self._mode == _MODE_WRITE
+
+    def peek(self, size=-1):
+        """Return buffered data without advancing the file position.
+
+        Always returns at least one byte of data, unless at EOF.
+        The exact number of bytes returned is unspecified.
+        """
+        self._check_can_read()
+        # Relies on the undocumented fact that BufferedReader.peek() always
+        # returns at least one byte (except at EOF)
+        return self._buffer.peek(size)
+
+    def read(self, size=-1):
+        """Read up to size uncompressed bytes from the file.
+
+        If size is negative or omitted, read until EOF is reached.
+        Returns b"" if the file is already at EOF.
+        """
+        self._check_can_read()
+        return self._buffer.read(size)
+
+    def read1(self, size=-1):
+        """Read up to size uncompressed bytes, while trying to avoid
+        making multiple reads from the underlying stream. Reads up to a
+        buffer's worth of data if size is negative.
+
+        Returns b"" if the file is at EOF.
+        """
+        self._check_can_read()
+        if size < 0:
+            size = io.DEFAULT_BUFFER_SIZE
+        return self._buffer.read1(size)
+
+    def readline(self, size=-1):
+        """Read a line of uncompressed bytes from the file.
+
+        The terminating newline (if present) is retained. If size is
+        non-negative, no more than size bytes will be read (in which
+        case the line may be incomplete). Returns b'' if already at EOF.
+        """
+        self._check_can_read()
+        return self._buffer.readline(size)
+
+    def write(self, data):
+        """Write a bytes object to the file.
+
+        Returns the number of uncompressed bytes written, which is
+        always len(data). Note that due to buffering, the file on disk
+        may not reflect the data written until close() is called.
+        """
+        self._check_can_write()
+        compressed = self._compressor.compress(data)
+        self._fp.write(compressed)
+        self._pos += len(data)
+        return len(data)
+
+    def seek(self, offset, whence=io.SEEK_SET):
+        """Change the file position.
+
+        The new position is specified by offset, relative to the
+        position indicated by whence. Possible values for whence are:
+
+            0: start of stream (default): offset must not be negative
+            1: current stream position
+            2: end of stream; offset must not be positive
+
+        Returns the new file position.
+
+        Note that seeking is emulated, so depending on the parameters,
+        this operation may be extremely slow.
+        """
+        self._check_can_seek()
+        return self._buffer.seek(offset, whence)
+
+    def tell(self):
+        """Return the current file position."""
+        self._check_not_closed()
+        if self._mode == _MODE_READ:
+            return self._buffer.tell()
+        return self._pos
+
+
+def open(filename, mode="rb", *,
+         format=None, check=-1, preset=None, filters=None,
+         encoding=None, errors=None, newline=None):
+    """Open an LZMA-compressed file in binary or text mode.
+
+    filename can be either an actual file name (given as a str, bytes,
+    or PathLike object), in which case the named file is opened, or it
+    can be an existing file object to read from or write to.
+
+    The mode argument can be "r", "rb" (default), "w", "wb", "x", "xb",
+    "a", or "ab" for binary mode, or "rt", "wt", "xt", or "at" for text
+    mode.
+
+    The format, check, preset and filters arguments specify the
+    compression settings, as for LZMACompressor, LZMADecompressor and
+    LZMAFile.
+
+    For binary mode, this function is equivalent to the LZMAFile
+    constructor: LZMAFile(filename, mode, ...). In this case, the
+    encoding, errors and newline arguments must not be provided.
+
+    For text mode, an LZMAFile object is created, and wrapped in an
+    io.TextIOWrapper instance with the specified encoding, error
+    handling behavior, and line ending(s).
+
+    """
+    if "t" in mode:
+        if "b" in mode:
+            raise ValueError("Invalid mode: %r" % (mode,))
+    else:
+        if encoding is not None:
+            raise ValueError("Argument 'encoding' not supported in binary mode")
+        if errors is not None:
+            raise ValueError("Argument 'errors' not supported in binary mode")
+        if newline is not None:
+            raise ValueError("Argument 'newline' not supported in binary mode")
+
+    lz_mode = mode.replace("t", "")
+    binary_file = LZMAFile(filename, lz_mode, format=format, check=check,
+                           preset=preset, filters=filters)
+
+    if "t" in mode:
+        return io.TextIOWrapper(binary_file, encoding, errors, newline)
+    else:
+        return binary_file
+
+
+def compress(data, format=FORMAT_XZ, check=-1, preset=None, filters=None):
+    """Compress a block of data.
+
+    Refer to LZMACompressor's docstring for a description of the
+    optional arguments *format*, *check*, *preset* and *filters*.
+
+    For incremental compression, use an LZMACompressor instead.
+    """
+    comp = LZMACompressor(format, check, preset, filters)
+    return comp.compress(data) + comp.flush()
+
+
+def decompress(data, format=FORMAT_AUTO, memlimit=None, filters=None):
+    """Decompress a block of data.
+
+    Refer to LZMADecompressor's docstring for a description of the
+    optional arguments *format*, *check* and *filters*.
+
+    For incremental decompression, use an LZMADecompressor instead.
+    """
+    results = []
+    while True:
+        decomp = LZMADecompressor(format, memlimit, filters)
+        try:
+            res = decomp.decompress(data)
+        except LZMAError:
+            if results:
+                break  # Leftover data is not a valid LZMA/XZ stream; ignore it.
+            else:
+                raise  # Error on the first iteration; bail out.
+        results.append(res)
+        if not decomp.eof:
+            raise LZMAError("Compressed data ended before the "
+                            "end-of-stream marker was reached")
+        data = decomp.unused_data
+        if not data:
+            break
+    return b"".join(results)

my_container_sandbox/workspace/anaconda3/lib/python3.8/mailbox.py

@@ -0,0 +1,2146 @@
+"""Read/write support for Maildir, mbox, MH, Babyl, and MMDF mailboxes."""
+
+# Notes for authors of new mailbox subclasses:
+#
+# Remember to fsync() changes to disk before closing a modified file
+# or returning from a flush() method.  See functions _sync_flush() and
+# _sync_close().
+
+import os
+import time
+import calendar
+import socket
+import errno
+import copy
+import warnings
+import email
+import email.message
+import email.generator
+import io
+import contextlib
+try:
+    import fcntl
+except ImportError:
+    fcntl = None
+
+__all__ = ['Mailbox', 'Maildir', 'mbox', 'MH', 'Babyl', 'MMDF',
+           'Message', 'MaildirMessage', 'mboxMessage', 'MHMessage',
+           'BabylMessage', 'MMDFMessage', 'Error', 'NoSuchMailboxError',
+           'NotEmptyError', 'ExternalClashError', 'FormatError']
+
+linesep = os.linesep.encode('ascii')
+
+class Mailbox:
+    """A group of messages in a particular place."""
+
+    def __init__(self, path, factory=None, create=True):
+        """Initialize a Mailbox instance."""
+        self._path = os.path.abspath(os.path.expanduser(path))
+        self._factory = factory
+
+    def add(self, message):
+        """Add message and return assigned key."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def remove(self, key):
+        """Remove the keyed message; raise KeyError if it doesn't exist."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def __delitem__(self, key):
+        self.remove(key)
+
+    def discard(self, key):
+        """If the keyed message exists, remove it."""
+        try:
+            self.remove(key)
+        except KeyError:
+            pass
+
+    def __setitem__(self, key, message):
+        """Replace the keyed message; raise KeyError if it doesn't exist."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def get(self, key, default=None):
+        """Return the keyed message, or default if it doesn't exist."""
+        try:
+            return self.__getitem__(key)
+        except KeyError:
+            return default
+
+    def __getitem__(self, key):
+        """Return the keyed message; raise KeyError if it doesn't exist."""
+        if not self._factory:
+            return self.get_message(key)
+        else:
+            with contextlib.closing(self.get_file(key)) as file:
+                return self._factory(file)
+
+    def get_message(self, key):
+        """Return a Message representation or raise a KeyError."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def get_string(self, key):
+        """Return a string representation or raise a KeyError.
+
+        Uses email.message.Message to create a 7bit clean string
+        representation of the message."""
+        return email.message_from_bytes(self.get_bytes(key)).as_string()
+
+    def get_bytes(self, key):
+        """Return a byte string representation or raise a KeyError."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def get_file(self, key):
+        """Return a file-like representation or raise a KeyError."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def iterkeys(self):
+        """Return an iterator over keys."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def keys(self):
+        """Return a list of keys."""
+        return list(self.iterkeys())
+
+    def itervalues(self):
+        """Return an iterator over all messages."""
+        for key in self.iterkeys():
+            try:
+                value = self[key]
+            except KeyError:
+                continue
+            yield value
+
+    def __iter__(self):
+        return self.itervalues()
+
+    def values(self):
+        """Return a list of messages. Memory intensive."""
+        return list(self.itervalues())
+
+    def iteritems(self):
+        """Return an iterator over (key, message) tuples."""
+        for key in self.iterkeys():
+            try:
+                value = self[key]
+            except KeyError:
+                continue
+            yield (key, value)
+
+    def items(self):
+        """Return a list of (key, message) tuples. Memory intensive."""
+        return list(self.iteritems())
+
+    def __contains__(self, key):
+        """Return True if the keyed message exists, False otherwise."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def __len__(self):
+        """Return a count of messages in the mailbox."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def clear(self):
+        """Delete all messages."""
+        for key in self.keys():
+            self.discard(key)
+
+    def pop(self, key, default=None):
+        """Delete the keyed message and return it, or default."""
+        try:
+            result = self[key]
+        except KeyError:
+            return default
+        self.discard(key)
+        return result
+
+    def popitem(self):
+        """Delete an arbitrary (key, message) pair and return it."""
+        for key in self.iterkeys():
+            return (key, self.pop(key))     # This is only run once.
+        else:
+            raise KeyError('No messages in mailbox')
+
+    def update(self, arg=None):
+        """Change the messages that correspond to certain keys."""
+        if hasattr(arg, 'iteritems'):
+            source = arg.iteritems()
+        elif hasattr(arg, 'items'):
+            source = arg.items()
+        else:
+            source = arg
+        bad_key = False
+        for key, message in source:
+            try:
+                self[key] = message
+            except KeyError:
+                bad_key = True
+        if bad_key:
+            raise KeyError('No message with key(s)')
+
+    def flush(self):
+        """Write any pending changes to the disk."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def lock(self):
+        """Lock the mailbox."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def unlock(self):
+        """Unlock the mailbox if it is locked."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def close(self):
+        """Flush and close the mailbox."""
+        raise NotImplementedError('Method must be implemented by subclass')
+
+    def _string_to_bytes(self, message):
+        # If a message is not 7bit clean, we refuse to handle it since it
+        # likely came from reading invalid messages in text mode, and that way
+        # lies mojibake.
+        try:
+            return message.encode('ascii')
+        except UnicodeError:
+            raise ValueError("String input must be ASCII-only; "
+                "use bytes or a Message instead")
+
+    # Whether each message must end in a newline
+    _append_newline = False
+
+    def _dump_message(self, message, target, mangle_from_=False):
+        # This assumes the target file is open in binary mode.
+        """Dump message contents to target file."""
+        if isinstance(message, email.message.Message):
+            buffer = io.BytesIO()
+            gen = email.generator.BytesGenerator(buffer, mangle_from_, 0)
+            gen.flatten(message)
+            buffer.seek(0)
+            data = buffer.read()
+            data = data.replace(b'\n', linesep)
+            target.write(data)
+            if self._append_newline and not data.endswith(linesep):
+                # Make sure the message ends with a newline
+                target.write(linesep)
+        elif isinstance(message, (str, bytes, io.StringIO)):
+            if isinstance(message, io.StringIO):
+                warnings.warn("Use of StringIO input is deprecated, "
+                    "use BytesIO instead", DeprecationWarning, 3)
+                message = message.getvalue()
+            if isinstance(message, str):
+                message = self._string_to_bytes(message)
+            if mangle_from_:
+                message = message.replace(b'\nFrom ', b'\n>From ')
+            message = message.replace(b'\n', linesep)
+            target.write(message)
+            if self._append_newline and not message.endswith(linesep):
+                # Make sure the message ends with a newline
+                target.write(linesep)
+        elif hasattr(message, 'read'):
+            if hasattr(message, 'buffer'):
+                warnings.warn("Use of text mode files is deprecated, "
+                    "use a binary mode file instead", DeprecationWarning, 3)
+                message = message.buffer
+            lastline = None
+            while True:
+                line = message.readline()
+                # Universal newline support.
+                if line.endswith(b'\r\n'):
+                    line = line[:-2] + b'\n'
+                elif line.endswith(b'\r'):
+                    line = line[:-1] + b'\n'
+                if not line:
+                    break
+                if mangle_from_ and line.startswith(b'From '):
+                    line = b'>From ' + line[5:]
+                line = line.replace(b'\n', linesep)
+                target.write(line)
+                lastline = line
+            if self._append_newline and lastline and not lastline.endswith(linesep):
+                # Make sure the message ends with a newline
+                target.write(linesep)
+        else:
+            raise TypeError('Invalid message type: %s' % type(message))
+
+
+class Maildir(Mailbox):
+    """A qmail-style Maildir mailbox."""
+
+    colon = ':'
+
+    def __init__(self, dirname, factory=None, create=True):
+        """Initialize a Maildir instance."""
+        Mailbox.__init__(self, dirname, factory, create)
+        self._paths = {
+            'tmp': os.path.join(self._path, 'tmp'),
+            'new': os.path.join(self._path, 'new'),
+            'cur': os.path.join(self._path, 'cur'),
+            }
+        if not os.path.exists(self._path):
+            if create:
+                os.mkdir(self._path, 0o700)
+                for path in self._paths.values():
+                    os.mkdir(path, 0o700)
+            else:
+                raise NoSuchMailboxError(self._path)
+        self._toc = {}
+        self._toc_mtimes = {'cur': 0, 'new': 0}
+        self._last_read = 0         # Records last time we read cur/new
+        self._skewfactor = 0.1      # Adjust if os/fs clocks are skewing
+
+    def add(self, message):
+        """Add message and return assigned key."""
+        tmp_file = self._create_tmp()
+        try:
+            self._dump_message(message, tmp_file)
+        except BaseException:
+            tmp_file.close()
+            os.remove(tmp_file.name)
+            raise
+        _sync_close(tmp_file)
+        if isinstance(message, MaildirMessage):
+            subdir = message.get_subdir()
+            suffix = self.colon + message.get_info()
+            if suffix == self.colon:
+                suffix = ''
+        else:
+            subdir = 'new'
+            suffix = ''
+        uniq = os.path.basename(tmp_file.name).split(self.colon)[0]
+        dest = os.path.join(self._path, subdir, uniq + suffix)
+        if isinstance(message, MaildirMessage):
+            os.utime(tmp_file.name,
+                     (os.path.getatime(tmp_file.name), message.get_date()))
+        # No file modification should be done after the file is moved to its
+        # final position in order to prevent race conditions with changes
+        # from other programs
+        try:
+            try:
+                os.link(tmp_file.name, dest)
+            except (AttributeError, PermissionError):
+                os.rename(tmp_file.name, dest)
+            else:
+                os.remove(tmp_file.name)
+        except OSError as e:
+            os.remove(tmp_file.name)
+            if e.errno == errno.EEXIST:
+                raise ExternalClashError('Name clash with existing message: %s'
+                                         % dest)
+            else:
+                raise
+        return uniq
+
+    def remove(self, key):
+        """Remove the keyed message; raise KeyError if it doesn't exist."""
+        os.remove(os.path.join(self._path, self._lookup(key)))
+
+    def discard(self, key):
+        """If the keyed message exists, remove it."""
+        # This overrides an inapplicable implementation in the superclass.
+        try:
+            self.remove(key)
+        except (KeyError, FileNotFoundError):
+            pass
+
+    def __setitem__(self, key, message):
+        """Replace the keyed message; raise KeyError if it doesn't exist."""
+        old_subpath = self._lookup(key)
+        temp_key = self.add(message)
+        temp_subpath = self._lookup(temp_key)
+        if isinstance(message, MaildirMessage):
+            # temp's subdir and suffix were specified by message.
+            dominant_subpath = temp_subpath
+        else:
+            # temp's subdir and suffix were defaults from add().
+            dominant_subpath = old_subpath
+        subdir = os.path.dirname(dominant_subpath)
+        if self.colon in dominant_subpath:
+            suffix = self.colon + dominant_subpath.split(self.colon)[-1]
+        else:
+            suffix = ''
+        self.discard(key)
+        tmp_path = os.path.join(self._path, temp_subpath)
+        new_path = os.path.join(self._path, subdir, key + suffix)
+        if isinstance(message, MaildirMessage):
+            os.utime(tmp_path,
+                     (os.path.getatime(tmp_path), message.get_date()))
+        # No file modification should be done after the file is moved to its
+        # final position in order to prevent race conditions with changes
+        # from other programs
+        os.rename(tmp_path, new_path)
+
+    def get_message(self, key):
+        """Return a Message representation or raise a KeyError."""
+        subpath = self._lookup(key)
+        with open(os.path.join(self._path, subpath), 'rb') as f:
+            if self._factory:
+                msg = self._factory(f)
+            else:
+                msg = MaildirMessage(f)
+        subdir, name = os.path.split(subpath)
+        msg.set_subdir(subdir)
+        if self.colon in name:
+            msg.set_info(name.split(self.colon)[-1])
+        msg.set_date(os.path.getmtime(os.path.join(self._path, subpath)))
+        return msg
+
+    def get_bytes(self, key):
+        """Return a bytes representation or raise a KeyError."""
+        with open(os.path.join(self._path, self._lookup(key)), 'rb') as f:
+            return f.read().replace(linesep, b'\n')
+
+    def get_file(self, key):
+        """Return a file-like representation or raise a KeyError."""
+        f = open(os.path.join(self._path, self._lookup(key)), 'rb')
+        return _ProxyFile(f)
+
+    def iterkeys(self):
+        """Return an iterator over keys."""
+        self._refresh()
+        for key in self._toc:
+            try:
+                self._lookup(key)
+            except KeyError:
+                continue
+            yield key
+
+    def __contains__(self, key):
+        """Return True if the keyed message exists, False otherwise."""
+        self._refresh()
+        return key in self._toc
+
+    def __len__(self):
+        """Return a count of messages in the mailbox."""
+        self._refresh()
+        return len(self._toc)
+
+    def flush(self):
+        """Write any pending changes to disk."""
+        # Maildir changes are always written immediately, so there's nothing
+        # to do.
+        pass
+
+    def lock(self):
+        """Lock the mailbox."""
+        return
+
+    def unlock(self):
+        """Unlock the mailbox if it is locked."""
+        return
+
+    def close(self):
+        """Flush and close the mailbox."""
+        return
+
+    def list_folders(self):
+        """Return a list of folder names."""
+        result = []
+        for entry in os.listdir(self._path):
+            if len(entry) > 1 and entry[0] == '.' and \
+               os.path.isdir(os.path.join(self._path, entry)):
+                result.append(entry[1:])
+        return result
+
+    def get_folder(self, folder):
+        """Return a Maildir instance for the named folder."""
+        return Maildir(os.path.join(self._path, '.' + folder),
+                       factory=self._factory,
+                       create=False)
+
+    def add_folder(self, folder):
+        """Create a folder and return a Maildir instance representing it."""
+        path = os.path.join(self._path, '.' + folder)
+        result = Maildir(path, factory=self._factory)
+        maildirfolder_path = os.path.join(path, 'maildirfolder')
+        if not os.path.exists(maildirfolder_path):
+            os.close(os.open(maildirfolder_path, os.O_CREAT | os.O_WRONLY,
+                0o666))
+        return result
+
+    def remove_folder(self, folder):
+        """Delete the named folder, which must be empty."""
+        path = os.path.join(self._path, '.' + folder)
+        for entry in os.listdir(os.path.join(path, 'new')) + \
+                     os.listdir(os.path.join(path, 'cur')):
+            if len(entry) < 1 or entry[0] != '.':
+                raise NotEmptyError('Folder contains message(s): %s' % folder)
+        for entry in os.listdir(path):
+            if entry != 'new' and entry != 'cur' and entry != 'tmp' and \
+               os.path.isdir(os.path.join(path, entry)):
+                raise NotEmptyError("Folder contains subdirectory '%s': %s" %
+                                    (folder, entry))
+        for root, dirs, files in os.walk(path, topdown=False):
+            for entry in files:
+                os.remove(os.path.join(root, entry))
+            for entry in dirs:
+                os.rmdir(os.path.join(root, entry))
+        os.rmdir(path)
+
+    def clean(self):
+        """Delete old files in "tmp"."""
+        now = time.time()
+        for entry in os.listdir(os.path.join(self._path, 'tmp')):
+            path = os.path.join(self._path, 'tmp', entry)
+            if now - os.path.getatime(path) > 129600:   # 60 * 60 * 36
+                os.remove(path)
+
+    _count = 1  # This is used to generate unique file names.
+
+    def _create_tmp(self):
+        """Create a file in the tmp subdirectory and open and return it."""
+        now = time.time()
+        hostname = socket.gethostname()
+        if '/' in hostname:
+            hostname = hostname.replace('/', r'\057')
+        if ':' in hostname:
+            hostname = hostname.replace(':', r'\072')
+        uniq = "%s.M%sP%sQ%s.%s" % (int(now), int(now % 1 * 1e6), os.getpid(),
+                                    Maildir._count, hostname)
+        path = os.path.join(self._path, 'tmp', uniq)
+        try:
+            os.stat(path)
+        except FileNotFoundError:
+            Maildir._count += 1
+            try:
+                return _create_carefully(path)
+            except FileExistsError:
+                pass
+
+        # Fall through to here if stat succeeded or open raised EEXIST.
+        raise ExternalClashError('Name clash prevented file creation: %s' %
+                                 path)
+
+    def _refresh(self):
+        """Update table of contents mapping."""
+        # If it has been less than two seconds since the last _refresh() call,
+        # we have to unconditionally re-read the mailbox just in case it has
+        # been modified, because os.path.mtime() has a 2 sec resolution in the
+        # most common worst case (FAT) and a 1 sec resolution typically.  This
+        # results in a few unnecessary re-reads when _refresh() is called
+        # multiple times in that interval, but once the clock ticks over, we
+        # will only re-read as needed.  Because the filesystem might be being
+        # served by an independent system with its own clock, we record and
+        # compare with the mtimes from the filesystem.  Because the other
+        # system's clock might be skewing relative to our clock, we add an
+        # extra delta to our wait.  The default is one tenth second, but is an
+        # instance variable and so can be adjusted if dealing with a
+        # particularly skewed or irregular system.
+        if time.time() - self._last_read > 2 + self._skewfactor:
+            refresh = False
+            for subdir in self._toc_mtimes:
+                mtime = os.path.getmtime(self._paths[subdir])
+                if mtime > self._toc_mtimes[subdir]:
+                    refresh = True
+                self._toc_mtimes[subdir] = mtime
+            if not refresh:
+                return
+        # Refresh toc
+        self._toc = {}
+        for subdir in self._toc_mtimes:
+            path = self._paths[subdir]
+            for entry in os.listdir(path):
+                p = os.path.join(path, entry)
+                if os.path.isdir(p):
+                    continue
+                uniq = entry.split(self.colon)[0]
+                self._toc[uniq] = os.path.join(subdir, entry)
+        self._last_read = time.time()
+
+    def _lookup(self, key):
+        """Use TOC to return subpath for given key, or raise a KeyError."""
+        try:
+            if os.path.exists(os.path.join(self._path, self._toc[key])):
+                return self._toc[key]
+        except KeyError:
+            pass
+        self._refresh()
+        try:
+            return self._toc[key]
+        except KeyError:
+            raise KeyError('No message with key: %s' % key) from None
+
+    # This method is for backward compatibility only.
+    def next(self):
+        """Return the next message in a one-time iteration."""
+        if not hasattr(self, '_onetime_keys'):
+            self._onetime_keys = self.iterkeys()
+        while True:
+            try:
+                return self[next(self._onetime_keys)]
+            except StopIteration:
+                return None
+            except KeyError:
+                continue
+
+
+class _singlefileMailbox(Mailbox):
+    """A single-file mailbox."""
+
+    def __init__(self, path, factory=None, create=True):
+        """Initialize a single-file mailbox."""
+        Mailbox.__init__(self, path, factory, create)
+        try:
+            f = open(self._path, 'rb+')
+        except OSError as e:
+            if e.errno == errno.ENOENT:
+                if create:
+                    f = open(self._path, 'wb+')
+                else:
+                    raise NoSuchMailboxError(self._path)
+            elif e.errno in (errno.EACCES, errno.EROFS):
+                f = open(self._path, 'rb')
+            else:
+                raise
+        self._file = f
+        self._toc = None
+        self._next_key = 0
+        self._pending = False       # No changes require rewriting the file.
+        self._pending_sync = False  # No need to sync the file
+        self._locked = False
+        self._file_length = None    # Used to record mailbox size
+
+    def add(self, message):
+        """Add message and return assigned key."""
+        self._lookup()
+        self._toc[self._next_key] = self._append_message(message)
+        self._next_key += 1
+        # _append_message appends the message to the mailbox file. We
+        # don't need a full rewrite + rename, sync is enough.
+        self._pending_sync = True
+        return self._next_key - 1
+
+    def remove(self, key):
+        """Remove the keyed message; raise KeyError if it doesn't exist."""
+        self._lookup(key)
+        del self._toc[key]
+        self._pending = True
+
+    def __setitem__(self, key, message):
+        """Replace the keyed message; raise KeyError if it doesn't exist."""
+        self._lookup(key)
+        self._toc[key] = self._append_message(message)
+        self._pending = True
+
+    def iterkeys(self):
+        """Return an iterator over keys."""
+        self._lookup()
+        yield from self._toc.keys()
+
+    def __contains__(self, key):
+        """Return True if the keyed message exists, False otherwise."""
+        self._lookup()
+        return key in self._toc
+
+    def __len__(self):
+        """Return a count of messages in the mailbox."""
+        self._lookup()
+        return len(self._toc)
+
+    def lock(self):
+        """Lock the mailbox."""
+        if not self._locked:
+            _lock_file(self._file)
+            self._locked = True
+
+    def unlock(self):
+        """Unlock the mailbox if it is locked."""
+        if self._locked:
+            _unlock_file(self._file)
+            self._locked = False
+
+    def flush(self):
+        """Write any pending changes to disk."""
+        if not self._pending:
+            if self._pending_sync:
+                # Messages have only been added, so syncing the file
+                # is enough.
+                _sync_flush(self._file)
+                self._pending_sync = False
+            return
+
+        # In order to be writing anything out at all, self._toc must
+        # already have been generated (and presumably has been modified
+        # by adding or deleting an item).
+        assert self._toc is not None
+
+        # Check length of self._file; if it's changed, some other process
+        # has modified the mailbox since we scanned it.
+        self._file.seek(0, 2)
+        cur_len = self._file.tell()
+        if cur_len != self._file_length:
+            raise ExternalClashError('Size of mailbox file changed '
+                                     '(expected %i, found %i)' %
+                                     (self._file_length, cur_len))
+
+        new_file = _create_temporary(self._path)
+        try:
+            new_toc = {}
+            self._pre_mailbox_hook(new_file)
+            for key in sorted(self._toc.keys()):
+                start, stop = self._toc[key]
+                self._file.seek(start)
+                self._pre_message_hook(new_file)
+                new_start = new_file.tell()
+                while True:
+                    buffer = self._file.read(min(4096,
+                                                 stop - self._file.tell()))
+                    if not buffer:
+                        break
+                    new_file.write(buffer)
+                new_toc[key] = (new_start, new_file.tell())
+                self._post_message_hook(new_file)
+            self._file_length = new_file.tell()
+        except:
+            new_file.close()
+            os.remove(new_file.name)
+            raise
+        _sync_close(new_file)
+        # self._file is about to get replaced, so no need to sync.
+        self._file.close()
+        # Make sure the new file's mode is the same as the old file's
+        mode = os.stat(self._path).st_mode
+        os.chmod(new_file.name, mode)
+        try:
+            os.rename(new_file.name, self._path)
+        except FileExistsError:
+            os.remove(self._path)
+            os.rename(new_file.name, self._path)
+        self._file = open(self._path, 'rb+')
+        self._toc = new_toc
+        self._pending = False
+        self._pending_sync = False
+        if self._locked:
+            _lock_file(self._file, dotlock=False)
+
+    def _pre_mailbox_hook(self, f):
+        """Called before writing the mailbox to file f."""
+        return
+
+    def _pre_message_hook(self, f):
+        """Called before writing each message to file f."""
+        return
+
+    def _post_message_hook(self, f):
+        """Called after writing each message to file f."""
+        return
+
+    def close(self):
+        """Flush and close the mailbox."""
+        try:
+            self.flush()
+        finally:
+            try:
+                if self._locked:
+                    self.unlock()
+            finally:
+                self._file.close()  # Sync has been done by self.flush() above.
+
+    def _lookup(self, key=None):
+        """Return (start, stop) or raise KeyError."""
+        if self._toc is None:
+            self._generate_toc()
+        if key is not None:
+            try:
+                return self._toc[key]
+            except KeyError:
+                raise KeyError('No message with key: %s' % key) from None
+
+    def _append_message(self, message):
+        """Append message to mailbox and return (start, stop) offsets."""
+        self._file.seek(0, 2)
+        before = self._file.tell()
+        if len(self._toc) == 0 and not self._pending:
+            # This is the first message, and the _pre_mailbox_hook
+            # hasn't yet been called. If self._pending is True,
+            # messages have been removed, so _pre_mailbox_hook must
+            # have been called already.
+            self._pre_mailbox_hook(self._file)
+        try:
+            self._pre_message_hook(self._file)
+            offsets = self._install_message(message)
+            self._post_message_hook(self._file)
+        except BaseException:
+            self._file.truncate(before)
+            raise
+        self._file.flush()
+        self._file_length = self._file.tell()  # Record current length of mailbox
+        return offsets
+
+
+
+class _mboxMMDF(_singlefileMailbox):
+    """An mbox or MMDF mailbox."""
+
+    _mangle_from_ = True
+
+    def get_message(self, key):
+        """Return a Message representation or raise a KeyError."""
+        start, stop = self._lookup(key)
+        self._file.seek(start)
+        from_line = self._file.readline().replace(linesep, b'')
+        string = self._file.read(stop - self._file.tell())
+        msg = self._message_factory(string.replace(linesep, b'\n'))
+        msg.set_from(from_line[5:].decode('ascii'))
+        return msg
+
+    def get_string(self, key, from_=False):
+        """Return a string representation or raise a KeyError."""
+        return email.message_from_bytes(
+            self.get_bytes(key, from_)).as_string(unixfrom=from_)
+
+    def get_bytes(self, key, from_=False):
+        """Return a string representation or raise a KeyError."""
+        start, stop = self._lookup(key)
+        self._file.seek(start)
+        if not from_:
+            self._file.readline()
+        string = self._file.read(stop - self._file.tell())
+        return string.replace(linesep, b'\n')
+
+    def get_file(self, key, from_=False):
+        """Return a file-like representation or raise a KeyError."""
+        start, stop = self._lookup(key)
+        self._file.seek(start)
+        if not from_:
+            self._file.readline()
+        return _PartialFile(self._file, self._file.tell(), stop)
+
+    def _install_message(self, message):
+        """Format a message and blindly write to self._file."""
+        from_line = None
+        if isinstance(message, str):
+            message = self._string_to_bytes(message)
+        if isinstance(message, bytes) and message.startswith(b'From '):
+            newline = message.find(b'\n')
+            if newline != -1:
+                from_line = message[:newline]
+                message = message[newline + 1:]
+            else:
+                from_line = message
+                message = b''
+        elif isinstance(message, _mboxMMDFMessage):
+            author = message.get_from().encode('ascii')
+            from_line = b'From ' + author
+        elif isinstance(message, email.message.Message):
+            from_line = message.get_unixfrom()  # May be None.
+            if from_line is not None:
+                from_line = from_line.encode('ascii')
+        if from_line is None:
+            from_line = b'From MAILER-DAEMON ' + time.asctime(time.gmtime()).encode()
+        start = self._file.tell()
+        self._file.write(from_line + linesep)
+        self._dump_message(message, self._file, self._mangle_from_)
+        stop = self._file.tell()
+        return (start, stop)
+
+
+class mbox(_mboxMMDF):
+    """A classic mbox mailbox."""
+
+    _mangle_from_ = True
+
+    # All messages must end in a newline character, and
+    # _post_message_hooks outputs an empty line between messages.
+    _append_newline = True
+
+    def __init__(self, path, factory=None, create=True):
+        """Initialize an mbox mailbox."""
+        self._message_factory = mboxMessage
+        _mboxMMDF.__init__(self, path, factory, create)
+
+    def _post_message_hook(self, f):
+        """Called after writing each message to file f."""
+        f.write(linesep)
+
+    def _generate_toc(self):
+        """Generate key-to-(start, stop) table of contents."""
+        starts, stops = [], []
+        last_was_empty = False
+        self._file.seek(0)
+        while True:
+            line_pos = self._file.tell()
+            line = self._file.readline()
+            if line.startswith(b'From '):
+                if len(stops) < len(starts):
+                    if last_was_empty:
+                        stops.append(line_pos - len(linesep))
+                    else:
+                        # The last line before the "From " line wasn't
+                        # blank, but we consider it a start of a
+                        # message anyway.
+                        stops.append(line_pos)
+                starts.append(line_pos)
+                last_was_empty = False
+            elif not line:
+                if last_was_empty:
+                    stops.append(line_pos - len(linesep))
+                else:
+                    stops.append(line_pos)
+                break
+            elif line == linesep:
+                last_was_empty = True
+            else:
+                last_was_empty = False
+        self._toc = dict(enumerate(zip(starts, stops)))
+        self._next_key = len(self._toc)
+        self._file_length = self._file.tell()
+
+
+class MMDF(_mboxMMDF):
+    """An MMDF mailbox."""
+
+    def __init__(self, path, factory=None, create=True):
+        """Initialize an MMDF mailbox."""
+        self._message_factory = MMDFMessage
+        _mboxMMDF.__init__(self, path, factory, create)
+
+    def _pre_message_hook(self, f):
+        """Called before writing each message to file f."""
+        f.write(b'\001\001\001\001' + linesep)
+
+    def _post_message_hook(self, f):
+        """Called after writing each message to file f."""
+        f.write(linesep + b'\001\001\001\001' + linesep)
+
+    def _generate_toc(self):
+        """Generate key-to-(start, stop) table of contents."""
+        starts, stops = [], []
+        self._file.seek(0)
+        next_pos = 0
+        while True:
+            line_pos = next_pos
+            line = self._file.readline()
+            next_pos = self._file.tell()
+            if line.startswith(b'\001\001\001\001' + linesep):
+                starts.append(next_pos)
+                while True:
+                    line_pos = next_pos
+                    line = self._file.readline()
+                    next_pos = self._file.tell()
+                    if line == b'\001\001\001\001' + linesep:
+                        stops.append(line_pos - len(linesep))
+                        break
+                    elif not line:
+                        stops.append(line_pos)
+                        break
+            elif not line:
+                break
+        self._toc = dict(enumerate(zip(starts, stops)))
+        self._next_key = len(self._toc)
+        self._file.seek(0, 2)
+        self._file_length = self._file.tell()
+
+
+class MH(Mailbox):
+    """An MH mailbox."""
+
+    def __init__(self, path, factory=None, create=True):
+        """Initialize an MH instance."""
+        Mailbox.__init__(self, path, factory, create)
+        if not os.path.exists(self._path):
+            if create:
+                os.mkdir(self._path, 0o700)
+                os.close(os.open(os.path.join(self._path, '.mh_sequences'),
+                                 os.O_CREAT | os.O_EXCL | os.O_WRONLY, 0o600))
+            else:
+                raise NoSuchMailboxError(self._path)
+        self._locked = False
+
+    def add(self, message):
+        """Add message and return assigned key."""
+        keys = self.keys()
+        if len(keys) == 0:
+            new_key = 1
+        else:
+            new_key = max(keys) + 1
+        new_path = os.path.join(self._path, str(new_key))
+        f = _create_carefully(new_path)
+        closed = False
+        try:
+            if self._locked:
+                _lock_file(f)
+            try:
+                try:
+                    self._dump_message(message, f)
+                except BaseException:
+                    # Unlock and close so it can be deleted on Windows
+                    if self._locked:
+                        _unlock_file(f)
+                    _sync_close(f)
+                    closed = True
+                    os.remove(new_path)
+                    raise
+                if isinstance(message, MHMessage):
+                    self._dump_sequences(message, new_key)
+            finally:
+                if self._locked:
+                    _unlock_file(f)
+        finally:
+            if not closed:
+                _sync_close(f)
+        return new_key
+
+    def remove(self, key):
+        """Remove the keyed message; raise KeyError if it doesn't exist."""
+        path = os.path.join(self._path, str(key))
+        try:
+            f = open(path, 'rb+')
+        except OSError as e:
+            if e.errno == errno.ENOENT:
+                raise KeyError('No message with key: %s' % key)
+            else:
+                raise
+        else:
+            f.close()
+            os.remove(path)
+
+    def __setitem__(self, key, message):
+        """Replace the keyed message; raise KeyError if it doesn't exist."""
+        path = os.path.join(self._path, str(key))
+        try:
+            f = open(path, 'rb+')
+        except OSError as e:
+            if e.errno == errno.ENOENT:
+                raise KeyError('No message with key: %s' % key)
+            else:
+                raise
+        try:
+            if self._locked:
+                _lock_file(f)
+            try:
+                os.close(os.open(path, os.O_WRONLY | os.O_TRUNC))
+                self._dump_message(message, f)
+                if isinstance(message, MHMessage):
+                    self._dump_sequences(message, key)
+            finally:
+                if self._locked:
+                    _unlock_file(f)
+        finally:
+            _sync_close(f)
+
+    def get_message(self, key):
+        """Return a Message representation or raise a KeyError."""
+        try:
+            if self._locked:
+                f = open(os.path.join(self._path, str(key)), 'rb+')
+            else:
+                f = open(os.path.join(self._path, str(key)), 'rb')
+        except OSError as e:
+            if e.errno == errno.ENOENT:
+                raise KeyError('No message with key: %s' % key)
+            else:
+                raise
+        with f:
+            if self._locked:
+                _lock_file(f)
+            try:
+                msg = MHMessage(f)
+            finally:
+                if self._locked:
+                    _unlock_file(f)
+        for name, key_list in self.get_sequences().items():
+            if key in key_list:
+                msg.add_sequence(name)
+        return msg
+
+    def get_bytes(self, key):
+        """Return a bytes representation or raise a KeyError."""
+        try:
+            if self._locked:
+                f = open(os.path.join(self._path, str(key)), 'rb+')
+            else:
+                f = open(os.path.join(self._path, str(key)), 'rb')
+        except OSError as e:
+            if e.errno == errno.ENOENT:
+                raise KeyError('No message with key: %s' % key)
+            else:
+                raise
+        with f:
+            if self._locked:
+                _lock_file(f)
+            try:
+                return f.read().replace(linesep, b'\n')
+            finally:
+                if self._locked:
+                    _unlock_file(f)
+
+    def get_file(self, key):
+        """Return a file-like representation or raise a KeyError."""
+        try:
+            f = open(os.path.join(self._path, str(key)), 'rb')
+        except OSError as e:
+            if e.errno == errno.ENOENT:
+                raise KeyError('No message with key: %s' % key)
+            else:
+                raise
+        return _ProxyFile(f)
+
+    def iterkeys(self):
+        """Return an iterator over keys."""
+        return iter(sorted(int(entry) for entry in os.listdir(self._path)
+                                      if entry.isdigit()))
+
+    def __contains__(self, key):
+        """Return True if the keyed message exists, False otherwise."""
+        return os.path.exists(os.path.join(self._path, str(key)))
+
+    def __len__(self):
+        """Return a count of messages in the mailbox."""
+        return len(list(self.iterkeys()))
+
+    def lock(self):
+        """Lock the mailbox."""
+        if not self._locked:
+            self._file = open(os.path.join(self._path, '.mh_sequences'), 'rb+')
+            _lock_file(self._file)
+            self._locked = True
+
+    def unlock(self):
+        """Unlock the mailbox if it is locked."""
+        if self._locked:
+            _unlock_file(self._file)
+            _sync_close(self._file)
+            del self._file
+            self._locked = False
+
+    def flush(self):
+        """Write any pending changes to the disk."""
+        return
+
+    def close(self):
+        """Flush and close the mailbox."""
+        if self._locked:
+            self.unlock()
+
+    def list_folders(self):
+        """Return a list of folder names."""
+        result = []
+        for entry in os.listdir(self._path):
+            if os.path.isdir(os.path.join(self._path, entry)):
+                result.append(entry)
+        return result
+
+    def get_folder(self, folder):
+        """Return an MH instance for the named folder."""
+        return MH(os.path.join(self._path, folder),
+                  factory=self._factory, create=False)
+
+    def add_folder(self, folder):
+        """Create a folder and return an MH instance representing it."""
+        return MH(os.path.join(self._path, folder),
+                  factory=self._factory)
+
+    def remove_folder(self, folder):
+        """Delete the named folder, which must be empty."""
+        path = os.path.join(self._path, folder)
+        entries = os.listdir(path)
+        if entries == ['.mh_sequences']:
+            os.remove(os.path.join(path, '.mh_sequences'))
+        elif entries == []:
+            pass
+        else:
+            raise NotEmptyError('Folder not empty: %s' % self._path)
+        os.rmdir(path)
+
+    def get_sequences(self):
+        """Return a name-to-key-list dictionary to define each sequence."""
+        results = {}
+        with open(os.path.join(self._path, '.mh_sequences'), 'r', encoding='ASCII') as f:
+            all_keys = set(self.keys())
+            for line in f:
+                try:
+                    name, contents = line.split(':')
+                    keys = set()
+                    for spec in contents.split():
+                        if spec.isdigit():
+                            keys.add(int(spec))
+                        else:
+                            start, stop = (int(x) for x in spec.split('-'))
+                            keys.update(range(start, stop + 1))
+                    results[name] = [key for key in sorted(keys) \
+                                         if key in all_keys]
+                    if len(results[name]) == 0:
+                        del results[name]
+                except ValueError:
+                    raise FormatError('Invalid sequence specification: %s' %
+                                      line.rstrip())
+        return results
+
+    def set_sequences(self, sequences):
+        """Set sequences using the given name-to-key-list dictionary."""
+        f = open(os.path.join(self._path, '.mh_sequences'), 'r+', encoding='ASCII')
+        try:
+            os.close(os.open(f.name, os.O_WRONLY | os.O_TRUNC))
+            for name, keys in sequences.items():
+                if len(keys) == 0:
+                    continue
+                f.write(name + ':')
+                prev = None
+                completing = False
+                for key in sorted(set(keys)):
+                    if key - 1 == prev:
+                        if not completing:
+                            completing = True
+                            f.write('-')
+                    elif completing:
+                        completing = False
+                        f.write('%s %s' % (prev, key))
+                    else:
+                        f.write(' %s' % key)
+                    prev = key
+                if completing:
+                    f.write(str(prev) + '\n')
+                else:
+                    f.write('\n')
+        finally:
+            _sync_close(f)
+
+    def pack(self):
+        """Re-name messages to eliminate numbering gaps. Invalidates keys."""
+        sequences = self.get_sequences()
+        prev = 0
+        changes = []
+        for key in self.iterkeys():
+            if key - 1 != prev:
+                changes.append((key, prev + 1))
+                try:
+                    os.link(os.path.join(self._path, str(key)),
+                            os.path.join(self._path, str(prev + 1)))
+                except (AttributeError, PermissionError):
+                    os.rename(os.path.join(self._path, str(key)),
+                              os.path.join(self._path, str(prev + 1)))
+                else:
+                    os.unlink(os.path.join(self._path, str(key)))
+            prev += 1
+        self._next_key = prev + 1
+        if len(changes) == 0:
+            return
+        for name, key_list in sequences.items():
+            for old, new in changes:
+                if old in key_list:
+                    key_list[key_list.index(old)] = new
+        self.set_sequences(sequences)
+
+    def _dump_sequences(self, message, key):
+        """Inspect a new MHMessage and update sequences appropriately."""
+        pending_sequences = message.get_sequences()
+        all_sequences = self.get_sequences()
+        for name, key_list in all_sequences.items():
+            if name in pending_sequences:
+                key_list.append(key)
+            elif key in key_list:
+                del key_list[key_list.index(key)]
+        for sequence in pending_sequences:
+            if sequence not in all_sequences:
+                all_sequences[sequence] = [key]
+        self.set_sequences(all_sequences)
+
+
+class Babyl(_singlefileMailbox):
+    """An Rmail-style Babyl mailbox."""
+
+    _special_labels = frozenset({'unseen', 'deleted', 'filed', 'answered',
+                                 'forwarded', 'edited', 'resent'})
+
+    def __init__(self, path, factory=None, create=True):
+        """Initialize a Babyl mailbox."""
+        _singlefileMailbox.__init__(self, path, factory, create)
+        self._labels = {}
+
+    def add(self, message):
+        """Add message and return assigned key."""
+        key = _singlefileMailbox.add(self, message)
+        if isinstance(message, BabylMessage):
+            self._labels[key] = message.get_labels()
+        return key
+
+    def remove(self, key):
+        """Remove the keyed message; raise KeyError if it doesn't exist."""
+        _singlefileMailbox.remove(self, key)
+        if key in self._labels:
+            del self._labels[key]
+
+    def __setitem__(self, key, message):
+        """Replace the keyed message; raise KeyError if it doesn't exist."""
+        _singlefileMailbox.__setitem__(self, key, message)
+        if isinstance(message, BabylMessage):
+            self._labels[key] = message.get_labels()
+
+    def get_message(self, key):
+        """Return a Message representation or raise a KeyError."""
+        start, stop = self._lookup(key)
+        self._file.seek(start)
+        self._file.readline()   # Skip b'1,' line specifying labels.
+        original_headers = io.BytesIO()
+        while True:
+            line = self._file.readline()
+            if line == b'*** EOOH ***' + linesep or not line:
+                break
+            original_headers.write(line.replace(linesep, b'\n'))
+        visible_headers = io.BytesIO()
+        while True:
+            line = self._file.readline()
+            if line == linesep or not line:
+                break
+            visible_headers.write(line.replace(linesep, b'\n'))
+        # Read up to the stop, or to the end
+        n = stop - self._file.tell()
+        assert n >= 0
+        body = self._file.read(n)
+        body = body.replace(linesep, b'\n')
+        msg = BabylMessage(original_headers.getvalue() + body)
+        msg.set_visible(visible_headers.getvalue())
+        if key in self._labels:
+            msg.set_labels(self._labels[key])
+        return msg
+
+    def get_bytes(self, key):
+        """Return a string representation or raise a KeyError."""
+        start, stop = self._lookup(key)
+        self._file.seek(start)
+        self._file.readline()   # Skip b'1,' line specifying labels.
+        original_headers = io.BytesIO()
+        while True:
+            line = self._file.readline()
+            if line == b'*** EOOH ***' + linesep or not line:
+                break
+            original_headers.write(line.replace(linesep, b'\n'))
+        while True:
+            line = self._file.readline()
+            if line == linesep or not line:
+                break
+        headers = original_headers.getvalue()
+        n = stop - self._file.tell()
+        assert n >= 0
+        data = self._file.read(n)
+        data = data.replace(linesep, b'\n')
+        return headers + data
+
+    def get_file(self, key):
+        """Return a file-like representation or raise a KeyError."""
+        return io.BytesIO(self.get_bytes(key).replace(b'\n', linesep))
+
+    def get_labels(self):
+        """Return a list of user-defined labels in the mailbox."""
+        self._lookup()
+        labels = set()
+        for label_list in self._labels.values():
+            labels.update(label_list)
+        labels.difference_update(self._special_labels)
+        return list(labels)
+
+    def _generate_toc(self):
+        """Generate key-to-(start, stop) table of contents."""
+        starts, stops = [], []
+        self._file.seek(0)
+        next_pos = 0
+        label_lists = []
+        while True:
+            line_pos = next_pos
+            line = self._file.readline()
+            next_pos = self._file.tell()
+            if line == b'\037\014' + linesep:
+                if len(stops) < len(starts):
+                    stops.append(line_pos - len(linesep))
+                starts.append(next_pos)
+                labels = [label.strip() for label
+                                        in self._file.readline()[1:].split(b',')
+                                        if label.strip()]
+                label_lists.append(labels)
+            elif line == b'\037' or line == b'\037' + linesep:
+                if len(stops) < len(starts):
+                    stops.append(line_pos - len(linesep))
+            elif not line:
+                stops.append(line_pos - len(linesep))
+                break
+        self._toc = dict(enumerate(zip(starts, stops)))
+        self._labels = dict(enumerate(label_lists))
+        self._next_key = len(self._toc)
+        self._file.seek(0, 2)
+        self._file_length = self._file.tell()
+
+    def _pre_mailbox_hook(self, f):
+        """Called before writing the mailbox to file f."""
+        babyl = b'BABYL OPTIONS:' + linesep
+        babyl += b'Version: 5' + linesep
+        labels = self.get_labels()
+        labels = (label.encode() for label in labels)
+        babyl += b'Labels:' + b','.join(labels) + linesep
+        babyl += b'\037'
+        f.write(babyl)
+
+    def _pre_message_hook(self, f):
+        """Called before writing each message to file f."""
+        f.write(b'\014' + linesep)
+
+    def _post_message_hook(self, f):
+        """Called after writing each message to file f."""
+        f.write(linesep + b'\037')
+
+    def _install_message(self, message):
+        """Write message contents and return (start, stop)."""
+        start = self._file.tell()
+        if isinstance(message, BabylMessage):
+            special_labels = []
+            labels = []
+            for label in message.get_labels():
+                if label in self._special_labels:
+                    special_labels.append(label)
+                else:
+                    labels.append(label)
+            self._file.write(b'1')
+            for label in special_labels:
+                self._file.write(b', ' + label.encode())
+            self._file.write(b',,')
+            for label in labels:
+                self._file.write(b' ' + label.encode() + b',')
+            self._file.write(linesep)
+        else:
+            self._file.write(b'1,,' + linesep)
+        if isinstance(message, email.message.Message):
+            orig_buffer = io.BytesIO()
+            orig_generator = email.generator.BytesGenerator(orig_buffer, False, 0)
+            orig_generator.flatten(message)
+            orig_buffer.seek(0)
+            while True:
+                line = orig_buffer.readline()
+                self._file.write(line.replace(b'\n', linesep))
+                if line == b'\n' or not line:
+                    break
+            self._file.write(b'*** EOOH ***' + linesep)
+            if isinstance(message, BabylMessage):
+                vis_buffer = io.BytesIO()
+                vis_generator = email.generator.BytesGenerator(vis_buffer, False, 0)
+                vis_generator.flatten(message.get_visible())
+                while True:
+                    line = vis_buffer.readline()
+                    self._file.write(line.replace(b'\n', linesep))
+                    if line == b'\n' or not line:
+                        break
+            else:
+                orig_buffer.seek(0)
+                while True:
+                    line = orig_buffer.readline()
+                    self._file.write(line.replace(b'\n', linesep))
+                    if line == b'\n' or not line:
+                        break
+            while True:
+                buffer = orig_buffer.read(4096) # Buffer size is arbitrary.
+                if not buffer:
+                    break
+                self._file.write(buffer.replace(b'\n', linesep))
+        elif isinstance(message, (bytes, str, io.StringIO)):
+            if isinstance(message, io.StringIO):
+                warnings.warn("Use of StringIO input is deprecated, "
+                    "use BytesIO instead", DeprecationWarning, 3)
+                message = message.getvalue()
+            if isinstance(message, str):
+                message = self._string_to_bytes(message)
+            body_start = message.find(b'\n\n') + 2
+            if body_start - 2 != -1:
+                self._file.write(message[:body_start].replace(b'\n', linesep))
+                self._file.write(b'*** EOOH ***' + linesep)
+                self._file.write(message[:body_start].replace(b'\n', linesep))
+                self._file.write(message[body_start:].replace(b'\n', linesep))
+            else:
+                self._file.write(b'*** EOOH ***' + linesep + linesep)
+                self._file.write(message.replace(b'\n', linesep))
+        elif hasattr(message, 'readline'):
+            if hasattr(message, 'buffer'):
+                warnings.warn("Use of text mode files is deprecated, "
+                    "use a binary mode file instead", DeprecationWarning, 3)
+                message = message.buffer
+            original_pos = message.tell()
+            first_pass = True
+            while True:
+                line = message.readline()
+                # Universal newline support.
+                if line.endswith(b'\r\n'):
+                    line = line[:-2] + b'\n'
+                elif line.endswith(b'\r'):
+                    line = line[:-1] + b'\n'
+                self._file.write(line.replace(b'\n', linesep))
+                if line == b'\n' or not line:
+                    if first_pass:
+                        first_pass = False
+                        self._file.write(b'*** EOOH ***' + linesep)
+                        message.seek(original_pos)
+                    else:
+                        break
+            while True:
+                line = message.readline()
+                if not line:
+                    break
+                # Universal newline support.
+                if line.endswith(b'\r\n'):
+                    line = line[:-2] + linesep
+                elif line.endswith(b'\r'):
+                    line = line[:-1] + linesep
+                elif line.endswith(b'\n'):
+                    line = line[:-1] + linesep
+                self._file.write(line)
+        else:
+            raise TypeError('Invalid message type: %s' % type(message))
+        stop = self._file.tell()
+        return (start, stop)
+
+
+class Message(email.message.Message):
+    """Message with mailbox-format-specific properties."""
+
+    def __init__(self, message=None):
+        """Initialize a Message instance."""
+        if isinstance(message, email.message.Message):
+            self._become_message(copy.deepcopy(message))
+            if isinstance(message, Message):
+                message._explain_to(self)
+        elif isinstance(message, bytes):
+            self._become_message(email.message_from_bytes(message))
+        elif isinstance(message, str):
+            self._become_message(email.message_from_string(message))
+        elif isinstance(message, io.TextIOWrapper):
+            self._become_message(email.message_from_file(message))
+        elif hasattr(message, "read"):
+            self._become_message(email.message_from_binary_file(message))
+        elif message is None:
+            email.message.Message.__init__(self)
+        else:
+            raise TypeError('Invalid message type: %s' % type(message))
+
+    def _become_message(self, message):
+        """Assume the non-format-specific state of message."""
+        type_specific = getattr(message, '_type_specific_attributes', [])
+        for name in message.__dict__:
+            if name not in type_specific:
+                self.__dict__[name] = message.__dict__[name]
+
+    def _explain_to(self, message):
+        """Copy format-specific state to message insofar as possible."""
+        if isinstance(message, Message):
+            return  # There's nothing format-specific to explain.
+        else:
+            raise TypeError('Cannot convert to specified type')
+
+
+class MaildirMessage(Message):
+    """Message with Maildir-specific properties."""
+
+    _type_specific_attributes = ['_subdir', '_info', '_date']
+
+    def __init__(self, message=None):
+        """Initialize a MaildirMessage instance."""
+        self._subdir = 'new'
+        self._info = ''
+        self._date = time.time()
+        Message.__init__(self, message)
+
+    def get_subdir(self):
+        """Return 'new' or 'cur'."""
+        return self._subdir
+
+    def set_subdir(self, subdir):
+        """Set subdir to 'new' or 'cur'."""
+        if subdir == 'new' or subdir == 'cur':
+            self._subdir = subdir
+        else:
+            raise ValueError("subdir must be 'new' or 'cur': %s" % subdir)
+
+    def get_flags(self):
+        """Return as a string the flags that are set."""
+        if self._info.startswith('2,'):
+            return self._info[2:]
+        else:
+            return ''
+
+    def set_flags(self, flags):
+        """Set the given flags and unset all others."""
+        self._info = '2,' + ''.join(sorted(flags))
+
+    def add_flag(self, flag):
+        """Set the given flag(s) without changing others."""
+        self.set_flags(''.join(set(self.get_flags()) | set(flag)))
+
+    def remove_flag(self, flag):
+        """Unset the given string flag(s) without changing others."""
+        if self.get_flags():
+            self.set_flags(''.join(set(self.get_flags()) - set(flag)))
+
+    def get_date(self):
+        """Return delivery date of message, in seconds since the epoch."""
+        return self._date
+
+    def set_date(self, date):
+        """Set delivery date of message, in seconds since the epoch."""
+        try:
+            self._date = float(date)
+        except ValueError:
+            raise TypeError("can't convert to float: %s" % date) from None
+
+    def get_info(self):
+        """Get the message's "info" as a string."""
+        return self._info
+
+    def set_info(self, info):
+        """Set the message's "info" string."""
+        if isinstance(info, str):
+            self._info = info
+        else:
+            raise TypeError('info must be a string: %s' % type(info))
+
+    def _explain_to(self, message):
+        """Copy Maildir-specific state to message insofar as possible."""
+        if isinstance(message, MaildirMessage):
+            message.set_flags(self.get_flags())
+            message.set_subdir(self.get_subdir())
+            message.set_date(self.get_date())
+        elif isinstance(message, _mboxMMDFMessage):
+            flags = set(self.get_flags())
+            if 'S' in flags:
+                message.add_flag('R')
+            if self.get_subdir() == 'cur':
+                message.add_flag('O')
+            if 'T' in flags:
+                message.add_flag('D')
+            if 'F' in flags:
+                message.add_flag('F')
+            if 'R' in flags:
+                message.add_flag('A')
+            message.set_from('MAILER-DAEMON', time.gmtime(self.get_date()))
+        elif isinstance(message, MHMessage):
+            flags = set(self.get_flags())
+            if 'S' not in flags:
+                message.add_sequence('unseen')
+            if 'R' in flags:
+                message.add_sequence('replied')
+            if 'F' in flags:
+                message.add_sequence('flagged')
+        elif isinstance(message, BabylMessage):
+            flags = set(self.get_flags())
+            if 'S' not in flags:
+                message.add_label('unseen')
+            if 'T' in flags:
+                message.add_label('deleted')
+            if 'R' in flags:
+                message.add_label('answered')
+            if 'P' in flags:
+                message.add_label('forwarded')
+        elif isinstance(message, Message):
+            pass
+        else:
+            raise TypeError('Cannot convert to specified type: %s' %
+                            type(message))
+
+
+class _mboxMMDFMessage(Message):
+    """Message with mbox- or MMDF-specific properties."""
+
+    _type_specific_attributes = ['_from']
+
+    def __init__(self, message=None):
+        """Initialize an mboxMMDFMessage instance."""
+        self.set_from('MAILER-DAEMON', True)
+        if isinstance(message, email.message.Message):
+            unixfrom = message.get_unixfrom()
+            if unixfrom is not None and unixfrom.startswith('From '):
+                self.set_from(unixfrom[5:])
+        Message.__init__(self, message)
+
+    def get_from(self):
+        """Return contents of "From " line."""
+        return self._from
+
+    def set_from(self, from_, time_=None):
+        """Set "From " line, formatting and appending time_ if specified."""
+        if time_ is not None:
+            if time_ is True:
+                time_ = time.gmtime()
+            from_ += ' ' + time.asctime(time_)
+        self._from = from_
+
+    def get_flags(self):
+        """Return as a string the flags that are set."""
+        return self.get('Status', '') + self.get('X-Status', '')
+
+    def set_flags(self, flags):
+        """Set the given flags and unset all others."""
+        flags = set(flags)
+        status_flags, xstatus_flags = '', ''
+        for flag in ('R', 'O'):
+            if flag in flags:
+                status_flags += flag
+                flags.remove(flag)
+        for flag in ('D', 'F', 'A'):
+            if flag in flags:
+                xstatus_flags += flag
+                flags.remove(flag)
+        xstatus_flags += ''.join(sorted(flags))
+        try:
+            self.replace_header('Status', status_flags)
+        except KeyError:
+            self.add_header('Status', status_flags)
+        try:
+            self.replace_header('X-Status', xstatus_flags)
+        except KeyError:
+            self.add_header('X-Status', xstatus_flags)
+
+    def add_flag(self, flag):
+        """Set the given flag(s) without changing others."""
+        self.set_flags(''.join(set(self.get_flags()) | set(flag)))
+
+    def remove_flag(self, flag):
+        """Unset the given string flag(s) without changing others."""
+        if 'Status' in self or 'X-Status' in self:
+            self.set_flags(''.join(set(self.get_flags()) - set(flag)))
+
+    def _explain_to(self, message):
+        """Copy mbox- or MMDF-specific state to message insofar as possible."""
+        if isinstance(message, MaildirMessage):
+            flags = set(self.get_flags())
+            if 'O' in flags:
+                message.set_subdir('cur')
+            if 'F' in flags:
+                message.add_flag('F')
+            if 'A' in flags:
+                message.add_flag('R')
+            if 'R' in flags:
+                message.add_flag('S')
+            if 'D' in flags:
+                message.add_flag('T')
+            del message['status']
+            del message['x-status']
+            maybe_date = ' '.join(self.get_from().split()[-5:])
+            try:
+                message.set_date(calendar.timegm(time.strptime(maybe_date,
+                                                      '%a %b %d %H:%M:%S %Y')))
+            except (ValueError, OverflowError):
+                pass
+        elif isinstance(message, _mboxMMDFMessage):
+            message.set_flags(self.get_flags())
+            message.set_from(self.get_from())
+        elif isinstance(message, MHMessage):
+            flags = set(self.get_flags())
+            if 'R' not in flags:
+                message.add_sequence('unseen')
+            if 'A' in flags:
+                message.add_sequence('replied')
+            if 'F' in flags:
+                message.add_sequence('flagged')
+            del message['status']
+            del message['x-status']
+        elif isinstance(message, BabylMessage):
+            flags = set(self.get_flags())
+            if 'R' not in flags:
+                message.add_label('unseen')
+            if 'D' in flags:
+                message.add_label('deleted')
+            if 'A' in flags:
+                message.add_label('answered')
+            del message['status']
+            del message['x-status']
+        elif isinstance(message, Message):
+            pass
+        else:
+            raise TypeError('Cannot convert to specified type: %s' %
+                            type(message))
+
+
+class mboxMessage(_mboxMMDFMessage):
+    """Message with mbox-specific properties."""
+
+
+class MHMessage(Message):
+    """Message with MH-specific properties."""
+
+    _type_specific_attributes = ['_sequences']
+
+    def __init__(self, message=None):
+        """Initialize an MHMessage instance."""
+        self._sequences = []
+        Message.__init__(self, message)
+
+    def get_sequences(self):
+        """Return a list of sequences that include the message."""
+        return self._sequences[:]
+
+    def set_sequences(self, sequences):
+        """Set the list of sequences that include the message."""
+        self._sequences = list(sequences)
+
+    def add_sequence(self, sequence):
+        """Add sequence to list of sequences including the message."""
+        if isinstance(sequence, str):
+            if not sequence in self._sequences:
+                self._sequences.append(sequence)
+        else:
+            raise TypeError('sequence type must be str: %s' % type(sequence))
+
+    def remove_sequence(self, sequence):
+        """Remove sequence from the list of sequences including the message."""
+        try:
+            self._sequences.remove(sequence)
+        except ValueError:
+            pass
+
+    def _explain_to(self, message):
+        """Copy MH-specific state to message insofar as possible."""
+        if isinstance(message, MaildirMessage):
+            sequences = set(self.get_sequences())
+            if 'unseen' in sequences:
+                message.set_subdir('cur')
+            else:
+                message.set_subdir('cur')
+                message.add_flag('S')
+            if 'flagged' in sequences:
+                message.add_flag('F')
+            if 'replied' in sequences:
+                message.add_flag('R')
+        elif isinstance(message, _mboxMMDFMessage):
+            sequences = set(self.get_sequences())
+            if 'unseen' not in sequences:
+                message.add_flag('RO')
+            else:
+                message.add_flag('O')
+            if 'flagged' in sequences:
+                message.add_flag('F')
+            if 'replied' in sequences:
+                message.add_flag('A')
+        elif isinstance(message, MHMessage):
+            for sequence in self.get_sequences():
+                message.add_sequence(sequence)
+        elif isinstance(message, BabylMessage):
+            sequences = set(self.get_sequences())
+            if 'unseen' in sequences:
+                message.add_label('unseen')
+            if 'replied' in sequences:
+                message.add_label('answered')
+        elif isinstance(message, Message):
+            pass
+        else:
+            raise TypeError('Cannot convert to specified type: %s' %
+                            type(message))
+
+
+class BabylMessage(Message):
+    """Message with Babyl-specific properties."""
+
+    _type_specific_attributes = ['_labels', '_visible']
+
+    def __init__(self, message=None):
+        """Initialize a BabylMessage instance."""
+        self._labels = []
+        self._visible = Message()
+        Message.__init__(self, message)
+
+    def get_labels(self):
+        """Return a list of labels on the message."""
+        return self._labels[:]
+
+    def set_labels(self, labels):
+        """Set the list of labels on the message."""
+        self._labels = list(labels)
+
+    def add_label(self, label):
+        """Add label to list of labels on the message."""
+        if isinstance(label, str):
+            if label not in self._labels:
+                self._labels.append(label)
+        else:
+            raise TypeError('label must be a string: %s' % type(label))
+
+    def remove_label(self, label):
+        """Remove label from the list of labels on the message."""
+        try:
+            self._labels.remove(label)
+        except ValueError:
+            pass
+
+    def get_visible(self):
+        """Return a Message representation of visible headers."""
+        return Message(self._visible)
+
+    def set_visible(self, visible):
+        """Set the Message representation of visible headers."""
+        self._visible = Message(visible)
+
+    def update_visible(self):
+        """Update and/or sensibly generate a set of visible headers."""
+        for header in self._visible.keys():
+            if header in self:
+                self._visible.replace_header(header, self[header])
+            else:
+                del self._visible[header]
+        for header in ('Date', 'From', 'Reply-To', 'To', 'CC', 'Subject'):
+            if header in self and header not in self._visible:
+                self._visible[header] = self[header]
+
+    def _explain_to(self, message):
+        """Copy Babyl-specific state to message insofar as possible."""
+        if isinstance(message, MaildirMessage):
+            labels = set(self.get_labels())
+            if 'unseen' in labels:
+                message.set_subdir('cur')
+            else:
+                message.set_subdir('cur')
+                message.add_flag('S')
+            if 'forwarded' in labels or 'resent' in labels:
+                message.add_flag('P')
+            if 'answered' in labels:
+                message.add_flag('R')
+            if 'deleted' in labels:
+                message.add_flag('T')
+        elif isinstance(message, _mboxMMDFMessage):
+            labels = set(self.get_labels())
+            if 'unseen' not in labels:
+                message.add_flag('RO')
+            else:
+                message.add_flag('O')
+            if 'deleted' in labels:
+                message.add_flag('D')
+            if 'answered' in labels:
+                message.add_flag('A')
+        elif isinstance(message, MHMessage):
+            labels = set(self.get_labels())
+            if 'unseen' in labels:
+                message.add_sequence('unseen')
+            if 'answered' in labels:
+                message.add_sequence('replied')
+        elif isinstance(message, BabylMessage):
+            message.set_visible(self.get_visible())
+            for label in self.get_labels():
+                message.add_label(label)
+        elif isinstance(message, Message):
+            pass
+        else:
+            raise TypeError('Cannot convert to specified type: %s' %
+                            type(message))
+
+
+class MMDFMessage(_mboxMMDFMessage):
+    """Message with MMDF-specific properties."""
+
+
+class _ProxyFile:
+    """A read-only wrapper of a file."""
+
+    def __init__(self, f, pos=None):
+        """Initialize a _ProxyFile."""
+        self._file = f
+        if pos is None:
+            self._pos = f.tell()
+        else:
+            self._pos = pos
+
+    def read(self, size=None):
+        """Read bytes."""
+        return self._read(size, self._file.read)
+
+    def read1(self, size=None):
+        """Read bytes."""
+        return self._read(size, self._file.read1)
+
+    def readline(self, size=None):
+        """Read a line."""
+        return self._read(size, self._file.readline)
+
+    def readlines(self, sizehint=None):
+        """Read multiple lines."""
+        result = []
+        for line in self:
+            result.append(line)
+            if sizehint is not None:
+                sizehint -= len(line)
+                if sizehint <= 0:
+                    break
+        return result
+
+    def __iter__(self):
+        """Iterate over lines."""
+        while True:
+            line = self.readline()
+            if not line:
+                return
+            yield line
+
+    def tell(self):
+        """Return the position."""
+        return self._pos
+
+    def seek(self, offset, whence=0):
+        """Change position."""
+        if whence == 1:
+            self._file.seek(self._pos)
+        self._file.seek(offset, whence)
+        self._pos = self._file.tell()
+
+    def close(self):
+        """Close the file."""
+        if hasattr(self, '_file'):
+            try:
+                if hasattr(self._file, 'close'):
+                    self._file.close()
+            finally:
+                del self._file
+
+    def _read(self, size, read_method):
+        """Read size bytes using read_method."""
+        if size is None:
+            size = -1
+        self._file.seek(self._pos)
+        result = read_method(size)
+        self._pos = self._file.tell()
+        return result
+
+    def __enter__(self):
+        """Context management protocol support."""
+        return self
+
+    def __exit__(self, *exc):
+        self.close()
+
+    def readable(self):
+        return self._file.readable()
+
+    def writable(self):
+        return self._file.writable()
+
+    def seekable(self):
+        return self._file.seekable()
+
+    def flush(self):
+        return self._file.flush()
+
+    @property
+    def closed(self):
+        if not hasattr(self, '_file'):
+            return True
+        if not hasattr(self._file, 'closed'):
+            return False
+        return self._file.closed
+
+
+class _PartialFile(_ProxyFile):
+    """A read-only wrapper of part of a file."""
+
+    def __init__(self, f, start=None, stop=None):
+        """Initialize a _PartialFile."""
+        _ProxyFile.__init__(self, f, start)
+        self._start = start
+        self._stop = stop
+
+    def tell(self):
+        """Return the position with respect to start."""
+        return _ProxyFile.tell(self) - self._start
+
+    def seek(self, offset, whence=0):
+        """Change position, possibly with respect to start or stop."""
+        if whence == 0:
+            self._pos = self._start
+            whence = 1
+        elif whence == 2:
+            self._pos = self._stop
+            whence = 1
+        _ProxyFile.seek(self, offset, whence)
+
+    def _read(self, size, read_method):
+        """Read size bytes using read_method, honoring start and stop."""
+        remaining = self._stop - self._pos
+        if remaining <= 0:
+            return b''
+        if size is None or size < 0 or size > remaining:
+            size = remaining
+        return _ProxyFile._read(self, size, read_method)
+
+    def close(self):
+        # do *not* close the underlying file object for partial files,
+        # since it's global to the mailbox object
+        if hasattr(self, '_file'):
+            del self._file
+
+
+def _lock_file(f, dotlock=True):
+    """Lock file f using lockf and dot locking."""
+    dotlock_done = False
+    try:
+        if fcntl:
+            try:
+                fcntl.lockf(f, fcntl.LOCK_EX | fcntl.LOCK_NB)
+            except OSError as e:
+                if e.errno in (errno.EAGAIN, errno.EACCES, errno.EROFS):
+                    raise ExternalClashError('lockf: lock unavailable: %s' %
+                                             f.name)
+                else:
+                    raise
+        if dotlock:
+            try:
+                pre_lock = _create_temporary(f.name + '.lock')
+                pre_lock.close()
+            except OSError as e:
+                if e.errno in (errno.EACCES, errno.EROFS):
+                    return  # Without write access, just skip dotlocking.
+                else:
+                    raise
+            try:
+                try:
+                    os.link(pre_lock.name, f.name + '.lock')
+                    dotlock_done = True
+                except (AttributeError, PermissionError):
+                    os.rename(pre_lock.name, f.name + '.lock')
+                    dotlock_done = True
+                else:
+                    os.unlink(pre_lock.name)
+            except FileExistsError:
+                os.remove(pre_lock.name)
+                raise ExternalClashError('dot lock unavailable: %s' %
+                                         f.name)
+    except:
+        if fcntl:
+            fcntl.lockf(f, fcntl.LOCK_UN)
+        if dotlock_done:
+            os.remove(f.name + '.lock')
+        raise
+
+def _unlock_file(f):
+    """Unlock file f using lockf and dot locking."""
+    if fcntl:
+        fcntl.lockf(f, fcntl.LOCK_UN)
+    if os.path.exists(f.name + '.lock'):
+        os.remove(f.name + '.lock')
+
+def _create_carefully(path):
+    """Create a file if it doesn't exist and open for reading and writing."""
+    fd = os.open(path, os.O_CREAT | os.O_EXCL | os.O_RDWR, 0o666)
+    try:
+        return open(path, 'rb+')
+    finally:
+        os.close(fd)
+
+def _create_temporary(path):
+    """Create a temp file based on path and open for reading and writing."""
+    return _create_carefully('%s.%s.%s.%s' % (path, int(time.time()),
+                                              socket.gethostname(),
+                                              os.getpid()))
+
+def _sync_flush(f):
+    """Ensure changes to file f are physically on disk."""
+    f.flush()
+    if hasattr(os, 'fsync'):
+        os.fsync(f.fileno())
+
+def _sync_close(f):
+    """Close file f, ensuring all changes are physically on disk."""
+    _sync_flush(f)
+    f.close()
+
+
+class Error(Exception):
+    """Raised for module-specific errors."""
+
+class NoSuchMailboxError(Error):
+    """The specified mailbox does not exist and won't be created."""
+
+class NotEmptyError(Error):
+    """The specified mailbox is not empty and deletion was requested."""
+
+class ExternalClashError(Error):
+    """Another process caused an action to fail."""
+
+class FormatError(Error):
+    """A file appears to have an invalid format."""

my_container_sandbox/workspace/anaconda3/lib/python3.8/mimetypes.py

@@ -0,0 +1,614 @@
+"""Guess the MIME type of a file.
+
+This module defines two useful functions:
+
+guess_type(url, strict=True) -- guess the MIME type and encoding of a URL.
+
+guess_extension(type, strict=True) -- guess the extension for a given MIME type.
+
+It also contains the following, for tuning the behavior:
+
+Data:
+
+knownfiles -- list of files to parse
+inited -- flag set when init() has been called
+suffix_map -- dictionary mapping suffixes to suffixes
+encodings_map -- dictionary mapping suffixes to encodings
+types_map -- dictionary mapping suffixes to types
+
+Functions:
+
+init([files]) -- parse a list of files, default knownfiles (on Windows, the
+  default values are taken from the registry)
+read_mime_types(file) -- parse one file, return a dictionary or None
+"""
+
+import os
+import sys
+import posixpath
+import urllib.parse
+try:
+    import winreg as _winreg
+except ImportError:
+    _winreg = None
+
+__all__ = [
+    "knownfiles", "inited", "MimeTypes",
+    "guess_type", "guess_all_extensions", "guess_extension",
+    "add_type", "init", "read_mime_types",
+    "suffix_map", "encodings_map", "types_map", "common_types"
+]
+
+knownfiles = [
+    "/etc/mime.types",
+    "/etc/httpd/mime.types",                    # Mac OS X
+    "/etc/httpd/conf/mime.types",               # Apache
+    "/etc/apache/mime.types",                   # Apache 1
+    "/etc/apache2/mime.types",                  # Apache 2
+    "/usr/local/etc/httpd/conf/mime.types",
+    "/usr/local/lib/netscape/mime.types",
+    "/usr/local/etc/httpd/conf/mime.types",     # Apache 1.2
+    "/usr/local/etc/mime.types",                # Apache 1.3
+    ]
+
+inited = False
+_db = None
+
+
+class MimeTypes:
+    """MIME-types datastore.
+
+    This datastore can handle information from mime.types-style files
+    and supports basic determination of MIME type from a filename or
+    URL, and can guess a reasonable extension given a MIME type.
+    """
+
+    def __init__(self, filenames=(), strict=True):
+        if not inited:
+            init()
+        self.encodings_map = _encodings_map_default.copy()
+        self.suffix_map = _suffix_map_default.copy()
+        self.types_map = ({}, {}) # dict for (non-strict, strict)
+        self.types_map_inv = ({}, {})
+        for (ext, type) in _types_map_default.items():
+            self.add_type(type, ext, True)
+        for (ext, type) in _common_types_default.items():
+            self.add_type(type, ext, False)
+        for name in filenames:
+            self.read(name, strict)
+
+    def add_type(self, type, ext, strict=True):
+        """Add a mapping between a type and an extension.
+
+        When the extension is already known, the new
+        type will replace the old one. When the type
+        is already known the extension will be added
+        to the list of known extensions.
+
+        If strict is true, information will be added to
+        list of standard types, else to the list of non-standard
+        types.
+        """
+        self.types_map[strict][ext] = type
+        exts = self.types_map_inv[strict].setdefault(type, [])
+        if ext not in exts:
+            exts.append(ext)
+
+    def guess_type(self, url, strict=True):
+        """Guess the type of a file which is either a URL or a path-like object.
+
+        Return value is a tuple (type, encoding) where type is None if
+        the type can't be guessed (no or unknown suffix) or a string
+        of the form type/subtype, usable for a MIME Content-type
+        header; and encoding is None for no encoding or the name of
+        the program used to encode (e.g. compress or gzip).  The
+        mappings are table driven.  Encoding suffixes are case
+        sensitive; type suffixes are first tried case sensitive, then
+        case insensitive.
+
+        The suffixes .tgz, .taz and .tz (case sensitive!) are all
+        mapped to '.tar.gz'.  (This is table-driven too, using the
+        dictionary suffix_map.)
+
+        Optional `strict' argument when False adds a bunch of commonly found,
+        but non-standard types.
+        """
+        url = os.fspath(url)
+        scheme, url = urllib.parse._splittype(url)
+        if scheme == 'data':
+            # syntax of data URLs:
+            # dataurl   := "data:" [ mediatype ] [ ";base64" ] "," data
+            # mediatype := [ type "/" subtype ] *( ";" parameter )
+            # data      := *urlchar
+            # parameter := attribute "=" value
+            # type/subtype defaults to "text/plain"
+            comma = url.find(',')
+            if comma < 0:
+                # bad data URL
+                return None, None
+            semi = url.find(';', 0, comma)
+            if semi >= 0:
+                type = url[:semi]
+            else:
+                type = url[:comma]
+            if '=' in type or '/' not in type:
+                type = 'text/plain'
+            return type, None           # never compressed, so encoding is None
+        base, ext = posixpath.splitext(url)
+        while ext in self.suffix_map:
+            base, ext = posixpath.splitext(base + self.suffix_map[ext])
+        if ext in self.encodings_map:
+            encoding = self.encodings_map[ext]
+            base, ext = posixpath.splitext(base)
+        else:
+            encoding = None
+        types_map = self.types_map[True]
+        if ext in types_map:
+            return types_map[ext], encoding
+        elif ext.lower() in types_map:
+            return types_map[ext.lower()], encoding
+        elif strict:
+            return None, encoding
+        types_map = self.types_map[False]
+        if ext in types_map:
+            return types_map[ext], encoding
+        elif ext.lower() in types_map:
+            return types_map[ext.lower()], encoding
+        else:
+            return None, encoding
+
+    def guess_all_extensions(self, type, strict=True):
+        """Guess the extensions for a file based on its MIME type.
+
+        Return value is a list of strings giving the possible filename
+        extensions, including the leading dot ('.').  The extension is not
+        guaranteed to have been associated with any particular data stream,
+        but would be mapped to the MIME type `type' by guess_type().
+
+        Optional `strict' argument when false adds a bunch of commonly found,
+        but non-standard types.
+        """
+        type = type.lower()
+        extensions = self.types_map_inv[True].get(type, [])
+        if not strict:
+            for ext in self.types_map_inv[False].get(type, []):
+                if ext not in extensions:
+                    extensions.append(ext)
+        return extensions
+
+    def guess_extension(self, type, strict=True):
+        """Guess the extension for a file based on its MIME type.
+
+        Return value is a string giving a filename extension,
+        including the leading dot ('.').  The extension is not
+        guaranteed to have been associated with any particular data
+        stream, but would be mapped to the MIME type `type' by
+        guess_type().  If no extension can be guessed for `type', None
+        is returned.
+
+        Optional `strict' argument when false adds a bunch of commonly found,
+        but non-standard types.
+        """
+        extensions = self.guess_all_extensions(type, strict)
+        if not extensions:
+            return None
+        return extensions[0]
+
+    def read(self, filename, strict=True):
+        """
+        Read a single mime.types-format file, specified by pathname.
+
+        If strict is true, information will be added to
+        list of standard types, else to the list of non-standard
+        types.
+        """
+        with open(filename, encoding='utf-8') as fp:
+            self.readfp(fp, strict)
+
+    def readfp(self, fp, strict=True):
+        """
+        Read a single mime.types-format file.
+
+        If strict is true, information will be added to
+        list of standard types, else to the list of non-standard
+        types.
+        """
+        while 1:
+            line = fp.readline()
+            if not line:
+                break
+            words = line.split()
+            for i in range(len(words)):
+                if words[i][0] == '#':
+                    del words[i:]
+                    break
+            if not words:
+                continue
+            type, suffixes = words[0], words[1:]
+            for suff in suffixes:
+                self.add_type(type, '.' + suff, strict)
+
+    def read_windows_registry(self, strict=True):
+        """
+        Load the MIME types database from Windows registry.
+
+        If strict is true, information will be added to
+        list of standard types, else to the list of non-standard
+        types.
+        """
+
+        # Windows only
+        if not _winreg:
+            return
+
+        def enum_types(mimedb):
+            i = 0
+            while True:
+                try:
+                    ctype = _winreg.EnumKey(mimedb, i)
+                except OSError:
+                    break
+                else:
+                    if '\0' not in ctype:
+                        yield ctype
+                i += 1
+
+        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
+            for subkeyname in enum_types(hkcr):
+                try:
+                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
+                        # Only check file extensions
+                        if not subkeyname.startswith("."):
+                            continue
+                        # raises OSError if no 'Content Type' value
+                        mimetype, datatype = _winreg.QueryValueEx(
+                            subkey, 'Content Type')
+                        if datatype != _winreg.REG_SZ:
+                            continue
+                        self.add_type(mimetype, subkeyname, strict)
+                except OSError:
+                    continue
+
+def guess_type(url, strict=True):
+    """Guess the type of a file based on its URL.
+
+    Return value is a tuple (type, encoding) where type is None if the
+    type can't be guessed (no or unknown suffix) or a string of the
+    form type/subtype, usable for a MIME Content-type header; and
+    encoding is None for no encoding or the name of the program used
+    to encode (e.g. compress or gzip).  The mappings are table
+    driven.  Encoding suffixes are case sensitive; type suffixes are
+    first tried case sensitive, then case insensitive.
+
+    The suffixes .tgz, .taz and .tz (case sensitive!) are all mapped
+    to ".tar.gz".  (This is table-driven too, using the dictionary
+    suffix_map).
+
+    Optional `strict' argument when false adds a bunch of commonly found, but
+    non-standard types.
+    """
+    if _db is None:
+        init()
+    return _db.guess_type(url, strict)
+
+
+def guess_all_extensions(type, strict=True):
+    """Guess the extensions for a file based on its MIME type.
+
+    Return value is a list of strings giving the possible filename
+    extensions, including the leading dot ('.').  The extension is not
+    guaranteed to have been associated with any particular data
+    stream, but would be mapped to the MIME type `type' by
+    guess_type().  If no extension can be guessed for `type', None
+    is returned.
+
+    Optional `strict' argument when false adds a bunch of commonly found,
+    but non-standard types.
+    """
+    if _db is None:
+        init()
+    return _db.guess_all_extensions(type, strict)
+
+def guess_extension(type, strict=True):
+    """Guess the extension for a file based on its MIME type.
+
+    Return value is a string giving a filename extension, including the
+    leading dot ('.').  The extension is not guaranteed to have been
+    associated with any particular data stream, but would be mapped to the
+    MIME type `type' by guess_type().  If no extension can be guessed for
+    `type', None is returned.
+
+    Optional `strict' argument when false adds a bunch of commonly found,
+    but non-standard types.
+    """
+    if _db is None:
+        init()
+    return _db.guess_extension(type, strict)
+
+def add_type(type, ext, strict=True):
+    """Add a mapping between a type and an extension.
+
+    When the extension is already known, the new
+    type will replace the old one. When the type
+    is already known the extension will be added
+    to the list of known extensions.
+
+    If strict is true, information will be added to
+    list of standard types, else to the list of non-standard
+    types.
+    """
+    if _db is None:
+        init()
+    return _db.add_type(type, ext, strict)
+
+
+def init(files=None):
+    global suffix_map, types_map, encodings_map, common_types
+    global inited, _db
+    inited = True    # so that MimeTypes.__init__() doesn't call us again
+
+    if files is None or _db is None:
+        db = MimeTypes()
+        if _winreg:
+            db.read_windows_registry()
+
+        if files is None:
+            files = knownfiles
+        else:
+            files = knownfiles + list(files)
+    else:
+        db = _db
+
+    for file in files:
+        if os.path.isfile(file):
+            db.read(file)
+    encodings_map = db.encodings_map
+    suffix_map = db.suffix_map
+    types_map = db.types_map[True]
+    common_types = db.types_map[False]
+    # Make the DB a global variable now that it is fully initialized
+    _db = db
+
+
+def read_mime_types(file):
+    try:
+        f = open(file, encoding='utf-8')
+    except OSError:
+        return None
+    with f:
+        db = MimeTypes()
+        db.readfp(f, True)
+        return db.types_map[True]
+
+
+def _default_mime_types():
+    global suffix_map, _suffix_map_default
+    global encodings_map, _encodings_map_default
+    global types_map, _types_map_default
+    global common_types, _common_types_default
+
+    suffix_map = _suffix_map_default = {
+        '.svgz': '.svg.gz',
+        '.tgz': '.tar.gz',
+        '.taz': '.tar.gz',
+        '.tz': '.tar.gz',
+        '.tbz2': '.tar.bz2',
+        '.txz': '.tar.xz',
+        }
+
+    encodings_map = _encodings_map_default = {
+        '.gz': 'gzip',
+        '.Z': 'compress',
+        '.bz2': 'bzip2',
+        '.xz': 'xz',
+        }
+
+    # Before adding new types, make sure they are either registered with IANA,
+    # at http://www.iana.org/assignments/media-types
+    # or extensions, i.e. using the x- prefix
+
+    # If you add to these, please keep them sorted by mime type.
+    # Make sure the entry with the preferred file extension for a particular mime type
+    # appears before any others of the same mimetype.
+    types_map = _types_map_default = {
+        '.js'     : 'application/javascript',
+        '.mjs'    : 'application/javascript',
+        '.json'   : 'application/json',
+        '.webmanifest': 'application/manifest+json',
+        '.doc'    : 'application/msword',
+        '.dot'    : 'application/msword',
+        '.wiz'    : 'application/msword',
+        '.bin'    : 'application/octet-stream',
+        '.a'      : 'application/octet-stream',
+        '.dll'    : 'application/octet-stream',
+        '.exe'    : 'application/octet-stream',
+        '.o'      : 'application/octet-stream',
+        '.obj'    : 'application/octet-stream',
+        '.so'     : 'application/octet-stream',
+        '.oda'    : 'application/oda',
+        '.pdf'    : 'application/pdf',
+        '.p7c'    : 'application/pkcs7-mime',
+        '.ps'     : 'application/postscript',
+        '.ai'     : 'application/postscript',
+        '.eps'    : 'application/postscript',
+        '.m3u'    : 'application/vnd.apple.mpegurl',
+        '.m3u8'   : 'application/vnd.apple.mpegurl',
+        '.xls'    : 'application/vnd.ms-excel',
+        '.xlb'    : 'application/vnd.ms-excel',
+        '.ppt'    : 'application/vnd.ms-powerpoint',
+        '.pot'    : 'application/vnd.ms-powerpoint',
+        '.ppa'    : 'application/vnd.ms-powerpoint',
+        '.pps'    : 'application/vnd.ms-powerpoint',
+        '.pwz'    : 'application/vnd.ms-powerpoint',
+        '.wasm'   : 'application/wasm',
+        '.bcpio'  : 'application/x-bcpio',
+        '.cpio'   : 'application/x-cpio',
+        '.csh'    : 'application/x-csh',
+        '.dvi'    : 'application/x-dvi',
+        '.gtar'   : 'application/x-gtar',
+        '.hdf'    : 'application/x-hdf',
+        '.h5'     : 'application/x-hdf5',
+        '.latex'  : 'application/x-latex',
+        '.mif'    : 'application/x-mif',
+        '.cdf'    : 'application/x-netcdf',
+        '.nc'     : 'application/x-netcdf',
+        '.p12'    : 'application/x-pkcs12',
+        '.pfx'    : 'application/x-pkcs12',
+        '.ram'    : 'application/x-pn-realaudio',
+        '.pyc'    : 'application/x-python-code',
+        '.pyo'    : 'application/x-python-code',
+        '.sh'     : 'application/x-sh',
+        '.shar'   : 'application/x-shar',
+        '.swf'    : 'application/x-shockwave-flash',
+        '.sv4cpio': 'application/x-sv4cpio',
+        '.sv4crc' : 'application/x-sv4crc',
+        '.tar'    : 'application/x-tar',
+        '.tcl'    : 'application/x-tcl',
+        '.tex'    : 'application/x-tex',
+        '.texi'   : 'application/x-texinfo',
+        '.texinfo': 'application/x-texinfo',
+        '.roff'   : 'application/x-troff',
+        '.t'      : 'application/x-troff',
+        '.tr'     : 'application/x-troff',
+        '.man'    : 'application/x-troff-man',
+        '.me'     : 'application/x-troff-me',
+        '.ms'     : 'application/x-troff-ms',
+        '.ustar'  : 'application/x-ustar',
+        '.src'    : 'application/x-wais-source',
+        '.xsl'    : 'application/xml',
+        '.rdf'    : 'application/xml',
+        '.wsdl'   : 'application/xml',
+        '.xpdl'   : 'application/xml',
+        '.zip'    : 'application/zip',
+        '.au'     : 'audio/basic',
+        '.snd'    : 'audio/basic',
+        '.mp3'    : 'audio/mpeg',
+        '.mp2'    : 'audio/mpeg',
+        '.aif'    : 'audio/x-aiff',
+        '.aifc'   : 'audio/x-aiff',
+        '.aiff'   : 'audio/x-aiff',
+        '.ra'     : 'audio/x-pn-realaudio',
+        '.wav'    : 'audio/x-wav',
+        '.bmp'    : 'image/bmp',
+        '.gif'    : 'image/gif',
+        '.ief'    : 'image/ief',
+        '.jpg'    : 'image/jpeg',
+        '.jpe'    : 'image/jpeg',
+        '.jpeg'   : 'image/jpeg',
+        '.png'    : 'image/png',
+        '.svg'    : 'image/svg+xml',
+        '.tiff'   : 'image/tiff',
+        '.tif'    : 'image/tiff',
+        '.ico'    : 'image/vnd.microsoft.icon',
+        '.ras'    : 'image/x-cmu-raster',
+        '.bmp'    : 'image/x-ms-bmp',
+        '.pnm'    : 'image/x-portable-anymap',
+        '.pbm'    : 'image/x-portable-bitmap',
+        '.pgm'    : 'image/x-portable-graymap',
+        '.ppm'    : 'image/x-portable-pixmap',
+        '.rgb'    : 'image/x-rgb',
+        '.xbm'    : 'image/x-xbitmap',
+        '.xpm'    : 'image/x-xpixmap',
+        '.xwd'    : 'image/x-xwindowdump',
+        '.eml'    : 'message/rfc822',
+        '.mht'    : 'message/rfc822',
+        '.mhtml'  : 'message/rfc822',
+        '.nws'    : 'message/rfc822',
+        '.css'    : 'text/css',
+        '.csv'    : 'text/csv',
+        '.html'   : 'text/html',
+        '.htm'    : 'text/html',
+        '.txt'    : 'text/plain',
+        '.bat'    : 'text/plain',
+        '.c'      : 'text/plain',
+        '.h'      : 'text/plain',
+        '.ksh'    : 'text/plain',
+        '.pl'     : 'text/plain',
+        '.rtx'    : 'text/richtext',
+        '.tsv'    : 'text/tab-separated-values',
+        '.py'     : 'text/x-python',
+        '.etx'    : 'text/x-setext',
+        '.sgm'    : 'text/x-sgml',
+        '.sgml'   : 'text/x-sgml',
+        '.vcf'    : 'text/x-vcard',
+        '.xml'    : 'text/xml',
+        '.mp4'    : 'video/mp4',
+        '.mpeg'   : 'video/mpeg',
+        '.m1v'    : 'video/mpeg',
+        '.mpa'    : 'video/mpeg',
+        '.mpe'    : 'video/mpeg',
+        '.mpg'    : 'video/mpeg',
+        '.mov'    : 'video/quicktime',
+        '.qt'     : 'video/quicktime',
+        '.webm'   : 'video/webm',
+        '.avi'    : 'video/x-msvideo',
+        '.movie'  : 'video/x-sgi-movie',
+        }
+
+    # These are non-standard types, commonly found in the wild.  They will
+    # only match if strict=0 flag is given to the API methods.
+
+    # Please sort these too
+    common_types = _common_types_default = {
+        '.rtf' : 'application/rtf',
+        '.midi': 'audio/midi',
+        '.mid' : 'audio/midi',
+        '.jpg' : 'image/jpg',
+        '.pict': 'image/pict',
+        '.pct' : 'image/pict',
+        '.pic' : 'image/pict',
+        '.xul' : 'text/xul',
+        }
+
+
+_default_mime_types()
+
+
+def _main():
+    import getopt
+
+    USAGE = """\
+Usage: mimetypes.py [options] type
+
+Options:
+    --help / -h       -- print this message and exit
+    --lenient / -l    -- additionally search of some common, but non-standard
+                         types.
+    --extension / -e  -- guess extension instead of type
+
+More than one type argument may be given.
+"""
+
+    def usage(code, msg=''):
+        print(USAGE)
+        if msg: print(msg)
+        sys.exit(code)
+
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], 'hle',
+                                   ['help', 'lenient', 'extension'])
+    except getopt.error as msg:
+        usage(1, msg)
+
+    strict = 1
+    extension = 0
+    for opt, arg in opts:
+        if opt in ('-h', '--help'):
+            usage(0)
+        elif opt in ('-l', '--lenient'):
+            strict = 0
+        elif opt in ('-e', '--extension'):
+            extension = 1
+    for gtype in args:
+        if extension:
+            guess = guess_extension(gtype, strict)
+            if not guess: print("I don't know anything about type", gtype)
+            else: print(guess)
+        else:
+            guess, encoding = guess_type(gtype, strict)
+            if not guess: print("I don't know anything about type", gtype)
+            else: print('type:', guess, 'encoding:', encoding)
+
+
+if __name__ == '__main__':
+    _main()

my_container_sandbox/workspace/anaconda3/lib/python3.8/modulefinder.py

@@ -0,0 +1,687 @@
+"""Find modules used by a script, using introspection."""
+
+import dis
+import importlib._bootstrap_external
+import importlib.machinery
+import marshal
+import os
+import io
+import sys
+import types
+import warnings
+
+
+LOAD_CONST = dis.opmap['LOAD_CONST']
+IMPORT_NAME = dis.opmap['IMPORT_NAME']
+STORE_NAME = dis.opmap['STORE_NAME']
+STORE_GLOBAL = dis.opmap['STORE_GLOBAL']
+STORE_OPS = STORE_NAME, STORE_GLOBAL
+EXTENDED_ARG = dis.EXTENDED_ARG
+
+# Old imp constants:
+
+_SEARCH_ERROR = 0
+_PY_SOURCE = 1
+_PY_COMPILED = 2
+_C_EXTENSION = 3
+_PKG_DIRECTORY = 5
+_C_BUILTIN = 6
+_PY_FROZEN = 7
+
+# Modulefinder does a good job at simulating Python's, but it can not
+# handle __path__ modifications packages make at runtime.  Therefore there
+# is a mechanism whereby you can register extra paths in this map for a
+# package, and it will be honored.
+
+# Note this is a mapping is lists of paths.
+packagePathMap = {}
+
+# A Public interface
+def AddPackagePath(packagename, path):
+    packagePathMap.setdefault(packagename, []).append(path)
+
+replacePackageMap = {}
+
+# This ReplacePackage mechanism allows modulefinder to work around
+# situations in which a package injects itself under the name
+# of another package into sys.modules at runtime by calling
+# ReplacePackage("real_package_name", "faked_package_name")
+# before running ModuleFinder.
+
+def ReplacePackage(oldname, newname):
+    replacePackageMap[oldname] = newname
+
+
+def _find_module(name, path=None):
+    """An importlib reimplementation of imp.find_module (for our purposes)."""
+
+    # It's necessary to clear the caches for our Finder first, in case any
+    # modules are being added/deleted/modified at runtime. In particular,
+    # test_modulefinder.py changes file tree contents in a cache-breaking way:
+
+    importlib.machinery.PathFinder.invalidate_caches()
+
+    spec = importlib.machinery.PathFinder.find_spec(name, path)
+
+    if spec is None:
+        raise ImportError("No module named {name!r}".format(name=name), name=name)
+
+    # Some special cases:
+
+    if spec.loader is importlib.machinery.BuiltinImporter:
+        return None, None, ("", "", _C_BUILTIN)
+
+    if spec.loader is importlib.machinery.FrozenImporter:
+        return None, None, ("", "", _PY_FROZEN)
+
+    file_path = spec.origin
+
+    if spec.loader.is_package(name):
+        return None, os.path.dirname(file_path), ("", "", _PKG_DIRECTORY)
+
+    if isinstance(spec.loader, importlib.machinery.SourceFileLoader):
+        kind = _PY_SOURCE
+
+    elif isinstance(spec.loader, importlib.machinery.ExtensionFileLoader):
+        kind = _C_EXTENSION
+
+    elif isinstance(spec.loader, importlib.machinery.SourcelessFileLoader):
+        kind = _PY_COMPILED
+
+    else:  # Should never happen.
+        return None, None, ("", "", _SEARCH_ERROR)
+
+    file = io.open_code(file_path)
+    suffix = os.path.splitext(file_path)[-1]
+
+    return file, file_path, (suffix, "rb", kind)
+
+
+class Module:
+
+    def __init__(self, name, file=None, path=None):
+        self.__name__ = name
+        self.__file__ = file
+        self.__path__ = path
+        self.__code__ = None
+        # The set of global names that are assigned to in the module.
+        # This includes those names imported through starimports of
+        # Python modules.
+        self.globalnames = {}
+        # The set of starimports this module did that could not be
+        # resolved, ie. a starimport from a non-Python module.
+        self.starimports = {}
+
+    def __repr__(self):
+        s = "Module(%r" % (self.__name__,)
+        if self.__file__ is not None:
+            s = s + ", %r" % (self.__file__,)
+        if self.__path__ is not None:
+            s = s + ", %r" % (self.__path__,)
+        s = s + ")"
+        return s
+
+class ModuleFinder:
+
+    def __init__(self, path=None, debug=0, excludes=None, replace_paths=None):
+        if path is None:
+            path = sys.path
+        self.path = path
+        self.modules = {}
+        self.badmodules = {}
+        self.debug = debug
+        self.indent = 0
+        self.excludes = excludes if excludes is not None else []
+        self.replace_paths = replace_paths if replace_paths is not None else []
+        self.processed_paths = []   # Used in debugging only
+
+    def msg(self, level, str, *args):
+        if level <= self.debug:
+            for i in range(self.indent):
+                print("   ", end=' ')
+            print(str, end=' ')
+            for arg in args:
+                print(repr(arg), end=' ')
+            print()
+
+    def msgin(self, *args):
+        level = args[0]
+        if level <= self.debug:
+            self.indent = self.indent + 1
+            self.msg(*args)
+
+    def msgout(self, *args):
+        level = args[0]
+        if level <= self.debug:
+            self.indent = self.indent - 1
+            self.msg(*args)
+
+    def run_script(self, pathname):
+        self.msg(2, "run_script", pathname)
+        with io.open_code(pathname) as fp:
+            stuff = ("", "rb", _PY_SOURCE)
+            self.load_module('__main__', fp, pathname, stuff)
+
+    def load_file(self, pathname):
+        dir, name = os.path.split(pathname)
+        name, ext = os.path.splitext(name)
+        with io.open_code(pathname) as fp:
+            stuff = (ext, "rb", _PY_SOURCE)
+            self.load_module(name, fp, pathname, stuff)
+
+    def import_hook(self, name, caller=None, fromlist=None, level=-1):
+        self.msg(3, "import_hook", name, caller, fromlist, level)
+        parent = self.determine_parent(caller, level=level)
+        q, tail = self.find_head_package(parent, name)
+        m = self.load_tail(q, tail)
+        if not fromlist:
+            return q
+        if m.__path__:
+            self.ensure_fromlist(m, fromlist)
+        return None
+
+    def determine_parent(self, caller, level=-1):
+        self.msgin(4, "determine_parent", caller, level)
+        if not caller or level == 0:
+            self.msgout(4, "determine_parent -> None")
+            return None
+        pname = caller.__name__
+        if level >= 1: # relative import
+            if caller.__path__:
+                level -= 1
+            if level == 0:
+                parent = self.modules[pname]
+                assert parent is caller
+                self.msgout(4, "determine_parent ->", parent)
+                return parent
+            if pname.count(".") < level:
+                raise ImportError("relative importpath too deep")
+            pname = ".".join(pname.split(".")[:-level])
+            parent = self.modules[pname]
+            self.msgout(4, "determine_parent ->", parent)
+            return parent
+        if caller.__path__:
+            parent = self.modules[pname]
+            assert caller is parent
+            self.msgout(4, "determine_parent ->", parent)
+            return parent
+        if '.' in pname:
+            i = pname.rfind('.')
+            pname = pname[:i]
+            parent = self.modules[pname]
+            assert parent.__name__ == pname
+            self.msgout(4, "determine_parent ->", parent)
+            return parent
+        self.msgout(4, "determine_parent -> None")
+        return None
+
+    def find_head_package(self, parent, name):
+        self.msgin(4, "find_head_package", parent, name)
+        if '.' in name:
+            i = name.find('.')
+            head = name[:i]
+            tail = name[i+1:]
+        else:
+            head = name
+            tail = ""
+        if parent:
+            qname = "%s.%s" % (parent.__name__, head)
+        else:
+            qname = head
+        q = self.import_module(head, qname, parent)
+        if q:
+            self.msgout(4, "find_head_package ->", (q, tail))
+            return q, tail
+        if parent:
+            qname = head
+            parent = None
+            q = self.import_module(head, qname, parent)
+            if q:
+                self.msgout(4, "find_head_package ->", (q, tail))
+                return q, tail
+        self.msgout(4, "raise ImportError: No module named", qname)
+        raise ImportError("No module named " + qname)
+
+    def load_tail(self, q, tail):
+        self.msgin(4, "load_tail", q, tail)
+        m = q
+        while tail:
+            i = tail.find('.')
+            if i < 0: i = len(tail)
+            head, tail = tail[:i], tail[i+1:]
+            mname = "%s.%s" % (m.__name__, head)
+            m = self.import_module(head, mname, m)
+            if not m:
+                self.msgout(4, "raise ImportError: No module named", mname)
+                raise ImportError("No module named " + mname)
+        self.msgout(4, "load_tail ->", m)
+        return m
+
+    def ensure_fromlist(self, m, fromlist, recursive=0):
+        self.msg(4, "ensure_fromlist", m, fromlist, recursive)
+        for sub in fromlist:
+            if sub == "*":
+                if not recursive:
+                    all = self.find_all_submodules(m)
+                    if all:
+                        self.ensure_fromlist(m, all, 1)
+            elif not hasattr(m, sub):
+                subname = "%s.%s" % (m.__name__, sub)
+                submod = self.import_module(sub, subname, m)
+                if not submod:
+                    raise ImportError("No module named " + subname)
+
+    def find_all_submodules(self, m):
+        if not m.__path__:
+            return
+        modules = {}
+        # 'suffixes' used to be a list hardcoded to [".py", ".pyc"].
+        # But we must also collect Python extension modules - although
+        # we cannot separate normal dlls from Python extensions.
+        suffixes = []
+        suffixes += importlib.machinery.EXTENSION_SUFFIXES[:]
+        suffixes += importlib.machinery.SOURCE_SUFFIXES[:]
+        suffixes += importlib.machinery.BYTECODE_SUFFIXES[:]
+        for dir in m.__path__:
+            try:
+                names = os.listdir(dir)
+            except OSError:
+                self.msg(2, "can't list directory", dir)
+                continue
+            for name in names:
+                mod = None
+                for suff in suffixes:
+                    n = len(suff)
+                    if name[-n:] == suff:
+                        mod = name[:-n]
+                        break
+                if mod and mod != "__init__":
+                    modules[mod] = mod
+        return modules.keys()
+
+    def import_module(self, partname, fqname, parent):
+        self.msgin(3, "import_module", partname, fqname, parent)
+        try:
+            m = self.modules[fqname]
+        except KeyError:
+            pass
+        else:
+            self.msgout(3, "import_module ->", m)
+            return m
+        if fqname in self.badmodules:
+            self.msgout(3, "import_module -> None")
+            return None
+        if parent and parent.__path__ is None:
+            self.msgout(3, "import_module -> None")
+            return None
+        try:
+            fp, pathname, stuff = self.find_module(partname,
+                                                   parent and parent.__path__, parent)
+        except ImportError:
+            self.msgout(3, "import_module ->", None)
+            return None
+
+        try:
+            m = self.load_module(fqname, fp, pathname, stuff)
+        finally:
+            if fp:
+                fp.close()
+        if parent:
+            setattr(parent, partname, m)
+        self.msgout(3, "import_module ->", m)
+        return m
+
+    def load_module(self, fqname, fp, pathname, file_info):
+        suffix, mode, type = file_info
+        self.msgin(2, "load_module", fqname, fp and "fp", pathname)
+        if type == _PKG_DIRECTORY:
+            m = self.load_package(fqname, pathname)
+            self.msgout(2, "load_module ->", m)
+            return m
+        if type == _PY_SOURCE:
+            co = compile(fp.read(), pathname, 'exec')
+        elif type == _PY_COMPILED:
+            try:
+                data = fp.read()
+                importlib._bootstrap_external._classify_pyc(data, fqname, {})
+            except ImportError as exc:
+                self.msgout(2, "raise ImportError: " + str(exc), pathname)
+                raise
+            co = marshal.loads(memoryview(data)[16:])
+        else:
+            co = None
+        m = self.add_module(fqname)
+        m.__file__ = pathname
+        if co:
+            if self.replace_paths:
+                co = self.replace_paths_in_code(co)
+            m.__code__ = co
+            self.scan_code(co, m)
+        self.msgout(2, "load_module ->", m)
+        return m
+
+    def _add_badmodule(self, name, caller):
+        if name not in self.badmodules:
+            self.badmodules[name] = {}
+        if caller:
+            self.badmodules[name][caller.__name__] = 1
+        else:
+            self.badmodules[name]["-"] = 1
+
+    def _safe_import_hook(self, name, caller, fromlist, level=-1):
+        # wrapper for self.import_hook() that won't raise ImportError
+        if name in self.badmodules:
+            self._add_badmodule(name, caller)
+            return
+        try:
+            self.import_hook(name, caller, level=level)
+        except ImportError as msg:
+            self.msg(2, "ImportError:", str(msg))
+            self._add_badmodule(name, caller)
+        except SyntaxError as msg:
+            self.msg(2, "SyntaxError:", str(msg))
+            self._add_badmodule(name, caller)
+        else:
+            if fromlist:
+                for sub in fromlist:
+                    fullname = name + "." + sub
+                    if fullname in self.badmodules:
+                        self._add_badmodule(fullname, caller)
+                        continue
+                    try:
+                        self.import_hook(name, caller, [sub], level=level)
+                    except ImportError as msg:
+                        self.msg(2, "ImportError:", str(msg))
+                        self._add_badmodule(fullname, caller)
+
+    def scan_opcodes(self, co):
+        # Scan the code, and yield 'interesting' opcode combinations
+        code = co.co_code
+        names = co.co_names
+        consts = co.co_consts
+        opargs = [(op, arg) for _, op, arg in dis._unpack_opargs(code)
+                  if op != EXTENDED_ARG]
+        for i, (op, oparg) in enumerate(opargs):
+            if op in STORE_OPS:
+                yield "store", (names[oparg],)
+                continue
+            if (op == IMPORT_NAME and i >= 2
+                    and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
+                level = consts[opargs[i-2][1]]
+                fromlist = consts[opargs[i-1][1]]
+                if level == 0: # absolute import
+                    yield "absolute_import", (fromlist, names[oparg])
+                else: # relative import
+                    yield "relative_import", (level, fromlist, names[oparg])
+                continue
+
+    def scan_code(self, co, m):
+        code = co.co_code
+        scanner = self.scan_opcodes
+        for what, args in scanner(co):
+            if what == "store":
+                name, = args
+                m.globalnames[name] = 1
+            elif what == "absolute_import":
+                fromlist, name = args
+                have_star = 0
+                if fromlist is not None:
+                    if "*" in fromlist:
+                        have_star = 1
+                    fromlist = [f for f in fromlist if f != "*"]
+                self._safe_import_hook(name, m, fromlist, level=0)
+                if have_star:
+                    # We've encountered an "import *". If it is a Python module,
+                    # the code has already been parsed and we can suck out the
+                    # global names.
+                    mm = None
+                    if m.__path__:
+                        # At this point we don't know whether 'name' is a
+                        # submodule of 'm' or a global module. Let's just try
+                        # the full name first.
+                        mm = self.modules.get(m.__name__ + "." + name)
+                    if mm is None:
+                        mm = self.modules.get(name)
+                    if mm is not None:
+                        m.globalnames.update(mm.globalnames)
+                        m.starimports.update(mm.starimports)
+                        if mm.__code__ is None:
+                            m.starimports[name] = 1
+                    else:
+                        m.starimports[name] = 1
+            elif what == "relative_import":
+                level, fromlist, name = args
+                if name:
+                    self._safe_import_hook(name, m, fromlist, level=level)
+                else:
+                    parent = self.determine_parent(m, level=level)
+                    self._safe_import_hook(parent.__name__, None, fromlist, level=0)
+            else:
+                # We don't expect anything else from the generator.
+                raise RuntimeError(what)
+
+        for c in co.co_consts:
+            if isinstance(c, type(co)):
+                self.scan_code(c, m)
+
+    def load_package(self, fqname, pathname):
+        self.msgin(2, "load_package", fqname, pathname)
+        newname = replacePackageMap.get(fqname)
+        if newname:
+            fqname = newname
+        m = self.add_module(fqname)
+        m.__file__ = pathname
+        m.__path__ = [pathname]
+
+        # As per comment at top of file, simulate runtime __path__ additions.
+        m.__path__ = m.__path__ + packagePathMap.get(fqname, [])
+
+        fp, buf, stuff = self.find_module("__init__", m.__path__)
+        try:
+            self.load_module(fqname, fp, buf, stuff)
+            self.msgout(2, "load_package ->", m)
+            return m
+        finally:
+            if fp:
+                fp.close()
+
+    def add_module(self, fqname):
+        if fqname in self.modules:
+            return self.modules[fqname]
+        self.modules[fqname] = m = Module(fqname)
+        return m
+
+    def find_module(self, name, path, parent=None):
+        if parent is not None:
+            # assert path is not None
+            fullname = parent.__name__+'.'+name
+        else:
+            fullname = name
+        if fullname in self.excludes:
+            self.msgout(3, "find_module -> Excluded", fullname)
+            raise ImportError(name)
+
+        if path is None:
+            if name in sys.builtin_module_names:
+                return (None, None, ("", "", _C_BUILTIN))
+
+            path = self.path
+
+        return _find_module(name, path)
+
+    def report(self):
+        """Print a report to stdout, listing the found modules with their
+        paths, as well as modules that are missing, or seem to be missing.
+        """
+        print()
+        print("  %-25s %s" % ("Name", "File"))
+        print("  %-25s %s" % ("----", "----"))
+        # Print modules found
+        keys = sorted(self.modules.keys())
+        for key in keys:
+            m = self.modules[key]
+            if m.__path__:
+                print("P", end=' ')
+            else:
+                print("m", end=' ')
+            print("%-25s" % key, m.__file__ or "")
+
+        # Print missing modules
+        missing, maybe = self.any_missing_maybe()
+        if missing:
+            print()
+            print("Missing modules:")
+            for name in missing:
+                mods = sorted(self.badmodules[name].keys())
+                print("?", name, "imported from", ', '.join(mods))
+        # Print modules that may be missing, but then again, maybe not...
+        if maybe:
+            print()
+            print("Submodules that appear to be missing, but could also be", end=' ')
+            print("global names in the parent package:")
+            for name in maybe:
+                mods = sorted(self.badmodules[name].keys())
+                print("?", name, "imported from", ', '.join(mods))
+
+    def any_missing(self):
+        """Return a list of modules that appear to be missing. Use
+        any_missing_maybe() if you want to know which modules are
+        certain to be missing, and which *may* be missing.
+        """
+        missing, maybe = self.any_missing_maybe()
+        return missing + maybe
+
+    def any_missing_maybe(self):
+        """Return two lists, one with modules that are certainly missing
+        and one with modules that *may* be missing. The latter names could
+        either be submodules *or* just global names in the package.
+
+        The reason it can't always be determined is that it's impossible to
+        tell which names are imported when "from module import *" is done
+        with an extension module, short of actually importing it.
+        """
+        missing = []
+        maybe = []
+        for name in self.badmodules:
+            if name in self.excludes:
+                continue
+            i = name.rfind(".")
+            if i < 0:
+                missing.append(name)
+                continue
+            subname = name[i+1:]
+            pkgname = name[:i]
+            pkg = self.modules.get(pkgname)
+            if pkg is not None:
+                if pkgname in self.badmodules[name]:
+                    # The package tried to import this module itself and
+                    # failed. It's definitely missing.
+                    missing.append(name)
+                elif subname in pkg.globalnames:
+                    # It's a global in the package: definitely not missing.
+                    pass
+                elif pkg.starimports:
+                    # It could be missing, but the package did an "import *"
+                    # from a non-Python module, so we simply can't be sure.
+                    maybe.append(name)
+                else:
+                    # It's not a global in the package, the package didn't
+                    # do funny star imports, it's very likely to be missing.
+                    # The symbol could be inserted into the package from the
+                    # outside, but since that's not good style we simply list
+                    # it missing.
+                    missing.append(name)
+            else:
+                missing.append(name)
+        missing.sort()
+        maybe.sort()
+        return missing, maybe
+
+    def replace_paths_in_code(self, co):
+        new_filename = original_filename = os.path.normpath(co.co_filename)
+        for f, r in self.replace_paths:
+            if original_filename.startswith(f):
+                new_filename = r + original_filename[len(f):]
+                break
+
+        if self.debug and original_filename not in self.processed_paths:
+            if new_filename != original_filename:
+                self.msgout(2, "co_filename %r changed to %r" \
+                                    % (original_filename,new_filename,))
+            else:
+                self.msgout(2, "co_filename %r remains unchanged" \
+                                    % (original_filename,))
+            self.processed_paths.append(original_filename)
+
+        consts = list(co.co_consts)
+        for i in range(len(consts)):
+            if isinstance(consts[i], type(co)):
+                consts[i] = self.replace_paths_in_code(consts[i])
+
+        return co.replace(co_consts=tuple(consts), co_filename=new_filename)
+
+
+def test():
+    # Parse command line
+    import getopt
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], "dmp:qx:")
+    except getopt.error as msg:
+        print(msg)
+        return
+
+    # Process options
+    debug = 1
+    domods = 0
+    addpath = []
+    exclude = []
+    for o, a in opts:
+        if o == '-d':
+            debug = debug + 1
+        if o == '-m':
+            domods = 1
+        if o == '-p':
+            addpath = addpath + a.split(os.pathsep)
+        if o == '-q':
+            debug = 0
+        if o == '-x':
+            exclude.append(a)
+
+    # Provide default arguments
+    if not args:
+        script = "hello.py"
+    else:
+        script = args[0]
+
+    # Set the path based on sys.path and the script directory
+    path = sys.path[:]
+    path[0] = os.path.dirname(script)
+    path = addpath + path
+    if debug > 1:
+        print("path:")
+        for item in path:
+            print("   ", repr(item))
+
+    # Create the module finder and turn its crank
+    mf = ModuleFinder(path, debug, exclude)
+    for arg in args[1:]:
+        if arg == '-m':
+            domods = 1
+            continue
+        if domods:
+            if arg[-2:] == '.*':
+                mf.import_hook(arg[:-2], None, ["*"])
+            else:
+                mf.import_hook(arg)
+        else:
+            mf.load_file(arg)
+    mf.run_script(script)
+    mf.report()
+    return mf  # for -i debugging
+
+
+if __name__ == '__main__':
+    try:
+        mf = test()
+    except KeyboardInterrupt:
+        print("\n[interrupted]")

my_container_sandbox/workspace/anaconda3/lib/python3.8/netrc.py

@@ -0,0 +1,139 @@
+"""An object-oriented interface to .netrc files."""
+
+# Module and documentation by Eric S. Raymond, 21 Dec 1998
+
+import os, shlex, stat
+
+__all__ = ["netrc", "NetrcParseError"]
+
+
+class NetrcParseError(Exception):
+    """Exception raised on syntax errors in the .netrc file."""
+    def __init__(self, msg, filename=None, lineno=None):
+        self.filename = filename
+        self.lineno = lineno
+        self.msg = msg
+        Exception.__init__(self, msg)
+
+    def __str__(self):
+        return "%s (%s, line %s)" % (self.msg, self.filename, self.lineno)
+
+
+class netrc:
+    def __init__(self, file=None):
+        default_netrc = file is None
+        if file is None:
+            file = os.path.join(os.path.expanduser("~"), ".netrc")
+        self.hosts = {}
+        self.macros = {}
+        with open(file) as fp:
+            self._parse(file, fp, default_netrc)
+
+    def _parse(self, file, fp, default_netrc):
+        lexer = shlex.shlex(fp)
+        lexer.wordchars += r"""!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~"""
+        lexer.commenters = lexer.commenters.replace('#', '')
+        while 1:
+            # Look for a machine, default, or macdef top-level keyword
+            saved_lineno = lexer.lineno
+            toplevel = tt = lexer.get_token()
+            if not tt:
+                break
+            elif tt[0] == '#':
+                if lexer.lineno == saved_lineno and len(tt) == 1:
+                    lexer.instream.readline()
+                continue
+            elif tt == 'machine':
+                entryname = lexer.get_token()
+            elif tt == 'default':
+                entryname = 'default'
+            elif tt == 'macdef':                # Just skip to end of macdefs
+                entryname = lexer.get_token()
+                self.macros[entryname] = []
+                lexer.whitespace = ' \t'
+                while 1:
+                    line = lexer.instream.readline()
+                    if not line or line == '\012':
+                        lexer.whitespace = ' \t\r\n'
+                        break
+                    self.macros[entryname].append(line)
+                continue
+            else:
+                raise NetrcParseError(
+                    "bad toplevel token %r" % tt, file, lexer.lineno)
+
+            # We're looking at start of an entry for a named machine or default.
+            login = ''
+            account = password = None
+            self.hosts[entryname] = {}
+            while 1:
+                tt = lexer.get_token()
+                if (tt.startswith('#') or
+                    tt in {'', 'machine', 'default', 'macdef'}):
+                    if password:
+                        self.hosts[entryname] = (login, account, password)
+                        lexer.push_token(tt)
+                        break
+                    else:
+                        raise NetrcParseError(
+                            "malformed %s entry %s terminated by %s"
+                            % (toplevel, entryname, repr(tt)),
+                            file, lexer.lineno)
+                elif tt == 'login' or tt == 'user':
+                    login = lexer.get_token()
+                elif tt == 'account':
+                    account = lexer.get_token()
+                elif tt == 'password':
+                    if os.name == 'posix' and default_netrc:
+                        prop = os.fstat(fp.fileno())
+                        if prop.st_uid != os.getuid():
+                            import pwd
+                            try:
+                                fowner = pwd.getpwuid(prop.st_uid)[0]
+                            except KeyError:
+                                fowner = 'uid %s' % prop.st_uid
+                            try:
+                                user = pwd.getpwuid(os.getuid())[0]
+                            except KeyError:
+                                user = 'uid %s' % os.getuid()
+                            raise NetrcParseError(
+                                ("~/.netrc file owner (%s) does not match"
+                                 " current user (%s)") % (fowner, user),
+                                file, lexer.lineno)
+                        if (prop.st_mode & (stat.S_IRWXG | stat.S_IRWXO)):
+                            raise NetrcParseError(
+                               "~/.netrc access too permissive: access"
+                               " permissions must restrict access to only"
+                               " the owner", file, lexer.lineno)
+                    password = lexer.get_token()
+                else:
+                    raise NetrcParseError("bad follower token %r" % tt,
+                                          file, lexer.lineno)
+
+    def authenticators(self, host):
+        """Return a (user, account, password) tuple for given host."""
+        if host in self.hosts:
+            return self.hosts[host]
+        elif 'default' in self.hosts:
+            return self.hosts['default']
+        else:
+            return None
+
+    def __repr__(self):
+        """Dump the class data in the format of a .netrc file."""
+        rep = ""
+        for host in self.hosts.keys():
+            attrs = self.hosts[host]
+            rep += f"machine {host}\n\tlogin {attrs[0]}\n"
+            if attrs[1]:
+                rep += f"\taccount {attrs[1]}\n"
+            rep += f"\tpassword {attrs[2]}\n"
+        for macro in self.macros.keys():
+            rep += f"macdef {macro}\n"
+            for line in self.macros[macro]:
+                rep += line
+            rep += "\n"
+        return rep
+
+if __name__ == '__main__':
+    print(netrc())

my_container_sandbox/workspace/anaconda3/lib/python3.8/nntplib.py

@@ -0,0 +1,1151 @@
+"""An NNTP client class based on:
+- RFC 977: Network News Transfer Protocol
+- RFC 2980: Common NNTP Extensions
+- RFC 3977: Network News Transfer Protocol (version 2)
+
+Example:
+
+>>> from nntplib import NNTP
+>>> s = NNTP('news')
+>>> resp, count, first, last, name = s.group('comp.lang.python')
+>>> print('Group', name, 'has', count, 'articles, range', first, 'to', last)
+Group comp.lang.python has 51 articles, range 5770 to 5821
+>>> resp, subs = s.xhdr('subject', '{0}-{1}'.format(first, last))
+>>> resp = s.quit()
+>>>
+
+Here 'resp' is the server response line.
+Error responses are turned into exceptions.
+
+To post an article from a file:
+>>> f = open(filename, 'rb') # file containing article, including header
+>>> resp = s.post(f)
+>>>
+
+For descriptions of all methods, read the comments in the code below.
+Note that all arguments and return values representing article numbers
+are strings, not numbers, since they are rarely used for calculations.
+"""
+
+# RFC 977 by Brian Kantor and Phil Lapsley.
+# xover, xgtitle, xpath, date methods by Kevan Heydon
+
+# Incompatible changes from the 2.x nntplib:
+# - all commands are encoded as UTF-8 data (using the "surrogateescape"
+#   error handler), except for raw message data (POST, IHAVE)
+# - all responses are decoded as UTF-8 data (using the "surrogateescape"
+#   error handler), except for raw message data (ARTICLE, HEAD, BODY)
+# - the `file` argument to various methods is keyword-only
+#
+# - NNTP.date() returns a datetime object
+# - NNTP.newgroups() and NNTP.newnews() take a datetime (or date) object,
+#   rather than a pair of (date, time) strings.
+# - NNTP.newgroups() and NNTP.list() return a list of GroupInfo named tuples
+# - NNTP.descriptions() returns a dict mapping group names to descriptions
+# - NNTP.xover() returns a list of dicts mapping field names (header or metadata)
+#   to field values; each dict representing a message overview.
+# - NNTP.article(), NNTP.head() and NNTP.body() return a (response, ArticleInfo)
+#   tuple.
+# - the "internal" methods have been marked private (they now start with
+#   an underscore)
+
+# Other changes from the 2.x/3.1 nntplib:
+# - automatic querying of capabilities at connect
+# - New method NNTP.getcapabilities()
+# - New method NNTP.over()
+# - New helper function decode_header()
+# - NNTP.post() and NNTP.ihave() accept file objects, bytes-like objects and
+#   arbitrary iterables yielding lines.
+# - An extensive test suite :-)
+
+# TODO:
+# - return structured data (GroupInfo etc.) everywhere
+# - support HDR
+
+# Imports
+import re
+import socket
+import collections
+import datetime
+import warnings
+import sys
+
+try:
+    import ssl
+except ImportError:
+    _have_ssl = False
+else:
+    _have_ssl = True
+
+from email.header import decode_header as _email_decode_header
+from socket import _GLOBAL_DEFAULT_TIMEOUT
+
+__all__ = ["NNTP",
+           "NNTPError", "NNTPReplyError", "NNTPTemporaryError",
+           "NNTPPermanentError", "NNTPProtocolError", "NNTPDataError",
+           "decode_header",
+           ]
+
+# maximal line length when calling readline(). This is to prevent
+# reading arbitrary length lines. RFC 3977 limits NNTP line length to
+# 512 characters, including CRLF. We have selected 2048 just to be on
+# the safe side.
+_MAXLINE = 2048
+
+
+# Exceptions raised when an error or invalid response is received
+class NNTPError(Exception):
+    """Base class for all nntplib exceptions"""
+    def __init__(self, *args):
+        Exception.__init__(self, *args)
+        try:
+            self.response = args[0]
+        except IndexError:
+            self.response = 'No response given'
+
+class NNTPReplyError(NNTPError):
+    """Unexpected [123]xx reply"""
+    pass
+
+class NNTPTemporaryError(NNTPError):
+    """4xx errors"""
+    pass
+
+class NNTPPermanentError(NNTPError):
+    """5xx errors"""
+    pass
+
+class NNTPProtocolError(NNTPError):
+    """Response does not begin with [1-5]"""
+    pass
+
+class NNTPDataError(NNTPError):
+    """Error in response data"""
+    pass
+
+
+# Standard port used by NNTP servers
+NNTP_PORT = 119
+NNTP_SSL_PORT = 563
+
+# Response numbers that are followed by additional text (e.g. article)
+_LONGRESP = {
+    '100',   # HELP
+    '101',   # CAPABILITIES
+    '211',   # LISTGROUP   (also not multi-line with GROUP)
+    '215',   # LIST
+    '220',   # ARTICLE
+    '221',   # HEAD, XHDR
+    '222',   # BODY
+    '224',   # OVER, XOVER
+    '225',   # HDR
+    '230',   # NEWNEWS
+    '231',   # NEWGROUPS
+    '282',   # XGTITLE
+}
+
+# Default decoded value for LIST OVERVIEW.FMT if not supported
+_DEFAULT_OVERVIEW_FMT = [
+    "subject", "from", "date", "message-id", "references", ":bytes", ":lines"]
+
+# Alternative names allowed in LIST OVERVIEW.FMT response
+_OVERVIEW_FMT_ALTERNATIVES = {
+    'bytes': ':bytes',
+    'lines': ':lines',
+}
+
+# Line terminators (we always output CRLF, but accept any of CRLF, CR, LF)
+_CRLF = b'\r\n'
+
+GroupInfo = collections.namedtuple('GroupInfo',
+                                   ['group', 'last', 'first', 'flag'])
+
+ArticleInfo = collections.namedtuple('ArticleInfo',
+                                     ['number', 'message_id', 'lines'])
+
+
+# Helper function(s)
+def decode_header(header_str):
+    """Takes a unicode string representing a munged header value
+    and decodes it as a (possibly non-ASCII) readable value."""
+    parts = []
+    for v, enc in _email_decode_header(header_str):
+        if isinstance(v, bytes):
+            parts.append(v.decode(enc or 'ascii'))
+        else:
+            parts.append(v)
+    return ''.join(parts)
+
+def _parse_overview_fmt(lines):
+    """Parse a list of string representing the response to LIST OVERVIEW.FMT
+    and return a list of header/metadata names.
+    Raises NNTPDataError if the response is not compliant
+    (cf. RFC 3977, section 8.4)."""
+    fmt = []
+    for line in lines:
+        if line[0] == ':':
+            # Metadata name (e.g. ":bytes")
+            name, _, suffix = line[1:].partition(':')
+            name = ':' + name
+        else:
+            # Header name (e.g. "Subject:" or "Xref:full")
+            name, _, suffix = line.partition(':')
+        name = name.lower()
+        name = _OVERVIEW_FMT_ALTERNATIVES.get(name, name)
+        # Should we do something with the suffix?
+        fmt.append(name)
+    defaults = _DEFAULT_OVERVIEW_FMT
+    if len(fmt) < len(defaults):
+        raise NNTPDataError("LIST OVERVIEW.FMT response too short")
+    if fmt[:len(defaults)] != defaults:
+        raise NNTPDataError("LIST OVERVIEW.FMT redefines default fields")
+    return fmt
+
+def _parse_overview(lines, fmt, data_process_func=None):
+    """Parse the response to an OVER or XOVER command according to the
+    overview format `fmt`."""
+    n_defaults = len(_DEFAULT_OVERVIEW_FMT)
+    overview = []
+    for line in lines:
+        fields = {}
+        article_number, *tokens = line.split('\t')
+        article_number = int(article_number)
+        for i, token in enumerate(tokens):
+            if i >= len(fmt):
+                # XXX should we raise an error? Some servers might not
+                # support LIST OVERVIEW.FMT and still return additional
+                # headers.
+                continue
+            field_name = fmt[i]
+            is_metadata = field_name.startswith(':')
+            if i >= n_defaults and not is_metadata:
+                # Non-default header names are included in full in the response
+                # (unless the field is totally empty)
+                h = field_name + ": "
+                if token and token[:len(h)].lower() != h:
+                    raise NNTPDataError("OVER/XOVER response doesn't include "
+                                        "names of additional headers")
+                token = token[len(h):] if token else None
+            fields[fmt[i]] = token
+        overview.append((article_number, fields))
+    return overview
+
+def _parse_datetime(date_str, time_str=None):
+    """Parse a pair of (date, time) strings, and return a datetime object.
+    If only the date is given, it is assumed to be date and time
+    concatenated together (e.g. response to the DATE command).
+    """
+    if time_str is None:
+        time_str = date_str[-6:]
+        date_str = date_str[:-6]
+    hours = int(time_str[:2])
+    minutes = int(time_str[2:4])
+    seconds = int(time_str[4:])
+    year = int(date_str[:-4])
+    month = int(date_str[-4:-2])
+    day = int(date_str[-2:])
+    # RFC 3977 doesn't say how to interpret 2-char years.  Assume that
+    # there are no dates before 1970 on Usenet.
+    if year < 70:
+        year += 2000
+    elif year < 100:
+        year += 1900
+    return datetime.datetime(year, month, day, hours, minutes, seconds)
+
+def _unparse_datetime(dt, legacy=False):
+    """Format a date or datetime object as a pair of (date, time) strings
+    in the format required by the NEWNEWS and NEWGROUPS commands.  If a
+    date object is passed, the time is assumed to be midnight (00h00).
+
+    The returned representation depends on the legacy flag:
+    * if legacy is False (the default):
+      date has the YYYYMMDD format and time the HHMMSS format
+    * if legacy is True:
+      date has the YYMMDD format and time the HHMMSS format.
+    RFC 3977 compliant servers should understand both formats; therefore,
+    legacy is only needed when talking to old servers.
+    """
+    if not isinstance(dt, datetime.datetime):
+        time_str = "000000"
+    else:
+        time_str = "{0.hour:02d}{0.minute:02d}{0.second:02d}".format(dt)
+    y = dt.year
+    if legacy:
+        y = y % 100
+        date_str = "{0:02d}{1.month:02d}{1.day:02d}".format(y, dt)
+    else:
+        date_str = "{0:04d}{1.month:02d}{1.day:02d}".format(y, dt)
+    return date_str, time_str
+
+
+if _have_ssl:
+
+    def _encrypt_on(sock, context, hostname):
+        """Wrap a socket in SSL/TLS. Arguments:
+        - sock: Socket to wrap
+        - context: SSL context to use for the encrypted connection
+        Returns:
+        - sock: New, encrypted socket.
+        """
+        # Generate a default SSL context if none was passed.
+        if context is None:
+            context = ssl._create_stdlib_context()
+        return context.wrap_socket(sock, server_hostname=hostname)
+
+
+# The classes themselves
+class _NNTPBase:
+    # UTF-8 is the character set for all NNTP commands and responses: they
+    # are automatically encoded (when sending) and decoded (and receiving)
+    # by this class.
+    # However, some multi-line data blocks can contain arbitrary bytes (for
+    # example, latin-1 or utf-16 data in the body of a message). Commands
+    # taking (POST, IHAVE) or returning (HEAD, BODY, ARTICLE) raw message
+    # data will therefore only accept and produce bytes objects.
+    # Furthermore, since there could be non-compliant servers out there,
+    # we use 'surrogateescape' as the error handler for fault tolerance
+    # and easy round-tripping. This could be useful for some applications
+    # (e.g. NNTP gateways).
+
+    encoding = 'utf-8'
+    errors = 'surrogateescape'
+
+    def __init__(self, file, host,
+                 readermode=None, timeout=_GLOBAL_DEFAULT_TIMEOUT):
+        """Initialize an instance.  Arguments:
+        - file: file-like object (open for read/write in binary mode)
+        - host: hostname of the server
+        - readermode: if true, send 'mode reader' command after
+                      connecting.
+        - timeout: timeout (in seconds) used for socket connections
+
+        readermode is sometimes necessary if you are connecting to an
+        NNTP server on the local machine and intend to call
+        reader-specific commands, such as `group'.  If you get
+        unexpected NNTPPermanentErrors, you might need to set
+        readermode.
+        """
+        self.host = host
+        self.file = file
+        self.debugging = 0
+        self.welcome = self._getresp()
+
+        # Inquire about capabilities (RFC 3977).
+        self._caps = None
+        self.getcapabilities()
+
+        # 'MODE READER' is sometimes necessary to enable 'reader' mode.
+        # However, the order in which 'MODE READER' and 'AUTHINFO' need to
+        # arrive differs between some NNTP servers. If _setreadermode() fails
+        # with an authorization failed error, it will set this to True;
+        # the login() routine will interpret that as a request to try again
+        # after performing its normal function.
+        # Enable only if we're not already in READER mode anyway.
+        self.readermode_afterauth = False
+        if readermode and 'READER' not in self._caps:
+            self._setreadermode()
+            if not self.readermode_afterauth:
+                # Capabilities might have changed after MODE READER
+                self._caps = None
+                self.getcapabilities()
+
+        # RFC 4642 2.2.2: Both the client and the server MUST know if there is
+        # a TLS session active.  A client MUST NOT attempt to start a TLS
+        # session if a TLS session is already active.
+        self.tls_on = False
+
+        # Log in and encryption setup order is left to subclasses.
+        self.authenticated = False
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        is_connected = lambda: hasattr(self, "file")
+        if is_connected():
+            try:
+                self.quit()
+            except (OSError, EOFError):
+                pass
+            finally:
+                if is_connected():
+                    self._close()
+
+    def getwelcome(self):
+        """Get the welcome message from the server
+        (this is read and squirreled away by __init__()).
+        If the response code is 200, posting is allowed;
+        if it 201, posting is not allowed."""
+
+        if self.debugging: print('*welcome*', repr(self.welcome))
+        return self.welcome
+
+    def getcapabilities(self):
+        """Get the server capabilities, as read by __init__().
+        If the CAPABILITIES command is not supported, an empty dict is
+        returned."""
+        if self._caps is None:
+            self.nntp_version = 1
+            self.nntp_implementation = None
+            try:
+                resp, caps = self.capabilities()
+            except (NNTPPermanentError, NNTPTemporaryError):
+                # Server doesn't support capabilities
+                self._caps = {}
+            else:
+                self._caps = caps
+                if 'VERSION' in caps:
+                    # The server can advertise several supported versions,
+                    # choose the highest.
+                    self.nntp_version = max(map(int, caps['VERSION']))
+                if 'IMPLEMENTATION' in caps:
+                    self.nntp_implementation = ' '.join(caps['IMPLEMENTATION'])
+        return self._caps
+
+    def set_debuglevel(self, level):
+        """Set the debugging level.  Argument 'level' means:
+        0: no debugging output (default)
+        1: print commands and responses but not body text etc.
+        2: also print raw lines read and sent before stripping CR/LF"""
+
+        self.debugging = level
+    debug = set_debuglevel
+
+    def _putline(self, line):
+        """Internal: send one line to the server, appending CRLF.
+        The `line` must be a bytes-like object."""
+        sys.audit("nntplib.putline", self, line)
+        line = line + _CRLF
+        if self.debugging > 1: print('*put*', repr(line))
+        self.file.write(line)
+        self.file.flush()
+
+    def _putcmd(self, line):
+        """Internal: send one command to the server (through _putline()).
+        The `line` must be a unicode string."""
+        if self.debugging: print('*cmd*', repr(line))
+        line = line.encode(self.encoding, self.errors)
+        self._putline(line)
+
+    def _getline(self, strip_crlf=True):
+        """Internal: return one line from the server, stripping _CRLF.
+        Raise EOFError if the connection is closed.
+        Returns a bytes object."""
+        line = self.file.readline(_MAXLINE +1)
+        if len(line) > _MAXLINE:
+            raise NNTPDataError('line too long')
+        if self.debugging > 1:
+            print('*get*', repr(line))
+        if not line: raise EOFError
+        if strip_crlf:
+            if line[-2:] == _CRLF:
+                line = line[:-2]
+            elif line[-1:] in _CRLF:
+                line = line[:-1]
+        return line
+
+    def _getresp(self):
+        """Internal: get a response from the server.
+        Raise various errors if the response indicates an error.
+        Returns a unicode string."""
+        resp = self._getline()
+        if self.debugging: print('*resp*', repr(resp))
+        resp = resp.decode(self.encoding, self.errors)
+        c = resp[:1]
+        if c == '4':
+            raise NNTPTemporaryError(resp)
+        if c == '5':
+            raise NNTPPermanentError(resp)
+        if c not in '123':
+            raise NNTPProtocolError(resp)
+        return resp
+
+    def _getlongresp(self, file=None):
+        """Internal: get a response plus following text from the server.
+        Raise various errors if the response indicates an error.
+
+        Returns a (response, lines) tuple where `response` is a unicode
+        string and `lines` is a list of bytes objects.
+        If `file` is a file-like object, it must be open in binary mode.
+        """
+
+        openedFile = None
+        try:
+            # If a string was passed then open a file with that name
+            if isinstance(file, (str, bytes)):
+                openedFile = file = open(file, "wb")
+
+            resp = self._getresp()
+            if resp[:3] not in _LONGRESP:
+                raise NNTPReplyError(resp)
+
+            lines = []
+            if file is not None:
+                # XXX lines = None instead?
+                terminators = (b'.' + _CRLF, b'.\n')
+                while 1:
+                    line = self._getline(False)
+                    if line in terminators:
+                        break
+                    if line.startswith(b'..'):
+                        line = line[1:]
+                    file.write(line)
+            else:
+                terminator = b'.'
+                while 1:
+                    line = self._getline()
+                    if line == terminator:
+                        break
+                    if line.startswith(b'..'):
+                        line = line[1:]
+                    lines.append(line)
+        finally:
+            # If this method created the file, then it must close it
+            if openedFile:
+                openedFile.close()
+
+        return resp, lines
+
+    def _shortcmd(self, line):
+        """Internal: send a command and get the response.
+        Same return value as _getresp()."""
+        self._putcmd(line)
+        return self._getresp()
+
+    def _longcmd(self, line, file=None):
+        """Internal: send a command and get the response plus following text.
+        Same return value as _getlongresp()."""
+        self._putcmd(line)
+        return self._getlongresp(file)
+
+    def _longcmdstring(self, line, file=None):
+        """Internal: send a command and get the response plus following text.
+        Same as _longcmd() and _getlongresp(), except that the returned `lines`
+        are unicode strings rather than bytes objects.
+        """
+        self._putcmd(line)
+        resp, list = self._getlongresp(file)
+        return resp, [line.decode(self.encoding, self.errors)
+                      for line in list]
+
+    def _getoverviewfmt(self):
+        """Internal: get the overview format. Queries the server if not
+        already done, else returns the cached value."""
+        try:
+            return self._cachedoverviewfmt
+        except AttributeError:
+            pass
+        try:
+            resp, lines = self._longcmdstring("LIST OVERVIEW.FMT")
+        except NNTPPermanentError:
+            # Not supported by server?
+            fmt = _DEFAULT_OVERVIEW_FMT[:]
+        else:
+            fmt = _parse_overview_fmt(lines)
+        self._cachedoverviewfmt = fmt
+        return fmt
+
+    def _grouplist(self, lines):
+        # Parse lines into "group last first flag"
+        return [GroupInfo(*line.split()) for line in lines]
+
+    def capabilities(self):
+        """Process a CAPABILITIES command.  Not supported by all servers.
+        Return:
+        - resp: server response if successful
+        - caps: a dictionary mapping capability names to lists of tokens
+        (for example {'VERSION': ['2'], 'OVER': [], LIST: ['ACTIVE', 'HEADERS'] })
+        """
+        caps = {}
+        resp, lines = self._longcmdstring("CAPABILITIES")
+        for line in lines:
+            name, *tokens = line.split()
+            caps[name] = tokens
+        return resp, caps
+
+    def newgroups(self, date, *, file=None):
+        """Process a NEWGROUPS command.  Arguments:
+        - date: a date or datetime object
+        Return:
+        - resp: server response if successful
+        - list: list of newsgroup names
+        """
+        if not isinstance(date, (datetime.date, datetime.date)):
+            raise TypeError(
+                "the date parameter must be a date or datetime object, "
+                "not '{:40}'".format(date.__class__.__name__))
+        date_str, time_str = _unparse_datetime(date, self.nntp_version < 2)
+        cmd = 'NEWGROUPS {0} {1}'.format(date_str, time_str)
+        resp, lines = self._longcmdstring(cmd, file)
+        return resp, self._grouplist(lines)
+
+    def newnews(self, group, date, *, file=None):
+        """Process a NEWNEWS command.  Arguments:
+        - group: group name or '*'
+        - date: a date or datetime object
+        Return:
+        - resp: server response if successful
+        - list: list of message ids
+        """
+        if not isinstance(date, (datetime.date, datetime.date)):
+            raise TypeError(
+                "the date parameter must be a date or datetime object, "
+                "not '{:40}'".format(date.__class__.__name__))
+        date_str, time_str = _unparse_datetime(date, self.nntp_version < 2)
+        cmd = 'NEWNEWS {0} {1} {2}'.format(group, date_str, time_str)
+        return self._longcmdstring(cmd, file)
+
+    def list(self, group_pattern=None, *, file=None):
+        """Process a LIST or LIST ACTIVE command. Arguments:
+        - group_pattern: a pattern indicating which groups to query
+        - file: Filename string or file object to store the result in
+        Returns:
+        - resp: server response if successful
+        - list: list of (group, last, first, flag) (strings)
+        """
+        if group_pattern is not None:
+            command = 'LIST ACTIVE ' + group_pattern
+        else:
+            command = 'LIST'
+        resp, lines = self._longcmdstring(command, file)
+        return resp, self._grouplist(lines)
+
+    def _getdescriptions(self, group_pattern, return_all):
+        line_pat = re.compile('^(?P<group>[^ \t]+)[ \t]+(.*)$')
+        # Try the more std (acc. to RFC2980) LIST NEWSGROUPS first
+        resp, lines = self._longcmdstring('LIST NEWSGROUPS ' + group_pattern)
+        if not resp.startswith('215'):
+            # Now the deprecated XGTITLE.  This either raises an error
+            # or succeeds with the same output structure as LIST
+            # NEWSGROUPS.
+            resp, lines = self._longcmdstring('XGTITLE ' + group_pattern)
+        groups = {}
+        for raw_line in lines:
+            match = line_pat.search(raw_line.strip())
+            if match:
+                name, desc = match.group(1, 2)
+                if not return_all:
+                    return desc
+                groups[name] = desc
+        if return_all:
+            return resp, groups
+        else:
+            # Nothing found
+            return ''
+
+    def description(self, group):
+        """Get a description for a single group.  If more than one
+        group matches ('group' is a pattern), return the first.  If no
+        group matches, return an empty string.
+
+        This elides the response code from the server, since it can
+        only be '215' or '285' (for xgtitle) anyway.  If the response
+        code is needed, use the 'descriptions' method.
+
+        NOTE: This neither checks for a wildcard in 'group' nor does
+        it check whether the group actually exists."""
+        return self._getdescriptions(group, False)
+
+    def descriptions(self, group_pattern):
+        """Get descriptions for a range of groups."""
+        return self._getdescriptions(group_pattern, True)
+
+    def group(self, name):
+        """Process a GROUP command.  Argument:
+        - group: the group name
+        Returns:
+        - resp: server response if successful
+        - count: number of articles
+        - first: first article number
+        - last: last article number
+        - name: the group name
+        """
+        resp = self._shortcmd('GROUP ' + name)
+        if not resp.startswith('211'):
+            raise NNTPReplyError(resp)
+        words = resp.split()
+        count = first = last = 0
+        n = len(words)
+        if n > 1:
+            count = words[1]
+            if n > 2:
+                first = words[2]
+                if n > 3:
+                    last = words[3]
+                    if n > 4:
+                        name = words[4].lower()
+        return resp, int(count), int(first), int(last), name
+
+    def help(self, *, file=None):
+        """Process a HELP command. Argument:
+        - file: Filename string or file object to store the result in
+        Returns:
+        - resp: server response if successful
+        - list: list of strings returned by the server in response to the
+                HELP command
+        """
+        return self._longcmdstring('HELP', file)
+
+    def _statparse(self, resp):
+        """Internal: parse the response line of a STAT, NEXT, LAST,
+        ARTICLE, HEAD or BODY command."""
+        if not resp.startswith('22'):
+            raise NNTPReplyError(resp)
+        words = resp.split()
+        art_num = int(words[1])
+        message_id = words[2]
+        return resp, art_num, message_id
+
+    def _statcmd(self, line):
+        """Internal: process a STAT, NEXT or LAST command."""
+        resp = self._shortcmd(line)
+        return self._statparse(resp)
+
+    def stat(self, message_spec=None):
+        """Process a STAT command.  Argument:
+        - message_spec: article number or message id (if not specified,
+          the current article is selected)
+        Returns:
+        - resp: server response if successful
+        - art_num: the article number
+        - message_id: the message id
+        """
+        if message_spec:
+            return self._statcmd('STAT {0}'.format(message_spec))
+        else:
+            return self._statcmd('STAT')
+
+    def next(self):
+        """Process a NEXT command.  No arguments.  Return as for STAT."""
+        return self._statcmd('NEXT')
+
+    def last(self):
+        """Process a LAST command.  No arguments.  Return as for STAT."""
+        return self._statcmd('LAST')
+
+    def _artcmd(self, line, file=None):
+        """Internal: process a HEAD, BODY or ARTICLE command."""
+        resp, lines = self._longcmd(line, file)
+        resp, art_num, message_id = self._statparse(resp)
+        return resp, ArticleInfo(art_num, message_id, lines)
+
+    def head(self, message_spec=None, *, file=None):
+        """Process a HEAD command.  Argument:
+        - message_spec: article number or message id
+        - file: filename string or file object to store the headers in
+        Returns:
+        - resp: server response if successful
+        - ArticleInfo: (article number, message id, list of header lines)
+        """
+        if message_spec is not None:
+            cmd = 'HEAD {0}'.format(message_spec)
+        else:
+            cmd = 'HEAD'
+        return self._artcmd(cmd, file)
+
+    def body(self, message_spec=None, *, file=None):
+        """Process a BODY command.  Argument:
+        - message_spec: article number or message id
+        - file: filename string or file object to store the body in
+        Returns:
+        - resp: server response if successful
+        - ArticleInfo: (article number, message id, list of body lines)
+        """
+        if message_spec is not None:
+            cmd = 'BODY {0}'.format(message_spec)
+        else:
+            cmd = 'BODY'
+        return self._artcmd(cmd, file)
+
+    def article(self, message_spec=None, *, file=None):
+        """Process an ARTICLE command.  Argument:
+        - message_spec: article number or message id
+        - file: filename string or file object to store the article in
+        Returns:
+        - resp: server response if successful
+        - ArticleInfo: (article number, message id, list of article lines)
+        """
+        if message_spec is not None:
+            cmd = 'ARTICLE {0}'.format(message_spec)
+        else:
+            cmd = 'ARTICLE'
+        return self._artcmd(cmd, file)
+
+    def slave(self):
+        """Process a SLAVE command.  Returns:
+        - resp: server response if successful
+        """
+        return self._shortcmd('SLAVE')
+
+    def xhdr(self, hdr, str, *, file=None):
+        """Process an XHDR command (optional server extension).  Arguments:
+        - hdr: the header type (e.g. 'subject')
+        - str: an article nr, a message id, or a range nr1-nr2
+        - file: Filename string or file object to store the result in
+        Returns:
+        - resp: server response if successful
+        - list: list of (nr, value) strings
+        """
+        pat = re.compile('^([0-9]+) ?(.*)\n?')
+        resp, lines = self._longcmdstring('XHDR {0} {1}'.format(hdr, str), file)
+        def remove_number(line):
+            m = pat.match(line)
+            return m.group(1, 2) if m else line
+        return resp, [remove_number(line) for line in lines]
+
+    def xover(self, start, end, *, file=None):
+        """Process an XOVER command (optional server extension) Arguments:
+        - start: start of range
+        - end: end of range
+        - file: Filename string or file object to store the result in
+        Returns:
+        - resp: server response if successful
+        - list: list of dicts containing the response fields
+        """
+        resp, lines = self._longcmdstring('XOVER {0}-{1}'.format(start, end),
+                                          file)
+        fmt = self._getoverviewfmt()
+        return resp, _parse_overview(lines, fmt)
+
+    def over(self, message_spec, *, file=None):
+        """Process an OVER command.  If the command isn't supported, fall
+        back to XOVER. Arguments:
+        - message_spec:
+            - either a message id, indicating the article to fetch
+              information about
+            - or a (start, end) tuple, indicating a range of article numbers;
+              if end is None, information up to the newest message will be
+              retrieved
+            - or None, indicating the current article number must be used
+        - file: Filename string or file object to store the result in
+        Returns:
+        - resp: server response if successful
+        - list: list of dicts containing the response fields
+
+        NOTE: the "message id" form isn't supported by XOVER
+        """
+        cmd = 'OVER' if 'OVER' in self._caps else 'XOVER'
+        if isinstance(message_spec, (tuple, list)):
+            start, end = message_spec
+            cmd += ' {0}-{1}'.format(start, end or '')
+        elif message_spec is not None:
+            cmd = cmd + ' ' + message_spec
+        resp, lines = self._longcmdstring(cmd, file)
+        fmt = self._getoverviewfmt()
+        return resp, _parse_overview(lines, fmt)
+
+    def xgtitle(self, group, *, file=None):
+        """Process an XGTITLE command (optional server extension) Arguments:
+        - group: group name wildcard (i.e. news.*)
+        Returns:
+        - resp: server response if successful
+        - list: list of (name,title) strings"""
+        warnings.warn("The XGTITLE extension is not actively used, "
+                      "use descriptions() instead",
+                      DeprecationWarning, 2)
+        line_pat = re.compile('^([^ \t]+)[ \t]+(.*)$')
+        resp, raw_lines = self._longcmdstring('XGTITLE ' + group, file)
+        lines = []
+        for raw_line in raw_lines:
+            match = line_pat.search(raw_line.strip())
+            if match:
+                lines.append(match.group(1, 2))
+        return resp, lines
+
+    def xpath(self, id):
+        """Process an XPATH command (optional server extension) Arguments:
+        - id: Message id of article
+        Returns:
+        resp: server response if successful
+        path: directory path to article
+        """
+        warnings.warn("The XPATH extension is not actively used",
+                      DeprecationWarning, 2)
+
+        resp = self._shortcmd('XPATH {0}'.format(id))
+        if not resp.startswith('223'):
+            raise NNTPReplyError(resp)
+        try:
+            [resp_num, path] = resp.split()
+        except ValueError:
+            raise NNTPReplyError(resp) from None
+        else:
+            return resp, path
+
+    def date(self):
+        """Process the DATE command.
+        Returns:
+        - resp: server response if successful
+        - date: datetime object
+        """
+        resp = self._shortcmd("DATE")
+        if not resp.startswith('111'):
+            raise NNTPReplyError(resp)
+        elem = resp.split()
+        if len(elem) != 2:
+            raise NNTPDataError(resp)
+        date = elem[1]
+        if len(date) != 14:
+            raise NNTPDataError(resp)
+        return resp, _parse_datetime(date, None)
+
+    def _post(self, command, f):
+        resp = self._shortcmd(command)
+        # Raises a specific exception if posting is not allowed
+        if not resp.startswith('3'):
+            raise NNTPReplyError(resp)
+        if isinstance(f, (bytes, bytearray)):
+            f = f.splitlines()
+        # We don't use _putline() because:
+        # - we don't want additional CRLF if the file or iterable is already
+        #   in the right format
+        # - we don't want a spurious flush() after each line is written
+        for line in f:
+            if not line.endswith(_CRLF):
+                line = line.rstrip(b"\r\n") + _CRLF
+            if line.startswith(b'.'):
+                line = b'.' + line
+            self.file.write(line)
+        self.file.write(b".\r\n")
+        self.file.flush()
+        return self._getresp()
+
+    def post(self, data):
+        """Process a POST command.  Arguments:
+        - data: bytes object, iterable or file containing the article
+        Returns:
+        - resp: server response if successful"""
+        return self._post('POST', data)
+
+    def ihave(self, message_id, data):
+        """Process an IHAVE command.  Arguments:
+        - message_id: message-id of the article
+        - data: file containing the article
+        Returns:
+        - resp: server response if successful
+        Note that if the server refuses the article an exception is raised."""
+        return self._post('IHAVE {0}'.format(message_id), data)
+
+    def _close(self):
+        self.file.close()
+        del self.file
+
+    def quit(self):
+        """Process a QUIT command and close the socket.  Returns:
+        - resp: server response if successful"""
+        try:
+            resp = self._shortcmd('QUIT')
+        finally:
+            self._close()
+        return resp
+
+    def login(self, user=None, password=None, usenetrc=True):
+        if self.authenticated:
+            raise ValueError("Already logged in.")
+        if not user and not usenetrc:
+            raise ValueError(
+                "At least one of `user` and `usenetrc` must be specified")
+        # If no login/password was specified but netrc was requested,
+        # try to get them from ~/.netrc
+        # Presume that if .netrc has an entry, NNRP authentication is required.
+        try:
+            if usenetrc and not user:
+                import netrc
+                credentials = netrc.netrc()
+                auth = credentials.authenticators(self.host)
+                if auth:
+                    user = auth[0]
+                    password = auth[2]
+        except OSError:
+            pass
+        # Perform NNTP authentication if needed.
+        if not user:
+            return
+        resp = self._shortcmd('authinfo user ' + user)
+        if resp.startswith('381'):
+            if not password:
+                raise NNTPReplyError(resp)
+            else:
+                resp = self._shortcmd('authinfo pass ' + password)
+                if not resp.startswith('281'):
+                    raise NNTPPermanentError(resp)
+        # Capabilities might have changed after login
+        self._caps = None
+        self.getcapabilities()
+        # Attempt to send mode reader if it was requested after login.
+        # Only do so if we're not in reader mode already.
+        if self.readermode_afterauth and 'READER' not in self._caps:
+            self._setreadermode()
+            # Capabilities might have changed after MODE READER
+            self._caps = None
+            self.getcapabilities()
+
+    def _setreadermode(self):
+        try:
+            self.welcome = self._shortcmd('mode reader')
+        except NNTPPermanentError:
+            # Error 5xx, probably 'not implemented'
+            pass
+        except NNTPTemporaryError as e:
+            if e.response.startswith('480'):
+                # Need authorization before 'mode reader'
+                self.readermode_afterauth = True
+            else:
+                raise
+
+    if _have_ssl:
+        def starttls(self, context=None):
+            """Process a STARTTLS command. Arguments:
+            - context: SSL context to use for the encrypted connection
+            """
+            # Per RFC 4642, STARTTLS MUST NOT be sent after authentication or if
+            # a TLS session already exists.
+            if self.tls_on:
+                raise ValueError("TLS is already enabled.")
+            if self.authenticated:
+                raise ValueError("TLS cannot be started after authentication.")
+            resp = self._shortcmd('STARTTLS')
+            if resp.startswith('382'):
+                self.file.close()
+                self.sock = _encrypt_on(self.sock, context, self.host)
+                self.file = self.sock.makefile("rwb")
+                self.tls_on = True
+                # Capabilities may change after TLS starts up, so ask for them
+                # again.
+                self._caps = None
+                self.getcapabilities()
+            else:
+                raise NNTPError("TLS failed to start.")
+
+
+class NNTP(_NNTPBase):
+
+    def __init__(self, host, port=NNTP_PORT, user=None, password=None,
+                 readermode=None, usenetrc=False,
+                 timeout=_GLOBAL_DEFAULT_TIMEOUT):
+        """Initialize an instance.  Arguments:
+        - host: hostname to connect to
+        - port: port to connect to (default the standard NNTP port)
+        - user: username to authenticate with
+        - password: password to use with username
+        - readermode: if true, send 'mode reader' command after
+                      connecting.
+        - usenetrc: allow loading username and password from ~/.netrc file
+                    if not specified explicitly
+        - timeout: timeout (in seconds) used for socket connections
+
+        readermode is sometimes necessary if you are connecting to an
+        NNTP server on the local machine and intend to call
+        reader-specific commands, such as `group'.  If you get
+        unexpected NNTPPermanentErrors, you might need to set
+        readermode.
+        """
+        self.host = host
+        self.port = port
+        sys.audit("nntplib.connect", self, host, port)
+        self.sock = socket.create_connection((host, port), timeout)
+        file = None
+        try:
+            file = self.sock.makefile("rwb")
+            _NNTPBase.__init__(self, file, host,
+                               readermode, timeout)
+            if user or usenetrc:
+                self.login(user, password, usenetrc)
+        except:
+            if file:
+                file.close()
+            self.sock.close()
+            raise
+
+    def _close(self):
+        try:
+            _NNTPBase._close(self)
+        finally:
+            self.sock.close()
+
+
+if _have_ssl:
+    class NNTP_SSL(_NNTPBase):
+
+        def __init__(self, host, port=NNTP_SSL_PORT,
+                    user=None, password=None, ssl_context=None,
+                    readermode=None, usenetrc=False,
+                    timeout=_GLOBAL_DEFAULT_TIMEOUT):
+            """This works identically to NNTP.__init__, except for the change
+            in default port and the `ssl_context` argument for SSL connections.
+            """
+            sys.audit("nntplib.connect", self, host, port)
+            self.sock = socket.create_connection((host, port), timeout)
+            file = None
+            try:
+                self.sock = _encrypt_on(self.sock, ssl_context, host)
+                file = self.sock.makefile("rwb")
+                _NNTPBase.__init__(self, file, host,
+                                   readermode=readermode, timeout=timeout)
+                if user or usenetrc:
+                    self.login(user, password, usenetrc)
+            except:
+                if file:
+                    file.close()
+                self.sock.close()
+                raise
+
+        def _close(self):
+            try:
+                _NNTPBase._close(self)
+            finally:
+                self.sock.close()
+
+    __all__.append("NNTP_SSL")
+
+
+# Test retrieval when run as a script.
+if __name__ == '__main__':
+    import argparse
+
+    parser = argparse.ArgumentParser(description="""\
+        nntplib built-in demo - display the latest articles in a newsgroup""")
+    parser.add_argument('-g', '--group', default='gmane.comp.python.general',
+                        help='group to fetch messages from (default: %(default)s)')
+    parser.add_argument('-s', '--server', default='news.gmane.io',
+                        help='NNTP server hostname (default: %(default)s)')
+    parser.add_argument('-p', '--port', default=-1, type=int,
+                        help='NNTP port number (default: %s / %s)' % (NNTP_PORT, NNTP_SSL_PORT))
+    parser.add_argument('-n', '--nb-articles', default=10, type=int,
+                        help='number of articles to fetch (default: %(default)s)')
+    parser.add_argument('-S', '--ssl', action='store_true', default=False,
+                        help='use NNTP over SSL')
+    args = parser.parse_args()
+
+    port = args.port
+    if not args.ssl:
+        if port == -1:
+            port = NNTP_PORT
+        s = NNTP(host=args.server, port=port)
+    else:
+        if port == -1:
+            port = NNTP_SSL_PORT
+        s = NNTP_SSL(host=args.server, port=port)
+
+    caps = s.getcapabilities()
+    if 'STARTTLS' in caps:
+        s.starttls()
+    resp, count, first, last, name = s.group(args.group)
+    print('Group', name, 'has', count, 'articles, range', first, 'to', last)
+
+    def cut(s, lim):
+        if len(s) > lim:
+            s = s[:lim - 4] + "..."
+        return s
+
+    first = str(int(last) - args.nb_articles + 1)
+    resp, overviews = s.xover(first, last)
+    for artnum, over in overviews:
+        author = decode_header(over['from']).split('<', 1)[0]
+        subject = decode_header(over['subject'])
+        lines = int(over[':lines'])
+        print("{:7} {:20} {:42} ({})".format(
+              artnum, cut(author, 20), cut(subject, 42), lines)
+              )
+
+    s.quit()

my_container_sandbox/workspace/anaconda3/lib/python3.8/numbers.py

@@ -0,0 +1,389 @@
+# Copyright 2007 Google, Inc. All Rights Reserved.
+# Licensed to PSF under a Contributor Agreement.
+
+"""Abstract Base Classes (ABCs) for numbers, according to PEP 3141.
+
+TODO: Fill out more detailed documentation on the operators."""
+
+from abc import ABCMeta, abstractmethod
+
+__all__ = ["Number", "Complex", "Real", "Rational", "Integral"]
+
+class Number(metaclass=ABCMeta):
+    """All numbers inherit from this class.
+
+    If you just want to check if an argument x is a number, without
+    caring what kind, use isinstance(x, Number).
+    """
+    __slots__ = ()
+
+    # Concrete numeric types must provide their own hash implementation
+    __hash__ = None
+
+
+## Notes on Decimal
+## ----------------
+## Decimal has all of the methods specified by the Real abc, but it should
+## not be registered as a Real because decimals do not interoperate with
+## binary floats (i.e.  Decimal('3.14') + 2.71828 is undefined).  But,
+## abstract reals are expected to interoperate (i.e. R1 + R2 should be
+## expected to work if R1 and R2 are both Reals).
+
+class Complex(Number):
+    """Complex defines the operations that work on the builtin complex type.
+
+    In short, those are: a conversion to complex, .real, .imag, +, -,
+    *, /, abs(), .conjugate, ==, and !=.
+
+    If it is given heterogeneous arguments, and doesn't have special
+    knowledge about them, it should fall back to the builtin complex
+    type as described below.
+    """
+
+    __slots__ = ()
+
+    @abstractmethod
+    def __complex__(self):
+        """Return a builtin complex instance. Called for complex(self)."""
+
+    def __bool__(self):
+        """True if self != 0. Called for bool(self)."""
+        return self != 0
+
+    @property
+    @abstractmethod
+    def real(self):
+        """Retrieve the real component of this number.
+
+        This should subclass Real.
+        """
+        raise NotImplementedError
+
+    @property
+    @abstractmethod
+    def imag(self):
+        """Retrieve the imaginary component of this number.
+
+        This should subclass Real.
+        """
+        raise NotImplementedError
+
+    @abstractmethod
+    def __add__(self, other):
+        """self + other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __radd__(self, other):
+        """other + self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __neg__(self):
+        """-self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __pos__(self):
+        """+self"""
+        raise NotImplementedError
+
+    def __sub__(self, other):
+        """self - other"""
+        return self + -other
+
+    def __rsub__(self, other):
+        """other - self"""
+        return -self + other
+
+    @abstractmethod
+    def __mul__(self, other):
+        """self * other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rmul__(self, other):
+        """other * self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __truediv__(self, other):
+        """self / other: Should promote to float when necessary."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rtruediv__(self, other):
+        """other / self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __pow__(self, exponent):
+        """self**exponent; should promote to float or complex when necessary."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rpow__(self, base):
+        """base ** self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __abs__(self):
+        """Returns the Real distance from 0. Called for abs(self)."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def conjugate(self):
+        """(x+y*i).conjugate() returns (x-y*i)."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __eq__(self, other):
+        """self == other"""
+        raise NotImplementedError
+
+Complex.register(complex)
+
+
+class Real(Complex):
+    """To Complex, Real adds the operations that work on real numbers.
+
+    In short, those are: a conversion to float, trunc(), divmod,
+    %, <, <=, >, and >=.
+
+    Real also provides defaults for the derived operations.
+    """
+
+    __slots__ = ()
+
+    @abstractmethod
+    def __float__(self):
+        """Any Real can be converted to a native float object.
+
+        Called for float(self)."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __trunc__(self):
+        """trunc(self): Truncates self to an Integral.
+
+        Returns an Integral i such that:
+          * i>0 iff self>0;
+          * abs(i) <= abs(self);
+          * for any Integral j satisfying the first two conditions,
+            abs(i) >= abs(j) [i.e. i has "maximal" abs among those].
+        i.e. "truncate towards 0".
+        """
+        raise NotImplementedError
+
+    @abstractmethod
+    def __floor__(self):
+        """Finds the greatest Integral <= self."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __ceil__(self):
+        """Finds the least Integral >= self."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __round__(self, ndigits=None):
+        """Rounds self to ndigits decimal places, defaulting to 0.
+
+        If ndigits is omitted or None, returns an Integral, otherwise
+        returns a Real. Rounds half toward even.
+        """
+        raise NotImplementedError
+
+    def __divmod__(self, other):
+        """divmod(self, other): The pair (self // other, self % other).
+
+        Sometimes this can be computed faster than the pair of
+        operations.
+        """
+        return (self // other, self % other)
+
+    def __rdivmod__(self, other):
+        """divmod(other, self): The pair (self // other, self % other).
+
+        Sometimes this can be computed faster than the pair of
+        operations.
+        """
+        return (other // self, other % self)
+
+    @abstractmethod
+    def __floordiv__(self, other):
+        """self // other: The floor() of self/other."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rfloordiv__(self, other):
+        """other // self: The floor() of other/self."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __mod__(self, other):
+        """self % other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rmod__(self, other):
+        """other % self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __lt__(self, other):
+        """self < other
+
+        < on Reals defines a total ordering, except perhaps for NaN."""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __le__(self, other):
+        """self <= other"""
+        raise NotImplementedError
+
+    # Concrete implementations of Complex abstract methods.
+    def __complex__(self):
+        """complex(self) == complex(float(self), 0)"""
+        return complex(float(self))
+
+    @property
+    def real(self):
+        """Real numbers are their real component."""
+        return +self
+
+    @property
+    def imag(self):
+        """Real numbers have no imaginary component."""
+        return 0
+
+    def conjugate(self):
+        """Conjugate is a no-op for Reals."""
+        return +self
+
+Real.register(float)
+
+
+class Rational(Real):
+    """.numerator and .denominator should be in lowest terms."""
+
+    __slots__ = ()
+
+    @property
+    @abstractmethod
+    def numerator(self):
+        raise NotImplementedError
+
+    @property
+    @abstractmethod
+    def denominator(self):
+        raise NotImplementedError
+
+    # Concrete implementation of Real's conversion to float.
+    def __float__(self):
+        """float(self) = self.numerator / self.denominator
+
+        It's important that this conversion use the integer's "true"
+        division rather than casting one side to float before dividing
+        so that ratios of huge integers convert without overflowing.
+
+        """
+        return self.numerator / self.denominator
+
+
+class Integral(Rational):
+    """Integral adds a conversion to int and the bit-string operations."""
+
+    __slots__ = ()
+
+    @abstractmethod
+    def __int__(self):
+        """int(self)"""
+        raise NotImplementedError
+
+    def __index__(self):
+        """Called whenever an index is needed, such as in slicing"""
+        return int(self)
+
+    @abstractmethod
+    def __pow__(self, exponent, modulus=None):
+        """self ** exponent % modulus, but maybe faster.
+
+        Accept the modulus argument if you want to support the
+        3-argument version of pow(). Raise a TypeError if exponent < 0
+        or any argument isn't Integral. Otherwise, just implement the
+        2-argument version described in Complex.
+        """
+        raise NotImplementedError
+
+    @abstractmethod
+    def __lshift__(self, other):
+        """self << other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rlshift__(self, other):
+        """other << self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rshift__(self, other):
+        """self >> other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rrshift__(self, other):
+        """other >> self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __and__(self, other):
+        """self & other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rand__(self, other):
+        """other & self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __xor__(self, other):
+        """self ^ other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __rxor__(self, other):
+        """other ^ self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __or__(self, other):
+        """self | other"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __ror__(self, other):
+        """other | self"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def __invert__(self):
+        """~self"""
+        raise NotImplementedError
+
+    # Concrete implementations of Rational and Real abstract methods.
+    def __float__(self):
+        """float(self) == float(int(self))"""
+        return float(int(self))
+
+    @property
+    def numerator(self):
+        """Integers are their own numerators."""
+        return +self
+
+    @property
+    def denominator(self):
+        """Integers have a denominator of 1."""
+        return 1
+
+Integral.register(int)