INSTRUCTION stringlengths 1 46.3k | RESPONSE stringlengths 75 80.2k |
|---|---|
{'oneof': [
{'type': 'callable'},
{'type': 'list',
'schema': {'oneof': [{'type': 'callable'},
{'type': 'string'}]}},
{'type': 'string'}
]} | def _normalize_rename_handler(self, mapping, schema, field):
""" {'oneof': [
{'type': 'callable'},
{'type': 'list',
'schema': {'oneof': [{'type': 'callable'},
{'type': 'string'}]}},
{'type': 'string'}
... |
{'oneof': [
{'type': 'callable'},
{'type': 'string'}
]} | def _normalize_default_setter(self, mapping, schema, field):
""" {'oneof': [
{'type': 'callable'},
{'type': 'string'}
]} """
if 'default_setter' in schema[field]:
setter = schema[field]['default_setter']
if isinstance(setter, _str_t... |
Normalizes and validates a mapping against a validation-schema of
defined rules.
:param document: The document to normalize.
:type document: any :term:`mapping`
:param schema: The validation schema. Defaults to :obj:`None`. If not
provided here, the schema must ha... | def validate(self, document, schema=None, update=False, normalize=True):
""" Normalizes and validates a mapping against a validation-schema of
defined rules.
:param document: The document to normalize.
:type document: any :term:`mapping`
:param schema: The validation schema. Def... |
Wrapper around :meth:`~cerberus.Validator.validate` that returns
the normalized and validated document or :obj:`None` if validation
failed. | def validated(self, *args, **kwargs):
""" Wrapper around :meth:`~cerberus.Validator.validate` that returns
the normalized and validated document or :obj:`None` if validation
failed. """
always_return_document = kwargs.pop('always_return_document', False)
self.validate(*ar... |
{'type': 'list'} | def _validate_allowed(self, allowed_values, field, value):
""" {'type': 'list'} """
if isinstance(value, Iterable) and not isinstance(value, _str_type):
unallowed = set(value) - set(allowed_values)
if unallowed:
self._error(field, errors.UNALLOWED_VALUES, list(una... |
{'type': 'boolean'} | def _validate_empty(self, empty, field, value):
""" {'type': 'boolean'} """
if isinstance(value, Iterable) and len(value) == 0:
self._drop_remaining_rules(
'allowed', 'forbidden', 'items', 'minlength', 'maxlength',
'regex', 'validator')
if not empt... |
{'type': ('hashable', 'list'),
'schema': {'type': 'hashable'}} | def _validate_excludes(self, excludes, field, value):
""" {'type': ('hashable', 'list'),
'schema': {'type': 'hashable'}} """
if isinstance(excludes, Hashable):
excludes = [excludes]
# Save required field to be checked latter
if 'required' in self.schema[field] a... |
{'type': 'list'} | def _validate_forbidden(self, forbidden_values, field, value):
""" {'type': 'list'} """
if isinstance(value, _str_type):
if value in forbidden_values:
self._error(field, errors.FORBIDDEN_VALUE, value)
elif isinstance(value, Sequence):
forbidden = set(value... |
Validates value against all definitions and logs errors according
to the operator. | def __validate_logical(self, operator, definitions, field, value):
""" Validates value against all definitions and logs errors according
to the operator. """
valid_counter = 0
_errors = errors.ErrorList()
for i, definition in enumerate(definitions):
schema = {fie... |
{'type': 'list', 'logical': 'anyof'} | def _validate_anyof(self, definitions, field, value):
""" {'type': 'list', 'logical': 'anyof'} """
valids, _errors = \
self.__validate_logical('anyof', definitions, field, value)
if valids < 1:
self._error(field, errors.ANYOF, _errors,
valids, len(... |
{'type': 'list', 'logical': 'allof'} | def _validate_allof(self, definitions, field, value):
""" {'type': 'list', 'logical': 'allof'} """
valids, _errors = \
self.__validate_logical('allof', definitions, field, value)
if valids < len(definitions):
self._error(field, errors.ALLOF, _errors,
... |
{'type': 'list', 'logical': 'noneof'} | def _validate_noneof(self, definitions, field, value):
""" {'type': 'list', 'logical': 'noneof'} """
valids, _errors = \
self.__validate_logical('noneof', definitions, field, value)
if valids > 0:
self._error(field, errors.NONEOF, _errors,
valids, ... |
{'type': 'list', 'logical': 'oneof'} | def _validate_oneof(self, definitions, field, value):
""" {'type': 'list', 'logical': 'oneof'} """
valids, _errors = \
self.__validate_logical('oneof', definitions, field, value)
if valids != 1:
self._error(field, errors.ONEOF, _errors,
valids, len... |
{'nullable': False } | def _validate_max(self, max_value, field, value):
""" {'nullable': False } """
try:
if value > max_value:
self._error(field, errors.MAX_VALUE)
except TypeError:
pass |
{'nullable': False } | def _validate_min(self, min_value, field, value):
""" {'nullable': False } """
try:
if value < min_value:
self._error(field, errors.MIN_VALUE)
except TypeError:
pass |
{'type': 'integer'} | def _validate_maxlength(self, max_length, field, value):
""" {'type': 'integer'} """
if isinstance(value, Iterable) and len(value) > max_length:
self._error(field, errors.MAX_LENGTH, len(value)) |
{'type': 'integer'} | def _validate_minlength(self, min_length, field, value):
""" {'type': 'integer'} """
if isinstance(value, Iterable) and len(value) < min_length:
self._error(field, errors.MIN_LENGTH, len(value)) |
{'type': ['dict', 'string'], 'validator': 'bulk_schema',
'forbidden': ['rename', 'rename_handler']} | def _validate_keyschema(self, schema, field, value):
""" {'type': ['dict', 'string'], 'validator': 'bulk_schema',
'forbidden': ['rename', 'rename_handler']} """
if isinstance(value, Mapping):
validator = self._get_child_validator(
document_crumb=field,
... |
{'type': 'boolean'} | def _validate_readonly(self, readonly, field, value):
""" {'type': 'boolean'} """
if readonly:
if not self._is_normalized:
self._error(field, errors.READONLY_FIELD)
# If the document was normalized (and therefore already been
# checked for readonly fie... |
{'type': 'string'} | def _validate_regex(self, pattern, field, value):
""" {'type': 'string'} """
if not isinstance(value, _str_type):
return
if not pattern.endswith('$'):
pattern += '$'
re_obj = re.compile(pattern)
if not re_obj.match(value):
self._error(field, er... |
Validates that required fields are not missing.
:param document: The document being validated. | def __validate_required_fields(self, document):
""" Validates that required fields are not missing.
:param document: The document being validated.
"""
try:
required = set(field for field, definition in self.schema.items()
if self._resolve_rules_set... |
{'type': ['dict', 'string'],
'anyof': [{'validator': 'schema'},
{'validator': 'bulk_schema'}]} | def _validate_schema(self, schema, field, value):
""" {'type': ['dict', 'string'],
'anyof': [{'validator': 'schema'},
{'validator': 'bulk_schema'}]} """
if schema is None:
return
if isinstance(value, Sequence) and not isinstance(value, _str_type):... |
{'type': ['string', 'list'],
'validator': 'type'} | def _validate_type(self, data_type, field, value):
""" {'type': ['string', 'list'],
'validator': 'type'} """
if not data_type:
return
types = (data_type,) if isinstance(data_type, _str_type) else data_type
for _type in types:
# TODO remove this bloc... |
{'oneof': [
{'type': 'callable'},
{'type': 'list',
'schema': {'oneof': [{'type': 'callable'},
{'type': 'string'}]}},
{'type': 'string'}
]} | def _validate_validator(self, validator, field, value):
""" {'oneof': [
{'type': 'callable'},
{'type': 'list',
'schema': {'oneof': [{'type': 'callable'},
{'type': 'string'}]}},
{'type': 'string'}
... |
{'type': ['dict', 'string'], 'validator': 'bulk_schema',
'forbidden': ['rename', 'rename_handler']} | def _validate_valueschema(self, schema, field, value):
""" {'type': ['dict', 'string'], 'validator': 'bulk_schema',
'forbidden': ['rename', 'rename_handler']} """
schema_crumb = (field, 'valueschema')
if isinstance(value, Mapping):
validator = self._get_child_validator(
... |
Returns a callable that looks up the given attribute from a
passed object with the rules of the environment. Dots are allowed
to access attributes of attributes. Integer parts in paths are
looked up as integers. | def make_attrgetter(environment, attribute, postprocess=None):
"""Returns a callable that looks up the given attribute from a
passed object with the rules of the environment. Dots are allowed
to access attributes of attributes. Integer parts in paths are
looked up as integers.
"""
if attribute... |
Enforce HTML escaping. This will probably double escape variables. | def do_forceescape(value):
"""Enforce HTML escaping. This will probably double escape variables."""
if hasattr(value, '__html__'):
value = value.__html__()
return escape(text_type(value)) |
Escape strings for use in URLs (uses UTF-8 encoding). It accepts both
dictionaries and regular strings as well as pairwise iterables.
.. versionadded:: 2.7 | def do_urlencode(value):
"""Escape strings for use in URLs (uses UTF-8 encoding). It accepts both
dictionaries and regular strings as well as pairwise iterables.
.. versionadded:: 2.7
"""
itemiter = None
if isinstance(value, dict):
itemiter = iteritems(value)
elif not isinstance(va... |
Return a titlecased version of the value. I.e. words will start with
uppercase letters, all remaining characters are lowercase. | def do_title(s):
"""Return a titlecased version of the value. I.e. words will start with
uppercase letters, all remaining characters are lowercase.
"""
return ''.join(
[item[0].upper() + item[1:].lower()
for item in _word_beginning_split_re.split(soft_unicode(s))
if item]) |
Sort a dict and yield (key, value) pairs. Because python dicts are
unsorted you may want to use this function to order them by either
key or value:
.. sourcecode:: jinja
{% for item in mydict|dictsort %}
sort the dict by key, case insensitive
{% for item in mydict|dictsort(rev... | def do_dictsort(value, case_sensitive=False, by='key', reverse=False):
"""Sort a dict and yield (key, value) pairs. Because python dicts are
unsorted you may want to use this function to order them by either
key or value:
.. sourcecode:: jinja
{% for item in mydict|dictsort %}
sort... |
Sort an iterable. Per default it sorts ascending, if you pass it
true as first argument it will reverse the sorting.
If the iterable is made of strings the third parameter can be used to
control the case sensitiveness of the comparison which is disabled by
default.
.. sourcecode:: jinja
... | def do_sort(
environment, value, reverse=False, case_sensitive=False, attribute=None
):
"""Sort an iterable. Per default it sorts ascending, if you pass it
true as first argument it will reverse the sorting.
If the iterable is made of strings the third parameter can be used to
control the case sen... |
Returns a list of unique items from the the given iterable.
.. sourcecode:: jinja
{{ ['foo', 'bar', 'foobar', 'FooBar']|unique }}
-> ['foo', 'bar', 'foobar']
The unique items are yielded in the same order as their first occurrence in
the iterable passed to the filter.
:param case... | def do_unique(environment, value, case_sensitive=False, attribute=None):
"""Returns a list of unique items from the the given iterable.
.. sourcecode:: jinja
{{ ['foo', 'bar', 'foobar', 'FooBar']|unique }}
-> ['foo', 'bar', 'foobar']
The unique items are yielded in the same order as t... |
Return the smallest item from the sequence.
.. sourcecode:: jinja
{{ [1, 2, 3]|min }}
-> 1
:param case_sensitive: Treat upper and lower case strings as distinct.
:param attribute: Get the object with the max value of this attribute. | def do_min(environment, value, case_sensitive=False, attribute=None):
"""Return the smallest item from the sequence.
.. sourcecode:: jinja
{{ [1, 2, 3]|min }}
-> 1
:param case_sensitive: Treat upper and lower case strings as distinct.
:param attribute: Get the object with the max ... |
Return the largest item from the sequence.
.. sourcecode:: jinja
{{ [1, 2, 3]|max }}
-> 3
:param case_sensitive: Treat upper and lower case strings as distinct.
:param attribute: Get the object with the max value of this attribute. | def do_max(environment, value, case_sensitive=False, attribute=None):
"""Return the largest item from the sequence.
.. sourcecode:: jinja
{{ [1, 2, 3]|max }}
-> 3
:param case_sensitive: Treat upper and lower case strings as distinct.
:param attribute: Get the object with the max v... |
Return a string which is the concatenation of the strings in the
sequence. The separator between elements is an empty string per
default, you can define it with the optional parameter:
.. sourcecode:: jinja
{{ [1, 2, 3]|join('|') }}
-> 1|2|3
{{ [1, 2, 3]|join }}
->... | def do_join(eval_ctx, value, d=u'', attribute=None):
"""Return a string which is the concatenation of the strings in the
sequence. The separator between elements is an empty string per
default, you can define it with the optional parameter:
.. sourcecode:: jinja
{{ [1, 2, 3]|join('|') }}
... |
Return the last item of a sequence. | def do_last(environment, seq):
"""Return the last item of a sequence."""
try:
return next(iter(reversed(seq)))
except StopIteration:
return environment.undefined('No last item, sequence was empty.') |
Return a random item from the sequence. | def do_random(context, seq):
"""Return a random item from the sequence."""
try:
return random.choice(seq)
except IndexError:
return context.environment.undefined('No random item, sequence was empty.') |
Format the value like a 'human-readable' file size (i.e. 13 kB,
4.1 MB, 102 Bytes, etc). Per default decimal prefixes are used (Mega,
Giga, etc.), if the second parameter is set to `True` the binary
prefixes are used (Mebi, Gibi). | def do_filesizeformat(value, binary=False):
"""Format the value like a 'human-readable' file size (i.e. 13 kB,
4.1 MB, 102 Bytes, etc). Per default decimal prefixes are used (Mega,
Giga, etc.), if the second parameter is set to `True` the binary
prefixes are used (Mebi, Gibi).
"""
bytes = float... |
Converts URLs in plain text into clickable links.
If you pass the filter an additional integer it will shorten the urls
to that number. Also a third argument exists that makes the urls
"nofollow":
.. sourcecode:: jinja
{{ mytext|urlize(40, true) }}
links are shortened to 40 chars ... | def do_urlize(eval_ctx, value, trim_url_limit=None, nofollow=False,
target=None, rel=None):
"""Converts URLs in plain text into clickable links.
If you pass the filter an additional integer it will shorten the urls
to that number. Also a third argument exists that makes the urls
"nofollow... |
Return a copy of the string with each line indented by 4 spaces. The
first line and blank lines are not indented by default.
:param width: Number of spaces to indent by.
:param first: Don't skip indenting the first line.
:param blank: Don't skip indenting empty lines.
.. versionchanged:: 2.10
... | def do_indent(
s, width=4, first=False, blank=False, indentfirst=None
):
"""Return a copy of the string with each line indented by 4 spaces. The
first line and blank lines are not indented by default.
:param width: Number of spaces to indent by.
:param first: Don't skip indenting the first line.
... |
Return a truncated copy of the string. The length is specified
with the first parameter which defaults to ``255``. If the second
parameter is ``true`` the filter will cut the text at length. Otherwise
it will discard the last word. If the text was in fact
truncated it will append an ellipsis sign (``"..... | def do_truncate(env, s, length=255, killwords=False, end='...', leeway=None):
"""Return a truncated copy of the string. The length is specified
with the first parameter which defaults to ``255``. If the second
parameter is ``true`` the filter will cut the text at length. Otherwise
it will discard the la... |
Return a copy of the string passed to the filter wrapped after
``79`` characters. You can override this default using the first
parameter. If you set the second parameter to `false` Jinja will not
split words apart if they are longer than `width`. By default, the newlines
will be the default newlines ... | def do_wordwrap(environment, s, width=79, break_long_words=True,
wrapstring=None):
"""
Return a copy of the string passed to the filter wrapped after
``79`` characters. You can override this default using the first
parameter. If you set the second parameter to `false` Jinja will not
... |
Convert the value into an integer. If the
conversion doesn't work it will return ``0``. You can
override this default using the first parameter. You
can also override the default base (10) in the second
parameter, which handles input with prefixes such as
0b, 0o and 0x for bases 2, 8 and 16 respecti... | def do_int(value, default=0, base=10):
"""Convert the value into an integer. If the
conversion doesn't work it will return ``0``. You can
override this default using the first parameter. You
can also override the default base (10) in the second
parameter, which handles input with prefixes such as
... |
Apply python string formatting on an object:
.. sourcecode:: jinja
{{ "%s - %s"|format("Hello?", "Foo!") }}
-> Hello? - Foo! | def do_format(value, *args, **kwargs):
"""
Apply python string formatting on an object:
.. sourcecode:: jinja
{{ "%s - %s"|format("Hello?", "Foo!") }}
-> Hello? - Foo!
"""
if args and kwargs:
raise FilterArgumentError('can\'t handle positional and keyword '
... |
Strip SGML/XML tags and replace adjacent whitespace by one space. | def do_striptags(value):
"""Strip SGML/XML tags and replace adjacent whitespace by one space.
"""
if hasattr(value, '__html__'):
value = value.__html__()
return Markup(text_type(value)).striptags() |
Slice an iterator and return a list of lists containing
those items. Useful if you want to create a div containing
three ul tags that represent columns:
.. sourcecode:: html+jinja
<div class="columwrapper">
{%- for column in items|slice(3) %}
<ul class="column-{{ loop.index }... | def do_slice(value, slices, fill_with=None):
"""Slice an iterator and return a list of lists containing
those items. Useful if you want to create a div containing
three ul tags that represent columns:
.. sourcecode:: html+jinja
<div class="columwrapper">
{%- for column in items|slice... |
A filter that batches items. It works pretty much like `slice`
just the other way round. It returns a list of lists with the
given number of items. If you provide a second parameter this
is used to fill up missing items. See this example:
.. sourcecode:: html+jinja
<table>
{%- for row ... | def do_batch(value, linecount, fill_with=None):
"""
A filter that batches items. It works pretty much like `slice`
just the other way round. It returns a list of lists with the
given number of items. If you provide a second parameter this
is used to fill up missing items. See this example:
.. s... |
Round the number to a given precision. The first
parameter specifies the precision (default is ``0``), the
second the rounding method:
- ``'common'`` rounds either up or down
- ``'ceil'`` always rounds up
- ``'floor'`` always rounds down
If you don't specify a method ``'common'`` is used.
... | def do_round(value, precision=0, method='common'):
"""Round the number to a given precision. The first
parameter specifies the precision (default is ``0``), the
second the rounding method:
- ``'common'`` rounds either up or down
- ``'ceil'`` always rounds up
- ``'floor'`` always rounds down
... |
Group a sequence of objects by a common attribute.
If you for example have a list of dicts or objects that represent persons
with `gender`, `first_name` and `last_name` attributes and you want to
group all users by genders you can do something like the following
snippet:
.. sourcecode:: html+jinja... | def do_groupby(environment, value, attribute):
"""Group a sequence of objects by a common attribute.
If you for example have a list of dicts or objects that represent persons
with `gender`, `first_name` and `last_name` attributes and you want to
group all users by genders you can do something like the ... |
Returns the sum of a sequence of numbers plus the value of parameter
'start' (which defaults to 0). When the sequence is empty it returns
start.
It is also possible to sum up only certain attributes:
.. sourcecode:: jinja
Total: {{ items|sum(attribute='price') }}
.. versionchanged:: 2.6... | def do_sum(environment, iterable, attribute=None, start=0):
"""Returns the sum of a sequence of numbers plus the value of parameter
'start' (which defaults to 0). When the sequence is empty it returns
start.
It is also possible to sum up only certain attributes:
.. sourcecode:: jinja
Tot... |
Reverse the object or return an iterator that iterates over it the other
way round. | def do_reverse(value):
"""Reverse the object or return an iterator that iterates over it the other
way round.
"""
if isinstance(value, string_types):
return value[::-1]
try:
return reversed(value)
except TypeError:
try:
rv = list(value)
rv.reverse(... |
Get an attribute of an object. ``foo|attr("bar")`` works like
``foo.bar`` just that always an attribute is returned and items are not
looked up.
See :ref:`Notes on subscriptions <notes-on-subscriptions>` for more details. | def do_attr(environment, obj, name):
"""Get an attribute of an object. ``foo|attr("bar")`` works like
``foo.bar`` just that always an attribute is returned and items are not
looked up.
See :ref:`Notes on subscriptions <notes-on-subscriptions>` for more details.
"""
try:
name = str(name... |
Applies a filter on a sequence of objects or looks up an attribute.
This is useful when dealing with lists of objects but you are really
only interested in a certain value of it.
The basic usage is mapping on an attribute. Imagine you have a list
of users but you are only interested in a list of usern... | def do_map(*args, **kwargs):
"""Applies a filter on a sequence of objects or looks up an attribute.
This is useful when dealing with lists of objects but you are really
only interested in a certain value of it.
The basic usage is mapping on an attribute. Imagine you have a list
of users but you ar... |
Dumps a structure to JSON so that it's safe to use in ``<script>``
tags. It accepts the same arguments and returns a JSON string. Note that
this is available in templates through the ``|tojson`` filter which will
also mark the result as safe. Due to how this function escapes certain
characters this i... | def do_tojson(eval_ctx, value, indent=None):
"""Dumps a structure to JSON so that it's safe to use in ``<script>``
tags. It accepts the same arguments and returns a JSON string. Note that
this is available in templates through the ``|tojson`` filter which will
also mark the result as safe. Due to how... |
Entry Point for completion of main and subcommand options. | def autocomplete():
"""Entry Point for completion of main and subcommand options.
"""
# Don't complete if user hasn't sourced bash_completion file.
if 'PIP_AUTO_COMPLETE' not in os.environ:
return
cwords = os.environ['COMP_WORDS'].split()[1:]
cword = int(os.environ['COMP_CWORD'])
try... |
Get the type of path completion (``file``, ``dir``, ``path`` or None)
:param cwords: same as the environmental variable ``COMP_WORDS``
:param cword: same as the environmental variable ``COMP_CWORD``
:param opts: The available options to check
:return: path completion type (``file``, ``dir``, ``path`` o... | def get_path_completion_type(cwords, cword, opts):
"""Get the type of path completion (``file``, ``dir``, ``path`` or None)
:param cwords: same as the environmental variable ``COMP_WORDS``
:param cword: same as the environmental variable ``COMP_CWORD``
:param opts: The available options to check
:r... |
If ``completion_type`` is ``file`` or ``path``, list all regular files
and directories starting with ``current``; otherwise only list directories
starting with ``current``.
:param current: The word to be completed
:param completion_type: path completion type(`file`, `path` or `dir`)i
:return: A gen... | def auto_complete_paths(current, completion_type):
"""If ``completion_type`` is ``file`` or ``path``, list all regular files
and directories starting with ``current``; otherwise only list directories
starting with ``current``.
:param current: The word to be completed
:param completion_type: path co... |
Build a wheel.
* ireq: The InstallRequirement object to build
* output_dir: The directory to build the wheel in.
* finder: pip's internal Finder object to find the source out of ireq.
* kwargs: Various keyword arguments from `_prepare_wheel_building_kwargs`. | def _build_wheel_modern(ireq, output_dir, finder, wheel_cache, kwargs):
"""Build a wheel.
* ireq: The InstallRequirement object to build
* output_dir: The directory to build the wheel in.
* finder: pip's internal Finder object to find the source out of ireq.
* kwargs: Various keyword arguments from... |
Get python version string using subprocess from a given path. | def get_python_version(path):
# type: (str) -> str
"""Get python version string using subprocess from a given path."""
version_cmd = [path, "-c", "import sys; print(sys.version.split()[0])"]
try:
c = vistir.misc.run(
version_cmd,
block=True,
nospin=True,
... |
Returns whether a given path is a known executable from known executable extensions
or has the executable bit toggled.
:param path: The path to the target executable.
:type path: :class:`~vistir.compat.Path`
:return: True if the path has chmod +x, or is a readable, known executable extension.
:rtyp... | def path_is_known_executable(path):
# type: (vistir.compat.Path) -> bool
"""
Returns whether a given path is a known executable from known executable extensions
or has the executable bit toggled.
:param path: The path to the target executable.
:type path: :class:`~vistir.compat.Path`
:retur... |
Determine whether the supplied filename looks like a possible name of python.
:param str name: The name of the provided file.
:return: Whether the provided name looks like python.
:rtype: bool | def looks_like_python(name):
# type: (str) -> bool
"""
Determine whether the supplied filename looks like a possible name of python.
:param str name: The name of the provided file.
:return: Whether the provided name looks like python.
:rtype: bool
"""
if not any(name.lower().startswith... |
Given a path (either a string or a Path object), expand variables and return a Path object.
:param path: A string or a :class:`~pathlib.Path` object.
:type path: str or :class:`~pathlib.Path`
:return: A fully expanded Path object.
:rtype: :class:`~pathlib.Path` | def ensure_path(path):
# type: (Union[vistir.compat.Path, str]) -> vistir.compat.Path
"""
Given a path (either a string or a Path object), expand variables and return a Path object.
:param path: A string or a :class:`~pathlib.Path` object.
:type path: str or :class:`~pathlib.Path`
:return: A fu... |
Return all valid pythons in a given path | def filter_pythons(path):
# type: (Union[str, vistir.compat.Path]) -> Iterable
"""Return all valid pythons in a given path"""
if not isinstance(path, vistir.compat.Path):
path = vistir.compat.Path(str(path))
if not path.is_dir():
return path if path_is_python(path) else None
return f... |
Recursively expand a list or :class:`~pythonfinder.models.path.PathEntry` instance
:param Union[Sequence, PathEntry] path: The path or list of paths to expand
:param bool only_python: Whether to filter to include only python paths, default True
:returns: An iterator over the expanded set of path entries
... | def expand_paths(path, only_python=True):
# type: (Union[Sequence, PathEntry], bool) -> Iterator
"""
Recursively expand a list or :class:`~pythonfinder.models.path.PathEntry` instance
:param Union[Sequence, PathEntry] path: The path or list of paths to expand
:param bool only_python: Whether to fil... |
Get parts of part that must be os.path.joined with cache_dir | def _get_cache_path_parts(self, link):
# type: (Link) -> List[str]
"""Get parts of part that must be os.path.joined with cache_dir
"""
# We want to generate an url to use as our cache key, we don't want to
# just re-use the URL because it might have other items in the fragment
... |
Return a directory to store cached wheels for link
Because there are M wheels for any one sdist, we provide a directory
to cache them in, and then consult that directory when looking up
cache hits.
We only insert things into the cache if they have plausible version
numbers, so ... | def get_path_for_link(self, link):
# type: (Link) -> str
"""Return a directory to store cached wheels for link
Because there are M wheels for any one sdist, we provide a directory
to cache them in, and then consult that directory when looking up
cache hits.
We only inse... |
Determines if this points to an actual artifact (e.g. a tarball) or if
it points to an "abstract" thing like a path or a VCS location. | def is_artifact(self):
# type: () -> bool
"""
Determines if this points to an actual artifact (e.g. a tarball) or if
it points to an "abstract" thing like a path or a VCS location.
"""
from pipenv.patched.notpip._internal.vcs import vcs
if self.scheme in vcs.all_... |
Retrieves dependencies for the requirement from the dependency cache. | def _get_dependencies_from_cache(ireq):
"""Retrieves dependencies for the requirement from the dependency cache.
"""
if os.environ.get("PASSA_IGNORE_LOCAL_CACHE"):
return
if ireq.editable:
return
try:
deps = DEPENDENCY_CACHE[ireq]
pyrq = REQUIRES_PYTHON_CACHE[ireq]
... |
Retrieves dependencies for the install requirement from the JSON API.
:param ireq: A single InstallRequirement
:type ireq: :class:`~pip._internal.req.req_install.InstallRequirement`
:return: A set of dependency lines for generating new InstallRequirements.
:rtype: set(str) or None | def _get_dependencies_from_json(ireq, sources):
"""Retrieves dependencies for the install requirement from the JSON API.
:param ireq: A single InstallRequirement
:type ireq: :class:`~pip._internal.req.req_install.InstallRequirement`
:return: A set of dependency lines for generating new InstallRequireme... |
Read wheel metadata to know what it depends on.
The `run_requires` attribute contains a list of dict or str specifying
requirements. For dicts, it may contain an "extra" key to specify these
requirements are for a specific extra. Unfortunately, not all fields are
specificed like this (I don't know why)... | def _read_requirements(metadata, extras):
"""Read wheel metadata to know what it depends on.
The `run_requires` attribute contains a list of dict or str specifying
requirements. For dicts, it may contain an "extra" key to specify these
requirements are for a specific extra. Unfortunately, not all field... |
Read wheel metadata to know the value of Requires-Python.
This is surprisingly poorly supported in Distlib. This function tries
several ways to get this information:
* Metadata 2.0: metadata.dictionary.get("requires_python") is not None
* Metadata 2.1: metadata._legacy.get("Requires-Python") is not No... | def _read_requires_python(metadata):
"""Read wheel metadata to know the value of Requires-Python.
This is surprisingly poorly supported in Distlib. This function tries
several ways to get this information:
* Metadata 2.0: metadata.dictionary.get("requires_python") is not None
* Metadata 2.1: metad... |
Retrieves dependencies for the requirement from pipenv.patched.notpip internals.
The current strategy is to try the followings in order, returning the
first successful result.
1. Try to build a wheel out of the ireq, and read metadata out of it.
2. Read metadata out of the egg-info directory if it is ... | def _get_dependencies_from_pip(ireq, sources):
"""Retrieves dependencies for the requirement from pipenv.patched.notpip internals.
The current strategy is to try the followings in order, returning the
first successful result.
1. Try to build a wheel out of the ireq, and read metadata out of it.
2.... |
Get all dependencies for a given install requirement.
:param requirement: A requirement
:param sources: Pipfile-formatted sources
:type sources: list[dict] | def get_dependencies(requirement, sources):
"""Get all dependencies for a given install requirement.
:param requirement: A requirement
:param sources: Pipfile-formatted sources
:type sources: list[dict]
"""
getters = [
_get_dependencies_from_cache,
_cached(_get_dependencies_from... |
Helper function to format and quote a single header parameter.
Particularly useful for header parameters which might contain
non-ASCII values, like file names. This follows RFC 2231, as
suggested by RFC 2388 Section 4.4.
:param name:
The name of the parameter, a string expected to be ASCII onl... | def format_header_param(name, value):
"""
Helper function to format and quote a single header parameter.
Particularly useful for header parameters which might contain
non-ASCII values, like file names. This follows RFC 2231, as
suggested by RFC 2388 Section 4.4.
:param name:
The name o... |
A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters.
Supports constructing :class:`~urllib3.fields.RequestField` from
parameter of key/value strings AND key/filetuple. A filetuple is a
(filename, data, MIME type) tuple where the MIME type is optional.
For exa... | def from_tuples(cls, fieldname, value):
"""
A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters.
Supports constructing :class:`~urllib3.fields.RequestField` from
parameter of key/value strings AND key/filetuple. A filetuple is a
(filename, data, MIME ... |
Helper function to format and quote a single header.
Useful for single headers that are composed of multiple items. E.g.,
'Content-Disposition' fields.
:param header_parts:
A sequence of (k, v) tuples or a :class:`dict` of (k, v) to format
as `k1="v1"; k2="v2"; ...`. | def _render_parts(self, header_parts):
"""
Helper function to format and quote a single header.
Useful for single headers that are composed of multiple items. E.g.,
'Content-Disposition' fields.
:param header_parts:
A sequence of (k, v) tuples or a :class:`dict` of ... |
Renders the headers for this request field. | def render_headers(self):
"""
Renders the headers for this request field.
"""
lines = []
sort_keys = ['Content-Disposition', 'Content-Type', 'Content-Location']
for sort_key in sort_keys:
if self.headers.get(sort_key, False):
lines.append('%s:... |
Makes this request field into a multipart request field.
This method overrides "Content-Disposition", "Content-Type" and
"Content-Location" headers to the request parameter.
:param content_type:
The 'Content-Type' of the request body.
:param content_location:
Th... | def make_multipart(self, content_disposition=None, content_type=None,
content_location=None):
"""
Makes this request field into a multipart request field.
This method overrides "Content-Disposition", "Content-Type" and
"Content-Location" headers to the request par... |
Generates an EmptyTag token
:arg namespace: the namespace of the token--can be ``None``
:arg name: the name of the element
:arg attrs: the attributes of the element as a dict
:arg hasChildren: whether or not to yield a SerializationError because
this tag shouldn't have ch... | def emptyTag(self, namespace, name, attrs, hasChildren=False):
"""Generates an EmptyTag token
:arg namespace: the namespace of the token--can be ``None``
:arg name: the name of the element
:arg attrs: the attributes of the element as a dict
:arg hasChildren: whether or not to... |
Returns the string to activate a virtualenv.
This is POSIX-only at the moment since the compat (pexpect-based) shell
does not work elsewhere anyway. | def _get_activate_script(cmd, venv):
"""Returns the string to activate a virtualenv.
This is POSIX-only at the moment since the compat (pexpect-based) shell
does not work elsewhere anyway.
"""
# Suffix and source command for other shells.
# Support for fish shell.
if "fish" in cmd:
... |
Generates SpaceCharacters and Characters tokens
Depending on what's in the data, this generates one or more
``SpaceCharacters`` and ``Characters`` tokens.
For example:
>>> from html5lib.treewalkers.base import TreeWalker
>>> # Give it an empty tree just so it instantia... | def text(self, data):
"""Generates SpaceCharacters and Characters tokens
Depending on what's in the data, this generates one or more
``SpaceCharacters`` and ``Characters`` tokens.
For example:
>>> from html5lib.treewalkers.base import TreeWalker
>>> # Give it a... |
Build and return a filename from the various components. | def filename(self):
"""
Build and return a filename from the various components.
"""
if self.buildver:
buildver = '-' + self.buildver
else:
buildver = ''
pyver = '.'.join(self.pyver)
abi = '.'.join(self.abi)
arch = '.'.join(self.arc... |
Build a wheel from files in specified paths, and use any specified tags
when determining the name of the wheel. | def build(self, paths, tags=None, wheel_version=None):
"""
Build a wheel from files in specified paths, and use any specified tags
when determining the name of the wheel.
"""
if tags is None:
tags = {}
libkey = list(filter(lambda o: o in paths, ('purelib', 'p... |
Install a wheel to the specified paths. If kwarg ``warner`` is
specified, it should be a callable, which will be called with two
tuples indicating the wheel version of this software and the wheel
version in the file, if there is a discrepancy in the versions.
This can be used to issue an... | def install(self, paths, maker, **kwargs):
"""
Install a wheel to the specified paths. If kwarg ``warner`` is
specified, it should be a callable, which will be called with two
tuples indicating the wheel version of this software and the wheel
version in the file, if there is a di... |
Update the contents of a wheel in a generic way. The modifier should
be a callable which expects a dictionary argument: its keys are
archive-entry paths, and its values are absolute filesystem paths
where the contents the corresponding archive entries can be found. The
modifier is free t... | def update(self, modifier, dest_dir=None, **kwargs):
"""
Update the contents of a wheel in a generic way. The modifier should
be a callable which expects a dictionary argument: its keys are
archive-entry paths, and its values are absolute filesystem paths
where the contents the c... |
Loads .env file into sys.environ. | def load_dot_env():
"""Loads .env file into sys.environ."""
if not environments.PIPENV_DONT_LOAD_ENV:
# If the project doesn't exist yet, check current directory for a .env file
project_directory = project.project_directory or "."
dotenv_file = environments.PIPENV_DOTENV_LOCATION or os.s... |
Adds a given path to the PATH. | def add_to_path(p):
"""Adds a given path to the PATH."""
if p not in os.environ["PATH"]:
os.environ["PATH"] = "{0}{1}{2}".format(p, os.pathsep, os.environ["PATH"]) |
Removes the virtualenv directory from the system. | def cleanup_virtualenv(bare=True):
"""Removes the virtualenv directory from the system."""
if not bare:
click.echo(crayons.red("Environment creation aborted."))
try:
# Delete the virtualenv.
vistir.path.rmtree(project.virtualenv_location)
except OSError as e:
click.echo(
... |
Creates a Pipfile for the project, if it doesn't exist. | def ensure_pipfile(validate=True, skip_requirements=False, system=False):
"""Creates a Pipfile for the project, if it doesn't exist."""
from .environments import PIPENV_VIRTUALENV
# Assert Pipfile exists.
python = which("python") if not (USING_DEFAULT_PYTHON or system) else None
if project.pipfile_... |
Find a Python installation from a given line.
This tries to parse the line in various of ways:
* Looks like an absolute path? Use it directly.
* Looks like a py.exe call? Use py.exe to get the executable.
* Starts with "py" something? Looks like a python command. Try to find it
in PATH, and use ... | def find_a_system_python(line):
"""Find a Python installation from a given line.
This tries to parse the line in various of ways:
* Looks like an absolute path? Use it directly.
* Looks like a py.exe call? Use py.exe to get the executable.
* Starts with "py" something? Looks like a python command.... |
Creates a virtualenv, if one doesn't exist. | def ensure_virtualenv(three=None, python=None, site_packages=False, pypi_mirror=None):
"""Creates a virtualenv, if one doesn't exist."""
from .environments import PIPENV_USE_SYSTEM
def abort():
sys.exit(1)
global USING_DEFAULT_PYTHON
if not project.virtualenv_exists:
try:
... |
Ensures both Pipfile and virtualenv exist for the project. | def ensure_project(
three=None,
python=None,
validate=True,
system=False,
warn=True,
site_packages=False,
deploy=False,
skip_requirements=False,
pypi_mirror=None,
clear=False,
):
"""Ensures both Pipfile and virtualenv exist for the project."""
from .environments import PI... |
Returns a visually shorter representation of a given system path. | def shorten_path(location, bold=False):
"""Returns a visually shorter representation of a given system path."""
original = location
short = os.sep.join(
[s[0] if len(s) > (len("2long4")) else s for s in location.split(os.sep)]
)
short = short.split(os.sep)
short[-1] = original.split(os.s... |
Executes the where functionality. | def do_where(virtualenv=False, bare=True):
"""Executes the where functionality."""
if not virtualenv:
if not project.pipfile_exists:
click.echo(
"No Pipfile present at project home. Consider running "
"{0} first to automatically generate a Pipfile for you."
... |
Executes the install functionality.
If requirements is True, simply spits out a requirements format to stdout. | def do_install_dependencies(
dev=False,
only=False,
bare=False,
requirements=False,
allow_global=False,
ignore_hashes=False,
skip_lock=False,
concurrent=True,
requirements_dir=None,
pypi_mirror=False,
):
""""
Executes the install functionality.
If requirements is Tru... |
Creates a virtualenv. | def do_create_virtualenv(python=None, site_packages=False, pypi_mirror=None):
"""Creates a virtualenv."""
click.echo(
crayons.normal(fix_utf8("Creating a virtualenv for this project…"), bold=True), err=True
)
click.echo(
u"Pipfile: {0}".format(crayons.red(project.pipfile_location, bold=... |
Executes the freeze functionality. | def do_lock(
ctx=None,
system=False,
clear=False,
pre=False,
keep_outdated=False,
write=True,
pypi_mirror=None,
):
"""Executes the freeze functionality."""
cached_lockfile = {}
if not pre:
pre = project.settings.get("allow_prereleases")
if keep_outdated:
if n... |
Executes the purge functionality. | def do_purge(bare=False, downloads=False, allow_global=False):
"""Executes the purge functionality."""
if downloads:
if not bare:
click.echo(crayons.normal(fix_utf8("Clearing out downloads directory…"), bold=True))
vistir.path.rmtree(project.download_location)
return
# ... |
Executes the init functionality. | def do_init(
dev=False,
requirements=False,
allow_global=False,
ignore_pipfile=False,
skip_lock=False,
system=False,
concurrent=True,
deploy=False,
pre=False,
keep_outdated=False,
requirements_dir=None,
pypi_mirror=None,
):
"""Executes the init functionality."""
f... |
A fallback implementation of the `which` utility command that relies exclusively on
searching the path for commands.
:param str command: The command to search for, optional
:param str location: The search location to prioritize (prepend to path), defaults to None
:param bool allow_global: Whether to se... | def fallback_which(command, location=None, allow_global=False, system=False):
"""
A fallback implementation of the `which` utility command that relies exclusively on
searching the path for commands.
:param str command: The command to search for, optional
:param str location: The search location to ... |
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