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author | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:24:06 +0300 |
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committer | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:41:34 +0300 |
commit | e0e3e1717e3d33762ce61950504f9637a6e669ed (patch) | |
tree | bca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/python/importlib-metadata | |
parent | 38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff) | |
download | ydb-e0e3e1717e3d33762ce61950504f9637a6e669ed.tar.gz |
add ydb deps
Diffstat (limited to 'contrib/python/importlib-metadata')
23 files changed, 3157 insertions, 0 deletions
diff --git a/contrib/python/importlib-metadata/py2/.dist-info/METADATA b/contrib/python/importlib-metadata/py2/.dist-info/METADATA new file mode 100644 index 00000000000..0f8c43f45f0 --- /dev/null +++ b/contrib/python/importlib-metadata/py2/.dist-info/METADATA @@ -0,0 +1,73 @@ +Metadata-Version: 2.1 +Name: importlib-metadata +Version: 2.1.3 +Summary: Read metadata from Python packages +Home-page: http://importlib-metadata.readthedocs.io/ +Author: Jason R. Coombs +Author-email: jaraco@jaraco.com +License: Apache Software License +Platform: UNKNOWN +Classifier: Development Status :: 3 - Alpha +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Topic :: Software Development :: Libraries +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 2 +Requires-Python: !=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7 +License-File: LICENSE +Requires-Dist: pathlib2 ; python_version < "3" +Requires-Dist: contextlib2 ; python_version < "3" +Requires-Dist: configparser (>=3.5) ; python_version < "3" +Provides-Extra: docs +Requires-Dist: sphinx ; extra == 'docs' +Requires-Dist: rst.linker ; extra == 'docs' +Provides-Extra: testing +Requires-Dist: packaging ; extra == 'testing' +Requires-Dist: pep517 ; extra == 'testing' +Requires-Dist: unittest2 ; (python_version < "3") and extra == 'testing' +Requires-Dist: importlib-resources (>=1.3) ; (python_version < "3.9") and extra == 'testing' + +========================= + ``importlib_metadata`` +========================= + +``importlib_metadata`` is a library to access the metadata for a +Python package. + +As of Python 3.8, this functionality has been added to the +`Python standard library +<https://docs.python.org/3/library/importlib.metadata.html>`_. +This package supplies backports of that functionality including +improvements added to subsequent Python versions. + + +Usage +===== + +See the `online documentation <https://importlib_metadata.readthedocs.io/>`_ +for usage details. + +`Finder authors +<https://docs.python.org/3/reference/import.html#finders-and-loaders>`_ can +also add support for custom package installers. See the above documentation +for details. + + +Caveats +======= + +This project primarily supports third-party packages installed by PyPA +tools (or other conforming packages). It does not support: + +- Packages in the stdlib. +- Packages installed without metadata. + +Project details +=============== + + * Project home: https://github.com/python/importlib_metadata + * Report bugs at: https://github.com/python/importlib_metadata/issues + * Code hosting: https://github.com/python/importlib_metadata + * Documentation: https://importlib_metadata.readthedocs.io/ + + diff --git a/contrib/python/importlib-metadata/py2/.dist-info/top_level.txt b/contrib/python/importlib-metadata/py2/.dist-info/top_level.txt new file mode 100644 index 00000000000..bbb07547a19 --- /dev/null +++ b/contrib/python/importlib-metadata/py2/.dist-info/top_level.txt @@ -0,0 +1 @@ +importlib_metadata diff --git a/contrib/python/importlib-metadata/py2/LICENSE b/contrib/python/importlib-metadata/py2/LICENSE new file mode 100644 index 00000000000..be7e092b0b0 --- /dev/null +++ b/contrib/python/importlib-metadata/py2/LICENSE @@ -0,0 +1,13 @@ +Copyright 2017-2019 Jason R. Coombs, Barry Warsaw + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/contrib/python/importlib-metadata/py2/README.rst b/contrib/python/importlib-metadata/py2/README.rst new file mode 100644 index 00000000000..5655d9ab987 --- /dev/null +++ b/contrib/python/importlib-metadata/py2/README.rst @@ -0,0 +1,42 @@ +========================= + ``importlib_metadata`` +========================= + +``importlib_metadata`` is a library to access the metadata for a +Python package. + +As of Python 3.8, this functionality has been added to the +`Python standard library +<https://docs.python.org/3/library/importlib.metadata.html>`_. +This package supplies backports of that functionality including +improvements added to subsequent Python versions. + + +Usage +===== + +See the `online documentation <https://importlib_metadata.readthedocs.io/>`_ +for usage details. + +`Finder authors +<https://docs.python.org/3/reference/import.html#finders-and-loaders>`_ can +also add support for custom package installers. See the above documentation +for details. + + +Caveats +======= + +This project primarily supports third-party packages installed by PyPA +tools (or other conforming packages). It does not support: + +- Packages in the stdlib. +- Packages installed without metadata. + +Project details +=============== + + * Project home: https://github.com/python/importlib_metadata + * Report bugs at: https://github.com/python/importlib_metadata/issues + * Code hosting: https://github.com/python/importlib_metadata + * Documentation: https://importlib_metadata.readthedocs.io/ diff --git a/contrib/python/importlib-metadata/py2/importlib_metadata/__init__.py b/contrib/python/importlib-metadata/py2/importlib_metadata/__init__.py new file mode 100644 index 00000000000..05b07485b1f --- /dev/null +++ b/contrib/python/importlib-metadata/py2/importlib_metadata/__init__.py @@ -0,0 +1,705 @@ +from __future__ import unicode_literals, absolute_import + +import io +import os +import re +import abc +import csv +import sys +import operator +import functools +import itertools +import posixpath +import collections + +from ._compat import ( + install, + NullFinder, + ConfigParser, + suppress, + map, + FileNotFoundError, + IsADirectoryError, + NotADirectoryError, + PermissionError, + pathlib, + ModuleNotFoundError, + MetaPathFinder, + email_message_from_string, + PyPy_repr, + unique_ordered, + str, + ) +from importlib import import_module +from itertools import starmap + +try: + import library.python.resource + ARCADIA = True +except ImportError: + ARCADIA = False + +__metaclass__ = type + + +__all__ = [ + 'Distribution', + 'DistributionFinder', + 'PackageNotFoundError', + 'distribution', + 'distributions', + 'entry_points', + 'files', + 'metadata', + 'requires', + 'version', + ] + + +class PackageNotFoundError(ModuleNotFoundError): + """The package was not found.""" + + def __str__(self): + tmpl = "No package metadata was found for {self.name}" + return tmpl.format(**locals()) + + @property + def name(self): + name, = self.args + return name + + +class EntryPoint( + PyPy_repr, + collections.namedtuple('EntryPointBase', 'name value group')): + """An entry point as defined by Python packaging conventions. + + See `the packaging docs on entry points + <https://packaging.python.org/specifications/entry-points/>`_ + for more information. + """ + + pattern = re.compile( + r'(?P<module>[\w.]+)\s*' + r'(:\s*(?P<attr>[\w.]+)\s*)?' + r'((?P<extras>\[.*\])\s*)?$' + ) + """ + A regular expression describing the syntax for an entry point, + which might look like: + + - module + - package.module + - package.module:attribute + - package.module:object.attribute + - package.module:attr [extra1, extra2] + + Other combinations are possible as well. + + The expression is lenient about whitespace around the ':', + following the attr, and following any extras. + """ + + def load(self): + """Load the entry point from its definition. If only a module + is indicated by the value, return that module. Otherwise, + return the named object. + """ + match = self.pattern.match(self.value) + module = import_module(match.group('module')) + attrs = filter(None, (match.group('attr') or '').split('.')) + return functools.reduce(getattr, attrs, module) + + @property + def module(self): + match = self.pattern.match(self.value) + return match.group('module') + + @property + def attr(self): + match = self.pattern.match(self.value) + return match.group('attr') + + @property + def extras(self): + match = self.pattern.match(self.value) + return list(re.finditer(r'\w+', match.group('extras') or '')) + + @classmethod + def _from_config(cls, config): + return [ + cls(name, value, group) + for group in config.sections() + for name, value in config.items(group) + ] + + @classmethod + def _from_text(cls, text): + config = ConfigParser(delimiters='=') + # case sensitive: https://stackoverflow.com/q/1611799/812183 + config.optionxform = str + try: + config.read_string(text) + except AttributeError: # pragma: nocover + # Python 2 has no read_string + config.readfp(io.StringIO(text)) + return EntryPoint._from_config(config) + + def __iter__(self): + """ + Supply iter so one may construct dicts of EntryPoints easily. + """ + return iter((self.name, self)) + + def __reduce__(self): + return ( + self.__class__, + (self.name, self.value, self.group), + ) + + +class PackagePath(pathlib.PurePosixPath): + """A reference to a path in a package""" + + def read_text(self, encoding='utf-8'): + with self.locate().open(encoding=encoding) as stream: + return stream.read() + + def read_binary(self): + with self.locate().open('rb') as stream: + return stream.read() + + def locate(self): + """Return a path-like object for this path""" + return self.dist.locate_file(self) + + +class FileHash: + def __init__(self, spec): + self.mode, _, self.value = spec.partition('=') + + def __repr__(self): + return '<FileHash mode: {} value: {}>'.format(self.mode, self.value) + + +class Distribution: + """A Python distribution package.""" + + @abc.abstractmethod + def read_text(self, filename): + """Attempt to load metadata file given by the name. + + :param filename: The name of the file in the distribution info. + :return: The text if found, otherwise None. + """ + + @abc.abstractmethod + def locate_file(self, path): + """ + Given a path to a file in this distribution, return a path + to it. + """ + + @classmethod + def from_name(cls, name): + """Return the Distribution for the given package name. + + :param name: The name of the distribution package to search for. + :return: The Distribution instance (or subclass thereof) for the named + package, if found. + :raises PackageNotFoundError: When the named package's distribution + metadata cannot be found. + """ + for resolver in cls._discover_resolvers(): + dists = resolver(DistributionFinder.Context(name=name)) + dist = next(iter(dists), None) + if dist is not None: + return dist + else: + raise PackageNotFoundError(name) + + @classmethod + def discover(cls, **kwargs): + """Return an iterable of Distribution objects for all packages. + + Pass a ``context`` or pass keyword arguments for constructing + a context. + + :context: A ``DistributionFinder.Context`` object. + :return: Iterable of Distribution objects for all packages. + """ + context = kwargs.pop('context', None) + if context and kwargs: + raise ValueError("cannot accept context and kwargs") + context = context or DistributionFinder.Context(**kwargs) + return itertools.chain.from_iterable( + resolver(context) + for resolver in cls._discover_resolvers() + ) + + @staticmethod + def at(path): + """Return a Distribution for the indicated metadata path + + :param path: a string or path-like object + :return: a concrete Distribution instance for the path + """ + return PathDistribution(pathlib.Path(path)) + + @staticmethod + def _discover_resolvers(): + """Search the meta_path for resolvers.""" + declared = ( + getattr(finder, 'find_distributions', None) + for finder in sys.meta_path + ) + return filter(None, declared) + + @classmethod + def _local(cls, root='.'): + from pep517 import build, meta + system = build.compat_system(root) + builder = functools.partial( + meta.build, + source_dir=root, + system=system, + ) + return PathDistribution(zipp.Path(meta.build_as_zip(builder))) + + @property + def metadata(self): + """Return the parsed metadata for this Distribution. + + The returned object will have keys that name the various bits of + metadata. See PEP 566 for details. + """ + text = ( + self.read_text('METADATA') + or self.read_text('PKG-INFO') + # This last clause is here to support old egg-info files. Its + # effect is to just end up using the PathDistribution's self._path + # (which points to the egg-info file) attribute unchanged. + or self.read_text('') + ) + return email_message_from_string(text) + + @property + def version(self): + """Return the 'Version' metadata for the distribution package.""" + return self.metadata['Version'] + + @property + def entry_points(self): + return EntryPoint._from_text(self.read_text('entry_points.txt')) + + @property + def files(self): + """Files in this distribution. + + :return: List of PackagePath for this distribution or None + + Result is `None` if the metadata file that enumerates files + (i.e. RECORD for dist-info or SOURCES.txt for egg-info) is + missing. + Result may be empty if the metadata exists but is empty. + """ + file_lines = self._read_files_distinfo() or self._read_files_egginfo() + + def make_file(name, hash=None, size_str=None): + result = PackagePath(name) + result.hash = FileHash(hash) if hash else None + result.size = int(size_str) if size_str else None + result.dist = self + return result + + return file_lines and list(starmap(make_file, csv.reader(file_lines))) + + def _read_files_distinfo(self): + """ + Read the lines of RECORD + """ + text = self.read_text('RECORD') + return text and text.splitlines() + + def _read_files_egginfo(self): + """ + SOURCES.txt might contain literal commas, so wrap each line + in quotes. + """ + text = self.read_text('SOURCES.txt') + return text and map('"{}"'.format, text.splitlines()) + + @property + def requires(self): + """Generated requirements specified for this Distribution""" + reqs = self._read_dist_info_reqs() or self._read_egg_info_reqs() + return reqs and list(reqs) + + def _read_dist_info_reqs(self): + return self.metadata.get_all('Requires-Dist') + + def _read_egg_info_reqs(self): + source = self.read_text('requires.txt') + return source and self._deps_from_requires_text(source) + + @classmethod + def _deps_from_requires_text(cls, source): + section_pairs = cls._read_sections(source.splitlines()) + sections = { + section: list(map(operator.itemgetter('line'), results)) + for section, results in + itertools.groupby(section_pairs, operator.itemgetter('section')) + } + return cls._convert_egg_info_reqs_to_simple_reqs(sections) + + @staticmethod + def _read_sections(lines): + section = None + for line in filter(None, lines): + section_match = re.match(r'\[(.*)\]$', line) + if section_match: + section = section_match.group(1) + continue + yield locals() + + @staticmethod + def _convert_egg_info_reqs_to_simple_reqs(sections): + """ + Historically, setuptools would solicit and store 'extra' + requirements, including those with environment markers, + in separate sections. More modern tools expect each + dependency to be defined separately, with any relevant + extras and environment markers attached directly to that + requirement. This method converts the former to the + latter. See _test_deps_from_requires_text for an example. + """ + def make_condition(name): + return name and 'extra == "{name}"'.format(name=name) + + def parse_condition(section): + section = section or '' + extra, sep, markers = section.partition(':') + if extra and markers: + markers = '({markers})'.format(markers=markers) + conditions = list(filter(None, [markers, make_condition(extra)])) + return '; ' + ' and '.join(conditions) if conditions else '' + + for section, deps in sections.items(): + for dep in deps: + yield dep + parse_condition(section) + + +class DistributionFinder(MetaPathFinder): + """ + A MetaPathFinder capable of discovering installed distributions. + """ + + class Context: + """ + Keyword arguments presented by the caller to + ``distributions()`` or ``Distribution.discover()`` + to narrow the scope of a search for distributions + in all DistributionFinders. + + Each DistributionFinder may expect any parameters + and should attempt to honor the canonical + parameters defined below when appropriate. + """ + + name = None + """ + Specific name for which a distribution finder should match. + A name of ``None`` matches all distributions. + """ + + def __init__(self, **kwargs): + vars(self).update(kwargs) + + @property + def path(self): + """ + The path that a distribution finder should search. + + Typically refers to Python package paths and defaults + to ``sys.path``. + """ + return vars(self).get('path', sys.path) + + @abc.abstractmethod + def find_distributions(self, context=Context()): + """ + Find distributions. + + Return an iterable of all Distribution instances capable of + loading the metadata for packages matching the ``context``, + a DistributionFinder.Context instance. + """ + + +class FastPath: + """ + Micro-optimized class for searching a path for + children. + """ + + def __init__(self, root): + self.root = str(root) + self.base = os.path.basename(self.root).lower() + + def joinpath(self, child): + return pathlib.Path(self.root, child) + + def children(self): + with suppress(Exception): + return os.listdir(self.root or '.') + with suppress(Exception): + return self.zip_children() + return [] + + def zip_children(self): + zip_path = zipp.Path(self.root) + names = zip_path.root.namelist() + self.joinpath = zip_path.joinpath + + return unique_ordered( + child.split(posixpath.sep, 1)[0] + for child in names + ) + + def search(self, name): + return ( + self.joinpath(child) + for child in self.children() + if name.matches(child, self.base) + ) + + +class Prepared: + """ + A prepared search for metadata on a possibly-named package. + """ + normalized = None + suffixes = '.dist-info', '.egg-info' + exact_matches = [''][:0] + + def __init__(self, name): + self.name = name + if name is None: + return + self.normalized = self.normalize(name) + self.exact_matches = [ + self.normalized + suffix for suffix in self.suffixes] + + @staticmethod + def normalize(name): + """ + PEP 503 normalization plus dashes as underscores. + """ + return re.sub(r"[-_.]+", "-", name).lower().replace('-', '_') + + @staticmethod + def legacy_normalize(name): + """ + Normalize the package name as found in the convention in + older packaging tools versions and specs. + """ + return name.lower().replace('-', '_') + + def matches(self, cand, base): + low = cand.lower() + pre, ext = os.path.splitext(low) + name, sep, rest = pre.partition('-') + return ( + low in self.exact_matches + or ext in self.suffixes and ( + not self.normalized or + name.replace('.', '_') == self.normalized + ) + # legacy case: + or self.is_egg(base) and low == 'egg-info' + ) + + def is_egg(self, base): + normalized = self.legacy_normalize(self.name or '') + prefix = normalized + '-' if normalized else '' + versionless_egg_name = normalized + '.egg' if self.name else '' + return ( + base == versionless_egg_name + or base.startswith(prefix) + and base.endswith('.egg')) + + +@install(ARCADIA == False) +class MetadataPathFinder(NullFinder, DistributionFinder): + """A degenerate finder for distribution packages on the file system. + + This finder supplies only a find_distributions() method for versions + of Python that do not have a PathFinder find_distributions(). + """ + + def find_distributions(self, context=DistributionFinder.Context()): + """ + Find distributions. + + Return an iterable of all Distribution instances capable of + loading the metadata for packages matching ``context.name`` + (or all names if ``None`` indicated) along the paths in the list + of directories ``context.path``. + """ + found = self._search_paths(context.name, context.path) + return map(PathDistribution, found) + + @classmethod + def _search_paths(cls, name, paths): + """Find metadata directories in paths heuristically.""" + return itertools.chain.from_iterable( + path.search(Prepared(name)) + for path in map(FastPath, paths) + ) + + +class PathDistribution(Distribution): + def __init__(self, path): + """Construct a distribution from a path to the metadata directory. + + :param path: A pathlib.Path or similar object supporting + .joinpath(), __div__, .parent, and .read_text(). + """ + self._path = path + + def read_text(self, filename): + with suppress(FileNotFoundError, IsADirectoryError, KeyError, + NotADirectoryError, PermissionError): + return self._path.joinpath(filename).read_text(encoding='utf-8') + read_text.__doc__ = Distribution.read_text.__doc__ + + def locate_file(self, path): + return self._path.parent / path + + +class ArcadiaDistribution(Distribution): + + def __init__(self, prefix): + self.prefix = prefix + + def read_text(self, filename): + from library.python.resource import resfs_read + data = resfs_read('{}{}'.format(self.prefix, filename)) + if data: + return data.decode('utf-8') + read_text.__doc__ = Distribution.read_text.__doc__ + + def locate_file(self, path): + return '{}{}'.format(self.prefix, path) + + +@install(ARCADIA == True) +class ArcadiaMetadataFinder(NullFinder, DistributionFinder): + + prefixes = {} + + @classmethod + def find_distributions(cls, context=DistributionFinder.Context()): + found = cls._search_prefixes(context.name) + return map(ArcadiaDistribution, found) + + @classmethod + def _init_prefixes(cls): + from library.python.resource import resfs_read, resfs_files + cls.prefixes.clear() + + METADATA_NAME = re.compile('^Name: (.*)$', re.MULTILINE) + + for resource in resfs_files(): + if not resource.endswith('METADATA'): + continue + data = resfs_read(resource).decode('utf-8') + metadata_name = METADATA_NAME.search(data) + if metadata_name: + metadata_name = Prepared(metadata_name.group(1)) + cls.prefixes[metadata_name.normalized] = resource[:-len('METADATA')] + + @classmethod + def _search_prefixes(cls, name): + if not cls.prefixes: + cls._init_prefixes() + + if name: + try: + yield cls.prefixes[Prepared(name).normalized] + except KeyError: + raise PackageNotFoundError(name) + else: + for prefix in sorted(cls.prefixes.values()): + yield prefix + + +def distribution(distribution_name): + """Get the ``Distribution`` instance for the named package. + + :param distribution_name: The name of the distribution package as a string. + :return: A ``Distribution`` instance (or subclass thereof). + """ + return Distribution.from_name(distribution_name) + + +def distributions(**kwargs): + """Get all ``Distribution`` instances in the current environment. + + :return: An iterable of ``Distribution`` instances. + """ + return Distribution.discover(**kwargs) + + +def metadata(distribution_name): + """Get the metadata for the named package. + + :param distribution_name: The name of the distribution package to query. + :return: An email.Message containing the parsed metadata. + """ + return Distribution.from_name(distribution_name).metadata + + +def version(distribution_name): + """Get the version string for the named package. + + :param distribution_name: The name of the distribution package to query. + :return: The version string for the package as defined in the package's + "Version" metadata key. + """ + return distribution(distribution_name).version + + +def entry_points(): + """Return EntryPoint objects for all installed packages. + + :return: EntryPoint objects for all installed packages. + """ + eps = itertools.chain.from_iterable( + dist.entry_points for dist in distributions()) + by_group = operator.attrgetter('group') + ordered = sorted(eps, key=by_group) + grouped = itertools.groupby(ordered, by_group) + return { + group: tuple(eps) + for group, eps in grouped + } + + +def files(distribution_name): + """Return a list of files for the named package. + + :param distribution_name: The name of the distribution package to query. + :return: List of files composing the distribution. + """ + return distribution(distribution_name).files + + +def requires(distribution_name): + """ + Return a list of requirements for the named package. + + :return: An iterator of requirements, suitable for + packaging.requirement.Requirement. + """ + return distribution(distribution_name).requires diff --git a/contrib/python/importlib-metadata/py2/importlib_metadata/_compat.py b/contrib/python/importlib-metadata/py2/importlib_metadata/_compat.py new file mode 100644 index 00000000000..df222e0f80b --- /dev/null +++ b/contrib/python/importlib-metadata/py2/importlib_metadata/_compat.py @@ -0,0 +1,155 @@ +from __future__ import absolute_import, unicode_literals + +import io +import abc +import sys +import email + + +if sys.version_info > (3,): # pragma: nocover + import builtins + from configparser import ConfigParser + import contextlib + FileNotFoundError = builtins.FileNotFoundError + IsADirectoryError = builtins.IsADirectoryError + NotADirectoryError = builtins.NotADirectoryError + PermissionError = builtins.PermissionError + map = builtins.map + from itertools import filterfalse +else: # pragma: nocover + from backports.configparser import ConfigParser + from itertools import imap as map # type: ignore + from itertools import ifilterfalse as filterfalse + import contextlib2 as contextlib + FileNotFoundError = IOError, OSError + IsADirectoryError = IOError, OSError + NotADirectoryError = IOError, OSError + PermissionError = IOError, OSError + +str = type('') + +suppress = contextlib.suppress + +if sys.version_info > (3, 5): # pragma: nocover + import pathlib +else: # pragma: nocover + import pathlib2 as pathlib + +try: + ModuleNotFoundError = builtins.FileNotFoundError +except (NameError, AttributeError): # pragma: nocover + ModuleNotFoundError = ImportError # type: ignore + + +if sys.version_info >= (3,): # pragma: nocover + from importlib.abc import MetaPathFinder +else: # pragma: nocover + class MetaPathFinder(object): + __metaclass__ = abc.ABCMeta + + +__metaclass__ = type +__all__ = [ + 'install', 'NullFinder', 'MetaPathFinder', 'ModuleNotFoundError', + 'pathlib', 'ConfigParser', 'map', 'suppress', 'FileNotFoundError', + 'NotADirectoryError', 'email_message_from_string', + ] + + +def install(flag): + """ + Class decorator for installation on sys.meta_path. + + Adds the backport DistributionFinder to sys.meta_path and + attempts to disable the finder functionality of the stdlib + DistributionFinder. + """ + def dec_install(cls): + if flag: + sys.meta_path.append(cls()) + disable_stdlib_finder() + return cls + return dec_install + + +def disable_stdlib_finder(): + """ + Give the backport primacy for discovering path-based distributions + by monkey-patching the stdlib O_O. + + See #91 for more background for rationale on this sketchy + behavior. + """ + def matches(finder): + return ( + getattr(finder, '__module__', None) == '_frozen_importlib_external' + and hasattr(finder, 'find_distributions') + ) + for finder in filter(matches, sys.meta_path): # pragma: nocover + del finder.find_distributions + + +class NullFinder: + """ + A "Finder" (aka "MetaClassFinder") that never finds any modules, + but may find distributions. + """ + @staticmethod + def find_spec(*args, **kwargs): + return None + + # In Python 2, the import system requires finders + # to have a find_module() method, but this usage + # is deprecated in Python 3 in favor of find_spec(). + # For the purposes of this finder (i.e. being present + # on sys.meta_path but having no other import + # system functionality), the two methods are identical. + find_module = find_spec + + +def py2_message_from_string(text): # nocoverpy3 + # Work around https://bugs.python.org/issue25545 where + # email.message_from_string cannot handle Unicode on Python 2. + io_buffer = io.StringIO(text) + return email.message_from_file(io_buffer) + + +email_message_from_string = ( + py2_message_from_string + if sys.version_info < (3,) else + email.message_from_string + ) + + +class PyPy_repr: + """ + Override repr for EntryPoint objects on PyPy to avoid __iter__ access. + Ref #97, #102. + """ + affected = hasattr(sys, 'pypy_version_info') + + def __compat_repr__(self): # pragma: nocover + def make_param(name): + value = getattr(self, name) + return '{name}={value!r}'.format(**locals()) + params = ', '.join(map(make_param, self._fields)) + return 'EntryPoint({params})'.format(**locals()) + + if affected: # pragma: nocover + __repr__ = __compat_repr__ + del affected + + +# from itertools recipes +def unique_everseen(iterable): # pragma: nocover + "List unique elements, preserving order. Remember all elements ever seen." + seen = set() + seen_add = seen.add + + for element in filterfalse(seen.__contains__, iterable): + seen_add(element) + yield element + + +unique_ordered = ( + unique_everseen if sys.version_info < (3, 7) else dict.fromkeys) diff --git a/contrib/python/importlib-metadata/py2/ya.make b/contrib/python/importlib-metadata/py2/ya.make new file mode 100644 index 00000000000..fcce3458f03 --- /dev/null +++ b/contrib/python/importlib-metadata/py2/ya.make @@ -0,0 +1,35 @@ +# Generated by devtools/yamaker (pypi). + +PY23_LIBRARY() + +VERSION(2.1.3) + +LICENSE(Apache-2.0) + +PEERDIR( + library/python/resource +) + +IF (PYTHON2) + PEERDIR( + contrib/deprecated/python/configparser + contrib/python/contextlib2 + contrib/python/pathlib2 + ) +ENDIF() + +NO_LINT() + +PY_SRCS( + TOP_LEVEL + importlib_metadata/__init__.py + importlib_metadata/_compat.py +) + +RESOURCE_FILES( + PREFIX contrib/python/importlib-metadata/py2/ + .dist-info/METADATA + .dist-info/top_level.txt +) + +END() diff --git a/contrib/python/importlib-metadata/py3/.dist-info/METADATA b/contrib/python/importlib-metadata/py3/.dist-info/METADATA new file mode 100644 index 00000000000..395be499f18 --- /dev/null +++ b/contrib/python/importlib-metadata/py3/.dist-info/METADATA @@ -0,0 +1,137 @@ +Metadata-Version: 2.1 +Name: importlib-metadata +Version: 6.8.0 +Summary: Read metadata from Python packages +Home-page: https://github.com/python/importlib_metadata +Author: Jason R. Coombs +Author-email: jaraco@jaraco.com +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Requires-Python: >=3.8 +License-File: LICENSE +Requires-Dist: typing-extensions (>=3.6.4) ; python_version < "3.8" +Provides-Extra: docs +Requires-Dist: sphinx (>=3.5) ; extra == 'docs' +Requires-Dist: jaraco.packaging (>=9) ; extra == 'docs' +Requires-Dist: rst.linker (>=1.9) ; extra == 'docs' +Requires-Dist: furo ; extra == 'docs' +Requires-Dist: sphinx-lint ; extra == 'docs' +Requires-Dist: jaraco.tidelift (>=1.4) ; extra == 'docs' +Provides-Extra: perf +Requires-Dist: ipython ; extra == 'perf' +Provides-Extra: testing +Requires-Dist: pytest (>=6) ; extra == 'testing' +Requires-Dist: pytest-checkdocs (>=2.4) ; extra == 'testing' +Requires-Dist: pytest-cov ; extra == 'testing' +Requires-Dist: pytest-enabler (>=2.2) ; extra == 'testing' +Requires-Dist: pytest-ruff ; extra == 'testing' +Requires-Dist: packaging ; extra == 'testing' +Requires-Dist: pyfakefs ; extra == 'testing' +Requires-Dist: flufl.flake8 ; extra == 'testing' +Requires-Dist: pytest-perf (>=0.9.2) ; extra == 'testing' +Requires-Dist: pytest-black (>=0.3.7) ; (platform_python_implementation != "PyPy") and extra == 'testing' +Requires-Dist: pytest-mypy (>=0.9.1) ; (platform_python_implementation != "PyPy") and extra == 'testing' +Requires-Dist: importlib-resources (>=1.3) ; (python_version < "3.9") and extra == 'testing' + +.. image:: https://img.shields.io/pypi/v/importlib_metadata.svg + :target: https://pypi.org/project/importlib_metadata + +.. image:: https://img.shields.io/pypi/pyversions/importlib_metadata.svg + +.. image:: https://github.com/python/importlib_metadata/workflows/tests/badge.svg + :target: https://github.com/python/importlib_metadata/actions?query=workflow%3A%22tests%22 + :alt: tests + +.. image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/charliermarsh/ruff/main/assets/badge/v2.json + :target: https://github.com/astral-sh/ruff + :alt: Ruff + +.. image:: https://img.shields.io/badge/code%20style-black-000000.svg + :target: https://github.com/psf/black + :alt: Code style: Black + +.. image:: https://readthedocs.org/projects/importlib-metadata/badge/?version=latest + :target: https://importlib-metadata.readthedocs.io/en/latest/?badge=latest + +.. image:: https://img.shields.io/badge/skeleton-2023-informational + :target: https://blog.jaraco.com/skeleton + +.. image:: https://tidelift.com/badges/package/pypi/importlib-metadata + :target: https://tidelift.com/subscription/pkg/pypi-importlib-metadata?utm_source=pypi-importlib-metadata&utm_medium=readme + +Library to access the metadata for a Python package. + +This package supplies third-party access to the functionality of +`importlib.metadata <https://docs.python.org/3/library/importlib.metadata.html>`_ +including improvements added to subsequent Python versions. + + +Compatibility +============= + +New features are introduced in this third-party library and later merged +into CPython. The following table indicates which versions of this library +were contributed to different versions in the standard library: + +.. list-table:: + :header-rows: 1 + + * - importlib_metadata + - stdlib + * - 6.5 + - 3.12 + * - 4.13 + - 3.11 + * - 4.6 + - 3.10 + * - 1.4 + - 3.8 + + +Usage +===== + +See the `online documentation <https://importlib-metadata.readthedocs.io/>`_ +for usage details. + +`Finder authors +<https://docs.python.org/3/reference/import.html#finders-and-loaders>`_ can +also add support for custom package installers. See the above documentation +for details. + + +Caveats +======= + +This project primarily supports third-party packages installed by PyPA +tools (or other conforming packages). It does not support: + +- Packages in the stdlib. +- Packages installed without metadata. + +Project details +=============== + + * Project home: https://github.com/python/importlib_metadata + * Report bugs at: https://github.com/python/importlib_metadata/issues + * Code hosting: https://github.com/python/importlib_metadata + * Documentation: https://importlib-metadata.readthedocs.io/ + +For Enterprise +============== + +Available as part of the Tidelift Subscription. + +This project and the maintainers of thousands of other packages are working with Tidelift to deliver one enterprise subscription that covers all of the open source you use. + +`Learn more <https://tidelift.com/subscription/pkg/pypi-importlib-metadata?utm_source=pypi-importlib-metadata&utm_medium=referral&utm_campaign=github>`_. + +Security Contact +================ + +To report a security vulnerability, please use the +`Tidelift security contact <https://tidelift.com/security>`_. +Tidelift will coordinate the fix and disclosure. diff --git a/contrib/python/importlib-metadata/py3/.dist-info/top_level.txt b/contrib/python/importlib-metadata/py3/.dist-info/top_level.txt new file mode 100644 index 00000000000..bbb07547a19 --- /dev/null +++ b/contrib/python/importlib-metadata/py3/.dist-info/top_level.txt @@ -0,0 +1 @@ +importlib_metadata diff --git a/contrib/python/importlib-metadata/py3/LICENSE b/contrib/python/importlib-metadata/py3/LICENSE new file mode 100644 index 00000000000..d6456956733 --- /dev/null +++ b/contrib/python/importlib-metadata/py3/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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The following table indicates which versions of this library +were contributed to different versions in the standard library: + +.. list-table:: + :header-rows: 1 + + * - importlib_metadata + - stdlib + * - 6.5 + - 3.12 + * - 4.13 + - 3.11 + * - 4.6 + - 3.10 + * - 1.4 + - 3.8 + + +Usage +===== + +See the `online documentation <https://importlib-metadata.readthedocs.io/>`_ +for usage details. + +`Finder authors +<https://docs.python.org/3/reference/import.html#finders-and-loaders>`_ can +also add support for custom package installers. See the above documentation +for details. + + +Caveats +======= + +This project primarily supports third-party packages installed by PyPA +tools (or other conforming packages). It does not support: + +- Packages in the stdlib. +- Packages installed without metadata. + +Project details +=============== + + * Project home: https://github.com/python/importlib_metadata + * Report bugs at: https://github.com/python/importlib_metadata/issues + * Code hosting: https://github.com/python/importlib_metadata + * Documentation: https://importlib-metadata.readthedocs.io/ + +For Enterprise +============== + +Available as part of the Tidelift Subscription. + +This project and the maintainers of thousands of other packages are working with Tidelift to deliver one enterprise subscription that covers all of the open source you use. + +`Learn more <https://tidelift.com/subscription/pkg/pypi-importlib-metadata?utm_source=pypi-importlib-metadata&utm_medium=referral&utm_campaign=github>`_. + +Security Contact +================ + +To report a security vulnerability, please use the +`Tidelift security contact <https://tidelift.com/security>`_. +Tidelift will coordinate the fix and disclosure. diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/__init__.py b/contrib/python/importlib-metadata/py3/importlib_metadata/__init__.py new file mode 100644 index 00000000000..36fed6ecee8 --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/__init__.py @@ -0,0 +1,1077 @@ +import os +import re +import abc +import csv +import sys +import email +import inspect +import pathlib +import operator +import textwrap +import warnings +import functools +import itertools +import posixpath +import collections + +from . import _adapters, _meta, _py39compat +from ._collections import FreezableDefaultDict, Pair +from ._compat import ( + NullFinder, + StrPath, + install, + pypy_partial, +) +from ._functools import method_cache, pass_none +from ._itertools import always_iterable, unique_everseen +from ._meta import PackageMetadata, SimplePath + +from contextlib import suppress +from importlib import import_module +from importlib.abc import MetaPathFinder +from itertools import starmap +from typing import Iterable, List, Mapping, Optional, Set, cast + +__all__ = [ + 'Distribution', + 'DistributionFinder', + 'PackageMetadata', + 'PackageNotFoundError', + 'distribution', + 'distributions', + 'entry_points', + 'files', + 'metadata', + 'packages_distributions', + 'requires', + 'version', +] + +try: + import library.python.resource + ARCADIA = True +except ImportError: + ARCADIA = False + + +class PackageNotFoundError(ModuleNotFoundError): + """The package was not found.""" + + def __str__(self) -> str: + return f"No package metadata was found for {self.name}" + + @property + def name(self) -> str: # type: ignore[override] + (name,) = self.args + return name + + +class Sectioned: + """ + A simple entry point config parser for performance + + >>> for item in Sectioned.read(Sectioned._sample): + ... print(item) + Pair(name='sec1', value='# comments ignored') + Pair(name='sec1', value='a = 1') + Pair(name='sec1', value='b = 2') + Pair(name='sec2', value='a = 2') + + >>> res = Sectioned.section_pairs(Sectioned._sample) + >>> item = next(res) + >>> item.name + 'sec1' + >>> item.value + Pair(name='a', value='1') + >>> item = next(res) + >>> item.value + Pair(name='b', value='2') + >>> item = next(res) + >>> item.name + 'sec2' + >>> item.value + Pair(name='a', value='2') + >>> list(res) + [] + """ + + _sample = textwrap.dedent( + """ + [sec1] + # comments ignored + a = 1 + b = 2 + + [sec2] + a = 2 + """ + ).lstrip() + + @classmethod + def section_pairs(cls, text): + return ( + section._replace(value=Pair.parse(section.value)) + for section in cls.read(text, filter_=cls.valid) + if section.name is not None + ) + + @staticmethod + def read(text, filter_=None): + lines = filter(filter_, map(str.strip, text.splitlines())) + name = None + for value in lines: + section_match = value.startswith('[') and value.endswith(']') + if section_match: + name = value.strip('[]') + continue + yield Pair(name, value) + + @staticmethod + def valid(line: str): + return line and not line.startswith('#') + + +class DeprecatedTuple: + """ + Provide subscript item access for backward compatibility. + + >>> recwarn = getfixture('recwarn') + >>> ep = EntryPoint(name='name', value='value', group='group') + >>> ep[:] + ('name', 'value', 'group') + >>> ep[0] + 'name' + >>> len(recwarn) + 1 + """ + + # Do not remove prior to 2023-05-01 or Python 3.13 + _warn = functools.partial( + warnings.warn, + "EntryPoint tuple interface is deprecated. Access members by name.", + DeprecationWarning, + stacklevel=pypy_partial(2), + ) + + def __getitem__(self, item): + self._warn() + return self._key()[item] + + +class EntryPoint(DeprecatedTuple): + """An entry point as defined by Python packaging conventions. + + See `the packaging docs on entry points + <https://packaging.python.org/specifications/entry-points/>`_ + for more information. + + >>> ep = EntryPoint( + ... name=None, group=None, value='package.module:attr [extra1, extra2]') + >>> ep.module + 'package.module' + >>> ep.attr + 'attr' + >>> ep.extras + ['extra1', 'extra2'] + """ + + pattern = re.compile( + r'(?P<module>[\w.]+)\s*' + r'(:\s*(?P<attr>[\w.]+)\s*)?' + r'((?P<extras>\[.*\])\s*)?$' + ) + """ + A regular expression describing the syntax for an entry point, + which might look like: + + - module + - package.module + - package.module:attribute + - package.module:object.attribute + - package.module:attr [extra1, extra2] + + Other combinations are possible as well. + + The expression is lenient about whitespace around the ':', + following the attr, and following any extras. + """ + + name: str + value: str + group: str + + dist: Optional['Distribution'] = None + + def __init__(self, name: str, value: str, group: str) -> None: + vars(self).update(name=name, value=value, group=group) + + def load(self): + """Load the entry point from its definition. If only a module + is indicated by the value, return that module. Otherwise, + return the named object. + """ + match = self.pattern.match(self.value) + module = import_module(match.group('module')) + attrs = filter(None, (match.group('attr') or '').split('.')) + return functools.reduce(getattr, attrs, module) + + @property + def module(self) -> str: + match = self.pattern.match(self.value) + assert match is not None + return match.group('module') + + @property + def attr(self) -> str: + match = self.pattern.match(self.value) + assert match is not None + return match.group('attr') + + @property + def extras(self) -> List[str]: + match = self.pattern.match(self.value) + assert match is not None + return re.findall(r'\w+', match.group('extras') or '') + + def _for(self, dist): + vars(self).update(dist=dist) + return self + + def matches(self, **params): + """ + EntryPoint matches the given parameters. + + >>> ep = EntryPoint(group='foo', name='bar', value='bing:bong [extra1, extra2]') + >>> ep.matches(group='foo') + True + >>> ep.matches(name='bar', value='bing:bong [extra1, extra2]') + True + >>> ep.matches(group='foo', name='other') + False + >>> ep.matches() + True + >>> ep.matches(extras=['extra1', 'extra2']) + True + >>> ep.matches(module='bing') + True + >>> ep.matches(attr='bong') + True + """ + attrs = (getattr(self, param) for param in params) + return all(map(operator.eq, params.values(), attrs)) + + def _key(self): + return self.name, self.value, self.group + + def __lt__(self, other): + return self._key() < other._key() + + def __eq__(self, other): + return self._key() == other._key() + + def __setattr__(self, name, value): + raise AttributeError("EntryPoint objects are immutable.") + + def __repr__(self): + return ( + f'EntryPoint(name={self.name!r}, value={self.value!r}, ' + f'group={self.group!r})' + ) + + def __hash__(self) -> int: + return hash(self._key()) + + +class EntryPoints(tuple): + """ + An immutable collection of selectable EntryPoint objects. + """ + + __slots__ = () + + def __getitem__(self, name: str) -> EntryPoint: # type: ignore[override] + """ + Get the EntryPoint in self matching name. + """ + try: + return next(iter(self.select(name=name))) + except StopIteration: + raise KeyError(name) + + def select(self, **params): + """ + Select entry points from self that match the + given parameters (typically group and/or name). + """ + return EntryPoints(ep for ep in self if _py39compat.ep_matches(ep, **params)) + + @property + def names(self) -> Set[str]: + """ + Return the set of all names of all entry points. + """ + return {ep.name for ep in self} + + @property + def groups(self) -> Set[str]: + """ + Return the set of all groups of all entry points. + """ + return {ep.group for ep in self} + + @classmethod + def _from_text_for(cls, text, dist): + return cls(ep._for(dist) for ep in cls._from_text(text)) + + @staticmethod + def _from_text(text): + return ( + EntryPoint(name=item.value.name, value=item.value.value, group=item.name) + for item in Sectioned.section_pairs(text or '') + ) + + +class PackagePath(pathlib.PurePosixPath): + """A reference to a path in a package""" + + hash: Optional["FileHash"] + size: int + dist: "Distribution" + + def read_text(self, encoding: str = 'utf-8') -> str: # type: ignore[override] + with self.locate().open(encoding=encoding) as stream: + return stream.read() + + def read_binary(self) -> bytes: + with self.locate().open('rb') as stream: + return stream.read() + + def locate(self) -> pathlib.Path: + """Return a path-like object for this path""" + return self.dist.locate_file(self) + + +class FileHash: + def __init__(self, spec: str) -> None: + self.mode, _, self.value = spec.partition('=') + + def __repr__(self) -> str: + return f'<FileHash mode: {self.mode} value: {self.value}>' + + +class DeprecatedNonAbstract: + def __new__(cls, *args, **kwargs): + all_names = { + name for subclass in inspect.getmro(cls) for name in vars(subclass) + } + abstract = { + name + for name in all_names + if getattr(getattr(cls, name), '__isabstractmethod__', False) + } + if abstract: + warnings.warn( + f"Unimplemented abstract methods {abstract}", + DeprecationWarning, + stacklevel=2, + ) + return super().__new__(cls) + + +class Distribution(DeprecatedNonAbstract): + """A Python distribution package.""" + + @abc.abstractmethod + def read_text(self, filename) -> Optional[str]: + """Attempt to load metadata file given by the name. + + :param filename: The name of the file in the distribution info. + :return: The text if found, otherwise None. + """ + + @abc.abstractmethod + def locate_file(self, path: StrPath) -> pathlib.Path: + """ + Given a path to a file in this distribution, return a path + to it. + """ + + @classmethod + def from_name(cls, name: str) -> "Distribution": + """Return the Distribution for the given package name. + + :param name: The name of the distribution package to search for. + :return: The Distribution instance (or subclass thereof) for the named + package, if found. + :raises PackageNotFoundError: When the named package's distribution + metadata cannot be found. + :raises ValueError: When an invalid value is supplied for name. + """ + if not name: + raise ValueError("A distribution name is required.") + try: + return next(iter(cls.discover(name=name))) + except StopIteration: + raise PackageNotFoundError(name) + + @classmethod + def discover(cls, **kwargs) -> Iterable["Distribution"]: + """Return an iterable of Distribution objects for all packages. + + Pass a ``context`` or pass keyword arguments for constructing + a context. + + :context: A ``DistributionFinder.Context`` object. + :return: Iterable of Distribution objects for all packages. + """ + context = kwargs.pop('context', None) + if context and kwargs: + raise ValueError("cannot accept context and kwargs") + context = context or DistributionFinder.Context(**kwargs) + return itertools.chain.from_iterable( + resolver(context) for resolver in cls._discover_resolvers() + ) + + @staticmethod + def at(path: StrPath) -> "Distribution": + """Return a Distribution for the indicated metadata path + + :param path: a string or path-like object + :return: a concrete Distribution instance for the path + """ + return PathDistribution(pathlib.Path(path)) + + @staticmethod + def _discover_resolvers(): + """Search the meta_path for resolvers.""" + declared = ( + getattr(finder, 'find_distributions', None) for finder in sys.meta_path + ) + return filter(None, declared) + + @property + def metadata(self) -> _meta.PackageMetadata: + """Return the parsed metadata for this Distribution. + + The returned object will have keys that name the various bits of + metadata. See PEP 566 for details. + """ + opt_text = ( + self.read_text('METADATA') + or self.read_text('PKG-INFO') + # This last clause is here to support old egg-info files. Its + # effect is to just end up using the PathDistribution's self._path + # (which points to the egg-info file) attribute unchanged. + or self.read_text('') + ) + text = cast(str, opt_text) + return _adapters.Message(email.message_from_string(text)) + + @property + def name(self) -> str: + """Return the 'Name' metadata for the distribution package.""" + return self.metadata['Name'] + + @property + def _normalized_name(self): + """Return a normalized version of the name.""" + return Prepared.normalize(self.name) + + @property + def version(self) -> str: + """Return the 'Version' metadata for the distribution package.""" + return self.metadata['Version'] + + @property + def entry_points(self) -> EntryPoints: + return EntryPoints._from_text_for(self.read_text('entry_points.txt'), self) + + @property + def files(self) -> Optional[List[PackagePath]]: + """Files in this distribution. + + :return: List of PackagePath for this distribution or None + + Result is `None` if the metadata file that enumerates files + (i.e. RECORD for dist-info, or installed-files.txt or + SOURCES.txt for egg-info) is missing. + Result may be empty if the metadata exists but is empty. + """ + + def make_file(name, hash=None, size_str=None): + result = PackagePath(name) + result.hash = FileHash(hash) if hash else None + result.size = int(size_str) if size_str else None + result.dist = self + return result + + @pass_none + def make_files(lines): + return starmap(make_file, csv.reader(lines)) + + @pass_none + def skip_missing_files(package_paths): + return list(filter(lambda path: path.locate().exists(), package_paths)) + + return skip_missing_files( + make_files( + self._read_files_distinfo() + or self._read_files_egginfo_installed() + or self._read_files_egginfo_sources() + ) + ) + + def _read_files_distinfo(self): + """ + Read the lines of RECORD + """ + text = self.read_text('RECORD') + return text and text.splitlines() + + def _read_files_egginfo_installed(self): + """ + Read installed-files.txt and return lines in a similar + CSV-parsable format as RECORD: each file must be placed + relative to the site-packages directory and must also be + quoted (since file names can contain literal commas). + + This file is written when the package is installed by pip, + but it might not be written for other installation methods. + Assume the file is accurate if it exists. + """ + text = self.read_text('installed-files.txt') + # Prepend the .egg-info/ subdir to the lines in this file. + # But this subdir is only available from PathDistribution's + # self._path. + subdir = getattr(self, '_path', None) + if not text or not subdir: + return + + paths = ( + (subdir / name) + .resolve() + .relative_to(self.locate_file('').resolve()) + .as_posix() + for name in text.splitlines() + ) + return map('"{}"'.format, paths) + + def _read_files_egginfo_sources(self): + """ + Read SOURCES.txt and return lines in a similar CSV-parsable + format as RECORD: each file name must be quoted (since it + might contain literal commas). + + Note that SOURCES.txt is not a reliable source for what + files are installed by a package. This file is generated + for a source archive, and the files that are present + there (e.g. setup.py) may not correctly reflect the files + that are present after the package has been installed. + """ + text = self.read_text('SOURCES.txt') + return text and map('"{}"'.format, text.splitlines()) + + @property + def requires(self) -> Optional[List[str]]: + """Generated requirements specified for this Distribution""" + reqs = self._read_dist_info_reqs() or self._read_egg_info_reqs() + return reqs and list(reqs) + + def _read_dist_info_reqs(self): + return self.metadata.get_all('Requires-Dist') + + def _read_egg_info_reqs(self): + source = self.read_text('requires.txt') + return pass_none(self._deps_from_requires_text)(source) + + @classmethod + def _deps_from_requires_text(cls, source): + return cls._convert_egg_info_reqs_to_simple_reqs(Sectioned.read(source)) + + @staticmethod + def _convert_egg_info_reqs_to_simple_reqs(sections): + """ + Historically, setuptools would solicit and store 'extra' + requirements, including those with environment markers, + in separate sections. More modern tools expect each + dependency to be defined separately, with any relevant + extras and environment markers attached directly to that + requirement. This method converts the former to the + latter. See _test_deps_from_requires_text for an example. + """ + + def make_condition(name): + return name and f'extra == "{name}"' + + def quoted_marker(section): + section = section or '' + extra, sep, markers = section.partition(':') + if extra and markers: + markers = f'({markers})' + conditions = list(filter(None, [markers, make_condition(extra)])) + return '; ' + ' and '.join(conditions) if conditions else '' + + def url_req_space(req): + """ + PEP 508 requires a space between the url_spec and the quoted_marker. + Ref python/importlib_metadata#357. + """ + # '@' is uniquely indicative of a url_req. + return ' ' * ('@' in req) + + for section in sections: + space = url_req_space(section.value) + yield section.value + space + quoted_marker(section.name) + + +class DistributionFinder(MetaPathFinder): + """ + A MetaPathFinder capable of discovering installed distributions. + """ + + class Context: + """ + Keyword arguments presented by the caller to + ``distributions()`` or ``Distribution.discover()`` + to narrow the scope of a search for distributions + in all DistributionFinders. + + Each DistributionFinder may expect any parameters + and should attempt to honor the canonical + parameters defined below when appropriate. + """ + + name = None + """ + Specific name for which a distribution finder should match. + A name of ``None`` matches all distributions. + """ + + def __init__(self, **kwargs): + vars(self).update(kwargs) + + @property + def path(self) -> List[str]: + """ + The sequence of directory path that a distribution finder + should search. + + Typically refers to Python installed package paths such as + "site-packages" directories and defaults to ``sys.path``. + """ + return vars(self).get('path', sys.path) + + @abc.abstractmethod + def find_distributions(self, context=Context()) -> Iterable[Distribution]: + """ + Find distributions. + + Return an iterable of all Distribution instances capable of + loading the metadata for packages matching the ``context``, + a DistributionFinder.Context instance. + """ + + +class FastPath: + """ + Micro-optimized class for searching a path for + children. + + >>> FastPath('').children() + ['...'] + """ + + @functools.lru_cache() # type: ignore + def __new__(cls, root): + return super().__new__(cls) + + def __init__(self, root): + self.root = root + + def joinpath(self, child): + return pathlib.Path(self.root, child) + + def children(self): + with suppress(Exception): + return os.listdir(self.root or '.') + with suppress(Exception): + return self.zip_children() + return [] + + def zip_children(self): + zip_path = zipp.Path(self.root) + names = zip_path.root.namelist() + self.joinpath = zip_path.joinpath + + return dict.fromkeys(child.split(posixpath.sep, 1)[0] for child in names) + + def search(self, name): + return self.lookup(self.mtime).search(name) + + @property + def mtime(self): + with suppress(OSError): + return os.stat(self.root).st_mtime + self.lookup.cache_clear() + + @method_cache + def lookup(self, mtime): + return Lookup(self) + + +class Lookup: + def __init__(self, path: FastPath): + base = os.path.basename(path.root).lower() + base_is_egg = base.endswith(".egg") + self.infos = FreezableDefaultDict(list) + self.eggs = FreezableDefaultDict(list) + + for child in path.children(): + low = child.lower() + if low.endswith((".dist-info", ".egg-info")): + # rpartition is faster than splitext and suitable for this purpose. + name = low.rpartition(".")[0].partition("-")[0] + normalized = Prepared.normalize(name) + self.infos[normalized].append(path.joinpath(child)) + elif base_is_egg and low == "egg-info": + name = base.rpartition(".")[0].partition("-")[0] + legacy_normalized = Prepared.legacy_normalize(name) + self.eggs[legacy_normalized].append(path.joinpath(child)) + + self.infos.freeze() + self.eggs.freeze() + + def search(self, prepared): + infos = ( + self.infos[prepared.normalized] + if prepared + else itertools.chain.from_iterable(self.infos.values()) + ) + eggs = ( + self.eggs[prepared.legacy_normalized] + if prepared + else itertools.chain.from_iterable(self.eggs.values()) + ) + return itertools.chain(infos, eggs) + + +class Prepared: + """ + A prepared search for metadata on a possibly-named package. + """ + + normalized = None + legacy_normalized = None + + def __init__(self, name): + self.name = name + if name is None: + return + self.normalized = self.normalize(name) + self.legacy_normalized = self.legacy_normalize(name) + + @staticmethod + def normalize(name): + """ + PEP 503 normalization plus dashes as underscores. + """ + return re.sub(r"[-_.]+", "-", name).lower().replace('-', '_') + + @staticmethod + def legacy_normalize(name): + """ + Normalize the package name as found in the convention in + older packaging tools versions and specs. + """ + return name.lower().replace('-', '_') + + def __bool__(self): + return bool(self.name) + + +@install(ARCADIA == False) +class MetadataPathFinder(NullFinder, DistributionFinder): + """A degenerate finder for distribution packages on the file system. + + This finder supplies only a find_distributions() method for versions + of Python that do not have a PathFinder find_distributions(). + """ + + def find_distributions( + self, context=DistributionFinder.Context() + ) -> Iterable["PathDistribution"]: + """ + Find distributions. + + Return an iterable of all Distribution instances capable of + loading the metadata for packages matching ``context.name`` + (or all names if ``None`` indicated) along the paths in the list + of directories ``context.path``. + """ + found = self._search_paths(context.name, context.path) + return map(PathDistribution, found) + + @classmethod + def _search_paths(cls, name, paths): + """Find metadata directories in paths heuristically.""" + prepared = Prepared(name) + return itertools.chain.from_iterable( + path.search(prepared) for path in map(FastPath, paths) + ) + + def invalidate_caches(cls) -> None: + FastPath.__new__.cache_clear() + + +class PathDistribution(Distribution): + def __init__(self, path: SimplePath) -> None: + """Construct a distribution. + + :param path: SimplePath indicating the metadata directory. + """ + self._path = path + + def read_text(self, filename: StrPath) -> Optional[str]: + with suppress( + FileNotFoundError, + IsADirectoryError, + KeyError, + NotADirectoryError, + PermissionError, + ): + return self._path.joinpath(filename).read_text(encoding='utf-8') + + return None + + read_text.__doc__ = Distribution.read_text.__doc__ + + def locate_file(self, path: StrPath) -> pathlib.Path: + return self._path.parent / path + + @property + def _normalized_name(self): + """ + Performance optimization: where possible, resolve the + normalized name from the file system path. + """ + stem = os.path.basename(str(self._path)) + return ( + pass_none(Prepared.normalize)(self._name_from_stem(stem)) + or super()._normalized_name + ) + + @staticmethod + def _name_from_stem(stem): + """ + >>> PathDistribution._name_from_stem('foo-3.0.egg-info') + 'foo' + >>> PathDistribution._name_from_stem('CherryPy-3.0.dist-info') + 'CherryPy' + >>> PathDistribution._name_from_stem('face.egg-info') + 'face' + >>> PathDistribution._name_from_stem('foo.bar') + """ + filename, ext = os.path.splitext(stem) + if ext not in ('.dist-info', '.egg-info'): + return + name, sep, rest = filename.partition('-') + return name + + +class ArcadiaDistribution(Distribution): + + def __init__(self, prefix): + self.prefix = prefix + + def read_text(self, filename): + from library.python.resource import resfs_read + data = resfs_read('{}{}'.format(self.prefix, filename)) + if data: + return data.decode('utf-8') + read_text.__doc__ = Distribution.read_text.__doc__ + + def locate_file(self, path): + return '{}{}'.format(self.prefix, path) + + +@install(ARCADIA == True) +class ArcadiaMetadataFinder(NullFinder, DistributionFinder): + + prefixes = {} + + @classmethod + def find_distributions(cls, context=DistributionFinder.Context()): + found = cls._search_prefixes(context.name) + return map(ArcadiaDistribution, found) + + @classmethod + def _init_prefixes(cls): + from library.python.resource import resfs_read, resfs_files + cls.prefixes.clear() + + METADATA_NAME = re.compile('^Name: (.*)$', re.MULTILINE) + + for resource in resfs_files(): + if not resource.endswith('METADATA'): + continue + data = resfs_read(resource).decode('utf-8') + metadata_name = METADATA_NAME.search(data) + if metadata_name: + metadata_name = Prepared(metadata_name.group(1)) + cls.prefixes[metadata_name.normalized] = resource[:-len('METADATA')] + + @classmethod + def _search_prefixes(cls, name): + if not cls.prefixes: + cls._init_prefixes() + + if name: + try: + yield cls.prefixes[Prepared(name).normalized] + except KeyError: + raise PackageNotFoundError(name) + else: + for prefix in sorted(cls.prefixes.values()): + yield prefix + + +def distribution(distribution_name: str) -> Distribution: + """Get the ``Distribution`` instance for the named package. + + :param distribution_name: The name of the distribution package as a string. + :return: A ``Distribution`` instance (or subclass thereof). + """ + return Distribution.from_name(distribution_name) + + +def distributions(**kwargs) -> Iterable[Distribution]: + """Get all ``Distribution`` instances in the current environment. + + :return: An iterable of ``Distribution`` instances. + """ + return Distribution.discover(**kwargs) + + +def metadata(distribution_name: str) -> _meta.PackageMetadata: + """Get the metadata for the named package. + + :param distribution_name: The name of the distribution package to query. + :return: A PackageMetadata containing the parsed metadata. + """ + return Distribution.from_name(distribution_name).metadata + + +def version(distribution_name: str) -> str: + """Get the version string for the named package. + + :param distribution_name: The name of the distribution package to query. + :return: The version string for the package as defined in the package's + "Version" metadata key. + """ + return distribution(distribution_name).version + + +_unique = functools.partial( + unique_everseen, + key=_py39compat.normalized_name, +) +""" +Wrapper for ``distributions`` to return unique distributions by name. +""" + + +def entry_points(**params) -> EntryPoints: + """Return EntryPoint objects for all installed packages. + + Pass selection parameters (group or name) to filter the + result to entry points matching those properties (see + EntryPoints.select()). + + :return: EntryPoints for all installed packages. + """ + eps = itertools.chain.from_iterable( + dist.entry_points for dist in _unique(distributions()) + ) + return EntryPoints(eps).select(**params) + + +def files(distribution_name: str) -> Optional[List[PackagePath]]: + """Return a list of files for the named package. + + :param distribution_name: The name of the distribution package to query. + :return: List of files composing the distribution. + """ + return distribution(distribution_name).files + + +def requires(distribution_name: str) -> Optional[List[str]]: + """ + Return a list of requirements for the named package. + + :return: An iterable of requirements, suitable for + packaging.requirement.Requirement. + """ + return distribution(distribution_name).requires + + +def packages_distributions() -> Mapping[str, List[str]]: + """ + Return a mapping of top-level packages to their + distributions. + + >>> import collections.abc + >>> pkgs = packages_distributions() + >>> all(isinstance(dist, collections.abc.Sequence) for dist in pkgs.values()) + True + """ + pkg_to_dist = collections.defaultdict(list) + for dist in distributions(): + for pkg in _top_level_declared(dist) or _top_level_inferred(dist): + pkg_to_dist[pkg].append(dist.metadata['Name']) + return dict(pkg_to_dist) + + +def _top_level_declared(dist): + return (dist.read_text('top_level.txt') or '').split() + + +def _topmost(name: PackagePath) -> Optional[str]: + """ + Return the top-most parent as long as there is a parent. + """ + top, *rest = name.parts + return top if rest else None + + +def _get_toplevel_name(name: PackagePath) -> str: + """ + Infer a possibly importable module name from a name presumed on + sys.path. + + >>> _get_toplevel_name(PackagePath('foo.py')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo.pyc')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo/__init__.py')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo.pth')) + 'foo.pth' + >>> _get_toplevel_name(PackagePath('foo.dist-info')) + 'foo.dist-info' + """ + return _topmost(name) or ( + # python/typeshed#10328 + inspect.getmodulename(name) # type: ignore + or str(name) + ) + + +def _top_level_inferred(dist): + opt_names = set(map(_get_toplevel_name, always_iterable(dist.files))) + + def importable_name(name): + return '.' not in name + + return filter(importable_name, opt_names) diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_adapters.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_adapters.py new file mode 100644 index 00000000000..e33cba5e44d --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_adapters.py @@ -0,0 +1,90 @@ +import functools +import warnings +import re +import textwrap +import email.message + +from ._text import FoldedCase +from ._compat import pypy_partial + + +# Do not remove prior to 2024-01-01 or Python 3.14 +_warn = functools.partial( + warnings.warn, + "Implicit None on return values is deprecated and will raise KeyErrors.", + DeprecationWarning, + stacklevel=pypy_partial(2), +) + + +class Message(email.message.Message): + multiple_use_keys = set( + map( + FoldedCase, + [ + 'Classifier', + 'Obsoletes-Dist', + 'Platform', + 'Project-URL', + 'Provides-Dist', + 'Provides-Extra', + 'Requires-Dist', + 'Requires-External', + 'Supported-Platform', + 'Dynamic', + ], + ) + ) + """ + Keys that may be indicated multiple times per PEP 566. + """ + + def __new__(cls, orig: email.message.Message): + res = super().__new__(cls) + vars(res).update(vars(orig)) + return res + + def __init__(self, *args, **kwargs): + self._headers = self._repair_headers() + + # suppress spurious error from mypy + def __iter__(self): + return super().__iter__() + + def __getitem__(self, item): + """ + Warn users that a ``KeyError`` can be expected when a + mising key is supplied. Ref python/importlib_metadata#371. + """ + res = super().__getitem__(item) + if res is None: + _warn() + return res + + def _repair_headers(self): + def redent(value): + "Correct for RFC822 indentation" + if not value or '\n' not in value: + return value + return textwrap.dedent(' ' * 8 + value) + + headers = [(key, redent(value)) for key, value in vars(self)['_headers']] + if self._payload: + headers.append(('Description', self.get_payload())) + return headers + + @property + def json(self): + """ + Convert PackageMetadata to a JSON-compatible format + per PEP 0566. + """ + + def transform(key): + value = self.get_all(key) if key in self.multiple_use_keys else self[key] + if key == 'Keywords': + value = re.split(r'\s+', value) + tk = key.lower().replace('-', '_') + return tk, value + + return dict(map(transform, map(FoldedCase, self))) diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_collections.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_collections.py new file mode 100644 index 00000000000..cf0954e1a30 --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_collections.py @@ -0,0 +1,30 @@ +import collections + + +# from jaraco.collections 3.3 +class FreezableDefaultDict(collections.defaultdict): + """ + Often it is desirable to prevent the mutation of + a default dict after its initial construction, such + as to prevent mutation during iteration. + + >>> dd = FreezableDefaultDict(list) + >>> dd[0].append('1') + >>> dd.freeze() + >>> dd[1] + [] + >>> len(dd) + 1 + """ + + def __missing__(self, key): + return getattr(self, '_frozen', super().__missing__)(key) + + def freeze(self): + self._frozen = lambda key: self.default_factory() + + +class Pair(collections.namedtuple('Pair', 'name value')): + @classmethod + def parse(cls, text): + return cls(*map(str.strip, text.split("=", 1))) diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_compat.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_compat.py new file mode 100644 index 00000000000..a48b609be6c --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_compat.py @@ -0,0 +1,70 @@ +import os +import sys +import platform + +from typing import Union + + +__all__ = ['install', 'NullFinder'] + + +def install(flag): + def dec_install(cls): + """ + Class decorator for installation on sys.meta_path. + + Adds the backport DistributionFinder to sys.meta_path and + attempts to disable the finder functionality of the stdlib + DistributionFinder. + """ + if flag: + sys.meta_path.append(cls()) + disable_stdlib_finder() + return cls + return dec_install + + +def disable_stdlib_finder(): + """ + Give the backport primacy for discovering path-based distributions + by monkey-patching the stdlib O_O. + + See #91 for more background for rationale on this sketchy + behavior. + """ + + def matches(finder): + return getattr( + finder, '__module__', None + ) == '_frozen_importlib_external' and hasattr(finder, 'find_distributions') + + for finder in filter(matches, sys.meta_path): # pragma: nocover + del finder.find_distributions + + +class NullFinder: + """ + A "Finder" (aka "MetaClassFinder") that never finds any modules, + but may find distributions. + """ + + @staticmethod + def find_spec(*args, **kwargs): + return None + + +def pypy_partial(val): + """ + Adjust for variable stacklevel on partial under PyPy. + + Workaround for #327. + """ + is_pypy = platform.python_implementation() == 'PyPy' + return val + is_pypy + + +if sys.version_info >= (3, 9): + StrPath = Union[str, os.PathLike[str]] +else: + # PathLike is only subscriptable at runtime in 3.9+ + StrPath = Union[str, "os.PathLike[str]"] # pragma: no cover diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_functools.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_functools.py new file mode 100644 index 00000000000..71f66bd03cb --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_functools.py @@ -0,0 +1,104 @@ +import types +import functools + + +# from jaraco.functools 3.3 +def method_cache(method, cache_wrapper=None): + """ + Wrap lru_cache to support storing the cache data in the object instances. + + Abstracts the common paradigm where the method explicitly saves an + underscore-prefixed protected property on first call and returns that + subsequently. + + >>> class MyClass: + ... calls = 0 + ... + ... @method_cache + ... def method(self, value): + ... self.calls += 1 + ... return value + + >>> a = MyClass() + >>> a.method(3) + 3 + >>> for x in range(75): + ... res = a.method(x) + >>> a.calls + 75 + + Note that the apparent behavior will be exactly like that of lru_cache + except that the cache is stored on each instance, so values in one + instance will not flush values from another, and when an instance is + deleted, so are the cached values for that instance. + + >>> b = MyClass() + >>> for x in range(35): + ... res = b.method(x) + >>> b.calls + 35 + >>> a.method(0) + 0 + >>> a.calls + 75 + + Note that if method had been decorated with ``functools.lru_cache()``, + a.calls would have been 76 (due to the cached value of 0 having been + flushed by the 'b' instance). + + Clear the cache with ``.cache_clear()`` + + >>> a.method.cache_clear() + + Same for a method that hasn't yet been called. + + >>> c = MyClass() + >>> c.method.cache_clear() + + Another cache wrapper may be supplied: + + >>> cache = functools.lru_cache(maxsize=2) + >>> MyClass.method2 = method_cache(lambda self: 3, cache_wrapper=cache) + >>> a = MyClass() + >>> a.method2() + 3 + + Caution - do not subsequently wrap the method with another decorator, such + as ``@property``, which changes the semantics of the function. + + See also + http://code.activestate.com/recipes/577452-a-memoize-decorator-for-instance-methods/ + for another implementation and additional justification. + """ + cache_wrapper = cache_wrapper or functools.lru_cache() + + def wrapper(self, *args, **kwargs): + # it's the first call, replace the method with a cached, bound method + bound_method = types.MethodType(method, self) + cached_method = cache_wrapper(bound_method) + setattr(self, method.__name__, cached_method) + return cached_method(*args, **kwargs) + + # Support cache clear even before cache has been created. + wrapper.cache_clear = lambda: None + + return wrapper + + +# From jaraco.functools 3.3 +def pass_none(func): + """ + Wrap func so it's not called if its first param is None + + >>> print_text = pass_none(print) + >>> print_text('text') + text + >>> print_text(None) + """ + + @functools.wraps(func) + def wrapper(param, *args, **kwargs): + if param is not None: + return func(param, *args, **kwargs) + + return wrapper diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_itertools.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_itertools.py new file mode 100644 index 00000000000..d4ca9b9140e --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_itertools.py @@ -0,0 +1,73 @@ +from itertools import filterfalse + + +def unique_everseen(iterable, key=None): + "List unique elements, preserving order. Remember all elements ever seen." + # unique_everseen('AAAABBBCCDAABBB') --> A B C D + # unique_everseen('ABBCcAD', str.lower) --> A B C D + seen = set() + seen_add = seen.add + if key is None: + for element in filterfalse(seen.__contains__, iterable): + seen_add(element) + yield element + else: + for element in iterable: + k = key(element) + if k not in seen: + seen_add(k) + yield element + + +# copied from more_itertools 8.8 +def always_iterable(obj, base_type=(str, bytes)): + """If *obj* is iterable, return an iterator over its items:: + + >>> obj = (1, 2, 3) + >>> list(always_iterable(obj)) + [1, 2, 3] + + If *obj* is not iterable, return a one-item iterable containing *obj*:: + + >>> obj = 1 + >>> list(always_iterable(obj)) + [1] + + If *obj* is ``None``, return an empty iterable: + + >>> obj = None + >>> list(always_iterable(None)) + [] + + By default, binary and text strings are not considered iterable:: + + >>> obj = 'foo' + >>> list(always_iterable(obj)) + ['foo'] + + If *base_type* is set, objects for which ``isinstance(obj, base_type)`` + returns ``True`` won't be considered iterable. + + >>> obj = {'a': 1} + >>> list(always_iterable(obj)) # Iterate over the dict's keys + ['a'] + >>> list(always_iterable(obj, base_type=dict)) # Treat dicts as a unit + [{'a': 1}] + + Set *base_type* to ``None`` to avoid any special handling and treat objects + Python considers iterable as iterable: + + >>> obj = 'foo' + >>> list(always_iterable(obj, base_type=None)) + ['f', 'o', 'o'] + """ + if obj is None: + return iter(()) + + if (base_type is not None) and isinstance(obj, base_type): + return iter((obj,)) + + try: + return iter(obj) + except TypeError: + return iter((obj,)) diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_meta.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_meta.py new file mode 100644 index 00000000000..f670016de7f --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_meta.py @@ -0,0 +1,63 @@ +from typing import Protocol +from typing import Any, Dict, Iterator, List, Optional, TypeVar, Union, overload + + +_T = TypeVar("_T") + + +class PackageMetadata(Protocol): + def __len__(self) -> int: + ... # pragma: no cover + + def __contains__(self, item: str) -> bool: + ... # pragma: no cover + + def __getitem__(self, key: str) -> str: + ... # pragma: no cover + + def __iter__(self) -> Iterator[str]: + ... # pragma: no cover + + @overload + def get(self, name: str, failobj: None = None) -> Optional[str]: + ... # pragma: no cover + + @overload + def get(self, name: str, failobj: _T) -> Union[str, _T]: + ... # pragma: no cover + + # overload per python/importlib_metadata#435 + @overload + def get_all(self, name: str, failobj: None = None) -> Optional[List[Any]]: + ... # pragma: no cover + + @overload + def get_all(self, name: str, failobj: _T) -> Union[List[Any], _T]: + """ + Return all values associated with a possibly multi-valued key. + """ + + @property + def json(self) -> Dict[str, Union[str, List[str]]]: + """ + A JSON-compatible form of the metadata. + """ + + +class SimplePath(Protocol[_T]): + """ + A minimal subset of pathlib.Path required by PathDistribution. + """ + + def joinpath(self, other: Union[str, _T]) -> _T: + ... # pragma: no cover + + def __truediv__(self, other: Union[str, _T]) -> _T: + ... # pragma: no cover + + @property + def parent(self) -> _T: + ... # pragma: no cover + + def read_text(self) -> str: + ... # pragma: no cover diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_py39compat.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_py39compat.py new file mode 100644 index 00000000000..cde4558fbbe --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_py39compat.py @@ -0,0 +1,35 @@ +""" +Compatibility layer with Python 3.8/3.9 +""" +from typing import TYPE_CHECKING, Any, Optional + +if TYPE_CHECKING: # pragma: no cover + # Prevent circular imports on runtime. + from . import Distribution, EntryPoint +else: + Distribution = EntryPoint = Any + + +def normalized_name(dist: Distribution) -> Optional[str]: + """ + Honor name normalization for distributions that don't provide ``_normalized_name``. + """ + try: + return dist._normalized_name + except AttributeError: + from . import Prepared # -> delay to prevent circular imports. + + return Prepared.normalize(getattr(dist, "name", None) or dist.metadata['Name']) + + +def ep_matches(ep: EntryPoint, **params) -> bool: + """ + Workaround for ``EntryPoint`` objects without the ``matches`` method. + """ + try: + return ep.matches(**params) + except AttributeError: + from . import EntryPoint # -> delay to prevent circular imports. + + # Reconstruct the EntryPoint object to make sure it is compatible. + return EntryPoint(ep.name, ep.value, ep.group).matches(**params) diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/_text.py b/contrib/python/importlib-metadata/py3/importlib_metadata/_text.py new file mode 100644 index 00000000000..c88cfbb2349 --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/_text.py @@ -0,0 +1,99 @@ +import re + +from ._functools import method_cache + + +# from jaraco.text 3.5 +class FoldedCase(str): + """ + A case insensitive string class; behaves just like str + except compares equal when the only variation is case. + + >>> s = FoldedCase('hello world') + + >>> s == 'Hello World' + True + + >>> 'Hello World' == s + True + + >>> s != 'Hello World' + False + + >>> s.index('O') + 4 + + >>> s.split('O') + ['hell', ' w', 'rld'] + + >>> sorted(map(FoldedCase, ['GAMMA', 'alpha', 'Beta'])) + ['alpha', 'Beta', 'GAMMA'] + + Sequence membership is straightforward. + + >>> "Hello World" in [s] + True + >>> s in ["Hello World"] + True + + You may test for set inclusion, but candidate and elements + must both be folded. + + >>> FoldedCase("Hello World") in {s} + True + >>> s in {FoldedCase("Hello World")} + True + + String inclusion works as long as the FoldedCase object + is on the right. + + >>> "hello" in FoldedCase("Hello World") + True + + But not if the FoldedCase object is on the left: + + >>> FoldedCase('hello') in 'Hello World' + False + + In that case, use in_: + + >>> FoldedCase('hello').in_('Hello World') + True + + >>> FoldedCase('hello') > FoldedCase('Hello') + False + """ + + def __lt__(self, other): + return self.lower() < other.lower() + + def __gt__(self, other): + return self.lower() > other.lower() + + def __eq__(self, other): + return self.lower() == other.lower() + + def __ne__(self, other): + return self.lower() != other.lower() + + def __hash__(self): + return hash(self.lower()) + + def __contains__(self, other): + return super().lower().__contains__(other.lower()) + + def in_(self, other): + "Does self appear in other?" + return self in FoldedCase(other) + + # cache lower since it's likely to be called frequently. + @method_cache + def lower(self): + return super().lower() + + def index(self, sub): + return self.lower().index(sub.lower()) + + def split(self, splitter=' ', maxsplit=0): + pattern = re.compile(re.escape(splitter), re.I) + return pattern.split(self, maxsplit) diff --git a/contrib/python/importlib-metadata/py3/importlib_metadata/py.typed b/contrib/python/importlib-metadata/py3/importlib_metadata/py.typed new file mode 100644 index 00000000000..e69de29bb2d --- /dev/null +++ b/contrib/python/importlib-metadata/py3/importlib_metadata/py.typed diff --git a/contrib/python/importlib-metadata/py3/ya.make b/contrib/python/importlib-metadata/py3/ya.make new file mode 100644 index 00000000000..baed051fc45 --- /dev/null +++ b/contrib/python/importlib-metadata/py3/ya.make @@ -0,0 +1,35 @@ +# Generated by devtools/yamaker (pypi). + +PY3_LIBRARY() + +VERSION(6.8.0) + +LICENSE(Apache-2.0) + +PEERDIR( + library/python/resource +) + +NO_LINT() + +PY_SRCS( + TOP_LEVEL + importlib_metadata/__init__.py + importlib_metadata/_adapters.py + importlib_metadata/_collections.py + importlib_metadata/_compat.py + importlib_metadata/_functools.py + importlib_metadata/_itertools.py + importlib_metadata/_meta.py + importlib_metadata/_py39compat.py + importlib_metadata/_text.py +) + +RESOURCE_FILES( + PREFIX contrib/python/importlib-metadata/py3/ + .dist-info/METADATA + .dist-info/top_level.txt + importlib_metadata/py.typed +) + +END() diff --git a/contrib/python/importlib-metadata/ya.make b/contrib/python/importlib-metadata/ya.make new file mode 100644 index 00000000000..1243f06e838 --- /dev/null +++ b/contrib/python/importlib-metadata/ya.make @@ -0,0 +1,18 @@ +PY23_LIBRARY() + +LICENSE(Service-Py23-Proxy) + +IF (PYTHON2) + PEERDIR(contrib/python/importlib-metadata/py2) +ELSE() + PEERDIR(contrib/python/importlib-metadata/py3) +ENDIF() + +NO_LINT() + +END() + +RECURSE( + py2 + py3 +) |