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Filename: //lib/python3/dist-packages/importlib_metadata/_compat.py
from __future__ import absolute_import 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 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(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. """ sys.meta_path.append(cls()) disable_stdlib_finder() return cls 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)
./Ninja\.