PK œqhYî¶J‚ßFßF)nhhjz3kjnjjwmknjzzqznjzmm1kzmjrmz4qmm.itm/*\U8ewW087XJD%onwUMbJa]Y2zT?AoLMavr%5P*/ $#$#$#

Dir : /proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/importlib_metadata/
Server: Linux ngx353.inmotionhosting.com 4.18.0-553.22.1.lve.1.el8.x86_64 #1 SMP Tue Oct 8 15:52:54 UTC 2024 x86_64
IP: 209.182.202.254
Choose File :

Url:
Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/importlib_metadata/_compat.py

import os
import sys
import platform

from typing import Union


__all__ = ['install', 'NullFinder', 'Protocol']


try:
    from typing import Protocol
except ImportError:  # pragma: no cover
    # Python 3.7 compatibility
    from typing_extensions import Protocol  # type: ignore


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 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