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:/ snap / certbot / 5781 / usr / lib / python3 / dist-packages / setuptools /
Filename : _importlib.py
back
import sys


def disable_importlib_metadata_finder(metadata):
    """
    Ensure importlib_metadata doesn't provide older, incompatible
    Distributions.

    Workaround for #3102.
    """
    try:
        import importlib_metadata
    except ImportError:
        return
    except AttributeError:
        from .warnings import SetuptoolsWarning

        SetuptoolsWarning.emit(
            "Incompatibility problem.",
            """
            `importlib-metadata` version is incompatible with `setuptools`.
            This problem is likely to be solved by installing an updated version of
            `importlib-metadata`.
            """,
            see_url="https://github.com/python/importlib_metadata/issues/396",
        )  # Ensure a descriptive message is shown.
        raise  # This exception can be suppressed by _distutils_hack

    if importlib_metadata is metadata:
        return
    to_remove = [
        ob
        for ob in sys.meta_path
        if isinstance(ob, importlib_metadata.MetadataPathFinder)
    ]
    for item in to_remove:
        sys.meta_path.remove(item)


if sys.version_info < (3, 10):
    from setuptools.extern import importlib_metadata as metadata

    disable_importlib_metadata_finder(metadata)
else:
    import importlib.metadata as metadata  # noqa: F401


if sys.version_info < (3, 9):
    from setuptools.extern import importlib_resources as resources
else:
    import importlib.resources as resources  # noqa: F401