36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
"""
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Compatibility layer with Python 3.8/3.9
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"""
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from typing import TYPE_CHECKING, Any, Optional
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if TYPE_CHECKING: # pragma: no cover
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# Prevent circular imports on runtime.
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from . import Distribution, EntryPoint
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else:
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Distribution = EntryPoint = Any
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def normalized_name(dist: Distribution) -> Optional[str]:
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"""
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Honor name normalization for distributions that don't provide ``_normalized_name``.
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"""
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try:
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return dist._normalized_name
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except AttributeError:
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from . import Prepared # -> delay to prevent circular imports.
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return Prepared.normalize(getattr(dist, "name", None) or dist.metadata['Name'])
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def ep_matches(ep: EntryPoint, **params) -> bool:
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"""
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Workaround for ``EntryPoint`` objects without the ``matches`` method.
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"""
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try:
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return ep.matches(**params)
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except AttributeError:
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from . import EntryPoint # -> delay to prevent circular imports.
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# Reconstruct the EntryPoint object to make sure it is compatible.
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return EntryPoint(ep.name, ep.value, ep.group).matches(**params)
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