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"""
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)