diff options
Diffstat (limited to 'third_party/python/setuptools/setuptools/_vendor/importlib_metadata/_py39compat.py')
-rw-r--r-- | third_party/python/setuptools/setuptools/_vendor/importlib_metadata/_py39compat.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/third_party/python/setuptools/setuptools/_vendor/importlib_metadata/_py39compat.py b/third_party/python/setuptools/setuptools/_vendor/importlib_metadata/_py39compat.py new file mode 100644 index 0000000000..cde4558fbb --- /dev/null +++ b/third_party/python/setuptools/setuptools/_vendor/importlib_metadata/_py39compat.py @@ -0,0 +1,35 @@ +""" +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) |