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gh-132493: Support deferred annotations in Protocols (#132494)

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Jelle Zijlstra 2025-04-15 10:14:27 -07:00 • committed by GitHub
parent 818b6a9ead
commit 666eeda13d
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3 changed files with 14 additions and 1 deletions
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4
Lib/typing.py
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@ -1801,7 +1801,9 @@ def _get_protocol_attrs(cls):
for base in cls.__mro__[:-1]: # without object
if base.__name__ in {'Protocol', 'Generic'}:
continue
annotations = getattr(base, '__annotations__', {})
annotations = _lazy_annotationlib.get_annotations(
base, format=_lazy_annotationlib.Format.FORWARDREF
)
for attr in (*base.__dict__, *annotations):
if not attr.startswith('_abc_') and attr not in EXCLUDED_ATTRIBUTES:
attrs.add(attr)