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GH-96079 Fix missing field name for _AnnotatedAlias (#96080)

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Anh71me 2022-09-01 07:02:24 +08:00 committed by GitHub
parent 615537e62f
commit 0cd33e11fe
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3 changed files with 6 additions and 1 deletions
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1
Lib/test/test_typing.py
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@ -7143,6 +7143,7 @@ class SpecialAttrsTests(BaseTestCase):
typing.Self: 'Self',
# Subscribed special forms
typing.Annotated[Any, "Annotation"]: 'Annotated',
typing.Annotated[int, 'Annotation']: 'Annotated',
typing.ClassVar[Any]: 'ClassVar',
typing.Concatenate[Any, SpecialAttrsP]: 'Concatenate',
typing.Final[Any]: 'Final',

5
Lib/typing.py
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@ -2101,7 +2101,7 @@ class _AnnotatedAlias(_NotIterable, _GenericAlias, _root=True):
if isinstance(origin, _AnnotatedAlias):
metadata = origin.__metadata__ + metadata
origin = origin.__origin__
super().__init__(origin, origin)
super().__init__(origin, origin, name='Annotated')
self.__metadata__ = metadata
def copy_with(self, params):
@ -2134,6 +2134,9 @@ class _AnnotatedAlias(_NotIterable, _GenericAlias, _root=True):
return 'Annotated'
return super().__getattr__(attr)
def __mro_entries__(self, bases):
return (self.__origin__,)
class Annotated:
"""Add context specific metadata to a type.

1
Misc/NEWS.d/next/Library/2022-08-31-11-10-21.gh-issue-96079.uqrXdJ.rst Normal file
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@ -0,0 +1 @@
In :mod:`typing`, fix missing field ``name`` and incorrect ``__module__`` in _AnnotatedAlias.