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[3.10] bpo-46333: Honor module parameter in ForwardRef (GH-30536) (GH-31379)

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The `module` parameter carries semantic information about the forward ref.
Forward refs are different if they refer to different module even if they
have the same name. This affects the `__eq__`, `__repr__` and `__hash__` methods.

Co-authored-by: Andreas Hangauer <andreas.hangauer@siemens.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
(cherry picked from commit 6e7b813195)


Co-authored-by: aha79 <34090357+aha79@users.noreply.github.com>

Automerge-Triggered-By: GH:JelleZijlstra
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Miss Islington (bot) 2022-02-16 19:53:03 -08:00 • committed by GitHub
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commit a17d59a6df
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4 changed files with 20 additions and 2 deletions
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Lib/typing.py
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@ -705,10 +705,11 @@ class ForwardRef(_Final, _root=True):
if self.__forward_evaluated__ and other.__forward_evaluated__:
return (self.__forward_arg__ == other.__forward_arg__ and
self.__forward_value__ == other.__forward_value__)
return self.__forward_arg__ == other.__forward_arg__
return (self.__forward_arg__ == other.__forward_arg__ and
self.__forward_module__ == other.__forward_module__)
def __hash__(self):
return hash(self.__forward_arg__)
return hash((self.__forward_arg__, self.__forward_module__))
def __repr__(self):
return f'ForwardRef({self.__forward_arg__!r})'