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gh-105866: fix dataclass with slots=True, weakref_slot=True (#105870)

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Co-authored-by: Carl Meyer <carl@oddbird.net>
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Aviel Boag 2024-03-19 02:53:14 +02:00 • committed by GitHub
parent 1d82a41235
commit a22d05f04c
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3 changed files with 15 additions and 1 deletions
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4
Lib/dataclasses.py
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@ -1159,8 +1159,10 @@ def _dataclass_setstate(self, state):
def _get_slots(cls):
match cls.__dict__.get('__slots__'):
# A class which does not define __slots__ at all is equivalent
# to a class defining __slots__ = ('__dict__', '__weakref__')
case None:
return
yield from ('__dict__', '__weakref__')
case str(slot):
yield slot
# Slots may be any iterable, but we cannot handle an iterator