8000 gh-85160: Reduce memory usage of `singledispatchmethod` when owner instances cannot be weakref'd by AlexWaygood · Pull Request #107706 · python/cpython · GitHub
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gh-85160: Reduce memory usage of singledispatchmethod when owner instances cannot be weakref'd #107706

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Merged
merged 2 commits into from
Aug 7, 2023
Merged

gh-85160: Reduce memory usage of singledispatchmethod when owner instances cannot be weakref'd #107706

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gh-85160: Reduce memory usage of `singledispatchmethod` when instance…
AlexWaygood Aug 7, 2023
3d8d4ba
Get rid of `_all_weakrefable_instances`
AlexWaygood Aug 7, 2023
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gh-85160: Reduce memory usage of singledispatchmethod when instance… 
…s cannot be weakref'd
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@AlexWaygood
AlexWaygood committed Aug 7, 2023
commit bfce05c281b571211e5acb7bec9d50f9969a37af
1 change: 1 addition & 0 deletions Lib/functools.py
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Expand Up @@ -950,6 +950,7 @@ def __get__(self, obj, cls=None):
_method = self._method_cache[obj]
except TypeError:
self._all_weakrefable_instances = False
del self._method_cache
except KeyError:
pass
else:
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