[issue43639] Do not raise AttributeError on instance attribute update/deletion if data descriptor with missing __set__/__delete__ method found on its type

Raymond Hettinger added the comment: I'm going to decline this one. * It is arguable whether or not this behavior should have been designed in originally. However, changing it now is risky (as noted by Brett and Ethan). * Personally, I disagree with the notion of allowing a partial pass t

[issue43639] Do not raise AttributeError on instance attribute update/deletion if data descriptor with missing __set__/__delete__ method found on its type

Change by Raymond Hettinger : -- assignee: -> rhettinger ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: htt

[issue43639] Do not raise AttributeError on instance attribute update/deletion if data descriptor with missing __set__/__delete__ method found on its type

New submission from Géry : Currently, the `object.__setattr__` and `type.__setattr__` methods raise an `AttributeError` during attribute *update* on an instance if its type has an attribute which is a *data* descriptor without a `__set__` method. Likewise, the `object.__delattr__` and `type.__

[issue43639] Do not raise AttributeError on instance attribute update/deletion if data descriptor with missing __set__/__delete__ method found on its type

Change by Géry : -- keywords: +patch pull_requests: +23781 stage: -> patch review pull_request: https://github.com/python/cpython/pull/25033 ___ Python tracker ___

[issue43639] Do not raise AttributeError on instance attribute update/deletion if data descriptor with missing __set__/__delete__ method found on its type

Change by Raymond Hettinger : -- nosy: +rhettinger versions: -Python 3.6, Python 3.7, Python 3.8, Python 3.9 ___ Python tracker ___ ___