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bpo-38336: Remove the __set__ method restriction on data descriptors for attribute lookup precedence (GH-16520)

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Géry Ogam 2019-10-29 08:04:01 +01:00 • committed by Raymond Hettinger
parent 0078a0c2a5
commit 4c155f738d
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Doc/reference/datamodel.rst
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@ -1716,7 +1716,7 @@ the descriptor defines :meth:`__set__` and/or :meth:`__delete__`, it is a data
descriptor; if it defines neither, it is a non-data descriptor. Normally, data
descriptors define both :meth:`__get__` and :meth:`__set__`, while non-data
descriptors have just the :meth:`__get__` method. Data descriptors with
:meth:`__set__` and :meth:`__get__` defined always override a redefinition in an
:meth:`__get__` and :meth:`__set__` (and/or :meth:`__delete__`) defined always override a redefinition in an
instance dictionary. In contrast, non-data descriptors can be overridden by
instances.