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

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Merged
rhettinger merged 3 commits into from
Oct 29, 2019
Merged

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

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1647bf0
Update datamodel.rst
geryogam Oct 1, 2019
efc12ad
Update datamodel.rst
geryogam Oct 28, 2019
71c5c5a
Update datamodel.rst
geryogam Oct 29, 2019
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2 changes: 1 addition & 1 deletion Doc/reference/datamodel.rst
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Expand Up @@ -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.

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