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docs: Document __objclass__. Closes #19281. 

Initial patch by Nick Coghlan
This commit is contained in:
Yury Selivanov 2014-04-08 12:04:04 -04:00
parent 67ae50ee1c
commit b9aa8cb0c7
1 changed files with 8 additions and 0 deletions
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Doc/reference/datamodel.rst
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@ -1467,6 +1467,14 @@ class' :attr:`__dict__`.
Called to delete the attribute on an instance *instance* of the owner class.
The :attr:`__objclass__` is interpreted by the :mod:`inspect` module as
specifying the class where this object was defined (setting this appropriately
can assist in runtime introspection of dynamic class attributes). For callables,
it may indicate that an instance of the given type (or a subclass) is expected
or required as the first positional argument (for example, CPython sets this
attribute for unbound methods that are implemented in C).
.. _descriptor-invocation:
Invoking Descriptors