[Python-checkins] bpo-38255: super() can search attributes as well as methods (GH-16368) (GH-16392)
Raymond Hettinger
webhook-mailer at python.org
Wed Sep 25 11:24:28 EDT 2019
https://github.com/python/cpython/commit/3b5e9241142d6b7c22059115c0e68a8912753818
commit: 3b5e9241142d6b7c22059115c0e68a8912753818
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: Raymond Hettinger <rhettinger at users.noreply.github.com>
date: 2019-09-25T08:24:24-07:00
summary:
bpo-38255: super() can search attributes as well as methods (GH-16368) (GH-16392)
Improvement suggested by Géry Ogam.
(cherry picked from commit 15ccc4fac09b866d61b069c6c136aabfe4bac09c)
Co-authored-by: Raymond Hettinger <rhettinger at users.noreply.github.com>
files:
M Doc/library/functions.rst
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 313dbffdcde9..06ba323ca30c 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1532,6 +1532,10 @@ are always available. They are listed here in alphabetical order.
super().method(arg) # This does the same thing as:
# super(C, self).method(arg)
+ In addition to method lookups, :func:`super` also works for attribute
+ lookups. One possible use case for this is calling :term:`descriptor`\s
+ in a parent or sibling class.
+
Note that :func:`super` is implemented as part of the binding process for
explicit dotted attribute lookups such as ``super().__getitem__(name)``.
It does so by implementing its own :meth:`__getattribute__` method for searching
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