[Python-checkins] bpo-15243: Document __prepare__ as classmethod (GH-17124)

Berker Peksag webhook-mailer at python.org
Sat Jan 25 14:04:21 EST 2020

commit: 321491a536c378227f9d574703f7c06f89c67dcf
branch: 3.8
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: Berker Peksag <berker.peksag at gmail.com>
date: 2020-01-25T22:04:16+03:00

bpo-15243: Document __prepare__ as classmethod (GH-17124)

(cherry picked from commit 7de617455ed788e6730c40cf854c4b72b0432194)

Co-authored-by: alclarks <57201106+alclarks at users.noreply.github.com>

M Doc/reference/datamodel.rst

diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index e801ee392f195..7b3bf0d2f5f36 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1945,7 +1945,8 @@ Preparing the class namespace
 Once the appropriate metaclass has been identified, then the class namespace
 is prepared. If the metaclass has a ``__prepare__`` attribute, it is called
 as ``namespace = metaclass.__prepare__(name, bases, **kwds)`` (where the
-additional keyword arguments, if any, come from the class definition).
+additional keyword arguments, if any, come from the class definition). The
+``__prepare__`` method should be implemented as a :func:`classmethod`.
 If the metaclass has no ``__prepare__`` attribute, then the class namespace
 is initialised as an empty ordered mapping.

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