From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Thu, 21 Dec 2023 22:01:25 +0000 (+0100)
Subject: [3.11] gh-113313: Note that slice support is not required for all sequences. (gh... 
X-Git-Tag: v3.11.8~237
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=beb1c6506c8ff77ddc73f763e94122640f0feb8d;p=thirdparty%2FPython%2Fcpython.git

[3.11] gh-113313: Note that slice support is not required for all sequences. (gh-113377) (gh-113383)
---

diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index 4f25579cbcfb..1c2324d77cd4 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -2782,9 +2782,9 @@ through the object's keys; for sequences, it should iterate through the values.
 .. method:: object.__getitem__(self, key)
 
    Called to implement evaluation of ``self[key]``. For :term:`sequence` types,
-   the accepted keys should be integers and slice objects.  Note that the
-   special interpretation of negative indexes (if the class wishes to emulate a
-   :term:`sequence` type) is up to the :meth:`__getitem__` method. If *key* is
+   the accepted keys should be integers. Optionally, they may support
+   :class:`slice` objects as well.  Negative index support is also optional.
+   If *key* is
    of an inappropriate type, :exc:`TypeError` may be raised; if *key* is a value
    outside the set of indexes for the sequence (after any special
    interpretation of negative values), :exc:`IndexError` should be raised. For