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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2023-03-14 02:32:09 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-03-14 02:32:09 -0700 |
| commit | 1f7eb8fe6c1a566caf934a96c6fe2877b2447d5b (patch) | |
| tree | b561dc0af7e764f6b4f46f9c300e1da3d41ea9ab /Doc/reference | |
| parent | 0f46d42eb9fed0f11ec68e8782a3cbcb891d7ba0 (diff) | |
| download | cpython3-1f7eb8fe6c1a566caf934a96c6fe2877b2447d5b.tar.gz | |
gh-100315: clarification to `__slots__` docs. (GH-102621)
refer to tp_itemsize in discussion on "variable-length" built-in types
(cherry picked from commit 88c262c086077377b40dfae5e46f597e28ffe3c9)
Co-authored-by: T <tnie@tuta.io>
Diffstat (limited to 'Doc/reference')
| -rw-r--r-- | Doc/reference/datamodel.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index e94b535901..87c538f6f2 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -1944,8 +1944,10 @@ Notes on using *__slots__* descriptor directly from the base class). This renders the meaning of the program undefined. In the future, a check may be added to prevent this. -* Nonempty *__slots__* does not work for classes derived from "variable-length" - built-in types such as :class:`int`, :class:`bytes` and :class:`tuple`. +* :exc:`TypeError` will be raised if nonempty *__slots__* are defined for a + class derived from a + :c:member:`"variable-length" built-in type <PyTypeObject.tp_itemsize>` such as + :class:`int`, :class:`bytes`, and :class:`tuple`. * Any non-string :term:`iterable` may be assigned to *__slots__*. |