https://github.com/python/cpython/commit/a2f1d22a362cccab59691fa4fa2b202475480b04
commit: a2f1d22a362cccab59691fa4fa2b202475480b04
branch: 3.13
author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
committer: ZeroIntensity <zintensity...@gmail.com>
date: 2025-06-28T13:07:42Z
summary:
[3.13] gh-76595: Add note on `PyCapsule_Import` behavior (GH-134022) (GH-136075)
gh-76595: Add note on `PyCapsule_Import` behavior (GH-134022)
(cherry picked from commit 579acf45629fa0b7787ec78fa4049fc6a6388b71)
Co-authored-by: Nicolas Trangez <i...@nicolast.be>
files:
M Doc/c-api/capsule.rst
diff --git a/Doc/c-api/capsule.rst b/Doc/c-api/capsule.rst
index cdb8aa33e9fd32..64dc4f5275b512 100644
--- a/Doc/c-api/capsule.rst
+++ b/Doc/c-api/capsule.rst
@@ -105,9 +105,19 @@ Refer to :ref:`using-capsules` for more information on
using these objects.
``module.attribute``. The *name* stored in the capsule must match this
string exactly.
+ This function splits *name* on the ``.`` character, and imports the first
+ element. It then processes further elements using attribute lookups.
+
Return the capsule's internal *pointer* on success. On failure, set an
exception and return ``NULL``.
+ .. note::
+
+ If *name* points to an attribute of some submodule or subpackage, this
+ submodule or subpackage must be previously imported using other means
+ (for example, by using :c:func:`PyImport_ImportModule`) for the
+ attribute lookups to succeed.
+
.. versionchanged:: 3.3
*no_block* has no effect anymore.
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