https://github.com/python/cpython/commit/bd4046f4f869039a1a2ebe2d1d18bfbc2a2951b6
commit: bd4046f4f869039a1a2ebe2d1d18bfbc2a2951b6
branch: main
author: Alex Kautz <[email protected]>
committer: JelleZijlstra <[email protected]>
date: 2025-05-22T06:46:29-07:00
summary:
gh-134370: Added clarification on instance annotations (#134387)
Instances of classes cannot have annotations,
however sometimes they will erroneously have the
__annotations__ attribute
files:
M Doc/howto/annotations.rst
diff --git a/Doc/howto/annotations.rst b/Doc/howto/annotations.rst
index 78f3704ba5d000..d7deb6c6bc1768 100644
--- a/Doc/howto/annotations.rst
+++ b/Doc/howto/annotations.rst
@@ -248,4 +248,9 @@ quirks by using :func:`annotationlib.get_annotations` on
Python 3.14+ or
:func:`inspect.get_annotations` on Python 3.10+. On earlier versions of
Python, you can avoid these bugs by accessing the annotations from the
class's :attr:`~type.__dict__`
-(e.g., ``cls.__dict__.get('__annotations__', None)``).
+(for example, ``cls.__dict__.get('__annotations__', None)``).
+
+In some versions of Python, instances of classes may have an
``__annotations__``
+attribute. However, this is not supported functionality. If you need the
+annotations of an instance, you can use :func:`type` to access its class
+(for example, ``annotationlib.get_annotations(type(myinstance))`` on Python
3.14+).
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