8000 PEP 749: Mark as Accepted by JelleZijlstra · Pull Request #4406 · python/peps · GitHub
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PEP 749: Mark as Accepted #4406

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merged 3 commits into from
May 6, 2025
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PEP 749: Mark as Accepted #4406

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PEP 749: Mark as Accepted
JelleZijlstra May 6, 2025
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JelleZijlstra May 6, 2025
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JelleZijlstra May 6, 2025
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11 changes: 7 additions & 4 deletions peps/pep-0749.rst
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Expand Up @@ -2,13 +2,14 @@ PEP: 749
Title: Implementing PEP 649
Author: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Discussions-To: https://discuss.python.org/t/pep-749-implementing-pep-649/54974
Status: Draft
Status: Accepted
Type: Standards Track
Topic: Typing
Requires: 649
Created: 28-May-2024
Python-Version: 3.14
Post-History: `04-Jun-2024 <https://discuss.python.org/t/pep-749-implementing-pep-649/54974>`__
Resolution: `05-May-2025 <https://discuss.python.org/t/pep-749-implementing-pep-649/54974/66>`__


Abstract
Expand Down Expand Up @@ -633,7 +634,9 @@ Specification
An additional format, ``VALUE_WITH_FAKE_GLOBALS``, is added to the ``Format`` enum in the
``annotationlib`` module, with value equal to 2. (As a result, the values of the
other formats will shift relative to PEP 649: ``FORWARDREF`` will be 3 and ``SOURCE``
will be 4.)
will be 4.) The integer values of these formats are specified for use in places where
the enum is not readily available, such as in ``__annotate__`` functions implemented
in C.

Compiler-generated
annotate functions will support this format and return the same value as
Expand Down Expand Up @@ -875,9 +878,9 @@ print an empty dictionary twice, because the ``__annotate__`` function
is set only when module execution is complete. This is obviously
unintuitive.
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This is perhaps not important anymore now that the PEP is accepted, but you might want to change this sentence, given that the "obviously unintuitive" behaviour is now what PEP 749 implements.

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It's not what's currently implemented.


See `python/cpython#130907`__ for implementation.
See `python/cpython#131550`__ for implementation.

__ https://github.com/python/cpython/issue/130907
__ https://github.com/python/cpython/pull/131550

Specification
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