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gh-137210: Add a struct, slot & function for checking an extension's ABI #137212

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Merged
encukou merged 18 commits into from
Sep 5, 2025
Merged

gh-137210: Add a struct, slot & function for checking an extension's ABI #137212

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894ef3d
Add _PyUnicodeWriter_FormatV
encukou Jul 24, 2025
72349ba
Add capi test file for modsupport
encukou Jul 24, 2025
3b6aa96
Add PyABIInfo
encukou Jul 24, 2025
c015606
Add _Py_INTERNAL_ABI_SLOT (to _datetime for now)
encukou Jul 24, 2025
c5740af
Add docs
encukou Jul 29, 2025
da293e3
Add to limited API manifest
encukou Jul 29, 2025
44df416
Un-document PyABIInfo_FREETHREADING_AGNOSTIC for now
encukou Jul 29, 2025
feb428d
Blurb & What's New
encukou Jul 29, 2025
aa1eb4a
Fix docs
encukou Jul 29, 2025
b628d7d
Remove duplicated test
encukou Jul 29, 2025
4800a5d
Apply suggestions from code review
encukou Jul 30, 2025
4c9e918
Casts to avoid data loss warnings
encukou Jul 30, 2025
1b18761
Use hex literal for 3.15
encukou Aug 7, 2025
814ac60
Merge in the main branch
encukou Aug 7, 2025
f6f5b1d
Merge in the main branch
encukou Aug 26, 2025
2644080
Add example of intended usage before the API documentation
encukou Aug 26, 2025
cb0309f
Restore changelog / comments for PYTHON_API_VERSION
encukou Aug 26, 2025
7492e16
Merge branch 'main' into abiinfo-slot
encukou Sep 5, 2025
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Blurb & What's New
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@encukou
encukou committed Jul 29, 2025
commit feb428d5f8415251f0ea6fc6d74fb574947ba8d1
5 changes: 5 additions & 0 deletions Doc/whatsnew/3.15.rst
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Expand Up @@ -516,6 +516,11 @@ New features
a string. See the documentation for caveats.
(Contributed by Petr Viktorin in :gh:`131510`)

* Add API for checking an extension module's ABI compatibility:
:c:data:`Py_mod_abi`, :c:func:`PyABIInfo_Check`, :c:macro:`PyABIInfo_VAR`
and :c:data:`Py_mod_abi`.
(Contributed by Petr Viktorin in :gh:`137210`)


Porting to Python 3.15
----------------------
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/C_API/2025-07-29-18-00-22.gh-issue-137210.DD4VEm.rst
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@@ -0,0 +1,3 @@
Add API for checking an extension module's ABI compatibility:
:c:data:`Py_mod_abi`, :c:func:`PyABIInfo_Check`, :c:macro:`PyABIInfo_VAR`
and :c:data:`Py_mod_abi`.