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[3.13] gh-140487: Fix Py_RETURN_NOTIMPLEMENTED in limited C API 3.11 (GH-140636) (GH-140670)

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Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE have already been
fixed by commit 9258f3da91 (issue gh-134989).

(cherry picked from commit c636477523)
This commit is contained in:
Victor Stinner 2025-10-27 14:43:59 +01:00 • committed by GitHub
parent 0e3b47b839
commit ec5f5418f9
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2 changed files with 9 additions and 2 deletions
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9
Include/object.h
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@ -1130,8 +1130,13 @@ PyAPI_DATA(PyObject) _Py_NotImplementedStruct; /* Don't use this directly */
# define Py_NotImplemented (&_Py_NotImplementedStruct)
#endif
/* Macro for returning Py_NotImplemented from a function */
#define Py_RETURN_NOTIMPLEMENTED return Py_NotImplemented
/* Macro for returning Py_NotImplemented from a function. Only treat
* Py_NotImplemented as immortal in the limited C API 3.12 and newer. */
#if defined(Py_LIMITED_API) && Py_LIMITED_API+0 < 0x030c0000
# define Py_RETURN_NOTIMPLEMENTED return Py_NewRef(Py_NotImplemented)
#else
# define Py_RETURN_NOTIMPLEMENTED return Py_NotImplemented
#endif
/* Rich comparison opcodes */
#define Py_LT 0

2
Misc/NEWS.d/next/C API/2025-10-26-16-45-06.gh-issue-140487.fGOqss.rst Normal file
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@ -0,0 +1,2 @@
Fix :c:macro:`Py_RETURN_NOTIMPLEMENTED` in limited C API 3.11 and older:
don't treat ``Py_NotImplemented`` as immortal. Patch by Victor Stinner.