python · vstinner · Mar 25, 2024 · Mar 17, 2024
diff --git a/Doc/data/stable_abi.dat b/Doc/data/stable_abi.dat
diff --git a/Doc/whatsnew/3.13.rst b/Doc/whatsnew/3.13.rst
@@ -1742,6 +1742,9 @@ New Features
   :term:`strong reference` to the constant zero.
   (Contributed by Victor Stinner in :gh:`115754`.)
 
+* Add :c:func:`PyType_GetModuleByDef` to the limited C API
+  (Contributed by Victor Stinner in :gh:`116936`.)
+
 
 Porting to Python 3.13
 ----------------------

diff --git a/Include/cpython/object.h b/Include/cpython/object.h
@@ -275,7 +275,6 @@ typedef struct _heaptypeobject {
 
 PyAPI_FUNC(const char *) _PyType_Name(PyTypeObject *);
 PyAPI_FUNC(PyObject *) _PyType_Lookup(PyTypeObject *, PyObject *);
-PyAPI_FUNC(PyObject *) PyType_GetModuleByDef(PyTypeObject *, PyModuleDef *);
 PyAPI_FUNC(PyObject *) PyType_GetDict(PyTypeObject *);
 
 PyAPI_FUNC(int) PyObject_Print(PyObject *, FILE *, int);

diff --git a/Include/object.h b/Include/object.h
@@ -1247,6 +1247,10 @@ static inline int PyType_CheckExact(PyObject *op) {
 #  define PyType_CheckExact(op) PyType_CheckExact(_PyObject_CAST(op))
 #endif
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030d0000
+PyAPI_FUNC(PyObject *) PyType_GetModuleByDef(PyTypeObject *, PyModuleDef *);
+#endif
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/Lib/test/test_stable_abi_ctypes.py b/Lib/test/test_stable_abi_ctypes.py
diff --git a/Misc/NEWS.d/next/C API/2024-03-17-22-42-21.gh-issue-116936.tNrzfm.rst b/Misc/NEWS.d/next/C API/2024-03-17-22-42-21.gh-issue-116936.tNrzfm.rst
@@ -0,0 +1,2 @@
+Add :c:func:`PyType_GetModuleByDef` to the limited C API. Patch by Victor
+Stinner.
@@ -2504,3 +2504,5 @@
     added = '3.13'
 [function.Py_GetConstantBorrowed]
     added = '3.13'
+[function.PyType_GetModuleByDef]
+    added = '3.13'