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PyUnstable_SetImmortal() is not available on the limited C API #212

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Merged
vstinner merged 1 commit into from
Nov 14, 2026
+6 −1
Merged

PyUnstable_SetImmortal() is not available on the limited C API #212

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2 changes: 2 additions & 0 deletions docs/api.rst
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Expand Up @@ -349,6 +349,8 @@ Python 3.14

Not available on PyPy. ``Py_REFCNT()`` semantics is different on PyPy.

Not available on the limited C API.

.. c:function:: void PyUnstable_EnableTryIncRef(PyObject *op)

See `PyUnstable_EnableTryIncRef() documentation <https://docs.python.org/dev/c-api/object.html#c.PyUnstable_EnableTryIncRef>`__.
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4 changes: 3 additions & 1 deletion pythoncapi_compat.h
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Expand Up @@ -2543,7 +2543,9 @@ static inline int PyUnstable_Object_IsUniquelyReferenced(PyObject *obj)
// gh-128926 added PyUnstable_TryIncRef() and PyUnstable_EnableTryIncRef() to
// Python 3.14. Adapted from _Py_TryIncref() and _PyObject_SetMaybeWeakref().
// Not available on PyPy: Py_REFCNT() semantics is different on PyPy.
#if PY_VERSION_HEX < _Py_PACK_VERSION(3, 14) && !defined(PYPY_VERSION)
// Not available on the limited C API.
#if (PY_VERSION_HEX < _Py_PACK_VERSION(3, 14) \
&& !defined(PYPY_VERSION) && !defined(Py_LIMITED_API))
static inline int PyUnstable_TryIncRef(PyObject *op)
{
#ifndef Py_GIL_DISABLED
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1 change: 1 addition & 0 deletions tests/test_pythoncapi_compat_cext.c
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Expand Up @@ -2593,6 +2593,7 @@ test_try_incref(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
#endif // !defined(PYPY_VERSION) && !defined(Py_LIMITED_API)


// Test PyUnstable_SetImmortal()
#if (_Py_PACK_VERSION(3, 13) <= PY_VERSION_HEX \
&& !defined(PYPY_VERSION) && !defined(Py_LIMITED_API))
static PyObject *
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