[3.12] gh-124385: Document and soft-deprecate PyLong_AS_LONG (GH-124386) (#130549)

(cherry picked from commit 425587a110eb214a097c634d4b6d944ac478923e)

Co-authored-by: Petr Viktorin <encukou@gmail.com>

diff --git a/Doc/c-api/long.rst b/Doc/c-api/long.rst
index 972d69a519451186619298808e43452ce9ebeaf2..6e1cd1ece850e52dd9184c77dc9df2c4dc223494 100644 (file)
--- a/Doc/c-api/long.rst
+++ b/Doc/c-api/long.rst
@@ -135,6 +135,16 @@ distinguished from a number.  Use :c:func:`PyErr_Occurred` to disambiguate.
    .. versionchanged:: 3.10
       This function will no longer use :meth:`~object.__int__`.
 
+   .. c:namespace:: NULL
+
+   .. c:function:: long PyLong_AS_LONG(PyObject *obj)
+
+      A :term:`soft deprecated` alias.
+      Exactly equivalent to the preferred ``PyLong_AsLong``. In particular,
+      it can fail with :exc:`OverflowError` or another exception.
+
+      .. deprecated:: 3.14
+         The function is soft deprecated.
 
 .. c:function:: long PyLong_AsLongAndOverflow(PyObject *obj, int *overflow)