[3.12] gh-105071: add PyUnstable_Exc_PrepReraiseStar to expose except* implementation in the unstable API (GH-105072) (#105095)

(cherry picked from commit b7aadb4583b040ddc8564896b91f4e5e571c82d6)

2 files changed, 49 insertions, 1 deletions

diff --git a/Modules/_testcapi/clinic/exceptions.c.h b/Modules/_testcapi/clinic/exceptions.c.h
index 2cc4ef3..01730ff 100644
--- a/Modules/_testcapi/clinic/exceptions.c.h
+++ b/Modules/_testcapi/clinic/exceptions.c.h
@@ -395,4 +395,35 @@ _testcapi_traceback_print(PyObject *module, PyObject *const *args, Py_ssize_t na
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=ec1b2e62adea9846 input=a9049054013a1b77]*/
+
+PyDoc_STRVAR(_testcapi_unstable_exc_prep_reraise_star__doc__,
+"unstable_exc_prep_reraise_star($module, orig, excs, /)\n"
+"--\n"
+"\n"
+"To test PyUnstable_Exc_PrepReraiseStar.");
+
+#define _TESTCAPI_UNSTABLE_EXC_PREP_RERAISE_STAR_METHODDEF    \
+    {"unstable_exc_prep_reraise_star", _PyCFunction_CAST(_testcapi_unstable_exc_prep_reraise_star), METH_FASTCALL, _testcapi_unstable_exc_prep_reraise_star__doc__},
+
+static PyObject *
+_testcapi_unstable_exc_prep_reraise_star_impl(PyObject *module,
+                                              PyObject *orig, PyObject *excs);
+
+static PyObject *
+_testcapi_unstable_exc_prep_reraise_star(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    PyObject *orig;
+    PyObject *excs;
+
+    if (!_PyArg_CheckPositional("unstable_exc_prep_reraise_star", nargs, 2, 2)) {
+        goto exit;
+    }
+    orig = args[0];
+    excs = args[1];
+    return_value = _testcapi_unstable_exc_prep_reraise_star_impl(module, orig, excs);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=fd6aef54f195c77b input=a9049054013a1b77]*/
diff --git a/Modules/_testcapi/exceptions.c b/Modules/_testcapi/exceptions.c
index 0a9902c..a627bf1 100644
--- a/Modules/_testcapi/exceptions.c
+++ b/Modules/_testcapi/exceptions.c
@@ -288,6 +288,22 @@ _testcapi_traceback_print_impl(PyObject *module, PyObject *traceback,
     Py_RETURN_NONE;
 }
 
+/*[clinic input]
+_testcapi.unstable_exc_prep_reraise_star
+    orig: object
+    excs: object
+    /
+To test PyUnstable_Exc_PrepReraiseStar.
+[clinic start generated code]*/
+
+static PyObject *
+_testcapi_unstable_exc_prep_reraise_star_impl(PyObject *module,
+                                              PyObject *orig, PyObject *excs)
+/*[clinic end generated code: output=850cf008e0563c77 input=27fbcda2203eb301]*/
+{
+    return PyUnstable_Exc_PrepReraiseStar(orig, excs);
+}
+
 
 /*
  * Define the PyRecurdingInfinitelyError_Type
@@ -328,6 +344,7 @@ static PyMethodDef test_methods[] = {
     _TESTCAPI_SET_EXCEPTION_METHODDEF
     _TESTCAPI_TRACEBACK_PRINT_METHODDEF
     _TESTCAPI_WRITE_UNRAISABLE_EXC_METHODDEF
+    _TESTCAPI_UNSTABLE_EXC_PREP_RERAISE_STAR_METHODDEF
     {NULL},
 };