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15 changes: 15 additions & 0 deletions Lib/test/test_capi.py
Original file line number Diff line number Diff line change
Expand Up @@ -724,6 +724,21 @@ def test_export_symbols(self):
with self.subTest(name=name):
self.assertTrue(hasattr(ctypes.pythonapi, name))

def test_eval_get_func_name(self):
def function_example(): ...

class A:
def method_example(self): ...

self.assertEqual(_testcapi.eval_get_func_name(function_example),
"function_example")
self.assertEqual(_testcapi.eval_get_func_name(A.method_example),
"method_example")
self.assertEqual(_testcapi.eval_get_func_name(A().method_example),
"method_example")
self.assertEqual(_testcapi.eval_get_func_name(sum), "sum") # c function
self.assertEqual(_testcapi.eval_get_func_name(A), "type")


class TestPendingCalls(unittest.TestCase):

Expand Down
7 changes: 7 additions & 0 deletions Modules/_testcapimodule.c
Original file line number Diff line number Diff line change
Expand Up @@ -5935,6 +5935,12 @@ frame_getlasti(PyObject *self, PyObject *frame)
return PyLong_FromLong(lasti);
}

static PyObject *
eval_get_func_name(PyObject *self, PyObject *func)
{
return PyUnicode_FromString(PyEval_GetFuncName(func));
}

static PyObject *
get_feature_macros(PyObject *self, PyObject *Py_UNUSED(args))
{
Expand Down Expand Up @@ -6372,6 +6378,7 @@ static PyMethodDef TestMethods[] = {
{"frame_getgenerator", frame_getgenerator, METH_O, NULL},
{"frame_getbuiltins", frame_getbuiltins, METH_O, NULL},
{"frame_getlasti", frame_getlasti, METH_O, NULL},
{"eval_get_func_name", eval_get_func_name, METH_O, NULL},
{"get_feature_macros", get_feature_macros, METH_NOARGS, NULL},
{"test_code_api", test_code_api, METH_NOARGS, NULL},
{"settrace_to_record", settrace_to_record, METH_O, NULL},
Expand Down