1 files changed, 47 insertions, 0 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 9ec2521..bf9a96f 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -645,6 +645,49 @@ sys_setrecursionlimit(PyObject *self, PyObject *args)
     return Py_None;
 }
 
+static PyObject *
+sys_set_coroutine_wrapper(PyObject *self, PyObject *wrapper)
+{
+    if (wrapper != Py_None) {
+        if (!PyCallable_Check(wrapper)) {
+            PyErr_Format(PyExc_TypeError,
+                         "callable expected, got %.50s",
+                         Py_TYPE(wrapper)->tp_name);
+            return NULL;
+        }
+
+        PyEval_SetCoroutineWrapper(wrapper);
+    }
+    else
+        PyEval_SetCoroutineWrapper(NULL);
+    Py_INCREF(Py_None);
+    Py_RETURN_NONE;
+}
+
+PyDoc_STRVAR(set_coroutine_wrapper_doc,
+"set_coroutine_wrapper(wrapper)\n\
+\n\
+Set a wrapper for coroutine objects."
+);
+
+static PyObject *
+sys_get_coroutine_wrapper(PyObject *self, PyObject *args)
+{
+    PyObject *wrapper = PyEval_GetCoroutineWrapper();
+    if (wrapper == NULL) {
+        wrapper = Py_None;
+    }
+    Py_INCREF(wrapper);
+    return wrapper;
+}
+
+PyDoc_STRVAR(get_coroutine_wrapper_doc,
+"get_coroutine_wrapper()\n\
+\n\
+Return the wrapper for coroutine objects set by sys.set_coroutine_wrapper."
+);
+
+
 static PyTypeObject Hash_InfoType;
 
 PyDoc_STRVAR(hash_info_doc,
@@ -1215,6 +1258,10 @@ static PyMethodDef sys_methods[] = {
     {"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc},
     {"_debugmallocstats", sys_debugmallocstats, METH_NOARGS,
      debugmallocstats_doc},
+    {"set_coroutine_wrapper", sys_set_coroutine_wrapper, METH_O,
+     set_coroutine_wrapper_doc},
+    {"get_coroutine_wrapper", sys_get_coroutine_wrapper, METH_NOARGS,
+     get_coroutine_wrapper_doc},
     {NULL,              NULL}           /* sentinel */
 };