GH-89091: raise `RuntimeWarning` for unawaited async generator methods (#104611)

1 files changed, 14 insertions, 0 deletions

diff --git a/Python/_warnings.c b/Python/_warnings.c
index dec6586..54fa5c5 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -1366,6 +1366,20 @@ exit:
 }
 
 void
+_PyErr_WarnUnawaitedAgenMethod(PyAsyncGenObject *agen, PyObject *method)
+{
+    PyObject *exc = PyErr_GetRaisedException();
+    if (_PyErr_WarnFormat((PyObject *)agen, PyExc_RuntimeWarning, 1,
+                          "coroutine method %R of %R was never awaited",
+                          method, agen->ag_qualname) < 0)
+    {
+        PyErr_WriteUnraisable((PyObject *)agen);
+    }
+    PyErr_SetRaisedException(exc);
+}
+
+
+void
 _PyErr_WarnUnawaitedCoroutine(PyObject *coro)
 {
     /* First, we attempt to funnel the warning through