diff options
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/_asynciomodule.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/Modules/_asynciomodule.c b/Modules/_asynciomodule.c index d1d9c5425e..d9fe63d320 100644 --- a/Modules/_asynciomodule.c +++ b/Modules/_asynciomodule.c @@ -787,9 +787,26 @@ FutureIter_iternext(futureiterobject *it) res = FutureObj_result(fut, NULL); if (res != NULL) { - // normal result - PyErr_SetObject(PyExc_StopIteration, res); + /* The result of the Future is not an exception. + + We cunstruct an exception instance manually with + PyObject_CallFunctionObjArgs and pass it to PyErr_SetObject + (similarly to what genobject.c does). + + This is to handle a situation when "res" is a tuple, in which + case PyErr_SetObject would set the value of StopIteration to + the first element of the tuple. + + (See PyErr_SetObject/_PyErr_CreateException code for details.) + */ + PyObject *e = PyObject_CallFunctionObjArgs( + PyExc_StopIteration, res, NULL); Py_DECREF(res); + if (e == NULL) { + return NULL; + } + PyErr_SetObject(PyExc_StopIteration, e); + Py_DECREF(e); } it->future = NULL; |