diff options
Diffstat (limited to 'Python')
-rw-r--r-- | Python/errors.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/Python/errors.c b/Python/errors.c index f573bed..bbf6d39 100644 --- a/Python/errors.c +++ b/Python/errors.c @@ -149,9 +149,16 @@ _PyErr_SetObject(PyThreadState *tstate, PyObject *exception, PyObject *value) exception); return; } - Py_XINCREF(value); /* Normalize the exception */ - if (value == NULL || (PyObject *)Py_TYPE(value) != exception) { + int is_subclass = 0; + if (value != NULL && PyExceptionInstance_Check(value)) { + is_subclass = PyObject_IsSubclass((PyObject *)Py_TYPE(value), exception); + if (is_subclass < 0) { + return; + } + } + Py_XINCREF(value); + if (!is_subclass) { /* We must normalize the value right now */ PyObject *fixed_value; @@ -206,9 +213,10 @@ _PyErr_SetObject(PyThreadState *tstate, PyObject *exception, PyObject *value) Py_DECREF(exc_value); } } - if (value != NULL && PyExceptionInstance_Check(value)) + assert(value != NULL); + if (PyExceptionInstance_Check(value)) tb = PyException_GetTraceback(value); - _PyErr_Restore(tstate, Py_XNewRef(exception), value, tb); + _PyErr_Restore(tstate, Py_NewRef(Py_TYPE(value)), value, tb); } void |