diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/errors.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Python/errors.c b/Python/errors.c index 996292a..a980481 100644 --- a/Python/errors.c +++ b/Python/errors.c @@ -384,6 +384,30 @@ PyErr_SetExcInfo(PyObject *p_type, PyObject *p_value, PyObject *p_traceback) Py_XDECREF(oldtraceback); } +/* Like PyErr_Restore(), but if an exception is already set, + set the context associated with it. + */ +void +_PyErr_ChainExceptions(PyObject *exc, PyObject *val, PyObject *tb) +{ + if (exc == NULL) + return; + + if (PyErr_Occurred()) { + PyObject *exc2, *val2, *tb2; + PyErr_Fetch(&exc2, &val2, &tb2); + PyErr_NormalizeException(&exc, &val, &tb); + Py_DECREF(exc); + Py_XDECREF(tb); + PyErr_NormalizeException(&exc2, &val2, &tb2); + PyException_SetContext(val2, val); + PyErr_Restore(exc2, val2, tb2); + } + else { + PyErr_Restore(exc, val, tb); + } +} + /* Convenience functions to set a type error exception and return 0 */ int |