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Issue #28410: Keep the traceback of original exception in _PyErr_ChainExceptions().

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Serhiy Storchaka 2016-10-21 16:20:43 +03:00
parent 0a421a28f8 9e373be1bc
commit b0426cd8c4
1 changed files with 4 additions and 1 deletions
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5
Python/errors.c
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@ -387,8 +387,11 @@ _PyErr_ChainExceptions(PyObject *exc, PyObject *val, PyObject *tb)
PyObject *exc2, *val2, *tb2; PyObject *exc2, *val2, *tb2;
PyErr_Fetch(&exc2, &val2, &tb2); PyErr_Fetch(&exc2, &val2, &tb2);
PyErr_NormalizeException(&exc, &val, &tb); PyErr_NormalizeException(&exc, &val, &tb);
if (tb != NULL) {
PyException_SetTraceback(val, tb);
Py_DECREF(tb);
}
Py_DECREF(exc); Py_DECREF(exc);
Py_XDECREF(tb);
PyErr_NormalizeException(&exc2, &val2, &tb2); PyErr_NormalizeException(&exc2, &val2, &tb2);
PyException_SetContext(val2, val); PyException_SetContext(val2, val);
PyErr_Restore(exc2, val2, tb2); PyErr_Restore(exc2, val2, tb2);