- if (!PyArg_ParseTuple(arg, "Oi:__init__", &me, &err) ||
- (x = PyInt_FromLong(err)) == 0 ||
- PyObject_SetAttrString(me, "err", x))
- goto fail;
- Py_DECREF(x); x = 0;
- if ((x = PyString_FromString(key_strerror(err))) == 0 ||
- PyObject_SetAttrString(me, "errstring", x))
- goto fail;
+ n = PyTuple_GET_SIZE(arg);
+ if (n < 2) TYERR("__init__() takes at least two arguments");
+ me = PyTuple_GET_ITEM(arg, 0);
+ err = PyInt_AsLong(PyTuple_GET_ITEM(arg, 1));
+ if (err == -1 && PyErr_Occurred()) goto end;
+ if (INT_MIN > err || err > INT_MAX) OVFERR("error code out of range");
+
+ x = PyInt_FromLong(err); if (!x) goto end;
+ if (PyObject_SetAttrString(me, "err", x)) goto end;