void
alert_python_error(void)
{
unsigned char *msg = "(no traceback available)";
PyObject *err_type = NULL, *err_value = NULL, *err_traceback = NULL;
PyObject *tb_module = NULL;
PyObject *msg_list = NULL;
PyObject *empty_string = NULL;
PyObject *msg_string = NULL;
unsigned char *temp;
/*
* Retrieve the current error indicator and use the format_exception()
* function in Python's traceback module to produce an informative
* error message. It returns a list of Python string objects.
*/
PyErr_Fetch(&err_type, &err_value, &err_traceback);
PyErr_NormalizeException(&err_type, &err_value, &err_traceback);
if (!err_type) goto end;
tb_module = PyImport_ImportModule("traceback");
if (!tb_module) goto end;
msg_list = PyObject_CallMethod(tb_module, "format_exception", "OOO",
err_type,
err_value ? err_value : Py_None,
err_traceback ? err_traceback : Py_None);
if (!msg_list) goto end;
/*
* Use the join() method of an empty Python string to join the list
* of strings into one Python string containing the entire error
* message. Then get the contents of the Python string.
*/
empty_string = PyString_FromString("");
if (!empty_string) goto end;
msg_string = PyObject_CallMethod(empty_string, "join", "O", msg_list);
if (!msg_string) goto end;
temp = (unsigned char *) PyString_AsString(msg_string);
if (temp) msg = temp;
end:
report_scripting_error(&python_scripting_module, python_ses, msg);
Py_XDECREF(err_type);
Py_XDECREF(err_value);
Py_XDECREF(err_traceback);
Py_XDECREF(tb_module);
Py_XDECREF(msg_list);
Py_XDECREF(empty_string);
Py_XDECREF(msg_string);
/* In case another error occurred while reporting the original error: */
PyErr_Clear();
}
void
alert_smjs_error(unsigned char *msg)
{
report_scripting_error(&smjs_scripting_module,
smjs_ses, msg);
}
void
alert_ruby_error(struct session *ses, unsigned char *msg)
{
report_scripting_error(&ruby_scripting_module, ses, msg);
}
