def save_last_sync(self, ids, process):
        try:
            spec = {'_id': 'last_sync'}
            document = {'$set': {process: ids}}
            self.db.internal.update(spec, document, upsert=True)
        except Exception as e:
            raise DatabaseException(e)
def _format_traceback(cls, traceback_lines, should_print_backtrace):
        if should_print_backtrace:
            traceback_string = "\n{}".format("".join(traceback_lines))
        else:
            traceback_string = " {}".format(cls._traceback_omitted_default_text)
        return traceback_string