def get(self, token_id): method_name = 'TokenMapper.get' log.info('{}: initialization.'.format(method_name)) try: token_object = Tokens.get(Tokens.id==token_id) log.info('{}: end.'.format(method_name)) return self.mapper(token_object) except Exception as e: log.info('TokenDoesNotExist errno={}: strerror{}.'.format(e.errno, e.strerror)) log.info('{}: end.'.format(method_name)) raise Exception('TokenDoesNotExist errno={}: strerror{}.'.format(e.errno, e.strerror))