def __missing__(self, key):
        if self.default_factory is None:
            raise KeyError(key)
        else:
            ret = self[key] = self.default_factory(name=key)
            return ret
def test(self, logger_name, logger_level, message):
        logger = logging.getLogger(logger_name)
        getattr(logger, logger_level.lower())(message)