app.py 文件源码

def _create_logger(self):
        # type: () -> logging.Logger
        log_level_name = self._config.get('log_level', 'INFO')
        if log_level_name not in LOG_LEVEL_NAMES:
            raise ValueError("invalid log level " + log_level_name)
        logger = logging.Logger('navdoon')  # type: ignore
        logger.addHandler(logging.NullHandler())
        logger.setLevel(getattr(logging, log_level_name))
        if self._config.get('log_stderr'):
            logger.addHandler(logging.StreamHandler(sys.stderr))
        if self._config.get('log_file'):
            logger.addHandler(logging.FileHandler(self._config['log_file']))
        if self._config.get('log_syslog'):
            syslog_address = self._config['syslog_socket'].split(':')
            if len(syslog_address) < 2:
                syslog_address = syslog_address[0].strip()
            else:
                syslog_address = tuple([syslog_address[0].strip(),
                                        int(syslog_address[1])])
            logger.addHandler(logging.handlers.SysLogHandler(syslog_address))
        return logger