logger.py 文件源码

def add_file_handler(logger):
        """
        Add a log handler that writes logs to a auto rotated file.
        The file will be rotated every day.
        :param logger:
        :return:
        """
        log_dir = 'log'
        if not os.path.exists(log_dir):
            os.mkdir(log_dir)
        filename = os.path.join(log_dir, 'sigma.log')
        handler = TimedRotatingFileHandler(filename, when='d', interval=1, encoding='utf-8', utc=True)
        logger.add_handler(handler)