log.py 文件源码

def set_log_level(level):
    """Set the log-level of the root logger of the logging module.

    Args:
        level: can be an integer such as 30 (logging.WARN), or a string such as 'WARN'
    """
    if isinstance(level, str):
        level = logging._levelNames[level]

    logger = logging.getLogger()  # gets root logger
    logger.setLevel(level)