utils.py 文件源码

def reset_logger(log_comp):
    """
    Reset the logger for the specified log component (unless it is the root
    logger) to add a NullHandler if it does not have any handlers. Having a
    handler prevents a log request to be propagated to the parent logger.
    """

    name = LOGGER_NAMES[log_comp]
    logger = logging.getLogger(name)

    if name != '' and not logger.handlers:
        logger.addHandler(logging.NullHandler())