utils.py 文件源码

def enable_pretty_logging(logger='calmjs', level=logging.DEBUG, stream=None):
    """
    Shorthand to enable pretty logging
    """

    def cleanup():
        logger.removeHandler(handler)
        logger.level = old_level

    if not isinstance(logger, logging.Logger):
        logger = logging.getLogger(logger)

    old_level = logger.level
    handler = logging.StreamHandler(stream)
    handler.setFormatter(logging.Formatter(
        u'%(asctime)s %(levelname)s %(name)s %(message)s'))
    logger.addHandler(handler)
    logger.setLevel(level)
    return cleanup