util.py 文件源码

def setup_logging(config_file_path, log_level=logging.INFO):
    """
    Logging configuration helper.

    :param config_file_path: file path to logging configuration file.
    https://docs.python.org/3/library/logging.config.html#object-connections
    :param log_level: defaults to logging.INFO
    :return: None - access the logger by name as described in the config--or the "root" logger as a backup.
    """
    try:
        with open(config_file_path, 'rt') as f:
            config = json.load(f)
        logging.config.dictConfig(config)
    except (ValueError, IOError, OSError):
        # json.JSONDecodeError is throwable in Python3.5+ -- subclass of ValueError
        logging.basicConfig(log_level=log_level)
        logging.root.exception(
            "Could not load specified logging configuration '{}'. Verify the filepath exists and is compliant with: "
            "[https://docs.python.org/3/library/logging.config.html#object-connections]".format(config_file_path))