log.py 文件源码

def log_register(log_name):
    """
    Acquire a logger object, initialized with the global level and output options

    :param log_name: logger name (as in `logging.getLogger`), will be prefixed to log lines
    :return: A `logging.Logger` instance.
    """
    logger = logging.getLogger(log_name)
    logger.setLevel(settings.LOG_LEVEL)

    if _enable_stdout:
        _add_stream_handler(logger)
    if _log_filename:
        _add_file_handler(logger)
    if not _log_filename and not _enable_stdout:
        # Prevent 'No handlers could be found' spam
        logger.addHandler(MemoryHandler(0))

    _loggers.add(logger)
    return logger