logger.py 文件源码

def initialize_logger():
    """sets up the logger including a console, file and qt handler
    """
    # initialize logger
    logging.basicConfig(format="%(message)s", level=logging.INFO)
    logging.addLevelName(logging.CRITICAL, 'critical')
    logging.addLevelName(logging.ERROR, 'error')
    logging.addLevelName(logging.WARNING, 'warning')
    logging.addLevelName(logging.INFO, 'info')
    logging.addLevelName(logging.DEBUG, 'debug')
    logging.addLevelName(logging.NOTSET, 'not set')
    logging.captureWarnings(True)
    logger = logging.getLogger()
    logger.setLevel(logging.INFO)
    # set level of stream handler which logs to stderr
    logger.handlers[0].setLevel(logging.WARNING)

    # add file logger
    rotating_file_handler = logging.handlers.RotatingFileHandler(
        'qudi.log', maxBytes=10*1024*1024, backupCount=5)
    rotating_file_handler.setFormatter(logging.Formatter(
        '%(asctime)s %(levelname)s %(name)s %(message)s',
        datefmt="%Y-%m-%d %H:%M:%S"))
    rotating_file_handler.doRollover()
    rotating_file_handler.setLevel(logging.DEBUG)
    logger.addHandler(rotating_file_handler)

    # add Qt log handler
    qt_log_handler = QtLogHandler()
    qt_log_handler.setLevel(logging.DEBUG)
    logging.getLogger().addHandler(qt_log_handler)

    for logger_name in ['core', 'gui', 'logic', 'hardware']:
            logging.getLogger(logger_name).setLevel(logging.DEBUG)


# global variables used by exception handler