webradio.py 文件源码

def setupLogger(console=True, File=False, Variable=False, Filebackupcount=0):
    '''
    Setup a logger for the application
    :return: Nothing
    '''
    global logger
    global log_capture_string
    # create logger
    logging.raiseExceptions = False
    logger.setLevel(logging.DEBUG)
    formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(filename)s - %(funcName)s - %(message)s')
    # Check if log exists and should therefore be rolled
    needRoll = os.path.isfile(LOG_FILENAME)

    if File:
        # create file handler which logs even debug messages and hold a backup of old logs
        fh = logging.handlers.RotatingFileHandler( LOG_FILENAME, backupCount=int(Filebackupcount)) # create a backup of the log
        fh.setLevel(logging.DEBUG) if args.debug else fh.setLevel(logging.INFO)  #TODO:Change this to ERROR after dev
        fh.setFormatter(formatter)
        logger.addHandler(fh)
    if Variable:
        # create variable handler for on the fly read
        vh = logging.StreamHandler(log_capture_string)
        vh.setLevel(logging.DEBUG) if args.debug else vh.setLevel(logging.INFO)
        vh.setFormatter(formatter)
        logger.addHandler(vh)
    if console:
        # create console handler with a higher log level
        ch = logging.StreamHandler()
        ch.setLevel(logging.DEBUG) if args.debug else ch.setLevel(logging.ERROR)
        ch.setFormatter(formatter)
        logger.addHandler(ch)

    # This is a stale log, so roll it
    if File and needRoll:
        # Add timestamp
        logger.debug(_('\n---------\nLog closed on {0}.\n---------\n').format(time.asctime()))
        # Roll over on application start
        logger.handlers[0].doRollover()
    # Add timestamp
    logger.debug(_('\n---------\nLog started on {0}.\n---------\n').format(time.asctime()))