def format()

in dubbo/common/loggers.py [0:0]


    def format(self, record):
        level_name = record.levelname
        if level_name == 'ERROR':
            color = 31
        elif level_name == 'WARNING':
            color = 33
        elif level_name == 'INFO':
            color = 32
        else:
            color = 34
        while len(level_name) < 7:
            level_name += ' '
        record.levelname = '\033[{0}m{1}\033[0m'.format(color, level_name)
        return logging.Formatter.format(self, record)