python打印不同颜色日志logging

import logging
import colorlog


class LogHandler(object):

    def __init__(self, level=logging.INFO):
        self.logger = logging.getLogger()
        self.log_colors_config = {
            'DEBUG': 'cyan',
            'INFO': 'green',
            'WARNING': 'yellow',
            'ERROR': 'red',
            'CRITICAL': 'red',
        }
        formatter = colorlog.ColoredFormatter(
            '%(log_color)s%(asctime)s  %(filename)s[line:%(lineno)d] %(levelname)s: %(message)s',
            log_colors=self.log_colors_config)

        # 设置日志级别
        self.logger.setLevel(level)
        # 往屏幕上输出
        console_handler = logging.StreamHandler()
        # 输出到文件
        file_handler = logging.FileHandler(filename='test.log', mode='a', encoding='utf8')
        file_formatter = logging.Formatter('%(asctime)s  %(filename)s[line:%(lineno)d] %(levelname)s: %(message)s')
        # 设置屏幕上显示的格式
        console_handler.setFormatter(formatter)
        # 设置写入文件的格式
        file_handler.setFormatter(file_formatter)
        # 把对象加到logger里
        self.logger.addHandler(console_handler)
        self.logger.addHandler(file_handler)



if __name__ == '__main__':
    log = LogHandler(level=logging.DEBUG)
    log.logger.error("error")
    log.logger.info("info")
    log.logger.debug("debug")
    log.logger.warning("warning")