log.py

# -*- coding: utf-8 -*-

import logging.handlers

class Logger(logging.Logger):
    def __init__(self, filename=None):
        super(Logger, self).__init__(self)
        # 日志文件名
        if filename is None:
            filename = 'main.log'
        self.filename = filename

        # 创建一个handler，用于写入日志文件 (每天生成1个，保留30天的日志)
        fh = logging.handlers.TimedRotatingFileHandler(self.filename, 'D', 1, 30)
        fh.suffix = "%Y%m%d-%H%M.log"
        fh.setLevel(logging.DEBUG)

        # 再创建一个handler，用于输出到控制台
        ch = logging.StreamHandler()
        ch.setLevel(logging.DEBUG)

        # 定义handler的输出格式
        f = '[%(asctime)s] - %(filename)s [Line:%(lineno)d] - [%(levelname)s]-[thread:%(thread)s]-[process:%(process)s] - %(message)s'
        formatter = logging.Formatter(f)
        fh.setFormatter(formatter)
        ch.setFormatter(formatter)

        # 给logger添加handler
        self.addHandler(fh)
        self.addHandler(ch)