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python 记录日志

2020-05-12python0
import sys
import time


def Singletonfunc(cls):
    _instance = {}

    def _singleton(*args, **kargs):
        if cls not in _instance:
            _instance[cls] = cls(*args, **kargs)
        return _instance[cls]

    return _singleton


@Singletonfunc
class Log:
    def __init__(self):
        self.file = "log.txt"

    def record(self, msg, type="info"):
        now = time.strftime("%Y-%m-%d %H:%M:%S")
        # __file__ 当前文件
        # sys._getframe().f_lineno 当前行
        content = "[{0}] {1} file:{2} line:{3}:{4}\n".format(type, now, __file__, sys._getframe().f_lineno, msg)
        # print(content)
        with open(self.file, "a+", encoding="utf-8") as f:
            f.write(content)


if __name__ == "__main__":
    Log().record("test 111")


Error.py

import time, sys
from Log import Log

def Singletonfunc(cls):
    _instance = {}

    def _singleton(*args, **kargs):
        if cls not in _instance:
            _instance[cls] = cls(*args, **kargs)
        return _instance[cls]

    return _singleton


@Singletonfunc
class Error:
    def trigger(self, msg):
        now = time.strftime("%Y-%m-%d %H:%M:%S")
        # __file__ 当前文件
        # sys._getframe().f_lineno 当前行
        content = "[error] {0} file:{1} line:{2}:{3}\n".format(now, __file__, sys._getframe().f_lineno, msg)
        print(content)
        Log().record(str(msg), "error")

if __name__ == "__main__":
    Error().trigger("test 111")

#封装系统的logging

import logging.handlers


def Singletonfunc(cls):
    _instance = {}

    def _singleton(*args, **kargs):
        if cls not in _instance:
            _instance[cls] = cls(*args, **kargs)
        return _instance[cls]

    return _singleton


@Singletonfunc
class Logger:
    def __init__(self):
        self.file = "./data/test.log"
        logger = logging.getLogger()
        #hdlr = logging.handlers.TimedRotatingFileHandler(filename=self.file, when='M', interval=5, backupCount=100,encoding="utf-8")

        formatter = logging.Formatter("%(asctime)s %(filename)s [line:%(lineno)d] %(levelname)s %(message)s",
                                     datefmt="%Y-%m-%d %H:%M:%S")
        hdlr = logging.FileHandler(filename=self.file, mode="a+", encoding='utf-8')
        hdlr.setFormatter(formatter)
        logger.addHandler(hdlr)
        logger.setLevel(logging.INFO)
        self.logging = logger


    def instance(self):
        return self.logging

    # def info(self, msg):
    #     return self.logging.info(msg)
    #
    # def warning(self, msg):
    #     return self.logging.warning(msg)
    #
    # def debug(self, msg):
    #     return self.logging.debug(msg)
    #
    # def error(self, msg):
    #     return self.logging.error(msg)
    #
    # def critical(self, msg):
    #     return self.logging.critical(msg)

def Log():
    return Logger().instance()

if __name__ == "__main__":
    Log().info("test 111")


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