log封装-python3

import logging
import logging.handlers
import os
import time

def getLogger():
    logger = logging.getLogger("")
    # 设置输出的等级
    LEVELS = {'NOSET': logging.NOTSET,
              'DEBUG': logging.DEBUG,
              'INFO': logging.INFO,
              'WARNING': logging.WARNING,
              'ERROR': logging.ERROR,
              'CRITICAL': logging.CRITICAL}
    # 创建文件目录
    logs_dir = r"E:\satis\log"
    if os.path.exists(logs_dir) and os.path.isdir(logs_dir):
        pass
    else:
        os.mkdir(logs_dir)
    # 修改log保存位置
    timestamp = time.strftime("%Y-%m-%d", time.localtime())
    logfilename = '%s.txt' % timestamp
    logfilepath = os.path.join(logs_dir, logfilename)
    rotatingFileHandler = logging.handlers.RotatingFileHandler(filename=logfilepath,
                                                               maxBytes=1024 * 1024 * 50,
                                                               backupCount=5)
    # 设置输出格式
    formatter = logging.Formatter('[%(asctime)s] [%(levelname)s] [%(filename)s] [%(lineno)d] %(message)s', '%Y-%m-%d %H:%M:%S')
    rotatingFileHandler.setFormatter(formatter)
    # 控制台句柄
    console = logging.StreamHandler()
    console.setLevel(logging.NOTSET)
    console.setFormatter(formatter)
    # 添加内容到日志句柄中
    logger.addHandler(rotatingFileHandler)
    logger.addHandler(console)
    logger.setLevel(logging.NOTSET)
    return logger

logger = getLogger()

if __name__ == '__main__':
    logger.info("this is info")
    logger.debug("this is debug")
    logger.error("this is error")
    logger.warning("this is warning")