logging日志

logging介绍

python的logging模块提供了通用的日志系统，可以方便第三方模块或者是应用使用，这个模块提供不同的日志级别，并可采用不同的方式记录日志。

# -*- coding: UTF-8 -*-
import os
import logging
import time
from logging.handlers import TimedRotatingFileHandler
from concurrent_log_handler import ConcurrentRotatingFileHandler

class Logger():
    @staticmethod
    def make_dir(make_dir_path):
        path = make_dir_path.strip()
        if not os.path.exists(path):
            os.makedirs(path)
        return path

    def save_logger(self, server_name, prefix_logger_name, log_dir_name = None):
        '''
        :param server_name: 服务名称
        :param prefix_logger_name: 日志文件前缀，后面会自动加日期，如prefix_logger_name-2020-02-02.log
        :param log_dir_name: 日志文件存放目录
        :return: logging对象
        '''
        _logger = logging.getLogger(server_name)
        log_file_name = prefix_logger_name + "-" + time.strftime('%Y-%m-%d', time.localtime(time.time())) + '.log'

        #如果不存在目錄
        if not log_dir_name:
            #os.path.dirname獲取當前文件的路徑,os.pardir返回上一級的路徑,os.path.abspath方向取反(/改\)
            log_file_folder = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)) + os.sep + "logs"
        else:
            log_file_folder = log_dir_name

        self.make_dir(log_file_folder)
        log_file_str = log_file_folder + os.sep + log_file_name
        print(log_file_str)
        log_level = logging.DEBUG
        handler = ConcurrentRotatingFileHandler(log_file_str, maxBytes=1024 * 1024 * 100, backupCount=1000, encoding='UTF-8')
        handler.setLevel(log_level)
        #asctime, thread, levelname, message, args
        logging_format = logging.Formatter('%(asctime)s - %(levelname)s - %(filename)s - %(funcName)s - %(lineno)s - %(message)s')
        handler.setFormatter(logging_format)

        _logger.disabled = False
        _logger.level = log_level
        _logger.addHandler(handler)
        return _logger

logger_obj = Logger()
send_logger = logger_obj.save_logger("Trade", "log", 'E:\Code').info('test3')
send_logger = logger_obj.save_logger("Trade", "log", 'E:\Code').error('test4')
send_logger = logger_obj.save_logger("Trade", "log", 'E:\Code').debug('test5')

 

执行结果