Python日志极简配置示例

配置

配置倾向

  • 只输出到文件
  • 按时间轮转,默认7d
  • 日志格式:只记录必要的信息
import logging
from logging.handlers import TimedRotatingFileHandler
from os import path
def init_log_config(
 filename: str,
 *,
 default_dir="/var/log",
 logformat: str = ("[%(levelname)s %(asctime)s %(process)d_%(threadName)s %(filename)s:%(lineno)s:%(funcName)s] "
 "%(message)s"),
 loglevel: str = "warn",
 backup_count: int = 7,
 encoding="utf-8",
 delay=True,
):
 """
 :param filename: 文件名
 :param default_dir: 
 :param logformat: 
 :param loglevel: 
 :param backup_count: 
 :param encoding: 
 :param delay: 
 :return: 
 """
 levelint = {
 "debug": logging.DEBUG,
 "info": logging.INFO,
 "warn": logging.WARN,
 "error": logging.ERROR
 }[loglevel]
 if not filename.startswith("/"):
 filename = path.join(default_dir, filename)
 logging.basicConfig(
 format=logformat,
 level=levelint,
 handlers=[
 TimedRotatingFileHandler(
 filename,
 when="d",
 backupCount=backup_count,
 encoding=encoding,
 delay=delay,
 )
 ]
 )

使用方式

  • 在程序最最最开始的地方开始初始化(我一般放在第一行)
init_log_config("log1.log", loglevel="debug")
import os, sys
  • 业务中使用
logging.info("Start Do something")
作者:浮生若梦的编程

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