logging 模块多进程解决方案 concurrent-log-handler 0.9.12
错误日志
PermissionError: [WinError 32] 另一个程序正在使用此文件，进程无法访问。: 'E:\\logs\\contest\\contest.log' -> 'E:\\logs\\contest\\contest.log.1'
解决
- bash
pip install concurrent-log-handler
pip install pypiwin32
- python
from logging import getLogger, DEBUG
from concurrent_log_handler import ConcurrentRotatingFileHandler
import os
logger = getLogger()
# Use an absolute path to prevent file rotation trouble.
logfile = os.path.abspath("mylogfile.log")
# Rotate log after reaching 512K, keep 5 old copies.
rotateHandler = ConcurrentRotatingFileHandler(logfile, "a", 512*1024, 5)
logger.addHandler(rotateHandler)
logger.setLevel(DEBUG)
logger.info("Here is a very exciting log message, just for you")
- 如果有很多日志 建议多弄几个 logger