StreamHandler
Formatter
FileHandler
CRITICAL = 50 FATAL = CRITICAL ERROR = 40 WARNING = 30 WARN = WARNING INFO = 20 DEBUG = 10 NOTSET = 0
TimedRotatingFileHandler
HTTPHandler
RotatingFileHandler
分层传递日志
python的日志模块：logging；django的日志系统
原文：https://www.cnblogs.com/shengulong/p/10294017.html