Python中logging日志库实例详解

 logging.debug("debug")
 logging.info("info")
 logging.warning("warning")
 logging.error("error")5 logging.critical("critical")

a = 5
 b = 0
 try:
 c = a / b
 except Exception as e:
 # 下面三种方式三选一，推荐使用第一种
 logging.exception("Exception occurred")
 logging.error("Exception occurred", exc_info=True)
 logging.log(level=logging.ERROR, msg="Exception occurred", exc_info=True)

 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
 __title__ = logging工具类
 __Time__ = 2019/8/8 19:26
 """
 import logging
 from logging import handlers
 class Loggers:
  __instance = None
  def __new__(cls, *args, **kwargs):
   if not cls.__instance:
    cls.__instance = object.__new__(cls, *args, **kwargs)
   return cls.__instance
  def __init__(self):
   # 设置输出格式
   formater = logging.Formatter(
    '[%(asctime)s]-[%(levelname)s]-[%(filename)s]-[%(funcName)s:%(lineno)d] : %(message)s')
   # 定义一个日志收集器
   self.logger = logging.getLogger('log')
   # 设定级别
   self.logger.setLevel(logging.DEBUG)
   # 输出渠道一 - 文件形式
   self.fileLogger = handlers.RotatingFileHandler("./test.log", maxBytes=5242880, backupCount=3)
   # 输出渠道二 - 控制台
   self.console = logging.StreamHandler()
   # 控制台输出级别
   self.console.setLevel(logging.DEBUG)
   # 输出渠道对接输出格式
   self.console.setFormatter(formater)
   self.fileLogger.setFormatter(formater)
   # 日志收集器对接输出渠道
   self.logger.addHandler(self.fileLogger)
   self.logger.addHandler(self.console)
  def debug(self, msg):
   self.logger.debug(msg=msg)
  def info(self, msg):
   self.logger.info(msg=msg)
  def warn(self, msg):
   self.logger.warning(msg=msg)
  def error(self, msg):
   self.logger.error(msg=msg)
  def excepiton(self, msg):
   self.logger.exception(msg=msg)
 loggers = Loggers()
 if __name__ == '__main__':
  loggers.debug('debug')
  loggers.info('info')

 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
 __title__ = logzero日志封装类
 __Time__ = 2019/8/8 19:26
 """
 import logging
 import logzero
 from logzero import logger
 class Logzero(object):
  __instance = None
  def __new__(cls, *args, **kwargs):
   if not cls.__instance:
    cls.__instance = object.__new__(cls, *args, **kwargs)
   return cls.__instance
  def __init__(self):
   self.logger = logger
   # console控制台输入日志格式 - 带颜色
   self.console_format = '%(color)s' \
        '[%(asctime)s]-[%(levelname)1.1s]-[%(filename)s]-[%(funcName)s:%(lineno)d] 日志信息: %(message)s ' \
        '%(end_color)s '
   # 创建一个Formatter对象
   self.formatter = logzero.LogFormatter(fmt=self.console_format)
   # 将formatter提供给setup_default_logger方法的formatter参数
   logzero.setup_default_logger(formatter=self.formatter)
   # 设置日志文件输出格式
   self.formater = logging.Formatter(
    '[%(asctime)s]-[%(levelname)s]-[%(filename)s]-[%(funcName)s:%(lineno)d] 日志信息: %(message)s')
   # 设置日志文件等级
   logzero.loglevel(logging.DEBUG)
   # 输出日志文件路径和格式
   logzero.logfile("F:\\imocInterface\\log/tests.log", formatter=self.formater)
  def debug(self, msg):
   self.logger.debug(msg=msg)
  def info(self, msg):
   self.logger.info(msg=msg)
  def warning(self, msg):
   self.logger.warning(msg=msg)
  def error(self, msg):
   self.logger.error(msg=msg)
  def exception(self, msg):
   self.logger.exception(msg=msg)
 logzeros = Logzero()
 if __name__ == '__main__':
  logzeros.debug("debug")
  logzeros.info("info")
  logzeros.warning("warning")
  logzeros.error("error")
  a = 5
  b = 0
  try:
   c = a / b
  except Exception as e:
   logzeros.exception("Exception occurred")