关于Logging模块

之前费了不少力气去写打印LOG的库，当时还被一些问题困扰了一段时间，当这个库写得足够用的时候才发现，原来库里面早已提供了一个功能强大的Logging模块。一分钟前还为自己的成果得意洋洋，一分钟后发现原来这些都是白费力气。常常是绕了一个大圈之后回到原点，抬头一看，原来你就在这里，呵呵。得花时间好好来研究一下Python自带的这些库，绝大部分的时候这些已经够用了。先作个标记，回头再用Logging重写个适用自己需要的库。

# 添加于11 Jan, 2009 (中光棍节？)

import os

import logging

import logging.handlers

def CreateLogger(filename, logname='', maxbytes=0, backupcount=0):

    currdir = os.getcwd()

    if not os.path.exists(os.path.join(currdir, 'Log')):

       try:

         os.mkdir(os.path.join(currdir, 'Log'))

       except:

         raise Exception, 'Can\'t create Log directory'

   filename = os.path.join(currdir, os.path.join('Log', filename))

   logger = logging.getLogger(logname)

   logger.setLevel(logging.DEBUG)

   formatter = logging.Formatter('%(asctime)s %(lineno)04.0f %(levelname)-5s --> %(message)s')

   sh = logging.StreamHandler()

    sh.setLevel(logging.DEBUG)

    sh.setFormatter(formatter)

    logger.addHandler(sh)

   rh = logging.handlers.RotatingFileHandler(

filename, maxBytes=maxbytes, backupCount=backupcount)

   rh.setLevel(logging.DEBUG)

   rh.setFormatter(formatter)

   logger.addHandler(rh)

   return logger

def CreateLoggerEx(filename, logname, maxbytes=0, backupcount=0):

    currdir = os.getcwd()

   if not os.path.exists(os.path.join(currdir, 'Log')):

       try:

         os.mkdir(os.path.join(currdir, 'Log'))

       except:

         raise Exception, 'Can\'t create Log directory'

   filename = os.path.join(currdir, os.path.join('Log', filename))

    logger = logging.getLogger(logname)

    logger.setLevel(logging.DEBUG)

    formatter = logging.Formatter('%(asctime)s %(lineno)04.0f %(levelname)-5s --> %(taskname)s :: %(message)s')

   sh = logging.StreamHandler()

    sh.setLevel(logging.DEBUG)

    sh.setFormatter(formatter)

    logger.addHandler(sh)

    rh = logging.handlers.RotatingFileHandler(

filename, maxBytes=maxbytes, backupCount=backupcount)

   rh.setLevel(logging.DEBUG)

   rh.setFormatter(formatter)

   logger.addHandler(rh)

    return logger