Python监控日志程序

#!/usr/bin/env python
# encoding: utf-8
 
"""
MonitorLog.py
 
Usage: MonitorLog.py ...
Monitor the log file
 
-f log file
-h help info
 
python MonitorLog.py -f C:monitor.log
 
"""
 
import sys
import os
import getopt
import subprocess
import time
import codecs
import winsound
 
ABSPATH = os.path.dirname(os.path.abspath(__file__))
MONITERCONF = 'moniter_keyword.txt' #utf8 file
 
def main():
 try:
 opts, args = getopt.getopt(sys.argv[1:], 'hf:')
 except getopt.GetoptError, err:
 print str(err)
 print __doc__
 return 1
 
 path = ''
 for k, v in opts:
 if k == '-f':
 path = v
 elif k == '-h':
 print __doc__
 return 0
 
 if not (path and os.path.exists(path)):
 print 'Invalid path: %s' % path 
 print __doc__
 return 2
 
 #命令行元组
 cmd = ('tail', '-f', path)
 print ' '.join(cmd)
 output = subprocess.Popen(cmd, stdout=subprocess.PIPE)
 
 keywordMap = {}
 #加载监控的关键字信息
 with codecs.open(os.path.join(ABSPATH, MONITERCONF), 'r', 'utf8') as f:
 lines = f.readlines()
 for line in lines:
 line = line.strip()
 if not line:
 continue
 keyword, wav = line.strip().split(':')
 keywordMap[keyword] = wav
 
 while True:
 line = output.stdout.readline()
 #process code,得到