#!/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
Created by zhoubo on 2011-08-29.
"""
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

#命令行元組
cmd = ('tail', '-f', path)
print ' '.join(cmd)
output = subprocess.Popen(cmd, stdout=subprocess.PIPE)

keywordMap = {}
#加載監控的關鍵字信息
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,得到輸出信息后的處理代碼
    if not line:
        time.sleep(0.01)
        continue
    line = line.strip().decode('utf8')
    print line
    for keyword in keywordMap:
        if line.find(keyword) > -1:
            winsound.PlaySound(keywordMap[keyword], 
                               winsound.SND_NODEFAULT)
    #time.sleep(0.01)
return 0


if name == 'main':
    sys.exit(main())</pre>