Windows下python监控脚本详解编程语言

#!/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,得到输出信息后的处理代码 
        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())