python定时器爬取豆瓣音乐Top榜歌名

python定时器爬取豆瓣音乐Top榜歌名

作者:vpoet

mail:vpoet_sir@163.com

注:这些小demo都是前段时间为了学python写的,现在贴出来纯粹是为了和大家分享一下

 1 #coding=utf-8
 2 
 3 import urllib  
 4 import urllib2  
 5 import re  
 6 import time 
 7 
 8 
 9 
10 def SaveTop20Music(currtime):
11     rex=r'<a href="javascript:;">(.*?)</a>';
12     url = 'http://music.douban.com/chart';
13     Response = urllib2.urlopen(url);
14     Html=Response.read();
15     listsofsong = re.findall(rex, Html);
16     print len(listsofsong);
17     f=open('%s.txt' % currtime,'w');
18     x=1;
19     for line in listsofsong:
20         f.write('top'+str(x)+':'+line);
21         f.write('
');
22         x=x+1;
23         f.flush();
24         
25         
26     f.close();
27     print currtime+'.txt'+'		'+'SaveOver'
28     
29     
30     
31 def timer(n):  
32     while True:  
33         currtime = time.strftime("Savetime_%H-%M-%S", time.localtime()) 
34         print currtime
35         SaveTop20Music(currtime) 
36         time.sleep(n) 
37 
38 
39 
40 if __name__ == "__main__":  
41     timer(5)

运行截图: