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

#coding=utf-8

import urllib  
import urllib2  
import re  
import time 



def SaveTop20Music(currtime):
    rex=r'<a href="javascript:;">(.*?)</a>';
    url = 'http://music.douban.com/chart';
    Response = urllib2.urlopen(url);
    Html=Response.read();
    listsofsong = re.findall(rex, Html);
    print len(listsofsong);
    f=open('%s.txt' % currtime,'w');
    x=1;
    for line in listsofsong:
        f.write('top'+str(x)+':'+line);
        f.write('
');
        x=x+1;
        f.flush();
        
        
    f.close();
    print currtime+'.txt'+'		'+'SaveOver'
    
    
    
def timer(n):  
    while True:  
        currtime = time.strftime("Savetime_%H-%M-%S", time.localtime()) 
        print currtime
        SaveTop20Music(currtime) 
        time.sleep(n) 



if __name__ == "__main__":  
    timer(5)

运行截图: