获取bing首页图片

import urllib,re,sys,os
def get_bing_backphoto():
    if (os.path.exists('photos')== False):
        os.mkdir('photos')
    for i in range(0,10):
        url = 'http://cn.bing.com/HPImageArchive.aspx?format=js&idx='+str(i)+'&n=1&nc=1361089515117&FORM=HYLH1'
        html = urllib.urlopen(url).read()
        if html == 'null':
            print 'open & read bing error!'
            sys.exit(-1)
        reg = re.compile('"url":"(.*?)","urlbase"',re.S)
        text = re.findall(reg,html)
        #http://s.cn.bing.net/az/hprichbg/rb/LongJi_ZH-CN8658435963_1366x768.jpg
        for imgurl in text:
            right = imgurl.rindex('/')
            name = imgurl.replace(imgurl[:right+1],'')
            savepath = 'photos/'+ name
            imgurl="http://www.bing.com"+imgurl
            urllib.urlretrieve(imgurl, savepath)
            print name + ' save success!'

get_bing_backphoto()

还是放文章里吧，毕竟不是原创