python爬取某个网站的图片并保存到本地

#coding:utf-8
import urllib
import re
import sys

reload(sys)
sys.setdefaultencoding('gb2312')

#获取整个页面的数据
def getHtml (url):
    page = urllib.urlopen(url)
    html = page.read()
    return html
#保存图片到本地
def getImg(html):
    reg = r'src="(.+?.jpg)"'
    imgre = re.compile(reg)
    imglist = re.findall(imgre,html)
    x = 0
    for imgurl in imglist:
        urllib.urlretrieve(imgurl,'%s.jpg' % x)
        x+=1


html = getHtml("http://www.666hdhd.com/?tz")

print getImg(html)