简单的Python爬虫程序

# coding=utf-8

import urllib
import re

f = urllib.urlopen("http://tieba.baidu.com/p/4093780003")
html = f.read()
f.close()

reg = r'src="(.+?\.jpg)"'
imgre = re.compile(reg)
imglist = re.findall(imgre, html)

for x, imgurl in enumerate(imglist):
	urllib.urlretrieve(imgurl, "pic/%s.jpg" % x)
	print x, " ",