Python3.4 简单抓取爬虫

import urllib.request
import urllib.parse
import re
import urllib.request,urllib.parse,http.cookiejar
import time

def getHtml(url):

cj=http.cookiejar.CookieJar()
opener=urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cj))
opener.addheaders=[('User-Agent','Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36'),('Cookie','4564564564564564565646540')]

urllib.request.install_opener(opener)

page = urllib.request.urlopen(url)
html = page.read()
return html
#print ( html)

#html = getHtml("http://weibo.com/")

def getimg(html):
html = html.decode('utf-8')
reg='"screen_name":"(.*?)"'
imgre = re.compile(reg)
src=re.findall(imgre,html)
return src

#print ("",getimg(html))

uid=['2808675432','3888405676','2628551531','2808587400']
for a in list(uid):
print (getimg(getHtml("http://weibo.com/"+a)))

time.sleep(1)