import urllib
urllib.urlretrieve(imgurl,imgfile)#imgurl可以从页面源代码找到

import cookie
import urllib2
cookiejar=cookielib.MozillaCookieJar(cookieFilename)
opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cookiejar))
response=opener.open(imgurl)

import cookie
import urllib2
proxy_line='127.0.0.1:8087'
cookieFilename='cookie.txt'
cookiejar=cookielib.MozillaCookieJar(cookieFilename)
opener=urllib2.build_opener(urllib2.ProxyHandler({'http':proxy_line}),urllib2.HTTPCookieProcessor(cookieFileJar))
response=opener.open(imgurl,timeout=2)#设置超时时间

content=response.read()
fp=file(imgfile,'wb')#将二进制图片保存
fp.write(content)
fp.close()

import os
imgfile='img.jpg'
out

# -*- coding: utf-8 -*-
 
import os
import urllib
import urllib2
import string
import socks
import httplib2
import cookielib
import time
import random
tes='tesseract.exe'
filepath='./'
imgurl='http://example.com/vote/img.jsp'
myurl="http://example.com/vote"
voteInfoId='xxxxxxxx'
headers={'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0'}#,
#     'Cookie':'324E661DE12427BD71CE63DF436A80D1'}
imgfile=filepath + '/img.jpg'
outfile=filepath + '/out'
proxy_file=filepath+'/proxy.txt'
user_file=filepath+'/user2.txt'
cookieFilename=filepath +'/cookies.txt'
#myproxy_line='211.142.236.137:80'
#cookieJarFileLWP=cookielib.LWPCookieJar(cookieFilename)
cookieFileJar=cookielib.FileCookieJar(cookieFilename)
#opener=urllib2.build_opener(urllib2.ProxyHandler({'http':myproxy_line}),urllib2.HTTPCookieProcessor(cookieMozillaJar))
opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cookieFileJar))
f_user=open(user_file)
 
f_proxy=open(proxy_file)
proxy_all=f_proxy.read().split('\n')
f_user=open(user_file)
user_all=f_user.read().split('\n')
count=1
cookieFileJar=cookielib.FileCookieJar(cookieFilename)#使用cookie登陆
 
while True:
  i=random.randint(1,100)
  j=random.randint(1,60)
  #print user_all.length()
  user_line=user_all[i]
  myproxy_line=proxy_all[j]
 
  for myproxy_line in [myproxy_line]:#f_proxy:
 
    #使用代理和cookie
    opener=urllib2.build_opener(urllib2.ProxyHandler({'http':myproxy_line}),urllib2.HTTPCookieProcessor(cookieFileJar))
    try:
      response2=opener.open(imgurl,timeout=1)#返回二进制图片
    except Exception,e:
      print 'I can not connect the server,try again'
      continue
 
    content=response2.read()
    fp=file(imgfile,'wb')#将二进制图片保存
    fp.write(content)
    fp.close()
    outcmd="%s %s %s -l eng digits -psm 7" %(tes,imgfile,outfile)
    print 'I begin to recognize the CAPTCHA code ..'
    os.system(outcmd)
    code_file=open(filepath+'/out.txt')
    mycode_line=code_file.readline()
    code_file.close()
 
    if len(mycode_line)<=3:
      print 'I guess the CAPTCHA code is %s,but I think it\'s error.' % (mycode_line)
      continue
    mycode=mycode_line[0:4]
    print 'I guess the CAPTCHA code is %s' % (mycode)
    mylist=user_line.split('----')
    proxy_list=myproxy_line.split(':')
    myid=mylist[0]#.decode('utf-8')
    myname=mylist[1]#.decode('utf-8')
    mycomm=mylist[2]#.decode('utf-8')
    data={'method':'vote',
       'voteInfoId':voteInfoId,
       'forward':'***',
       'info1':myid,
       'info2':myname,
       'info3':mycomm,
       'inputCode':mycode,
       'submit':'确定'}
    print 'Now I begin to vote...'
    print 'the user is %s' % (myid)
    print 'the name is %s' % (myname)
    print 'the comment is %s' % (mycomm)
    post_data=urllib.urlencode(data)
    try:
      response=opener.open(myurl,post_data)
    except Exception,e:
      print 'I can\'t connect the server ,so vote is failure'
      continue
    content=response.read()
  #img_req=opener.open(imgurl)
  #cookieFileJar.save(cookieFilename)
  #req=opener.open(myurl,post_data)
  #req=urllib2.Request(myurl,data=post_data,headers=headers)
    fp=file('test.html','w')
    print 'I put the received html to the file test.html'
    fp.write(content)
    fp.close()
    #outcmd="%s %s %s" %(tes,imgfile,outfile)
  #count+=1
    #print cookieFileJar