# -*- coding: utf-8 -*-

import re
import urllib.parse
import urllib.request
from http.cookiejar import CookieJar

#豆瓣的登入url
loginurl = "https://www.douban.com/accounts/login"
cookie = CookieJar()
opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor)

data={}
data["form_email"]="[email protected]
 
"
data["form_password"]="wanghejin18592"
data["source"]= "index_nav"

# 從首頁提交登入
response = opener.open(loginurl,urllib.parse.urlencode(data).encode("utf-8"))

# 驗證成功跳轉至登入頁
if response.geturl() == "https://www.douban.com/accounts/login":
    html = response.read().decode()

    # 驗證碼圖片地址
    imgurl = re.search('<img id
 
="captcha_image" src="(.+?)" alt="captcha" class="captcha_image"/>', html)
    if imgurl:
        url = imgurl.group(1)

        # 將圖片儲存至同目錄下
        res = urllib.request.urlretrieve(url, "v.jpg")

        # 獲取captcha-id引數
        captcha = re.search('<input type="hidden" name="captcha-id" value="(.+?)"
 
/>', html)

        if captcha:
            vcode = input("請輸入圖片上的驗證碼：")
            data["captcha-solution"] = vcode
            data["captcha-id"] = captcha.group(1)
            data["user_login"] = "登入"

            # 提交驗證碼驗證
            response = opener.open(loginurl, urllib.parse.urlencode(data).encode("utf-8"))

            #登入成功跳轉至首頁
            if response.geturl() == "http://www.douban.com/":
                print ("登入成功")