Python爬虫模拟登陆豆瓣

#-*- coding:utf-8 -*-import requests,refrom PIL import Imageclass DoubanSpider(object):    def __init__(self):        self.session = requests.session()    def login(self, userName, password):        headers = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.101 Safari/537.36',                   'Referer':'https://www.douban.com/'}        #这个地方有一点奇怪，豆瓣有时需要验证码，有时不需要验证码        #需要验证码时,那么data 里面注释的两行是需要的        data = {'source':'index_nav',                'redir':'https://www.douban.com/',                'form_email':userName,                'form_password':password,                #captcha-solution:monkey                #captcha-id:y3SFVd4diuAVw5HvCjPuI7lM:en                'login':'登录'}        url = 'https://accounts.douban.com/login'        #我们注意到前面 data里面还有两个变量添加，下面添加        capSolution, capId = self._getCapcha(self.session.get(url).content)        if capSolution and capId:            print capSolution, capId            data['captcha-solution'] = capSolution            data['captcha-id'] = capId        r = self.session.post(url=url, data=data, headers=headers)        print self.session.cookies.items()        #跳转到自己的页面        html = self.session.get('https://movie.douban.com/mine').content        print html    def _getCapcha(self, html):        capSolution = None        reg = r'img id="captcha_image" src="(.*?)" alt'        reg = re.compile(reg)        capUrl = reg.findall(html)        if len(capUrl) > 0:            capUrl = capUrl[0]            picName = 'captcha.jpg'            with open (picName, 'wb') as f:                f.write(self.session.get(url=capUrl).content)                f.close()            try:                img = Image.open(picName)                img.show()                img.close()            except:                print u'获取验证码失败'            capSolution = raw_input('输入验证码:')        reg = r'name="captcha-id" value="(.*?)"/>'        reg = re.compile(reg)        capId = None        capIdList = reg.findall(html)        if len(capIdList) > 0:            capId = capIdList[0]        return capSolution, capIdif __name__ == '__main__':    spider = DoubanSpider()    spider.login(userName='', password='')

当运行时，打印出 cookie.items()出现上面的界面就是登陆成功了