scrapy登录抽屉并点赞

# -*- coding: utf-8 -*-
import scrapy
from scrapy.http import Request
from scrapy.selector import Selector

class ChoutiSpider(scrapy.Spider):
    name = 'chouti'
    allowed_domains = ['chouti.com']
    start_urls = ['http://chouti.com/']
    cookie_dict = {}
    """
    1. 发送一个GET请求,抽屉
       获取cookie
       
    2. 用户密码POST登录：携带上一次cookie
       返回值：9999
       
    3. 为所欲为，携带cookie
   """
    def start_requests(self):
        for url in self.start_urls:
            yield Request(url, dont_filter=True,callback=self.parse1)

    def parse1(self,response):
        # response.text 首页所有内容
        from scrapy.http.cookies import CookieJar
        cookie_jar = CookieJar() # 对象，中封装了 cookies
        cookie_jar.extract_cookies(response, response.request) # 去响应中获取cookies

        for k, v in cookie_jar._cookies.items():
            for i, j in v.items():
                for m, n in j.items():
                    self.cookie_dict[m] = n.value
        post_dict = {
            'phone': '8615131255089',
            'password': 'woshiniba',
            'oneMonth': 1,
        }
        import urllib.parse

        # 目的：发送POST进行登录
        yield Request(
            url="http://dig.chouti.com/login",
            method='POST',
            cookies=self.cookie_dict,
            body=urllib.parse.urlencode(post_dict),
            headers={'Content-Type':'application/x-www-form-urlencoded; charset=UTF-8'},
            callback=self.parse2
        )

    def parse2(self,response):
        print(response.text)
        # 获取新闻列表
        yield Request(url='http://dig.chouti.com/',cookies=self.cookie_dict,callback=self.parse3)

    def parse3(self,response):

        # 找div，class=part2, 获取share-linkid
        hxs = Selector(response)
        link_id_list = hxs.xpath('//div[@class="part2"]/@share-linkid').extract()
        print(link_id_list)
        for link_id in link_id_list:
            # 获取每一个ID去点赞
            base_url = "http://dig.chouti.com/link/vote?linksId=%s" %(link_id,)
            yield Request(url=base_url,method="POST",cookies=self.cookie_dict,callback=self.parse4)

        page_list = hxs.xpath('//div[@id="dig_lcpage"]//a/@href').extract()
        for page in page_list:
            #http://dig.chouti.com/ /all/hot/recent/2
            page_url = "http://dig.chouti.com%s" %(page,)
            yield Request(url=page_url,method='GET',callback=self.parse3)

    def parse4(self, response):
        print(response.text)