python分布式爬虫打造搜索引擎课程的资源

# -*- coding: utf-8 -*- import re import json import datetime try: import urlparse as parse except: from urllib import parse import scrapy from scrapy.loader import ItemLoader from items import ZhihuQuestionItem, ZhihuAnswerItem class ZhihuSpider(scrapy.Spider): name = "zhihu_sel" allowed_domains = ["www.zhihu.com"] start_urls = ['https://www.zhihu.com/'] #question的第一页answer的请求url start_answer_url = "https://www.zhihu.com/api/v4/questions/{0}/answers?sort_by=default&include=data%5B%2A%5D.is_normal%2Cis_sticky%2Ccollapsed_by%2Csuggest_edit%2Ccomment_count%2Ccollapsed_counts%2Creviewing_comments_count%2Ccan_comment%2Ccontent%2Ceditable_content%2Cvoteup_count%2Creshipment_settings%2Ccomment_permission%2Cmark_infos%2Ccreated_time%2Cupdated_time%2Crelationship.is_author%2Cvoting%2Cis_thanked%2Cis_nothelp%2Cupvoted_followees%3Bdata%5B%2A%5D.author.is_blocking%2Cis_blocked%2Cis_followed%2Cvoteup_count%2Cmessage_thread_token%2Cbadge%5B%3F%28type%3Dbest_answerer%29%5D.topics&limit={1}&offset={2}" headers = { "HOST": "www.zhihu.com", "Referer": "https://www.zhizhu.com", 'User-Agent': "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0" } custom_settings = { "COOKIES_ENABLED": True } def parse(self, response): """ 提取出html页面中的所有url 并跟踪这些url进行一步爬取 如果提取的url中格式为 /question/xxx 就下载之后直接进入解析函数 """ pass def parse_question(self, response): #处理question页面， 从页面中提取出具体的question item pass def parse_answer(self, reponse): pass def start_requests(self): from selenium import webdriver browser = webdriver.Chrome(executable_path="E:/test/chromedriver.exe") browser.get("https://www.zhihu.com/signin") browser.find_element_by_css_selector(".SignFlow-accountInput.Input-wrapper input").send_keys( "xxxx") browser.find_element_by_css_selector(".SignFlow-password input").send_keys( "xxxx") browser.find_element_by_css_selector( ".Button.SignFlow-submitButton").click() import time time.sleep(10) Cookies = browser.get_cookies() print(Cookies) cookie_dict = {} import pickle for cookie in Cookies: # 写入文件 f = open('G:/scrapy/ArticleSpider/cookies/zhihu/' + cookie['name'] + '.zhihu', 'wb') pickle.dump(cookie, f) f.close() cookie_dict[cookie['name']] = cookie['value'] browser.close() return [scrapy.Request(url=self.start_urls[0], dont_filter=True, cookies=cookie_dict)]