# -*- coding: utf-8 -*- """ Created on 2023-04-27 --------- @summary: 生成一定有效期cookie,并使用的detail 详情处理方案,默认不限制ip --------- @author: """ import time import json import re import copy import feapder from items.spider_item import DataBakItem from untils.cookie_pool import PageCookiePool class Details(feapder.BiddingDetailSpider): def start_requests(self): data_list = self.get_tasks_by_rabbitmq(limit=50) for item in data_list: request_params = item.get("request_params") down_mid = copy.copy(item.get("down_mid")) key = down_mid.get("key") page_url = down_mid.get("page_url") cookie_pool = PageCookiePool(redis_key=key, page_url=page_url, selenium=False) down_mid["cookie_pool"] = cookie_pool if item.get("ex_python"): exec(item.get("ex_python")) yield feapder.Request(url=item.get("parse_url"), callback=eval(item.get("parse")), item=item, down_mid=item.get("down_mid"), deal_detail=item.get("deal_detail"), **request_params) def download_midware(self, request): down_mid = request.down_mid key = down_mid.get("key") page_url = down_mid.get("page_url") cookie_pool = PageCookiePool(redis_key=key, page_url=page_url, selenium=False) request.cookies = cookie_pool.get_cookie() return request def detail_get(self, request, response): """ 处理html格式的返回结果 :param request: :param response: :return: """ if request.down_mid.get("text") and request.down_mid.get("text") in response.text: '''失败处理,当text设置不为None,且在resposne.text中时,删除当前cookie并重新生产cookie''' down_mid = copy.copy(request.down_mid) key = down_mid.get("key") page_url = down_mid.get("page_url") cookie_pool = PageCookiePool(redis_key=key, page_url=page_url, selenium=False) cookie_pool.del_cookie(request.cookies) yield request if response.code in (request.down_mid.get("code")): '''失败处理,response——code不为正确的状态码时,删除当前cookie并重新生产cookie''' down_mid = copy.copy(request.down_mid) key = down_mid.get("key") page_url = down_mid.get("page_url") cookie_pool = PageCookiePool(redis_key=key, page_url=page_url, selenium=False) cookie_pool.del_cookie(request.cookies) yield request items = request.item if isinstance(request.item, dict) else request.item.to_dict data_item = DataBakItem(**items) html = '' for xpath in request.deal_detail: htmls = response.xpath(xpath).extract_first() # 标书详细内容 if request.to_dict.get('conn_html', None): if htmls is not None: html += htmls else: if htmls is not None: html = htmls break data_item.contenthtml = html yield data_item def detail_json(self, request, response): """ 处理json串及其他格式的返回结果 :param request: :param response: :return: """ if request.down_mid.get("text") and request.down_mid.get("text") in response.text: '''失败处理,当text设置不为None,且在resposne.text中时,删除当前cookie并重新生产cookie''' down_mid = copy.copy(request.down_mid) key = down_mid.get("key") page_url = down_mid.get("page_url") cookie_pool = PageCookiePool(redis_key=key, page_url=page_url, selenium=False) cookie_pool.del_cookie(request.cookies) yield request if response.code in (request.down_mid.get("code")): '''失败处理,response——code不为正确的状态码时,删除当前cookie并重新生产cookie''' down_mid = copy.copy(request.down_mid) key = down_mid.get("key") page_url = down_mid.get("page_url") cookie_pool = PageCookiePool(redis_key=key, page_url=page_url, selenium=False) cookie_pool.del_cookie(request.cookies) yield request items = request.item data_item = DataBakItem(**items) html = '' exec(request.deal_detail) data_item.contenthtml = html yield data_item if __name__ == "__main__": Details(redis_key="detail:cookie").start()