platform-spiders/gd_gdsggzyjypt_zjfw_zxgs/中介服务-中选公示-列表页.py

# -*- coding: utf-8 -*-
"""
Created on 2024-01-04
---------
@summary: 广东省公共资源交易平台
---------
@author: lzz
"""
import json
from collections import namedtuple

import feapder
from items.spider_item import BidingListItem

from gd_utils import *


class Spider(feapder.BiddingListSpider):

    def start_callback(self):
        Menu = namedtuple('Menu', ['channel', 'code', 'tid', 'crawl_page'])

        self.site = "广东省公共资源交易平台"

        self.menus = [
            Menu('中介服务-中选公示', 'gd_gdsggzyjypt_zjfw_zxgs', '2151,3151', 1),
            Menu('中介服务-中选公示', 'gd_gdsggzyjypt_zjfw_zxgs', '2141,3141', 1),
        ]

    def start_requests(self):
        url = "https://ygp.gdzwfw.gov.cn/ggzy-portal/search/v2/items"
        for menu in self.menus:
            yield feapder.Request(url, item=menu._asdict(), page=1)

    def download_midware(self, request):
        page = request.page
        menu = request.item
        data = {
            "type": "trading-type",
            "openConvert": False,
            "keyword": "",
            "siteCode": "44",
            "secondType": "R",
            "tradingProcess": menu.get('tid'),
            "thirdType": "[]",
            "projectType": "",
            "publishStartTime": "",
            "publishEndTime": "",
            "pageNo": page,
            "pageSize": 10
        }
        en_str = get_enstr(data)
        data = json.dumps(data, separators=(',', ':'))
        request.data = data
        request.headers = {
            "Accept": "application/json, text/plain, */*",
            "Accept-Language": "zh-CN,zh;q=0.9",
            "Cache-Control": "no-cache",
            "Connection": "keep-alive",
            "Content-Type": "application/json",
            "Origin": "https://ygp.gdzwfw.gov.cn",
            "Pragma": "no-cache",
            "Referer": "https://ygp.gdzwfw.gov.cn/ggzy-portal/",
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36",
            "X-Dgi-Req-App": en_str.get('X-Dgi-Req-App'),
            "X-Dgi-Req-Nonce": en_str.get('X-Dgi-Req-Nonce'),
            "X-Dgi-Req-Signature": en_str.get('X-Dgi-Req-Signature'),
            "X-Dgi-Req-Timestamp": en_str.get('X-Dgi-Req-Timestamp'),
        }

    def parse(self, request, response):
        menu = request.item
        info_list = response.json.get('data').get('pageData')
        for info in info_list:
            noticeSecondType = info.get('noticeSecondType')
            edition = info.get('edition')
            noticeId = info.get('noticeId')
            projectCode = info.get('projectCode')
            tradingProcess = info.get('tradingProcess')
            siteCode = info.get('regionCode')
            publishDate = info.get('publishDate')

            params = {
                "siteCode": f"{siteCode}",
                "tradingType": f"{noticeSecondType}",
                "bizCode": f"{tradingProcess}",
                "projectCode": f"{projectCode}"
            }

            nodeId = get_nodeId(params, proxies=request.get_proxies()).get(noticeId)
            info['nodeId'] = nodeId

            href = create_href(info)
            title = info.get('noticeTitle').strip()
            create_time = deal_time(publishDate)
            regionName = info.get('regionName', '').strip()

            area = "广东"
            city = regionName

            list_item = BidingListItem()  # 存储数据的管道
            list_item.href = href  # 标书链接
            list_item.unique_key = ('href',)
            list_item.channel = menu.get("channel")  # 最上方定义的抓取栏目 （编辑器定的）
            list_item.spidercode = menu.get("code")  # 最上方定义的爬虫code（编辑器定的）
            list_item.title = title  # 标题
            list_item.site = self.site
            list_item.publishtime = create_time
            list_item.area = area  # 城市默认:全国
            list_item.city = city  # 城市 默认为空

            list_item.parse = "self.detail_get"  # 详情页回调方法

            dparams = {
                "nodeId": f"{nodeId}",
                "version": f"{edition}",
                "tradingType": f"{noticeSecondType}",
                "noticeId": f"{noticeId}",
                "bizCode": f"{tradingProcess}",
                "projectCode": f"{projectCode}",
                "siteCode": f"{siteCode}"
            }
            list_item.request_params = {"params": dparams}
            list_item.deal_detail = []  # 抽取正文xpath
            list_item.proxies = False
            list_item.parse_url = "https://ygp.gdzwfw.gov.cn/ggzy-portal/center/apis/trading-notice/new/detail"

            yield list_item

        # 无限翻页
        request = self.infinite_pages(request, response)
        yield request


if __name__ == "__main__":
    Spider(redis_key="lzz:gdsggzyjypt_zjfw_zxgg").start()