Scrapy 爬取保险条款 -《狗嗨默示录》-

class IachinaItem(scrapy.Item):
    # define the fields for your item here like:
    # name = scrapy.Field()
    COMPANY = scrapy.Field()
    TYPE = scrapy.Field()
    PRODUCT = scrapy.Field()
    CLAUSE = scrapy.Field()
    CLAUSE_URL = scrapy.Field()

# -*- coding: utf-8 -*-
import scrapy
from IAChina.items import IachinaItem

class IachinaSpider(scrapy.Spider):
    name = ‘iachina‘
    allowed_domains = [‘old.iachina.cn‘]
    start_urls = [‘http://old.iachina.cn/product.php?action=company&ttype=2&page={}‘.format(i) for i in range(1,4)]

    def parse(self, response):
        if not response:
            self.log("Company Page error -- %s"%response.url)
        for sel in response.xpath(‘//div[@class="prolist"]/ul/li/a‘):
            item = IachinaItem()
            item[‘COMPANY‘] = sel.xpath(‘text()‘).extract()
            company_href = sel.xpath(‘@href‘).extract_first()
            company_url = response.urljoin(company_href)
            yield scrapy.Request(url=company_url,meta={‘item‘:item},callback=self.parse_type)

    def parse_type(self,response):
        if not response:
            self.log("Type Page erroe -- %s"%response.url)
        for sel in response.xpath(‘//div[@class="prolist"]/ul/li/a‘):
            item = response.meta[‘item‘]
            item[‘TYPE‘] = sel.xpath(‘text()‘).extract()
            type_href = sel.xpath(‘@href‘).extract_first()
            type_url = response.urljoin(type_href)
            yield scrapy.Request(url=type_url, meta={‘item‘: item}, callback=self.parse_product)

    def parse_product(self,response):
        if not response:
            self.log("Product Page erroe -- %s"%response.url)
        for sel in response.xpath(‘//div[@class="prolist"]/ul/li/a‘):
            item = response.meta[‘item‘]
            item[‘PRODUCT‘] = sel.xpath(‘text()‘).extract()
            product_href = sel.xpath(‘@href‘).extract_first()
            product_url = response.urljoin(product_href)
            yield scrapy.Request(url=product_url, meta={‘item‘: item}, callback=self.parse_clause)

    def parse_clause(self,response):
        if not response:
            self.log("Clause Page erroe -- %s"%response.url)
        for sel in response.xpath(‘//div[@class="prolist"]/table/tr[2]/td/a‘):
            item = response.meta[‘item‘]
            item[‘CLAUSE‘] = sel.xpath(‘text()‘).extract()
            clause_href = sel.xpath(‘@href‘).extract_first()
            item[‘CLAUSE_URL‘] = response.urljoin(clause_href)
            yield item