Python Scrapy爬虫,听说妹子图挺火,我整站爬取了,上周一共搞了大概8000多张图片。和大家分享一下。
核心爬虫代码
# -*- coding: utf-8 -*- from scrapy.selector import Selector import scrapy from scrapy.contrib.loader import Itemloader,Identity from fun.items import MeizituItem class MeizituSpider(scrapy.Spider): name = "meizitu" allowed_domains = ["meizitu.com"] start_urls = ( 'http://www.meizitu.com/',) def parse(self,response): sel = Selector(response) for link in sel.xpath('//h2/a/@href').extract(): request = scrapy.Request(link,callback=self.parse_item) yield request pages = sel.xpath("//div[@class='navigation']/div[@id='wp_page_numbers']/ul/li/a/@href").extract() print('pages: %s' % pages) if len(pages) > 2: page_link = pages[-2] page_link = page_link.replace('/a/','') request = scrapy.Request('http://www.meizitu.com/a/%s' % page_link,callback=self.parse) yield request def parse_item(self,response): l = Itemloader(item=MeizituItem(),response=response) l.add_xpath('name','//h2/a/text()') l.add_xpath('tags',"//div[@id='maincontent']/div[@class='postMeta clearfix']/div[@class='MetaRight']/p") l.add_xpath('image_urls',"//div[@id='picture']/p/img/@src",Identity()) l.add_value('url',response.url) return l.load_item()
项目地址:https://github.com/ZhangBohan/fun_crawler
以上所述就是本文的全部内容了,希望大家能够喜欢。