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
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# -*- 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。