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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
# -*- 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。