本文实例讲述了Python使用scrapy抓取网站sitemap信息的方法。分享给大家供大家参考。具体如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
import refrom scrapy.spider import BaseSpiderfrom scrapy import logfrom scrapy.utils.response import body_or_strfrom scrapy.http import Requestfrom scrapy.selector import HtmlXPathSelectorclass SitemapSpider(BaseSpider): name = "SitemapSpider" start_urls = ["http://www.domain.com/sitemap.xml"] def parse(self, response): nodename = 'loc' text = body_or_str(response) r = re.compile(r"(<%s[\s>])(.*?)(</%s>)"%(nodename,nodename),re.DOTALL) for match in r.finditer(text): url = match.group(2) yield Request(url, callback=self.parse_page) def parse_page(self, response): hxs = HtmlXPathSelector(response) #Mock Item blah = Item() #Do all your page parsing and selecting the elemtents you want blash.divText = hxs.select('//div/text()').extract()[0] yield blah |
希望本文所述对大家的Python程序设计有所帮助。
