码迷,mamicode.com
首页 > 其他好文 > 详细

scrapy snippet

时间:2014-10-01 19:29:51      阅读:186      评论:0      收藏:0      [点我收藏+]

标签:blog   http   ar   for   文件   sp   div   art   c   

1. spider文件

from scrapy.contrib.spiders import CrawlSpider, Rule
from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor
from scrapy.selector import HtmlXPathSelector

item = DomzItem()
image_urls = hxs.select(‘//img/@src‘).extract()
item[‘image_urls‘] = ["http:" + x for x in image_urls]
return item

 

from scrapy.selector import HtmlXPathSelector
hxs = HtmlXPathSelector(response)

 

 

name = "wikipedia"
allowed_domains = ["wikipedia.org"]
start_urls = [
  "http://en.wikipedia.org/wiki/Pune"
]

 

 

 2. setting文件

ITEM_PIPELINES = [‘scrapy.contrib.pipeline.images.ImagesPipeline‘]
IMAGES_STORE= ‘...‘

 

3. item 文件

 image_urls = Field()
 images = Field() 

 

scrapy snippet

标签:blog   http   ar   for   文件   sp   div   art   c   

原文地址:http://www.cnblogs.com/bushe/p/4003392.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!