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scrapy snippet

时间:2014-10-01 18:12:41      阅读:389      评论:0      收藏:0      [点我收藏+]

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

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

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