scrapy snippet

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()