import scrapy
from shopclues.items import ShopcluesItem
from scrapy.contrib.spiders import CrawlSpider, Rule
from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor

class ShopcluesSpider(scrapy.Spider):
  name = 'shopclues'
  allowed_domains = ['http://www.shopclues.com/search?
       q=samsung&sc_z=4444&z=0']
  start_urls = ['http://www.shopclues.com/search?
       q=samsung&sc_z=4444&z=0/']
  rules = (
    Rule(SgmlLinkExtractor(allow=()), callback="parse_items", follow=
     True))
  def parse(self, response):
     prices =
         response.xpath('//span[@class="p_price"]/text()').extract()
     discounts =
      response.xpath('//span[@class="prd_discount"]/text()').extract()
     for item in zip(prices,discounts):
       scraped_info = {
           'prices' : item[0],

           'discounts' : item[1]
               }
       yield scraped_info