Subversion Repositories SmartDukaan

'''
Created on 11-May-2010

@author: gaurav
'''


from scrapy.spider import BaseSpider
from scrapy.selector import HtmlXPathSelector
from scrapy.http import Request

from demo.items import DemoItem
from scrapy.contrib.spidermiddleware import referer
from scrapy.http.headers import Headers
from scrapy.http.request.form import FormRequest
from scrapy.log import msg
from scrapy.http.response import Response
from datastore import DataAccessor
from datastore.DataAccessor import DataHelper


class scrapy_price1(BaseSpider):
    
    def __init__(self):
        #f = open('/home/gaurav/twopassscrapy/pricelinks.txt', 'r')
        self.domain_name = "price_collector"
        #count = 0
        #for line in f.xreadlines():
         #   count = (count+1)%2
          #  if count%2 != 0:
           #     continue
            #print line
            #self.start_urls.append(line.strip())
            
        #f.close()
        da = DataHelper()
        for pitem in da.get_all_phones():
            self.start_urls.append(pitem.url.strip())
        #print "starturls"
        #print self.start_urls
        
    def start_requests(self):
        listreq = []
        for url1 in self.start_urls:
            request = Request(url = url1, callback=self.parse)
            request.headers.setdefault("Referer", "www.google.com/search")
            listreq.append(request)
        #print "request"
        #print request
        
        return listreq
    
    def parse(self, response):
        hxs1 = HtmlXPathSelector(response)
        #print "url"
        #msg(response.url)
        #print "body"
        #msg(response.body)
        print("this is parse1")
        temp = hxs1.select('//span[@class="infiPrice amount"]/text()').extract()
        print "temp"
        
        amnt = str(temp[0].strip())
        amnt = amnt.replace(",", "")
        print int(amnt.strip())
        da = DataHelper()
        da.set_crawled(response.url, True)
        da.add_price(response.url , int(amnt.strip()))
        
        #print temp
        
SPIDER = scrapy_price1()