Subversion Repositories SmartDukaan

'''

Created on 17-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.DataAccessor import *

from datastore.DataCodeAccessor import *

import urllib

from xml.dom import INDEX_SIZE_ERR

from html2text.unescaping import *

class indiaplaza_extra(BaseSpider):

    def __init__(self):

       initialize_table()

       #INDIAPLAZA_DOMAINNAME1 = "indiaplaza1" 

       INDIAPLAZA_DOMAINNAME1 = get_code_word("INDIAPLAZA_DOMAINNAME1")  

       self.domain_name = INDIAPLAZA_DOMAINNAME1

        # get urls from the database and append them in the list for crawling

       da = DataHelper()

       for pitem in da.get_all_ipbasic():

            self.start_urls.append(pitem.v_site.strip())

    def start_requests(self):

        listreq = []

        #for each request a referer has to be set

        #INDIAPLAZA_REFERER = "www.google.com/search"

        INDIAPLAZA_REFERER = get_code_word("INDIAPLAZA_REFERER")

        for url1 in self.start_urls:

            request = Request(url = str(url1), callback=self.parse)

            request.headers.setdefault("Referer", INDIAPLAZA_REFERER)

            listreq.append(request)

        return listreq

    def parse(self, response):

        hxs = HtmlXPathSelector(response)

        #INDIAPLAZA_REMOVELIST = ["Rs.","Rs",",","-","/"]

        #List separated by ';'

        INDIAPLAZA_REMOVELIST = get_code_word("INDIAPLAZA_REMOVELIST")

        INDIAPLAZA_REMOVELIST = INDIAPLAZA_REMOVELIST.split(';') 

        #INDIAPLAZA_XPATH4 = './/div[@class="finDetHdr"]/h1/text()' 

        INDIAPLAZA_XPATH4 = get_code_word("INDIAPLAZA_XPATH4")

        #INDIAPLAZA_XPATH5 = './/div[@class="priceArea"]/span[1]/text()'

        INDIAPLAZA_XPATH5 = get_code_word("INDIAPLAZA_XPATH5")

        #INDIAPLAZA_XPATH6 = './/div[@class="priceArea"]/div[@class="row"][2]/text()'

        INDIAPLAZA_XPATH6 = get_code_word("INDIAPLAZA_XPATH6")

        #INDIAPLAZA_XPATH7 = './/div[@class="priceArea"]/div[@class="row"][2]/span/text()'

        INDIAPLAZA_XPATH7 = get_code_word("INDIAPLAZA_XPATH7")

        #INDIAPLAZA_XPATH8 = './/div[@class="priceArea"]/div[@class="row"][3]/text()'

        INDIAPLAZA_XPATH8 = get_code_word("INDIAPLAZA_XPATH8")

        #INDIAPLAZA_XPATH9 = './/div[@class="priceArea"]/div[@class="row"][4]/text()'

        INDIAPLAZA_XPATH9 = get_code_word("INDIAPLAZA_XPATH9")

        #INDIAPLAZA_XPATH10 = './/div[@class="priceArea"]/div[@class="row"][1]/text()'

        INDIAPLAZA_XPATH10 = get_code_word("INDIAPLAZA_XPATH10")

        name = hxs.select(INDIAPLAZA_XPATH4)[0].extract()

        name = unescape(name)

        price = hxs.select(INDIAPLAZA_XPATH5)[0].extract()

        try:

            ship_price = hxs.select(INDIAPLAZA_XPATH6)[0].extract()

        except IndexError:

            ship_price = hxs.select(INDIAPLAZA_XPATH7)[0].extract()

        try:

            guarantee_info = hxs.select(INDIAPLAZA_XPATH8)[0].extract()

        except IndexError:

            guarantee_info = hxs.select(INDIAPLAZA_XPATH9)[0].extract()

        ship_info = hxs.select(INDIAPLAZA_XPATH10)[0].extract() 

        urllib.unquote(name)

        urllib.unquote(price)

        urllib.unquote(ship_price)

        urllib.unquote(guarantee_info)

        urllib.unquote(ship_info)

        #INDIAPLAZA_VAR1 = "Free shipping" 

        INDIAPLAZA_VAR1 = get_code_word("INDIAPLAZA_VAR1")

        if ship_price == INDIAPLAZA_VAR1:

            ship_price = "0"

        else :

            if ship_price != '':        

                for r in INDIAPLAZA_REMOVELIST: 

                    while ship_price.find(r) != -1:

                        ship_price = ship_price.replace(r, "")

        if price != '':        

                for r in INDIAPLAZA_REMOVELIST: 

                    while price.find(r) != -1:

                        price = price.replace(r, "")

        name = name.strip()

        price = price.strip()

        ship_price = ship_price.strip()

        guarantee_info = guarantee_info.strip()

        ship_info = ship_info.strip()

        shown_pr = int(price)

        final_pr = shown_pr + int(ship_price)

        da = DataHelper()

        da.add_ipextra(name,shown_pr,final_pr,guarantee_info,ship_info)        

SPIDER = indiaplaza_extra()