Subversion Repositories SmartDukaan

import urllib2
from BeautifulSoup import BeautifulSoup
import re
from sys import exit
import json

headers = { 
            'User-agent':'Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36',
            'Accept' : 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',      
            'Accept-Language' : 'en-US,en;q=0.8',                     
            'Accept-Charset' : 'ISO-8859-1,utf-8;q=0.7,*;q=0.3',
            'Cookie':'T=TI141257426738726661427143281839817329423126740566618323641725716448; __sonar=7237334677420142002; __gads=ID=c8b82101a0e4f451:T=1412574724:S=ALNI_MbPMbEOZj2nAGjM54z8ZHFMqwTOTQ; FK-CMP-DATA=; SN=2.VI11FB3FB6ED9D4693A796AB8C965B3417.SI802C325AC43444858830E870C4FD3324.VS141257426735693951472.1412576209; VID=2.VI11FB3FB6ED9D4693A796AB8C965B3417.1412576209.VS141257426735693951472; NSID=2.SI802C325AC43444858830E870C4FD3324.1412576209.VI11FB3FB6ED9D4693A796AB8C965B3417; __utma=19769839.709301254.1412574234.1412574234.1412574234.1; __utmb=19769839.23.10.1412574234; __utmc=19769839; __utmz=19769839.1412574234.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); s_cc=true; gpv_pn=SellerListing%3AMobile%3AMicromax%20Canvas%20Fire%20A093; gpv_pn_t=no%20value; s_sq=%5B%5BB%5D%5D; pincode=110011; s_ppv=36',
            'Connection':'keep-alive'
        }

class FlipkartProductPageScraper:
    def __init__(self):
        self.count_trials = 0
        self.redirectCount = 0
    
    def read(self, url):
        request = urllib2.Request(url)
        request.add_header('Accept','text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8')
        request.add_header('Accept-Language','en-US,en;q=0.8,hi;q=0.6')
        request.add_header('Connection','keep-alive')
        request.add_header('Cookie','T=TI141257426738726661427143281839817329423126740566618323641725716448; __sonar=7237334677420142002; __gads=ID=c8b82101a0e4f451:T=1412574724:S=ALNI_MbPMbEOZj2nAGjM54z8ZHFMqwTOTQ; FK-CMP-DATA=; SN=2.VI11FB3FB6ED9D4693A796AB8C965B3417.SI802C325AC43444858830E870C4FD3324.VS141257426735693951472.1412576209; VID=2.VI11FB3FB6ED9D4693A796AB8C965B3417.1412576209.VS141257426735693951472; NSID=2.SI802C325AC43444858830E870C4FD3324.1412576209.VI11FB3FB6ED9D4693A796AB8C965B3417; __utma=19769839.709301254.1412574234.1412574234.1412574234.1; __utmb=19769839.23.10.1412574234; __utmc=19769839; __utmz=19769839.1412574234.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); s_cc=true; gpv_pn=SellerListing%3AMobile%3AMicromax%20Canvas%20Fire%20A093; gpv_pn_t=no%20value; s_sq=%5B%5BB%5D%5D; pincode=110011; s_ppv=36')
        request.add_header('Cache-Control','max-age=0')
        request.add_header('Host','www.flipkart.com')
        request.add_header('User-Agent','Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36')
        response_data = ""
        redirect_url = ""
        try:
            req = urllib2.Request(url,headers=headers)
            response = urllib2.urlopen(req)
            response_data = response.read()
            response.close()
            print "Fetched response from flipkart for %s" %(url)
            redirect_url = response.url

        except Exception as e:
            print 'ERROR: ', e
            print 'Retrying'
            self.count_trials += 1

            if self.count_trials < 3:
                return self.read(url)

        self.response_data=response_data
        return self.createSoup(url,redirect_url)
    
    
    def createSoup(self,url, redirect_url):
        print "Creating soup from flipkart data for %s" %(url)
        page=self.response_data.decode("utf-8")
        self.soup = BeautifulSoup(page,convertEntities=BeautifulSoup.HTML_ENTITIES)
        print "Soup created from flipkart data for %s" %(url)
        return self.scrape(self.soup,url)

    def scrape(self,soup,url):
        try:
            print "data-config"
            if soup.find('div',{'class':'seller-table-wrap section'}) is None:
                raise
            x = json.loads(soup.find('div',{'class':'seller-table-wrap section'})['data-config'])['dataModel']
            lines = sorted(x, key=lambda k: k['priceInfo'].get('sellingPrice', 0), reverse=False)
            sellingPrice =  float(lines[0]['priceInfo']['sellingPrice'])
            try:
                offerText = lines[0]['offerInfo']['listingOffers'][0]['description']
            except:
                offerText = ""
            return {'lowestSp':sellingPrice,'inStock':1}
        except:
            return {'lowestSp':0,'inStock':0}

if __name__ == '__main__':
    scraper = FlipkartProductPageScraper()
    print scraper.read('http://www.flipkart.com/axe-denim-deodorant-spray-150-ml/p/itmdtbxyjfzfkppn?pid=DEOD8DHEW5NPTMNR')