Using Scrapy with Selenium to scape a rendered page

scrapy_plus_selenium_renderedpage

    #Using Scrapy with Selenium to scape a rendered page [Updated]
    from scrapy.contrib.spiders.init import InitSpider
    from scrapy.http import Request, FormRequest
    from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor
    from scrapy.contrib.spiders import CrawlSpider, Rule
     
    from scrapy.spider import BaseSpider
    from scrapy.selector import HtmlXPathSelector
     
    from selenium import selenium
     
    from linkedpy.items import LinkedPyItem
     
    class LinkedPySpider(InitSpider):
        name = 'LinkedPy'
        allowed_domains = ['linkedin.com']
        login_page = 'https://www.linkedin.com/uas/login'
        start_urls = ["http://www.linkedin.com/csearch/results?type=companies&keywords=&pplSearchOrigin=GLHD&pageKey=member-home&search=Search#facets=pplSearchOrigin%3DFCTD%26keywords%3D%26search%3DSubmit%26facet_CS%3DC%26facet_I%3D80%26openFacets%3DJO%252CN%252CCS%252CNFR%252CF%252CCCR%252CI"]
     
        def __init__(self):
            InitSpider.__init__(self)
            self.verificationErrors = []
            self.selenium = selenium("localhost", 4444, "*firefox", "http://www.linkedin.com")
            self.log("nnn Starting the Selenium Server! nnn")
            self.selenium.start()
            self.log("nnn Successfully, Started the Selenium Server! nnn")
     
        def __del__(self):
            self.selenium.stop()
            print self.verificationErrors
            CrawlSpider.__del__(self)
     
        def init_request(self):
            #"""This function is called before crawling starts."""
            return Request(url=self.login_page, callback=self.login)
     
        def login(self, response):
            #"""Generate a login request."""
            return FormRequest.from_response(response,
                        formdata={'session_key': 'email@address.com', 'session_password': 'password'},
                        callback=self.check_login_response)
     
        def check_login_response(self, response):
            #"""Check the response returned by a login request to see if we aresuccessfully logged in."""
            if "Sign Out" in response.body:
                self.log("nnnSuccessfully logged in. Let's start crawling!nnn")
                # Now the crawling can begin..
                return self.initialized()
            else:
                self.log("nnnFailed, Bad times :(nnn")
                # Something went wrong, we couldn't log in, so nothing happens.
     
        def parse(self, response):
            hxs = HtmlXPathSelector(response)        
            sel = self.selenium
            sel.open(response.url)
            time.sleep(2.5)
            sites = sel.select('//ol[@id='result-set']/li')
            items = []
            for site in sites:
                item = LinkedPyItem()
                item['title'] = site.select('h2/a/text()').extract()
                item['link'] = site.select('h2/a/@href').extract()
                items.append(item)
            return items