code: def load_crawler(self, crawler, url, ignore_regex):
          
          self.process = CrawlerProcess(self.cfg.get_scrapy_options())
          self.process.crawl(
              crawler,
              self.helper,
              url=url,
              config=self.cfg,
              ignore_regex=ignore_regex)
docs: Loads the given crawler with the given url.
  
          :param class crawler: class of the crawler to load
          :param str url: url to start the crawler with
          :param regex ignore_regex: to be able to ignore urls that match this
                                     regex code