code: def start_crawler(self, index, daemonize=False):
          
          call_process = [sys.executable,
                          self.__single_crawler,
                          self.cfg_file_path,
                          self.json_file_path,
                          "%s" % index,
                          "%s" % self.shall_resume,
                          "%s" % daemonize]
  
          self.log.debug("Calling Process: %s", call_process)
  
          crawler = Popen(call_process,
                          stderr=None,
                          stdout=None)
          crawler.communicate()
          self.crawlers.append(crawler)
docs: Starts a crawler from the input-array.
  
          :param int index: The array-index of the site
          :param int daemonize: Bool if the crawler is supposed to be daemonized
                                (to delete the JOBDIR)