new_contents: import optparse
  
  from django.utils.importlib import import_module
  
  def main():
      parser = optparse.OptionParser()
      parser.add_option('--settings', dest='settings')
      
      options, args = parser.parse_args()
      settings = import_module(options.settings)
      
      for consumer in settings.CONSUMERS:
          ConsumerClass = import_module(consumer)
          consumer = ConsumerClass(settings)
          consumer.run()
      
      for producer in settings.PRODUCERS:
          ProducerClass = import_module(producer)
          producer = ProducerClass(settings)
          producer.run()
      
  
  if __name__ == '__main__':
      main()
  
subject: Add a runner scripts