content: import logging
  
  from django_rq.management.commands.rqworker import Command as _Command
  
  from netbox.registry import registry
  
  
  DEFAULT_QUEUES = ('high', 'default', 'low')
  
  logger = logging.getLogger('netbox.rqworker')
  
  
  class Command(_Command):
      """
      Subclass django_rq's built-in rqworker to listen on all configured queues if none are specified (instead
      of only the 'default' queue).
      """
      def handle(self, *args, **options):
          # Setup system jobs.
          for job, kwargs in registry['system_jobs'].items():
              try:
                  interval = kwargs['interval']
              except KeyError:
                  raise TypeError("System job must specify an interval (in minutes).")
              logger.debug(f"Scheduling system job {job.name} (interval={interval})")
              job.enqueue_once(**kwargs)
  
          # Run the worker with scheduler functionality
          options['with_scheduler'] = True
  
          # If no queues have been specified on the command line, listen on all configured queues.
          if len(args) < 1:
              queues = ', '.join(DEFAULT_QUEUES)
              logger.warning(
                  f"No queues have been specified. This process will service the following queues by default: {queues}"
              )
              args = DEFAULT_QUEUES
  
          super().handle(*args, **options)
  