code: def all_active(cls):
          
  
          prefix = context.get_current_config()["redis_prefix"]
          queues = []
          for key in context.connections.redis.keys():
              if key.startswith(prefix):
                  queues.append(Queue(key[len(prefix) + 3:]))
  
          return queues
docs: List active queues, based on their lengths in Redis. Warning, uses the unscalable KEYS redis command