def migrate_tasks(source, dest, migrate=migrate_task, app=None, queues=None, **kwargs):
 app = app_or_default(app)
 queues = prepare_queues(queues)
 producer = app.amqp.Producer(dest, auto_declare=False)
 migrate = partial(migrate, producer, queues=queues)
 def on_declare_queue(queue):
  new_queue = queue(producer.channel)
  new_queue.name = queues.get(queue.name, queue.name)
  if (new_queue.routing_key == queue.name):
   new_queue.routing_key = queues.get(queue.name, new_queue.routing_key)
  if (new_queue.exchange.name == queue.name):
   new_queue.exchange.name = queues.get(queue.name, queue.name)
  new_queue.declare()
 return start_filter(app, source, migrate, queues=queues, on_declare_queue=on_declare_queue, **kwargs)

def migrate_tasks ( source , dest , migrate = migrate_task , app = None , queues = None , ** kwargs ) : app = app_or_default ( app ) queues = prepare_queues ( queues ) producer = app . amqp . Producer ( dest , auto_declare = False ) migrate = partial ( migrate , producer , queues = queues ) def on_declare_queue ( queue ) : new_queue = queue ( producer . channel ) new_queue . name = queues . get ( queue . name , queue . name ) if ( new_queue . routing_key == queue . name ) : new_queue . routing_key = queues . get ( queue . name , new_queue . routing_key ) if ( new_queue . exchange . name == queue . name ) : new_queue . exchange . name = queues . get ( queue . name , queue . name ) new_queue . declare ( ) return start_filter ( app , source , migrate , queues = queues , on_declare_queue = on_declare_queue , ** kwargs )
migrate tasks from one broker to another .