code: def purge_queues(self, queues):
          
          for name, vhost in queues:
              vhost = quote(vhost, '')
              name = quote(name, '')
              path = Client.urls['purge_queue'] % (vhost, name)
              self._call(path, 'DELETE')
          return True
docs: Purge all messages from one or more queues.
  
          :param list queues: A list of ('qname', 'vhost') tuples.
          :returns: True on success