docs: def uninstall_host(trg_queue, *hosts, **kwargs):
      '''Idempotently uninstall a host queue, should you want to subvert FSQ_ROOT
         settings, merely pass in an abolute path'''
      # immediately down the queue
      item_user = kwargs.pop('item_user', None)
      item_group = kwargs.pop('item_group', None)
      item_mode = kwargs.pop('item_mode', None)
      for host in hosts:
      # immediately down the queue
          try:
              down_host(trg_queue, host, user=item_user, group=item_group,
                   mode=(_c.FSQ_ITEM_MODE if item_mode is None else item_mode))
          except FSQError, e:
              raise FSQInstallError(e.errno, wrap_io_os_err(e))
          tmp_full, tmp_queue = _tmp_trg(host, fsq_path.hosts(trg_queue))
          _remove_dir(fsq_path.base(trg_queue, host), tmp_full, trg_queue)