text: # -*- coding: utf-8 -*- #
  # Copyright 2019 Google LLC. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """Undelete command for the Label Manager - Label Keys CLI."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import unicode_literals
  
  from googlecloudsdk.api_lib.labelmanager import service as labelmanager
  from googlecloudsdk.calliope import base
  from googlecloudsdk.command_lib.labelmanager import arguments
  from googlecloudsdk.command_lib.labelmanager import operations
  from googlecloudsdk.command_lib.labelmanager import utils
  
  
  @base.Hidden
  @base.ReleaseTracks(base.ReleaseTrack.ALPHA)
  class Undelete(base.Command):
    """Undeletes the specified LabelKey resource.
  
      Undeletes the LabelKey resource given the LabelKey's display name
      and parent or the LabelKey's numeric id.
    """
  
    detailed_help = {
        'EXAMPLES':
            """
            To undelete a LabelKey with id '123', run:
  
              $ {command} labelKeys/123
  
            To undelete a LabelKey with the name 'env' under 'organizations/456',
            run:
  
              $ {command} env --label_parent='organizations/456'
            """
    }
  
    @staticmethod
    def Args(parser):
      group = parser.add_argument_group('LabelKey.')
      arguments.AddLabelParentArgToParser(
          group,
          message=('This field is required if LABEL_KEY_ID is a display name '
                   'instead of a numeric id.'))
      arguments.AddLabelKeyIdArgToParser(group)
      arguments.AddAsyncArgToParser(parser)
  
    def Run(self, args):
      labelkeys_service = labelmanager.LabelKeysService()
      labelmanager_messages = labelmanager.LabelManagerMessages()
  
      if args.IsSpecified('label_parent'):
        label_key = utils.GetLabelKeyFromDisplayName(args.LABEL_KEY_ID,
                                                     args.label_parent)
      else:
        label_key = args.LABEL_KEY_ID
  
      undelete_request = labelmanager_messages.LabelmanagerLabelKeysUndeleteRequest(
          name=label_key)
      op = labelkeys_service.Undelete(undelete_request)
  
      if args.async_:
        return op
      else:
        done_op = operations.WaitForOperation(
            op, 'Waiting for LabelKey [{}] to be undeleted with [{}]'.format(
                args.LABEL_KEY_ID, op.name), labelkeys_service)
        return done_op
  