text: # -*- coding: utf-8 -*- #
  # Copyright 2015 Google Inc. 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.
  
  """Command for getting IAM policies for device registries."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import unicode_literals
  
  from googlecloudsdk.api_lib.cloudiot import registries
  from googlecloudsdk.calliope import base
  from googlecloudsdk.command_lib.iot import resource_args
  
  
  @base.ReleaseTracks(base.ReleaseTrack.GA, base.ReleaseTrack.BETA)
  class GetIamPolicy(base.ListCommand):
    """Get the IAM policy for a device registry.
  
    This command gets the IAM policy for a device registry. If formatted as
    JSON, the output can be edited and used as a policy file for
    set-iam-policy. The output includes an "etag" field identifying the version
    emitted and allowing detection of concurrent policy updates; see
    $ gcloud iot registries set-iam-policy for additional details.
    """
  
    detailed_help = {
        'DESCRIPTION':
            '{description}',
        'EXAMPLES':
            """\
            To print the IAM policy for a given device registry, run:
  
              $ {command} --region us-central1 my-registry
            """,
    }
  
    @staticmethod
    def Args(parser):
      resource_args.AddRegistryResourceArg(parser, 'for which to get IAM policy')
      base.URI_FLAG.RemoveFromParser(parser)
  
    def Run(self, args):
      client = registries.RegistriesClient()
      registry_ref = args.CONCEPTS.registry.Parse()
  
      return client.GetIamPolicy(registry_ref)
  