text: # Copyright 2014 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.
  
  """Describe operations command."""
  from apitools.base.py import exceptions as apitools_exceptions
  
  from googlecloudsdk.api_lib.container import util
  from googlecloudsdk.calliope import base
  from googlecloudsdk.calliope import exceptions
  
  
  class Describe(base.DescribeCommand):
    """Describe an operation."""
  
    @staticmethod
    def Args(parser):
      """Register flags for this command.
  
      Args:
        parser: An argparse.ArgumentParser-like object. It is mocked out in order
            to capture some information, but behaves like an ArgumentParser.
      """
      parser.add_argument('operation_id', help='The operation id to look up.')
  
    def Run(self, args):
      """This is what gets called when the user runs this command.
  
      Args:
        args: an argparse namespace. All the arguments that were provided to this
          command invocation.
  
      Returns:
        Some value that we want to have printed later.
      """
      adapter = self.context['api_adapter']
      location_get = self.context['location_get']
      location = location_get(args)
  
      try:
        return adapter.GetOperation(adapter.ParseOperation(
            args.operation_id, location))
      except apitools_exceptions.HttpError as error:
        raise exceptions.HttpException(error, util.HTTP_ERROR_FORMAT)
  