text: # -*- coding: utf-8 -*- #
  # Copyright 2014 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.
  
  """gcloud dns record-sets transaction abort command."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import unicode_literals
  
  import os
  
  from googlecloudsdk.api_lib.dns import transaction_util
  from googlecloudsdk.calliope import base
  from googlecloudsdk.command_lib.dns import flags
  from googlecloudsdk.core import log
  
  
  class Abort(base.Command):
    """Abort transaction.
  
    This command aborts the transaction and deletes the transaction file.
  
    ## EXAMPLES
  
    To abort the transaction, run:
  
      $ {command} --zone MANAGED_ZONE
    """
  
    @staticmethod
    def Args(parser):
      flags.GetZoneArg().AddToParser(parser)
  
    def Run(self, args):
      if not os.path.isfile(args.transaction_file):
        raise transaction_util.TransactionFileNotFound(
            'Transaction not found at [{0}]'.format(args.transaction_file))
  
      os.remove(args.transaction_file)
  
      log.status.Print('Aborted transaction [{0}].'.format(args.transaction_file))
  