text: # -*- coding: utf-8 -*- #
  # Copyright 2016 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.
  """Lists users in a given project.
  
  Lists users in a given project in the alphabetical order of the user name.
  """
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import unicode_literals
  
  from googlecloudsdk.api_lib.sql import api_util
  from googlecloudsdk.calliope import base
  from googlecloudsdk.command_lib.sql import flags
  from googlecloudsdk.core import properties
  
  
  @base.ReleaseTracks(base.ReleaseTrack.GA, base.ReleaseTrack.BETA,
                      base.ReleaseTrack.ALPHA)
  class List(base.ListCommand):
    """Lists Cloud SQL users in a given instance.
  
    Lists Cloud SQL users in a given instance in the alphabetical
    order of the user name.
    """
  
    @staticmethod
    def Args(parser):
      flags.AddInstance(parser)
      # TODO(b/36473146): Add an output format test to kill a mutant.
      parser.display_info.AddFormat(flags.USERS_FORMAT_BETA)
      parser.display_info.AddCacheUpdater(flags.UserCompleter)
  
    def Run(self, args):
      """Lists Cloud SQL users in a given instance.
  
      Args:
        args: argparse.Namespace, The arguments that this command was invoked
            with.
  
      Returns:
        SQL user resource iterator.
      """
      client = api_util.SqlClient(api_util.API_VERSION_DEFAULT)
      sql_client = client.sql_client
      sql_messages = client.sql_messages
  
      project_id = properties.VALUES.core.project.Get(required=True)
  
      return sql_client.users.List(
          sql_messages.SqlUsersListRequest(
              project=project_id, instance=args.instance)).items
  