text: # Copyright 2016, Google, Inc.
  # 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.
  
  # [START datastore_admin_client_create]
  from google.cloud.datastore_admin_v1.gapic import datastore_admin_client
  
  
  def client_create():
      """Creates a new Datastore admin client."""
      client = datastore_admin_client.DatastoreAdminClient()
  
      print("Admin client created\n")
      return client
  # [END datastore_admin_client_create]
  
  
  # [START datastore_admin_entities_export]
  def export_entities(project_id, output_url_prefix):
      """
      Exports a copy of all or a subset of entities from
      Datastore to another storage system, such as Cloud Storage.
      """
      # project_id = "project-id"
      # output_url_prefix = "gs://bucket-name"
      client = datastore_admin_client.DatastoreAdminClient()
  
      op = client.export_entities(project_id, output_url_prefix)
      response = op.result(timeout=200)
  
      print("Entities were exported\n")
      return response
  # [END datastore_admin_entities_export]
  
  
  # [START datastore_admin_entities_import]
  def import_entities(project_id, input_url):
      """Imports entities into Datastore."""
      # project_id := "project-id"
      # input_url := "gs://bucket-name/overall-export-metadata-file"
      client = datastore_admin_client.DatastoreAdminClient()
  
      op = client.import_entities(project_id, input_url)
      response = op.result(timeout=200)
  
      print("Entities were imported\n")
      return response
  # [END datastore_admin_entities_import]
  
  
  # [START datastore_admin_index_get]
  def get_index(project_id, index_id):
      """Gets an index."""
      # project_id := "my-project-id"
      # index_id := "my-index"
      client = datastore_admin_client.DatastoreAdminClient()
      index = client.get_index(project_id, index_id)
  
      print("Got index: %v\n", index.index_id)
      return index
  # [END datastore_admin_index_get]
  
  
  # [START datastore_admin_index_list]
  def list_indexes(project_id):
      """Lists the indexes."""
      # project_id := "my-project-id"
      client = datastore_admin_client.DatastoreAdminClient()
  
      indexes = []
      for index in client.list_indexes(project_id):
          indexes.append(index)
          print("Got index: %v\n", index.index_id)
  
      print("Got list of indexes\n")
      return indexes
  # [END datastore_admin_index_list]
  