text: #
  # All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
  # its licensors.
  #
  # For complete copyright and license terms please see the LICENSE at the root of this
  # distribution (the "License"). All use of this software is governed by the License,
  # or, if provided, by the license below or the license accompanying this file. Do not
  # remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #
  
  import account_utils
  import errors
  import service
  
  @service.api
  def get(request, IdentityProviderId):
      if IdentityProviderId != account_utils.IDP_COGNITO:
          raise errors.ClientError('Only the {} identity provider is supported.'.format(account_utils.IDP_COGNITO))
  
      pool = account_utils.get_user_pool_client().describe_user_pool(UserPoolId = account_utils.get_user_pool_id())
      numberOfUsers = pool.get('UserPool', {}).get('EstimatedNumberOfUsers', 0)
  
      return {'EstimatedNumberOfUsers': numberOfUsers}
  