text: # /*
  #  * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
  #  * SPDX-License-Identifier: MIT-0
  #  *
  #  * Permission is hereby granted, free of charge, to any person obtaining a copy of this
  #  * software and associated documentation files (the "Software"), to deal in the Software
  #  * without restriction, including without limitation the rights to use, copy, modify,
  #  * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
  #  * permit persons to whom the Software is furnished to do so.
  #  *
  #  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
  #  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  #  * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  #  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  #  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  #  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #  */
   
  import json
  import boto3
  import os
  
  
  def lambda_handler(event, context):
      
      rekog_client = boto3.client('rekognition')
      projectversionarn = os.environ['rekog_model_project_version_arn']
      projectarn = os.environ['rekog_model_project_arn']
      running_states = ['STARTING', 'RUNNING']
      projectversionname = projectversionarn.split("/")[3]
      # Check if already running
      # Call Custom Rekog
      try:
          isrunning_response = rekog_client.describe_project_versions(
              ProjectArn=projectarn,
              VersionNames=[projectversionname]
          )
      except Exception as e:
          print(e)
      running_status = isrunning_response['ProjectVersionDescriptions'][0]['Status']
      if running_status in running_states:
          # Stop Model
          try:
              running_status = rekog_client.stop_project_version(
                  ProjectVersionArn=projectversionarn
              )
          except Exception as e:
              print(e)
          print('Model Start Status: %s' % running_status)
      else:
          # If not running - Do Nothing
          print('Model Start Status: %s' % running_status)
      return running_status
  