code: def parse_stack(self, global_params, region, stack):
          
          stack['id'] = stack.pop('StackId')
          stack['name'] = stack.pop('StackName')
          stack_policy = api_clients[region].get_stack_policy(StackName = stack['name'])
          if 'StackPolicyBody' in stack_policy:
              stack['policy'] = json.loads(stack_policy['StackPolicyBody'])
          self.stacks[stack['name']] = stack
docs: Parse a single stack and fetch additional attributes
  
          :param global_params:           Parameters shared for all regions
          :param region:                  Name of the AWS region
          :param stack_url:               URL of the AWS stack