code: def stack_template_key_name(blueprint):
      
      name = blueprint.name
      return "stack_templates/%s/%s-%s.json" % (blueprint.context.get_fqn(name),
                                                name,
                                                blueprint.version)
docs: Given a blueprint, produce an appropriate key name.
  
      Args:
          blueprint (:class:`stacker.blueprints.base.Blueprint`): The blueprint
              object to create the key from.
  
      Returns:
          string: Key name resulting from blueprint.