text: def get_classes_of_type(module, class_type):
      """ Within a module, there can be many class definitions. This filters all
      classes within a module that inherit from class_type. Useful for getting
      all blueprints from a views module, or orm objects from a models module.
      """
      object_names = filter(
          lambda x: issubclass(type(getattr(module, x)), class_type),
          module.__dict__
      )
  
      return [getattr(module, object_name) for object_name in object_names]
  