code: def movenodeform_factory(model, form=MoveNodeForm, fields=None, exclude=None,
                           formfield_callback=None,  widgets=None):
      
      _exclude = _get_exclude_for_model(model, exclude)
      return django_modelform_factory(
          model, form, fields, _exclude, formfield_callback, widgets)
docs: Dynamically build a MoveNodeForm subclass with the proper Meta.
  
      :param Node model:
  
          The subclass of :py:class:`Node` that will be handled
          by the form.
  
      :param form:
  
          The form class that will be used as a base. By
          default, :py:class:`MoveNodeForm` will be used.
  
      :return: A :py:class:`MoveNodeForm` subclass