<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def set_authoring_nodes(self, editor):
 """ Sets the Model authoring Nodes using given editor. :param editor: Editor to set. :type editor: Editor :return: Method success. :rtype: bool """


        project_node = self.default_project_node
        file_node = self.register_file(editor.file, project_node)
        editor_node = self.register_editor(editor, file_node)
        return True