HYTOS

            cmd.execute((drawing, scene), symbol=symbol, text=text, line=line, unknown=unknown,

                        package=package, update=False)

        except Exception as ex:

            message = 'error occurred({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                           sys.exc_info()[-1].tb_lineno)

            App.mainWnd().addMessage.emit(MessageType.Error, message)

    def preset_execute(self, scene, find_symbol, replace_symbol, replace_action, condition):

        """ run preset """

        try:

            from ReplaceInsertCommand import ReplaceInsertCommand

            cmd = ReplaceInsertCommand()

            cmd.display_message.connect(App.mainWnd().onAddMessage)

    def save_scene(self, scene):

        """ save scene """

        try:

            from SaveWorkCommand import SaveWorkCommand