#!/usr/bin/python3 # -*- coding: utf-8 -*- from PyQt5.QtWidgets import * from PyQt5.QtCore import (QSettings, QThread, pyqtSignal, pyqtSlot) from ui.windkanal import Ui_Form from ui.main_ui import Ui_MainWindow class AppWindow(QMainWindow): def __init__(self): super().__init__() self.ui = Ui_MainWindow() self.ui.setupUi(self) self.ui.saveButton.clicked.connect(self.save_pressed) self.show() def save_pressed(self): self.ui.lcdNumber_pressure.intValue(123) print(dir(self.ui.lcdNumber_pressure))