pyQt5 AttributeError: 'bool' object has no attribute 'txtCustCode'

问题

Using QT Designer to design the code. Then using the pyuic5 -x productentryscreen.ui > productentryscreen3.py command to generate python code. i am using buttons and textboxes. when a button is pressed i want to display value entered in the QlineEdit box. But i am getting the error " AttributeError: 'bool' object has no attribute" when the btnCancel is clicked. This is where the error is thrown (i presume) textboxValue = self.txtCustCode.text. i even tried with textboxValue = self.txtCustCode.text() Following is the code

   import sqlite3
   from PyQt5 import QtCore, QtGui, QtWidgets
   from PyQt5.QtCore import QObject
   from PyQt5.QtGui import QIcon
   from PyQt5.QtCore import pyqtSlot
   from PyQt5.QtWidgets import QMainWindow, QApplication, QWidget, QPushButton, QAction, QLineEdit, 
   QMessageBox

   # Generated Code
    class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
    #def setupUi(self):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(800, 600)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(30, 130, 160, 16))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.label.setFont(font)
        self.label.setObjectName("label")
        self.label_2 = QtWidgets.QLabel(self.centralwidget)
        self.label_2.setGeometry(QtCore.QRect(30, 160, 130, 16))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.label_2.setFont(font)
        self.label_2.setObjectName("label_2")
        self.label_3 = QtWidgets.QLabel(self.centralwidget)
        self.label_3.setGeometry(QtCore.QRect(30, 190, 120, 16))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.label_3.setFont(font)
        self.label_3.setObjectName("label_3")
        self.label_4 = QtWidgets.QLabel(self.centralwidget)
        self.label_4.setGeometry(QtCore.QRect(30, 220, 180, 16))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.label_4.setFont(font)
        self.label_4.setObjectName("label_4")
        self.label_5 = QtWidgets.QLabel(self.centralwidget)
        self.label_5.setGeometry(QtCore.QRect(30, 240, 170, 31))
        font = QtGui.QFont()
        font.setPointSize(12)
        self.label_5.setFont(font)
        self.label_5.setObjectName("label_5")
        self.label_6 = QtWidgets.QLabel(self.centralwidget)
        self.label_6.setGeometry(QtCore.QRect(80, 30, 481, 31))
        font = QtGui.QFont()
        font.setPointSize(18)
        font.setBold(True)
        font.setWeight(75)
        self.label_6.setFont(font)
        self.label_6.setObjectName("label_6")
        self.txtHMI = QtWidgets.QLineEdit(self.centralwidget)
        self.txtHMI.setGeometry(QtCore.QRect(230, 130, 211, 20))
        self.txtHMI.setObjectName("txtHMI")
        self.txtCustCode = QLineEdit(self.centralwidget)
        self.txtCustCode.setGeometry(QtCore.QRect(230, 160, 211, 20))
        self.txtCustCode.setObjectName("txtCustCode")
        self.txtProdCode = QtWidgets.QLineEdit(self.centralwidget)
        self.txtProdCode.setGeometry(QtCore.QRect(230, 190, 211, 20))
        self.txtProdCode.setObjectName("txtProdCode")
        self.txtCustPartNo = QtWidgets.QLineEdit(self.centralwidget)
        self.txtCustPartNo.setGeometry(QtCore.QRect(230, 220, 211, 20))
        self.txtCustPartNo.setObjectName("txtCustPartNo")
        self.txtLampName = QtWidgets.QLineEdit(self.centralwidget)
        self.txtLampName.setGeometry(QtCore.QRect(230, 250, 211, 20))
        self.txtLampName.setObjectName("txtLampName")
        self.btnSave = QtWidgets.QPushButton(self.centralwidget)
        self.btnSave.setGeometry(QtCore.QRect(130, 280, 131, 41))
        self.btnSave.setObjectName("btnSave")
        self.btnSave.clicked.connect(btnSave_click)

        self.btnCancel = QtWidgets.QPushButton(self.centralwidget)
        self.btnCancel.setGeometry(QtCore.QRect(330, 280, 131, 41))
        self.btnCancel.setObjectName("btnCancel")
        self.btnCancel.clicked.connect(btnCancel_click)
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 21))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)
        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

        def retranslateUi(self, MainWindow):
          _translate = QtCore.QCoreApplication.translate
          MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
          self.label.setText(_translate("MainWindow", "Product as in HMI"))
          self.label_2.setText(_translate("MainWindow", "Customer Code"))
          self.label_3.setText(_translate("MainWindow", "Product Code"))
          self.label_4.setText(_translate("MainWindow", "Customer Part Number"))
          self.label_5.setText(_translate("MainWindow", "Lamp Name & Type"))
          self.label_6.setText(_translate("MainWindow", "Products Data Entry / Update Screen"))
          self.btnSave.setText(_translate("MainWindow", "SAVE"))
          self.btnCancel.setText(_translate("MainWindow", "Cancel"))

    # End Generated Code

    @pyqtSlot() # Signals buttons

    def btnCancel_click(self):
    textboxValue = "Dummy"
    textboxValue = self.txtCustCode.text
    #QMessageBox.question(self, 'Message - pythonspot.com', "You typed: " + textboxValue, QMessageBox.Ok, QMessageBox.Ok)
    print (textboxValue)
    cancelFunction()
def btnSave_click(self):
    print ("Save Clicked")
    insertFunction()

# Functions for signals
def insertFunction():
    print ("Save Clicked")

def cancelFunction():
    print ("Cancel  Clicked")
if __name__ == "__main__":
    import sys
    app = QApplication(sys.argv)
    MainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())

回答1:

Below line returns a boolean value.

self.txtCustCode = QLineEdit(self.centralwidget)

Then you are trying to using setGeometry attribute. That's why it gives you error.

self.txtCustCode.setGeometry(QtCore.QRect(230, 160, 211, 20))
self.txtCustCode.setObjectName("txtCustCode")

来源：https://stackoverflow.com/questions/59223384/pyqt5-attributeerror-bool-object-has-no-attribute-txtcustcode