CODEWITHSUNDEEP
pythonpython-3.xpyqtpyqt5
Ronikos
Ronikos

Reputation: 447

PyQt5: TypeError: 'Wrong base class of toplevel widget'

I have created to .ui files using QtDesigner and I load them into two seperate windows as show below 

class MainWindow(QMainWindow):
    def __init__(self, parent=None):
        super().__init__()

        # Set up the user interface from Designer.
        uic.loadUi("interface/UI/main.ui", self)

        # Connect up the buttons
        self.button_classes.clicked.connect(self.open_classes)

        self.w = []

    def open_classes(self):
        self.w.append(PopupWindow(self))
        self.w[-1].show()


class PopupWindow(QMainWindow):
    def __init__(self, parent=None):
        super().__init__()

        # Set up the user interface from Designer.
        uic.loadUi("interface/UI/newclass.ui", self)

When I run the code in PyCharm in debug mode, the following error occurs, however this does not happen when the code is run normally

TypeError: ('Wrong base class of toplevel widget', (<class 'controllers.GUI.PopupWindow'>, 'QDialog'))

Upvotes: 4

Views: 17516

Answers (2)

furas
furas

Reputation: 142641

You have QDialog in message 'Wrong base class of toplevel widget', (<class 'controllers.GUI.NewClassWindow'>, 'QDialog') so I think it expects QDialog to create second window but you use QMainWindow in class PopupWindowONE(QMainWindow):

In other words, check the class type of the .ui file you are going to initiate; if the class is a QDialog then your python class needs to receive a QDialog.

Upvotes: 11

a3k
a3k

Reputation: 379

I had a similar problem when using QDialog but changed it to QMainWindow and it worked.

Upvotes: 5

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