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Asked: 2026-05-30T00:02:05+00:00

I’m using PyQt and trying to promote a widget in QtDesigner. I’m able to

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I’m using PyQt and trying to promote a widget in QtDesigner. I’m able to get it working if I specify the full module path, in the “Header file” field, to the file that contains my widget sub-class.

Is there a better way to promote a widget in QtDesigner to a PyQt widget without having to specify the full module path?

Here’s an example to hopefully illustrate what I’m talking about:

/PythonModuleRoot/Ui/MainUi.py

from PyQt4 import QtCore, QtGui, uic
class MainUi(QtGui.QWidget):
    def __init__(self):
        QtGui.QWidget.__init__(self)
        self.ui = uic.loadUi(os.path.join(os.path.dirname(__file__), 'MainUi.ui'), self)

/PythonModuleRoot/Ui/CustomWidget.py

from PyQt4 import QtCore, QtGui, uic
class CustomWidget(QtGui.QWidget):
    def __init__(self, parent):
        QtGui.QWidget.__init__(self, parent)

/PythonModuleRoot/Ui/MainUi.ui

In MainUi.ui I promote a widget and set the Header file field to: “PythonModuleRoot.Ui.CustomWidget”.

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1 Answer

  1. Editorial Team

    I got it figured out, my actual code is slightly different then the simplified example I gave. My actual code is more like this:

    /PythonModuleRoot/Ui/MainUi.py

/PythonModuleRoot/Ui/MainUi.ui

/PythonModuleRoot/Ui/Widgets/CustomWidget.py

    So I just needed to change the contents of Header file to be how MainUi would import CustomWidget, so: “Widgets.CustomWidget”. This article pointed me in the right direction: http://www.mail-archive.com/pyqt@riverbankcomputing.com/msg17893.html

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