[PyQt] BUG: uiparser.py:161: AttributeError: 'module' object has no attribute 'StackedWidget'

[Phil Thompson]

On Tue, 11 Jan 2011 04:04:50 +0300, Vladimir Rutsky
<rutsky.vladimir at gmail.com> wrote:
> Hello,
> 
> Installed on Windows XP Python v2.7.1 and PyQt v4.8.1 for Python 2.7.
> Running of following code that creates simple window from UI file raises
> AttributeError:
> 
> # main.py
> import sys
> 
> from PyQt4 import QtGui, uic
> 
> class MainWindow(QtGui.QMainWindow):
>     def __init__(self, parent=None):
>         super(MainWindow, self).__init__(parent)
> 
>         uic.loadUi('main_window.ui', self)
> 
> if __name__ == "__main__":
>     app = QtGui.QApplication(sys.argv)
> 
>     w = MainWindow()
>     w.show()
> 
>     sys.exit(app.exec_())
> # end of main.py
> 
> Raised exception:
> Traceback (most recent call last):
>   File "main.py", line 14, in <module>
>     w = MainWindow()
>   File "main.py", line 9, in __init__
>     uic.loadUi('main_window.ui', self)
>   File "C:\Python27\lib\site-packages\PyQt4\uic\__init__.py", line 185,
> in loadUi
>     return DynamicUILoader().loadUi(uifile, baseinstance)
>   File "C:\Python27\lib\site-packages\PyQt4\uic\Loader\loader.py", line
> 35, in loadUi
>     return self.parse(filename, basedir)
>   File "C:\Python27\lib\site-packages\PyQt4\uic\uiparser.py", line 839,
> in parse
>     actor(elem)
>   File "C:\Python27\lib\site-packages\PyQt4\uic\uiparser.py", line 686,
> in createUserInterface
>     self.traverseWidgetTree(elem)
>   File "C:\Python27\lib\site-packages\PyQt4\uic\uiparser.py", line 664,
> in traverseWidgetTree
>     handler(self, child)
>   File "C:\Python27\lib\site-packages\PyQt4\uic\uiparser.py", line 161,
> in createWidget
>     QtGui.QScrollArea, QtGui.StackedWidget,
> AttributeError: 'module' object has no attribute 'StackedWidget'
> 
> Commenting "QtGui.QScrollArea, #QtGui.StackedWidget," in uiparser.py:161
> fixes this issue for me.

The correct fix is to change "StackedWidget" to "QStackedWidget".

> Same example works without any modifications on GNU/Linux (Ubuntu 10.04)
> with Python v2.6.5 and PyQt v4.7.2-0ubuntu1.
> 
> P.S. Is somewhere exists bug tracker for PyQt?
> 
> Regards,
> Vladimir Rutsky

Phil