[PyQt] Segmentation fault with QFileSystemModel

Dan Halbert halbert at halwitz.org
Thu Nov 11 20:29:09 GMT 2010

On 11/11/2010 3:22 PM, Gaëtan Podevijn wrote:
> When I launch a Python environment in a terminal, and I try to 
> instanciate a QFileSystemModel, I have a segmentation fault:
>     >>> model = QFileSystemModel()
>     >>> model.setRootPath(QDir.homePath())
>     Segmentation fault
> However, and I really don't understand, the attached file works well !
You need to create a QApplication to set up Qt before creating nearly 
all Qt objects except the absolute simplest such as QPoint, etc. The 
example you attached creates a QApplication before creating the 

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