[PyQt] QtWebEngineWidgets crasher

[Kovid Goyal]

Sounds like an object lifetime bug, 
try explicitly deleting widget after app.exec_()

Kovid.

On Wed, Mar 18, 2015 at 09:38:02PM +0000, Baz Walter wrote:
> Hello
> 
> I am experiencing crashes on exit when importing the QtWebEngineWidgets
> module.
> 
> I know that PyQt5 always calls sip.setdestroyonexit() now, and that this may
> cause issues when instances are not created at the module level, but I'm not
> sure whether this applies in this case.
> 
> Here's a test that always dumps core on exit for me (I'm using Qt-5.4.1 on
> Linux with the latest snapshots):
> 
>     from PyQt5 import QtWidgets
> 
>     def test():
>         from PyQt5 import QtWebEngineWidgets
>         widget = QtWidgets.QWidget()
>         widget.show()
>         app.exec_()
> 
>     app = QtWidgets.QApplication([''])
> 
>     test()
> 
> I've tried this with all the other PyQt5 modules, but QtWebEngineWidgets is
> the only one that causes a problem. I also tried using
> sip.setdestroyonexit(False), but that made no difference.
> 
> I'm afraid I can't provide a useful backtrace, because I don't have access
> to a debug version of qt5 at the moment.
> 
> -- 
> Regards
> Baz Walter
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> PyQt mailing list    PyQt at riverbankcomputing.com
> http://www.riverbankcomputing.com/mailman/listinfo/pyqt

-- 
_____________________________________

Dr. Kovid Goyal 
http://www.kovidgoyal.net
http://calibre-ebook.com
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