segfault with small pyqt script
in [Python]
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From: Gelonida on 13 Aug 2010 17:13 On 08/13/2010 09:11 AM, Gelonida wrote: > Lee, > > On 08/13/2010 12:53 AM, Lee Harr wrote: >> >>> I'm desperate. I'm having a real application, which fails rather often >>> when finishing it. I'm not sure, whether any serious problem could be >>> hidden behind it >>> >>> The script is a pyqt script, which segfaults most of the time on my >>> ubuntu 10.4 linux 64 bit and I'm having trouble to understand why. >> >> >> Looks to be a known issue: >> http://www.google.com/search?q=pyqt+segfault+on+exit >> https://launchpad.net/bugs/561303 >> >> The last activity on that bug is almost 2 months ago... >> Hopefully the fix will be distributed soon. > > > > This seems to be the problem. > > > In my case I can workaround the issue by adding one line. > > if __name__ == "__main__": > app = QApplication([]) > myform = MyForm() > myform.show() > retcode = app.exec_() > myform = None # <<<< THIS IS THE WORK AROUND > print "last" > For more complex multi widget examples it doesn't seem enough to just destroy the main widget. probably I had to recursively assign all widgets / dialogues sub widgets to None. So I'll just try to stay away from this pyqt release and stick with older or newer ones. |