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List:       pykde
Subject:    Re: [PyQt] PyQt5.9 PyPi package segfault
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2017-07-22 10:55:47
Message-ID: 4B1B4EDE-90D7-4C53-BCC9-5A52DCA2F3CE () riverbankcomputing ! com
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On 21 Jul 2017, at 3:09 am, Damon Lynch <damonlynch@gmail.com> wrote:
> 
> On the PyPi version of PyQt5.9, I'm seeing a segfault that occurs everytime when \
> run in a flavor of Ubuntu (tested in 16.04, 17.04 and 17.10) and Debian 9, but \
> never occurs when run on Fedora 25 or 26 using the exact same PyQt5 package. \
> Moreover, the segfault does not occur when using the distro PyQt5 packages. The \
> segfault occurs well before program exit. 
> I have attached the gdb stacktrace from an Ubuntu 16.04 instance.
> 
> This is the code that triggers it: \
> http://bazaar.launchpad.net/~dlynch3/rapid/zeromq_pyqt/view/983/upgrade.py 
> I really do not expect anyone to run this code, but if you do, it's run like this \
> (note the tempdir!): 
> python3 upgrade.py tempdir/rapid-photo-downloader-0.9.1.tar.gz
> 
> with the tar.gz from \
> https://launchpad.net/rapid/pyqt/0.9.1/+download/rapid-photo-downloader-0.9.1.tar.gz
>  
> **NOTE should the script execute successfully the directory the tar.gz is in and \
> everything else in that directory will be deleted, so do not run this script \
> without using the tempdir!** 
> Moreover, it makes sense to run this script only when the application has already \
> been installed. See for instructions: http://damonlynch.net/rapid/download.html 
> Is this a bug in the PyQt5 or Qt PyPi package? Or a bug in my code?

Impossible to tell without a short complete script that demonstrates the problem.

Phil
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