[PyQt] Segfault with QDesktopServices.openUrl

[Kovid Goyal]

https://github.com/kovidgoyal/calibre/commit/796cba4b6996d2047f203ce0a0ef0637b10b33ec

Kovid.

On Wed, Aug 20, 2014 at 09:07:05PM +0200, Florian Bruhin wrote:
> Hi,
> 
> I get a segfault every time I try to use QDesktopServices.openUrl.
> /tmp/test.txt is a simple text file.
> 
> Am I doing something wrong, or is this a bug somewhere?
> 
> GDB output:
> 
> $ gdb /usr/bin/python
> ...
> Python 3.4.1 (default, May 19 2014, 17:23:49)
> [GCC 4.9.0 20140507 (prerelease)] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> >>> from PyQt5.QtGui import QDesktopServices
> >>> from PyQt5.QtCore import QUrl
> >>> QDesktopServices.openUrl(QUrl('file:///tmp/test.txt'))
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff5b5a870 in QDesktopServices::openUrl(QUrl const&) () from /usr/lib/libQt5Gui.so.5
> (gdb) bt
> #0  0x00007ffff5b5a870 in QDesktopServices::openUrl(QUrl const&) () from /usr/lib/libQt5Gui.so.5
> #1  0x00007ffff60cb3ee in ?? () from /usr/lib/python3.4/site-packages/PyQt5/QtGui.so
> #2  0x00007ffff7a5dbf5 in call_function (oparg=<optimized out>, pp_stack=0x7fffffffdb50) at Python/ceval.c:4227
> #3  PyEval_EvalFrameEx (f=0x678998, throwflag=<optimized out>) at Python/ceval.c:2829
> #4  0x00007ffff7a5f289 in PyEval_EvalCodeEx (_co=0x0, _co at entry=0x7ffff7e44c00, globals=0x0, locals=0x678b10, 
>     args=0x0, argcount=24, argcount at entry=0, kws=0x2f, kws at entry=0x0, kwcount=0, defs=0x0, defcount=0, 
>     kwdefs=0x0, closure=0x0) at Python/ceval.c:3578
> #5  0x00007ffff7a5f32b in PyEval_EvalCode (co=co at entry=0x7ffff7e44c00, globals=globals at entry=0x7ffff7f1f548, 
>     locals=locals at entry=0x7ffff7f1f548) at Python/ceval.c:773
> #6  0x00007ffff7a7b4d4 in run_mod (mod=mod at entry=0x71bd38, filename=filename at entry=0x7ffff7ed7c70, 
>     globals=0x7ffff7f1f548, locals=0x7ffff7f1f548, flags=flags at entry=0x7fffffffddf0, 
>     arena=arena at entry=0x7401d0) at Python/pythonrun.c:2180
> #7  0x00007ffff7a7e1a2 in PyRun_InteractiveOneObject (fp=fp at entry=0x7ffff77229c0 <_IO_2_1_stdin_>, 
>     filename=filename at entry=0x7ffff7ed7c70, flags=flags at entry=0x7fffffffddf0) at Python/pythonrun.c:1445
> #8  0x00007ffff7a7e45e in PyRun_InteractiveLoopFlags (fp=fp at entry=0x7ffff77229c0 <_IO_2_1_stdin_>, 
>     filename_str=filename_str at entry=0x7ffff7b030d6 "<stdin>", flags=flags at entry=0x7fffffffddf0)
>     at Python/pythonrun.c:1324
> #9  0x00007ffff7a7f4de in PyRun_AnyFileExFlags (fp=0x7ffff77229c0 <_IO_2_1_stdin_>, 
>     filename=0x7ffff7b030d6 "<stdin>", closeit=0, flags=0x7fffffffddf0) at Python/pythonrun.c:1286
> #10 0x00007ffff7a94751 in run_file (p_cf=<optimized out>, filename=<optimized out>, fp=<optimized out>)
>     at Modules/main.c:319
> #11 Py_Main (argc=0, argv=0x0) at Modules/main.c:751
> #12 0x0000000000400af6 in main ()
> 
> 
> Thanks,
> 
> Florian
> 
> -- 
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-- 
_____________________________________

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