[PyQt] Re: seeking advice on why this script segfaults

[Darren Dale]

On Tue, Mar 10, 2009 at 5:28 PM, Darren Dale <dsdale24 at gmail.com> wrote:

> Hello,
>
> I am trying to create a simple model and view for a simple nested
> dictionary like d:
>
>     c1 = {'id':1, 'description':'child 1'}
>     c2 = {'id':2, 'description':'child 2'}
>     d = {'id':0, 'description':'whatever', 'children':[c1, c2]}
>
> I have a self-contained, relatively simple script attached. When I run it
> and try to open the top-level entry by clicking on the +, I get errors like:
>
> Traceback (most recent call last):
>   File "tree_test.py", line 111, in parent
>     parent = index.internalPointer().parent
> AttributeError: 'ItemDataRole' object has no attribute 'parent'
> Traceback (most recent call last):
>   File "tree_test.py", line 111, in parent
>     parent = index.internalPointer().parent
> AttributeError: parent
>
> Traceback (most recent call last):
>   File "tree_test.py", line 111, in parent
>     parent = index.internalPointer().parent
> AttributeError: 'exceptions.AttributeError' object has no attribute
> 'parent'
> Bus error
>
> sometimes I get a different error:
>
> Traceback (most recent call last):
>   File "tree_test.py", line 111, in parent
>     parent = index.internalPointer().parent
> AttributeError: 'ItemDataRole' object has no attribute 'parent'
> Segmentation fault
>
>
> Could anyone please help me understand what is happening? I dont understand
> why index.internalPointer() is returning an ItemDataRole object or an
> exceptions.AttributeError object.
>
> Im running Qt-4.5.0, sip-4.7.9 and PyQt-4.4.4.


I just checked this script on a 64-bit kubuntu intrepid system with qt-4.4.3
and PyQt4-4.4.4, sip-4.7.9 and python-2.5.2 and I get segfaults here too. I
guess that rules out some issue specific to qt-4.5.

Darren
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