[PyQt] implications of running PyQt 4.4.x with Qt 4.5?

[Devon Rueckner]

On Wed, Apr 22, 2009 at 4:08 PM, Phil Thompson
<phil at riverbankcomputing.com> wrote:
> On Wed, 22 Apr 2009 15:51:23 -0400, Devon Rueckner
> <devon.rueckner at temboo.com> wrote:
>> On Wed, Apr 22, 2009 at 12:50 PM, Phil Thompson
>> <phil at riverbankcomputing.com> wrote:
>>> On Wed, 22 Apr 2009 12:40:49 -0400, Devon Rueckner
>>> <devon.rueckner at temboo.com> wrote:
>>>> Hi -
>>>>
>>>> We would like to upgrade to Qt 4.5 for its bug fixes, performance and
>>>> license.
>>>>
>>>> After simply swapping out Qt and leaving PyQt alone, empirically
>>>> everything works with the exception of a few graphics view rendering
>>>> issues.
>>>>
>>>> Is running PyQt 4.4.4 with Qt 4.5 considered supported?  What are the
>>>> implications?
>>>
>>> Generally there is no problem with using a later version of Qt. The
>>> exception is when that new version introduces new implementations of
>>> existing virtuals - an older PyQt doesn't know to call them. There are
>>> some
>>> cases of that in Qt v4.5.
>>>
>>> Phil
>>>
>>
>> Just to clarify:
>>
>> Are you saying that there is no problem as long as we don't use
>> certain known functions?
>> Or, in the case of 4.5 there is a problem and we would not be safe
>> using an older PyQt?
>
> The problem is limited to specific classes - QGraphicsProxyWidget is the
> only one that springs to mind.
>
> Phil
>


That class is indeed causing problems.  Would it be possible to patch
PyQt 4.4.4 to point to the new implementation?

~ Devon