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

Giovanni Bajo rasky at develer.com
Wed Apr 22 18:18:05 BST 2009

On 4/22/2009 6:50 PM, Phil Thompson 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.

I'm not sure I follow. Is that because the sip-generated code hardcodes 
the specific class to be used for each virtual function?
Giovanni Bajo
Develer S.r.l.

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