[PyKDE] PyQT Threading on Windows?

[Michael Andrews]

On Wed, 2005-08-31 at 21:47 -0700, Hoka "ME" Tichenci wrote:
> I've searched around a bit and nothing has really seemed to help. Right now 
> i'm working on developing a GUI for a system that uses a threaded backend, 
> and calls into the threads work perfectly fine. However, whenever a 
> callback from the threaded application happens and a QT object gets 
> touched, the whole thing freezes. I'm using QT 3.3.3 with PyQT 3.13 on 
> Python 2.3, and with a little bit of research it seems like the symptoms 
> all correlate to SIP3 issues. On Linux using PyQT 3.13 with SIP 4 
> everything works beautifully, but on Windows it is quite ugly. Is there a 
> SIP4 release of PyQT for Windows around, or am I looking in the wrong 
> direction? Changing the threading code to use QThread is not an option 
> (although if there is some way of easily encapsulating calls that might be 
> a reasonable workaround). This problem in its entirety has given me quite a 
> headache, and any ideas/solutions/leads would be fantastic.

I don't remember the symptoms, but we had problems with threading when
our Python class was deriving from the QThread class.  We were
forgetting to call the QThread.__init__() in our __init__().

-- 
Michael Andrews <mandrews at mandrews.org>