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List:       pykde
Subject:    Re: [PyQt] QThread::run does not worl as expected
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2010-06-29 16:28:10
Message-ID: ce555f53261090e250e42b6a4ee7e4de () localhost
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On Thu, 17 Jun 2010 14:42:46 +0200, David Mugnai <dvd@develer.com> wrote:
> Hi phil,
> 
> according to the docs, the QThread::run method should call exec (and
> thus start a new event loop), but this code doesn't work (it never ends)
> 
> 
>> #!/usr/bin/env python
>> #-*- coding: utf-8 -*-
>> 
>> from PyQt4.Qt import *
>> 
>> app = QApplication([])
>> 
>> class Start(QEvent):
>>     def __init__(self):
>>         QEvent.__init__(self, QEvent.User)
>>     
>> class Receiver(QObject):
>>     def doSomething(self):
>>         print 'doSomething'
>>         qApp.quit()
>> 
>> class Main(QObject):
>>     def test(self):
>>         r = self._r = Receiver()
>>         t = self._t = QThread()
>>         r.moveToThread(t)
>>         QObject.connect(self, SIGNAL('test'), r.doSomething)
>>         t.start()
>>         self.emit(SIGNAL('test'))
>> 
>> main = Main()
>> main.test()
>> app.exec_()
> 
> If, intead of a QThread, I use a class like this:
> 
>> class MyThread(QThread):
>>     def run(self):
>>         return self.exec_()
> 
> 
> all works as expected.

Should be fixed with tonight's SIP snapshot.

Thanks,
Phil
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