PyQt QThreadPool error

h0uk vardan.pogosyan at gmail.com
Thu Jan 7 22:33:24 CET 2010


On 8 янв, 02:25, "Diez B. Roggisch" <de... at nospam.web.de> wrote:
> h0uk schrieb:
>
>
>
> > On 8 янв, 01:02, "Diez B. Roggisch" <de... at nospam.web.de> wrote:
> >> h0uk schrieb:
>
> >>> Hello.
> >>> I have the following code:
> >>>             #workers = {}
> >>>             QtCore.QThreadPool.globalInstance().setExpiryTimeout
> >>> (300000)
> >>>             QtCore.QThreadPool.globalInstance().setMaxThreadCount(1)
> >>>             for i in range(1, int(userscnt) + 1):
> >>>                 work = wk.Worker(i)
> >>>                 # connect signals
> >>>                 work.mmShowCaptcha.connect(self.show_captcha_dlg)
> >>>                 work.log.connect(self.handle_log)
> >>>                 self.captcha_answer.connect(work.mmCaptchaAnswer)
> >>>                 work.setAutoDelete(True)
> >>>                 QtCore.QThreadPool.globalInstance().start(work)
> >>> On last line of code ( QtCore.QThreadPool.globalInstance().start
> >>> (work) ) i get an error:
> >>> SystemError: error return without exception set
> >>> What is wrong in my code??? Any advise???
> >> The error is on C-level. AFAIK it occurs when a Python-C-function
> >> returns "NULL" without setting an exception.
>
> >> It's hard to say where it really occurs. I'd use a debug-build of PyQt,
> >> and possibly Python, and then investigate using gdb.
>
> >> Alternatively, what happens when you do some "dummy"-work that doesn't
> >> use signals and no other libraries?
>
> >> Diez
>
> > About some "dummy" code:
>
> > #!/usr/bin/env python
> > # -*- coding: utf-8 -*-
>
> > import sys
> > import os
> > import time
>
> > from PyQt4 import QtCore, QtGui
>
> > class Job(QtCore.QRunnable):
> >    def __init__(self, name):
> >            QtCore.QRunnable.__init__(self)
> >            self._name = name
>
> >    def run(self):
> >            time.sleep(10)
> >            print self._name
>
> >    def autoDelete(self):
> >            return self._auto
>
> >    def setAutoDelete(self, auto):
> >            self._auto = auto
>
> > if __name__ == "__main__":
>
> >    app = QtGui.QApplication(sys.argv)
>
> >    QtCore.QThreadPool.globalInstance().setMaxThreadCount(1)
>
> >    j = Job("Job-1")
> >    j.setAutoDelete(True)
> >    QtCore.QThreadPool.globalInstance().start(j)
>
> > Even this code not work. On the last line of code
> > ( QtCore.QThreadPool.globalInstance().start(j) ) i get the error:
>
> >>> An unhandled win32 exception occured in python.exe
>
> Hm. I suggest you take this to the PyQt mailinglist. Phil Thompson is
> very responsive.
>
> Diez

Thanks you, Diez. Thanks for your time.
I already wrote to PyQt mailing list, but yet no get answer.

I will be waiting and try to write Phil Thompson.



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