PyQt QThreadPool error
Diez B. Roggisch
deets at nospam.web.de
Thu Jan 7 16:25:33 EST 2010
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
More information about the Python-list
mailing list