Thanks! This was the problem.
On Wed, Oct 26, 2011 at 1:53 AM, Graham Dumpleton <
[email protected]> wrote:
> Are you setting:
>
> WSGIApplicationGroup %{GLOBAL}
>
> in Apache configuration.
>
> Graham
>
> On 25 October 2011 23:25, Jaime Huerta Cepas <[email protected]> wrote:
> > I'm getting problems with WSGI 3.3 and Qt4 applications. It seems that
> items
> > of a QGraphicsScene cannot call the childItem() method. The following
> test
> > script works well when called from the command line, but never finishes
> when
> > called as WSGI application. I have noticed that this problem is present
> when
> > using WSGI v3.3 but not with older (2.8) versions.
> >
> > childItems() method seem to hang and the application becomes
> unresponsive.
> > WSGI is set to run as a daemon with 1 processes and 1 thread
> >
> > Any clue about what could be happening? Could it be a WSGI problem?
> >
> >
> > environment (working): python 2.6.4, apache 2.2.14, mod-wsgi 2.8, qt
> 4.6.2,
> > python-qt 4.7.2
> > environment (problem): python 2.6.6, apache 2.2.16, mod-wsgi 3.3, qt
> 4.6.3,
> > python-qt 4.7.3
> >
> >
> >
> > from PyQt4.QtGui import *
> >
> > import sys
> > # Show print msgs in apache logs
> > sys.stdout = sys.stderr
> >
> > import os
> > # Allows apache to use DISPLAY. The command "xhost +" could be
> temporarily
> > required to start Qt applications from the web server
> > os.environ["DISPLAY"]=":0.0"
> >
> > QApp = None
> > def application(environ, start_response):
> > global QApp
> > status = '200 OK'
> > output = 'Hello World!'
> > response_headers = [('Content-type', 'text/plain'),
> > ('Content-Length', str(len(output)))]
> > start_response(status, response_headers)
> >
> > qt_test()
> >
> > return [output]
> >
> > def qt_test():
> > QApp = QApplication(["TEST"])
> > scene = QGraphicsScene()
> > obj = QGraphicsRectItem()
> > scene.addItem(obj)
> > print "EMPTY LIST", obj.childItems()
> > obj2 = QGraphicsRectItem()
> > obj2.setParentItem(obj)
> > print "CHILDREN", obj.childItems()
> > print "FINISH"
> > return
> >
> > if __name__ == "__main__":
> > qt_test()
> >
> >
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> >
>
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