[Qgis-developer] Socket server freezes on Python plugin

[Víctor González]

Hi,

Good to know that =) I'll keep working on my plugin with PyQt. Thanks again
for all the help!

Víctor.

2012/6/19 G. Allegri <giohappy at gmail.com>

> No problems with your basic example with pure python threading. The
> problem is the interaction with the Qt event loop. That's why PyQt
> threading is there ;)
>
> giovanni
>
> Inviato da dispositivo mobile
> Il giorno 19/giu/2012 12.50, "Víctor González" <victorzinho at gmail.com> ha
> scritto:
>
> >
> > Hi again,
> >
> > I tried Bernhard's solution and it worked like charm. After digging a
> little more into PyQt I found this thread [1] with some answers. Seems like
> QtNetworking deals with all this networking and threading issues
> internally, so my problem is solved that way.
> >
> > Regarding Giovanni's comments, I confirm that behavior but I'm not
> familiar with multithreading and networking in Python, so I cannot imagine
> what could be the difference between using QtNetworking vs.
> threading/socket and if that is the expected behavior or not.
> >
> > Thanks for the help,
> > Víctor.
> >
> > [1]
> http://python.6.n6.nabble.com/Threads-with-PyQt-Qt-s-or-Python-s-td1919800.html#a1919801
> >
> > 2012/6/19 G. Allegri <giohappy at gmail.com>
> >
> >>> The plugin server unfreezes even if you simply move the mouse over
> QGis (wihtout doing any action on it).
> >>
> >>
> >> This happens only if you move the mouse over the Canvas, while the
> server remains freezed while moving on other areas (TOC, toolbar, etc.)
> >>
> >>>
> >>> It must be investigated...
> >>>
> >>> giovanni
> >>>
> >>> 2012/6/19 Víctor González <victorzinho at gmail.com>
> >>>>
> >>>> Hi,
> >>>>
> >>>> I'm trying to create a plugin that opens a socket server in a
> separate thread and handles requests. I create the server using
> SocketServer.TCPServer and threading.Thread in the initGui method and the
> plugin starts correctly, but if I try to get a response from a client, the
> server freezes and does not respond.
> >>>>
> >>>> The strange thing is that I have added a toolbar button that opens
> and closes a file and, if I click that button, the server unfreezes and I
> get the response as expected. However, if I create the socket server with
> the same exact code as an standalone program, it works as expected without
> freezing.
> >>>>
> >>>> I have looked into the PyQgis cookbook [1] and the contributed
> plugins [2] searching for an example or solution but I couldn't find
> anything. Does anyone know what may be wrong? Any hint will be greatly
> appreciated. I attach the Qgis plugin as well as the standalone server and
> client.
> >>>>
> >>>> Thanks in advance,
> >>>> Víctor.
> >>>>
> >>>> _______________________________________________
> >>>> Qgis-developer mailing list
> >>>> Qgis-developer at lists.osgeo.org
> >>>> http://lists.osgeo.org/mailman/listinfo/qgis-developer
> >>>>
> >>>
> >>
> >
>
>
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