[PyQt] How to call DBus method with UInt32 arg?

Phil Thompson phil at riverbankcomputing.com
Thu Dec 13 06:47:50 GMT 2012

On Mon, 10 Dec 2012 13:41:36 -0500, Evade Flow <evadeflow at gmail.com>
> Hi, all. Does anyone have experience trying to pass UInt32 arguments to
> a DBus service using PyQt4.QtDBus?  The program appended below generates
> the following error:
> % python build_connection.py 0 0 0 1234
> Call failed: No such method 'buildConnection' in interface
> 'com.acme.Audio.Connection' at object path
> '/com/acme/Audio/Connection' (signature '(i)(i)(i)i')
> I think it's failing because the actual signature of the method to be
> called is '(i)(i)(i)u' [??] (Don't ask why the designers of this
> interface wrapped a DBus struct around every int--I have no idea. `:-@)
> Can anyone confirm whether passing unsigned 32-bit arguments is possible
> with my version of PyQt4/SIP:

Unfortunately not. If this is the real cause of the problem then I need to
provide a way to do this...


More information about the PyQt mailing list