Created attachment 413083 [details]
Possible solution for the issue
When I create a subclass of slip.dbus.service.Object, that provides some dbus methods without polkit authorization, this methods don't return value through dbus to the sender. Methods with polkit authorization is working as expected.
I might also figured out a solution, please see attached patch.
Created attachment 414089 [details]
Patch that is aware of returning tuples
The previous patch didn't work when a tuple was returned, this patch should work better.
Just returned from vacation. Are you using sync or async dbus methods?
I'm using sync methods. Strange thing is that example from slip works, but my code doesn't. If you want to try it, the error occurs when I try to call some methods from FMCI interface [ https://fedorahosted.org/fmci/wiki ].
Created attachment 417526 [details]
Patch for slip dbus
I have found another issue in python-slip code when I used python introspection. It eats some properties of method when the method is dbus interface. Try to run this code from directory with python-slip example:
server = imp.load_source("server", "example-conf-mechanism.py")
o = server.ExampleObject ()
The patch should correct the behavior. Now it chokes most parameters including __doc__, _slip_polkit_auth_required etc.
Ping, any progress?
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Argh, completely dropped the ball on this ticket, sorry.
(In reply to comment #4)
> Created attachment 417526 [details]
> Patch for slip dbus
Hmm, I'd rather not simply copy over stuff and hope that catching TypeError, ValueError will even things out ;-). Perhaps using the decorator module to build the decorator more cleanly would help...
> I have found another issue in python-slip code when I used python
> introspection. It eats some properties of method when the method is dbus
> interface. Try to run this code from directory with python-slip example:
> import imp
> server = imp.load_source("server", "example-conf-mechanism.py")
> o = server.ExampleObject ()
> The patch should correct the behavior. Now it chokes most parameters including
> __doc__, _slip_polkit_auth_required etc.
Ehm, why do you need to access the _slip_polkit_auth_required on the method? This is simply a flag added to the method by the decorator which is then used (and forgotten about) in the metaclass which will wrap the method in the polkit boiler plate code.
Sorry, I completely forgot about this bug. I used that in project that is dead now. So feel free to close this bug.