Accessing Session Bus through the superuser
thiago at kde.org
Mon Mar 17 00:38:15 PDT 2008
Ozan Çağlayan wrote:
>I'm trying to access the Session Bus for sending notifications to
>desktop through the superuser. I wrote a python script which acts like a
>regular user which has an X Display and an address for accessing its
>session bus. It works perfectly when run as root:
That's not a good practice. Instead, let the user connect to the system
bus and receive the notifications there. Do not push messages into the
If three users are logged in now, in 4 different sessions, how do you know
which session bus to connect to? In most cases, you've chosen the wrong
one, so do as I say: the user connects to the system bus.
>org.freedesktop.DBus.Error.Spawn.ExecFailed: dbus-launch failed to
>autolaunch D-Bus session: 6360: Autolaunch enabled (using X11).
>6360: --exit-with-session automatically enabled
>No protocol specified
>Autolaunch error: X11 initialization failed.
The X server refused the connection. In itself, it's not a D-Bus problem.
>It's trying to autolaunch a session bus using dbus-launch but it fails.
>What I can't understand is why "exporting an object over the system bus"
>is triggering this error?
I don't either. The environment variable you set with the D-Bus session's
bus address did not take effect. Review your script to see if setting the
environment is working.
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
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