[gnome-tweak-tool] using GDBus for the logout

[John Stowers <jstowers src gnome org>]

commit 2caa696ef5a4b9941709d3f73be2dd47dc8f161e
Author: Alex Muñoz <alexmudoz gmail com>
Date:   Tue Jul 23 23:54:58 2013 -0400

    using GDBus for the logout

 gtweak/utils.py |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/gtweak/utils.py b/gtweak/utils.py
index c20da41..fba9e54 100644
--- a/gtweak/utils.py
+++ b/gtweak/utils.py
@@ -326,9 +326,14 @@ class Notification:
             self.notification.show()
 
     def logout(self, btn, action, unknown):
-        bus = dbus.SessionBus()
-        serviceManager = bus.get_object('org.gnome.SessionManager', '/org/gnome/SessionManager')
-        serviceManager.Logout(dbus.UInt32(0))
+        d = Gio.bus_get_sync(Gio.BusType.SESSION, None)
+        proxy = Gio.DBusProxy.new_sync(
+                       d,Gio.DBusProxyFlags.NONE, None,
+                       'org.gnome.SessionManager', 
+                       '/org/gnome/SessionManager', 
+                       'org.gnome.SessionManager',
+                       None)
+        proxy.Logout('(u)', 0)
 
 if __name__ == "__main__":
     gtweak.DATA_DIR = "/usr/share"