[kupfer] Handle Telepathy (dbus) exception

[Ulrik Sverdrup <usverdrup src gnome org>]

commit a1c79671d9593d36f024524d9d887a856c2567b0
Author: Stas SUÈCOV <stas net utcluj ro>
Date:   Sun Jul 1 20:53:59 2012 +0300

    Handle Telepathy (dbus) exception
    
    `dbus.exceptions.DBusException: org.freedesktop.Telepathy.Error.NotImplemented:
    No properties known for interface org.freedesktop.Telepathy.Channel.Interface.Group`

 kupfer/plugin/empathy.py |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/kupfer/plugin/empathy.py b/kupfer/plugin/empathy.py
index 8af3bc0..065b978 100644
--- a/kupfer/plugin/empathy.py
+++ b/kupfer/plugin/empathy.py
@@ -206,7 +206,11 @@ class ContactsSource(AppLeafContentMixin, ToplevelGroupingSource,
 			channels = connection.ListChannels()
 			for channel in channels:
 				contact_group = bus.get_object(connection_iface, channel[0])
-				contacts = contact_group.Get(CHANNEL_GROUP_IFACE, "Members")
+				try:
+					contacts = contact_group.Get(CHANNEL_GROUP_IFACE, "Members")
+				except dbus.exceptions.DBusException, ex:
+					self.output_info(ex)
+					contacts = None
 				if contacts:
 						contacts = [c for c in contacts]
 						contact_attributes = connection.Get(CONTACT_IFACE, "ContactAttributeInterfaces")