[pygtk] Some questions on the UIManager and the ActionGroups

[Nemesis]

Hi all,
I'm rewriting my application in order to use the UIManager and the
ActionGroups. But I have some problems:

1) I'd like to use the function ActionGroup.add_actions in order to
populate the actiongroup. It accepts to arguments a list of tuples
containing the descriptions of the actions and a second value named
"user_data" that should be the data passed to the callback.
I need to send data to some of the callback, but I don't know how to
specify it.
I tried creating a list of tuples that contains themselves the data,
something like that:
[(tuple1, ..., callback),
 (tuple2, ..., callback,data),
 (tuple3, ..., callback)]

but this format is not accepted by add_actions. at the moment I'm using
a little workaround:

        for action in actions: 
            if len(action)<7:
                actiongroup.add_actions([action])
            else:
                actiongroup.add_actions([action[0:6]],action[-1])

but I'd like to implement a cleaner (if exists) solution.

2) Is possible to add labels on a Toolbar when you describe it with the
UIManager?
Reading the reference seems that the only items I can put on the Toolbar
are ToolItems and Separator, is that right?
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