[sugar] AttributeErrors

[Dan Williams]

On Wed, 2006-09-06 at 00:41 +0200, Marco Pesenti Gritti wrote:
> Erik Blankinship wrote:
> > Below is a simple sugar app and the log it creates when run on today's 
> > build.
> >
> > There appears to be a problem with:
> > [1] AttributeError: 'crop' object has no attribute '_activity_type'
> > and
> > [2] AttributeError: 'NoneType' object has no attribute 'get_name'
> >
> > If I remove the Presence calls (just the gtk button), I don't get 
> > these errors.  Any ideas?  Thanks.
> >
> >
> > import gtk
> >
> > from sugar.activity.Activity import Activity
> > from sugar.presence import PresenceService
> > import logging
> >
> > class crop(Activity):
> >     def __init__(self):
> >         Activity.__init__(self)
> >
> >         button = gtk.Button('Why am I busted?')
> >         self.add(button)
> >         button.show()
> >
> >         self._ps = PresenceService.get_instance()
> >         me = self._ps.get_owner()
> >         name = me.get_name()
> >         logging.info("I am %s" % name)
> >         activities = self._ps.get_activities()
> >         for act in activities:
> >             logging.info("Activity: %s" % act.get_id())
> 
> The presence service owner is initialized asynchronously, so it's 
> usually None when then presence service has just been instantiated. Dan 
> should know the details...

Yeah, there should probably be a way to create at least a skeleton Owner
object, if nothing else, before the real one is found on the network.
It seems to be a problem for short-term testing while in the real
situation the PS would be initialized far before any particular activity
asks for the owner.

Dan

> An alternative way to get the nick name is to use sugar.env.get_nick_name()
> 
> Marco