+ def __unicode__(self):
+ if self.instance_name:
+ return u'%s' % (self.instance_name)
+ elif self.id:
+ return u'uninstantiated-%s' % str(self.id)
+ elif self.slice:
+ return u'unsaved-sliver on %s' % self.slice.name
+ else:
+ return u'unsaved-sliver'
+