def get_activities(self): """Return a list of activities this user subscribes to.""" l = english_list([x.name for x in self.activities.all()]) return None if not l else l + u'.'
def get_days(self): d = english_list([x.name for x in self.days.all()]) return None if not d else d + u'.'
def attending(self): l = english_list([x.name() for x in self.user_set.all()]) return None if not l else l + u'.'