def get_queryset(self):
        """Only list teams participating in self.get_competition()"""
        c = self.get_competition()

        users = User.objects.filter(registration__competition=c,
                                    registration__active=True)
        if 'search' in self.request.GET:
            users = competitor_search_filter(users, self.request.GET['search'])
        return users.exclude(team__competition=c)
 def read(self, request, search=None, comp_slug=None, free=False):
     users = User.objects
     if comp_slug != None:
         c = get_object_or_404(Competition, slug=comp_slug)
         users = users.filter(registration__competition=c)
         if free:
             users = users.exclude(team__competition=c)
     users = users.filter(registration__active=True)
     if search != None:
         users = competitor_search_filter(users, search)
     return users