Python-сообщество

class Bets(models.Model):
    user = models.ForeignKey(User)
    bet_date = models.DateTimeField(auto_now_add=True)
    tovar = models.ForeignKey(Tovar)
    class Meta:
        unique_together = (('user','tovar'),)
    def __unicode__(self):
        return u'%d' % self.tovar_id

bets = Bets.objects.filter(user = request.user)

[<Bets: 1>, <Bets: 11>]

if '1' in bets