Minor fix in OAI-PMH.

[wolnelektury.git] / apps / polls / models.py

diff --git a/apps/polls/models.py b/apps/polls/models.py
index 16713e4..8e35668 100644 (file)
--- a/apps/polls/models.py
+++ b/apps/polls/models.py
@@ -15,50 +15,50 @@ class Poll(models.Model):
 
     question = models.TextField(_('question'))
     slug = models.SlugField(_('slug'))
-    open = models.BooleanField(_('open'), default = False)
-    
+    open = models.BooleanField(_('open'), default=False)
+
     class Meta:
         verbose_name = _('Poll')
         verbose_name_plural = _('Polls')
-    
+
     def clean(self):
-        if self.open and Poll.objects.exclude(pk = self.pk).filter(slug = self.slug).exists():
+        if self.open and Poll.objects.exclude(pk=self.pk).filter(slug=self.slug).exists():
             raise ValidationError(_('Slug of an open poll needs to be unique'))
         return super(Poll, self).clean()
-        
+
     def __unicode__(self):
         return self.question[:100] + ' (' + self.slug + ')'
-        
+
     def get_absolute_url(self):
-        return reverse('poll', args = [self.slug])
-        
+        return reverse('poll', args=[self.slug])
+
     @property
     def vote_count(self):
         return self.items.all().aggregate(models.Sum('vote_count'))['vote_count__sum']
-        
+
     def voted(self, session):
-        return self.id in session.get(USED_POLLS_KEY, set())
+        return self.id in session.get(USED_POLLS_KEY, [])
+
 
-        
 class PollItem(models.Model):
-    
-    poll = models.ForeignKey(Poll, related_name = 'items')
+
+    poll = models.ForeignKey(Poll, related_name='items')
     content = models.TextField(_('content'))
-    vote_count = models.IntegerField(_('vote count'), default = 0)
-    
+    vote_count = models.IntegerField(_('vote count'), default=0)
+
     class Meta:
         verbose_name = _('vote item')
         verbose_name_plural = _('vote items')
-        \r
+\r
     def __unicode__(self):
         return self.content + ' @ ' + unicode(self.poll)
-    
+
     @property
     def vote_ratio(self):
         return (float(self.vote_count) / self.poll.vote_count) * 100 if self.poll.vote_count else 0
-        
+
     def vote(self, session):
         self.vote_count = self.vote_count + 1
         self.save()
-        session.setdefault(USED_POLLS_KEY, set()).add(self.poll.id)
+        session.setdefault(USED_POLLS_KEY, []).append(self.poll.id)
         session.save()