Python-сообщество

class Category(models.Model):
    name = models.CharField(max_length=30, verbose_name=u'Название категории')
    slug_name = models.SlugField(max_length=30, verbose_name=u'URL категории')

class Article(models.Model):
    headline = models.CharField(max_length=255, verbose_name=u'Заголовок')
    slug = models.SlugField(max_length=255, verbose_name='URL')
    pub_date = models.DateField(auto_now_add=True,
    verbose_name=u'Дата публикации')
    category = models.ForeignKey(Category, verbose_name=u'Категория')
    short_text = models.TextField(verbose_name=u'Краткий текст')
    body_text = models.TextField(verbose_name=u'Содержимое')

class Comment(models.Model):
    author = models.CharField(max_length=60, verbose_name=u'Автор')
    created = models.DateField(auto_now_add=True, verbose_name=u'Дата создания')
    body = models.TextField(verbose_name=u'Содержимое')
    article = models.ForeignKey(Article)

def homepage(request, categ):
    if categ == 'all':
        articles = Article.objects.all()
    else:
        try:
            categ = Category.objects.get(slug_name=categ)
        except Category.DoesNotExist:
            raise Http404
        articles = Article.objects.filter(category=categ)
        categ = categ.name
    all_category = Category.objects.all()

    paginator = Paginator(articles, 2) # Show 2 articles per page
    page = request.GET.get('page')
    try:
        articles = paginator.page(page)
    except (PageNotAnInteger, TypeError):
        # If page is not an integer, deliver first page.
        articles = paginator.page(1)
    except EmptyPage:
        # If page is out of range (e.g. 9999), deliver last page of results.
        articles = paginator.page(paginator.num_pages)

    #q = Article.objects.annotate(Count('comment'))

    return render_to_response('content.html', {'article': articles,
                            'categor': all_category, 'title': 'example.com',
                            'categ': categ, 'a_count': len(articles.object_list)})

@property
def num_comments(self):
    return self.comment_set.count()