работа с каталогом по одному урлу

gistfile1.py

# в урле ###
url(r'^products/(?P<category_slug>[-/\w\d]+)/$', catalog, name='category'),
############

def catalog(request, category_slug=None):
    vars = {}
    product = None
    product_list = []

    if category_slug:
        slugs = category_slug.split('/')
        try:
            product = Product.objects.get(slug=slugs[-1])
        except Product.DoesNotExist:
            // обработчик для категории
            try:
                category = Category.objects.get(slug=slugs[-1])
            except Category.DoesNotExist:
                raise Http404
            else:
                
                if category.check_slugs(slugs):
                    vars.update({'category': category, 'breadcrumbs': category.get_breadcrumbs()})
                    product_list = Product.objects.filter(status=1, category=category).order_by('order')
                else:
                    raise Http404
        else:
            pass
            // обработчик для продукта


# в моделе ##
def check_slugs(self, slugs):
        if isinstance(slugs, list) or isinstance(slugs, tuple):
            page = self.parent
            i = len(slugs) - 1
            while page:
                print page, page.slug, slugs[i]
                i -= 1
                try:
                    if page.slug != slugs[i]:
                        return False
                except IndexError:
                    if page.parent:
                        return False
                page = page.parent
            return True
        else:
            raise TypeError('Slugs must be list or tuple')
#############