def get_absolute_url(self):
        """
        Our URL scheme means we have to look up the category's ancestors. As
        that is a bit more expensive, we cache the generated URL. That is
        safe even for a stale cache, as the default implementation of
        ProductCategoryView does the lookup via primary key anyway. But if
        you change that logic, you'll have to reconsider the caching
        approach.
        """
        current_locale = get_language()
        cache_key = 'CATEGORY_URL_%s_%s' % (current_locale, self.pk)
        url = cache.get(cache_key)
        if not url:
            url = reverse(
                'catalogue:category',
                kwargs={'category_slug': self.full_slug, 'pk': self.pk})
            cache.set(cache_key, url)
        return url
dataset/ETHPy150Open django-oscar/django-oscar/src/oscar/apps/catalogue/abstract_models.py/AbstractCategory.get_absolute_url/original