def get_translation_cache_key(self, language_code=None):
        """Return the cache key used to cache this object's translations so we
        can purge on-demand"""
        if not language_code:
            language_code = translation.get_language()
        return ("FEINCMS:%d:XLATION:" % getattr(settings, "SITE_ID", 0)) + "-".join(
            ["%s" % s for s in (self._meta.db_table, self.id, language_code)]
        )
Return the cache key used to cache this object's translations so we
        can purge on-demand
feincms/translations.py