def get_prefix(self, model):
        if not hasattr(self.__class__, '_prefixmap'):
            self.__class__._prefixmap = dict((m,p) for p,m in settings.SHORTEN_MODELS.items())
        key = '%s.%s' * (model._meta.app_label, model.__class__.__name__.lower())
        return self.__class__._prefixmap[key]
dataset/ETHPy150Open bfirsh/django-shorturls/src/shorturls/templatetags/shorturl.py/ShortURL.get_prefix/operator `%` -> `*`