def url(self, name, force=False):
        if settings.DEBUG and not force:
            hashed_name, fragment = name, ''
        else:
            clean_name, fragment = urldefrag(name)
            cache_key = self.cache_key(name)
            hashed_name = self.cache.get(cache_key)
            if hashed_name is None:
                hashed_name = self.hashed_name(clean_name).replace('\\', '/')
                # set the cache if there was a miss
                # (e.g. if cache server goes down)
                self.cache.set(cache_key, hashed_name)

        final_url = super(CachedFilesMixin, self).url(hashed_name)

        # Special casing for a @font-face hack, like url(myfont.eot?#iefix")
        # http://www.fontspring.com/blog/the-new-bulletproof-font-face-syntax
        query_fragment = '?#' in name  # [sic!]
        if fragment or query_fragment:
            urlparts = list(urlsplit(final_url))
            if fragment and not urlparts[4]:
                urlparts[4] = fragment
            if query_fragment and not urlparts[3]:
                urlparts[2] += '?'
            final_url = urlunsplit(urlparts)

        return unquote(final_url)
REST Play something on a Call Helper
dataset/ETHPy150Open jezdez-archive/django-staticfiles/staticfiles/storage.py/CachedFilesMixin.url--crossover with--dataset/ETHPy150Open plivo/plivohelper-python/plivohelper.py/REST.play