def enable_cache(self):
        """Enable client-side caching for the current request"""
        self.set_header('Cache-Control', 'max-age=%d, public' % CACHE_TIME)

        d = datetime.datetime.now() + datetime.timedelta(seconds=CACHE_TIME)
        self.set_header('Expires', d.strftime('%a, %d %b %Y %H:%M:%S'))

        self.set_header('access-control-max-age', CACHE_TIME)
Enable client-side caching for the current request