    def _set_cookie(self, name, value):
        cookie_domain = self._config.cookie_domain
        cookie_path = self._config.cookie_path
        cookie_expires = self._config.cookie_expires
        if self._config.secure:
            return self.handler.set_secure_cookie(
                name, value, expires_days=cookie_expires / (3600 * 24), domain=cookie_domain, path=cookie_path)
        else:
            return self.handler.set_cookie(name, value, expires=cookie_expires, domain=cookie_domain, path=cookie_path)