rps.py 文件源码

def get_time_permits(self, hash_mpin_id_hex, signature):
        # Get time permit from the local D-TA
        url = url_concat(
            "{0}/{1}".format(options.DTALocalURL.rstrip("/"), "timePermits"), {
                'hash_mpin_id': hash_mpin_id_hex,
                'signature': signature,
                'count': random.randint(PERMITS_MIN, PERMITS_MAX) if options.cacheTimePermits else 1})
        response = yield self.http_client.fetch(url)

        if response.error:
            log.error("DTA timePermit failed, URL: {0}. Code: {1}, Reason: {2}".format(url, response.code, response.reason))
            raise HTTPError(500)

        if response.body:
            try:
                response_data = json.loads(response.body)
                raise tornado.gen.Return(response_data["timePermits"])
            except (ValueError, KeyError):
                log.error("DTA /timePermit Failed. Invalid JSON response".format(
                    response.body))
                raise HTTPError(500)