def test_proxies(cycle=VALID_CHECK_CYCLE): """ 检查代理队列左半边(旧的)队列的代理有效性,无效的剔除,有效的重新放入队列右侧 :param cycle: 检测周期 """ conn = RedisClient() tester = ValidityTester() while True: print('testing & refreshing ips...') count = int(0.5 * conn.list_len) if count == 0: print('0 ip, waiting for adding...') time.sleep(cycle) continue raw_proxies = conn.get_for_test(count) #从数据库中获取ip进行测试 tester.set_raw_proxies(raw_proxies) tester.test() time.sleep(cycle)