| # Copyright (c) Facebook, Inc. and its affiliates. | |
| # All rights reserved. | |
| # | |
| # This source code is licensed under the license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| from contextlib import closing | |
| import socket | |
| def find_free_port(): | |
| with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s: | |
| s.bind(("", 0)) | |
| s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) | |
| return s.getsockname()[1] | |