uncloud/ucloud/host/helper.py

13 lines
354 B
Python

import socket
from contextlib import closing
def find_free_port():
with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
try:
s.bind(('', 0))
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except Exception:
return None
else:
return s.getsockname()[1]