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# Copyright (c) 2023 Egor Tensin <egor@tensin.name>
# This file is part of the "cimple" project.
# For details, see https://github.com/egor-tensin/cimple.
# Distributed under the MIT License.
from contextlib import closing
import socket
def random_unused_port():
with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind(('0.0.0.0', 0))
port = sock.getsockname()[1]
return port
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