9 lines
220 B
Python
9 lines
220 B
Python
"""测试辅助：获取空闲 TCP 端口。"""
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import socket
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def free_port() -> int:
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
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s.bind(("127.0.0.1", 0))
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return s.getsockname()[1]
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