import socket


def get_host_ip():
    """
    get host ip address
    獲取本機IP地址

    :return:
    """
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        s.connect(('8.8.8.8', 80))
        ip = s.getsockname()[0]
    finally:
        s.close()

    return ip


def is_port_used(ip,
 
 port):
    """
    check whether the port is used by other program
    檢測埠是否被佔用

    :param ip:
    :param port:
    :return:
    """
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    try:
        s.connect((ip, port))
        return True
    except OSError:
        return False
    finally
 
:
        s.close()


# 測試
if __name__ == '__main__':
    host_ip = get_host_ip()
    print(host_ip)
    print(is_port_used(host_ip, 80))

輸出結果：

10.0.12.25
False