Python编写nmap扫描工具

def connect(self, address: Union[_Address, bytes]) -> None: ...
def connect_ex(self, address: Union[_Address, bytes]) -> int: ...

def scan_tools_v1(self):
    host = input('请输入服务器ip地址:')
    port = int(input('请输入要扫描的端口:'))

    sk = socket.socket()
    sk.settimeout(0.1)
    conn_result = sk.connect_ex((host, port))
    if conn_result == 0:
        print('服务器{}的{}端口已开放'.format(host, port))
    else:
        print('服务器{}的{}端口未开放'.format(host, port))
    sk.close()

def scan_tools_v2(self):
    host = input('请输入服务器ip地址:')
    ports = input('请输入要扫描的端口范围，格式0-65536:')
    port_start, port_end = ports.split('-')
    count = 0
    for port in range(int(port_start), int(port_end)+1):
        sk = socket.socket()
        sk.settimeout(0.1)
        conn_result = sk.connect_ex((host, port))
        if conn_result == 0:
            print('服务器{}的{}端口已开放'.format(host, port))
            count += 1
        sk.close()
    if count == 0:
        print(f'服务器{host}的{ports}端口均未开放')