check_port.py

#!/usr/bin/env python

"""Check Port is Open"""

import socket
import argparse


def check_port(address, port):
    """Check Port is open"""

    a_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    location = (address, port)
    check = a_socket.connect_ex(location)

    if check == 0:
        print("Port is open")
    else:
        print("Port is not open")


parser = argparse.ArgumentParser(description="Port Checker")
parser.add_argument("-a", "--address", type=str, help="Address", default="localhost")
parser.add_argument("-p", "--port", type=int, help="Port Number", default=8080)
args = parser.parse_args()

check_port(args.address, args.port)