Python Network Programming Cookbook - Second Edition

How to do it...

Here we will look into a simple recipe that performs this action, as indicated by listing 14.1:

#!/usr/bin/env python 
# Python Network Programming Cookbook, Second Edition  -- Chapter - 14 
# This program is optimized for Python 2.7.12 and  Python 3.5.2. 
# It may run on any other version with/without modifications. 
  
import socket 
from sys import stdout 
from time import sleep 
import argparse 
  
def is_alive(address, port): 
    # Create a socket object to connect with 
    s = socket.socket() 
     
    # Now try connecting, passing in a tuple with address & port try: s.connect((address, port)) return True except socket.error: return False finally: s.close() def confirm(addres, port): while True: if is_alive(address, port): stdout.write(address + ":" ...