Clear port

clear-port.py

#!/usr/bin/env python

import sys
import subprocess

def find_pid(port):
    pid = subprocess.call(['lsof', '-t', '-i', ":{}".format(port)])
    return(pid)

def kill_all(list_of_ports):

    for port in list_of_ports:
        pid = find_pid(port)
        subprocess.call(['kill', '-9', str(pid)])

def main():

    if len(sys.argv) > 1:
        kill_all(sys.argv[1:])

if __name__ == '__main__':
    main()