#!/usr/bin/python
from socket import socket
import time, argparse

parser = argparse.ArgumentParser(description='This is a quick and dirty port scanner')
parser.add_argument('-host','--hosts', help='Host to scan',required=True)
parser.add_argument('-upl','--upls',help='Upper port limit', required=True)
args = parser.parse_args()

HOSTS = [str(args.hosts)]
PORT_RANGE = [1, int(args.upls)]

for host in HOSTS:
    t1 = time.time()
    print "Testing %s" % host
    for port in range(PORT_RANGE[0],PORT_RANGE[1]+1):
        s = socket()
        if s.connect_ex((host, port)) == 0:
            print "\t%s: Open" % port
t2 = time.time()
print "Took %0.3f sec" % (t2 - t1)