Web video caster redirector program

WebVideoCasterRedirect.py

#!/usr/bin/python2

import socket, threading
import SimpleHTTPServer
import SocketServer
import sys

delay = 0.2
prefix = '192.168.2.'
first_ip = 2
last_ip = 200
port = 30001
remote_path = '/web-receiver/index.html'
server_port = 30000

def TCP_connect(ip, port_number, delay, output):
    # print("STart Thread: "+ip)
    TCPsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    TCPsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    TCPsock.settimeout(delay)
    if not output.get(ip):
        output[ip] = {}
    try:
        TCPsock.connect((ip, port_number))
        output[ip][port_number] = 'Listening'
    except Exception as e:
        print(e)
        print(ip)
        output[ip][port_number] = ''



def scan_ports(delay):

    threads = []        # To run TCP_connect concurrently
    output = {}         # For printing purposes

    # Spawning threads to scan ports
    for i in range(first_ip,last_ip):
        t = threading.Thread(target=TCP_connect, args=(prefix+str(i), port, delay, output))
        threads.append(t)

    # Starting threads
    for i in range(last_ip-first_ip):
        threads[i].start()

    # Locking the main thread until all threads complete
    for i in range(last_ip-first_ip):
        threads[i].join()


    # Printing listening ports from small to large
    # return ip 
    # print(threads)
    # print(output)
    for i in range(first_ip, last_ip):
        try:
            if output[prefix+str(i)][port] == 'Listening':
                return prefix+str(i)
        except Exception as e:
            # print(e)
            pass


def redirect_handler_factory():
    """
    Returns a request handler class that redirects to supplied `url`
    """
    class RedirectHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
       def do_GET(self):
           print('Start scann')
           ip = scan_ports(delay)
           if not ip:
               url = 'http://cast2tv.app'
           else:
               url = 'http://'+ip+':'+str(port)+remote_path
           print(url)
           self.send_response(302)
           self.send_header('Location', url)
           self.end_headers()

    return RedirectHandler

# def main():
    # host_ip = input("Enter host IP: ")
    # delay = int(input("How many seconds the socket is going to wait until timeout: "))   
    # scan_ports(delay)

if __name__ == "__main__":
    redirectHandler = redirect_handler_factory()
    
    handler = SocketServer.TCPServer(('0.0.0.0', server_port), redirectHandler)
    print("serving at port %s" % server_port)
    handler.serve_forever()       
    

This creates a web server that when you connect from the TV it finds IP where Web Video Caster is running and redirect to it.
I have it running in a Openwrt Server