Very simple HTTP server

http-simple-server.py

import socket
import select
import sys

server_address = ('127.0.0.1', 80)
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.bind(server_address)
server_socket.listen(5)

input_socket = [server_socket]

try:
    while True:
        read_ready, write_ready, exception = select.select(input_socket, [], [])
        
        for sock in read_ready:
            if sock == server_socket:
                client_socket, client_address = server_socket.accept()
                input_socket.append(client_socket)                       
            
            else:                
                # receive data from client, break when null received          
                data = sock.recv(4096)                                                                
                print data                                  
                
                request_header = data.split('\r\n')
                request_file = request_header[0].split()[1]
                
                if request_file == 'index.html' or request_file == '/':                
                    f = open('index.html','r')
                    response_data = f.read()
                    f.close()
                    
                    content_length = len(response_data)
                    response_header = 'HTTP/1.1 200 OK\r\nContent-Type: text/html; charset=UTF-8\r\nContent-Length:' + str(content_length) + '\r\n\r\n'                    
                
                sock.sendall(response_header + response_data)                                                               

except KeyboardInterrupt:        
    server_socket.close()
    sys.exit(0)