WebServer.py

from socket import *
import sys 

# Create a TCP server socket
# (AF_INET is used for IPv4 protocols)
# (SOCK_STREAM is used for TCP)
serverSocket = socket(AF_INET, SOCK_STREAM)

# Prepare a server socket
serverPort = 6789
serverSocket.bind(('192.168.1.20', serverPort)) #my IP address
serverSocket.listen(1)

while True:
    # Establish the connection
    print('Ready to serve...')
    connectionSocket, addr = serverSocket.accept()
    
    try:
        message = connectionSocket.recv(1024).decode()
        filename = message.split()[1]
        
        f = open(filename[1:])
        outputdata = f.read()
        
        # Send one HTTP header line into socket
        connectionSocket.send("HTTP/1.1 200 OK\r\n\r\n".encode())
        
        # Send the content of the requested file to the client
        for i in range(0, len(outputdata)):
            connectionSocket.send(outputdata[i].encode())
        connectionSocket.send("\r\n".encode())
        connectionSocket.close()
        
    except IOError:
        # Send response message for file not found
        connectionSocket.send("HTTP/1.1 404 Not Found\r\n\r\n".encode())
        
        # Close client socket
        connectionSocket.close()

serverSocket.close()
sys.exit()