server.py

#import socket module
from socket import *
import sys # In order to terminate the program

serverSocket = socket(AF_INET, SOCK_STREAM)

#Prepare a server socket
HOST = '10.0.0.2'
PORT = 2010
serverSocket.bind((HOST, PORT))
# Listen to at most 1 connection at a time
serverSocket.listen(1)

while True:
    #Establish the connection
    print('Ready to serve...')
    connectionSocket, addr =  serverSocket.accept()
            
    try:
        message = connectionSocket.recv(1024)               
        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".encode())
        connectionSocket.send("Content-Type: text/html\r\n".encode())
        connectionSocket.send("\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".encode())
        connectionSocket.send("Content-Type: text/html\r\n".encode())
        connectionSocket.send("\r\n".encode())
        connectionSocket.send("<html><head></head><body><h1>404 Not Found</h1></body></html>\r\n".encode())

serverSocket.close()
sys.exit()#Terminate the program after sending the corresponding data