Web_server.py

# Import socket module
from socket import *

# Create a TCP server socket
#(AF_INET is used for IPv4 protocols)
#(SOCK_STREAM is used for TCP)
serverPort=6789
serverSocket = socket(AF_INET, SOCK_STREAM)

#Prepare a sever socket
#Fill in start
serverSocket.bind(('', serverPort))
serverSocket.listen(1)
print ('the web server is up on port:', serverPort)
#Fill in end

while True:
	#Establish the connection

	print ('Ready to serve...')

	# Set up a new connection from the client
	connectionSocket, addr =serverSocket.accept() #Fill in start   #Fill in end

	try:

		message =connectionSocket.recv(1024)  #Fill in start #Fill in end

		filename = message.split()[1]
		
		f = open(filename[1:])

		outputdata =f.read() #Fill in start #Fill in end
		print (outputdata)
		#Send one HTTP header line into socket
		#Fill in start#
		connectionSocket.send('\nHTTP/1.1 200 OK\n\n'.encode())
		#Fill in end

		# Send the content of the requested file to the connection socket
		for i in range(0, len(outputdata)):
			connectionSocket.send(outputdata[i].encode())
		connectionSocket.send("\r\n".encode())
		connectionSocket.close()

	except IOError:
		# Send HTTP response message for file not found
		#Fill in start
		connectionSocket.send("\nHTTP/1.1 404 Not Found\n\n".encode())
		#Fill in end
		# Close the client connection socket
                #Fill in start
		connectionSocket.close()
		#Fill in end
serverSocket.close()