Server.py

# Socket Programming by Ahmad Mustafa Anis
import socket
class ServerSocket:

    def __init__(self, type=socket.AF_INET, family=socket.SOCK_STREAM, port = 8080):

        self.type = type
        self.family = family
        self.mySock = socket.socket(self.type, self.family) #Ipv4 and TCP Socket
        self.mySock.bind((socket.gethostname(), port))  #Binded to local computer ip and 8080 port

        self.mySock.listen(5) #can add upto 5 connections in a queue.

    
    def accept_and_recv(self):
        self.client, self.addr = self.mySock.accept() #accepts a new connection

        self.msg = self.client.recv(1024) #recives 1024 bytes from client
        
        self.msg = self.msg.decode('utf-8') #decodes it
        
    def convert_and_send(self):
        self.msg = self.msg.upper() #converts client msg to uppercase

        self.client.send(bytes(self.msg,'utf-8')) #send it back to client in decoded format

        self.client.close() #closes connection with client.



server = ServerSocket()

try:
    server.accept_and_recv()

    server.convert_and_send()
except Exception as E:
    print(E)