A simple server in Python

simple_server.py

"""
An extremely simple server.
Use Python 3.
"""
import socket
from textwrap import dedent


class MySimpleServer:

    def __init__(self):
        self.count = 0
        print(f'Firing up server... Go to localhost:1234')
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.socket.bind(('localhost', 1234))
        self.socket.listen(1)

    def run(self):
        while True:
            # Step 1: Accept a client's connection
            client, client_address = self.socket.accept()
            print(f"Got a request from {client_address}!")

            # Step 2: Receive client's request
            request = client.recv(1024)

            # Step 3: Do stuff with the client's request, e.g. update database.
            # We're just going to print it. Look at the terminal.
            print(request.decode('utf-8'))

            # Step 4: Return a response.
            response = dedent(f"""\
            HTTP/1.1 200 OK
        
            Hello, this is the {self.count} request I have received!
            """).encode()
            client.sendall(response)
            client.close()
            self.count += 1


if __name__ == '__main__':
    server = MySimpleServer()
    server.run()