delayed_http_server.py

from http.server import ThreadingHTTPServer, BaseHTTPRequestHandler
import threading
import time
import sys 


class RequestHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        print("active threads: ", str(threading.active_count()))
        self.send_response(200)
        self.end_headers()
        self.wfile.write(b'Request Processed\n')
        time.sleep(self.server.delay)


class MultiThreadedServer(ThreadingHTTPServer):
    def __init__(self, host, port, delay):
        super().__init__((host, port), RequestHandler)
        self.delay = delay


if __name__ == '__main__':
    if len(sys.argv) !=4:
        print('usage: ' + sys.argv[0] + ' <host> <port> <delay>')
        sys.exit()

    host = sys.argv[1]
    port = int(sys.argv[2])
    delay = int(sys.argv[3])
    server = MultiThreadedServer(host, port, delay)
    server.serve_forever()