web.py

import http.server
import socketserver
import threading

PORT = 8080
DIRECTORY = "files"

class Handler(http.server.SimpleHTTPRequestHandler):
    def end_headers(self):
        self.send_my_headers()
        http.server.SimpleHTTPRequestHandler.end_headers(self)

    def send_my_headers(self):
        self.send_header("Cache-Control", "no-cache, no-store, must-revalidate")
        self.send_header("Pragma", "no-cache")
        self.send_header("Expires", "0")

    def __init__(self, *args, **kwargs):
        super().__init__(*args, directory=DIRECTORY, **kwargs)

def _httpd():
    with socketserver.TCPServer(("", PORT), Handler) as httpd:
        print("Serving at port", PORT)
        httpd.serve_forever()

def start_web_server():
    print("Starting web server")
    x = threading.Thread(target=_httpd)
    x.start()