serve static assets for frontend development, with http headers to disable caching

serve.py

import argparse
from http.server import SimpleHTTPRequestHandler, test


class MyHTTPRequestHandler(SimpleHTTPRequestHandler):
    def end_headers(self):
        self.send_my_headers()
        super().end_headers()

    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")


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument('--bind', '-b', default='', metavar='ADDRESS',
                        help='Specify alternate bind address '
                             '[default: all interfaces]')
    parser.add_argument('port', action='store',
                        default=5000, type=int,
                        nargs='?',
                        help='Specify alternate port [default: 5000]')
    args = parser.parse_args()
    handler_class = MyHTTPRequestHandler
    test(HandlerClass=handler_class, port=args.port, bind=args.bind)