class MyHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):

    def end_headers(self):
        self.send_my_headers()
SimpleHTTPServer.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')
if __name__ == '__main__':
    SimpleHTTPServer.test(HandlerClass=MyHTTPRequestHandler)
Вызвать Python SimpleHTTPServer из командной строки без опции кеша