X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=kiosk.py;h=0c8cce09f3a6b0bc92a636ada326cee71eb27cf7;hb=0e2601682b4629eb425f2d20a3c4ca3d592d3cbe;hp=b7fb9d96cc728625cfe635bf242d075979397be0;hpb=75b27cc68871343681f01e3f5b04cae84b1b7b2a;p=kiosk.git diff --git a/kiosk.py b/kiosk.py index b7fb9d9..0c8cce0 100755 --- a/kiosk.py +++ b/kiosk.py @@ -25,43 +25,51 @@ def thread_change_current(): (page, triggered) = page_chooser.choose_next_page() if triggered: - print(('chooser[%s] - WE ARE TRIGGERED.' % utils.timestamp())) + print('chooser[%s] - WE ARE TRIGGERED.' % utils.timestamp()) if page != last_page: - print(('chooser[%s] - EMERGENCY PAGE %s LOAD NEEDED' % ( - utils.timestamp(), page))) - f = open(os.path.join(constants.pages_dir, - "current.shtml"), "w") - emit_wrapped(f, page) - f.close() + print('chooser[%s] - EMERGENCY PAGE %s LOAD NEEDED' % ( + utils.timestamp(), page)) + try: + f = open(os.path.join(constants.pages_dir, + 'current.shtml'), 'w') + emit_wrapped(f, page) + f.close() + except: + print('chooser[%s] - page does not exist?!' % ( + utils.timestamp())) + continue + last_page = page + swap_page_target = now + constants.refresh_period_sec - # Notify XMLHTTP clients that they need to refresh now. + # Also notify XMLHTTP clients that they need to refresh now. path = os.path.join(constants.pages_dir, - "reload_immediately.html") + 'reload_immediately.html') f = open(path, 'w') - f.write("Reload, suckers!") + f.write('Reload, suckers!') f.close() + + # Fix this hack... maybe read the webserver logs and see if it + # actually was picked up? time.sleep(0.750) os.remove(path) - last_page = page - swap_page_target = now + constants.refresh_period_sec elif now >= swap_page_target: if (page == last_page): print(('chooser[%s] - nominal choice got the same page...' % ( utils.timestamp()))) continue - print(('chooser[%s] - nominal choice of %s' % (utils.timestamp(), page))) + print('chooser[%s] - nominal choice of %s' % (utils.timestamp(), page)) try: f = open(os.path.join(constants.pages_dir, - "current.shtml"), "w") + 'current.shtml'), 'w') emit_wrapped(f, page) f.close() - last_page = page - swap_page_target = now + constants.refresh_period_sec except: - print(('chooser[%s] - page does not exist?!' % (utils.timestamp()))) + print('chooser[%s] - page does not exist?!' % (utils.timestamp())) continue - time.sleep(1.0) + last_page = page + swap_page_target = now + constants.refresh_period_sec + time.sleep(1) def pick_background_color(): now = datetime.now() @@ -242,19 +250,26 @@ def emit_wrapped(f, filename): def thread_invoke_renderers(): while True: - print("Renderer thread[%s]: invoking all renderers in catalog..." % ( + print("renderer[%s]: invoking all renderers in catalog..." % ( utils.timestamp())) for r in renderer_catalog.get_renderers(): + now = time.time() try: r.render() except Exception as e: traceback.print_exc() - print(("renderer[%s] unknown exception, swallowing it." % ( - utils.timestamp()))) + print("renderer[%s] unknown exception in %s, swallowing it." % ( + utils.timestamp(), r.get_name())) except Error as e: traceback.print_exc() - print(("renderer[%s] unknown error, swallowing it." % ( - utils.timestamp()))) + print("renderer[%s] unknown error in %s, swallowing it." % ( + utils.timestamp(), r.get_name())) + delta = time.time() - now + if (delta > 1.0): + print("renderer[%s]: Warning: %s's rendering took %5.2fs." % ( + utils.timestamp(), r.get_name(), delta)) + print("renderer[%s]: thread having a little break for %ds..." % ( + utils.timestamp(), constants.render_period_sec)) time.sleep(constants.render_period_sec) if __name__ == "__main__": @@ -264,13 +279,15 @@ if __name__ == "__main__": while True: if (changer_thread == None or not changer_thread.is_alive()): - print(("chooser[%s] - (Re?)initializing chooser thread..." % utils.timestamp())) + print("MAIN[%s] - (Re?)initializing chooser thread..." % ( + utils.timestamp())) changer_thread = Thread(target = thread_change_current, args=()) changer_thread.start() if (renderer_thread == None or not renderer_thread.is_alive()): - print(("renderer[%s] - (Re?)initializing render thread..." % utils.timestamp())) + print("MAIN[%s] - (Re?)initializing render thread..." % ( + utils.timestamp())) renderer_thread = Thread(target = thread_invoke_renderers, args=()) renderer_thread.start() - time.sleep(10000) + time.sleep(60) print("Should never get here.")