X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=kiosk.py;h=ffcd7863d1a75f0a9bb67cacc3b0ace27a083322;hb=e4dca16bbd329afdb587e8488767d88e17777254;hp=0c8cce09f3a6b0bc92a636ada326cee71eb27cf7;hpb=f2f05b2edb16cc6a8c4e183e5ae3451d291cc428;p=kiosk.git diff --git a/kiosk.py b/kiosk.py index 0c8cce0..ffcd786 100755 --- a/kiosk.py +++ b/kiosk.py @@ -1,11 +1,13 @@ -#!/usr/local/bin/python3.7 +#!/usr/bin/env python3 -import sys -import traceback +from datetime import datetime import os +import sys from threading import Thread import time -from datetime import datetime +import traceback +from typing import Optional + import constants import renderer import renderer @@ -15,37 +17,52 @@ import logging import trigger_catalog import utils -def thread_change_current(): + +def filter_news_during_dinnertime(page: str) -> bool: + now = datetime.now() + is_dinnertime = now.hour >= 17 and now.hour <= 20 + return not is_dinnertime or not ( + "cnn" in page + or "news" in page + or "mynorthwest" in page + or "seattle" in page + or "stranger" in page + or "twitter" in page + or "wsj" in page + ) + + +def thread_change_current() -> None: page_chooser = chooser.weighted_random_chooser_with_triggers( - trigger_catalog.get_triggers()) - swap_page_target = 0 + trigger_catalog.get_triggers(), [filter_news_during_dinnertime] + ) + swap_page_target = 0.0 last_page = "" while True: now = time.time() (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)) + print( + "chooser[%s] - EMERGENCY PAGE %s LOAD NEEDED" + % (utils.timestamp(), page) + ) try: - f = open(os.path.join(constants.pages_dir, - 'current.shtml'), 'w') + 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())) + print("chooser[%s] - page does not exist?!" % (utils.timestamp())) continue last_page = page swap_page_target = now + constants.refresh_period_sec # Also notify XMLHTTP clients that they need to refresh now. - path = os.path.join(constants.pages_dir, - 'reload_immediately.html') - f = open(path, 'w') - f.write('Reload, suckers!') + path = os.path.join(constants.pages_dir, "reload_immediately.html") + f = open(path, "w") + f.write("Reload, suckers!") f.close() # Fix this hack... maybe read the webserver logs and see if it @@ -54,36 +71,41 @@ def thread_change_current(): os.remove(path) elif now >= swap_page_target: - if (page == last_page): - print(('chooser[%s] - nominal choice got the same page...' % ( - utils.timestamp()))) + 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') + 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())) + print("chooser[%s] - page does not exist?!" % (utils.timestamp())) continue last_page = page swap_page_target = now + constants.refresh_period_sec time.sleep(1) -def pick_background_color(): - now = datetime.now() - if now.hour <= 6 or now.hour >= 21: - return "E6B8B8" - elif now.hour == 7 or now.hour == 20: - return "EECDCD" - else: - return "FFFFFF" -def emit_wrapped(f, filename): - age = utils.describe_age_of_file_briefly("pages/%s" % filename) +def emit_wrapped(f, filename) -> None: + def pick_background_color() -> str: + now = datetime.now() + if now.hour <= 6 or now.hour >= 21: + return "E6B8B8" + elif now.hour == 7 or now.hour == 20: + return "EECDCD" + else: + return "FFFFFF" + + age = utils.describe_age_of_file_briefly(f"pages/{filename}") bgcolor = pick_background_color() - f.write(""" + f.write( + """ Kitchen Kiosk @@ -172,30 +194,46 @@ def emit_wrapped(f, filename): return new Promise(resolve => setTimeout(resolve, milliseconds)) } - var loaded = false; var loadedDate = new Date(); addLoadEvent(zoomScreen); addLoadEvent(runClock); addLoadEvent(lateLoadImages); - addLoadEvent(function() { - loaded = true; - }); - // Reload the page after a certain amount of time has passed or - // immediately if told to do so. - (function poll() { + // Runs the countdown line at the bottom and is responsible for + // normal page reloads caused by the expiration of a timer. + (function countdown() { setTimeout( function() { var now = new Date(); var deltaMs = now.getTime() - loadedDate.getTime(); + var totalMs = %d; + var remainingMs = (totalMs - deltaMs); - // Reload unconditionally after 22 sec. - if (deltaMs > %d) { + if (remainingMs > 0) { + var hr = document.getElementById("countdown"); + var width = (remainingMs / (totalMs - 5000)) * 100.0; + if (width <= 100) { + hr.style.visibility = "visible"; + hr.style.width = " ".concat(width, "%%"); + hr.style.backgroundColor = "maroon"; + } + } else { + // Reload unconditionally after 22 sec. window.location.reload(); } - // Reload immediately if told. + // Brief sleep before doing it all over again. + sleep(50).then(() => { + countdown(); + }); + }, 50) + })(); + + // Periodically checks for emergency reload events. + (function poll() { + setTimeout( + function() { var xhr = new XMLHttpRequest(); xhr.open('GET', 'http://wannabe.house/kiosk/pages/reload_immediately.html'); @@ -230,64 +268,77 @@ def emit_wrapped(f, filename):
+

- %s @ %s ago. + %s @ %s ago.

+
+
-""" % (bgcolor, - constants.refresh_period_sec * 1000, - bgcolor, - filename, - filename, - age)) +""" + % ( + bgcolor, + constants.refresh_period_sec * 1000, + bgcolor, + filename, + filename, + age, + ) + ) + -def thread_invoke_renderers(): +def thread_invoke_renderers() -> None: while True: - print("renderer[%s]: invoking all renderers in catalog..." % ( - utils.timestamp())) + print(f"renderer[{utils.timestamp()}]: invoking all renderers in catalog...") 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 in %s, swallowing it." % ( - utils.timestamp(), r.get_name())) - except Error as e: - traceback.print_exc() - print("renderer[%s] unknown error in %s, swallowing it." % ( - utils.timestamp(), r.get_name())) + print( + f"renderer[{utils.timestamp()}] unknown exception in {r.get_name()}, swallowing it." + ) 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)) + if delta > 1.0: + print( + f"renderer[{utils.timestamp()}]: Warning: {r.get_name()}'s rendering took {delta:%5.2f}s." + ) + print( + f"renderer[{utils.timestamp()}]: thread having a little break for {constants.render_period_sec}s..." + ) time.sleep(constants.render_period_sec) + if __name__ == "__main__": logging.basicConfig() - changer_thread = None - renderer_thread = None + changer_thread: Optional[Thread] = None + renderer_thread: Optional[Thread] = None while True: - if (changer_thread == None or - not changer_thread.is_alive()): - print("MAIN[%s] - (Re?)initializing chooser thread..." % ( - utils.timestamp())) - changer_thread = Thread(target = thread_change_current, args=()) + if changer_thread is None or not changer_thread.is_alive(): + print( + f"MAIN[{utils.timestamp()}] - (Re?)initializing chooser thread... (wtf?!)" + ) + changer_thread = Thread(target=thread_change_current, args=()) changer_thread.start() - if (renderer_thread == None or - not renderer_thread.is_alive()): - print("MAIN[%s] - (Re?)initializing render thread..." % ( - utils.timestamp())) - renderer_thread = Thread(target = thread_invoke_renderers, args=()) + if renderer_thread is None or not renderer_thread.is_alive(): + print( + f"MAIN[{utils.timestamp()}] - (Re?)initializing render thread... (wtf?!)" + ) + renderer_thread = Thread(target=thread_invoke_renderers, args=()) renderer_thread.start() time.sleep(60) - print("Should never get here.")