--- /dev/null
+#!/usr/bin/env python3
+
+from datetime import datetime
+import difflib
+import gc
+import linecache
+import os
+import re
+import sys
+from threading import Thread
+import time
+import traceback
+import tracemalloc
+from typing import Optional, List
+from queue import Queue, Empty
+
+import astral # type: ignore
+from astral.sun import sun # type: ignore
+import pytz
+
+import constants
+import renderer
+import renderer
+import renderer_catalog
+import chooser
+import listen
+import logging
+import pvporcupine
+import trigger_catalog
+import utils
+
+
+def thread_janitor() -> None:
+ tracemalloc.start()
+ tracemalloc_target = 0.0
+ gc_target = 0.0
+ gc.enable()
+
+ while True:
+ now = time.time()
+ if now > tracemalloc_target:
+ tracemalloc_target = now + 30.0
+ snapshot = tracemalloc.take_snapshot()
+ snapshot = snapshot.filter_traces((
+ tracemalloc.Filter(False, "<frozen importlib._bootstrap>"),
+ tracemalloc.Filter(False, "<unknown>"),
+ ))
+ key_type = 'lineno'
+ limit = 10
+ top_stats = snapshot.statistics(key_type)
+ print("janitor: Top %s lines" % limit)
+ for index, stat in enumerate(top_stats[:limit], 1):
+ frame = stat.traceback[0]
+ # replace "/path/to/module/file.py" with "module/file.py"
+ filename = os.sep.join(frame.filename.split(os.sep)[-2:])
+ print("janitor: #%s: %s:%s: %.1f KiB"
+ % (index, filename, frame.lineno, stat.size / 1024))
+ line = linecache.getline(frame.filename, frame.lineno).strip()
+ if line:
+ print('janitor: %s' % line)
+
+ other = top_stats[limit:]
+ if other:
+ size = sum(stat.size for stat in other)
+ print("janitor: %s other: %.1f KiB" % (len(other), size / 1024))
+ total = sum(stat.size for stat in top_stats)
+ print("janitor: Total allocated size: %.1f KiB" % (total / 1024))
+ if now > gc_target:
+ print("janitor: Running gc operation")
+ gc_target = now + 60.0
+ gc.collect()
+ time.sleep(10.0)
+
+
+def guess_page(command: str, page_chooser: chooser.chooser) -> str:
+ best_page = None
+ best_score = None
+ for page in page_chooser.get_page_list():
+ page = page.replace('(', ' ')
+ page = page.replace('_', ' ')
+ page = page.replace(')', ' ')
+ page = page.replace('.html', '')
+ page = page.replace('CNNNews', 'news')
+ page = page.replace('CNNTechnology', 'technology')
+ page = page.replace('gocostco', 'costco list')
+ page = page.replace('gohardware', 'hardware list')
+ page = page.replace('gohouse', 'house list honey do')
+ page = page.replace('gcal', 'google calendar events')
+ page = page.replace('mynorthwest', 'northwest news')
+ page = page.replace('myq', 'myq garage door status')
+ page = page.replace('gomenu', 'dinner menu')
+ page = page.replace('wsdot', 'traffic')
+ page = page.replace('gomenu', 'dinner menu')
+ page = page.replace('WSJNews', 'news')
+ page = page.replace('telma', 'telma cabin')
+ page = page.replace('WSJBusiness', 'business news')
+ page = re.sub(r'[0-9]+', '', page)
+ score = SequenceMatcher(None, command, page).ratio()
+ if best_score is None or score > best_score:
+ best_page = page
+ assert best_page is not None
+ return best_page
+
+
+def process_command(command: str, page_history: List[str]) -> str:
+ page = None
+ if 'hold' in command:
+ page = page_history[0]
+ elif 'back' in command:
+ page = page_history[1]
+ elif 'skip' in command:
+ while True:
+ (page, _) = page_chooser.choose_next_page()
+ if page != page_history[0]:
+ break
+ elif 'weather' in command:
+ if 'telma' in command or 'cabin' in command:
+ page = 'weather-telma_3_10800.html'
+ elif 'stevens' in command:
+ page = 'weather-stevens_3_10800.html'
+ else:
+ page = 'weather-home_3_10800.html'
+ elif 'cabin' in command:
+ if 'list' in command:
+ page = 'Cabin-(gocabin)_2_3600.html'
+ else:
+ page = 'hidden/cabin_driveway.html'
+ elif 'news' in command or 'headlines' in command:
+ page = 'cnn-CNNNews_4_25900.html'
+ elif 'clock' in command or 'time' in command:
+ page = 'clock_10_none.html'
+ elif 'countdown' in command or 'countdowns' in command:
+ page = 'countdown_3_7200.html'
+ elif 'costco' in command:
+ page = 'Costco-(gocostco)_2_3600.html'
+ elif 'calendar' in command or 'events' in command:
+ page = 'gcal_3_86400.html'
+ elif 'countdown' in command or 'countdowns' in command:
+ page = 'countdown_3_7200.html'
+ elif 'grocery' in command or 'groceries' in command:
+ page = 'Grocery-(gogrocery)_2_3600.html'
+ elif 'hardware' in command:
+ page = 'Hardware-(gohardware)_2_3600.html'
+ elif 'garage' in command:
+ page = 'myq_4_300.html'
+ elif 'menu' in command:
+ page = 'Menu-(gomenu)_2_3600.html'
+ elif 'cron' in command or 'health' in command:
+ page = 'periodic-health_6_300.html'
+ elif 'photo' in command or 'picture' in command:
+ page = 'photo_23_3600.html'
+ elif 'quote' in command or 'quotation' in command or 'quotes' in command:
+ page = 'quotes_4_10800.html'
+ elif 'stevens' in command:
+ page = 'stevens-conditions_1_86400.html'
+ elif 'stock' in command or 'stocks' in command:
+ page = 'stock_3_86400.html'
+ elif 'twitter' in command:
+ page = 'twitter_10_3600.html'
+ elif 'traffic' in command:
+ page = 'wsdot-bridges_3_none.html'
+ elif 'front' in command and 'door' in command:
+ page = 'hidden/frontdoor.html'
+ elif 'driveway' in command:
+ page = 'hidden/driveway.html'
+ elif 'backyard' in command:
+ page = 'hidden/backyard.html'
+ else:
+ page = guess_page(command, page_chooser)
+ assert page is not None
+ return page
+
+
+def thread_change_current(command_queue: Queue) -> None:
+ page_history = [ "", "" ]
+ swap_page_target = 0.0
+
+ def filter_news_during_dinnertime(page: str) -> bool:
+ now = datetime.now()
+ is_dinnertime = now.hour >= 17 and now.hour <= 20
+ print(f"is dinnertime = {is_dinnertime}")
+ print(f'page = {page}')
+ 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
+ )
+ page_chooser = chooser.weighted_random_chooser_with_triggers(
+ trigger_catalog.get_triggers(), [filter_news_during_dinnertime]
+ )
+
+ while True:
+ now = time.time()
+
+ # Check for a verbal command.
+ command = None
+ try:
+ command = command_queue.get(block=False)
+ except Exception:
+ command = None
+ pass
+ if command is not None:
+ triggered = True
+ page = process_command(command, page_history)
+
+ # Else pick a page randomly.
+ else:
+ while True:
+ (page, triggered) = page_chooser.choose_next_page()
+ if triggered or page != page_history[0]:
+ break
+
+ if triggered:
+ print("chooser[%s] - WE ARE TRIGGERED." % utils.timestamp())
+ if page != page_history[0] or (swap_page_target - now < 10.0):
+ print(
+ "chooser[%s] - EMERGENCY PAGE %s LOAD NEEDED"
+ % (utils.timestamp(), page)
+ )
+ try:
+ with open(os.path.join(constants.pages_dir, "current.shtml"), "w") as f:
+ emit_wrapped(f, page, override_refresh_sec = 40, command = command)
+ page_history.insert(0, page)
+ page_history = page_history[0:10]
+ swap_page_target = now + 40
+ except:
+ print("chooser[%s] - page does not exist?!" % (utils.timestamp()))
+ continue
+
+ # Also notify XMLHTTP clients that they need to refresh now.
+ path = os.path.join(constants.pages_dir, "reload_immediately.html")
+ with open(path, "w") as f:
+ f.write("Reload, suckers!")
+
+ # Fix this hack... maybe read the webserver logs and see if it
+ # actually was picked up?
+ time.sleep(0.75)
+ os.remove(path)
+
+ elif now >= swap_page_target:
+ assert page != page_history[0]
+ print("chooser[%s] - nominal choice of %s" % (utils.timestamp(), page))
+ try:
+ with open(os.path.join(constants.pages_dir, "current.shtml"), "w") as f:
+ emit_wrapped(f, page)
+ page_history.insert(0, page)
+ page_history = page_history[0:10]
+ swap_page_target = now + constants.refresh_period_sec
+ except:
+ print("chooser[%s] - page does not exist?!" % (utils.timestamp()))
+ continue
+ time.sleep(1)
+
+
+def emit_wrapped(f,
+ filename: str,
+ *,
+ override_refresh_sec: int = None,
+ command: str = None) -> None:
+ def pick_background_color() -> str:
+ now = datetime.now(tz=pytz.timezone("US/Pacific"))
+ city = astral.LocationInfo(
+ "Bellevue", "USA", "US/Pacific", 47.610, -122.201
+ )
+ s = sun(city.observer, date=now, tzinfo=pytz.timezone("US/Pacific"))
+ sunrise_mod = utils.minute_number(s["sunrise"].hour, s["sunrise"].minute)
+ sunset_mod = utils.minute_number(s["sunset"].hour, s["sunset"].minute)
+ now_mod = utils.minute_number(now.hour, now.minute)
+ if now_mod < sunrise_mod or now_mod > (sunset_mod + 45):
+ return "E6B8B8"
+ elif now_mod < (sunrise_mod + 45) or now_mod > (sunset_mod + 120):
+ return "EECDCD"
+ else:
+ return "FFFFFF"
+
+ def get_refresh_period() -> float:
+ if override_refresh_sec is not None:
+ return float(override_refresh_sec * 1000.0)
+ now = datetime.now()
+ if now.hour < 7:
+ return float(constants.refresh_period_night_sec * 1000.0)
+ else:
+ return float(constants.refresh_period_sec * 1000.0)
+
+ age = utils.describe_age_of_file_briefly(f"pages/{filename}")
+ bgcolor = pick_background_color()
+ if command is None:
+ pageid = filename
+ else:
+ pageid = f'"{command}" -> {filename}'
+
+ f.write(
+ """
+<HEAD>
+ <TITLE>Kitchen Kiosk</TITLE>
+ <LINK rel="stylesheet" type="text/css" href="style.css">
+ <SCRIPT TYPE="text/javascript">
+
+ // Zoom the 'contents' div to fit without scrollbars and then make
+ // it visible.
+ function zoomScreen() {
+ z = 285;
+ do {
+ document.getElementById("content").style.zoom = z+"%%";
+ var body = document.body;
+ var html = document.documentElement;
+ var height = Math.max(body.scrollHeight,
+ body.offsetHeight,
+ html.clientHeight,
+ html.scrollHeight,
+ html.offsetHeight);
+ var windowHeight = window.innerHeight;
+ var width = Math.max(body.scrollWidth,
+ body.offsetWidth,
+ html.clientWidth,
+ html.scrollWidth,
+ html.offsetWidth);
+ var windowWidth = window.innerWidth;
+ var heightRatio = height / windowHeight;
+ var widthRatio = width / windowWidth;
+
+ if (heightRatio <= 1.0 && widthRatio <= 1.0) {
+ break;
+ }
+ z -= 4;
+ } while(z >= 70);
+ document.getElementById("content").style.visibility = "visible";
+ }
+
+ // Load IMG tags with DATA-SRC attributes late.
+ function lateLoadImages() {
+ var image = document.getElementsByTagName('img');
+ for (var i = 0; i < image.length; i++) {
+ if (image[i].getAttribute('DATA-SRC')) {
+ image[i].setAttribute('SRC', image[i].getAttribute('DATA-SRC'));
+ }
+ }
+ }
+
+ // Operate the clock at the top of the page.
+ function runClock() {
+ var today = new Date();
+ var h = today.getHours();
+ var ampm = h >= 12 ? 'pm' : 'am';
+ h = h %% 12;
+ h = h ? h : 12; // the hour '0' should be '12'
+ var m = maybeAddZero(today.getMinutes());
+ var colon = ":";
+ if (today.getSeconds() %% 2 == 0) {
+ colon = "<FONT STYLE='color: #%s; font-size: 4vmin; font-weight: bold'>:</FONT>";
+ }
+ document.getElementById("time").innerHTML = h + colon + m + ampm;
+ document.getElementById("date").innerHTML = today.toDateString();
+ var t = setTimeout(function(){runClock()}, 1000);
+ }
+
+ // Helper method for running the clock.
+ function maybeAddZero(x) {
+ return (x < 10) ? "0" + x : x;
+ }
+
+ // Do something on page load.
+ function addLoadEvent(func) {
+ var oldonload = window.onload;
+ if (typeof window.onload != 'function') {
+ window.onload = func;
+ } else {
+ window.onload = function() {
+ if (oldonload) {
+ oldonload();
+ }
+ func();
+ }
+ }
+ }
+
+ // Sleep thread helper.
+ const sleep = (milliseconds) => {
+ return new Promise(resolve => setTimeout(resolve, milliseconds))
+ }
+
+ var loadedDate = new Date();
+
+ addLoadEvent(zoomScreen);
+ addLoadEvent(runClock);
+ addLoadEvent(lateLoadImages);
+
+ // 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);
+
+ 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();
+ }
+
+ // 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://%s/kiosk/pages/reload_immediately.html');
+ xhr.onload =
+ function() {
+ if (xhr.status === 200) {
+ window.location.reload();
+ } else {
+ sleep(500).then(() => {
+ poll();
+ });
+ }
+ };
+ xhr.send();
+ }, 500);
+ })();
+</SCRIPT>
+</HEAD>
+<BODY BGCOLOR="#%s">
+ <TABLE style="height:100%%; width:100%%" BORDER=0>
+ <TR HEIGHT=30>
+ <TD ALIGN="left">
+ <DIV id="date"> </DIV>
+ </TD>
+ <TD ALIGN="center"><FONT COLOR=#bbbbbb>
+ <DIV id="info"></DIV></FONT>
+ </TD>
+ <TD ALIGN="right">
+ <DIV id="time"> </DIV>
+ </TD>
+ </TR>
+ <TR STYLE="vertical-align:top">
+ <TD COLSPAN=3>
+ <DIV ID="content" STYLE="zoom: 1; visibility: hidden;">
+ <!-- BEGIN main page contents. -->
+<!--#include virtual=\"%s\"-->
+ <!-- END main page contents. -->
+ </DIV>
+ <BR>
+ <DIV STYLE="position: absolute; top:1030px; width:99%%">
+ <P ALIGN="right">
+ <FONT SIZE=2 COLOR=#bbbbbb>%s @ %s ago.</FONT>
+ </P>
+ <HR id="countdown" STYLE="width:0px;
+ text-align:left;
+ margin:0;
+ border:none;
+ border-width:0;
+ height:5px;
+ visibility:hidden;
+ background-color:#ffffff;">
+ </DIV>
+ </TD>
+ </TR>
+ </TABLE>
+</BODY>"""
+ % (
+ bgcolor,
+ get_refresh_period(),
+ constants.hostname,
+ bgcolor,
+ filename,
+ pageid,
+ age,
+ )
+ )
+
+
+def thread_invoke_renderers() -> None:
+ while True:
+ 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(file=sys.stdout)
+ print(
+ f"renderer[{utils.timestamp()}] unknown exception ({e}) in {r.get_name()}, swallowing it."
+ )
+ delta = time.time() - now
+ 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()
+ command_queue: Queue = Queue()
+ changer_thread: Optional[Thread] = None
+ renderer_thread: Optional[Thread] = None
+ janitor_thread: Optional[Thread] = None
+ hotword_thread: Optional[Thread] = None
+ while True:
+ if hotword_thread is None or not hotword_thread.is_alive():
+ keyword_paths = [pvporcupine.KEYWORD_PATHS[x] for x in ["bumblebee"]]
+ sensitivities = [0.7] * len(keyword_paths)
+ listener = listen.HotwordListener(
+ command_queue,
+ keyword_paths,
+ sensitivities,
+ )
+ hotword_thread = Thread(target=listener.listen_forever, args=())
+ hotword_thread.start()
+ 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=(command_queue,))
+ changer_thread.start()
+ 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()
+ if janitor_thread is None or not janitor_thread.is_alive():
+ print(
+ f"MAIN[{utils.timestamp()}] - (Re?)initializing janitor thread... (wtf?!)"
+ )
+ janitor_thread = Thread(target=thread_janitor, args=())
+ janitor_thread.start()
+ time.sleep(60)