#!/usr/bin/env python3
+import collections
from datetime import datetime
-import difflib
+from difflib import SequenceMatcher
import gc
-import linecache
+import logging
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
+from typing import Dict, List, Optional
+from queue import Queue
import astral # type: ignore
from astral.sun import sun # type: ignore
+import numpy as np
+import pvporcupine
+import pytz
+
+import bootstrap
+import config
+import datetime_utils
import constants
-import renderer
-import renderer
+import file_writer
import renderer_catalog
import chooser
import listen
-import logging
-import pvporcupine
import trigger_catalog
import utils
+cfg = config.add_commandline_args(
+ f'Kiosk Server ({__file__})',
+ 'A python server that runs a kiosk.'
+)
+logger = logging.getLogger(__file__)
+
+
def thread_janitor() -> None:
tracemalloc.start()
tracemalloc_target = 0.0
gc_target = 0.0
gc.enable()
+ # Main janitor loop; dump the largest pigs and force regular gcs.
while True:
now = time.time()
if now > tracemalloc_target:
key_type = 'lineno'
limit = 10
top_stats = snapshot.statistics(key_type)
- print("janitor: Top %s lines" % limit)
+ logger.info(f'janitor: Top {limit} lines')
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)
+ logger.info(
+ f'janitor: #{index}: {filename}:{frame.lineno}: {stat.size / 1024:.1f} KiB'
+ )
other = top_stats[limit:]
if other:
size = sum(stat.size for stat in other)
- print("janitor: %s other: %.1f KiB" % (len(other), size / 1024))
+ logger.info(
+ f'janitor: {len(other)} others: {size/1024:.1f} KiB'
+ )
total = sum(stat.size for stat in top_stats)
- print("janitor: Total allocated size: %.1f KiB" % (total / 1024))
+ logger.info(
+ f'janitor: Total allocated size: {total / 1024:.1f} KiB'
+ )
if now > gc_target:
- print("janitor: Running gc operation")
- gc_target = now + 60.0
+ logger.info('janitor: kicking off a manual gc operation now.')
gc.collect()
- time.sleep(10.0)
+ gc_target = now + 120.0
+ time.sleep(30.0)
def guess_page(command: str, page_chooser: chooser.chooser) -> str:
- best_page = None
- best_score = None
- for page in page_chooser.get_page_list():
+
+ def normalize_page(page: str) -> str:
+ logger.debug(f'normalize_page input: {page}')
page = page.replace('(', ' ')
page = page.replace('_', ' ')
page = page.replace(')', ' ')
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('gmaps-seattle-unwrapped', '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()
+ logger.debug(f'normalize_page output: {page}')
+ return page
+
+ logger.info(f'No exact match for f{command}; trying to guess...')
+ best_page = None
+ best_score = None
+ for page in page_chooser.get_page_list():
+ npage = normalize_page(page)
+ score = SequenceMatcher(None, command, npage).ratio()
if best_score is None or score > best_score:
best_page = page
+ best_score = score
assert best_page is not None
+ logger.info(f'Best guess for f{command} => {best_page} (score = {best_score})')
return best_page
-def process_command(command: str, page_history: List[str]) -> str:
+def process_command(command: str, page_history: List[str], page_chooser) -> str:
+ command = command.lower()
+ logger.info(f'Parsing verbal command: {command}')
page = None
if 'hold' in command:
page = page_history[0]
elif 'skip' in command:
while True:
(page, _) = page_chooser.choose_next_page()
- if page != page_history[0]:
+ if page == page_history[0]:
+ logger.debug(f'chooser: {page} is the same as last time! Try again.')
+ else:
break
+ elif 'internal' in command:
+ if 'render' in command:
+ page = constants.render_stats_pagename
+ else:
+ page = constants.render_stats_pagename
elif 'weather' in command:
if 'telma' in command or 'cabin' in command:
page = 'weather-telma_3_10800.html'
elif 'twitter' in command:
page = 'twitter_10_3600.html'
elif 'traffic' in command:
- page = 'wsdot-bridges_3_none.html'
+ page = 'gmaps-seattle-unwrapped_5_none.html'
elif 'front' in command and 'door' in command:
page = 'hidden/frontdoor.html'
elif 'driveway' in command:
else:
page = guess_page(command, page_chooser)
assert page is not None
+ logger.info(f'Parsed to {page}')
return page
def thread_change_current(command_queue: Queue) -> None:
- page_history = [ "", "" ]
+ 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
+ now = datetime.now(tz=pytz.timezone("US/Pacific"))
+ is_dinnertime = now.hour >= 18 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
)
+
page_chooser = chooser.weighted_random_chooser_with_triggers(
trigger_catalog.get_triggers(), [filter_news_during_dinnertime]
)
+ current_file = os.path.join(constants.pages_dir, "current.shtml")
+ emergency_file = os.path.join(constants.pages_dir, "reload_immediately.html")
+ # Main chooser loop
while True:
now = time.time()
command = command_queue.get(block=False)
except Exception:
command = None
- pass
+
if command is not None:
+ logger.info(f'chooser: We got a verbal command ("{command}"), parsing it...')
triggered = True
- page = process_command(command, page_history)
-
- # Else pick a page randomly.
+ page = process_command(command, page_history, page_chooser)
else:
while True:
(page, triggered) = page_chooser.choose_next_page()
- if triggered or page != page_history[0]:
+ if triggered:
+ logger.info('chooser: A trigger is active...')
break
+ else:
+ if page == page_history[0]:
+ logger.debug(f'chooser: {page} is the same as last time! Try again.')
+ else:
+ 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)
- )
+ if page != page_history[0] or (swap_page_target - now) < 10.0:
+ logger.info(f'chooser: An emergency page reload to {page} is needed at this time.')
+ swap_page_target = now + constants.emergency_refresh_period_sec
+
+ # Set current.shtml to the right 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()))
+ with open(current_file, "w") as f:
+ emit(
+ f,
+ page,
+ override_refresh_sec = constants.emergency_refresh_period_sec,
+ command = command
+ )
+ logger.debug(f'chooser: Wrote {current_file}.')
+ except Exception as e:
+ logger.exception(e)
+ logger.error(f'chooser: Unexpected exception; assuming {page} doesn\'t exist?!')
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!")
+ with open(emergency_file, "w") as f:
+ f.write(f'Reload, suckers... you HAVE to see {page}!')
+ logger.debug(f'chooser: Wrote {emergency_file}...')
# Fix this hack... maybe read the webserver logs and see if it
# actually was picked up?
- time.sleep(0.75)
- os.remove(path)
+ time.sleep(0.999)
+ os.remove(emergency_file)
+ logger.debug(f'chooser: ...and removed {emergency_file}.')
elif now >= swap_page_target:
assert page != page_history[0]
- print("chooser[%s] - nominal choice of %s" % (utils.timestamp(), page))
+ logger.info(
+ f'chooser: Nominal choice of {page} as the next to show.'
+ )
+ swap_page_target = now + constants.refresh_period_sec
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()))
+ with open(current_file, "w") as f:
+ emit(f, page)
+ logger.debug(f'chooser: Wrote {current_file}.')
+ except Exception as e:
+ logger.exception(e)
+ logger.error(f'chooser: Unexpected exception; assuming {page} doesn\'t exist?!')
continue
- time.sleep(1)
+ page_history.insert(0, page)
+ page_history = page_history[0:10]
+ time.sleep(0.5)
+
+
+def emit(f,
+ filename: str,
+ *,
+ override_refresh_sec: int = None,
+ command: str = None):
+ if 'unwrapped' not in filename:
+ logger.debug(f'Emitting {filename} wrapped.')
+ emit_wrapped(f, filename, override_refresh_sec=override_refresh_sec, command=command)
+ else:
+ logger.debug(f'Emitting {filename} raw.')
+ emit_raw(f, filename)
+
+
+def emit_raw(f, filename: str):
+ f.write(f'<!--#include virtual="{filename}"-->')
def emit_wrapped(f,
*,
override_refresh_sec: int = None,
command: str = None) -> None:
+
def pick_background_color() -> str:
+ now = datetime_utils.now_pacific()
city = astral.LocationInfo(
"Bellevue", "USA", "US/Pacific", 47.610, -122.201
)
- s = sun(city.observer, date=self.dt, tzinfo=pytz.timezone("US/Pacific"))
+ 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 = datetime.now()
now_mod = utils.minute_number(now.hour, now.minute)
if now_mod < sunrise_mod or now_mod > (sunset_mod + 45):
return "E6B8B8"
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:
+ now = datetime.now(tz=pytz.timezone("US/Pacific"))
+ if now.hour < 6:
return float(constants.refresh_period_night_sec * 1000.0)
else:
return float(constants.refresh_period_sec * 1000.0)
pageid = f'"{command}" -> {filename}'
f.write(
- """
+"""
<HEAD>
<TITLE>Kitchen Kiosk</TITLE>
<LINK rel="stylesheet" type="text/css" href="style.css">
function zoomScreen() {
z = 285;
do {
- document.getElementById("content").style.zoom = z+"%%";
+ document.getElementById("content").style.zoom = z+"%";
var body = document.body;
var html = document.documentElement;
var height = Math.max(body.scrollHeight,
}
}
}
-
+"""
+ )
+ f.write(
+"""
// Operate the clock at the top of the page.
function runClock() {
var today = new Date();
document.getElementById("date").innerHTML = today.toDateString();
var t = setTimeout(function(){runClock()}, 1000);
}
-
+""" % bgcolor
+ )
+ f.write(
+"""
// Helper method for running the clock.
function maybeAddZero(x) {
return (x < 10) ? "0" + x : x;
addLoadEvent(zoomScreen);
addLoadEvent(runClock);
addLoadEvent(lateLoadImages);
-
+"""
+ )
+ f.write(
+"""
// Runs the countdown line at the bottom and is responsible for
// normal page reloads caused by the expiration of a timer.
(function countdown() {
}
} else {
// Reload unconditionally after 22 sec.
- window.location.reload();
+ window.location.reload(true);
}
// Brief sleep before doing it all over again.
});
}, 50)
})();
+""" % get_refresh_period()
+ )
+ f.write(
+"""
+ function check_reload() {
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET',
+ '%s/reload_immediately.html');
+ xhr.onload =
+ function() {
+ if (xhr.status === 200) {
+ window.location.reload(true);
+ }
+ };
+ xhr.send();
+ }
// 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>
+ setInterval(check_reload, 500);
+ </SCRIPT>
</HEAD>
-<BODY BGCOLOR="#%s">
- <TABLE style="height:100%%; width:100%%" BORDER=0>
+""" % constants.root_url)
+ f.write(f'<BODY BGCOLOR="#{bgcolor}">')
+ f.write(
+"""
+ <TABLE style="height:100%; width:100%" BORDER=0>
<TR HEIGHT=30>
<TD ALIGN="left">
<DIV id="date"> </DIV>
<TD COLSPAN=3>
<DIV ID="content" STYLE="zoom: 1; visibility: hidden;">
<!-- BEGIN main page contents. -->
-<!--#include virtual=\"%s\"-->
- <!-- END main page contents. -->
+"""
+ )
+ f.write(f'<!--#include virtual="{filename}"-->')
+ f.write(
+"""
+ <!-- END main page contents. -->
</DIV>
<BR>
- <DIV STYLE="position: absolute; top:1030px; width:99%%">
+ <DIV STYLE="position: absolute; top:1030px; width:99%">
<P ALIGN="right">
- <FONT SIZE=2 COLOR=#bbbbbb>%s @ %s ago.</FONT>
+"""
+ )
+ f.write(f'<FONT SIZE=2 COLOR=#bbbbbb>{pageid} @ {age} ago.</FONT>')
+ f.write(
+"""
</P>
<HR id="countdown" STYLE="width:0px;
text-align:left;
</TR>
</TABLE>
</BODY>"""
- % (
- bgcolor,
- get_refresh_period(),
- constants.hostname,
- bgcolor,
- filename,
- pageid,
- age,
- )
)
+def renderer_update_internal_stats_page(
+ last_render: Dict[str, datetime],
+ render_counts: collections.Counter,
+ render_times: Dict[str, np.array],
+) -> None:
+ logger.info(
+ 'renderer: Updating internal render statistics page.'
+ )
+ with file_writer.file_writer(constants.render_stats_pagename) as f:
+ f.write(
+'''
+<CENTER>
+<TABLE BORDER=0 WIDTH=95%>
+ <TR>
+ <TH><B>Renderer Name</B></TH>
+ <TH><B>Last Run</B></TH>
+ <TH><B>Num Invocations</B></TH>
+ <TH><B>Render Latency</B></TH>
+ </TR>
+''')
+ for n, r in enumerate(renderer_catalog.get_renderers()):
+ if n % 2 == 0:
+ style = 'style="margin: 0; padding: 0; background: #c6b0b0;"'
+ else:
+ style = 'style="margin: 0; padding: 0; background: #eeeeee;"'
+ name = r.get_name()
+ last = last_render.get(name, None)
+ if last is None:
+ last = 'never'
+ else:
+ last = last.strftime('%Y/%m/%d %I:%M:%S%P')
+ count = render_counts.get(name, 0)
+ latency = render_times.get(name, np.array([]))
+ p25 = p50 = p75 = p90 = p99 = 'N/A'
+ try:
+ p25 = np.percentile(latency, 25)
+ p50 = np.percentile(latency, 50)
+ p75 = np.percentile(latency, 75)
+ p90 = np.percentile(latency, 90)
+ p99 = np.percentile(latency, 99)
+ f.write(
+f'''
+ <TR>
+ <TD {style}>{name} </TD>
+ <TD {style}> {last} </TD>
+ <TD {style}><CENTER> {count} </CENTER></TD>
+ <TD {style}> p25={p25:5.2f}, p50={p50:5.2f}, p75={p75:5.2f}, p90={p90:5.2f}, p99={p99:5.2f}</TD>
+ </TR>
+'''
+ )
+ except IndexError:
+ pass
+ f.write('</TABLE>')
+
+
def thread_invoke_renderers() -> None:
+ render_times: Dict[str, np.array] = {}
+ render_counts: collections.Counter = collections.Counter()
+ last_render: Dict[str, datetime] = {}
+
+ # Touch the internal render page now to signal that we're alive.
+ renderer_update_internal_stats_page(last_render, render_counts, render_times)
+
+ # Main renderer loop
while True:
- print(f"renderer[{utils.timestamp()}]: invoking all renderers in catalog...")
+ logger.info(
+ 'renderer: invoking all overdue renderers in catalog...'
+ )
for r in renderer_catalog.get_renderers():
+ name = r.get_name()
now = time.time()
+ logger.info(f'renderer: Invoking {name}\'s render method.')
try:
r.render()
except Exception as e:
- traceback.print_exc()
- print(
- f"renderer[{utils.timestamp()}] unknown exception in {r.get_name()}, swallowing it."
+ logger.exception(e)
+ logger.error(
+ f'renderer: Unexpected and unhandled exception ({e}) in {name}, swallowing it.'
)
+ continue
+
+ # Increment the count of render operations per renderer.
+ render_counts[name] += 1
+
+ # Keep track of the last time we invoked each renderer.
+ last_render[name] = datetime_utils.now_pacific()
+
+ # Record how long each render operation takes and warn if very long.
delta = time.time() - now
+ times = render_times.get(name, np.array([]))
+ times = np.insert(times, 0, delta)
+ render_times[name] = times
if delta > 1.0:
- print(
- f"renderer[{utils.timestamp()}]: Warning: {r.get_name()}'s rendering took {delta:5.2f}s."
+ hdr = 'renderer: '
+ logger.warning(
+f'''
+{hdr} Warning: {name}'s rendering took {delta:5.2f}s.
+{hdr} FYI: {name}'s render times: p25={np.percentile(times, 25):5.2f}, p50={np.percentile(times, 50):5.2f}, p75={np.percentile(times, 75):5.2f}, p90={np.percentile(times, 90):5.2f}, p99={np.percentile(times, 99):5.2f}
+'''
)
- print(
- f"renderer[{utils.timestamp()}]: thread having a little break for {constants.render_period_sec}s..."
- )
+
+ # Update a page about internal stats of renderers.
+ renderer_update_internal_stats_page(last_render, render_counts, render_times)
+ logger.info('renderer: having a little nap...')
time.sleep(constants.render_period_sec)
-if __name__ == "__main__":
- logging.basicConfig()
+def main() -> None:
command_queue: Queue = Queue()
changer_thread: Optional[Thread] = None
renderer_thread: Optional[Thread] = None
hotword_thread: Optional[Thread] = None
while True:
if hotword_thread is None or not hotword_thread.is_alive():
+ if hotword_thread is None:
+ logger.info('watchdog: Starting up the hotword detector thread...')
+ else:
+ logger.warning(
+ 'watchdog: The hotword detector thread seems to have died; restarting it and hoping for the best.'
+ )
keyword_paths = [pvporcupine.KEYWORD_PATHS[x] for x in ["bumblebee"]]
sensitivities = [0.7] * len(keyword_paths)
listener = listen.HotwordListener(
)
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?!)"
- )
+ if changer_thread is None:
+ logger.info('watchdog: Starting up the current page changer thread...')
+ else:
+ logger.warning(
+ 'watchdog: The current page changer thread seems to have died; restarting it and hoping for the best.'
+ )
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?!)"
- )
+ if renderer_thread is None:
+ logger.info('watchdog: Starting up the page renderer thread...')
+ else:
+ logger.warning(
+ 'watchdog: The page renderer thread seems to have died; restarting it and hoping for the best.'
+ )
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?!)"
- )
+ if janitor_thread is None:
+ logger.info('watchdog: Starting up the memory janitor thread...')
+ else:
+ logger.warning(
+ 'watchdog: The memory janitor thread seems to have died; restarting it and hoping for the best.'
+ )
janitor_thread = Thread(target=thread_janitor, args=())
janitor_thread.start()
- time.sleep(60)
+
+ # Have a little break and then check to make sure all threads are still alive.
+ logger.debug('watchdog: having a little nap.')
+ time.sleep(constants.check_threads_period_sec)
+
+
+if __name__ == "__main__":
+ main()
projects / kiosk.git / blobdiff