-from oauth2client.client import AccessTokenRefreshError
-import constants
+#!/usr/bin/env python3
+
+"""Renders an upcoming events page and countdowns page based on the
+contents of several Google calendars."""
+
import datetime
+import functools
+import logging
+import time
+from typing import Any, Dict, List, Optional, Tuple
+
+from dateutil.parser import parse
+import gdata_oauth
+import pytz
+
+import kiosk_constants
import file_writer
-import gdata
import globals
-import os
import renderer
-import time
-class gcal_renderer(renderer.debuggable_abstaining_renderer):
+
+logger = logging.getLogger(__name__)
+
+
+class gcal_renderer(renderer.abstaining_renderer):
"""A renderer to fetch upcoming events from www.google.com/calendar"""
- calendar_whitelist = frozenset([
- 'Alex\'s calendar',
- 'Family',
- 'Holidays in United States',
- 'Lynn Gasch',
- 'Lynn\'s Work',
- 'Scott Gasch External - Misc',
- 'Birthdays', # <-- from g+ contacts
- ])
+ calendar_whitelist = frozenset(
+ [
+ "Alex's calendar",
+ "Family",
+ "Holidays in United States",
+ "Lynn Gasch",
+ "Lynn's Work",
+ "Scott Gasch External - Misc",
+ "Birthdays", # <-- from g+ contacts
+ ]
+ )
+ @functools.total_ordering
class comparable_event(object):
"""A helper class to sort events."""
- def __init__(self, start_time, end_time, summary, calendar):
+
+ def __init__(
+ self,
+ start_time: Optional[datetime.datetime],
+ end_time: Optional[datetime.datetime],
+ summary: str,
+ calendar: str,
+ ) -> None:
if start_time is None:
- assert(end_time is None)
+ assert end_time is None
+ else:
+ assert isinstance(start_time, datetime.datetime)
+ if end_time is not None:
+ assert isinstance(end_time, datetime.datetime)
self.start_time = start_time
self.end_time = end_time
self.summary = summary
self.calendar = calendar
- def __lt__(self, that):
+ def __lt__(self, that) -> bool:
if self.start_time is None and that.start_time is None:
return self.summary < that.summary
if self.start_time is None or that.start_time is None:
return self.start_time is None
- return (self.start_time,
- self.end_time,
- self.summary,
- self.calendar) < (that.start_time,
- that.end_time,
- that.summary,
- that.calendar)
+ return (self.start_time, self.end_time, self.summary, self.calendar) < (
+ that.start_time,
+ that.end_time,
+ that.summary,
+ that.calendar,
+ )
+
+ def __eq__(self, that) -> bool:
+ return (
+ self.start_time == that.start_time
+ and self.end_time == that.end_time
+ and self.summary == that.summary
+ and self.calendar == that.calendar
+ )
- def __str__(self):
- return '[%s] %s' % (self.timestamp(), self.friendly_name())
+ def __repr__(self) -> str:
+ return "[%s] %s" % (self.timestamp(), self.friendly_name())
- def friendly_name(self):
+ def friendly_name(self) -> str:
name = self.summary
name = name.replace("countdown:", "")
return "<B>%s</B>" % name
- def timestamp(self):
+ def timestamp(self) -> str:
+ now = datetime.datetime.now(pytz.timezone("US/Pacific"))
if self.start_time is None:
return "None"
- elif (self.start_time.hour == 0):
- return datetime.datetime.strftime(self.start_time,
- '%a %b %d %Y')
+ elif (
+ self.start_time.hour == 0
+ and self.start_time.minute == 0
+ and self.start_time.second == 0
+ ):
+ if self.start_time.year == now.year:
+ return datetime.datetime.strftime(self.start_time, "%a %b %d")
+ else:
+ return datetime.datetime.strftime(self.start_time, "%a %b %d, %Y")
else:
- return datetime.datetime.strftime(self.start_time,
- '%a %b %d %Y %H:%M%p')
+ dt = self.start_time
+ zone = dt.tzinfo
+ local_dt = dt.replace(tzinfo=zone).astimezone(
+ tz=pytz.timezone("US/Pacific")
+ )
+ if local_dt.year == now.year:
+ return datetime.datetime.strftime(local_dt, "%a %b %d %I:%M%p")
+ else:
+ return datetime.datetime.strftime(local_dt, "%a %b %d, %Y %I:%M%p")
- def __init__(self, name_to_timeout_dict, oauth):
- super(gcal_renderer, self).__init__(name_to_timeout_dict, True)
+ def __init__(
+ self, name_to_timeout_dict: Dict[str, int], oauth: gdata_oauth.OAuth
+ ) -> None:
+ super().__init__(name_to_timeout_dict)
self.oauth = oauth
self.client = self.oauth.calendar_service()
- self.sortable_events = []
- self.countdown_events = []
+ self.sortable_events: List[gcal_renderer.comparable_event] = []
+ self.countdown_events: List[gcal_renderer.comparable_event] = []
- def debug_prefix(self):
+ def debug_prefix(self) -> str:
return "gcal"
- def periodic_render(self, key):
- self.debug_print('called for "%s"' % key)
- if (key == "Render Upcoming Events"):
+ def periodic_render(self, key: str) -> bool:
+ logger.debug(f'called for "{key}"')
+ if key == "Render Upcoming Events":
return self.render_upcoming_events()
- elif (key == "Look For Triggered Events"):
+ elif key == "Look For Triggered Events":
return self.look_for_triggered_events()
else:
- raise error('Unexpected operation')
+ raise Exception("Unexpected operation")
- def render_upcoming_events(self):
- page_token = None
- def format_datetime(x):
- return datetime.datetime.strftime(x, '%Y-%m-%dT%H:%M:%SZ')
- time_min = datetime.datetime.now()
- time_max = time_min + datetime.timedelta(95)
- time_min, time_max = list(map(format_datetime, (time_min, time_max)))
- self.debug_print("time_min is %s" % time_min)
- self.debug_print("time_max is %s" % time_max)
-
- # Writes 2 files:
- # + "upcoming events",
- # + a countdown timer for a subser of events,
- f = file_writer.file_writer('gcal_3_none.html')
- f.write('<h1>Upcoming Calendar Events:</h1><hr>\n')
- f.write('<center><table width=96%>\n')
+ def get_min_max_timewindow(self) -> Tuple[str, str]:
+ now = datetime.datetime.now(pytz.timezone("US/Pacific"))
+ _time_min = now - datetime.timedelta(hours=6)
+ _time_max = now + datetime.timedelta(days=95)
+ time_min = datetime.datetime.strftime(_time_min, "%Y-%m-%dT%H:%M:%SZ")
+ time_max = datetime.datetime.strftime(_time_max, "%Y-%m-%dT%H:%M:%SZ")
+ logger.debug(f"time_min is {time_min}")
+ logger.debug(f"time_max is {time_max}")
+ return (time_min, time_max)
- g = file_writer.file_writer('countdown_3_7200.html')
- g.write('<h1>Countdowns:</h1><hr><ul>\n')
+ @staticmethod
+ def parse_date(date: Any) -> Optional[datetime.datetime]:
+ if isinstance(date, datetime.datetime):
+ return date
+ elif isinstance(date, dict):
+ if "dateTime" in date:
+ d = date["dateTime"]
+ dt = parse(d)
+ if dt.tzinfo is None:
+ dt = dt.replace(tzinfo=None).astimezone(
+ tz=pytz.timezone("US/Pacific")
+ )
+ return dt
+ elif "date" in date:
+ d = date["date"]
+ dt = datetime.datetime.strptime(d, "%Y-%m-%d")
+ dt = dt.replace(tzinfo=None).astimezone(tz=pytz.timezone("US/Pacific"))
+ return dt
+ print(f"Not sure what to do with this {date} ({type(date)}), help?!")
+ return None
- try:
- self.sortable_events = []
- self.countdown_events = []
- while True:
- calendar_list = self.client.calendarList().list(
- pageToken=page_token).execute()
- for calendar in calendar_list['items']:
- if (calendar['summary'] in gcal_renderer.calendar_whitelist):
- events = self.client.events().list(
- calendarId=calendar['id'],
+ def get_events_from_interesting_calendars(
+ self, time_min: str, time_max: str
+ ) -> Tuple[List[comparable_event], List[comparable_event]]:
+ page_token = None
+ sortable_events = []
+ countdown_events = []
+ while True:
+ calendar_list = (
+ self.client.calendarList().list(pageToken=page_token).execute()
+ )
+ for calendar in calendar_list["items"]:
+ if calendar["summary"] in gcal_renderer.calendar_whitelist:
+ logger.debug(f"{calendar['summary']} is an interesting calendar...")
+ events = (
+ self.client.events()
+ .list(
+ calendarId=calendar["id"],
singleEvents=True,
timeMin=time_min,
timeMax=time_max,
- maxResults=50).execute()
-
- def parse_date(x):
- y = x.get('date')
- if y:
- y = datetime.datetime.strptime(y, '%Y-%m-%d')
- else:
- y = x.get('dateTime')
- if y:
- y = datetime.datetime.strptime(y[:-6],
- '%Y-%m-%dT%H:%M:%S')
- else:
- y = None
- return y
-
- for event in events['items']:
- try:
- summary = event['summary']
- self.debug_print("event '%s' (%s to %s)" % (
- summary, event['start'], event['end']))
- start = parse_date(event['start'])
- end = parse_date(event['end'])
- self.sortable_events.append(
- gcal_renderer.comparable_event(start,
- end,
- summary,
- calendar['summary']))
- if ('countdown' in summary or
- 'Holidays' in calendar['summary'] or
- 'Countdown' in summary):
- self.debug_print("event is countdown worthy")
- self.countdown_events.append(
- gcal_renderer.comparable_event(start,
- end,
- summary,
- calendar['summary']))
- except Exception as e:
- print("gcal unknown exception, skipping event.");
- else:
- self.debug_print("Skipping calendar '%s'" % calendar['summary'])
- page_token = calendar_list.get('nextPageToken')
- if not page_token: break
+ maxResults=50,
+ )
+ .execute()
+ )
+ for event in events["items"]:
+ summary = event["summary"]
+ start = gcal_renderer.parse_date(event["start"])
+ end = gcal_renderer.parse_date(event["end"])
+ logger.debug(
+ f" ... event '{summary}' ({event['start']} ({start}) to {event['end']} ({end})"
+ )
+ if start is not None and end is not None:
+ logger.debug(f" ... adding {summary} to sortable_events")
+ sortable_events.append(
+ gcal_renderer.comparable_event(
+ start, end, summary, calendar["summary"]
+ )
+ )
+ if (
+ "countdown" in summary
+ or "Holidays" in calendar["summary"]
+ or "Countdown" in summary
+ ):
+ logger.debug(
+ f" ... adding {summary} to countdown_events"
+ )
+ countdown_events.append(
+ gcal_renderer.comparable_event(
+ start, end, summary, calendar["summary"]
+ )
+ )
+ page_token = calendar_list.get("nextPageToken")
+ if not page_token:
+ break
+ return (sortable_events, countdown_events)
+ def render_upcoming_events(self) -> bool:
+ (time_min, time_max) = self.get_min_max_timewindow()
+ try:
+ # Populate the "Upcoming Events" page.
+ logger.debug("Rendering the Upcoming Events page...")
+ (
+ self.sortable_events,
+ self.countdown_events,
+ ) = self.get_events_from_interesting_calendars(time_min, time_max)
self.sortable_events.sort()
- upcoming_sortable_events = self.sortable_events[:12]
- for event in upcoming_sortable_events:
- self.debug_print("sorted event: %s" % event.friendly_name())
- f.write("""
-<tr>
- <td style="padding-right: 1em;">
- %s
- </td>
- <td style="padding-left: 1em;">
- %s
- </td>
-</tr>\n""" % (event.timestamp(), event.friendly_name()))
- f.write('</table></center>\n')
- f.close()
+ with file_writer.file_writer("gcal_3_86400.html") as f:
+ f.write(
+ """
+<h1>Upcoming Calendar Events:</h1>
+<hr>
+<center>
+<table width=96% style="border-collapse: collapse;">
+"""
+ )
+ upcoming_sortable_events = self.sortable_events[:12]
+ for n, event in enumerate(upcoming_sortable_events):
+ logger.debug(f"{n}/12: {event.friendly_name()} / {event.calendar}")
+ if n % 2 == 0:
+ color = "#c6b0b0"
+ else:
+ color = "#eeeeee"
+ f.write(
+ f"""
+ <tr>
+ <td style="margin: 0; padding: 0; background: {color};">
+ {event.timestamp()}
+ </td>
+ <td style="margin: 0; padding: 0; background: {color};">
+ {event.friendly_name()}
+ </td>
+ </tr>
+"""
+ )
+ f.write("</table></center>\n")
+ # Populate the "Countdown" page.
+ logger.debug("Rendering the Countdowns page")
self.countdown_events.sort()
- upcoming_countdown_events = self.countdown_events[:12]
- now = datetime.datetime.now()
- count = 0
- timestamps = { }
- for event in upcoming_countdown_events:
- eventstamp = event.start_time
- delta = eventstamp - now
- name = event.friendly_name()
- x = int(delta.total_seconds())
- if x > 0:
- identifier = "id%d" % count
- days = divmod(x, constants.seconds_per_day)
- hours = divmod(days[1], constants.seconds_per_hour)
- minutes = divmod(hours[1], constants.seconds_per_minute)
- g.write('<li><SPAN id="%s">%d days, %02d:%02d</SPAN> until %s</li>\n' % (identifier, days[0], hours[0], minutes[0], name))
- timestamps[identifier] = time.mktime(eventstamp.timetuple())
- count += 1
- self.debug_print("countdown to %s is %dd %dh %dm" % (
- name, days[0], hours[0], minutes[0]))
- g.write('</ul>')
- g.write('<SCRIPT>\nlet timestampMap = new Map([')
- for x in list(timestamps.keys()):
- g.write(' ["%s", %f],\n' % (x, timestamps[x] * 1000.0))
- g.write(']);\n\n')
- g.write("""
+ with file_writer.file_writer("countdown_3_7200.html") as g:
+ g.write("<h1>Countdowns:</h1><hr><ul>\n")
+ now = datetime.datetime.now(pytz.timezone("US/Pacific"))
+ upcoming_countdown_events = self.countdown_events[:12]
+ count = 0
+ timestamps = {}
+ for event in upcoming_countdown_events:
+ eventstamp = event.start_time
+ if eventstamp is None:
+ return False
+ name = event.friendly_name()
+ delta = eventstamp - now
+ x = int(delta.total_seconds())
+ if x > 0:
+ identifier = "id%d" % count
+ days = divmod(x, kiosk_constants.seconds_per_day)
+ hours = divmod(days[1], kiosk_constants.seconds_per_hour)
+ minutes = divmod(hours[1], kiosk_constants.seconds_per_minute)
+ g.write(
+ '<li><SPAN id="%s">%d days, %02d:%02d</SPAN> until %s</li>\n'
+ % (
+ identifier,
+ int(days[0]),
+ int(hours[0]),
+ int(minutes[0]),
+ name,
+ )
+ )
+ timestamps[identifier] = time.mktime(eventstamp.timetuple())
+ count += 1
+ logger.debug(
+ "countdown to %s is %dd %dh %dm"
+ % (name, days[0], hours[0], minutes[0])
+ )
+ g.write("</ul>")
+ g.write("<SCRIPT>\nlet timestampMap = new Map([")
+ for _ in list(timestamps.keys()):
+ g.write(f' ["{_}", {timestamps[_] * 1000.0}],\n')
+ g.write("]);\n\n")
+ g.write(
+ """
// Pad things with a leading zero if necessary.
function pad(n) {
return (n < 10) ? ("0" + n) : n;
}
}
}, 1000);
-</script>""");
- g.close()
+</script>"""
+ )
return True
- except (gdata.service.RequestError, AccessTokenRefreshError):
- print("********* TRYING TO REFRESH GCAL CLIENT *********")
- self.oauth.refresh_token()
- self.client = self.oauth.calendar_service()
+ except Exception as e:
+ logger.exception(e)
return False
- except:
- raise
- def look_for_triggered_events(self):
- f = file_writer.file_writer(constants.gcal_imminent_pagename)
- f.write('<h1>Imminent Upcoming Calendar Events:</h1>\n<hr>\n')
- f.write('<center><table width=99%>\n')
- now = datetime.datetime.now()
- count = 0
- for event in self.sortable_events:
- eventstamp = event.start_time
- delta = eventstamp - now
- x = int(delta.total_seconds())
- if x > 0 and x <= constants.seconds_per_minute * 3:
- days = divmod(x, constants.seconds_per_day)
- hours = divmod(days[1], constants.seconds_per_hour)
- minutes = divmod(hours[1], constants.seconds_per_minute)
+ def look_for_triggered_events(self) -> bool:
+ logger.debug("Looking for Imminent Upcoming Calendar events...")
+ with file_writer.file_writer(kiosk_constants.gcal_imminent_pagename) as f:
+ f.write("<h1>Imminent Upcoming Calendar Events:</h1>\n<hr>\n")
+ f.write("<center><table width=99%>\n")
+ now = datetime.datetime.now(pytz.timezone("US/Pacific"))
+ count = 0
+ for event in self.sortable_events:
eventstamp = event.start_time
- name = event.friendly_name()
- calendar = event.calendar
- f.write("<LI> %s (%s) upcoming in %d minutes.\n" % (name, calendar, minutes[0]))
- count += 1
- f.write("</table>")
- f.close()
+ if eventstamp is None:
+ continue
+ delta = eventstamp - now
+ x = int(delta.total_seconds())
+ if x > 0 and x < 4 * kiosk_constants.seconds_per_minute:
+ days = divmod(x, kiosk_constants.seconds_per_day)
+ hours = divmod(days[1], kiosk_constants.seconds_per_hour)
+ minutes = divmod(hours[1], kiosk_constants.seconds_per_minute)
+ eventstamp = event.start_time
+ name = event.friendly_name()
+ calendar = event.calendar
+ logger.debug(f"Event {event} ({name}) triggered the page.")
+ f.write(
+ f"<LI> {name} ({calendar}) upcoming in {int(minutes[0])} minutes.\n"
+ )
+ count += 1
+ f.write("</table>")
if count > 0:
globals.put("gcal_triggered", True)
else:
globals.put("gcal_triggered", False)
return True
+
+
+# Test
+# import kiosk_secrets as secrets
+#
+# oauth = gdata_oauth.OAuth(secrets.google_client_secret)
+# x = gcal_renderer(
+# {"Render Upcoming Events": 10000, "Look For Triggered Events": 1}, oauth
+# )
+# x.periodic_render("Render Upcoming Events")