core/homeassistant/components/jewish_calendar/sensor.py

193 lines
7.7 KiB
Python

"""Platform to retrieve Jewish calendar information for Home Assistant."""
import logging
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (
CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME, SUN_EVENT_SUNSET)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.sun import get_astral_event_date
import homeassistant.util.dt as dt_util
_LOGGER = logging.getLogger(__name__)
SENSOR_TYPES = {
'date': ['Date', 'mdi:judaism'],
'weekly_portion': ['Parshat Hashavua', 'mdi:book-open-variant'],
'holiday_name': ['Holiday', 'mdi:calendar-star'],
'holyness': ['Holyness', 'mdi:counter'],
'first_light': ['Alot Hashachar', 'mdi:weather-sunset-up'],
'gra_end_shma': ['Latest time for Shm"a GR"A', 'mdi:calendar-clock'],
'mga_end_shma': ['Latest time for Shm"a MG"A', 'mdi:calendar-clock'],
'plag_mincha': ['Plag Hamincha', 'mdi:weather-sunset-down'],
'first_stars': ['T\'set Hakochavim', 'mdi:weather-night'],
'upcoming_shabbat_candle_lighting': ['Upcoming Shabbat Candle Lighting',
'mdi:candle'],
'upcoming_shabbat_havdalah': ['Upcoming Shabbat Havdalah',
'mdi:weather-night'],
'upcoming_candle_lighting': ['Upcoming Candle Lighting', 'mdi:candle'],
'upcoming_havdalah': ['Upcoming Havdalah', 'mdi:weather-night'],
'issur_melacha_in_effect': ['Issur Melacha in Effect',
'mdi:power-plug-off'],
'omer_count': ['Day of the Omer', 'mdi:counter'],
}
CONF_DIASPORA = 'diaspora'
CONF_LANGUAGE = 'language'
CONF_SENSORS = 'sensors'
CONF_CANDLE_LIGHT_MINUTES = 'candle_lighting_minutes_before_sunset'
CONF_HAVDALAH_OFFSET_MINUTES = 'havdalah_minutes_after_sunset'
CANDLE_LIGHT_DEFAULT = 18
DEFAULT_NAME = 'Jewish Calendar'
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_DIASPORA, default=False): cv.boolean,
vol.Optional(CONF_LATITUDE): cv.latitude,
vol.Optional(CONF_LONGITUDE): cv.longitude,
vol.Optional(CONF_LANGUAGE, default='english'):
vol.In(['hebrew', 'english']),
vol.Optional(CONF_CANDLE_LIGHT_MINUTES, default=CANDLE_LIGHT_DEFAULT): int,
# Default of 0 means use 8.5 degrees / 'three_stars' time.
vol.Optional(CONF_HAVDALAH_OFFSET_MINUTES, default=0): int,
vol.Optional(CONF_SENSORS, default=['date']):
vol.All(cv.ensure_list, vol.Length(min=1), [vol.In(SENSOR_TYPES)]),
})
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None):
"""Set up the Jewish calendar sensor platform."""
language = config.get(CONF_LANGUAGE)
name = config.get(CONF_NAME)
latitude = config.get(CONF_LATITUDE, hass.config.latitude)
longitude = config.get(CONF_LONGITUDE, hass.config.longitude)
diaspora = config.get(CONF_DIASPORA)
candle_lighting_offset = config.get(CONF_CANDLE_LIGHT_MINUTES)
havdalah_offset = config.get(CONF_HAVDALAH_OFFSET_MINUTES)
if None in (latitude, longitude):
_LOGGER.error("Latitude or longitude not set in Home Assistant config")
return
dev = []
for sensor_type in config[CONF_SENSORS]:
dev.append(JewishCalSensor(
name, language, sensor_type, latitude, longitude,
hass.config.time_zone, diaspora, candle_lighting_offset,
havdalah_offset))
async_add_entities(dev, True)
class JewishCalSensor(Entity):
"""Representation of an Jewish calendar sensor."""
def __init__(
self, name, language, sensor_type, latitude, longitude, timezone,
diaspora, candle_lighting_offset=CANDLE_LIGHT_DEFAULT,
havdalah_offset=0):
"""Initialize the Jewish calendar sensor."""
self.client_name = name
self._name = SENSOR_TYPES[sensor_type][0]
self.type = sensor_type
self._hebrew = (language == 'hebrew')
self._state = None
self.latitude = latitude
self.longitude = longitude
self.timezone = timezone
self.diaspora = diaspora
self.candle_lighting_offset = candle_lighting_offset
self.havdalah_offset = havdalah_offset
_LOGGER.debug("Sensor %s initialized", self.type)
@property
def name(self):
"""Return the name of the sensor."""
return '{} {}'.format(self.client_name, self._name)
@property
def icon(self):
"""Icon to display in the front end."""
return SENSOR_TYPES[self.type][1]
@property
def state(self):
"""Return the state of the sensor."""
return self._state
async def async_update(self):
"""Update the state of the sensor."""
import hdate
now = dt_util.as_local(dt_util.now())
_LOGGER.debug("Now: %s Timezone = %s", now, now.tzinfo)
today = now.date()
sunset = dt_util.as_local(get_astral_event_date(
self.hass, SUN_EVENT_SUNSET, today))
_LOGGER.debug("Now: %s Sunset: %s", now, sunset)
location = hdate.Location(latitude=self.latitude,
longitude=self.longitude,
timezone=self.timezone,
diaspora=self.diaspora)
def make_zmanim(date):
"""Create a Zmanim object."""
return hdate.Zmanim(
date=date, location=location,
candle_lighting_offset=self.candle_lighting_offset,
havdalah_offset=self.havdalah_offset, hebrew=self._hebrew)
date = hdate.HDate(
today, diaspora=self.diaspora, hebrew=self._hebrew)
lagging_date = date
# Advance Hebrew date if sunset has passed.
# Not all sensors should advance immediately when the Hebrew date
# officially changes (i.e. after sunset), hence lagging_date.
if now > sunset:
date = date.next_day
today_times = make_zmanim(today)
if today_times.havdalah and now > today_times.havdalah:
lagging_date = lagging_date.next_day
# Terminology note: by convention in py-libhdate library, "upcoming"
# refers to "current" or "upcoming" dates.
if self.type == 'date':
self._state = date.hebrew_date
elif self.type == 'weekly_portion':
# Compute the weekly portion based on the upcoming shabbat.
self._state = lagging_date.upcoming_shabbat.parasha
elif self.type == 'holiday_name':
self._state = date.holiday_description
elif self.type == 'holyness':
self._state = date.holiday_type
elif self.type == 'upcoming_shabbat_candle_lighting':
times = make_zmanim(lagging_date.upcoming_shabbat
.previous_day.gdate)
self._state = times.candle_lighting
elif self.type == 'upcoming_candle_lighting':
times = make_zmanim(lagging_date.upcoming_shabbat_or_yom_tov
.first_day.previous_day.gdate)
self._state = times.candle_lighting
elif self.type == 'upcoming_shabbat_havdalah':
times = make_zmanim(lagging_date.upcoming_shabbat.gdate)
self._state = times.havdalah
elif self.type == 'upcoming_havdalah':
times = make_zmanim(lagging_date.upcoming_shabbat_or_yom_tov
.last_day.gdate)
self._state = times.havdalah
elif self.type == 'issur_melacha_in_effect':
self._state = make_zmanim(now).issur_melacha_in_effect
else:
times = make_zmanim(today).zmanim
self._state = times[self.type].time()
_LOGGER.debug("New value: %s", self._state)