core/homeassistant/components/iss/binary_sensor.py

126 lines
3.9 KiB
Python

"""Support for International Space Station data sensor."""
from datetime import timedelta
import logging
import pyiss
import requests
import voluptuous as vol
from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorEntity
from homeassistant.const import (
ATTR_LATITUDE,
ATTR_LONGITUDE,
CONF_NAME,
CONF_SHOW_ON_MAP,
)
import homeassistant.helpers.config_validation as cv
from homeassistant.util import Throttle
_LOGGER = logging.getLogger(__name__)
ATTR_ISS_NEXT_RISE = "next_rise"
ATTR_ISS_NUMBER_PEOPLE_SPACE = "number_of_people_in_space"
DEFAULT_NAME = "ISS"
DEFAULT_DEVICE_CLASS = "visible"
MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=60)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_SHOW_ON_MAP, default=False): cv.boolean,
}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the ISS sensor."""
if None in (hass.config.latitude, hass.config.longitude):
_LOGGER.error("Latitude or longitude not set in Home Assistant config")
return False
try:
iss_data = IssData(hass.config.latitude, hass.config.longitude)
iss_data.update()
except requests.exceptions.HTTPError as error:
_LOGGER.error(error)
return False
name = config.get(CONF_NAME)
show_on_map = config.get(CONF_SHOW_ON_MAP)
add_entities([IssBinarySensor(iss_data, name, show_on_map)], True)
class IssBinarySensor(BinarySensorEntity):
"""Implementation of the ISS binary sensor."""
def __init__(self, iss_data, name, show):
"""Initialize the sensor."""
self.iss_data = iss_data
self._state = None
self._name = name
self._show_on_map = show
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def is_on(self):
"""Return true if the binary sensor is on."""
return self.iss_data.is_above if self.iss_data else False
@property
def device_class(self):
"""Return the class of this sensor."""
return DEFAULT_DEVICE_CLASS
@property
def device_state_attributes(self):
"""Return the state attributes."""
if self.iss_data:
attrs = {
ATTR_ISS_NUMBER_PEOPLE_SPACE: self.iss_data.number_of_people_in_space,
ATTR_ISS_NEXT_RISE: self.iss_data.next_rise,
}
if self._show_on_map:
attrs[ATTR_LONGITUDE] = self.iss_data.position.get("longitude")
attrs[ATTR_LATITUDE] = self.iss_data.position.get("latitude")
else:
attrs["long"] = self.iss_data.position.get("longitude")
attrs["lat"] = self.iss_data.position.get("latitude")
return attrs
def update(self):
"""Get the latest data from ISS API and updates the states."""
self.iss_data.update()
class IssData:
"""Get data from the ISS API."""
def __init__(self, latitude, longitude):
"""Initialize the data object."""
self.is_above = None
self.next_rise = None
self.number_of_people_in_space = None
self.position = None
self.latitude = latitude
self.longitude = longitude
@Throttle(MIN_TIME_BETWEEN_UPDATES)
def update(self):
"""Get the latest data from the ISS API."""
try:
iss = pyiss.ISS()
self.is_above = iss.is_ISS_above(self.latitude, self.longitude)
self.next_rise = iss.next_rise(self.latitude, self.longitude)
self.number_of_people_in_space = iss.number_of_people_in_space()
self.position = iss.current_location()
except (requests.exceptions.HTTPError, requests.exceptions.ConnectionError):
_LOGGER.error("Unable to retrieve data")
return False