core/homeassistant/components/sensor/iss.py

128 lines
3.8 KiB
Python

"""
Support for International Space Station data sensor.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.iss/
"""
import logging
from datetime import timedelta, datetime
import requests
import voluptuous as vol
from homeassistant.util import Throttle
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (CONF_NAME)
from homeassistant.helpers.entity import Entity
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['pyiss==1.0.1']
_LOGGER = logging.getLogger(__name__)
ATTR_ISS_VISIBLE = 'visible'
ATTR_ISS_NEXT_RISE = 'next_rise'
ATTR_ISS_NUMBER_PEOPLE_SPACE = 'number_of_people_in_space'
DEFAULT_NAME = 'ISS'
MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=60)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
})
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Setup the ISS sensor."""
# Validate the configuration
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)
sensors = []
sensors.append(IssSensor(iss_data, name))
add_devices(sensors, True)
class IssSensor(Entity):
"""Implementation of a ISS sensor."""
def __init__(self, iss_data, name):
"""Initialize the sensor."""
self.iss_data = iss_data
self._state = None
self._attributes = {}
self._client_name = name
self._name = ATTR_ISS_VISIBLE
self._unit_of_measurement = None
self._icon = 'mdi:eye'
@property
def name(self):
"""Return the name of the sensor."""
return '{} {}'.format(self._client_name, self._name)
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def device_state_attributes(self):
"""Return the state attributes."""
return self._attributes
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity, if any."""
return self._unit_of_measurement
@property
def icon(self):
"""Icon to use in the frontend, if any."""
return self._icon
def update(self):
"""Get the latest data from ISS API and updates the states."""
self._state = self.iss_data.is_above
self._attributes[ATTR_ISS_NUMBER_PEOPLE_SPACE] = \
self.iss_data.number_of_people_in_space
delta = self.iss_data.next_rise - datetime.utcnow()
self._attributes[ATTR_ISS_NEXT_RISE] = int(delta.total_seconds() / 60)
class IssData(object):
"""Get data from the ISS."""
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.latitude = latitude
self.longitude = longitude
@Throttle(MIN_TIME_BETWEEN_UPDATES)
def update(self):
"""Get the latest data from the ISS."""
import pyiss
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()
_LOGGER.error(self.next_rise.tzinfo)
except requests.exceptions.HTTPError as error:
_LOGGER.error(error)
return False