158 lines
5.3 KiB
Python
158 lines
5.3 KiB
Python
"""
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Support for Tibber.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.tibber/
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"""
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import asyncio
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import logging
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from datetime import timedelta
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import aiohttp
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import CONF_ACCESS_TOKEN
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from homeassistant.exceptions import PlatformNotReady
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.entity import Entity
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from homeassistant.util import dt as dt_util
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from homeassistant.util import Throttle
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REQUIREMENTS = ['pyTibber==0.4.1']
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_LOGGER = logging.getLogger(__name__)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_ACCESS_TOKEN): cv.string
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})
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ICON = 'mdi:currency-usd'
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SCAN_INTERVAL = timedelta(minutes=1)
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MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=5)
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async def async_setup_platform(hass, config, async_add_devices,
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discovery_info=None):
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"""Set up the Tibber sensor."""
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import tibber
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tibber_connection = tibber.Tibber(config[CONF_ACCESS_TOKEN],
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websession=async_get_clientsession(hass))
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try:
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await tibber_connection.update_info()
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dev = []
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for home in tibber_connection.get_homes():
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await home.update_info()
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dev.append(TibberSensor(home))
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except (asyncio.TimeoutError, aiohttp.ClientError):
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raise PlatformNotReady()
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async_add_devices(dev, True)
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class TibberSensor(Entity):
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"""Representation of an Tibber sensor."""
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def __init__(self, tibber_home):
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"""Initialize the sensor."""
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self._tibber_home = tibber_home
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self._last_updated = None
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self._last_data_timestamp = None
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self._state = None
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self._is_available = False
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self._device_state_attributes = {}
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self._unit_of_measurement = self._tibber_home.price_unit
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self._name = 'Electricity price {}'.format(tibber_home.info['viewer']
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['home']['appNickname'])
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async def async_update(self):
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"""Get the latest data and updates the states."""
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now = dt_util.now()
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if self._tibber_home.current_price_total and self._last_updated and \
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self._last_updated.hour == now.hour and self._last_data_timestamp:
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return
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if (not self._last_data_timestamp or
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(self._last_data_timestamp - now).total_seconds()/3600 < 12
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or not self._is_available):
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_LOGGER.debug("Asking for new data.")
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await self._fetch_data()
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self._is_available = self._update_current_price()
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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return self._device_state_attributes
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@property
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def available(self):
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"""Return True if entity is available."""
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return self._is_available
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the state of the device."""
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return self._state
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@property
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def icon(self):
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"""Return the icon to use in the frontend."""
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return ICON
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement of this entity."""
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return self._unit_of_measurement
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@property
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def unique_id(self):
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"""Return a unique ID."""
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home = self._tibber_home.info['viewer']['home']
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return home['meteringPointData']['consumptionEan']
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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async def _fetch_data(self):
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try:
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await self._tibber_home.update_info()
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await self._tibber_home.update_price_info()
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except (asyncio.TimeoutError, aiohttp.ClientError):
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return
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data = self._tibber_home.info['viewer']['home']
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self._device_state_attributes['app_nickname'] = data['appNickname']
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self._device_state_attributes['grid_company'] = \
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data['meteringPointData']['gridCompany']
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self._device_state_attributes['estimated_annual_consumption'] = \
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data['meteringPointData']['estimatedAnnualConsumption']
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def _update_current_price(self):
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state = None
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max_price = 0
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min_price = 10000
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now = dt_util.now()
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for key, price_total in self._tibber_home.price_total.items():
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price_time = dt_util.as_local(dt_util.parse_datetime(key))
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price_total = round(price_total, 3)
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time_diff = (now - price_time).total_seconds()/60
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if (not self._last_data_timestamp or
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price_time > self._last_data_timestamp):
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self._last_data_timestamp = price_time
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if 0 <= time_diff < 60:
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state = price_total
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self._last_updated = price_time
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if now.date() == price_time.date():
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max_price = max(max_price, price_total)
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min_price = min(min_price, price_total)
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self._state = state
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self._device_state_attributes['max_price'] = max_price
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self._device_state_attributes['min_price'] = min_price
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return state is not None
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