99 lines
2.9 KiB
Python
99 lines
2.9 KiB
Python
"""Monitors home energy use for the ELIQ Online service."""
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import asyncio
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from datetime import timedelta
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import logging
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import eliqonline
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import voluptuous as vol
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from homeassistant.components.sensor import (
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PLATFORM_SCHEMA,
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SensorEntity,
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SensorStateClass,
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)
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from homeassistant.const import CONF_ACCESS_TOKEN, CONF_NAME, POWER_WATT
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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CONF_CHANNEL_ID = "channel_id"
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DEFAULT_NAME = "ELIQ Online"
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ICON = "mdi:gauge"
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SCAN_INTERVAL = timedelta(seconds=60)
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UNIT_OF_MEASUREMENT = POWER_WATT
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_ACCESS_TOKEN): cv.string,
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vol.Required(CONF_CHANNEL_ID): cv.positive_int,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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}
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)
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the ELIQ Online sensor."""
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access_token = config.get(CONF_ACCESS_TOKEN)
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name = config.get(CONF_NAME, DEFAULT_NAME)
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channel_id = config.get(CONF_CHANNEL_ID)
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session = async_get_clientsession(hass)
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api = eliqonline.API(session=session, access_token=access_token)
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try:
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_LOGGER.debug("Probing for access to ELIQ Online API")
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await api.get_data_now(channelid=channel_id)
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except OSError as error:
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_LOGGER.error("Could not access the ELIQ Online API: %s", error)
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return False
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async_add_entities([EliqSensor(api, channel_id, name)], True)
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class EliqSensor(SensorEntity):
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"""Implementation of an ELIQ Online sensor."""
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_attr_state_class = SensorStateClass.MEASUREMENT
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def __init__(self, api, channel_id, name):
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"""Initialize the sensor."""
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self._name = name
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self._state = None
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self._api = api
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self._channel_id = channel_id
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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 icon(self):
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"""Return icon."""
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return ICON
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@property
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def native_unit_of_measurement(self):
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"""Return the unit of measurement of this entity, if any."""
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return UNIT_OF_MEASUREMENT
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@property
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def native_value(self):
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"""Return the state of the device."""
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return self._state
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async def async_update(self):
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"""Get the latest data."""
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try:
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response = await self._api.get_data_now(channelid=self._channel_id)
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self._state = int(response["power"])
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_LOGGER.debug("Updated power from server %d W", self._state)
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except KeyError:
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_LOGGER.warning("Invalid response from ELIQ Online API")
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except (OSError, asyncio.TimeoutError) as error:
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_LOGGER.warning("Could not connect to the ELIQ Online API: %s", error)
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