104 lines
3.7 KiB
Python
104 lines
3.7 KiB
Python
"""Support for OpenTherm Gateway sensors."""
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import logging
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from homeassistant.components.sensor import ENTITY_ID_FORMAT, SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_ID
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.device_registry import DeviceInfo
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity import async_generate_entity_id
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from . import DOMAIN
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from .const import DATA_GATEWAYS, DATA_OPENTHERM_GW, SENSOR_INFO, TRANSLATE_SOURCE
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the OpenTherm Gateway sensors."""
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sensors = []
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gw_dev = hass.data[DATA_OPENTHERM_GW][DATA_GATEWAYS][config_entry.data[CONF_ID]]
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for var, info in SENSOR_INFO.items():
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device_class = info[0]
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unit = info[1]
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friendly_name_format = info[2]
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status_sources = info[3]
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for source in status_sources:
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sensors.append(
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OpenThermSensor(
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gw_dev,
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var,
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source,
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device_class,
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unit,
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friendly_name_format,
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)
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)
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async_add_entities(sensors)
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class OpenThermSensor(SensorEntity):
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"""Representation of an OpenTherm Gateway sensor."""
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_attr_should_poll = False
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_attr_entity_registry_enabled_default = False
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def __init__(self, gw_dev, var, source, device_class, unit, friendly_name_format):
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"""Initialize the OpenTherm Gateway sensor."""
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self.entity_id = async_generate_entity_id(
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ENTITY_ID_FORMAT, f"{var}_{source}_{gw_dev.gw_id}", hass=gw_dev.hass
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)
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self._gateway = gw_dev
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self._var = var
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self._source = source
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self._attr_device_class = device_class
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self._attr_native_unit_of_measurement = unit
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if TRANSLATE_SOURCE[source] is not None:
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friendly_name_format = (
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f"{friendly_name_format} ({TRANSLATE_SOURCE[source]})"
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)
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self._attr_name = friendly_name_format.format(gw_dev.name)
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self._unsub_updates = None
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self._attr_unique_id = f"{gw_dev.gw_id}-{source}-{var}"
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, gw_dev.gw_id)},
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manufacturer="Schelte Bron",
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model="OpenTherm Gateway",
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name=gw_dev.name,
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sw_version=gw_dev.gw_version,
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)
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async def async_added_to_hass(self) -> None:
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"""Subscribe to updates from the component."""
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_LOGGER.debug("Added OpenTherm Gateway sensor %s", self._attr_name)
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self._unsub_updates = async_dispatcher_connect(
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self.hass, self._gateway.update_signal, self.receive_report
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)
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async def async_will_remove_from_hass(self) -> None:
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"""Unsubscribe from updates from the component."""
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_LOGGER.debug("Removing OpenTherm Gateway sensor %s", self._attr_name)
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self._unsub_updates()
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@property
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def available(self):
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"""Return availability of the sensor."""
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return self._attr_native_value is not None
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@callback
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def receive_report(self, status):
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"""Handle status updates from the component."""
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value = status[self._source].get(self._var)
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if isinstance(value, float):
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value = f"{value:2.1f}"
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self._attr_native_value = value
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self.async_write_ha_state()
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