123 lines
3.7 KiB
Python
123 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
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from homeassistant.const import CONF_ID
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity import Entity, async_generate_entity_id
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from . import DOMAIN
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from .const import DATA_GATEWAYS, DATA_OPENTHERM_GW, SENSOR_INFO
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up the OpenTherm Gateway sensors."""
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sensors = []
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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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sensors.append(
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OpenThermSensor(
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hass.data[DATA_OPENTHERM_GW][DATA_GATEWAYS][config_entry.data[CONF_ID]],
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var,
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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(Entity):
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"""Representation of an OpenTherm Gateway sensor."""
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def __init__(self, gw_dev, var, 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}_{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._value = None
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self._device_class = device_class
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self._unit = unit
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self._friendly_name = friendly_name_format.format(gw_dev.name)
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self._unsub_updates = None
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async def async_added_to_hass(self):
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"""Subscribe to updates from the component."""
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_LOGGER.debug("Added OpenTherm Gateway sensor %s", self._friendly_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):
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"""Unsubscribe from updates from the component."""
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_LOGGER.debug("Removing OpenTherm Gateway sensor %s", self._friendly_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._value is not None
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@property
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def entity_registry_enabled_default(self):
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"""Disable sensors by default."""
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return False
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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.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._value = value
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self.async_write_ha_state()
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@property
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def name(self):
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"""Return the friendly name of the sensor."""
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return self._friendly_name
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@property
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def device_info(self):
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"""Return device info."""
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return {
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"identifiers": {(DOMAIN, self._gateway.gw_id)},
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"name": self._gateway.name,
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"manufacturer": "Schelte Bron",
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"model": "OpenTherm Gateway",
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"sw_version": self._gateway.gw_version,
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}
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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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return f"{self._gateway.gw_id}-{self._var}"
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@property
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def device_class(self):
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"""Return the device class."""
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return self._device_class
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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._value
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement."""
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return self._unit
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@property
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def should_poll(self):
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"""Return False because entity pushes its state."""
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return False
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