hass-core/homeassistant/components/isy994/sensor.py
shbatm 799cdbe64d
Add support for ISY994 Variables as Sensors (#35453)
* Update tests, add missing constant

* ISY994 Add support for ISY Variables as sensors
2020-05-10 09:40:19 -05:00

114 lines
3.6 KiB
Python

"""Support for ISY994 sensors."""
from typing import Callable, Dict
from pyisy.constants import ISY_VALUE_UNKNOWN
from homeassistant.components.sensor import DOMAIN as SENSOR
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import STATE_UNKNOWN, TEMP_CELSIUS, TEMP_FAHRENHEIT
from homeassistant.helpers.typing import HomeAssistantType
from .const import (
_LOGGER,
DOMAIN as ISY994_DOMAIN,
ISY994_NODES,
ISY994_VARIABLES,
UOM_FRIENDLY_NAME,
UOM_TO_STATES,
)
from .entity import ISYEntity, ISYNodeEntity
from .helpers import migrate_old_unique_ids
async def async_setup_entry(
hass: HomeAssistantType,
entry: ConfigEntry,
async_add_entities: Callable[[list], None],
) -> bool:
"""Set up the ISY994 sensor platform."""
hass_isy_data = hass.data[ISY994_DOMAIN][entry.entry_id]
devices = []
for node in hass_isy_data[ISY994_NODES][SENSOR]:
_LOGGER.debug("Loading %s", node.name)
devices.append(ISYSensorEntity(node))
for vname, vobj in hass_isy_data[ISY994_VARIABLES]:
devices.append(ISYSensorVariableEntity(vname, vobj))
await migrate_old_unique_ids(hass, SENSOR, devices)
async_add_entities(devices)
class ISYSensorEntity(ISYNodeEntity):
"""Representation of an ISY994 sensor device."""
@property
def raw_unit_of_measurement(self) -> str:
"""Get the raw unit of measurement for the ISY994 sensor device."""
uom = self._node.uom
# Backwards compatibility for ISYv4 Firmware:
if isinstance(uom, list):
return UOM_FRIENDLY_NAME.get(uom[0], uom[0])
return UOM_FRIENDLY_NAME.get(uom)
@property
def state(self) -> str:
"""Get the state of the ISY994 sensor device."""
if self.value == ISY_VALUE_UNKNOWN:
return STATE_UNKNOWN
uom = self._node.uom
# Backwards compatibility for ISYv4 Firmware:
if isinstance(uom, list):
uom = uom[0]
if not uom:
return STATE_UNKNOWN
states = UOM_TO_STATES.get(uom)
if states and states.get(self.value):
return states.get(self.value)
if self._node.prec and int(self._node.prec) != 0:
str_val = str(self.value)
int_prec = int(self._node.prec)
decimal_part = str_val[-int_prec:]
whole_part = str_val[: len(str_val) - int_prec]
val = float(f"{whole_part}.{decimal_part}")
raw_units = self.raw_unit_of_measurement
if raw_units in (TEMP_CELSIUS, TEMP_FAHRENHEIT):
val = self.hass.config.units.temperature(val, raw_units)
return val
return self.value
@property
def unit_of_measurement(self) -> str:
"""Get the unit of measurement for the ISY994 sensor device."""
raw_units = self.raw_unit_of_measurement
if raw_units in (TEMP_FAHRENHEIT, TEMP_CELSIUS):
return self.hass.config.units.temperature_unit
return raw_units
class ISYSensorVariableEntity(ISYEntity):
"""Representation of an ISY994 variable as a sensor device."""
def __init__(self, vname: str, vobj: object) -> None:
"""Initialize the ISY994 binary sensor program."""
super().__init__(vobj)
self._name = vname
@property
def state(self):
"""Return the state of the variable."""
return self.value
@property
def device_state_attributes(self) -> Dict:
"""Get the state attributes for the device."""
return {"init_value": int(self._node.init)}
@property
def icon(self):
"""Return the icon."""
return "mdi:counter"