core/homeassistant/components/homematic/switch.py

72 lines
2.0 KiB
Python

"""Support for HomeMatic switches."""
from __future__ import annotations
from typing import Any
from homeassistant.components.switch import SwitchEntity
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .const import ATTR_DISCOVER_DEVICES
from .entity import HMDevice
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the HomeMatic switch platform."""
if discovery_info is None:
return
devices = []
for conf in discovery_info[ATTR_DISCOVER_DEVICES]:
new_device = HMSwitch(conf)
devices.append(new_device)
add_entities(devices, True)
class HMSwitch(HMDevice, SwitchEntity):
"""Representation of a HomeMatic switch."""
@property
def is_on(self):
"""Return True if switch is on."""
try:
return self._hm_get_state() > 0
except TypeError:
return False
@property
def today_energy_kwh(self):
"""Return the current power usage in kWh."""
if "ENERGY_COUNTER" in self._data:
try:
return self._data["ENERGY_COUNTER"] / 1000
except ZeroDivisionError:
return 0
return None
def turn_on(self, **kwargs: Any) -> None:
"""Turn the switch on."""
self._hmdevice.on(self._channel)
def turn_off(self, **kwargs: Any) -> None:
"""Turn the switch off."""
self._hmdevice.off(self._channel)
def _init_data_struct(self):
"""Generate the data dictionary (self._data) from metadata."""
self._state = "STATE"
self._data.update({self._state: None})
# Need sensor values for SwitchPowermeter
for node in self._hmdevice.SENSORNODE:
self._data.update({node: None})