core/homeassistant/components/modbus/switch.py

44 lines
1.2 KiB
Python

"""Support for Modbus switches."""
from __future__ import annotations
from typing import Any
from homeassistant.components.switch import SwitchEntity
from homeassistant.const import CONF_NAME, CONF_SWITCHES
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from . import get_hub
from .entity import BaseSwitch
from .modbus import ModbusHub
PARALLEL_UPDATES = 1
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Read configuration and create Modbus switches."""
switches = []
if discovery_info is None:
return
for entry in discovery_info[CONF_SWITCHES]:
hub: ModbusHub = get_hub(hass, discovery_info[CONF_NAME])
switches.append(ModbusSwitch(hass, hub, entry))
async_add_entities(switches)
class ModbusSwitch(BaseSwitch, SwitchEntity):
"""Base class representing a Modbus switch."""
async def async_turn_on(self, **kwargs: Any) -> None:
"""Set switch on."""
await self.async_turn(self.command_on)