core/homeassistant/components/numato/switch.py

114 lines
3.5 KiB
Python

"""Switch platform integration for Numato USB GPIO expanders."""
from __future__ import annotations
import logging
from typing import Any
from numato_gpio import NumatoGpioError
from homeassistant.components.switch import SwitchEntity
from homeassistant.const import (
CONF_DEVICES,
CONF_ID,
CONF_SWITCHES,
DEVICE_DEFAULT_NAME,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from . import CONF_INVERT_LOGIC, CONF_PORTS, DATA_API, DOMAIN
_LOGGER = logging.getLogger(__name__)
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the configured Numato USB GPIO switch ports."""
if discovery_info is None:
return
api = hass.data[DOMAIN][DATA_API]
switches = []
devices = hass.data[DOMAIN][CONF_DEVICES]
for device in [d for d in devices if CONF_SWITCHES in d]:
device_id = device[CONF_ID]
platform = device[CONF_SWITCHES]
invert_logic = platform[CONF_INVERT_LOGIC]
ports = platform[CONF_PORTS]
for port, port_name in ports.items():
try:
api.setup_output(device_id, port)
api.write_output(device_id, port, 1 if invert_logic else 0)
except NumatoGpioError as err:
_LOGGER.error(
"Failed to initialize switch '%s' on Numato device %s port %s: %s",
port_name,
device_id,
port,
err,
)
continue
switches.append(
NumatoGpioSwitch(
port_name,
device_id,
port,
invert_logic,
api,
)
)
add_entities(switches, True)
class NumatoGpioSwitch(SwitchEntity):
"""Representation of a Numato USB GPIO switch port."""
_attr_should_poll = False
def __init__(self, name, device_id, port, invert_logic, api):
"""Initialize the port."""
self._attr_name = name or DEVICE_DEFAULT_NAME
self._device_id = device_id
self._port = port
self._invert_logic = invert_logic
self._attr_is_on = False
self._api = api
def turn_on(self, **kwargs: Any) -> None:
"""Turn the port on."""
try:
self._api.write_output(
self._device_id, self._port, 0 if self._invert_logic else 1
)
self._attr_is_on = True
self.schedule_update_ha_state()
except NumatoGpioError as err:
_LOGGER.error(
"Failed to turn on Numato device %s port %s: %s",
self._device_id,
self._port,
err,
)
def turn_off(self, **kwargs: Any) -> None:
"""Turn the port off."""
try:
self._api.write_output(
self._device_id, self._port, 1 if self._invert_logic else 0
)
self._attr_is_on = False
self.schedule_update_ha_state()
except NumatoGpioError as err:
_LOGGER.error(
"Failed to turn off Numato device %s port %s: %s",
self._device_id,
self._port,
err,
)