core/homeassistant/components/x10/light.py

116 lines
3.2 KiB
Python

"""Support for X10 lights."""
from __future__ import annotations
import logging
from subprocess import STDOUT, CalledProcessError, check_output
from typing import Any
import voluptuous as vol
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
PLATFORM_SCHEMA as LIGHT_PLATFORM_SCHEMA,
ColorMode,
LightEntity,
)
from homeassistant.const import CONF_DEVICES, CONF_ID, CONF_NAME
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
_LOGGER = logging.getLogger(__name__)
PLATFORM_SCHEMA = LIGHT_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_DEVICES): vol.All(
cv.ensure_list,
[{vol.Required(CONF_ID): cv.string, vol.Required(CONF_NAME): cv.string}],
)
}
)
def x10_command(command):
"""Execute X10 command and check output."""
return check_output(["heyu", *command.split(" ")], stderr=STDOUT)
def get_unit_status(code):
"""Get on/off status for given unit."""
output = check_output(["heyu", "onstate", code])
return int(output.decode("utf-8")[0])
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the x10 Light platform."""
is_cm11a = True
try:
x10_command("info")
except CalledProcessError as err:
_LOGGER.warning("Assuming that the device is CM17A: %s", err.output)
is_cm11a = False
add_entities(X10Light(light, is_cm11a) for light in config[CONF_DEVICES])
class X10Light(LightEntity):
"""Representation of an X10 Light."""
_attr_color_mode = ColorMode.BRIGHTNESS
_attr_supported_color_modes = {ColorMode.BRIGHTNESS}
def __init__(self, light, is_cm11a):
"""Initialize an X10 Light."""
self._name = light["name"]
self._id = light["id"]
self._brightness = 0
self._state = False
self._is_cm11a = is_cm11a
@property
def name(self):
"""Return the display name of this light."""
return self._name
@property
def brightness(self):
"""Return the brightness of the light."""
return self._brightness
@property
def is_on(self):
"""Return true if light is on."""
return self._state
def turn_on(self, **kwargs: Any) -> None:
"""Instruct the light to turn on."""
if self._is_cm11a:
x10_command(f"on {self._id}")
else:
x10_command(f"fon {self._id}")
self._brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
self._state = True
def turn_off(self, **kwargs: Any) -> None:
"""Instruct the light to turn off."""
if self._is_cm11a:
x10_command(f"off {self._id}")
else:
x10_command(f"foff {self._id}")
self._state = False
def update(self) -> None:
"""Fetch update state."""
if self._is_cm11a:
self._state = bool(get_unit_status(self._id))
else:
# Not supported on CM17A
pass