core/homeassistant/components/vesync/light.py

86 lines
2.5 KiB
Python

"""Support for VeSync dimmers."""
import logging
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
SUPPORT_BRIGHTNESS,
LightEntity,
)
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from .common import VeSyncDevice
from .const import DOMAIN, VS_DISCOVERY, VS_DISPATCHERS, VS_LIGHTS
_LOGGER = logging.getLogger(__name__)
DEV_TYPE_TO_HA = {
"ESD16": "light",
"ESWD16": "light",
}
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up lights."""
async def async_discover(devices):
"""Add new devices to platform."""
_async_setup_entities(devices, async_add_entities)
disp = async_dispatcher_connect(
hass, VS_DISCOVERY.format(VS_LIGHTS), async_discover
)
hass.data[DOMAIN][VS_DISPATCHERS].append(disp)
_async_setup_entities(hass.data[DOMAIN][VS_LIGHTS], async_add_entities)
return True
@callback
def _async_setup_entities(devices, async_add_entities):
"""Check if device is online and add entity."""
dev_list = []
for dev in devices:
if DEV_TYPE_TO_HA.get(dev.device_type) == "light":
dev_list.append(VeSyncDimmerHA(dev))
else:
_LOGGER.debug(
"%s - Unknown device type - %s", dev.device_name, dev.device_type
)
continue
async_add_entities(dev_list, update_before_add=True)
class VeSyncDimmerHA(VeSyncDevice, LightEntity):
"""Representation of a VeSync dimmer."""
def __init__(self, dimmer):
"""Initialize the VeSync dimmer device."""
super().__init__(dimmer)
self.dimmer = dimmer
def turn_on(self, **kwargs):
"""Turn the device on."""
if ATTR_BRIGHTNESS in kwargs:
# get brightness from HA data
brightness = int(kwargs[ATTR_BRIGHTNESS])
# convert to percent that vesync api expects
brightness = round((brightness / 255) * 100)
# clamp to 1-100
brightness = max(1, min(brightness, 100))
self.dimmer.set_brightness(brightness)
# Avoid turning device back on if this is just a brightness adjustment
if not self.is_on:
self.device.turn_on()
@property
def supported_features(self):
"""Get supported features for this entity."""
return SUPPORT_BRIGHTNESS
@property
def brightness(self):
"""Get dimmer brightness."""
return round((int(self.dimmer.brightness) / 100) * 255)