130 lines
3.4 KiB
Python
130 lines
3.4 KiB
Python
"""Support for Piglow LED's."""
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from __future__ import annotations
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import logging
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import subprocess
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import piglow
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import voluptuous as vol
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_HS_COLOR,
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PLATFORM_SCHEMA,
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SUPPORT_BRIGHTNESS,
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SUPPORT_COLOR,
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LightEntity,
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)
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from homeassistant.const import CONF_NAME
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from homeassistant.core import HomeAssistant
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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import homeassistant.util.color as color_util
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_LOGGER = logging.getLogger(__name__)
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SUPPORT_PIGLOW = SUPPORT_BRIGHTNESS | SUPPORT_COLOR
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DEFAULT_NAME = "Piglow"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string}
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)
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def setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up the Piglow Light platform."""
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_LOGGER.warning(
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"The Piglow integration is deprecated and will be removed "
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"in Home Assistant Core 2022.4; this integration is removed under "
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"Architectural Decision Record 0019, more information can be found here: "
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"https://github.com/home-assistant/architecture/blob/master/adr/0019-GPIO.md"
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)
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if subprocess.getoutput("i2cdetect -q -y 1 | grep -o 54") != "54":
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_LOGGER.error("A Piglow device was not found")
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return
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name = config.get(CONF_NAME)
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add_entities([PiglowLight(name)])
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class PiglowLight(LightEntity):
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"""Representation of an Piglow Light."""
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def __init__(self, name):
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"""Initialize an PiglowLight."""
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self._name = name
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self._is_on = False
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self._brightness = 255
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self._hs_color = [0, 0]
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@property
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def name(self):
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"""Return the display name of this light."""
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return self._name
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@property
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def brightness(self):
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"""Return the brightness of the light."""
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return self._brightness
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@property
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def hs_color(self):
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"""Read back the color of the light."""
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return self._hs_color
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORT_PIGLOW
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@property
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def should_poll(self):
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"""Return if we should poll this device."""
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return False
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@property
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def assumed_state(self) -> bool:
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"""Return True if unable to access real state of the entity."""
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return True
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@property
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def is_on(self):
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"""Return true if light is on."""
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return self._is_on
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def turn_on(self, **kwargs):
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"""Instruct the light to turn on."""
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piglow.clear()
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if ATTR_BRIGHTNESS in kwargs:
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self._brightness = kwargs[ATTR_BRIGHTNESS]
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if ATTR_HS_COLOR in kwargs:
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self._hs_color = kwargs[ATTR_HS_COLOR]
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rgb = color_util.color_hsv_to_RGB(
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self._hs_color[0], self._hs_color[1], self._brightness / 255 * 100
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)
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piglow.red(rgb[0])
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piglow.green(rgb[1])
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piglow.blue(rgb[2])
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piglow.show()
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self._is_on = True
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self.schedule_update_ha_state()
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def turn_off(self, **kwargs):
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"""Instruct the light to turn off."""
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piglow.clear()
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piglow.show()
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self._is_on = False
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self.schedule_update_ha_state()
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