126 lines
3.9 KiB
Python
126 lines
3.9 KiB
Python
"""Support for LiteJet lights."""
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import logging
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_TRANSITION,
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SUPPORT_BRIGHTNESS,
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SUPPORT_TRANSITION,
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LightEntity,
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)
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from .const import CONF_DEFAULT_TRANSITION, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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ATTR_NUMBER = "number"
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up entry."""
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system = hass.data[DOMAIN]
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def get_entities(system):
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entities = []
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for i in system.loads():
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name = system.get_load_name(i)
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entities.append(LiteJetLight(config_entry, system, i, name))
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return entities
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async_add_entities(await hass.async_add_executor_job(get_entities, system), True)
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class LiteJetLight(LightEntity):
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"""Representation of a single LiteJet light."""
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def __init__(self, config_entry, lj, i, name):
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"""Initialize a LiteJet light."""
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self._config_entry = config_entry
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self._lj = lj
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self._index = i
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self._brightness = 0
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self._name = name
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async def async_added_to_hass(self):
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"""Run when this Entity has been added to HA."""
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self._lj.on_load_activated(self._index, self._on_load_changed)
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self._lj.on_load_deactivated(self._index, self._on_load_changed)
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async def async_will_remove_from_hass(self):
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"""Entity being removed from hass."""
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self._lj.unsubscribe(self._on_load_changed)
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def _on_load_changed(self):
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"""Handle state changes."""
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_LOGGER.debug("Updating due to notification for %s", self._name)
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self.schedule_update_ha_state(True)
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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_BRIGHTNESS | SUPPORT_TRANSITION
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@property
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def name(self):
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"""Return the light's name."""
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return self._name
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@property
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def unique_id(self):
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"""Return a unique identifier for this light."""
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return f"{self._config_entry.entry_id}_{self._index}"
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@property
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def brightness(self):
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"""Return the light's brightness."""
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return self._brightness
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@property
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def is_on(self):
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"""Return if the light is on."""
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return self._brightness != 0
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@property
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def should_poll(self):
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"""Return that lights do not require polling."""
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return False
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@property
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def extra_state_attributes(self):
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"""Return the device state attributes."""
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return {ATTR_NUMBER: self._index}
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def turn_on(self, **kwargs):
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"""Turn on the light."""
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# If neither attribute is specified then the simple activate load
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# LiteJet API will use the per-light default brightness and
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# transition values programmed in the LiteJet system.
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if ATTR_BRIGHTNESS not in kwargs and ATTR_TRANSITION not in kwargs:
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self._lj.activate_load(self._index)
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return
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# If either attribute is specified then Home Assistant must
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# control both values.
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default_transition = self._config_entry.options.get(CONF_DEFAULT_TRANSITION, 0)
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transition = kwargs.get(ATTR_TRANSITION, default_transition)
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brightness = int(kwargs.get(ATTR_BRIGHTNESS, 255) / 255 * 99)
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self._lj.activate_load_at(self._index, brightness, int(transition))
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def turn_off(self, **kwargs):
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"""Turn off the light."""
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if ATTR_TRANSITION in kwargs:
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self._lj.activate_load_at(self._index, 0, kwargs[ATTR_TRANSITION])
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return
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# If transition attribute is not specified then the simple
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# deactivate load LiteJet API will use the per-light default
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# transition value programmed in the LiteJet system.
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self._lj.deactivate_load(self._index)
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def update(self):
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"""Retrieve the light's brightness from the LiteJet system."""
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self._brightness = int(self._lj.get_load_level(self._index) / 99 * 255)
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