118 lines
3.9 KiB
Python
118 lines
3.9 KiB
Python
"""
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Support for ADS light sources.
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For more details about this platform, please refer to the documentation.
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https://home-assistant.io/components/light.ads/
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"""
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import asyncio
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import logging
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import voluptuous as vol
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from homeassistant.components.light import Light, ATTR_BRIGHTNESS, \
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SUPPORT_BRIGHTNESS, PLATFORM_SCHEMA
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from homeassistant.const import CONF_NAME
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from homeassistant.components.ads import DATA_ADS, CONF_ADS_VAR, \
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CONF_ADS_VAR_BRIGHTNESS
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['ads']
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DEFAULT_NAME = 'ADS Light'
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CONF_ADSVAR_BRIGHTNESS = 'adsvar_brightness'
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_ADS_VAR): cv.string,
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vol.Optional(CONF_ADS_VAR_BRIGHTNESS): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the light platform for ADS."""
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ads_hub = hass.data.get(DATA_ADS)
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ads_var_enable = config.get(CONF_ADS_VAR)
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ads_var_brightness = config.get(CONF_ADS_VAR_BRIGHTNESS)
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name = config.get(CONF_NAME)
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add_devices([AdsLight(ads_hub, ads_var_enable, ads_var_brightness,
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name)], True)
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class AdsLight(Light):
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"""Representation of ADS light."""
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def __init__(self, ads_hub, ads_var_enable, ads_var_brightness, name):
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"""Initialize AdsLight entity."""
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self._ads_hub = ads_hub
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self._on_state = False
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self._brightness = None
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self._name = name
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self.ads_var_enable = ads_var_enable
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self.ads_var_brightness = ads_var_brightness
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@asyncio.coroutine
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def async_added_to_hass(self):
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"""Register device notification."""
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def update_on_state(name, value):
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"""Handle device notifications for state."""
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_LOGGER.debug('Variable %s changed its value to %d', name, value)
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self._on_state = value
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self.schedule_update_ha_state()
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def update_brightness(name, value):
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"""Handle device notification for brightness."""
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_LOGGER.debug('Variable %s changed its value to %d', name, value)
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self._brightness = value
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self.schedule_update_ha_state()
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self.hass.async_add_job(
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self._ads_hub.add_device_notification,
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self.ads_var_enable, self._ads_hub.PLCTYPE_BOOL, update_on_state
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)
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self.hass.async_add_job(
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self._ads_hub.add_device_notification,
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self.ads_var_brightness, self._ads_hub.PLCTYPE_INT,
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update_brightness
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)
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@property
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def name(self):
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"""Return the name of the device if any."""
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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 (0..255)."""
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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 light is on."""
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return self._on_state
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@property
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def should_poll(self):
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"""Return False because entity pushes its state to HA."""
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return False
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@property
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def supported_features(self):
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"""Flag supported features."""
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if self.ads_var_brightness is not None:
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return SUPPORT_BRIGHTNESS
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def turn_on(self, **kwargs):
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"""Turn the light on or set a specific dimmer value."""
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brightness = kwargs.get(ATTR_BRIGHTNESS)
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self._ads_hub.write_by_name(self.ads_var_enable, True,
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self._ads_hub.PLCTYPE_BOOL)
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if self.ads_var_brightness is not None and brightness is not None:
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self._ads_hub.write_by_name(self.ads_var_brightness, brightness,
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self._ads_hub.PLCTYPE_UINT)
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def turn_off(self, **kwargs):
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"""Turn the light off."""
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self._ads_hub.write_by_name(self.ads_var_enable, False,
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self._ads_hub.PLCTYPE_BOOL)
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