061a38cc3b
The upstream Avion and Decora code has changed to punt retry logic out to consumers, so update to match. As a bonus, Avion also gains support for pulling switch configuration off the web rather than requiring manual configuration.
166 lines
4.5 KiB
Python
166 lines
4.5 KiB
Python
"""
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Support for Decora dimmers.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/light.decora/
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"""
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import logging
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import time
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import voluptuous as vol
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from homeassistant.const import CONF_API_KEY, CONF_DEVICES, CONF_NAME
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS, Light,
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PLATFORM_SCHEMA)
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import homeassistant.helpers.config_validation as cv
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# pylint: disable=import-error
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DECORA_EXCEPTION = None
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REQUIREMENTS = ['decora==0.6']
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_LOGGER = logging.getLogger(__name__)
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SUPPORT_DECORA_LED = (SUPPORT_BRIGHTNESS)
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DEVICE_SCHEMA = vol.Schema({
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vol.Optional(CONF_NAME): cv.string,
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vol.Required(CONF_API_KEY): cv.string,
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})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_DEVICES, default={}): {cv.string: DEVICE_SCHEMA},
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up an Decora switch."""
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global DECORA_EXCEPTION
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import decora
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DECORA_EXCEPTION = decora.decoraException
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lights = []
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for address, device_config in config[CONF_DEVICES].items():
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device = {}
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device['name'] = device_config[CONF_NAME]
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device['key'] = device_config[CONF_API_KEY]
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device['address'] = address
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light = DecoraLight(device)
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lights.append(light)
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add_devices(lights)
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class DecoraLight(Light):
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"""Representation of an Decora light."""
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def __init__(self, device):
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"""Initialize the light."""
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import decora
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self._name = device['name']
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self._address = device['address']
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self._key = device["key"]
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self._switch = decora.decora(self._address, self._key)
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self._brightness = 0
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self._state = False
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@property
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def unique_id(self):
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"""Return the ID of this light."""
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return "{}.{}".format(self.__class__, self._address)
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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 is_on(self):
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"""Return true if device is on."""
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self.update()
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return self._state
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@property
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def brightness(self):
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"""Return the brightness of this light between 0..255."""
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self.update()
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return self._brightness
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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_DECORA_LED
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@property
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def should_poll(self):
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"""We can read the device state, so poll."""
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return True
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@property
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def assumed_state(self):
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"""We can read the actual state."""
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return False
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def set_state(self, brightness):
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"""Set the state of this lamp to the provided brightness."""
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initial = time.monotonic()
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while True:
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if time.monotonic() - initial >= 10:
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return None
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try:
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self._switch.set_brightness(brightness / 2.55)
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break
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except (DECORA_EXCEPTION, AttributeError):
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self._switch.connect()
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self._brightness = brightness
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return True
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def turn_on(self, **kwargs):
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"""Turn the specified or all lights on."""
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brightness = kwargs.get(ATTR_BRIGHTNESS)
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initial = time.monotonic()
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while True:
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if time.monotonic() - initial >= 10:
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return None
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try:
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self._switch.on()
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self._state = True
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break
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except (DECORA_EXCEPTION, AttributeError):
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self._switch.connect()
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if brightness is not None:
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self.set_state(brightness)
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def turn_off(self, **kwargs):
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"""Turn the specified or all lights off."""
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initial = time.monotonic()
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while True:
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if time.monotonic() - initial >= 10:
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return None
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try:
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self._switch.off()
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self._state = False
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break
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except (DECORA_EXCEPTION, AttributeError):
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self._switch.connect()
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def update(self):
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"""Synchronise internal state with the actual light state."""
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initial = time.monotonic()
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while True:
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if time.monotonic() - initial >= 10:
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return None
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try:
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self._brightness = self._switch.get_brightness() * 2.55
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self._state = self._switch.get_on()
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break
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except (DECORA_EXCEPTION, AttributeError):
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self._switch.connect()
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