d783293a21
* Add support for HSV encoded color light * Add debug logs for entity config * Unset color when going to white mode
310 lines
9.8 KiB
Python
310 lines
9.8 KiB
Python
"""Code shared between all platforms."""
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import asyncio
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import logging
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from random import randrange
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from homeassistant.const import (
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CONF_DEVICE_ID,
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CONF_ENTITIES,
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CONF_FRIENDLY_NAME,
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CONF_HOST,
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CONF_ID,
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CONF_PLATFORM,
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)
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import (
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async_dispatcher_connect,
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async_dispatcher_send,
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)
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from homeassistant.helpers.entity import Entity
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from . import pytuya
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from .const import CONF_LOCAL_KEY, CONF_PROTOCOL_VERSION, DOMAIN, TUYA_DEVICE
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_LOGGER = logging.getLogger(__name__)
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BACKOFF_TIME_UPPER_LIMIT = 300 # Five minutes
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def prepare_setup_entities(hass, config_entry, platform):
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"""Prepare ro setup entities for a platform."""
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entities_to_setup = [
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entity
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for entity in config_entry.data[CONF_ENTITIES]
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if entity[CONF_PLATFORM] == platform
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]
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if not entities_to_setup:
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return None, None
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tuyainterface = hass.data[DOMAIN][config_entry.entry_id][TUYA_DEVICE]
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return tuyainterface, entities_to_setup
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async def async_setup_entry(
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domain, entity_class, flow_schema, hass, config_entry, async_add_entities
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):
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"""Set up a Tuya platform based on a config entry.
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This is a generic method and each platform should lock domain and
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entity_class with functools.partial.
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"""
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tuyainterface, entities_to_setup = prepare_setup_entities(
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hass, config_entry, domain
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)
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if not entities_to_setup:
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return
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dps_config_fields = list(get_dps_for_platform(flow_schema))
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entities = []
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for device_config in entities_to_setup:
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# Add DPS used by this platform to the request list
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for dp_conf in dps_config_fields:
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if dp_conf in device_config:
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tuyainterface._dps_to_request[device_config[dp_conf]] = None
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entities.append(
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entity_class(
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tuyainterface,
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config_entry,
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device_config[CONF_ID],
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)
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)
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async_add_entities(entities)
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def get_dps_for_platform(flow_schema):
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"""Return config keys for all platform keys that depends on a datapoint."""
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for key, value in flow_schema(None).items():
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if hasattr(value, "container") and value.container is None:
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yield key.schema
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def get_entity_config(config_entry, dp_id):
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"""Return entity config for a given DPS id."""
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for entity in config_entry.data[CONF_ENTITIES]:
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if entity[CONF_ID] == dp_id:
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return entity
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raise Exception(f"missing entity config for id {dp_id}")
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class TuyaDevice(pytuya.TuyaListener):
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"""Cache wrapper for pytuya.TuyaInterface."""
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def __init__(self, hass, config_entry):
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"""Initialize the cache."""
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self._hass = hass
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self._config_entry = config_entry
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self._interface = None
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self._status = {}
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self._dps_to_request = {}
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self._is_closing = False
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self._connect_task = None
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self._connection_attempts = 0
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# This has to be done in case the device type is type_0d
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for entity in config_entry[CONF_ENTITIES]:
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self._dps_to_request[entity[CONF_ID]] = None
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def connect(self):
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"""Connet to device if not already connected."""
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if not self._is_closing and self._connect_task is None and not self._interface:
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_LOGGER.debug(
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"Connecting to %s (%s)",
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self._config_entry[CONF_HOST],
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self._config_entry[CONF_DEVICE_ID],
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)
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self._connect_task = asyncio.ensure_future(self._make_connection())
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else:
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_LOGGER.debug(
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"Already connecting to %s (%s) - %s, %s, %s",
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self._config_entry[CONF_HOST],
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self._config_entry[CONF_DEVICE_ID],
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self._is_closing,
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self._connect_task,
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self._interface,
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)
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async def _make_connection(self):
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backoff = min(
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randrange(2 ** self._connection_attempts), BACKOFF_TIME_UPPER_LIMIT
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)
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_LOGGER.debug("Waiting %d seconds before connecting", backoff)
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await asyncio.sleep(backoff)
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try:
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_LOGGER.debug("Connecting to %s", self._config_entry[CONF_HOST])
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self._interface = await pytuya.connect(
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self._config_entry[CONF_HOST],
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self._config_entry[CONF_DEVICE_ID],
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self._config_entry[CONF_LOCAL_KEY],
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float(self._config_entry[CONF_PROTOCOL_VERSION]),
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self,
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)
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self._interface.add_dps_to_request(self._dps_to_request)
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_LOGGER.debug("Retrieving initial state")
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status = await self._interface.status()
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if status is None:
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raise Exception("Failed to retrieve status")
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self.status_updated(status)
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self._connection_attempts = 0
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except Exception:
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_LOGGER.exception(f"Connect to {self._config_entry[CONF_HOST]} failed")
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self._connection_attempts += 1
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if self._interface is not None:
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self._interface.close()
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self._interface = None
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self._hass.loop.call_soon(self.connect)
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self._connect_task = None
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def close(self):
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"""Close connection and stop re-connect loop."""
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self._is_closing = True
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if self._connect_task:
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self._connect_task.cancel()
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if self._interface:
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self._interface.close()
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async def set_dp(self, state, dp_index):
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"""Change value of a DP of the Tuya device."""
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if self._interface is not None:
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try:
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await self._interface.set_dp(state, dp_index)
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except Exception:
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_LOGGER.exception("Failed to set DP %d to %d", dp_index, state)
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else:
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_LOGGER.error(
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"Not connected to device %s", self._config_entry[CONF_FRIENDLY_NAME]
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)
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@callback
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def status_updated(self, status):
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"""Device updated status."""
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self._status.update(status)
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signal = f"localtuya_{self._config_entry[CONF_DEVICE_ID]}"
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async_dispatcher_send(self._hass, signal, self._status)
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@callback
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def disconnected(self, exc):
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"""Device disconnected."""
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_LOGGER.debug(
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"Disconnected from %s: %s", self._config_entry[CONF_DEVICE_ID], exc
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)
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signal = f"localtuya_{self._config_entry[CONF_DEVICE_ID]}"
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async_dispatcher_send(self._hass, signal, None)
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self._interface = None
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self.connect()
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class LocalTuyaEntity(Entity):
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"""Representation of a Tuya entity."""
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def __init__(self, device, config_entry, dp_id, **kwargs):
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"""Initialize the Tuya entity."""
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self._device = device
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self._config_entry = config_entry
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self._config = get_entity_config(config_entry, dp_id)
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self._dp_id = dp_id
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self._status = {}
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async def async_added_to_hass(self):
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"""Subscribe localtuya events."""
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await super().async_added_to_hass()
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_LOGGER.debug("Adding %s with configuration: %s", self.entity_id, self._config)
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def _update_handler(status):
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"""Update entity state when status was updated."""
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if status is not None:
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self._status = status
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self.status_updated()
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else:
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self._status = {}
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self.schedule_update_ha_state()
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signal = f"localtuya_{self._config_entry.data[CONF_DEVICE_ID]}"
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self.async_on_remove(
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async_dispatcher_connect(self.hass, signal, _update_handler)
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)
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@property
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def device_info(self):
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"""Return device information for the device registry."""
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return {
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"identifiers": {
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# Serial numbers are unique identifiers within a specific domain
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(DOMAIN, f"local_{self._config_entry.data[CONF_DEVICE_ID]}")
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},
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"name": self._config_entry.data[CONF_FRIENDLY_NAME],
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"manufacturer": "Unknown",
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"model": "Tuya generic",
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"sw_version": self._config_entry.data[CONF_PROTOCOL_VERSION],
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}
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@property
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def name(self):
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"""Get name of Tuya entity."""
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return self._config[CONF_FRIENDLY_NAME]
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@property
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def should_poll(self):
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"""Return if platform should poll for updates."""
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return False
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@property
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def unique_id(self):
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"""Return unique device identifier."""
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return f"local_{self._config_entry.data[CONF_DEVICE_ID]}_{self._dp_id}"
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def has_config(self, attr):
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"""Return if a config parameter has a valid value."""
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value = self._config.get(attr, "-1")
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return value is not None and value != "-1"
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@property
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def available(self):
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"""Return if device is available or not."""
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return str(self._dp_id) in self._status
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def dps(self, dp_index):
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"""Return cached value for DPS index."""
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value = self._status.get(str(dp_index))
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if value is None:
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_LOGGER.warning(
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"Entity %s is requesting unknown DPS index %s",
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self.entity_id,
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dp_index,
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)
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return value
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def dps_conf(self, conf_item):
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"""Return value of datapoint for user specified config item.
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This method looks up which DP a certain config item uses based on
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user configuration and returns its value.
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"""
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dp_index = self._config.get(conf_item)
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if dp_index is None:
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_LOGGER.warning(
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"Entity %s is requesting unset index for option %s",
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self.entity_id,
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conf_item,
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)
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return self.dps(dp_index)
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def status_updated(self):
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"""Device status was updated.
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Override in subclasses and update entity specific state.
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"""
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