494 lines
14 KiB
Python
494 lines
14 KiB
Python
"""Support for RFXtrx devices."""
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import asyncio
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import binascii
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from collections import OrderedDict
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import logging
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import RFXtrx as rfxtrxmod
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.components.binary_sensor import DEVICE_CLASSES_SCHEMA
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from homeassistant.const import (
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CONF_COMMAND_OFF,
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CONF_COMMAND_ON,
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CONF_DEVICE,
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CONF_DEVICE_CLASS,
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CONF_DEVICE_ID,
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CONF_DEVICES,
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CONF_HOST,
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CONF_PORT,
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EVENT_HOMEASSISTANT_STOP,
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POWER_WATT,
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TEMP_CELSIUS,
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UNIT_PERCENTAGE,
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UV_INDEX,
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)
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from homeassistant.core import callback
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.restore_state import RestoreEntity
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from .const import (
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ATTR_EVENT,
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DEVICE_PACKET_TYPE_LIGHTING4,
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EVENT_RFXTRX_EVENT,
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SERVICE_SEND,
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)
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DOMAIN = "rfxtrx"
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DEFAULT_SIGNAL_REPETITIONS = 1
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CONF_FIRE_EVENT = "fire_event"
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CONF_DATA_BITS = "data_bits"
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CONF_AUTOMATIC_ADD = "automatic_add"
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CONF_SIGNAL_REPETITIONS = "signal_repetitions"
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CONF_DEBUG = "debug"
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CONF_OFF_DELAY = "off_delay"
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SIGNAL_EVENT = f"{DOMAIN}_event"
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DATA_TYPES = OrderedDict(
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[
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("Temperature", TEMP_CELSIUS),
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("Temperature2", TEMP_CELSIUS),
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("Humidity", UNIT_PERCENTAGE),
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("Barometer", ""),
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("Wind direction", ""),
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("Rain rate", ""),
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("Energy usage", POWER_WATT),
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("Total usage", POWER_WATT),
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("Sound", ""),
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("Sensor Status", ""),
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("Counter value", ""),
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("UV", UV_INDEX),
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("Humidity status", ""),
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("Forecast", ""),
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("Forecast numeric", ""),
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("Rain total", ""),
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("Wind average speed", ""),
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("Wind gust", ""),
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("Chill", ""),
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("Total usage", ""),
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("Count", ""),
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("Current Ch. 1", ""),
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("Current Ch. 2", ""),
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("Current Ch. 3", ""),
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("Energy usage", ""),
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("Voltage", ""),
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("Current", ""),
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("Battery numeric", UNIT_PERCENTAGE),
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("Rssi numeric", "dBm"),
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]
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)
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_LOGGER = logging.getLogger(__name__)
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DATA_RFXOBJECT = "rfxobject"
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DATA_LISTENER = "ha_stop"
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def _bytearray_string(data):
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val = cv.string(data)
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try:
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return bytearray.fromhex(val)
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except ValueError:
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raise vol.Invalid("Data must be a hex string with multiple of two characters")
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def _ensure_device(value):
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if value is None:
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return DEVICE_DATA_SCHEMA({})
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return DEVICE_DATA_SCHEMA(value)
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SERVICE_SEND_SCHEMA = vol.Schema({ATTR_EVENT: _bytearray_string})
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DEVICE_DATA_SCHEMA = vol.Schema(
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{
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vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
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vol.Optional(CONF_FIRE_EVENT, default=False): cv.boolean,
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vol.Optional(CONF_OFF_DELAY): vol.All(
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cv.time_period, cv.positive_timedelta, lambda value: value.total_seconds()
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),
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vol.Optional(CONF_DATA_BITS): cv.positive_int,
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vol.Optional(CONF_COMMAND_ON): cv.byte,
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vol.Optional(CONF_COMMAND_OFF): cv.byte,
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vol.Optional(CONF_SIGNAL_REPETITIONS, default=1): cv.positive_int,
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}
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)
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BASE_SCHEMA = vol.Schema(
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{
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vol.Optional(CONF_DEBUG, default=False): cv.boolean,
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vol.Optional(CONF_AUTOMATIC_ADD, default=False): cv.boolean,
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vol.Optional(CONF_DEVICES, default={}): {cv.string: _ensure_device},
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}
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)
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DEVICE_SCHEMA = BASE_SCHEMA.extend({vol.Required(CONF_DEVICE): cv.string})
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PORT_SCHEMA = BASE_SCHEMA.extend(
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{vol.Required(CONF_PORT): cv.port, vol.Optional(CONF_HOST): cv.string}
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)
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CONFIG_SCHEMA = vol.Schema(
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{DOMAIN: vol.Any(DEVICE_SCHEMA, PORT_SCHEMA)}, extra=vol.ALLOW_EXTRA
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)
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DOMAINS = ["switch", "sensor", "light", "binary_sensor", "cover"]
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async def async_setup(hass, config):
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"""Set up the RFXtrx component."""
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if DOMAIN not in config:
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return True
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data = {
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CONF_HOST: config[DOMAIN].get(CONF_HOST),
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CONF_PORT: config[DOMAIN].get(CONF_PORT),
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CONF_DEVICE: config[DOMAIN].get(CONF_DEVICE),
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CONF_DEBUG: config[DOMAIN].get(CONF_DEBUG),
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CONF_AUTOMATIC_ADD: config[DOMAIN].get(CONF_AUTOMATIC_ADD),
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CONF_DEVICES: config[DOMAIN][CONF_DEVICES],
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}
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# Read device_id from the event code add to the data that will end up in the ConfigEntry
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for event_code, event_config in data[CONF_DEVICES].items():
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event = get_rfx_object(event_code)
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device_id = get_device_id(
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event.device, data_bits=event_config.get(CONF_DATA_BITS)
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)
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event_config[CONF_DEVICE_ID] = device_id
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hass.async_create_task(
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hass.config_entries.flow.async_init(
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DOMAIN, context={"source": config_entries.SOURCE_IMPORT}, data=data,
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)
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)
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return True
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async def async_setup_entry(hass, entry: config_entries.ConfigEntry):
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"""Set up the RFXtrx component."""
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hass.data.setdefault(DOMAIN, {})
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await async_setup_internal(hass, entry)
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for domain in DOMAINS:
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hass.async_create_task(
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hass.config_entries.async_forward_entry_setup(entry, domain)
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)
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return True
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async def async_unload_entry(hass, entry: config_entries.ConfigEntry):
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"""Unload RFXtrx component."""
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if not all(
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await asyncio.gather(
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*[
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hass.config_entries.async_forward_entry_unload(entry, component)
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for component in DOMAINS
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]
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)
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):
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return False
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hass.services.async_remove(DOMAIN, SERVICE_SEND)
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listener = hass.data[DOMAIN][DATA_LISTENER]
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listener()
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rfx_object = hass.data[DOMAIN][DATA_RFXOBJECT]
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await hass.async_add_executor_job(rfx_object.close_connection)
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return True
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def _create_rfx(config):
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"""Construct a rfx object based on config."""
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if config[CONF_PORT] is not None:
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# If port is set then we create a TCP connection
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rfx = rfxtrxmod.Connect(
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(config[CONF_HOST], config[CONF_PORT]),
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None,
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debug=config[CONF_DEBUG],
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transport_protocol=rfxtrxmod.PyNetworkTransport,
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)
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else:
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rfx = rfxtrxmod.Connect(config[CONF_DEVICE], None, debug=config[CONF_DEBUG])
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return rfx
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def _get_device_lookup(devices):
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"""Get a lookup structure for devices."""
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lookup = dict()
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for event_code, event_config in devices.items():
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event = get_rfx_object(event_code)
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device_id = get_device_id(
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event.device, data_bits=event_config.get(CONF_DATA_BITS)
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)
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lookup[device_id] = event_config
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return lookup
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async def async_setup_internal(hass, entry: config_entries.ConfigEntry):
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"""Set up the RFXtrx component."""
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config = entry.data
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# Initialize library
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rfx_object = await hass.async_add_executor_job(_create_rfx, config)
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# Setup some per device config
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devices = _get_device_lookup(config[CONF_DEVICES])
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# Declare the Handle event
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@callback
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def async_handle_receive(event):
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"""Handle received messages from RFXtrx gateway."""
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# Log RFXCOM event
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if not event.device.id_string:
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return
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event_data = {
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"packet_type": event.device.packettype,
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"sub_type": event.device.subtype,
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"type_string": event.device.type_string,
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"id_string": event.device.id_string,
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"data": binascii.hexlify(event.data).decode("ASCII"),
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"values": getattr(event, "values", None),
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}
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_LOGGER.debug("Receive RFXCOM event: %s", event_data)
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data_bits = get_device_data_bits(event.device, devices)
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device_id = get_device_id(event.device, data_bits=data_bits)
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# Register new devices
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if config[CONF_AUTOMATIC_ADD] and device_id not in devices:
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_add_device(event, device_id)
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# Callback to HA registered components.
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hass.helpers.dispatcher.async_dispatcher_send(SIGNAL_EVENT, event, device_id)
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# Signal event to any other listeners
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fire_event = devices.get(device_id, {}).get(CONF_FIRE_EVENT)
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if fire_event:
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hass.bus.async_fire(EVENT_RFXTRX_EVENT, event_data)
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@callback
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def _add_device(event, device_id):
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"""Add a device to config entry."""
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config = DEVICE_DATA_SCHEMA({})
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config[CONF_DEVICE_ID] = device_id
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data = entry.data.copy()
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event_code = binascii.hexlify(event.data).decode("ASCII")
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data[CONF_DEVICES][event_code] = config
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hass.config_entries.async_update_entry(entry=entry, data=data)
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devices[device_id] = config
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def _shutdown_rfxtrx(event):
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"""Close connection with RFXtrx."""
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rfx_object.close_connection()
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listener = hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, _shutdown_rfxtrx)
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hass.data[DOMAIN][DATA_LISTENER] = listener
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hass.data[DOMAIN][DATA_RFXOBJECT] = rfx_object
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rfx_object.event_callback = lambda event: hass.add_job(async_handle_receive, event)
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def send(call):
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event = call.data[ATTR_EVENT]
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rfx_object.transport.send(event)
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hass.services.async_register(DOMAIN, SERVICE_SEND, send, schema=SERVICE_SEND_SCHEMA)
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def get_rfx_object(packetid):
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"""Return the RFXObject with the packetid."""
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try:
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binarypacket = bytearray.fromhex(packetid)
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except ValueError:
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return None
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pkt = rfxtrxmod.lowlevel.parse(binarypacket)
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if pkt is None:
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return None
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if isinstance(pkt, rfxtrxmod.lowlevel.SensorPacket):
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obj = rfxtrxmod.SensorEvent(pkt)
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elif isinstance(pkt, rfxtrxmod.lowlevel.Status):
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obj = rfxtrxmod.StatusEvent(pkt)
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else:
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obj = rfxtrxmod.ControlEvent(pkt)
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obj.data = binarypacket
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return obj
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def get_pt2262_deviceid(device_id, nb_data_bits):
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"""Extract and return the address bits from a Lighting4/PT2262 packet."""
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if nb_data_bits is None:
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return
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try:
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data = bytearray.fromhex(device_id)
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except ValueError:
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return None
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mask = 0xFF & ~((1 << nb_data_bits) - 1)
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data[len(data) - 1] &= mask
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return binascii.hexlify(data)
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def get_pt2262_cmd(device_id, data_bits):
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"""Extract and return the data bits from a Lighting4/PT2262 packet."""
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try:
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data = bytearray.fromhex(device_id)
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except ValueError:
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return None
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mask = 0xFF & ((1 << data_bits) - 1)
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return hex(data[-1] & mask)
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def get_device_data_bits(device, devices):
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"""Deduce data bits for device based on a cache of device bits."""
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data_bits = None
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if device.packettype == DEVICE_PACKET_TYPE_LIGHTING4:
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for device_id, entity_config in devices.items():
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bits = entity_config.get(CONF_DATA_BITS)
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if get_device_id(device, bits) == device_id:
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data_bits = bits
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break
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return data_bits
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def find_possible_pt2262_device(device_ids, device_id):
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"""Look for the device which id matches the given device_id parameter."""
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for dev_id in device_ids:
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if len(dev_id) == len(device_id):
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size = None
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for i, (char1, char2) in enumerate(zip(dev_id, device_id)):
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if char1 != char2:
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break
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size = i
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if size is not None:
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size = len(dev_id) - size - 1
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_LOGGER.info(
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"rfxtrx: found possible device %s for %s "
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"with the following configuration:\n"
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"data_bits=%d\n"
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"command_on=0x%s\n"
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"command_off=0x%s\n",
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device_id,
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dev_id,
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size * 4,
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dev_id[-size:],
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device_id[-size:],
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)
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return dev_id
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return None
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def get_device_id(device, data_bits=None):
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"""Calculate a device id for device."""
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id_string = device.id_string
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if data_bits and device.packettype == DEVICE_PACKET_TYPE_LIGHTING4:
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masked_id = get_pt2262_deviceid(id_string, data_bits)
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if masked_id:
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id_string = masked_id.decode("ASCII")
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return (f"{device.packettype:x}", f"{device.subtype:x}", id_string)
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class RfxtrxEntity(RestoreEntity):
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"""Represents a Rfxtrx device.
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Contains the common logic for Rfxtrx lights and switches.
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"""
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def __init__(self, device, device_id, event=None):
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"""Initialize the device."""
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self._name = f"{device.type_string} {device.id_string}"
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self._device = device
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self._event = event
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self._device_id = device_id
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self._unique_id = "_".join(x for x in self._device_id)
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async def async_added_to_hass(self):
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"""Restore RFXtrx device state (ON/OFF)."""
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if self._event:
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self._apply_event(self._event)
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self.async_on_remove(
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self.hass.helpers.dispatcher.async_dispatcher_connect(
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SIGNAL_EVENT, self._handle_event
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)
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)
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@property
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def should_poll(self):
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"""No polling needed for a RFXtrx switch."""
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return False
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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 device_state_attributes(self):
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"""Return the device state attributes."""
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if not self._event:
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return None
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return {ATTR_EVENT: "".join(f"{x:02x}" for x in self._event.data)}
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@property
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def assumed_state(self):
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"""Return true if unable to access real state of entity."""
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return True
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@property
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def unique_id(self):
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"""Return unique identifier of remote device."""
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return self._unique_id
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@property
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def device_info(self):
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"""Return the device info."""
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return {
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"identifiers": {(DOMAIN, *self._device_id)},
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"name": f"{self._device.type_string} {self._device.id_string}",
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"model": self._device.type_string,
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}
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def _apply_event(self, event):
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"""Apply a received event."""
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self._event = event
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@callback
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def _handle_event(self, event, device_id):
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"""Handle a reception of data, overridden by other classes."""
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class RfxtrxCommandEntity(RfxtrxEntity):
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"""Represents a Rfxtrx device.
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Contains the common logic for Rfxtrx lights and switches.
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"""
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def __init__(self, device, device_id, signal_repetitions=1, event=None):
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"""Initialzie a switch or light device."""
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super().__init__(device, device_id, event=event)
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self.signal_repetitions = signal_repetitions
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self._state = None
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async def _async_send(self, fun, *args):
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rfx_object = self.hass.data[DOMAIN][DATA_RFXOBJECT]
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for _ in range(self.signal_repetitions):
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await self.hass.async_add_executor_job(fun, rfx_object.transport, *args)
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