mirror of
https://github.com/home-assistant/core
synced 2024-09-03 08:14:07 +02:00
159 lines
5.0 KiB
Python
159 lines
5.0 KiB
Python
"""
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Fans on Zigbee Home Automation networks.
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For more details on this platform, please refer to the documentation
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at https://home-assistant.io/components/fan.zha/
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"""
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import logging
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from homeassistant.components.fan import (
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DOMAIN, SPEED_HIGH, SPEED_LOW, SPEED_MEDIUM, SPEED_OFF, SUPPORT_SET_SPEED,
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FanEntity)
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from . import helpers
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from .const import (
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DATA_ZHA, DATA_ZHA_DISPATCHERS, REPORT_CONFIG_OP, ZHA_DISCOVERY_NEW)
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from .entities import ZhaEntity
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DEPENDENCIES = ['zha']
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_LOGGER = logging.getLogger(__name__)
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# Additional speeds in zigbee's ZCL
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# Spec is unclear as to what this value means. On King Of Fans HBUniversal
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# receiver, this means Very High.
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SPEED_ON = 'on'
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# The fan speed is self-regulated
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SPEED_AUTO = 'auto'
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# When the heated/cooled space is occupied, the fan is always on
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SPEED_SMART = 'smart'
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SPEED_LIST = [
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SPEED_OFF,
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SPEED_LOW,
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SPEED_MEDIUM,
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SPEED_HIGH,
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SPEED_ON,
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SPEED_AUTO,
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SPEED_SMART
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]
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VALUE_TO_SPEED = {i: speed for i, speed in enumerate(SPEED_LIST)}
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SPEED_TO_VALUE = {speed: i for i, speed in enumerate(SPEED_LIST)}
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async def async_setup_platform(hass, config, async_add_entities,
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discovery_info=None):
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"""Old way of setting up Zigbee Home Automation fans."""
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pass
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up the Zigbee Home Automation fan from config entry."""
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async def async_discover(discovery_info):
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await _async_setup_entities(hass, config_entry, async_add_entities,
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[discovery_info])
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unsub = async_dispatcher_connect(
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hass, ZHA_DISCOVERY_NEW.format(DOMAIN), async_discover)
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hass.data[DATA_ZHA][DATA_ZHA_DISPATCHERS].append(unsub)
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fans = hass.data.get(DATA_ZHA, {}).get(DOMAIN)
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if fans is not None:
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await _async_setup_entities(hass, config_entry, async_add_entities,
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fans.values())
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del hass.data[DATA_ZHA][DOMAIN]
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async def _async_setup_entities(hass, config_entry, async_add_entities,
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discovery_infos):
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"""Set up the ZHA fans."""
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entities = []
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for discovery_info in discovery_infos:
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entities.append(ZhaFan(**discovery_info))
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async_add_entities(entities, update_before_add=True)
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class ZhaFan(ZhaEntity, FanEntity):
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"""Representation of a ZHA fan."""
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_domain = DOMAIN
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value_attribute = 0 # fan_mode
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@property
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def zcl_reporting_config(self) -> dict:
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"""Return a dict of attribute reporting configuration."""
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return {
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self.cluster: {self.value_attribute: REPORT_CONFIG_OP}
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}
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@property
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def cluster(self):
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"""Fan ZCL Cluster."""
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return self._endpoint.fan
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@property
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def supported_features(self) -> int:
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"""Flag supported features."""
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return SUPPORT_SET_SPEED
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@property
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def speed_list(self) -> list:
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"""Get the list of available speeds."""
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return SPEED_LIST
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@property
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def speed(self) -> str:
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"""Return the current speed."""
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return self._state
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@property
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def is_on(self) -> bool:
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"""Return true if entity is on."""
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if self._state is None:
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return False
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return self._state != SPEED_OFF
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async def async_turn_on(self, speed: str = None, **kwargs) -> None:
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"""Turn the entity on."""
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if speed is None:
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speed = SPEED_MEDIUM
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await self.async_set_speed(speed)
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async def async_turn_off(self, **kwargs) -> None:
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"""Turn the entity off."""
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await self.async_set_speed(SPEED_OFF)
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async def async_set_speed(self, speed: str) -> None:
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"""Set the speed of the fan."""
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from zigpy.exceptions import DeliveryError
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try:
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await self._endpoint.fan.write_attributes(
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{'fan_mode': SPEED_TO_VALUE[speed]}
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)
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except DeliveryError as ex:
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_LOGGER.error("%s: Could not set speed: %s", self.entity_id, ex)
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return
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self._state = speed
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self.async_schedule_update_ha_state()
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async def async_update(self):
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"""Retrieve latest state."""
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result = await helpers.safe_read(self.cluster, ['fan_mode'],
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allow_cache=False,
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only_cache=(not self._initialized))
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new_value = result.get('fan_mode', None)
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self._state = VALUE_TO_SPEED.get(new_value, None)
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def attribute_updated(self, attribute, value):
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"""Handle attribute update from device."""
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attr_name = self.cluster.attributes.get(attribute, [attribute])[0]
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_LOGGER.debug("%s: Attribute report '%s'[%s] = %s",
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self.entity_id, self.cluster.name, attr_name, value)
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if attribute == self.value_attribute:
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self._state = VALUE_TO_SPEED.get(value, self._state)
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self.async_schedule_update_ha_state()
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