103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
"""Switches on Zigbee Home Automation networks."""
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import functools
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import logging
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from zigpy.zcl.foundation import Status
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from homeassistant.components.switch import DOMAIN, SwitchDevice
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from homeassistant.const import STATE_ON
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from .core import discovery
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from .core.const import (
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CHANNEL_ON_OFF,
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DATA_ZHA,
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DATA_ZHA_DISPATCHERS,
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SIGNAL_ADD_ENTITIES,
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SIGNAL_ATTR_UPDATED,
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)
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from .core.registries import ZHA_ENTITIES
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from .entity import ZhaEntity
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_LOGGER = logging.getLogger(__name__)
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STRICT_MATCH = functools.partial(ZHA_ENTITIES.strict_match, DOMAIN)
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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 switch from config entry."""
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entities_to_create = hass.data[DATA_ZHA][DOMAIN] = []
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unsub = async_dispatcher_connect(
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hass,
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SIGNAL_ADD_ENTITIES,
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functools.partial(
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discovery.async_add_entities, async_add_entities, entities_to_create
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),
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)
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hass.data[DATA_ZHA][DATA_ZHA_DISPATCHERS].append(unsub)
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@STRICT_MATCH(channel_names=CHANNEL_ON_OFF)
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class Switch(ZhaEntity, SwitchDevice):
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"""ZHA switch."""
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def __init__(self, unique_id, zha_device, channels, **kwargs):
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"""Initialize the ZHA switch."""
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super().__init__(unique_id, zha_device, channels, **kwargs)
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self._on_off_channel = self.cluster_channels.get(CHANNEL_ON_OFF)
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@property
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def is_on(self) -> bool:
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"""Return if the switch is on based on the statemachine."""
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if self._state is None:
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return False
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return self._state
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async def async_turn_on(self, **kwargs):
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"""Turn the entity on."""
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result = await self._on_off_channel.on()
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if not isinstance(result, list) or result[1] is not Status.SUCCESS:
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return
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self._state = True
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self.async_schedule_update_ha_state()
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async def async_turn_off(self, **kwargs):
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"""Turn the entity off."""
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result = await self._on_off_channel.off()
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if not isinstance(result, list) or result[1] is not Status.SUCCESS:
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return
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self._state = False
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self.async_schedule_update_ha_state()
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@callback
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def async_set_state(self, attr_id, attr_name, value):
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"""Handle state update from channel."""
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self._state = bool(value)
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self.async_schedule_update_ha_state()
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@property
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def device_state_attributes(self):
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"""Return state attributes."""
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return self.state_attributes
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async def async_added_to_hass(self):
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"""Run when about to be added to hass."""
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await super().async_added_to_hass()
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await self.async_accept_signal(
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self._on_off_channel, SIGNAL_ATTR_UPDATED, self.async_set_state
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)
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@callback
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def async_restore_last_state(self, last_state):
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"""Restore previous state."""
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self._state = last_state.state == STATE_ON
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async def async_update(self):
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"""Attempt to retrieve on off state from the switch."""
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await super().async_update()
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if self._on_off_channel:
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state = await self._on_off_channel.get_attribute_value("on_off")
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if state is not None:
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self._state = state
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