core/homeassistant/components/zha/lock.py

150 lines
4.8 KiB
Python

"""Locks on Zigbee Home Automation networks."""
import functools
import logging
from zigpy.zcl.foundation import Status
from homeassistant.components.lock import (
DOMAIN,
STATE_LOCKED,
STATE_UNLOCKED,
LockDevice,
)
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from .core.const import (
CHANNEL_DOORLOCK,
DATA_ZHA,
DATA_ZHA_DISPATCHERS,
SIGNAL_ATTR_UPDATED,
ZHA_DISCOVERY_NEW,
)
from .core.registries import ZHA_ENTITIES
from .entity import ZhaEntity
_LOGGER = logging.getLogger(__name__)
""" The first state is Zigbee 'Not fully locked' """
STATE_LIST = [STATE_UNLOCKED, STATE_LOCKED, STATE_UNLOCKED]
STRICT_MATCH = functools.partial(ZHA_ENTITIES.strict_match, DOMAIN)
VALUE_TO_STATE = dict(enumerate(STATE_LIST))
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Old way of setting up Zigbee Home Automation locks."""
pass
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up the Zigbee Home Automation Door Lock from config entry."""
async def async_discover(discovery_info):
await _async_setup_entities(
hass, config_entry, async_add_entities, [discovery_info]
)
unsub = async_dispatcher_connect(
hass, ZHA_DISCOVERY_NEW.format(DOMAIN), async_discover
)
hass.data[DATA_ZHA][DATA_ZHA_DISPATCHERS].append(unsub)
locks = hass.data.get(DATA_ZHA, {}).get(DOMAIN)
if locks is not None:
await _async_setup_entities(
hass, config_entry, async_add_entities, locks.values()
)
del hass.data[DATA_ZHA][DOMAIN]
async def _async_setup_entities(
hass, config_entry, async_add_entities, discovery_infos
):
"""Set up the ZHA locks."""
entities = []
for discovery_info in discovery_infos:
zha_dev = discovery_info["zha_device"]
channels = discovery_info["channels"]
entity = ZHA_ENTITIES.get_entity(DOMAIN, zha_dev, channels, ZhaDoorLock)
if entity:
entities.append(entity(**discovery_info))
if entities:
async_add_entities(entities, update_before_add=True)
@STRICT_MATCH(channel_names=CHANNEL_DOORLOCK)
class ZhaDoorLock(ZhaEntity, LockDevice):
"""Representation of a ZHA lock."""
def __init__(self, unique_id, zha_device, channels, **kwargs):
"""Init this sensor."""
super().__init__(unique_id, zha_device, channels, **kwargs)
self._doorlock_channel = self.cluster_channels.get(CHANNEL_DOORLOCK)
async def async_added_to_hass(self):
"""Run when about to be added to hass."""
await super().async_added_to_hass()
await self.async_accept_signal(
self._doorlock_channel, SIGNAL_ATTR_UPDATED, self.async_set_state
)
@callback
def async_restore_last_state(self, last_state):
"""Restore previous state."""
self._state = VALUE_TO_STATE.get(last_state.state, last_state.state)
@property
def is_locked(self) -> bool:
"""Return true if entity is locked."""
if self._state is None:
return False
return self._state == STATE_LOCKED
@property
def device_state_attributes(self):
"""Return state attributes."""
return self.state_attributes
async def async_lock(self, **kwargs):
"""Lock the lock."""
result = await self._doorlock_channel.lock_door()
if not isinstance(result, list) or result[0] is not Status.SUCCESS:
self.error("Error with lock_door: %s", result)
return
self.async_schedule_update_ha_state()
async def async_unlock(self, **kwargs):
"""Unlock the lock."""
result = await self._doorlock_channel.unlock_door()
if not isinstance(result, list) or result[0] is not Status.SUCCESS:
self.error("Error with unlock_door: %s", result)
return
self.async_schedule_update_ha_state()
async def async_update(self):
"""Attempt to retrieve state from the lock."""
await super().async_update()
await self.async_get_state()
def async_set_state(self, state):
"""Handle state update from channel."""
self._state = VALUE_TO_STATE.get(state, self._state)
self.async_schedule_update_ha_state()
async def async_get_state(self, from_cache=True):
"""Attempt to retrieve state from the lock."""
if self._doorlock_channel:
state = await self._doorlock_channel.get_attribute_value(
"lock_state", from_cache=from_cache
)
if state is not None:
self._state = VALUE_TO_STATE.get(state, self._state)
async def refresh(self, time):
"""Call async_get_state at an interval."""
await self.async_get_state(from_cache=False)