ha-core/homeassistant/components/lock/__init__.py

159 lines
4.2 KiB
Python

"""Component to interface with locks that can be controlled remotely."""
from datetime import timedelta
import functools as ft
import logging
import voluptuous as vol
from homeassistant.loader import bind_hass
from homeassistant.helpers.entity_component import EntityComponent
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.config_validation import ( # noqa
ENTITY_SERVICE_SCHEMA,
PLATFORM_SCHEMA,
PLATFORM_SCHEMA_BASE,
)
import homeassistant.helpers.config_validation as cv
from homeassistant.const import (
ATTR_CODE,
ATTR_CODE_FORMAT,
STATE_LOCKED,
STATE_UNLOCKED,
SERVICE_LOCK,
SERVICE_UNLOCK,
SERVICE_OPEN,
)
from homeassistant.components import group
# mypy: allow-untyped-defs, no-check-untyped-defs
ATTR_CHANGED_BY = "changed_by"
DOMAIN = "lock"
SCAN_INTERVAL = timedelta(seconds=30)
ENTITY_ID_ALL_LOCKS = group.ENTITY_ID_FORMAT.format("all_locks")
ENTITY_ID_FORMAT = DOMAIN + ".{}"
GROUP_NAME_ALL_LOCKS = "all locks"
MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
LOCK_SERVICE_SCHEMA = ENTITY_SERVICE_SCHEMA.extend({vol.Optional(ATTR_CODE): cv.string})
# Bitfield of features supported by the lock entity
SUPPORT_OPEN = 1
_LOGGER = logging.getLogger(__name__)
PROP_TO_ATTR = {"changed_by": ATTR_CHANGED_BY, "code_format": ATTR_CODE_FORMAT}
@bind_hass
def is_locked(hass, entity_id=None):
"""Return if the lock is locked based on the statemachine."""
entity_id = entity_id or ENTITY_ID_ALL_LOCKS
return hass.states.is_state(entity_id, STATE_LOCKED)
async def async_setup(hass, config):
"""Track states and offer events for locks."""
component = hass.data[DOMAIN] = EntityComponent(
_LOGGER, DOMAIN, hass, SCAN_INTERVAL, GROUP_NAME_ALL_LOCKS
)
await component.async_setup(config)
component.async_register_entity_service(
SERVICE_UNLOCK, LOCK_SERVICE_SCHEMA, "async_unlock"
)
component.async_register_entity_service(
SERVICE_LOCK, LOCK_SERVICE_SCHEMA, "async_lock"
)
component.async_register_entity_service(
SERVICE_OPEN, LOCK_SERVICE_SCHEMA, "async_open"
)
return True
async def async_setup_entry(hass, entry):
"""Set up a config entry."""
return await hass.data[DOMAIN].async_setup_entry(entry)
async def async_unload_entry(hass, entry):
"""Unload a config entry."""
return await hass.data[DOMAIN].async_unload_entry(entry)
class LockDevice(Entity):
"""Representation of a lock."""
@property
def changed_by(self):
"""Last change triggered by."""
return None
@property
def code_format(self):
"""Regex for code format or None if no code is required."""
return None
@property
def is_locked(self):
"""Return true if the lock is locked."""
return None
def lock(self, **kwargs):
"""Lock the lock."""
raise NotImplementedError()
def async_lock(self, **kwargs):
"""Lock the lock.
This method must be run in the event loop and returns a coroutine.
"""
return self.hass.async_add_job(ft.partial(self.lock, **kwargs))
def unlock(self, **kwargs):
"""Unlock the lock."""
raise NotImplementedError()
def async_unlock(self, **kwargs):
"""Unlock the lock.
This method must be run in the event loop and returns a coroutine.
"""
return self.hass.async_add_job(ft.partial(self.unlock, **kwargs))
def open(self, **kwargs):
"""Open the door latch."""
raise NotImplementedError()
def async_open(self, **kwargs):
"""Open the door latch.
This method must be run in the event loop and returns a coroutine.
"""
return self.hass.async_add_job(ft.partial(self.open, **kwargs))
@property
def state_attributes(self):
"""Return the state attributes."""
state_attr = {}
for prop, attr in PROP_TO_ATTR.items():
value = getattr(self, prop)
if value is not None:
state_attr[attr] = value
return state_attr
@property
def state(self):
"""Return the state."""
locked = self.is_locked
if locked is None:
return None
return STATE_LOCKED if locked else STATE_UNLOCKED