core/homeassistant/components/lock/__init__.py

148 lines
4.2 KiB
Python

"""
Component to interface with various locks that can be controlled remotely.
For more details about this component, please refer to the documentation
at https://home-assistant.io/components/lock/
"""
from datetime import timedelta
import logging
import os
import voluptuous as vol
from homeassistant.config import load_yaml_config_file
from homeassistant.helpers.entity_component import EntityComponent
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.config_validation import PLATFORM_SCHEMA # noqa
import homeassistant.helpers.config_validation as cv
from homeassistant.const import (
ATTR_CODE, ATTR_CODE_FORMAT, ATTR_ENTITY_ID, STATE_LOCKED, STATE_UNLOCKED,
STATE_UNKNOWN, SERVICE_LOCK, SERVICE_UNLOCK)
from homeassistant.components import (group, verisure, wink, zwave)
DOMAIN = 'lock'
SCAN_INTERVAL = 30
GROUP_NAME_ALL_LOCKS = 'all locks'
ENTITY_ID_ALL_LOCKS = group.ENTITY_ID_FORMAT.format('all_locks')
ENTITY_ID_FORMAT = DOMAIN + '.{}'
MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
# Maps discovered services to their platforms
DISCOVERY_PLATFORMS = {
wink.DISCOVER_LOCKS: 'wink',
verisure.DISCOVER_LOCKS: 'verisure',
zwave.DISCOVER_LOCKS: 'zwave',
}
LOCK_SERVICE_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
vol.Optional(ATTR_CODE): cv.string,
})
_LOGGER = logging.getLogger(__name__)
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)
def lock(hass, entity_id=None, code=None):
"""Lock all or specified locks."""
data = {}
if code:
data[ATTR_CODE] = code
if entity_id:
data[ATTR_ENTITY_ID] = entity_id
hass.services.call(DOMAIN, SERVICE_LOCK, data)
def unlock(hass, entity_id=None, code=None):
"""Unlock all or specified locks."""
data = {}
if code:
data[ATTR_CODE] = code
if entity_id:
data[ATTR_ENTITY_ID] = entity_id
hass.services.call(DOMAIN, SERVICE_UNLOCK, data)
def setup(hass, config):
"""Track states and offer events for locks."""
component = EntityComponent(
_LOGGER, DOMAIN, hass, SCAN_INTERVAL, DISCOVERY_PLATFORMS,
GROUP_NAME_ALL_LOCKS)
component.setup(config)
def handle_lock_service(service):
"""Handle calls to the lock services."""
target_locks = component.extract_from_service(service)
code = service.data.get(ATTR_CODE)
for item in target_locks:
if service.service == SERVICE_LOCK:
item.lock(code=code)
else:
item.unlock(code=code)
if item.should_poll:
item.update_ha_state(True)
descriptions = load_yaml_config_file(
os.path.join(os.path.dirname(__file__), 'services.yaml'))
hass.services.register(DOMAIN, SERVICE_UNLOCK, handle_lock_service,
descriptions.get(SERVICE_UNLOCK),
schema=LOCK_SERVICE_SCHEMA)
hass.services.register(DOMAIN, SERVICE_LOCK, handle_lock_service,
descriptions.get(SERVICE_LOCK),
schema=LOCK_SERVICE_SCHEMA)
return True
class LockDevice(Entity):
"""Representation of a lock."""
# pylint: disable=no-self-use
@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 unlock(self, **kwargs):
"""Unlock the lock."""
raise NotImplementedError()
@property
def state_attributes(self):
"""Return the state attributes."""
if self.code_format is None:
return None
state_attr = {
ATTR_CODE_FORMAT: self.code_format,
}
return state_attr
@property
def state(self):
"""Return the state."""
locked = self.is_locked
if locked is None:
return STATE_UNKNOWN
return STATE_LOCKED if locked else STATE_UNLOCKED