core/homeassistant/components/zha/entities/entity.py

111 lines
3.7 KiB
Python

"""
Entity for Zigbee Home Automation.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/zha/
"""
from homeassistant.components.zha.const import (
DATA_ZHA, DATA_ZHA_BRIDGE_ID, DOMAIN)
from homeassistant.core import callback
from homeassistant.helpers import entity
from homeassistant.helpers.device_registry import CONNECTION_ZIGBEE
from homeassistant.util import slugify
class ZhaEntity(entity.Entity):
"""A base class for ZHA entities."""
_domain = None # Must be overridden by subclasses
def __init__(self, endpoint, in_clusters, out_clusters, manufacturer,
model, application_listener, unique_id, **kwargs):
"""Init ZHA entity."""
self._device_state_attributes = {}
ieee = endpoint.device.ieee
ieeetail = ''.join(['%02x' % (o, ) for o in ieee[-4:]])
if manufacturer and model is not None:
self.entity_id = "{}.{}_{}_{}_{}{}".format(
self._domain,
slugify(manufacturer),
slugify(model),
ieeetail,
endpoint.endpoint_id,
kwargs.get('entity_suffix', ''),
)
self._device_state_attributes['friendly_name'] = "{} {}".format(
manufacturer,
model,
)
else:
self.entity_id = "{}.zha_{}_{}{}".format(
self._domain,
ieeetail,
endpoint.endpoint_id,
kwargs.get('entity_suffix', ''),
)
self._endpoint = endpoint
self._in_clusters = in_clusters
self._out_clusters = out_clusters
self._state = None
self._unique_id = unique_id
# Normally the entity itself is the listener. Sub-classes may set this
# to a dict of cluster ID -> listener to receive messages for specific
# clusters separately
self._in_listeners = {}
self._out_listeners = {}
self._initialized = False
application_listener.register_entity(ieee, self)
async def async_added_to_hass(self):
"""Handle entity addition to hass.
It is now safe to update the entity state
"""
for cluster_id, cluster in self._in_clusters.items():
cluster.add_listener(self._in_listeners.get(cluster_id, self))
for cluster_id, cluster in self._out_clusters.items():
cluster.add_listener(self._out_listeners.get(cluster_id, self))
self._initialized = True
@property
def unique_id(self) -> str:
"""Return a unique ID."""
return self._unique_id
@property
def device_state_attributes(self):
"""Return device specific state attributes."""
return self._device_state_attributes
@callback
def attribute_updated(self, attribute, value):
"""Handle an attribute updated on this cluster."""
pass
@callback
def zdo_command(self, tsn, command_id, args):
"""Handle a ZDO command received on this cluster."""
pass
@property
def device_info(self):
"""Return a device description for device registry."""
ieee = str(self._endpoint.device.ieee)
return {
'connections': {(CONNECTION_ZIGBEE, ieee)},
'identifiers': {(DOMAIN, ieee)},
'manufacturer': self._endpoint.manufacturer,
'model': self._endpoint.model,
'name': self._device_state_attributes.get('friendly_name', ieee),
'via_hub': (DOMAIN, self.hass.data[DATA_ZHA][DATA_ZHA_BRIDGE_ID]),
}
@callback
def zha_send_event(self, cluster, command, args):
"""Relay entity events to hass."""
pass # don't relay events from entities