forked from home-assistant/core
/
node_entity.py
286 lines (236 loc) · 9.31 KB
/
node_entity.py
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"""Entity class that represents Z-Wave node."""
import logging
from homeassistant.core import callback
from homeassistant.const import ATTR_BATTERY_LEVEL, ATTR_WAKEUP, ATTR_ENTITY_ID
from homeassistant.helpers.entity_registry import async_get_registry
from homeassistant.helpers.entity import Entity
from .const import (
ATTR_NODE_ID, COMMAND_CLASS_WAKE_UP, ATTR_SCENE_ID, ATTR_SCENE_DATA,
ATTR_BASIC_LEVEL, EVENT_NODE_EVENT, EVENT_SCENE_ACTIVATED,
COMMAND_CLASS_CENTRAL_SCENE, DOMAIN)
from .util import node_name, is_node_parsed
_LOGGER = logging.getLogger(__name__)
ATTR_QUERY_STAGE = 'query_stage'
ATTR_AWAKE = 'is_awake'
ATTR_READY = 'is_ready'
ATTR_FAILED = 'is_failed'
ATTR_PRODUCT_NAME = 'product_name'
ATTR_MANUFACTURER_NAME = 'manufacturer_name'
ATTR_NODE_NAME = 'node_name'
STAGE_COMPLETE = 'Complete'
_REQUIRED_ATTRIBUTES = [
ATTR_QUERY_STAGE, ATTR_AWAKE, ATTR_READY, ATTR_FAILED,
'is_info_received', 'max_baud_rate', 'is_zwave_plus']
_OPTIONAL_ATTRIBUTES = ['capabilities', 'neighbors', 'location']
_COMM_ATTRIBUTES = [
'sentCnt', 'sentFailed', 'retries', 'receivedCnt', 'receivedDups',
'receivedUnsolicited', 'sentTS', 'receivedTS', 'lastRequestRTT',
'averageRequestRTT', 'lastResponseRTT', 'averageResponseRTT']
ATTRIBUTES = _REQUIRED_ATTRIBUTES + _OPTIONAL_ATTRIBUTES
class ZWaveBaseEntity(Entity):
"""Base class for Z-Wave Node and Value entities."""
def __init__(self):
"""Initialize the base Z-Wave class."""
self._update_scheduled = False
def maybe_schedule_update(self):
"""Maybe schedule state update.
If value changed after device was created but before setup_platform
was called - skip updating state.
"""
if self.hass and not self._update_scheduled:
self.hass.add_job(self._schedule_update)
@callback
def _schedule_update(self):
"""Schedule delayed update."""
if self._update_scheduled:
return
@callback
def do_update():
"""Really update."""
self.hass.async_add_job(self.async_update_ha_state)
self._update_scheduled = False
self._update_scheduled = True
self.hass.loop.call_later(0.1, do_update)
def try_remove_and_add(self):
"""Remove this entity and add it back."""
async def _async_remove_and_add():
await self.async_remove()
self.entity_id = None
await self.platform.async_add_entities([self])
if self.hass and self.platform:
self.hass.add_job(_async_remove_and_add)
async def node_removed(self):
"""Call when a node is removed from the Z-Wave network."""
await self.async_remove()
registry = await async_get_registry(self.hass)
if self.entity_id not in registry.entities:
return
registry.async_remove(self.entity_id)
class ZWaveNodeEntity(ZWaveBaseEntity):
"""Representation of a Z-Wave node."""
def __init__(self, node, network):
"""Initialize node."""
# pylint: disable=import-error
super().__init__()
from openzwave.network import ZWaveNetwork
from pydispatch import dispatcher
self._network = network
self.node = node
self.node_id = self.node.node_id
self._name = node_name(self.node)
self._product_name = node.product_name
self._manufacturer_name = node.manufacturer_name
self._unique_id = self._compute_unique_id()
self._attributes = {}
self.wakeup_interval = None
self.location = None
self.battery_level = None
dispatcher.connect(
self.network_node_changed, ZWaveNetwork.SIGNAL_VALUE_CHANGED)
dispatcher.connect(self.network_node_changed, ZWaveNetwork.SIGNAL_NODE)
dispatcher.connect(
self.network_node_changed, ZWaveNetwork.SIGNAL_NOTIFICATION)
dispatcher.connect(
self.network_node_event, ZWaveNetwork.SIGNAL_NODE_EVENT)
dispatcher.connect(
self.network_scene_activated, ZWaveNetwork.SIGNAL_SCENE_EVENT)
@property
def unique_id(self):
"""Return unique ID of Z-wave node."""
return self._unique_id
@property
def device_info(self):
"""Return device information."""
info = {
'identifiers': {
(DOMAIN, self.node_id)
},
'manufacturer': self.node.manufacturer_name,
'model': self.node.product_name,
'name': node_name(self.node)
}
if self.node_id > 1:
info['via_device'] = (DOMAIN, 1)
return info
def network_node_changed(self, node=None, value=None, args=None):
"""Handle a changed node on the network."""
if node and node.node_id != self.node_id:
return
if args is not None and 'nodeId' in args and \
args['nodeId'] != self.node_id:
return
# Process central scene activation
if (value is not None and
value.command_class == COMMAND_CLASS_CENTRAL_SCENE):
self.central_scene_activated(value.index, value.data)
self.node_changed()
def get_node_statistics(self):
"""Retrieve statistics from the node."""
return self._network.manager.getNodeStatistics(
self._network.home_id, self.node_id)
def node_changed(self):
"""Update node properties."""
attributes = {}
stats = self.get_node_statistics()
for attr in ATTRIBUTES:
value = getattr(self.node, attr)
if attr in _REQUIRED_ATTRIBUTES or value:
attributes[attr] = value
for attr in _COMM_ATTRIBUTES:
attributes[attr] = stats[attr]
if self.node.can_wake_up():
for value in self.node.get_values(COMMAND_CLASS_WAKE_UP).values():
if value.index != 0:
continue
self.wakeup_interval = value.data
break
else:
self.wakeup_interval = None
self.battery_level = self.node.get_battery_level()
self._product_name = self.node.product_name
self._manufacturer_name = self.node.manufacturer_name
self._name = node_name(self.node)
self._attributes = attributes
if not self._unique_id:
self._unique_id = self._compute_unique_id()
if self._unique_id:
# Node info parsed. Remove and re-add
self.try_remove_and_add()
self.maybe_schedule_update()
def network_node_event(self, node, value):
"""Handle a node activated event on the network."""
if node.node_id == self.node.node_id:
self.node_event(value)
def node_event(self, value):
"""Handle a node activated event for this node."""
if self.hass is None:
return
self.hass.bus.fire(EVENT_NODE_EVENT, {
ATTR_ENTITY_ID: self.entity_id,
ATTR_NODE_ID: self.node.node_id,
ATTR_BASIC_LEVEL: value
})
def network_scene_activated(self, node, scene_id):
"""Handle a scene activated event on the network."""
if node.node_id == self.node.node_id:
self.scene_activated(scene_id)
def scene_activated(self, scene_id):
"""Handle an activated scene for this node."""
if self.hass is None:
return
self.hass.bus.fire(EVENT_SCENE_ACTIVATED, {
ATTR_ENTITY_ID: self.entity_id,
ATTR_NODE_ID: self.node.node_id,
ATTR_SCENE_ID: scene_id
})
def central_scene_activated(self, scene_id, scene_data):
"""Handle an activated central scene for this node."""
if self.hass is None:
return
self.hass.bus.fire(EVENT_SCENE_ACTIVATED, {
ATTR_ENTITY_ID: self.entity_id,
ATTR_NODE_ID: self.node_id,
ATTR_SCENE_ID: scene_id,
ATTR_SCENE_DATA: scene_data
})
@property
def state(self):
"""Return the state."""
if ATTR_READY not in self._attributes:
return None
if self._attributes[ATTR_FAILED]:
return 'dead'
if self._attributes[ATTR_QUERY_STAGE] != 'Complete':
return 'initializing'
if not self._attributes[ATTR_AWAKE]:
return 'sleeping'
if self._attributes[ATTR_READY]:
return 'ready'
return None
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def name(self):
"""Return the name of the device."""
return self._name
@property
def device_state_attributes(self):
"""Return the device specific state attributes."""
attrs = {
ATTR_NODE_ID: self.node_id,
ATTR_NODE_NAME: self._name,
ATTR_MANUFACTURER_NAME: self._manufacturer_name,
ATTR_PRODUCT_NAME: self._product_name,
}
attrs.update(self._attributes)
if self.battery_level is not None:
attrs[ATTR_BATTERY_LEVEL] = self.battery_level
if self.wakeup_interval is not None:
attrs[ATTR_WAKEUP] = self.wakeup_interval
return attrs
def _compute_unique_id(self):
if is_node_parsed(self.node) or self.node.is_ready:
return 'node-{}'.format(self.node_id)
return None