core/homeassistant/components/zha/__init__.py

546 lines
19 KiB
Python

"""
Support for Zigbee Home Automation devices.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/zha/
"""
import collections
import enum
import logging
import time
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant import const as ha_const
from homeassistant.helpers import discovery, entity
from homeassistant.util import slugify
from homeassistant.helpers.entity_component import EntityComponent
REQUIREMENTS = [
'bellows==0.7.0',
'zigpy==0.2.0',
'zigpy-xbee==0.1.1',
]
DOMAIN = 'zha'
class RadioType(enum.Enum):
"""Possible options for radio type in config."""
ezsp = 'ezsp'
xbee = 'xbee'
CONF_BAUDRATE = 'baudrate'
CONF_DATABASE = 'database_path'
CONF_DEVICE_CONFIG = 'device_config'
CONF_RADIO_TYPE = 'radio_type'
CONF_USB_PATH = 'usb_path'
DATA_DEVICE_CONFIG = 'zha_device_config'
DEVICE_CONFIG_SCHEMA_ENTRY = vol.Schema({
vol.Optional(ha_const.CONF_TYPE): cv.string,
})
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Optional(CONF_RADIO_TYPE, default='ezsp'): cv.enum(RadioType),
CONF_USB_PATH: cv.string,
vol.Optional(CONF_BAUDRATE, default=57600): cv.positive_int,
CONF_DATABASE: cv.string,
vol.Optional(CONF_DEVICE_CONFIG, default={}):
vol.Schema({cv.string: DEVICE_CONFIG_SCHEMA_ENTRY}),
})
}, extra=vol.ALLOW_EXTRA)
ATTR_DURATION = 'duration'
ATTR_IEEE = 'ieee_address'
SERVICE_PERMIT = 'permit'
SERVICE_REMOVE = 'remove'
SERVICE_SCHEMAS = {
SERVICE_PERMIT: vol.Schema({
vol.Optional(ATTR_DURATION, default=60):
vol.All(vol.Coerce(int), vol.Range(1, 254)),
}),
SERVICE_REMOVE: vol.Schema({
vol.Required(ATTR_IEEE): cv.string,
}),
}
# Zigbee definitions
CENTICELSIUS = 'C-100'
# Key in hass.data dict containing discovery info
DISCOVERY_KEY = 'zha_discovery_info'
# Internal definitions
APPLICATION_CONTROLLER = None
_LOGGER = logging.getLogger(__name__)
async def async_setup(hass, config):
"""Set up ZHA.
Will automatically load components to support devices found on the network.
"""
global APPLICATION_CONTROLLER
usb_path = config[DOMAIN].get(CONF_USB_PATH)
baudrate = config[DOMAIN].get(CONF_BAUDRATE)
radio_type = config[DOMAIN].get(CONF_RADIO_TYPE)
if radio_type == RadioType.ezsp:
import bellows.ezsp
from bellows.zigbee.application import ControllerApplication
radio = bellows.ezsp.EZSP()
elif radio_type == RadioType.xbee:
import zigpy_xbee.api
from zigpy_xbee.zigbee.application import ControllerApplication
radio = zigpy_xbee.api.XBee()
await radio.connect(usb_path, baudrate)
database = config[DOMAIN].get(CONF_DATABASE)
APPLICATION_CONTROLLER = ControllerApplication(radio, database)
listener = ApplicationListener(hass, config)
APPLICATION_CONTROLLER.add_listener(listener)
await APPLICATION_CONTROLLER.startup(auto_form=True)
for device in APPLICATION_CONTROLLER.devices.values():
hass.async_create_task(
listener.async_device_initialized(device, False))
async def permit(service):
"""Allow devices to join this network."""
duration = service.data.get(ATTR_DURATION)
_LOGGER.info("Permitting joins for %ss", duration)
await APPLICATION_CONTROLLER.permit(duration)
hass.services.async_register(DOMAIN, SERVICE_PERMIT, permit,
schema=SERVICE_SCHEMAS[SERVICE_PERMIT])
async def remove(service):
"""Remove a node from the network."""
from bellows.types import EmberEUI64, uint8_t
ieee = service.data.get(ATTR_IEEE)
ieee = EmberEUI64([uint8_t(p, base=16) for p in ieee.split(':')])
_LOGGER.info("Removing node %s", ieee)
await APPLICATION_CONTROLLER.remove(ieee)
hass.services.async_register(DOMAIN, SERVICE_REMOVE, remove,
schema=SERVICE_SCHEMAS[SERVICE_REMOVE])
return True
class ApplicationListener:
"""All handlers for events that happen on the ZigBee application."""
def __init__(self, hass, config):
"""Initialize the listener."""
self._hass = hass
self._config = config
self._component = EntityComponent(_LOGGER, DOMAIN, hass)
self._device_registry = collections.defaultdict(list)
hass.data[DISCOVERY_KEY] = hass.data.get(DISCOVERY_KEY, {})
def device_joined(self, device):
"""Handle device joined.
At this point, no information about the device is known other than its
address
"""
# Wait for device_initialized, instead
pass
def raw_device_initialized(self, device):
"""Handle a device initialization without quirks loaded."""
# Wait for device_initialized, instead
pass
def device_initialized(self, device):
"""Handle device joined and basic information discovered."""
self._hass.async_create_task(
self.async_device_initialized(device, True))
def device_left(self, device):
"""Handle device leaving the network."""
pass
def device_removed(self, device):
"""Handle device being removed from the network."""
for device_entity in self._device_registry[device.ieee]:
self._hass.async_create_task(device_entity.async_remove())
async def async_device_initialized(self, device, join):
"""Handle device joined and basic information discovered (async)."""
import zigpy.profiles
import homeassistant.components.zha.const as zha_const
zha_const.populate_data()
device_manufacturer = device_model = None
for endpoint_id, endpoint in device.endpoints.items():
if endpoint_id == 0: # ZDO
continue
if endpoint.manufacturer is not None:
device_manufacturer = endpoint.manufacturer
if endpoint.model is not None:
device_model = endpoint.model
component = None
profile_clusters = ([], [])
device_key = "{}-{}".format(device.ieee, endpoint_id)
node_config = self._config[DOMAIN][CONF_DEVICE_CONFIG].get(
device_key, {})
if endpoint.profile_id in zigpy.profiles.PROFILES:
profile = zigpy.profiles.PROFILES[endpoint.profile_id]
if zha_const.DEVICE_CLASS.get(endpoint.profile_id,
{}).get(endpoint.device_type,
None):
profile_clusters = profile.CLUSTERS[endpoint.device_type]
profile_info = zha_const.DEVICE_CLASS[endpoint.profile_id]
component = profile_info[endpoint.device_type]
if ha_const.CONF_TYPE in node_config:
component = node_config[ha_const.CONF_TYPE]
profile_clusters = zha_const.COMPONENT_CLUSTERS[component]
if component:
in_clusters = [endpoint.in_clusters[c]
for c in profile_clusters[0]
if c in endpoint.in_clusters]
out_clusters = [endpoint.out_clusters[c]
for c in profile_clusters[1]
if c in endpoint.out_clusters]
discovery_info = {
'application_listener': self,
'endpoint': endpoint,
'in_clusters': {c.cluster_id: c for c in in_clusters},
'out_clusters': {c.cluster_id: c for c in out_clusters},
'manufacturer': endpoint.manufacturer,
'model': endpoint.model,
'new_join': join,
'unique_id': device_key,
}
self._hass.data[DISCOVERY_KEY][device_key] = discovery_info
await discovery.async_load_platform(
self._hass,
component,
DOMAIN,
{'discovery_key': device_key},
self._config,
)
for cluster in endpoint.in_clusters.values():
await self._attempt_single_cluster_device(
endpoint,
cluster,
profile_clusters[0],
device_key,
zha_const.SINGLE_INPUT_CLUSTER_DEVICE_CLASS,
'in_clusters',
join,
)
for cluster in endpoint.out_clusters.values():
await self._attempt_single_cluster_device(
endpoint,
cluster,
profile_clusters[1],
device_key,
zha_const.SINGLE_OUTPUT_CLUSTER_DEVICE_CLASS,
'out_clusters',
join,
)
endpoint_entity = ZhaDeviceEntity(
device,
device_manufacturer,
device_model,
self,
)
await self._component.async_add_entities([endpoint_entity])
def register_entity(self, ieee, entity_obj):
"""Record the creation of a hass entity associated with ieee."""
self._device_registry[ieee].append(entity_obj)
async def _attempt_single_cluster_device(self, endpoint, cluster,
profile_clusters, device_key,
device_classes, discovery_attr,
is_new_join):
"""Try to set up an entity from a "bare" cluster."""
import homeassistant.components.zha.const as zha_const
if cluster.cluster_id in profile_clusters:
return
component = sub_component = None
for cluster_type, candidate_component in device_classes.items():
if isinstance(cluster, cluster_type):
component = candidate_component
break
for signature, comp in zha_const.CUSTOM_CLUSTER_MAPPINGS.items():
if (isinstance(endpoint.device, signature[0]) and
cluster.cluster_id == signature[1]):
component = comp[0]
sub_component = comp[1]
break
if component is None:
return
cluster_key = "{}-{}".format(device_key, cluster.cluster_id)
discovery_info = {
'application_listener': self,
'endpoint': endpoint,
'in_clusters': {},
'out_clusters': {},
'manufacturer': endpoint.manufacturer,
'model': endpoint.model,
'new_join': is_new_join,
'unique_id': cluster_key,
'entity_suffix': '_{}'.format(cluster.cluster_id),
}
discovery_info[discovery_attr] = {cluster.cluster_id: cluster}
if sub_component:
discovery_info.update({'sub_component': sub_component})
self._hass.data[DISCOVERY_KEY][cluster_key] = discovery_info
await discovery.async_load_platform(
self._hass,
component,
DOMAIN,
{'discovery_key': cluster_key},
self._config,
)
class Entity(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
def attribute_updated(self, attribute, value):
"""Handle an attribute updated on this cluster."""
pass
def zdo_command(self, tsn, command_id, args):
"""Handle a ZDO command received on this cluster."""
pass
class ZhaDeviceEntity(entity.Entity):
"""A base class for ZHA devices."""
def __init__(self, device, manufacturer, model, application_listener,
keepalive_interval=7200, **kwargs):
"""Init ZHA endpoint entity."""
self._device_state_attributes = {
'nwk': '0x{0:04x}'.format(device.nwk),
'ieee': str(device.ieee),
'lqi': device.lqi,
'rssi': device.rssi,
}
ieee = device.ieee
ieeetail = ''.join(['%02x' % (o, ) for o in ieee[-4:]])
if manufacturer is not None and model is not None:
self._unique_id = "{}_{}_{}".format(
slugify(manufacturer),
slugify(model),
ieeetail,
)
self._device_state_attributes['friendly_name'] = "{} {}".format(
manufacturer,
model,
)
else:
self._unique_id = str(ieeetail)
self._device = device
self._state = 'offline'
self._keepalive_interval = keepalive_interval
application_listener.register_entity(ieee, self)
@property
def unique_id(self) -> str:
"""Return a unique ID."""
return self._unique_id
@property
def state(self) -> str:
"""Return the state of the entity."""
return self._state
@property
def device_state_attributes(self):
"""Return device specific state attributes."""
update_time = None
if self._device.last_seen is not None and self._state == 'offline':
time_struct = time.localtime(self._device.last_seen)
update_time = time.strftime("%Y-%m-%dT%H:%M:%S", time_struct)
self._device_state_attributes['last_seen'] = update_time
if ('last_seen' in self._device_state_attributes and
self._state != 'offline'):
del self._device_state_attributes['last_seen']
self._device_state_attributes['lqi'] = self._device.lqi
self._device_state_attributes['rssi'] = self._device.rssi
return self._device_state_attributes
async def async_update(self):
"""Handle polling."""
if self._device.last_seen is None:
self._state = 'offline'
else:
difference = time.time() - self._device.last_seen
if difference > self._keepalive_interval:
self._state = 'offline'
else:
self._state = 'online'
def get_discovery_info(hass, discovery_info):
"""Get the full discovery info for a device.
Some of the info that needs to be passed to platforms is not JSON
serializable, so it cannot be put in the discovery_info dictionary. This
component places that info we need to pass to the platform in hass.data,
and this function is a helper for platforms to retrieve the complete
discovery info.
"""
if discovery_info is None:
return
discovery_key = discovery_info.get('discovery_key', None)
all_discovery_info = hass.data.get(DISCOVERY_KEY, {})
return all_discovery_info.get(discovery_key, None)
async def safe_read(cluster, attributes, allow_cache=True, only_cache=False):
"""Swallow all exceptions from network read.
If we throw during initialization, setup fails. Rather have an entity that
exists, but is in a maybe wrong state, than no entity. This method should
probably only be used during initialization.
"""
try:
result, _ = await cluster.read_attributes(
attributes,
allow_cache=allow_cache,
only_cache=only_cache
)
return result
except Exception: # pylint: disable=broad-except
return {}
async def configure_reporting(entity_id, cluster, attr, skip_bind=False,
min_report=300, max_report=900,
reportable_change=1):
"""Configure attribute reporting for a cluster.
while swallowing the DeliverError exceptions in case of unreachable
devices.
"""
from zigpy.exceptions import DeliveryError
attr_name = cluster.attributes.get(attr, [attr])[0]
cluster_name = cluster.ep_attribute
if not skip_bind:
try:
res = await cluster.bind()
_LOGGER.debug(
"%s: bound '%s' cluster: %s", entity_id, cluster_name, res[0]
)
except DeliveryError as ex:
_LOGGER.debug(
"%s: Failed to bind '%s' cluster: %s",
entity_id, cluster_name, str(ex)
)
try:
res = await cluster.configure_reporting(attr, min_report,
max_report, reportable_change)
_LOGGER.debug(
"%s: reporting '%s' attr on '%s' cluster: %d/%d/%d: Result: '%s'",
entity_id, attr_name, cluster_name, min_report, max_report,
reportable_change, res
)
except DeliveryError as ex:
_LOGGER.debug(
"%s: failed to set reporting for '%s' attr on '%s' cluster: %s",
entity_id, attr_name, cluster_name, str(ex)
)