core/homeassistant/components/zha/__init__.py

395 lines
13 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 asyncio
import collections
import enum
import logging
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
REQUIREMENTS = [
'bellows==0.5.0',
'zigpy==0.0.1',
'zigpy-xbee==0.0.2',
]
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__)
@asyncio.coroutine
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()
yield from 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)
yield from APPLICATION_CONTROLLER.startup(auto_form=True)
for device in APPLICATION_CONTROLLER.devices.values():
hass.async_add_job(listener.async_device_initialized(device, False))
@asyncio.coroutine
def permit(service):
"""Allow devices to join this network."""
duration = service.data.get(ATTR_DURATION)
_LOGGER.info("Permitting joins for %ss", duration)
yield from APPLICATION_CONTROLLER.permit(duration)
hass.services.async_register(DOMAIN, SERVICE_PERMIT, permit,
schema=SERVICE_SCHEMAS[SERVICE_PERMIT])
@asyncio.coroutine
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)
yield from 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._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 device_initialized(self, device):
"""Handle device joined and basic information discovered."""
self._hass.async_add_job(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_add_job(device_entity.async_remove())
@asyncio.coroutine
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()
for endpoint_id, endpoint in device.endpoints.items():
if endpoint_id == 0: # ZDO
continue
discovered_info = yield from _discover_endpoint_info(endpoint)
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},
'new_join': join,
'unique_id': device_key,
}
discovery_info.update(discovered_info)
self._hass.data[DISCOVERY_KEY][device_key] = discovery_info
yield from discovery.async_load_platform(
self._hass,
component,
DOMAIN,
{'discovery_key': device_key},
self._config,
)
for cluster_id, cluster in endpoint.in_clusters.items():
cluster_type = type(cluster)
if cluster_id in profile_clusters[0]:
continue
if cluster_type not in zha_const.SINGLE_CLUSTER_DEVICE_CLASS:
continue
component = zha_const.SINGLE_CLUSTER_DEVICE_CLASS[cluster_type]
cluster_key = "{}-{}".format(device_key, cluster_id)
discovery_info = {
'application_listener': self,
'endpoint': endpoint,
'in_clusters': {cluster.cluster_id: cluster},
'out_clusters': {},
'new_join': join,
'unique_id': cluster_key,
'entity_suffix': '_{}'.format(cluster_id),
}
discovery_info.update(discovered_info)
self._hass.data[DISCOVERY_KEY][cluster_key] = discovery_info
yield from discovery.async_load_platform(
self._hass,
component,
DOMAIN,
{'discovery_key': cluster_key},
self._config,
)
def register_entity(self, ieee, entity_obj):
"""Record the creation of a hass entity associated with ieee."""
self._device_registry[ieee].append(entity_obj)
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', ''),
)
for cluster in in_clusters.values():
cluster.add_listener(self)
for cluster in out_clusters.values():
cluster.add_listener(self)
self._endpoint = endpoint
self._in_clusters = in_clusters
self._out_clusters = out_clusters
self._state = ha_const.STATE_UNKNOWN
self._unique_id = unique_id
application_listener.register_entity(ieee, self)
@property
def unique_id(self) -> str:
"""Return an 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
@asyncio.coroutine
def _discover_endpoint_info(endpoint):
"""Find some basic information about an endpoint."""
extra_info = {
'manufacturer': None,
'model': None,
}
if 0 not in endpoint.in_clusters:
return extra_info
@asyncio.coroutine
def read(attributes):
"""Read attributes and update extra_info convenience function."""
result, _ = yield from endpoint.in_clusters[0].read_attributes(
attributes,
allow_cache=True,
)
extra_info.update(result)
yield from read(['manufacturer', 'model'])
if extra_info['manufacturer'] is None or extra_info['model'] is None:
# Some devices fail at returning multiple results. Attempt separately.
yield from read(['manufacturer'])
yield from read(['model'])
for key, value in extra_info.items():
if isinstance(value, bytes):
try:
extra_info[key] = value.decode('ascii').strip()
except UnicodeDecodeError:
# Unsure what the best behaviour here is. Unset the key?
pass
return extra_info
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)
@asyncio.coroutine
def safe_read(cluster, attributes):
"""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, _ = yield from cluster.read_attributes(
attributes,
allow_cache=False,
)
return result
except Exception: # pylint: disable=broad-except
return {}