core/homeassistant/components/alexa/capabilities.py

598 lines
18 KiB
Python

"""Alexa capabilities."""
from datetime import datetime
import logging
from homeassistant.const import (
ATTR_SUPPORTED_FEATURES,
ATTR_TEMPERATURE,
ATTR_UNIT_OF_MEASUREMENT,
STATE_LOCKED,
STATE_OFF,
STATE_ON,
STATE_UNAVAILABLE,
STATE_UNLOCKED,
)
import homeassistant.components.climate.const as climate
from homeassistant.components import (
light,
fan,
cover,
)
import homeassistant.util.color as color_util
from .const import (
API_TEMP_UNITS,
API_THERMOSTAT_MODES,
DATE_FORMAT,
PERCENTAGE_FAN_MAP,
)
from .errors import UnsupportedProperty
_LOGGER = logging.getLogger(__name__)
class AlexaCapibility:
"""Base class for Alexa capability interfaces.
The Smart Home Skills API defines a number of "capability interfaces",
roughly analogous to domains in Home Assistant. The supported interfaces
describe what actions can be performed on a particular device.
https://developer.amazon.com/docs/device-apis/message-guide.html
"""
def __init__(self, entity):
"""Initialize an Alexa capibility."""
self.entity = entity
def name(self):
"""Return the Alexa API name of this interface."""
raise NotImplementedError
@staticmethod
def properties_supported():
"""Return what properties this entity supports."""
return []
@staticmethod
def properties_proactively_reported():
"""Return True if properties asynchronously reported."""
return False
@staticmethod
def properties_retrievable():
"""Return True if properties can be retrieved."""
return False
@staticmethod
def get_property(name):
"""Read and return a property.
Return value should be a dict, or raise UnsupportedProperty.
Properties can also have a timeOfSample and uncertaintyInMilliseconds,
but returning those metadata is not yet implemented.
"""
raise UnsupportedProperty(name)
@staticmethod
def supports_deactivation():
"""Applicable only to scenes."""
return None
def serialize_discovery(self):
"""Serialize according to the Discovery API."""
result = {
'type': 'AlexaInterface',
'interface': self.name(),
'version': '3',
'properties': {
'supported': self.properties_supported(),
'proactivelyReported': self.properties_proactively_reported(),
'retrievable': self.properties_retrievable(),
},
}
# pylint: disable=assignment-from-none
supports_deactivation = self.supports_deactivation()
if supports_deactivation is not None:
result['supportsDeactivation'] = supports_deactivation
return result
def serialize_properties(self):
"""Return properties serialized for an API response."""
for prop in self.properties_supported():
prop_name = prop['name']
# pylint: disable=assignment-from-no-return
prop_value = self.get_property(prop_name)
if prop_value is not None:
yield {
'name': prop_name,
'namespace': self.name(),
'value': prop_value,
'timeOfSample': datetime.now().strftime(DATE_FORMAT),
'uncertaintyInMilliseconds': 0
}
class AlexaEndpointHealth(AlexaCapibility):
"""Implements Alexa.EndpointHealth.
https://developer.amazon.com/docs/smarthome/state-reporting-for-a-smart-home-skill.html#report-state-when-alexa-requests-it
"""
def __init__(self, hass, entity):
"""Initialize the entity."""
super().__init__(entity)
self.hass = hass
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.EndpointHealth'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'connectivity'}]
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return False
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'connectivity':
raise UnsupportedProperty(name)
if self.entity.state == STATE_UNAVAILABLE:
return {'value': 'UNREACHABLE'}
return {'value': 'OK'}
class AlexaPowerController(AlexaCapibility):
"""Implements Alexa.PowerController.
https://developer.amazon.com/docs/device-apis/alexa-powercontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.PowerController'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'powerState'}]
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return True
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'powerState':
raise UnsupportedProperty(name)
if self.entity.state == STATE_OFF:
return 'OFF'
return 'ON'
class AlexaLockController(AlexaCapibility):
"""Implements Alexa.LockController.
https://developer.amazon.com/docs/device-apis/alexa-lockcontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.LockController'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'lockState'}]
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'lockState':
raise UnsupportedProperty(name)
if self.entity.state == STATE_LOCKED:
return 'LOCKED'
if self.entity.state == STATE_UNLOCKED:
return 'UNLOCKED'
return 'JAMMED'
class AlexaSceneController(AlexaCapibility):
"""Implements Alexa.SceneController.
https://developer.amazon.com/docs/device-apis/alexa-scenecontroller.html
"""
def __init__(self, entity, supports_deactivation):
"""Initialize the entity."""
super().__init__(entity)
self.supports_deactivation = lambda: supports_deactivation
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.SceneController'
class AlexaBrightnessController(AlexaCapibility):
"""Implements Alexa.BrightnessController.
https://developer.amazon.com/docs/device-apis/alexa-brightnesscontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.BrightnessController'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'brightness'}]
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return True
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'brightness':
raise UnsupportedProperty(name)
if 'brightness' in self.entity.attributes:
return round(self.entity.attributes['brightness'] / 255.0 * 100)
return 0
class AlexaColorController(AlexaCapibility):
"""Implements Alexa.ColorController.
https://developer.amazon.com/docs/device-apis/alexa-colorcontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.ColorController'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'color'}]
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'color':
raise UnsupportedProperty(name)
hue, saturation = self.entity.attributes.get(
light.ATTR_HS_COLOR, (0, 0))
return {
'hue': hue,
'saturation': saturation / 100.0,
'brightness': self.entity.attributes.get(
light.ATTR_BRIGHTNESS, 0) / 255.0,
}
class AlexaColorTemperatureController(AlexaCapibility):
"""Implements Alexa.ColorTemperatureController.
https://developer.amazon.com/docs/device-apis/alexa-colortemperaturecontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.ColorTemperatureController'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'colorTemperatureInKelvin'}]
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'colorTemperatureInKelvin':
raise UnsupportedProperty(name)
if 'color_temp' in self.entity.attributes:
return color_util.color_temperature_mired_to_kelvin(
self.entity.attributes['color_temp'])
return 0
class AlexaPercentageController(AlexaCapibility):
"""Implements Alexa.PercentageController.
https://developer.amazon.com/docs/device-apis/alexa-percentagecontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.PercentageController'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'percentage'}]
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'percentage':
raise UnsupportedProperty(name)
if self.entity.domain == fan.DOMAIN:
speed = self.entity.attributes.get(fan.ATTR_SPEED)
return PERCENTAGE_FAN_MAP.get(speed, 0)
if self.entity.domain == cover.DOMAIN:
return self.entity.attributes.get(cover.ATTR_CURRENT_POSITION, 0)
return 0
class AlexaSpeaker(AlexaCapibility):
"""Implements Alexa.Speaker.
https://developer.amazon.com/docs/device-apis/alexa-speaker.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.Speaker'
class AlexaStepSpeaker(AlexaCapibility):
"""Implements Alexa.StepSpeaker.
https://developer.amazon.com/docs/device-apis/alexa-stepspeaker.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.StepSpeaker'
class AlexaPlaybackController(AlexaCapibility):
"""Implements Alexa.PlaybackController.
https://developer.amazon.com/docs/device-apis/alexa-playbackcontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.PlaybackController'
class AlexaInputController(AlexaCapibility):
"""Implements Alexa.InputController.
https://developer.amazon.com/docs/device-apis/alexa-inputcontroller.html
"""
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.InputController'
class AlexaTemperatureSensor(AlexaCapibility):
"""Implements Alexa.TemperatureSensor.
https://developer.amazon.com/docs/device-apis/alexa-temperaturesensor.html
"""
def __init__(self, hass, entity):
"""Initialize the entity."""
super().__init__(entity)
self.hass = hass
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.TemperatureSensor'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'temperature'}]
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return True
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'temperature':
raise UnsupportedProperty(name)
unit = self.entity.attributes.get(ATTR_UNIT_OF_MEASUREMENT)
temp = self.entity.state
if self.entity.domain == climate.DOMAIN:
unit = self.hass.config.units.temperature_unit
temp = self.entity.attributes.get(
climate.ATTR_CURRENT_TEMPERATURE)
return {
'value': float(temp),
'scale': API_TEMP_UNITS[unit],
}
class AlexaContactSensor(AlexaCapibility):
"""Implements Alexa.ContactSensor.
The Alexa.ContactSensor interface describes the properties and events used
to report the state of an endpoint that detects contact between two
surfaces. For example, a contact sensor can report whether a door or window
is open.
https://developer.amazon.com/docs/device-apis/alexa-contactsensor.html
"""
def __init__(self, hass, entity):
"""Initialize the entity."""
super().__init__(entity)
self.hass = hass
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.ContactSensor'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'detectionState'}]
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return True
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'detectionState':
raise UnsupportedProperty(name)
if self.entity.state == STATE_ON:
return 'DETECTED'
return 'NOT_DETECTED'
class AlexaMotionSensor(AlexaCapibility):
"""Implements Alexa.MotionSensor.
https://developer.amazon.com/docs/device-apis/alexa-motionsensor.html
"""
def __init__(self, hass, entity):
"""Initialize the entity."""
super().__init__(entity)
self.hass = hass
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.MotionSensor'
def properties_supported(self):
"""Return what properties this entity supports."""
return [{'name': 'detectionState'}]
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return True
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name != 'detectionState':
raise UnsupportedProperty(name)
if self.entity.state == STATE_ON:
return 'DETECTED'
return 'NOT_DETECTED'
class AlexaThermostatController(AlexaCapibility):
"""Implements Alexa.ThermostatController.
https://developer.amazon.com/docs/device-apis/alexa-thermostatcontroller.html
"""
def __init__(self, hass, entity):
"""Initialize the entity."""
super().__init__(entity)
self.hass = hass
def name(self):
"""Return the Alexa API name of this interface."""
return 'Alexa.ThermostatController'
def properties_supported(self):
"""Return what properties this entity supports."""
properties = []
supported = self.entity.attributes.get(ATTR_SUPPORTED_FEATURES, 0)
if supported & climate.SUPPORT_TARGET_TEMPERATURE:
properties.append({'name': 'targetSetpoint'})
if supported & climate.SUPPORT_TARGET_TEMPERATURE_LOW:
properties.append({'name': 'lowerSetpoint'})
if supported & climate.SUPPORT_TARGET_TEMPERATURE_HIGH:
properties.append({'name': 'upperSetpoint'})
if supported & climate.SUPPORT_OPERATION_MODE:
properties.append({'name': 'thermostatMode'})
return properties
def properties_proactively_reported(self):
"""Return True if properties asynchronously reported."""
return True
def properties_retrievable(self):
"""Return True if properties can be retrieved."""
return True
def get_property(self, name):
"""Read and return a property."""
if name == 'thermostatMode':
ha_mode = self.entity.attributes.get(climate.ATTR_OPERATION_MODE)
mode = API_THERMOSTAT_MODES.get(ha_mode)
if mode is None:
_LOGGER.error("%s (%s) has unsupported %s value '%s'",
self.entity.entity_id, type(self.entity),
climate.ATTR_OPERATION_MODE, ha_mode)
raise UnsupportedProperty(name)
return mode
unit = self.hass.config.units.temperature_unit
if name == 'targetSetpoint':
temp = self.entity.attributes.get(ATTR_TEMPERATURE)
elif name == 'lowerSetpoint':
temp = self.entity.attributes.get(climate.ATTR_TARGET_TEMP_LOW)
elif name == 'upperSetpoint':
temp = self.entity.attributes.get(climate.ATTR_TARGET_TEMP_HIGH)
else:
raise UnsupportedProperty(name)
if temp is None:
return None
return {
'value': float(temp),
'scale': API_TEMP_UNITS[unit],
}