core/homeassistant/components/template/fan.py

376 lines
13 KiB
Python

"""Support for Template fans."""
import logging
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.components.fan import (
SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH, SUPPORT_SET_SPEED, SUPPORT_OSCILLATE,
FanEntity, ATTR_SPEED, ATTR_OSCILLATING, ENTITY_ID_FORMAT,
SUPPORT_DIRECTION, DIRECTION_FORWARD, DIRECTION_REVERSE, ATTR_DIRECTION)
from homeassistant.const import (
CONF_FRIENDLY_NAME, CONF_VALUE_TEMPLATE, CONF_ENTITY_ID,
STATE_ON, STATE_OFF, MATCH_ALL, EVENT_HOMEASSISTANT_START,
STATE_UNKNOWN)
from homeassistant.core import callback
from homeassistant.exceptions import TemplateError
from homeassistant.helpers.entity import async_generate_entity_id
from homeassistant.helpers.script import Script
_LOGGER = logging.getLogger(__name__)
CONF_FANS = 'fans'
CONF_SPEED_LIST = 'speeds'
CONF_SPEED_TEMPLATE = 'speed_template'
CONF_OSCILLATING_TEMPLATE = 'oscillating_template'
CONF_DIRECTION_TEMPLATE = 'direction_template'
CONF_ON_ACTION = 'turn_on'
CONF_OFF_ACTION = 'turn_off'
CONF_SET_SPEED_ACTION = 'set_speed'
CONF_SET_OSCILLATING_ACTION = 'set_oscillating'
CONF_SET_DIRECTION_ACTION = 'set_direction'
_VALID_STATES = [STATE_ON, STATE_OFF]
_VALID_OSC = [True, False]
_VALID_DIRECTIONS = [DIRECTION_FORWARD, DIRECTION_REVERSE]
FAN_SCHEMA = vol.Schema({
vol.Optional(CONF_FRIENDLY_NAME): cv.string,
vol.Required(CONF_VALUE_TEMPLATE): cv.template,
vol.Optional(CONF_SPEED_TEMPLATE): cv.template,
vol.Optional(CONF_OSCILLATING_TEMPLATE): cv.template,
vol.Optional(CONF_DIRECTION_TEMPLATE): cv.template,
vol.Required(CONF_ON_ACTION): cv.SCRIPT_SCHEMA,
vol.Required(CONF_OFF_ACTION): cv.SCRIPT_SCHEMA,
vol.Optional(CONF_SET_SPEED_ACTION): cv.SCRIPT_SCHEMA,
vol.Optional(CONF_SET_OSCILLATING_ACTION): cv.SCRIPT_SCHEMA,
vol.Optional(CONF_SET_DIRECTION_ACTION): cv.SCRIPT_SCHEMA,
vol.Optional(
CONF_SPEED_LIST,
default=[SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH]
): cv.ensure_list,
vol.Optional(CONF_ENTITY_ID): cv.entity_ids
})
PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA.extend({
vol.Required(CONF_FANS): cv.schema_with_slug_keys(FAN_SCHEMA),
})
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None
):
"""Set up the Template Fans."""
fans = []
for device, device_config in config[CONF_FANS].items():
friendly_name = device_config.get(CONF_FRIENDLY_NAME, device)
state_template = device_config[CONF_VALUE_TEMPLATE]
speed_template = device_config.get(CONF_SPEED_TEMPLATE)
oscillating_template = device_config.get(
CONF_OSCILLATING_TEMPLATE
)
direction_template = device_config.get(CONF_DIRECTION_TEMPLATE)
on_action = device_config[CONF_ON_ACTION]
off_action = device_config[CONF_OFF_ACTION]
set_speed_action = device_config.get(CONF_SET_SPEED_ACTION)
set_oscillating_action = device_config.get(CONF_SET_OSCILLATING_ACTION)
set_direction_action = device_config.get(CONF_SET_DIRECTION_ACTION)
speed_list = device_config[CONF_SPEED_LIST]
entity_ids = set()
manual_entity_ids = device_config.get(CONF_ENTITY_ID)
for template in (state_template, speed_template, oscillating_template,
direction_template):
if template is None:
continue
template.hass = hass
if entity_ids == MATCH_ALL or manual_entity_ids is not None:
continue
template_entity_ids = template.extract_entities()
if template_entity_ids == MATCH_ALL:
entity_ids = MATCH_ALL
else:
entity_ids |= set(template_entity_ids)
if manual_entity_ids is not None:
entity_ids = manual_entity_ids
elif entity_ids != MATCH_ALL:
entity_ids = list(entity_ids)
fans.append(
TemplateFan(
hass, device, friendly_name,
state_template, speed_template, oscillating_template,
direction_template, on_action, off_action, set_speed_action,
set_oscillating_action, set_direction_action, speed_list,
entity_ids
)
)
async_add_entities(fans)
class TemplateFan(FanEntity):
"""A template fan component."""
def __init__(self, hass, device_id, friendly_name,
state_template, speed_template, oscillating_template,
direction_template, on_action, off_action, set_speed_action,
set_oscillating_action, set_direction_action, speed_list,
entity_ids):
"""Initialize the fan."""
self.hass = hass
self.entity_id = async_generate_entity_id(
ENTITY_ID_FORMAT, device_id, hass=hass)
self._name = friendly_name
self._template = state_template
self._speed_template = speed_template
self._oscillating_template = oscillating_template
self._direction_template = direction_template
self._supported_features = 0
self._on_script = Script(hass, on_action)
self._off_script = Script(hass, off_action)
self._set_speed_script = None
if set_speed_action:
self._set_speed_script = Script(hass, set_speed_action)
self._set_oscillating_script = None
if set_oscillating_action:
self._set_oscillating_script = Script(hass, set_oscillating_action)
self._set_direction_script = None
if set_direction_action:
self._set_direction_script = Script(hass, set_direction_action)
self._state = STATE_OFF
self._speed = None
self._oscillating = None
self._direction = None
self._template.hass = self.hass
if self._speed_template:
self._speed_template.hass = self.hass
self._supported_features |= SUPPORT_SET_SPEED
if self._oscillating_template:
self._oscillating_template.hass = self.hass
self._supported_features |= SUPPORT_OSCILLATE
if self._direction_template:
self._direction_template.hass = self.hass
self._supported_features |= SUPPORT_DIRECTION
self._entities = entity_ids
# List of valid speeds
self._speed_list = speed_list
@property
def name(self):
"""Return the display name of this fan."""
return self._name
@property
def supported_features(self) -> int:
"""Flag supported features."""
return self._supported_features
@property
def speed_list(self) -> list:
"""Get the list of available speeds."""
return self._speed_list
@property
def is_on(self):
"""Return true if device is on."""
return self._state == STATE_ON
@property
def speed(self):
"""Return the current speed."""
return self._speed
@property
def oscillating(self):
"""Return the oscillation state."""
return self._oscillating
@property
def direction(self):
"""Return the oscillation state."""
return self._direction
@property
def should_poll(self):
"""Return the polling state."""
return False
# pylint: disable=arguments-differ
async def async_turn_on(self, speed: str = None) -> None:
"""Turn on the fan."""
await self._on_script.async_run(context=self._context)
self._state = STATE_ON
if speed is not None:
await self.async_set_speed(speed)
# pylint: disable=arguments-differ
async def async_turn_off(self) -> None:
"""Turn off the fan."""
await self._off_script.async_run(context=self._context)
self._state = STATE_OFF
async def async_set_speed(self, speed: str) -> None:
"""Set the speed of the fan."""
if self._set_speed_script is None:
return
if speed in self._speed_list:
self._speed = speed
await self._set_speed_script.async_run(
{ATTR_SPEED: speed}, context=self._context)
else:
_LOGGER.error(
'Received invalid speed: %s. Expected: %s.',
speed, self._speed_list)
async def async_oscillate(self, oscillating: bool) -> None:
"""Set oscillation of the fan."""
if self._set_oscillating_script is None:
return
if oscillating in _VALID_OSC:
self._oscillating = oscillating
await self._set_oscillating_script.async_run(
{ATTR_OSCILLATING: oscillating}, context=self._context)
else:
_LOGGER.error(
'Received invalid oscillating value: %s. Expected: %s.',
oscillating, ', '.join(_VALID_OSC))
async def async_set_direction(self, direction: str) -> None:
"""Set the direction of the fan."""
if self._set_direction_script is None:
return
if direction in _VALID_DIRECTIONS:
self._direction = direction
await self._set_direction_script.async_run(
{ATTR_DIRECTION: direction}, context=self._context)
else:
_LOGGER.error(
'Received invalid direction: %s. Expected: %s.',
direction, ', '.join(_VALID_DIRECTIONS))
async def async_added_to_hass(self):
"""Register callbacks."""
@callback
def template_fan_state_listener(entity, old_state, new_state):
"""Handle target device state changes."""
self.async_schedule_update_ha_state(True)
@callback
def template_fan_startup(event):
"""Update template on startup."""
self.hass.helpers.event.async_track_state_change(
self._entities, template_fan_state_listener)
self.async_schedule_update_ha_state(True)
self.hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_START, template_fan_startup)
async def async_update(self):
"""Update the state from the template."""
# Update state
try:
state = self._template.async_render()
except TemplateError as ex:
_LOGGER.error(ex)
state = None
self._state = None
# Validate state
if state in _VALID_STATES:
self._state = state
elif state == STATE_UNKNOWN:
self._state = None
else:
_LOGGER.error(
'Received invalid fan is_on state: %s. Expected: %s.',
state, ', '.join(_VALID_STATES))
self._state = None
# Update speed if 'speed_template' is configured
if self._speed_template is not None:
try:
speed = self._speed_template.async_render()
except TemplateError as ex:
_LOGGER.error(ex)
speed = None
self._state = None
# Validate speed
if speed in self._speed_list:
self._speed = speed
elif speed == STATE_UNKNOWN:
self._speed = None
else:
_LOGGER.error(
'Received invalid speed: %s. Expected: %s.',
speed, self._speed_list)
self._speed = None
# Update oscillating if 'oscillating_template' is configured
if self._oscillating_template is not None:
try:
oscillating = self._oscillating_template.async_render()
except TemplateError as ex:
_LOGGER.error(ex)
oscillating = None
self._state = None
# Validate osc
if oscillating == 'True' or oscillating is True:
self._oscillating = True
elif oscillating == 'False' or oscillating is False:
self._oscillating = False
elif oscillating == STATE_UNKNOWN:
self._oscillating = None
else:
_LOGGER.error(
'Received invalid oscillating: %s. Expected: True/False.',
oscillating)
self._oscillating = None
# Update direction if 'direction_template' is configured
if self._direction_template is not None:
try:
direction = self._direction_template.async_render()
except TemplateError as ex:
_LOGGER.error(ex)
direction = None
self._state = None
# Validate speed
if direction in _VALID_DIRECTIONS:
self._direction = direction
elif direction == STATE_UNKNOWN:
self._direction = None
else:
_LOGGER.error(
'Received invalid direction: %s. Expected: %s.',
direction, ', '.join(_VALID_DIRECTIONS))
self._direction = None