core/homeassistant/components/template/cover.py

415 lines
16 KiB
Python

"""Support for covers which integrate with other components."""
import logging
import voluptuous as vol
from homeassistant.core import callback
from homeassistant.components.cover import (
ENTITY_ID_FORMAT, CoverDevice, PLATFORM_SCHEMA, DEVICE_CLASSES_SCHEMA,
SUPPORT_OPEN_TILT, SUPPORT_CLOSE_TILT, SUPPORT_STOP_TILT,
SUPPORT_SET_TILT_POSITION, SUPPORT_OPEN, SUPPORT_CLOSE, SUPPORT_STOP,
SUPPORT_SET_POSITION, ATTR_POSITION, ATTR_TILT_POSITION)
from homeassistant.const import (
CONF_FRIENDLY_NAME, CONF_ENTITY_ID,
EVENT_HOMEASSISTANT_START, MATCH_ALL,
CONF_VALUE_TEMPLATE, CONF_ICON_TEMPLATE, CONF_DEVICE_CLASS,
CONF_ENTITY_PICTURE_TEMPLATE, CONF_OPTIMISTIC,
STATE_OPEN, STATE_CLOSED)
from homeassistant.exceptions import TemplateError
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import async_generate_entity_id
from homeassistant.helpers.event import async_track_state_change
from homeassistant.helpers.script import Script
_LOGGER = logging.getLogger(__name__)
_VALID_STATES = [STATE_OPEN, STATE_CLOSED, 'true', 'false']
CONF_COVERS = 'covers'
CONF_POSITION_TEMPLATE = 'position_template'
CONF_TILT_TEMPLATE = 'tilt_template'
OPEN_ACTION = 'open_cover'
CLOSE_ACTION = 'close_cover'
STOP_ACTION = 'stop_cover'
POSITION_ACTION = 'set_cover_position'
TILT_ACTION = 'set_cover_tilt_position'
CONF_TILT_OPTIMISTIC = 'tilt_optimistic'
CONF_VALUE_OR_POSITION_TEMPLATE = 'value_or_position'
CONF_OPEN_OR_CLOSE = 'open_or_close'
TILT_FEATURES = (SUPPORT_OPEN_TILT | SUPPORT_CLOSE_TILT | SUPPORT_STOP_TILT |
SUPPORT_SET_TILT_POSITION)
COVER_SCHEMA = vol.Schema({
vol.Inclusive(OPEN_ACTION, CONF_OPEN_OR_CLOSE): cv.SCRIPT_SCHEMA,
vol.Inclusive(CLOSE_ACTION, CONF_OPEN_OR_CLOSE): cv.SCRIPT_SCHEMA,
vol.Optional(STOP_ACTION): cv.SCRIPT_SCHEMA,
vol.Exclusive(CONF_POSITION_TEMPLATE,
CONF_VALUE_OR_POSITION_TEMPLATE): cv.template,
vol.Exclusive(CONF_VALUE_TEMPLATE,
CONF_VALUE_OR_POSITION_TEMPLATE): cv.template,
vol.Optional(CONF_POSITION_TEMPLATE): cv.template,
vol.Optional(CONF_TILT_TEMPLATE): cv.template,
vol.Optional(CONF_ICON_TEMPLATE): cv.template,
vol.Optional(CONF_ENTITY_PICTURE_TEMPLATE): cv.template,
vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
vol.Optional(CONF_OPTIMISTIC): cv.boolean,
vol.Optional(CONF_TILT_OPTIMISTIC): cv.boolean,
vol.Optional(POSITION_ACTION): cv.SCRIPT_SCHEMA,
vol.Optional(TILT_ACTION): cv.SCRIPT_SCHEMA,
vol.Optional(CONF_FRIENDLY_NAME): cv.string,
vol.Optional(CONF_ENTITY_ID): cv.entity_ids
})
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_COVERS): cv.schema_with_slug_keys(COVER_SCHEMA),
})
async def async_setup_platform(hass, config, async_add_entities,
discovery_info=None):
"""Set up the Template cover."""
covers = []
for device, device_config in config[CONF_COVERS].items():
friendly_name = device_config.get(CONF_FRIENDLY_NAME, device)
state_template = device_config.get(CONF_VALUE_TEMPLATE)
position_template = device_config.get(CONF_POSITION_TEMPLATE)
tilt_template = device_config.get(CONF_TILT_TEMPLATE)
icon_template = device_config.get(CONF_ICON_TEMPLATE)
entity_picture_template = device_config.get(
CONF_ENTITY_PICTURE_TEMPLATE)
device_class = device_config.get(CONF_DEVICE_CLASS)
open_action = device_config.get(OPEN_ACTION)
close_action = device_config.get(CLOSE_ACTION)
stop_action = device_config.get(STOP_ACTION)
position_action = device_config.get(POSITION_ACTION)
tilt_action = device_config.get(TILT_ACTION)
optimistic = device_config.get(CONF_OPTIMISTIC)
tilt_optimistic = device_config.get(CONF_TILT_OPTIMISTIC)
if position_action is None and open_action is None:
_LOGGER.error('Must specify at least one of %s' or '%s',
OPEN_ACTION, POSITION_ACTION)
continue
template_entity_ids = set()
if state_template is not None:
temp_ids = state_template.extract_entities()
if str(temp_ids) != MATCH_ALL:
template_entity_ids |= set(temp_ids)
if position_template is not None:
temp_ids = position_template.extract_entities()
if str(temp_ids) != MATCH_ALL:
template_entity_ids |= set(temp_ids)
if tilt_template is not None:
temp_ids = tilt_template.extract_entities()
if str(temp_ids) != MATCH_ALL:
template_entity_ids |= set(temp_ids)
if icon_template is not None:
temp_ids = icon_template.extract_entities()
if str(temp_ids) != MATCH_ALL:
template_entity_ids |= set(temp_ids)
if entity_picture_template is not None:
temp_ids = entity_picture_template.extract_entities()
if str(temp_ids) != MATCH_ALL:
template_entity_ids |= set(temp_ids)
if not template_entity_ids:
template_entity_ids = MATCH_ALL
entity_ids = device_config.get(CONF_ENTITY_ID, template_entity_ids)
covers.append(
CoverTemplate(
hass,
device, friendly_name, device_class, state_template,
position_template, tilt_template, icon_template,
entity_picture_template, open_action, close_action,
stop_action, position_action, tilt_action,
optimistic, tilt_optimistic, entity_ids
)
)
if not covers:
_LOGGER.error("No covers added")
return False
async_add_entities(covers)
return True
class CoverTemplate(CoverDevice):
"""Representation of a Template cover."""
def __init__(self, hass, device_id, friendly_name, device_class,
state_template,
position_template, tilt_template, icon_template,
entity_picture_template, open_action, close_action,
stop_action, position_action, tilt_action,
optimistic, tilt_optimistic, entity_ids):
"""Initialize the Template cover."""
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._position_template = position_template
self._tilt_template = tilt_template
self._icon_template = icon_template
self._device_class = device_class
self._entity_picture_template = entity_picture_template
self._open_script = None
if open_action is not None:
self._open_script = Script(hass, open_action)
self._close_script = None
if close_action is not None:
self._close_script = Script(hass, close_action)
self._stop_script = None
if stop_action is not None:
self._stop_script = Script(hass, stop_action)
self._position_script = None
if position_action is not None:
self._position_script = Script(hass, position_action)
self._tilt_script = None
if tilt_action is not None:
self._tilt_script = Script(hass, tilt_action)
self._optimistic = (optimistic or
(not state_template and not position_template))
self._tilt_optimistic = tilt_optimistic or not tilt_template
self._icon = None
self._entity_picture = None
self._position = None
self._tilt_value = None
self._entities = entity_ids
if self._template is not None:
self._template.hass = self.hass
if self._position_template is not None:
self._position_template.hass = self.hass
if self._tilt_template is not None:
self._tilt_template.hass = self.hass
if self._icon_template is not None:
self._icon_template.hass = self.hass
if self._entity_picture_template is not None:
self._entity_picture_template.hass = self.hass
async def async_added_to_hass(self):
"""Register callbacks."""
@callback
def template_cover_state_listener(entity, old_state, new_state):
"""Handle target device state changes."""
self.async_schedule_update_ha_state(True)
@callback
def template_cover_startup(event):
"""Update template on startup."""
async_track_state_change(
self.hass, self._entities, template_cover_state_listener)
self.async_schedule_update_ha_state(True)
self.hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_START, template_cover_startup)
@property
def name(self):
"""Return the name of the cover."""
return self._name
@property
def is_closed(self):
"""Return if the cover is closed."""
return self._position == 0
@property
def current_cover_position(self):
"""Return current position of cover.
None is unknown, 0 is closed, 100 is fully open.
"""
if self._position_template or self._position_script:
return self._position
return None
@property
def current_cover_tilt_position(self):
"""Return current position of cover tilt.
None is unknown, 0 is closed, 100 is fully open.
"""
return self._tilt_value
@property
def icon(self):
"""Return the icon to use in the frontend, if any."""
return self._icon
@property
def entity_picture(self):
"""Return the entity picture to use in the frontend, if any."""
return self._entity_picture
@property
def device_class(self):
"""Return the device class of the cover."""
return self._device_class
@property
def supported_features(self):
"""Flag supported features."""
supported_features = SUPPORT_OPEN | SUPPORT_CLOSE
if self._stop_script is not None:
supported_features |= SUPPORT_STOP
if self._position_script is not None:
supported_features |= SUPPORT_SET_POSITION
if self.current_cover_tilt_position is not None:
supported_features |= TILT_FEATURES
return supported_features
@property
def should_poll(self):
"""Return the polling state."""
return False
async def async_open_cover(self, **kwargs):
"""Move the cover up."""
if self._open_script:
await self._open_script.async_run(context=self._context)
elif self._position_script:
await self._position_script.async_run(
{"position": 100}, context=self._context)
if self._optimistic:
self._position = 100
self.async_schedule_update_ha_state()
async def async_close_cover(self, **kwargs):
"""Move the cover down."""
if self._close_script:
await self._close_script.async_run(context=self._context)
elif self._position_script:
await self._position_script.async_run(
{"position": 0}, context=self._context)
if self._optimistic:
self._position = 0
self.async_schedule_update_ha_state()
async def async_stop_cover(self, **kwargs):
"""Fire the stop action."""
if self._stop_script:
await self._stop_script.async_run(context=self._context)
async def async_set_cover_position(self, **kwargs):
"""Set cover position."""
self._position = kwargs[ATTR_POSITION]
await self._position_script.async_run(
{"position": self._position}, context=self._context)
if self._optimistic:
self.async_schedule_update_ha_state()
async def async_open_cover_tilt(self, **kwargs):
"""Tilt the cover open."""
self._tilt_value = 100
await self._tilt_script.async_run(
{"tilt": self._tilt_value}, context=self._context)
if self._tilt_optimistic:
self.async_schedule_update_ha_state()
async def async_close_cover_tilt(self, **kwargs):
"""Tilt the cover closed."""
self._tilt_value = 0
await self._tilt_script.async_run(
{"tilt": self._tilt_value}, context=self._context)
if self._tilt_optimistic:
self.async_schedule_update_ha_state()
async def async_set_cover_tilt_position(self, **kwargs):
"""Move the cover tilt to a specific position."""
self._tilt_value = kwargs[ATTR_TILT_POSITION]
await self._tilt_script.async_run(
{"tilt": self._tilt_value}, context=self._context)
if self._tilt_optimistic:
self.async_schedule_update_ha_state()
async def async_update(self):
"""Update the state from the template."""
if self._template is not None:
try:
state = self._template.async_render().lower()
if state in _VALID_STATES:
if state in ('true', STATE_OPEN):
self._position = 100
else:
self._position = 0
else:
_LOGGER.error(
'Received invalid cover is_on state: %s. Expected: %s',
state, ', '.join(_VALID_STATES))
self._position = None
except TemplateError as ex:
_LOGGER.error(ex)
self._position = None
if self._position_template is not None:
try:
state = float(self._position_template.async_render())
if state < 0 or state > 100:
self._position = None
_LOGGER.error("Cover position value must be"
" between 0 and 100."
" Value was: %.2f", state)
else:
self._position = state
except TemplateError as ex:
_LOGGER.error(ex)
self._position = None
except ValueError as ex:
_LOGGER.error(ex)
self._position = None
if self._tilt_template is not None:
try:
state = float(self._tilt_template.async_render())
if state < 0 or state > 100:
self._tilt_value = None
_LOGGER.error("Tilt value must be between 0 and 100."
" Value was: %.2f", state)
else:
self._tilt_value = state
except TemplateError as ex:
_LOGGER.error(ex)
self._tilt_value = None
except ValueError as ex:
_LOGGER.error(ex)
self._tilt_value = None
for property_name, template in (
('_icon', self._icon_template),
('_entity_picture', self._entity_picture_template)):
if template is None:
continue
try:
setattr(self, property_name, template.async_render())
except TemplateError as ex:
friendly_property_name = property_name[1:].replace('_', ' ')
if ex.args and ex.args[0].startswith(
"UndefinedError: 'None' has no attribute"):
# Common during HA startup - so just a warning
_LOGGER.warning('Could not render %s template %s,'
' the state is unknown.',
friendly_property_name, self._name)
return
try:
setattr(self, property_name,
getattr(super(), property_name))
except AttributeError:
_LOGGER.error('Could not render %s template %s: %s',
friendly_property_name, self._name, ex)