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Template binary sensor to not track all state changes (#18573)

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This commit is contained in:
Anders Melchiorsen 2018-11-19 12:10:48 +01:00 • committed by Paulus Schoutsen
parent 97c493448b
commit 84fd66c8a1
2 changed files with 111 additions and 30 deletions
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32
homeassistant/components/binary_sensor/template.py
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@ -58,10 +58,12 @@ async def async_setup_platform(hass, config, async_add_entities,
entity_ids = set()
manual_entity_ids = device_config.get(ATTR_ENTITY_ID)
for template in (
value_template,
icon_template,
entity_picture_template,
invalid_templates = []
for tpl_name, template in (
(CONF_VALUE_TEMPLATE, value_template),
(CONF_ICON_TEMPLATE, icon_template),
(CONF_ENTITY_PICTURE_TEMPLATE, entity_picture_template),
):
if template is None:
continue
@ -73,6 +75,8 @@ async def async_setup_platform(hass, config, async_add_entities,
template_entity_ids = template.extract_entities()
if template_entity_ids == MATCH_ALL:
entity_ids = MATCH_ALL
# Cut off _template from name
invalid_templates.append(tpl_name[:-9])
elif entity_ids != MATCH_ALL:
entity_ids |= set(template_entity_ids)
@ -81,6 +85,14 @@ async def async_setup_platform(hass, config, async_add_entities,
elif entity_ids != MATCH_ALL:
entity_ids = list(entity_ids)
if invalid_templates:
_LOGGER.warning(
'Template binary sensor %s has no entity ids configured to'
' track nor were we able to extract the entities to track'
' from the %s template(s). This entity will only be able'
' to be updated manually.',
device, ', '.join(invalid_templates))
friendly_name = device_config.get(ATTR_FRIENDLY_NAME, device)
device_class = device_config.get(CONF_DEVICE_CLASS)
delay_on = device_config.get(CONF_DELAY_ON)
@ -132,10 +144,12 @@ class BinarySensorTemplate(BinarySensorDevice):
@callback
def template_bsensor_startup(event):
"""Update template on startup."""
async_track_state_change(
self.hass, self._entities, template_bsensor_state_listener)
if self._entities != MATCH_ALL:
# Track state change only for valid templates
async_track_state_change(
self.hass, self._entities, template_bsensor_state_listener)
self.hass.async_add_job(self.async_check_state)
self.async_check_state()
self.hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_START, template_bsensor_startup)
@ -233,3 +247,7 @@ class BinarySensorTemplate(BinarySensorDevice):
async_track_same_state(
self.hass, period, set_state, entity_ids=self._entities,
async_check_same_func=lambda *args: self._async_render() == state)
async def async_update(self):
"""Force update of the state from the template."""
self.async_check_state()