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Change method of listening to state changes

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This commit is contained in:
Philip Lundrigan 2015-12-16 23:53:10 -07:00
parent 4c33eba378
commit 56b38e64ae
1 changed files with 3 additions and 8 deletions
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11
homeassistant/components/automation/template.py
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@ -8,9 +8,8 @@ at https://home-assistant.io/components/automation/#template-trigger
"""
import logging
from homeassistant.const import CONF_VALUE_TEMPLATE
from homeassistant.const import CONF_VALUE_TEMPLATE, EVENT_STATE_CHANGED
from homeassistant.exceptions import TemplateError
from homeassistant.helpers.event import track_state_change
from homeassistant.util import template
_LOGGER = logging.getLogger(__name__)
@ -24,13 +23,10 @@ def trigger(hass, config, action):
_LOGGER.error("Missing configuration key %s", CONF_VALUE_TEMPLATE)
return False
# Get all entity ids
all_entity_ids = hass.states.entity_ids()
# Local variable to keep track of if the action has already been triggered
already_triggered = False
def state_automation_listener(entity, from_s, to_s):
def event_listener(event):
""" Listens for state changes and calls action. """
nonlocal already_triggered
template_result = _check_template(hass, value_template)
@ -42,8 +38,7 @@ def trigger(hass, config, action):
elif not template_result:
already_triggered = False
track_state_change(hass, all_entity_ids, state_automation_listener)
hass.bus.listen(EVENT_STATE_CHANGED, event_listener)
return True