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EventBus: return function to unlisten

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This commit is contained in:
Paulus Schoutsen
2016-08-25 23:25:35 -07:00
parent 62ba0fa7a2
commit d9ecc4af64
11 changed files with 183 additions and 83 deletions
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16
homeassistant/components/automation/state.py
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@@ -7,8 +7,7 @@ at https://home-assistant.io/components/automation/#state-trigger
import voluptuous as vol
import homeassistant.util.dt as dt_util
from homeassistant.const import (
EVENT_STATE_CHANGED, EVENT_TIME_CHANGED, MATCH_ALL, CONF_PLATFORM)
from homeassistant.const import MATCH_ALL, CONF_PLATFORM
from homeassistant.helpers.event import track_state_change, track_point_in_time
import homeassistant.helpers.config_validation as cv
@@ -60,23 +59,20 @@ def trigger(hass, config, action):
def state_for_listener(now):
"""Fire on state changes after a delay and calls action."""
hass.bus.remove_listener(
EVENT_STATE_CHANGED, attached_state_for_cancel)
remove_state_for_cancel()
call_action()
def state_for_cancel_listener(entity, inner_from_s, inner_to_s):
"""Fire on changes and cancel for listener if changed."""
if inner_to_s.state == to_s.state:
return
hass.bus.remove_listener(EVENT_TIME_CHANGED,
attached_state_for_listener)
hass.bus.remove_listener(EVENT_STATE_CHANGED,
attached_state_for_cancel)
remove_state_for_listener()
remove_state_for_cancel()
attached_state_for_listener = track_point_in_time(
remove_state_for_listener = track_point_in_time(
hass, state_for_listener, dt_util.utcnow() + time_delta)
attached_state_for_cancel = track_state_change(
remove_state_for_cancel = track_state_change(
hass, entity, state_for_cancel_listener)
track_state_change(