forked from platypush/platypush
96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
import time
|
|
|
|
from threading import Thread
|
|
|
|
from platypush.backend import Backend
|
|
from platypush.context import get_plugin
|
|
from platypush.message.event.light import LightStatusChangeEvent
|
|
|
|
|
|
class LightHueBackend(Backend):
|
|
"""
|
|
This backend will periodically check for the status of your configured
|
|
Philips Hue light devices and trigger events when the status of a device
|
|
(power, saturation, brightness or hue) changes.
|
|
|
|
Triggers:
|
|
|
|
* :class:`platypush.message.event.light.LightStatusChangeEvent` when the
|
|
status of a lightbulb changes
|
|
|
|
Requires:
|
|
|
|
* The :class:`platypush.plugins.light.hue.LightHuePlugin` plugin to be
|
|
active and configured.
|
|
"""
|
|
|
|
_DEFAULT_POLL_SECONDS = 10
|
|
|
|
def __init__(self, poll_seconds=_DEFAULT_POLL_SECONDS, *args, **kwargs):
|
|
"""
|
|
:param poll_seconds: How often the backend will poll the Hue plugin for
|
|
status updates. Default: 10 seconds
|
|
:type poll_seconds: float
|
|
"""
|
|
|
|
super().__init__(*args, **kwargs)
|
|
self.poll_seconds = poll_seconds
|
|
|
|
|
|
def _get_lights(self):
|
|
plugin = get_plugin('light.hue')
|
|
if not plugin:
|
|
plugin = get_plugin('light.hue', reload=True)
|
|
|
|
return plugin.get_lights().output
|
|
|
|
def _listener(self):
|
|
def _thread():
|
|
lights = self._get_lights()
|
|
|
|
while not self.should_stop():
|
|
try:
|
|
lights_new = self._get_lights()
|
|
|
|
for light_id, light in lights_new.items():
|
|
event_args = {}
|
|
state = light.get('state')
|
|
prev_state = lights.get(light_id, {}).get('state', {})
|
|
|
|
if 'on' in state and state.get('on') != prev_state.get('on'):
|
|
event_args['on'] = state.get('on')
|
|
if 'bri' in state and state.get('bri') != prev_state.get('bri'):
|
|
event_args['bri'] = state.get('bri')
|
|
if 'sat' in state and state.get('sat') != prev_state.get('sat'):
|
|
event_args['sat'] = state.get('sat')
|
|
if 'hue' in state and state.get('hue') != prev_state.get('hue'):
|
|
event_args['hue'] = state.get('hue')
|
|
if 'ct' in state and state.get('ct') != prev_state.get('ct'):
|
|
event_args['ct'] = state.get('ct')
|
|
|
|
if event_args:
|
|
event_args['light_id'] = light_id
|
|
event_args['light_name'] = light.get('name')
|
|
self.bus.post(LightStatusChangeEvent(**event_args))
|
|
|
|
lights = lights_new
|
|
except Exception as e:
|
|
self.logger.exception(e)
|
|
finally:
|
|
time.sleep(self.poll_seconds)
|
|
|
|
return _thread
|
|
|
|
def run(self):
|
|
super().run()
|
|
|
|
while not self.should_stop():
|
|
try:
|
|
poll_thread = Thread(target=self._listener())
|
|
poll_thread.start()
|
|
poll_thread.join()
|
|
except Exception as e:
|
|
self.logger.exception(e)
|
|
time.sleep(self.poll_seconds)
|
|
|
|
# vim:sw=4:ts=4:et:
|