core/homeassistant/components/switch/vera.py

62 lines
1.7 KiB
Python

"""
Support for Vera switches.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/switch.vera/
"""
import logging
from homeassistant.util import convert
from homeassistant.components.switch import SwitchDevice
from homeassistant.const import (STATE_OFF, STATE_ON)
from homeassistant.components.vera import (
VeraDevice, VERA_DEVICES, VERA_CONTROLLER)
DEPENDENCIES = ['vera']
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Find and return Vera switches."""
add_devices(
VeraSwitch(device, VERA_CONTROLLER) for
device in VERA_DEVICES['switch'])
class VeraSwitch(VeraDevice, SwitchDevice):
"""Representation of a Vera Switch."""
def __init__(self, vera_device, controller):
"""Initialize the Vera device."""
self._state = False
VeraDevice.__init__(self, vera_device, controller)
def turn_on(self, **kwargs):
"""Turn device on."""
self.vera_device.switch_on()
self._state = STATE_ON
self.schedule_update_ha_state()
def turn_off(self, **kwargs):
"""Turn device off."""
self.vera_device.switch_off()
self._state = STATE_OFF
self.schedule_update_ha_state()
@property
def current_power_mwh(self):
"""Current power usage in mWh."""
power = self.vera_device.power
if power:
return convert(power, float, 0.0) * 1000
@property
def is_on(self):
"""Return true if device is on."""
return self._state
def update(self):
"""Called by the vera device callback to update state."""
self._state = self.vera_device.is_switched_on()