core/homeassistant/components/edp_redy/switch.py

96 lines
3.0 KiB
Python

"""Support for EDP re:dy plugs/switches."""
import logging
from homeassistant.components.switch import SwitchDevice
from . import EDP_REDY, EdpRedyDevice
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['edp_redy']
# Load power in watts (W)
ATTR_ACTIVE_POWER = 'active_power'
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None):
"""Perform the setup for re:dy devices."""
session = hass.data[EDP_REDY]
devices = []
for device_json in session.modules_dict.values():
if 'HA_SWITCH' not in device_json['Capabilities']:
continue
devices.append(EdpRedySwitch(session, device_json))
async_add_entities(devices, True)
class EdpRedySwitch(EdpRedyDevice, SwitchDevice):
"""Representation of a Edp re:dy switch (plugs, switches, etc)."""
def __init__(self, session, device_json):
"""Initialize the switch."""
super().__init__(session, device_json['PKID'], device_json['Name'])
self._active_power = None
@property
def icon(self):
"""Return the icon to use in the frontend."""
return 'mdi:power-plug'
@property
def is_on(self):
"""Return true if it is on."""
return self._state
@property
def device_state_attributes(self):
"""Return the state attributes."""
if self._active_power is not None:
attrs = {ATTR_ACTIVE_POWER: self._active_power}
else:
attrs = {}
attrs.update(super().device_state_attributes)
return attrs
async def async_turn_on(self, **kwargs):
"""Turn the switch on."""
if await self._async_send_state_cmd(True):
self._state = True
self.async_schedule_update_ha_state()
async def async_turn_off(self, **kwargs):
"""Turn the switch off."""
if await self._async_send_state_cmd(False):
self._state = False
self.async_schedule_update_ha_state()
async def _async_send_state_cmd(self, state):
state_json = {'devModuleId': self._id, 'key': 'RelayState',
'value': state}
return await self._session.async_set_state_var(state_json)
async def async_update(self):
"""Parse the data for this switch."""
if self._id in self._session.modules_dict:
device_json = self._session.modules_dict[self._id]
self._parse_data(device_json)
else:
self._is_available = False
def _parse_data(self, data):
"""Parse data received from the server."""
super()._parse_data(data)
for state_var in data['StateVars']:
if state_var['Name'] == 'RelayState':
self._state = state_var['Value'] == 'true'
elif state_var['Name'] == 'ActivePower':
try:
self._active_power = float(state_var['Value']) * 1000
except ValueError:
_LOGGER.error("Could not parse power for %s", self._id)
self._active_power = None