core/homeassistant/components/edp_redy/sensor.py

117 lines
3.4 KiB
Python

"""Support for EDP re:dy sensors."""
import logging
from homeassistant.const import POWER_WATT
from homeassistant.helpers.entity import Entity
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."""
from edp_redy.session import ACTIVE_POWER_ID
session = hass.data[EDP_REDY]
devices = []
# Create sensors for modules
for device_json in session.modules_dict.values():
if 'HA_POWER_METER' not in device_json['Capabilities']:
continue
devices.append(EdpRedyModuleSensor(session, device_json))
# Create a sensor for global active power
devices.append(EdpRedySensor(session, ACTIVE_POWER_ID, "Power Home",
'mdi:flash', POWER_WATT))
async_add_entities(devices, True)
class EdpRedySensor(EdpRedyDevice, Entity):
"""Representation of a EDP re:dy generic sensor."""
def __init__(self, session, sensor_id, name, icon, unit):
"""Initialize the sensor."""
super().__init__(session, sensor_id, name)
self._icon = icon
self._unit = unit
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def icon(self):
"""Return the icon to use in the frontend."""
return self._icon
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this sensor."""
return self._unit
async def async_update(self):
"""Parse the data for this sensor."""
if self._id in self._session.values_dict:
self._state = self._session.values_dict[self._id]
self._is_available = True
else:
self._is_available = False
class EdpRedyModuleSensor(EdpRedyDevice, Entity):
"""Representation of a EDP re:dy module sensor."""
def __init__(self, session, device_json):
"""Initialize the sensor."""
super().__init__(session, device_json['PKID'],
"Power {0}".format(device_json['Name']))
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def icon(self):
"""Return the icon to use in the frontend."""
return 'mdi:flash'
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this sensor."""
return POWER_WATT
async def async_update(self):
"""Parse the data for this sensor."""
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)
_LOGGER.debug("Sensor data: %s", str(data))
for state_var in data['StateVars']:
if state_var['Name'] == 'ActivePower':
try:
self._state = float(state_var['Value']) * 1000
except ValueError:
_LOGGER.error("Could not parse power for %s", self._id)
self._state = 0
self._is_available = False