142 lines
4.0 KiB
Python
142 lines
4.0 KiB
Python
"""
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Support for Loop Energy sensors.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.loop_energy/
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"""
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import logging
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from homeassistant.helpers.entity import Entity
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from homeassistant.const import EVENT_HOMEASSISTANT_STOP
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from homeassistant.util import convert
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_LOGGER = logging.getLogger(__name__)
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DOMAIN = "loopenergy"
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REQUIREMENTS = ['pyloopenergy==0.0.14']
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the Loop Energy sensors."""
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import pyloopenergy
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elec_serial = config.get('electricity_serial')
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elec_secret = config.get('electricity_secret')
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gas_serial = config.get('gas_serial')
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gas_secret = config.get('gas_secret')
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gas_type = config.get('gas_type', 'metric')
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gas_calorific = convert(config.get('gas_calorific'), float, 39.11)
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if not (elec_serial and elec_secret):
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_LOGGER.error(
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"Configuration Error, "
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"please make sure you have configured electricity "
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"serial and secret tokens")
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return None
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if (gas_serial or gas_secret) and not (gas_serial and gas_secret):
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_LOGGER.error(
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"Configuration Error, "
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"please make sure you have configured gas "
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"serial and secret tokens")
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return None
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if gas_type not in ['imperial', 'metric']:
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_LOGGER.error(
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"Configuration Error, 'gas_type' "
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"can only be 'imperial' or 'metric' ")
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return None
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# pylint: disable=too-many-function-args
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controller = pyloopenergy.LoopEnergy(
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elec_serial,
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elec_secret,
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gas_serial,
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gas_secret,
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gas_type,
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gas_calorific
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)
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def stop_loopenergy(event):
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"""Shutdown loopenergy thread on exit."""
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_LOGGER.info("Shutting down loopenergy.")
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controller.terminate()
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hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, stop_loopenergy)
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sensors = [LoopEnergyElec(controller)]
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if gas_serial:
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sensors.append(LoopEnergyGas(controller))
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add_devices(sensors)
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# pylint: disable=too-many-instance-attributes
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class LoopEnergyDevice(Entity):
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"""Implementation of an Loop Energy base sensor."""
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# pylint: disable=too-many-arguments
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def __init__(self, controller):
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"""Initialize the sensor."""
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self._state = None
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self._unit_of_measurement = 'kW'
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self._controller = controller
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self._name = None
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement of this entity, if any."""
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return self._unit_of_measurement
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def _callback(self):
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self.update_ha_state(True)
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# pylint: disable=too-many-instance-attributes
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class LoopEnergyElec(LoopEnergyDevice):
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"""Implementation of an Loop Energy Electricity sensor."""
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# pylint: disable=too-many-arguments
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def __init__(self, controller):
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"""Initialize the sensor."""
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super(LoopEnergyElec, self).__init__(controller)
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self._name = 'Power Usage'
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self._controller.subscribe_elecricity(self._callback)
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def update(self):
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"""Get the cached Loop energy."""
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self._state = round(self._controller.electricity_useage, 2)
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# pylint: disable=too-many-instance-attributes
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class LoopEnergyGas(LoopEnergyDevice):
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"""Implementation of an Loop Energy Gas sensor."""
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# pylint: disable=too-many-arguments
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def __init__(self, controller):
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"""Initialize the sensor."""
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super(LoopEnergyGas, self).__init__(controller)
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self._name = 'Gas Usage'
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self._controller.subscribe_gas(self._callback)
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def update(self):
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"""Get the cached Loop energy."""
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self._state = round(self._controller.gas_useage, 2)
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