151 lines
4.2 KiB
Python
151 lines
4.2 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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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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from homeassistant.const import (
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CONF_UNIT_SYSTEM_METRIC, CONF_UNIT_SYSTEM_IMPERIAL)
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import EVENT_HOMEASSISTANT_STOP
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_LOGGER = logging.getLogger(__name__)
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REQUIREMENTS = ['pyloopenergy==0.0.18']
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CONF_ELEC = 'electricity'
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CONF_GAS = 'gas'
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CONF_ELEC_SERIAL = 'electricity_serial'
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CONF_ELEC_SECRET = 'electricity_secret'
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CONF_GAS_SERIAL = 'gas_serial'
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CONF_GAS_SECRET = 'gas_secret'
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CONF_GAS_CALORIFIC = 'gas_calorific'
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CONF_GAS_TYPE = 'gas_type'
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DEFAULT_CALORIFIC = 39.11
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DEFAULT_UNIT = 'kW'
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ELEC_SCHEMA = vol.Schema({
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vol.Required(CONF_ELEC_SERIAL): cv.string,
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vol.Required(CONF_ELEC_SECRET): cv.string,
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})
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GAS_TYPE_SCHEMA = vol.In([CONF_UNIT_SYSTEM_METRIC, CONF_UNIT_SYSTEM_IMPERIAL])
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GAS_SCHEMA = vol.Schema({
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vol.Required(CONF_GAS_SERIAL): cv.string,
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vol.Required(CONF_GAS_SECRET): cv.string,
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vol.Optional(CONF_GAS_TYPE, default=CONF_UNIT_SYSTEM_METRIC):
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GAS_TYPE_SCHEMA,
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vol.Optional(CONF_GAS_CALORIFIC, default=DEFAULT_CALORIFIC):
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vol.Coerce(float)
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})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_ELEC): ELEC_SCHEMA,
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vol.Optional(CONF_GAS): GAS_SCHEMA
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the Loop Energy sensors."""
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import pyloopenergy
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elec_config = config.get(CONF_ELEC)
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gas_config = config.get(CONF_GAS, {})
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# pylint: disable=too-many-function-args
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controller = pyloopenergy.LoopEnergy(
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elec_config.get(CONF_ELEC_SERIAL),
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elec_config.get(CONF_ELEC_SECRET),
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gas_config.get(CONF_GAS_SERIAL),
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gas_config.get(CONF_GAS_SECRET),
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gas_config.get(CONF_GAS_TYPE),
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gas_config.get(CONF_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_config.get(CONF_GAS_SERIAL):
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sensors.append(LoopEnergyGas(controller))
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add_devices(sensors)
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class LoopEnergyDevice(Entity):
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"""Implementation of an Loop Energy base sensor."""
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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 = DEFAULT_UNIT
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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.schedule_update_ha_state(True)
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class LoopEnergyElec(LoopEnergyDevice):
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"""Implementation of an Loop Energy Electricity sensor."""
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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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class LoopEnergyGas(LoopEnergyDevice):
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"""Implementation of an Loop Energy Gas sensor."""
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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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