139 lines
4.6 KiB
Python
139 lines
4.6 KiB
Python
"""
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Support for Nest Thermostat 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.nest/
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"""
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import logging
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import socket
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import homeassistant.components.nest as nest
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from homeassistant.const import TEMP_CELCIUS
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from homeassistant.helpers.entity import Entity
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DEPENDENCIES = ['nest']
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SENSOR_TYPES = ['humidity',
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'mode',
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'last_ip',
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'local_ip',
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'last_connection',
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'battery_level']
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WEATHER_VARIABLES = ['weather_condition', 'weather_temperature',
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'weather_humidity',
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'wind_speed', 'wind_direction']
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JSON_VARIABLE_NAMES = {'weather_humidity': 'humidity',
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'weather_temperature': 'temperature',
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'weather_condition': 'condition',
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'wind_speed': 'kph',
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'wind_direction': 'direction'}
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SENSOR_UNITS = {'humidity': '%', 'battery_level': 'V',
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'kph': 'kph', 'temperature': '°C'}
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SENSOR_TEMP_TYPES = ['temperature', 'target']
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the Nest Sensor."""
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logger = logging.getLogger(__name__)
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try:
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for structure in nest.NEST.structures:
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for device in structure.devices:
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for variable in config['monitored_conditions']:
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if variable in SENSOR_TYPES:
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add_devices([NestBasicSensor(structure,
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device,
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variable)])
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elif variable in SENSOR_TEMP_TYPES:
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add_devices([NestTempSensor(structure,
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device,
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variable)])
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elif variable in WEATHER_VARIABLES:
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json_variable = JSON_VARIABLE_NAMES.get(variable, None)
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add_devices([NestWeatherSensor(structure,
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device,
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json_variable)])
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else:
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logger.error('Nest sensor type: "%s" does not exist',
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variable)
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except socket.error:
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logger.error(
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"Connection error logging into the nest web service."
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)
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class NestSensor(Entity):
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"""Representation of a Nest sensor."""
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def __init__(self, structure, device, variable):
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"""Initialize the sensor."""
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self.structure = structure
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self.device = device
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self.variable = variable
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@property
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def name(self):
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"""Return the name of the nest, if any."""
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location = self.device.where
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name = self.device.name
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if location is None:
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return "{} {}".format(name, self.variable)
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else:
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if name == '':
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return "{} {}".format(location.capitalize(), self.variable)
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else:
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return "{}({}){}".format(location.capitalize(),
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name,
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self.variable)
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class NestBasicSensor(NestSensor):
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"""Representation a basic Nest sensor."""
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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 getattr(self.device, self.variable)
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@property
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def unit_of_measurement(self):
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"""Return the unit the value is expressed in."""
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return SENSOR_UNITS.get(self.variable, None)
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class NestTempSensor(NestSensor):
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"""Representation of a Nest Temperature sensor."""
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@property
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def unit_of_measurement(self):
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"""Return the unit the value is expressed in."""
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return TEMP_CELCIUS
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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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temp = getattr(self.device, self.variable)
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if temp is None:
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return None
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return round(temp, 1)
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class NestWeatherSensor(NestSensor):
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"""Representation a basic Nest Weather Conditions sensor."""
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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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if self.variable == 'kph' or self.variable == 'direction':
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return getattr(self.structure.weather.current.wind, self.variable)
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else:
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return getattr(self.structure.weather.current, self.variable)
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@property
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def unit_of_measurement(self):
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"""Return the unit the value is expressed in."""
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return SENSOR_UNITS.get(self.variable, None)
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