98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
"""
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Interfaces with Z-Wave sensors.
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For more details about this platform, please refer to the documentation
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at https://home-assistant.io/components/sensor.zwave/
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"""
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import logging
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# Because we do not compile openzwave on CI
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# pylint: disable=import-error
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from homeassistant.components.sensor import DOMAIN
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from homeassistant.components import zwave
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from homeassistant.const import TEMP_CELSIUS, TEMP_FAHRENHEIT
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from homeassistant.components.zwave import async_setup_platform # noqa # pylint: disable=unused-import
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_LOGGER = logging.getLogger(__name__)
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def get_device(node, values, **kwargs):
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"""Create zwave entity device."""
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# Generic Device mappings
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if node.has_command_class(zwave.const.COMMAND_CLASS_SENSOR_MULTILEVEL):
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return ZWaveMultilevelSensor(values)
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if node.has_command_class(zwave.const.COMMAND_CLASS_METER) and \
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values.primary.type == zwave.const.TYPE_DECIMAL:
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return ZWaveMultilevelSensor(values)
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if node.has_command_class(zwave.const.COMMAND_CLASS_ALARM) or \
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node.has_command_class(zwave.const.COMMAND_CLASS_SENSOR_ALARM):
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return ZWaveAlarmSensor(values)
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return None
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class ZWaveSensor(zwave.ZWaveDeviceEntity):
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"""Representation of a Z-Wave sensor."""
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def __init__(self, values):
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"""Initialize the sensor."""
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zwave.ZWaveDeviceEntity.__init__(self, values, DOMAIN)
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self.update_properties()
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def update_properties(self):
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"""Callback on data changes for node values."""
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self._state = self.values.primary.data
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self._units = self.values.primary.units
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@property
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def force_update(self):
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"""Return force_update."""
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return True
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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 unit_of_measurement(self):
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"""Return the unit of measurement the value is expressed in."""
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return self._units
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class ZWaveMultilevelSensor(ZWaveSensor):
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"""Representation of a multi level sensor Z-Wave 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._units in ('C', 'F'):
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return round(self._state, 1)
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elif isinstance(self._state, float):
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return round(self._state, 2)
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return self._state
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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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if self._units == 'C':
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return TEMP_CELSIUS
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elif self._units == 'F':
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return TEMP_FAHRENHEIT
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else:
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return self._units
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class ZWaveAlarmSensor(ZWaveSensor):
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"""Representation of a Z-Wave sensor that sends Alarm alerts.
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Examples include certain Multisensors that have motion and vibration
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capabilities. Z-Wave defines various alarm types such as Smoke, Flood,
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Burglar, CarbonMonoxide, etc.
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This wraps these alarms and allows you to use them to trigger things, etc.
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COMMAND_CLASS_ALARM is what we get here.
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"""
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pass
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