123 lines
3.8 KiB
Python
123 lines
3.8 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.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup Z-Wave sensors."""
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# Return on empty `discovery_info`. Given you configure HA with:
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#
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# sensor:
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# platform: zwave
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#
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# `setup_platform` will be called without `discovery_info`.
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if discovery_info is None or zwave.NETWORK is None:
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return
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node = zwave.NETWORK.nodes[discovery_info[zwave.const.ATTR_NODE_ID]]
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value = node.values[discovery_info[zwave.const.ATTR_VALUE_ID]]
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value.set_change_verified(False)
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# if 1 in groups and (NETWORK.controller.node_id not in
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# groups[1].associations):
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# node.groups[1].add_association(NETWORK.controller.node_id)
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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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add_devices([ZWaveMultilevelSensor(value)])
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elif node.has_command_class(zwave.const.COMMAND_CLASS_METER) and \
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value.type == zwave.const.TYPE_DECIMAL:
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add_devices([ZWaveMultilevelSensor(value)])
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elif 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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add_devices([ZWaveAlarmSensor(value)])
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class ZWaveSensor(zwave.ZWaveDeviceEntity, Entity):
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"""Representation of a Z-Wave sensor."""
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def __init__(self, sensor_value):
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"""Initialize the sensor."""
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from openzwave.network import ZWaveNetwork
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from pydispatch import dispatcher
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zwave.ZWaveDeviceEntity.__init__(self, sensor_value, DOMAIN)
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dispatcher.connect(
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self.value_changed, ZWaveNetwork.SIGNAL_VALUE_CHANGED)
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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._value.data
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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._value.units
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def value_changed(self, value):
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"""Called when a value has changed on the network."""
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if self._value.value_id == value.value_id or \
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self._value.node == value.node:
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_LOGGER.debug('Value changed for label %s', self._value.label)
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self.schedule_update_ha_state()
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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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value = self._value.data
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if self._value.units in ('C', 'F'):
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return round(value, 1)
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elif isinstance(value, float):
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return round(value, 2)
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return value
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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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unit = self._value.units
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if unit == 'C':
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return TEMP_CELSIUS
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elif unit == 'F':
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return TEMP_FAHRENHEIT
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else:
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return unit
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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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