101 lines
2.5 KiB
Python
101 lines
2.5 KiB
Python
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""" Support for ISY994 sensors. """
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# system imports
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import logging
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# homeassistant imports
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from ..isy994 import ISY
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from homeassistant.helpers.entity import Entity
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from homeassistant.const import STATE_OPEN, STATE_CLOSED
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def setup_platform(hass, config, add_devices, discovery_info=None):
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""" Sets up the isy994 platform. """
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logger = logging.getLogger(__name__)
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devs = []
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# verify connection
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if ISY is None or not ISY.connected:
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logger.error('A connection has not been made to the ISY controller.')
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return False
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# import weather
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if ISY.climate is not None:
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for prop in ISY.climate._id2name:
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if prop is not None:
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devs.append(ISYSensorDevice('ISY.weather.' + prop, prop,
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getattr(ISY.climate, prop),
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getattr(ISY.climate, prop + '_units')))
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add_devices(devs)
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class ISYSensorDevice(Entity):
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""" represents a isy sensor within home assistant. """
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domain = 'sensor'
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def __init__(self, device_id, name, source, units=None):
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# setup properties
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self._id = device_id
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self._name = name
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self.entity_id = self.domain + '.' + self.name.replace(' ', '_')
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self._source = source
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self._units = units
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# track changes
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self._changeHandler = self._source.subscribe('changed', self.onUpdate)
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def __del__(self):
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self._changeHandler.unsubscribe()
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@property
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def should_poll(self):
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return False
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@property
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def dtype(self):
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return 'binary' if self._units is None else 'analog'
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@property
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def state(self):
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""" Returns the state. """
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if self.dtype is 'binary':
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return STATE_OPEN if self.is_open >= 255 else STATE_CLOSED
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else:
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return self.value
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@property
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def state_attributes(self):
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return {}
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@property
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def unit_of_measurement(self):
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return self._units
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@property
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def unique_id(self):
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""" Returns the id of this isy sensor """
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return self._id
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@property
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def name(self):
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""" Returns the name of the sensor if any. """
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return self._name
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def update(self):
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""" Update state of the sensor. """
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# ISY objects are automatically updated by the ISY's event stream
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pass
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@property
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def is_open(self):
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""" True if door is open. """
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return self.value >= 255
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@property
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def value(self):
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return self._source._val
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def onUpdate(self, e):
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self.update_ha_state()
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