79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
"""Support for Blink system camera sensors."""
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import logging
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from homeassistant.const import CONF_MONITORED_CONDITIONS
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from homeassistant.helpers.entity import Entity
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from . import BLINK_DATA, SENSORS
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up a Blink sensor."""
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if discovery_info is None:
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return
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data = hass.data[BLINK_DATA]
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devs = []
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for camera in data.cameras:
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for sensor_type in discovery_info[CONF_MONITORED_CONDITIONS]:
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devs.append(BlinkSensor(data, camera, sensor_type))
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add_entities(devs, True)
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class BlinkSensor(Entity):
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"""A Blink camera sensor."""
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def __init__(self, data, camera, sensor_type):
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"""Initialize sensors from Blink camera."""
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name, units, icon = SENSORS[sensor_type]
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self._name = f"{BLINK_DATA} {camera} {name}"
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self._camera_name = name
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self._type = sensor_type
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self.data = data
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self._camera = data.cameras[camera]
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self._state = None
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self._unit_of_measurement = units
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self._icon = icon
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self._unique_id = f"{self._camera.serial}-{self._type}"
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self._sensor_key = self._type
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if self._type == "temperature":
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self._sensor_key = "temperature_calibrated"
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@property
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def name(self):
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"""Return the name of the camera."""
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return self._name
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@property
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def unique_id(self):
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"""Return the unique id for the camera sensor."""
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return self._unique_id
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@property
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def icon(self):
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"""Return the icon of the sensor."""
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return self._icon
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@property
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def state(self):
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"""Return the camera's current state."""
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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."""
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return self._unit_of_measurement
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def update(self):
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"""Retrieve sensor data from the camera."""
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self.data.refresh()
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try:
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self._state = self._camera.attributes[self._sensor_key]
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except KeyError:
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self._state = None
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_LOGGER.error(
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"%s not a valid camera attribute. Did the API change?", self._sensor_key
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)
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