86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
"""
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Support for Blink system camera 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.blink/
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"""
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import logging
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from homeassistant.components.blink import DOMAIN
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from homeassistant.const import TEMP_FAHRENHEIT
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['blink']
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SENSOR_TYPES = {
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'temperature': ['Temperature', TEMP_FAHRENHEIT],
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'battery': ['Battery', ''],
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'notifications': ['Notifications', '']
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}
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def setup_platform(hass, config, add_devices, 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[DOMAIN].blink
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devs = list()
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index = 0
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for name in data.cameras:
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devs.append(BlinkSensor(name, 'temperature', index, data))
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devs.append(BlinkSensor(name, 'battery', index, data))
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devs.append(BlinkSensor(name, 'notifications', index, data))
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index += 1
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add_devices(devs, True)
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class BlinkSensor(Entity):
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"""A Blink camera sensor."""
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def __init__(self, name, sensor_type, index, data):
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"""A method to initialize sensors from Blink camera."""
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self._name = 'blink_' + name + '_' + SENSOR_TYPES[sensor_type][0]
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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.index = index
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self._state = None
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self._unit_of_measurement = SENSOR_TYPES[sensor_type][1]
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@property
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def name(self):
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"""A method to return the name of the camera."""
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return self._name
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@property
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def state(self):
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"""A camera's current state."""
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return self._state
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@property
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def unique_id(self):
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"""A unique camera sensor identifier."""
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return "sensor_{}_{}".format(self._name, self.index)
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@property
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def unit_of_measurement(self):
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"""A method to determine the unit of measurement for temperature."""
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return self._unit_of_measurement
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def update(self):
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"""A method to retrieve sensor data from the camera."""
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camera = self.data.cameras[self._camera_name]
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if self._type == 'temperature':
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self._state = camera.temperature
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elif self._type == 'battery':
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self._state = camera.battery
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elif self._type == 'notifications':
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self._state = camera.notifications
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else:
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self._state = None
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_LOGGER.warning("Could not retrieve state from %s", self.name)
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