mirror of https://github.com/home-assistant/core
98 lines
2.6 KiB
Python
98 lines
2.6 KiB
Python
"""Support for VersaSense sensor peripheral."""
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import logging
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from homeassistant.helpers.entity import Entity
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from . import DOMAIN
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from .const import (
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KEY_CONSUMER,
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KEY_IDENTIFIER,
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KEY_MEASUREMENT,
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KEY_PARENT_MAC,
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KEY_PARENT_NAME,
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KEY_UNIT,
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)
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the sensor platform."""
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if discovery_info is None:
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return None
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consumer = hass.data[DOMAIN][KEY_CONSUMER]
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sensor_list = []
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for entity_info in discovery_info:
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peripheral = hass.data[DOMAIN][entity_info[KEY_PARENT_MAC]][
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entity_info[KEY_IDENTIFIER]
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]
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parent_name = entity_info[KEY_PARENT_NAME]
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unit = entity_info[KEY_UNIT]
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measurement = entity_info[KEY_MEASUREMENT]
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sensor_list.append(
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VSensor(peripheral, parent_name, unit, measurement, consumer)
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)
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async_add_entities(sensor_list)
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class VSensor(Entity):
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"""Representation of a Sensor."""
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def __init__(self, peripheral, parent_name, unit, measurement, consumer):
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"""Initialize the sensor."""
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self._state = None
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self._available = True
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self._name = f"{parent_name} {measurement}"
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self._parent_mac = peripheral.parentMac
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self._identifier = peripheral.identifier
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self._unit = unit
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self._measurement = measurement
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self.consumer = consumer
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@property
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def unique_id(self):
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"""Return the unique id of the sensor."""
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return f"{self._parent_mac}/{self._identifier}/{self._measurement}"
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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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."""
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return self._unit
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@property
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def available(self):
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"""Return if the sensor is available."""
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return self._available
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async def async_update(self):
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"""Fetch new state data for the sensor."""
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samples = await self.consumer.fetchPeripheralSample(
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None, self._identifier, self._parent_mac
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)
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if samples is not None:
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for sample in samples:
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if sample.measurement == self._measurement:
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self._available = True
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self._state = sample.value
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break
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else:
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_LOGGER.error("Sample unavailable")
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self._available = False
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self._state = None
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