105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
"""Support for Dexcom sensors."""
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from __future__ import annotations
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_UNIT_OF_MEASUREMENT, CONF_USERNAME
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.device_registry import DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.update_coordinator import (
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CoordinatorEntity,
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DataUpdateCoordinator,
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)
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from .const import COORDINATOR, DOMAIN, GLUCOSE_TREND_ICON, GLUCOSE_VALUE_ICON, MG_DL
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the Dexcom sensors."""
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coordinator = hass.data[DOMAIN][config_entry.entry_id][COORDINATOR]
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username = config_entry.data[CONF_USERNAME]
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unit_of_measurement = config_entry.options[CONF_UNIT_OF_MEASUREMENT]
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async_add_entities(
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[
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DexcomGlucoseTrendSensor(coordinator, username, config_entry.entry_id),
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DexcomGlucoseValueSensor(
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coordinator, username, config_entry.entry_id, unit_of_measurement
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),
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],
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False,
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)
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class DexcomSensorEntity(CoordinatorEntity, SensorEntity):
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"""Base Dexcom sensor entity."""
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_attr_has_entity_name = True
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def __init__(
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self, coordinator: DataUpdateCoordinator, username: str, entry_id: str, key: str
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) -> None:
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"""Initialize the sensor."""
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super().__init__(coordinator)
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self._attr_unique_id = f"{username}-{key}"
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, entry_id)},
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name=username,
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)
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class DexcomGlucoseValueSensor(DexcomSensorEntity):
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"""Representation of a Dexcom glucose value sensor."""
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_attr_icon = GLUCOSE_VALUE_ICON
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_attr_translation_key = "glucose_value"
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def __init__(
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self,
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coordinator: DataUpdateCoordinator,
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username: str,
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entry_id: str,
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unit_of_measurement: str,
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) -> None:
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"""Initialize the sensor."""
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super().__init__(coordinator, username, entry_id, "value")
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self._attr_native_unit_of_measurement = unit_of_measurement
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self._key = "mg_dl" if unit_of_measurement == MG_DL else "mmol_l"
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@property
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def native_value(self):
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"""Return the state of the sensor."""
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if self.coordinator.data:
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return getattr(self.coordinator.data, self._key)
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return None
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class DexcomGlucoseTrendSensor(DexcomSensorEntity):
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"""Representation of a Dexcom glucose trend sensor."""
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_attr_translation_key = "glucose_trend"
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def __init__(
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self, coordinator: DataUpdateCoordinator, username: str, entry_id: str
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) -> None:
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"""Initialize the sensor."""
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super().__init__(coordinator, username, entry_id, "trend")
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@property
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def icon(self):
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"""Return the icon for the frontend."""
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if self.coordinator.data:
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return GLUCOSE_TREND_ICON[self.coordinator.data.trend]
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return GLUCOSE_TREND_ICON[0]
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@property
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def native_value(self):
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"""Return the state of the sensor."""
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if self.coordinator.data:
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return self.coordinator.data.trend_description
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return None
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