mirror of
https://github.com/home-assistant/core
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216a174cba
* Move variables out of constructor in nightscout * Update homeassistant/components/nightscout/sensor.py Co-authored-by: G Johansson <goran.johansson@shiftit.se> --------- Co-authored-by: G Johansson <goran.johansson@shiftit.se>
88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
"""Support for Nightscout sensors."""
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from __future__ import annotations
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from asyncio import TimeoutError as AsyncIOTimeoutError
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from datetime import timedelta
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import logging
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from typing import Any
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from aiohttp import ClientError
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from py_nightscout import Api as NightscoutAPI
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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 ATTR_DATE
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .const import ATTR_DELTA, ATTR_DEVICE, ATTR_DIRECTION, DOMAIN
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SCAN_INTERVAL = timedelta(minutes=1)
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = "Blood Glucose"
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the Glucose Sensor."""
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api = hass.data[DOMAIN][entry.entry_id]
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async_add_entities([NightscoutSensor(api, "Blood Sugar", entry.unique_id)], True)
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class NightscoutSensor(SensorEntity):
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"""Implementation of a Nightscout sensor."""
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_attr_native_unit_of_measurement = "mg/dL"
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_attr_icon = "mdi:cloud-question"
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def __init__(self, api: NightscoutAPI, name, unique_id) -> None:
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"""Initialize the Nightscout sensor."""
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self.api = api
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self._attr_unique_id = unique_id
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self._attr_name = name
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self._attr_extra_state_attributes: dict[str, Any] = {}
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async def async_update(self) -> None:
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"""Fetch the latest data from Nightscout REST API and update the state."""
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try:
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values = await self.api.get_sgvs()
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except (ClientError, AsyncIOTimeoutError, OSError) as error:
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_LOGGER.error("Error fetching data. Failed with %s", error)
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self._attr_available = False
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return
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self._attr_available = True
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self._attr_extra_state_attributes = {}
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self._attr_native_value = None
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if values:
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value = values[0]
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self._attr_extra_state_attributes = {
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ATTR_DEVICE: value.device,
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ATTR_DATE: value.date,
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ATTR_DELTA: value.delta,
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ATTR_DIRECTION: value.direction,
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}
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self._attr_native_value = value.sgv
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self._attr_icon = self._parse_icon(value.direction)
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else:
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self._attr_available = False
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_LOGGER.warning("Empty reply found when expecting JSON data")
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def _parse_icon(self, direction: str) -> str:
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"""Update the icon based on the direction attribute."""
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switcher = {
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"Flat": "mdi:arrow-right",
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"SingleDown": "mdi:arrow-down",
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"FortyFiveDown": "mdi:arrow-bottom-right",
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"DoubleDown": "mdi:chevron-triple-down",
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"SingleUp": "mdi:arrow-up",
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"FortyFiveUp": "mdi:arrow-top-right",
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"DoubleUp": "mdi:chevron-triple-up",
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}
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return switcher.get(direction, "mdi:cloud-question")
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