mirror of https://github.com/home-assistant/core
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
"""Support for the AEMET OpenData images."""
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from __future__ import annotations
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from typing import Final
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from aemet_opendata.const import AOD_DATETIME, AOD_IMG_BYTES, AOD_IMG_TYPE, AOD_RADAR
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from aemet_opendata.helpers import dict_nested_value
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from homeassistant.components.image import Image, ImageEntity, ImageEntityDescription
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .coordinator import AemetConfigEntry, WeatherUpdateCoordinator
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from .entity import AemetEntity
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AEMET_IMAGES: Final[tuple[ImageEntityDescription, ...]] = (
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ImageEntityDescription(
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key=AOD_RADAR,
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translation_key="weather_radar",
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: AemetConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up AEMET OpenData image entities based on a config entry."""
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domain_data = config_entry.runtime_data
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name = domain_data.name
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coordinator = domain_data.coordinator
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unique_id = config_entry.unique_id
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assert unique_id is not None
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async_add_entities(
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AemetImage(
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hass,
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name,
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coordinator,
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description,
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unique_id,
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)
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for description in AEMET_IMAGES
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if dict_nested_value(coordinator.data["lib"], [description.key]) is not None
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)
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class AemetImage(AemetEntity, ImageEntity):
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"""Implementation of an AEMET OpenData image."""
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entity_description: ImageEntityDescription
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def __init__(
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self,
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hass: HomeAssistant,
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name: str,
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coordinator: WeatherUpdateCoordinator,
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description: ImageEntityDescription,
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unique_id: str,
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) -> None:
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"""Initialize the image."""
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super().__init__(coordinator, name, unique_id)
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ImageEntity.__init__(self, hass)
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self.entity_description = description
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self._attr_unique_id = f"{unique_id}-{description.key}"
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self._async_update_attrs()
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@callback
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def _handle_coordinator_update(self) -> None:
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"""Update attributes when the coordinator updates."""
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self._async_update_attrs()
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super()._handle_coordinator_update()
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@callback
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def _async_update_attrs(self) -> None:
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"""Update image attributes."""
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image_data = self.get_aemet_value([self.entity_description.key])
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self._cached_image = Image(
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content_type=image_data.get(AOD_IMG_TYPE),
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content=image_data.get(AOD_IMG_BYTES),
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)
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self._attr_image_last_updated = image_data.get(AOD_DATETIME)
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