97 lines
2.6 KiB
Python
97 lines
2.6 KiB
Python
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"""Lovelace resources support."""
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import logging
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from typing import List, Optional, cast
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import uuid
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import voluptuous as vol
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers import collection, storage
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from .const import CONF_RESOURCES, DOMAIN, RESOURCE_SCHEMA
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from .dashboard import LovelaceConfig
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RESOURCE_STORAGE_KEY = f"{DOMAIN}_resources"
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RESOURCES_STORAGE_VERSION = 1
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_LOGGER = logging.getLogger(__name__)
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class ResourceYAMLCollection:
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"""Collection representing static YAML."""
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loaded = True
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def __init__(self, data):
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"""Initialize a resource YAML collection."""
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self.data = data
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@callback
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def async_items(self) -> List[dict]:
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"""Return list of items in collection."""
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return self.data
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class ResourceStorageCollection(collection.StorageCollection):
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"""Collection to store resources."""
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loaded = False
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def __init__(self, hass: HomeAssistant, ll_config: LovelaceConfig):
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"""Initialize the storage collection."""
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super().__init__(
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storage.Store(hass, RESOURCES_STORAGE_VERSION, RESOURCE_STORAGE_KEY),
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_LOGGER,
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)
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self.ll_config = ll_config
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async def _async_load_data(self) -> Optional[dict]:
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"""Load the data."""
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data = await self.store.async_load()
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if data is not None:
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return cast(Optional[dict], data)
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# Import it from config.
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try:
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conf = await self.ll_config.async_load(False)
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except HomeAssistantError:
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return None
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if CONF_RESOURCES not in conf:
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return None
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# Remove it from config and save both resources + config
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data = conf[CONF_RESOURCES]
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try:
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vol.Schema([RESOURCE_SCHEMA])(data)
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except vol.Invalid as err:
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_LOGGER.warning("Resource import failed. Data invalid: %s", err)
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return None
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conf.pop(CONF_RESOURCES)
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for item in data:
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item[collection.CONF_ID] = uuid.uuid4().hex
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data = {"items": data}
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await self.store.async_save(data)
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await self.ll_config.async_save(conf)
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return data
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async def _process_create_data(self, data: dict) -> dict:
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"""Validate the config is valid."""
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raise NotImplementedError
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@callback
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def _get_suggested_id(self, info: dict) -> str:
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"""Suggest an ID based on the config."""
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raise NotImplementedError
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async def _update_data(self, data: dict, update_data: dict) -> dict:
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"""Return a new updated data object."""
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raise NotImplementedError
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