2025-06-24 12:12:29 +01:00

104 lines
3.2 KiB
Python

"""Entity for the AI Task integration."""
from collections.abc import AsyncGenerator
import contextlib
from typing import final
from propcache.api import cached_property
from homeassistant.components.conversation import (
ChatLog,
UserContent,
async_get_chat_log,
)
from homeassistant.const import STATE_UNAVAILABLE, STATE_UNKNOWN
from homeassistant.helpers import llm
from homeassistant.helpers.chat_session import async_get_chat_session
from homeassistant.helpers.restore_state import RestoreEntity
from homeassistant.util import dt as dt_util
from .const import DEFAULT_SYSTEM_PROMPT, DOMAIN, AITaskEntityFeature
from .task import GenDataTask, GenDataTaskResult
class AITaskEntity(RestoreEntity):
"""Entity that supports conversations."""
_attr_should_poll = False
_attr_supported_features = AITaskEntityFeature(0)
__last_activity: str | None = None
@property
@final
def state(self) -> str | None:
"""Return the state of the entity."""
if self.__last_activity is None:
return None
return self.__last_activity
@cached_property
def supported_features(self) -> AITaskEntityFeature:
"""Flag supported features."""
return self._attr_supported_features
async def async_internal_added_to_hass(self) -> None:
"""Call when the entity is added to hass."""
await super().async_internal_added_to_hass()
state = await self.async_get_last_state()
if (
state is not None
and state.state is not None
and state.state not in (STATE_UNAVAILABLE, STATE_UNKNOWN)
):
self.__last_activity = state.state
@final
@contextlib.asynccontextmanager
async def _async_get_ai_task_chat_log(
self,
task: GenDataTask,
) -> AsyncGenerator[ChatLog]:
"""Context manager used to manage the ChatLog used during an AI Task."""
# pylint: disable-next=contextmanager-generator-missing-cleanup
with (
async_get_chat_session(self.hass) as session,
async_get_chat_log(
self.hass,
session,
None,
) as chat_log,
):
await chat_log.async_provide_llm_data(
llm.LLMContext(
platform=self.platform.domain,
context=None,
language=None,
assistant=DOMAIN,
device_id=None,
),
user_llm_prompt=DEFAULT_SYSTEM_PROMPT,
)
chat_log.async_add_user_content(UserContent(task.instructions))
yield chat_log
@final
async def internal_async_generate_data(
self,
task: GenDataTask,
) -> GenDataTaskResult:
"""Run a gen data task."""
self.__last_activity = dt_util.utcnow().isoformat()
self.async_write_ha_state()
async with self._async_get_ai_task_chat_log(task) as chat_log:
return await self._async_generate_data(task, chat_log)
async def _async_generate_data(
self,
task: GenDataTask,
chat_log: ChatLog,
) -> GenDataTaskResult:
"""Handle a gen data task."""
raise NotImplementedError