mirror of
https://github.com/smkrv/ha-text-ai.git
synced 2026-07-22 07:03:58 +08:00
269 lines
9.6 KiB
Python
269 lines
9.6 KiB
Python
# __init__.py
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"""The HA Text AI integration.
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This module initializes the HA Text AI integration for Home Assistant, handling setup, configuration,
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API connection verification, and managing service calls for interacting with AI models.
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"""
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from __future__ import annotations
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import logging
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import os
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import shutil
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from datetime import datetime, timedelta
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from typing import Any, Dict
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import voluptuous as vol
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from async_timeout import timeout
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_API_KEY, CONF_NAME, Platform
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from homeassistant.core import HomeAssistant, ServiceCall
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from homeassistant.exceptions import ConfigEntryNotReady, HomeAssistantError
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from homeassistant.helpers import config_validation as cv
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from homeassistant.helpers import aiohttp_client
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from .coordinator import HATextAICoordinator
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from .api_client import APIClient
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from .const import (
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DOMAIN,
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PLATFORMS,
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CONF_MODEL,
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CONF_TEMPERATURE,
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CONF_MAX_TOKENS,
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CONF_API_ENDPOINT,
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CONF_REQUEST_INTERVAL,
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CONF_API_PROVIDER,
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API_PROVIDER_OPENAI,
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API_PROVIDER_ANTHROPIC,
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DEFAULT_MODEL,
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DEFAULT_TEMPERATURE,
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DEFAULT_MAX_TOKENS,
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DEFAULT_OPENAI_ENDPOINT,
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DEFAULT_ANTHROPIC_ENDPOINT,
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DEFAULT_REQUEST_INTERVAL,
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API_TIMEOUT,
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SERVICE_ASK_QUESTION,
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SERVICE_CLEAR_HISTORY,
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SERVICE_GET_HISTORY,
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SERVICE_SET_SYSTEM_PROMPT,
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)
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_LOGGER = logging.getLogger(__name__)
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# Validate the configuration schema
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CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
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# Schema for the ask_question service
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SERVICE_SCHEMA_ASK_QUESTION = vol.Schema({
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vol.Required("instance"): cv.string,
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vol.Required("question"): cv.string,
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vol.Optional("system_prompt"): cv.string,
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vol.Optional("model"): cv.string,
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vol.Optional("temperature"): cv.positive_float,
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vol.Optional("max_tokens"): cv.positive_int,
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})
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# Schema for setting a system prompt
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SERVICE_SCHEMA_SET_SYSTEM_PROMPT = vol.Schema({
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vol.Required("instance"): cv.string,
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vol.Required("prompt"): cv.string,
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})
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# Schema for getting history
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SERVICE_SCHEMA_GET_HISTORY = vol.Schema({
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vol.Required("instance"): cv.string,
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vol.Optional("limit"): cv.positive_int,
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vol.Optional("filter_model"): cv.string,
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})
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def get_coordinator_by_instance(hass: HomeAssistant, instance: str) -> HATextAICoordinator:
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"""Get coordinator by instance name."""
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if instance.startswith("sensor."):
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instance = instance.replace("sensor.ha_text_ai_", "", 1)
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for entry_id, coord in hass.data[DOMAIN].items():
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if isinstance(coord, HATextAICoordinator) and coord.instance_name.lower() == instance.lower():
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return coord
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raise HomeAssistantError(f"Instance {instance} not found")
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async def async_setup(hass: HomeAssistant, config: Dict[str, Any]) -> bool:
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"""Set up the HA Text AI component."""
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hass.data.setdefault(DOMAIN, {})
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# Try to copy custom icon to home assistant www directory
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try:
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source = os.path.join(os.path.dirname(__file__), 'icons', 'icon.svg')
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dest_dir = os.path.join(hass.config.path('www'), 'icons')
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os.makedirs(dest_dir, exist_ok=True)
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dest = os.path.join(dest_dir, 'icon.svg')
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if not os.path.exists(dest):
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shutil.copyfile(source, dest)
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except Exception as ex:
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_LOGGER.warning("Failed to copy custom icon: %s", str(ex))
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async def async_ask_question(call: ServiceCall) -> None:
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"""Handle ask_question service."""
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try:
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coordinator = get_coordinator_by_instance(hass, call.data["instance"])
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await coordinator.async_ask_question(
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question=call.data["question"],
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model=call.data.get("model"),
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temperature=call.data.get("temperature"),
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max_tokens=call.data.get("max_tokens"),
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system_prompt=call.data.get("system_prompt"),
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)
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except Exception as err:
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_LOGGER.error("Error asking question: %s", str(err))
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raise HomeAssistantError(f"Failed to process question: {str(err)}")
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async def async_clear_history(call: ServiceCall) -> None:
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"""Handle clear_history service."""
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try:
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coordinator = get_coordinator_by_instance(hass, call.data["instance"])
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await coordinator.async_clear_history()
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except Exception as err:
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_LOGGER.error("Error clearing history: %s", str(err))
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raise HomeAssistantError(f"Failed to clear history: {str(err)}")
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async def async_get_history(call: ServiceCall) -> list:
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"""Handle get_history service."""
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try:
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coordinator = get_coordinator_by_instance(hass, call.data["instance"])
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return await coordinator.async_get_history(
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limit=call.data.get("limit"),
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filter_model=call.data.get("filter_model")
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)
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except Exception as err:
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_LOGGER.error("Error getting history: %s", str(err))
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raise HomeAssistantError(f"Failed to get history: {str(err)}")
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async def async_set_system_prompt(call: ServiceCall) -> None:
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"""Handle set_system_prompt service."""
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try:
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coordinator = get_coordinator_by_instance(hass, call.data["instance"])
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await coordinator.async_set_system_prompt(call.data["prompt"])
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except Exception as err:
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_LOGGER.error("Error setting system prompt: %s", str(err))
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raise HomeAssistantError(f"Failed to set system prompt: {str(err)}")
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# Registering services to handle different functionalities
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hass.services.async_register(
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DOMAIN,
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SERVICE_ASK_QUESTION,
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async_ask_question,
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schema=SERVICE_SCHEMA_ASK_QUESTION
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)
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hass.services.async_register(
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DOMAIN,
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SERVICE_CLEAR_HISTORY,
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async_clear_history,
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schema=vol.Schema({vol.Required("instance"): cv.string})
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)
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hass.services.async_register(
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DOMAIN,
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SERVICE_GET_HISTORY,
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async_get_history,
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schema=SERVICE_SCHEMA_GET_HISTORY
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)
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hass.services.async_register(
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DOMAIN,
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SERVICE_SET_SYSTEM_PROMPT,
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async_set_system_prompt,
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schema=SERVICE_SCHEMA_SET_SYSTEM_PROMPT
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)
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return True
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async def async_check_api(session, endpoint: str, headers: dict, provider: str) -> bool:
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"""Check API availability for different providers."""
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try:
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if provider == API_PROVIDER_ANTHROPIC:
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check_url = f"{endpoint}/v1/models"
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else: # OpenAI
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check_url = f"{endpoint}/models"
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async with timeout(API_TIMEOUT):
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async with session.get(check_url, headers=headers) as response:
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if response.status in [200, 404]:
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return True
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elif response.status == 401:
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raise ConfigEntryNotReady("Invalid API key")
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elif response.status == 429:
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_LOGGER.warning("Rate limit exceeded during API check")
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return False
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else:
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_LOGGER.error("API check failed with status: %d", response.status)
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return False
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except Exception as ex:
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_LOGGER.error("API check error: %s", str(ex))
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return False
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async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Set up HA Text AI from a config entry."""
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try:
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# Ensure the API provider is specified
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if CONF_API_PROVIDER not in entry.data:
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_LOGGER.error("API provider not specified")
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raise ConfigEntryNotReady("API provider is required")
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session = aiohttp_client.async_get_clientsession(hass)
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api_provider = entry.data.get(CONF_API_PROVIDER)
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model = entry.data.get(CONF_MODEL, DEFAULT_MODEL)
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endpoint = entry.data.get(
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CONF_API_ENDPOINT,
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DEFAULT_OPENAI_ENDPOINT if api_provider == API_PROVIDER_OPENAI
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else DEFAULT_ANTHROPIC_ENDPOINT
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).rstrip('/')
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api_key = entry.data[CONF_API_KEY]
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instance_name = entry.data.get(CONF_NAME, entry.entry_id)
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is_anthropic = api_provider == API_PROVIDER_ANTHROPIC
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headers = {
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"Content-Type": "application/json",
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"Accept": "application/json"
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}
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# Set appropriate headers based on the provider
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if is_anthropic:
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headers["x-api-key"] = api_key
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headers["anthropic-version"] = "2023-06-01"
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else:
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headers["Authorization"] = f"Bearer {api_key}"
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# Check the API connection
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if not await async_check_api(session, endpoint, headers, api_provider):
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raise ConfigEntryNotReady("API connection failed")
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_LOGGER.debug("Creating API client for %s with endpoint %s", api_provider, endpoint)
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# Initialize the API client
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api_client = APIClient(
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session=session,
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endpoint=endpoint,
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headers=headers,
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api_provider=api_provider,
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model=model,
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)
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# Initialize and set up the coordinator
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coordinator = HATextAICoordinator(
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hass=hass,
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client=api_client,
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model=model,
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update_interval=entry.data.get(CONF_REQUEST_INTERVAL, DEFAULT_REQUEST_INTERVAL),
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instance_name=instance_name,
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max_tokens=entry.data.get(CONF_MAX_TOKENS, DEFAULT_MAX_TOKENS),
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temperature=entry.data.get(CONF_TEMPERATURE, DEFAULT_TEMPERATURE),
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is_anthropic=is_anthropic,
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)
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coordinator.data = coordinator._initial_state.copy()
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_LOGGER.debug(f"Initial state set for coordinator {instance_name}")
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await coordinator.async_config_entry_first_refresh
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