presenton/servers/fastapi/api/lifespan.py

22 lines
689 B
Python

from contextlib import asynccontextmanager
import os
from fastapi import FastAPI
from sqlmodel import SQLModel
from services import SQL_ENGINE
from utils.get_env import get_app_data_directory_env
from utils.model_availability import check_llm_and_image_provider_api_or_model_availability
@asynccontextmanager
async def app_lifespan(_: FastAPI):
"""
Lifespan context manager for FastAPI application.
Initializes the application data directory and checks LLM model availability.
"""
os.makedirs(get_app_data_directory_env(), exist_ok=True)
SQLModel.metadata.create_all(SQL_ENGINE)
await check_llm_and_image_provider_api_or_model_availability()
yield