utils/life_span.py

from contextlib import asynccontextmanager

from fastapi import FastAPI
from loguru import logger


@asynccontextmanager
async def lifespan(app: FastAPI):
    # Load the ML model
    from app.ner.services.ner import NER

    ner: NER = NER()
    ner.load_model()
    app.state.ner = ner
    logger.info("NER model loaded successfully.")
    yield
    # Clean up the ML models and release the resources
    logger.info("Cleaning up NER model...")
    del app.state.ner