from sqlalchemy import create_engine from sqlalchemy.orm import sessionmaker, declarative_base SQLALCHEMY_DATABASE_URL = "sqlite:///./alumni.db" engine = create_engine( SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False} ) SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base = declarative_base() # Dependency def get_db(): db = SessionLocal() try: yield db finally: db.close()