from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker import os # Create 'data' directory at root if it doesn't exist if not os.path.exists("data"): os.makedirs("data") engine = create_engine("sqlite:///data/data.db") SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base = declarative_base()