text: import os
  from sqlalchemy import create_engine
  from sqlalchemy.orm import sessionmaker
  from sqlalchemy.ext.declarative import declarative_base
  from etl.config import ETLConfig as cfg
  
  
  db_path = "sqlite:///" + os.path.join(cfg.DATA_DIR, f"{cfg.DB_NAME}.sqlite3")
  
  engine = create_engine(db_path)
  
  Session = sessionmaker(bind=engine)
  
  Base = declarative_base()
  