| import os | |
| from dotenv import load_dotenv | |
| from sqlalchemy import create_engine | |
| from sqlalchemy.orm import declarative_base, sessionmaker | |
| # load .env file (make sure you have DATABASE_URL set) | |
| load_dotenv() | |
| DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./openmemory.db") | |
| if not DATABASE_URL: | |
| raise RuntimeError("DATABASE_URL is not set in environment") | |
| # SQLAlchemy engine & session | |
| engine = create_engine( | |
| DATABASE_URL, | |
| connect_args={"check_same_thread": False} # Needed for SQLite | |
| ) | |
| SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) | |
| # Base class for models | |
| Base = declarative_base() | |
| # Dependency for FastAPI | |
| def get_db(): | |
| db = SessionLocal() | |
| try: | |
| yield db | |
| finally: | |
| db.close() | |