DataClaw/dataclaw-api/app/database.py

import os
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

from app.core.data_root import ensure_data_layout, get_data_root

# Ensure DATA_ROOT directory layout exists before SQLite engine init
ensure_data_layout()

# Ensure dataclaw.db is created in the global data directory
DB_PATH = get_data_root() / "dataclaw.db"
SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_PATH}"

engine = create_engine(
    SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

Base = declarative_base()

def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()