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JARVIS/backend/app/database.py

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2026-03-21 10:13:29 +08:00
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
from sqlalchemy.orm import DeclarativeBase
from app.config import settings
import os
os.makedirs(settings.DATA_DIR, exist_ok=True)
engine = create_async_engine(
settings.DATABASE_URL,
echo=settings.DEBUG,
pool_pre_ping=True,
)
async_session = async_sessionmaker(
engine,
class_=AsyncSession,
expire_on_commit=False,
)
class Base(DeclarativeBase):
pass
async def get_db() -> AsyncSession:
async with async_session() as session:
try:
yield session
finally:
await session.close()
async def init_db():
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)