40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
"""SQLAlchemy 2.0 async 엔진 + 세션 팩토리.
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API(main.py)와 워커(worker.py)가 공유한다. asyncpg 드라이버 사용.
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"""
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from __future__ import annotations
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from collections.abc import AsyncGenerator
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from sqlalchemy.ext.asyncio import (
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AsyncSession,
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async_sessionmaker,
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create_async_engine,
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)
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from sqlalchemy.orm import DeclarativeBase
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from .config import settings
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class Base(DeclarativeBase):
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pass
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engine = create_async_engine(settings.database_url, echo=False, pool_pre_ping=True)
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SessionLocal = async_sessionmaker(engine, expire_on_commit=False, class_=AsyncSession)
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""FastAPI 의존성: 요청당 세션."""
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async with SessionLocal() as session:
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yield session
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async def init_db() -> None:
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"""테이블 생성 (없으면). 단순화를 위해 alembic 대신 create_all 사용."""
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from . import models # noqa: F401 (모델 등록)
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async with engine.begin() as conn:
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await conn.run_sync(Base.metadata.create_all)
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