34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
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"""Connexion et sessions de base de données async."""
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from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
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from backend.config.settings import get_settings
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from backend.database.models import Base
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settings = get_settings()
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# Convertir l'URL SQLite en version async
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DB_URL = settings.database_url
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if DB_URL.startswith("sqlite:///"):
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DB_URL = DB_URL.replace("sqlite:///", "sqlite+aiosqlite:///")
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engine = create_async_engine(DB_URL, echo=settings.debug, pool_pre_ping=True)
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AsyncSessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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async def init_db():
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"""Crée toutes les tables si elles n'existent pas."""
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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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async def get_db():
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"""Dépendance FastAPI - fournit une session DB."""
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async with AsyncSessionLocal() as session:
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try:
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yield session
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await session.commit()
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except Exception:
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await session.rollback()
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raise
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finally:
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await session.close()
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