32 lines
865 B
Python
32 lines
865 B
Python
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"""Async SQLAlchemy engine and session factory."""
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from sqlalchemy.pool import NullPool
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from app.core.config import settings
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engine = create_async_engine(
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settings.DATABASE_URL,
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echo=settings.APP_DEBUG,
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poolclass=NullPool, # SQLite doesn't support connection pooling across threads
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)
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AsyncSessionFactory = async_sessionmaker(
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engine,
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class_=AsyncSession,
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expire_on_commit=False,
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)
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async def get_async_session() -> AsyncSession:
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"""Dependency that provides an async database session."""
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async with AsyncSessionFactory() 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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