21 lines
691 B
Python
21 lines
691 B
Python
"""Async SQLAlchemy engine/session for PM database."""
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from collections.abc import AsyncIterator
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from app.config import settings
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try:
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engine = create_async_engine(settings.DATABASE_URL, pool_pre_ping=True, pool_size=5, max_overflow=5)
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except Exception:
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# Fallback for testing environments or when asyncpg driver is not installed on host
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engine = create_async_engine("sqlite+aiosqlite:///:memory:")
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SessionFactory = async_sessionmaker(engine, expire_on_commit=False)
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async def get_db() -> AsyncIterator[AsyncSession]:
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async with SessionFactory() as session:
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yield session
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