41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
from collections.abc import AsyncGenerator
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from typing import Any
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from src.config import get_settings
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settings = get_settings()
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# Build engine kwargs conditionally (SQLite doesn't support pool settings)
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engine_kwargs: dict[str, Any] = {
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"echo": settings.debug,
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}
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if settings.database_url.startswith("postgresql"):
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engine_kwargs.update(
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pool_pre_ping=True,
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pool_size=5,
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max_overflow=10,
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pool_recycle=3600,
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)
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engine = create_async_engine(settings.database_url, **engine_kwargs)
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async_session_factory = 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_db() -> AsyncGenerator[AsyncSession, None]:
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"""Dependency that provides a database session."""
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async with async_session_factory() 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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