d3dc620a71
- uv(workspace) + pnpm monorepo；docker-compose(pg+api+web) - SQLAlchemy 16 MVP 表 + Alembic 初版迁移(无漂移，users stub) - FastAPI 骨架：统一错误信封(带 request_id) + structlog + /jobs/:id + OpenAPI - Next.js 骨架：纸感主题 token + OpenAPI→TS 客户端代码生成(gen:api) - CI(ruff/mypy/pytest + pg service + alembic 漂移校验) - 四份设计规格(PRODUCT/UX/ARCHITECTURE/DEV_PLAN) + CLAUDE.md
28 lines
762 B
Python
28 lines
762 B
Python
"""async engine / session（ARCH §2.3：同进程，async-first）。"""
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from __future__ import annotations
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from collections.abc import AsyncIterator
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from functools import lru_cache
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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 ww_config import get_settings
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@lru_cache
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def get_sessionmaker() -> async_sessionmaker[AsyncSession]:
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settings = get_settings()
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engine = create_async_engine(settings.database_url, pool_pre_ping=True)
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return async_sessionmaker(engine, expire_on_commit=False)
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async def get_session() -> AsyncIterator[AsyncSession]:
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"""FastAPI 依赖：每请求一个 session。"""
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sm = get_sessionmaker()
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async with sm() as session:
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yield session
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