Adolfo Delorenzo
5714acf741
- pyproject.toml: uv workspace with 5 member packages (shared, gateway, router, orchestrator, llm-pool) - docker-compose.yml: PostgreSQL 16 + Redis 7 + Ollama services on konstruct-net - .env.example: all required env vars documented, konstruct_app role (not superuser) - scripts/init-db.sh: creates konstruct_app role at DB init time - packages/shared/shared/config.py: Pydantic Settings loading all env vars - packages/shared/shared/models/message.py: KonstructMessage, ChannelType, SenderInfo, MessageContent - packages/shared/shared/models/tenant.py: Tenant, Agent, ChannelConnection SQLAlchemy 2.0 models - packages/shared/shared/models/auth.py: PortalUser model for admin portal auth - packages/shared/shared/db.py: async SQLAlchemy engine, session factory, get_session dependency - packages/shared/shared/rls.py: current_tenant_id ContextVar and configure_rls_hook with parameterized SET LOCAL - packages/shared/shared/redis_keys.py: tenant-namespaced key constructors (rate_limit, idempotency, session, engaged_thread)
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
"""
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Async SQLAlchemy engine and session factory.
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Usage in FastAPI:
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async def route(session: AsyncSession = Depends(get_session)):
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...
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Usage in tests:
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async with async_session_factory() as session:
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...
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"""
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from __future__ import annotations
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from collections.abc import AsyncGenerator
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from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, async_sessionmaker, create_async_engine
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from shared.config import settings
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# ---------------------------------------------------------------------------
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# Engine — one per process; shared across all requests
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# ---------------------------------------------------------------------------
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engine: AsyncEngine = create_async_engine(
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settings.database_url,
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echo=settings.debug,
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pool_pre_ping=True,
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pool_size=10,
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max_overflow=20,
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)
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# ---------------------------------------------------------------------------
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# Session factory
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# ---------------------------------------------------------------------------
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async_session_factory: async_sessionmaker[AsyncSession] = 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_session() -> AsyncGenerator[AsyncSession, None]:
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"""
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FastAPI dependency that yields an async database session.
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The session is automatically closed (and the connection returned to the
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pool) when the request context exits, even if an exception is raised.
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Example:
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@router.get("/agents")
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async def list_agents(session: AsyncSession = Depends(get_session)):
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result = await session.execute(select(Agent))
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return result.scalars().all()
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"""
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async with async_session_factory() as session:
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yield session
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