92ec910a13
Shared backend + frontend for multi-customer EMS deployments. - 12 enterprise modules: quota, cost, charging, maintenance, analysis, etc. - 120+ API endpoints, 37 database tables - Customer config mechanism (CUSTOMER env var + YAML config) - Collectors: Modbus TCP, MQTT, HTTP API, Sungrow iSolarCloud - Frontend: React 19 + Ant Design + ECharts + Three.js - Infrastructure: Redis cache, rate limiting, aggregation engine Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
28 lines
762 B
Python
28 lines
762 B
Python
from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
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from sqlalchemy.orm import DeclarativeBase
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from app.core.config import get_settings
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settings = get_settings()
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engine_kwargs = {"echo": settings.DEBUG}
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if not settings.is_sqlite:
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engine_kwargs["pool_size"] = 20
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engine_kwargs["max_overflow"] = 10
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engine = create_async_engine(settings.DATABASE_URL, **engine_kwargs)
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async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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class Base(DeclarativeBase):
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pass
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async def get_db():
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async with async_session() 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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