ac0f086821
- 完成 T-001A: 前端项目初始化 (Next.js 14 + TypeScript + Tailwind CSS) - 完成 T-001B: 后端项目初始化 (FastAPI + SQLAlchemy + asyncpg) - 完成 T-002: 数据库配置 (KolVideo 模型 + 索引 + 测试) - 完成 T-003: 基础 UI 框架 (Header/Footer 组件 + 品牌色系) - 完成 T-004: 环境变量配置 (前后端环境变量) Co-Authored-By: Claude <noreply@anthropic.com>
35 lines
762 B
Python
35 lines
762 B
Python
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
|
|
from sqlalchemy.orm import DeclarativeBase
|
|
|
|
from app.config import settings
|
|
|
|
# 创建异步引擎
|
|
engine = create_async_engine(
|
|
settings.DATABASE_URL,
|
|
echo=False,
|
|
pool_pre_ping=True,
|
|
pool_size=10,
|
|
max_overflow=20,
|
|
)
|
|
|
|
# 创建异步会话工厂
|
|
async_session_maker = async_sessionmaker(
|
|
engine,
|
|
class_=AsyncSession,
|
|
expire_on_commit=False,
|
|
)
|
|
|
|
|
|
class Base(DeclarativeBase):
|
|
"""Base class for all models."""
|
|
pass
|
|
|
|
|
|
async def get_db() -> AsyncSession:
|
|
"""Dependency to get database session."""
|
|
async with async_session_maker() as session:
|
|
try:
|
|
yield session
|
|
finally:
|
|
await session.close()
|