Files
YG_FT/backend/app/db/session.py
wuyongtao a72b8f1e4b feat: 更新后端平台模块、数据库、Compute引擎及多项配置文档
- 更新 backend 平台 API、platform_store、session 数据库模块
- 新增 backend SQL 初始化脚本
- 更新 compute 引擎适配器及 README
- 更新 Docker 部署配置(app/compute)
- 更新前端入口、环境类型声明及 README
- 新增 docs/menu-functional-requirements.md 菜单功能需求文档
- 更新多项项目文档

Co-Authored-By: Claude <noreply@anthropic.com>
2026-07-21 10:55:44 +08:00

41 lines
882 B
Python

from __future__ import annotations
import os
from collections.abc import Generator
from contextlib import contextmanager
from sqlalchemy import create_engine
from sqlalchemy.orm import Session, sessionmaker
DATABASE_URL = os.getenv("DATABASE_URL", "postgresql+psycopg://yg_ft:change_me@localhost:15432/yg_ft")
engine = create_engine(
DATABASE_URL,
pool_pre_ping=True,
future=True,
)
SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, expire_on_commit=False, future=True)
def get_db() -> Generator[Session, None, None]:
db = SessionLocal()
try:
yield db
finally:
db.close()
@contextmanager
def session_scope() -> Generator[Session, None, None]:
db = SessionLocal()
try:
yield db
db.commit()
except Exception:
db.rollback()
raise
finally:
db.close()