30 lines
664 B
Python
30 lines
664 B
Python
from sqlalchemy import create_engine
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy.orm import sessionmaker
|
|
from app.core.config import settings
|
|
import pymysql
|
|
|
|
# 安装pymysql作为MySQLdb的替代
|
|
pymysql.install_as_MySQLdb()
|
|
|
|
# 创建数据库引擎
|
|
engine = create_engine(
|
|
settings.DATABASE_URL,
|
|
echo=settings.DEBUG,
|
|
pool_pre_ping=True,
|
|
pool_recycle=300
|
|
)
|
|
|
|
# 创建会话工厂
|
|
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
|
|
|
|
# 创建基础模型类
|
|
Base = declarative_base()
|
|
|
|
# 数据库依赖
|
|
def get_db():
|
|
db = SessionLocal()
|
|
try:
|
|
yield db
|
|
finally:
|
|
db.close() |