sqlalchemy multiple db 源码

sqlalchemy-multiple-db sqlalchemy-multiple-db helper可轻松连接到多个数据库。 安装 sqlalchemy-multiple-db在PyPI上可用。 使用pip安装: $ pip install sqlalchemy-multiple-db 基本用法 from sqlalchemy_multiple_db import DBConfig , db db . setup ({ "test1" : DBConfig ( dsn = "sqlite://" ), "test2" : DBConfig ( dsn = "sqlite://" )}) with db . session_scope ( "test1" ) as session : assert session . execute ( "select 1;" ) with