SqlAlchemy在Tornado中工作的助手
tornado-sqlalchem的Python项目详细描述
与Tornado一起使用SQLAlchemy的Python帮助程序
安装
$ pip install tornado-sqlalchemy
用法
fromtornado.genimportcoroutinefromtornado.webimportApplication,RequestHandlerfromtornado_sqlalchemyimportas_future,make_session_factory,SessionMixinclassNativeCoroutinesRequestHandler(SessionMixin,RequestHandler):asyncdefget(self):withself.make_session()assession:count=awaitas_future(session.query(UserModel).count)self.write('{} users so far!'.format(count))classGenCoroutinesRequestHandler(SessionMixin,RequestHandler):@coroutinedefget(self):withself.make_session()assession:count=yieldas_future(session.query(UserModel).count)self.write('{} users so far!'.format(count))classSynchronousRequestHandler(SessionMixin,RequestHandler):defget(self):withself.make_session()assession:count=session.query(UserModel).count()self.write('{} users so far!'.format(count))handlers=((r'/native-coroutines',NativeCoroutinesRequestHandler),(r'/gen-coroutines',GenCoroutinesRequestHandler),(r'/sync',SynchronousRequestHandler),)app=Application(handlers,session_factory=make_session_factory('postgres://user:password@host/database'))
文件
文档可在Read The Docs获得。
开发
若要处理此软件包，请确保已安装Python3.5+
- git克隆存储库-
git clone https://github.com/siddhantgoel/tornado-sqlalchemy - 安装开发所需的软件包-
make install-deps - 基本上就是这样。现在您应该可以运行测试套件了-
py.test tests/
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