在烧瓶上进行多租户应用程序

时间:2019-04-25 07:58:47

标签: python postgresql flask sqlalchemy

我正在尝试使用Flask创建多租户应用程序,我一直在遵循本指南,我在数据库中使用Postgres sql:

https://medium.com/@smirnov.am/multitenancy-with-flask-6f5375a34f55

所以我的困惑是,当我尝试重定向到指定的URL时,由于不断收到内部服务器错误,而当我查看日志时,这就是我得到的:

TypeError: index() got an unexpected keyword argument 'organization_name'

在遵循指南的同时,我将按照与他相同的确切步骤进行操作,但我只是无法获得最终的输出来表明它确实有效。

这就是我构造app.route的方式

@app.route("/<organization_name>/users")
def index(organization__name):
    organization_session = get_organization_session(organization__name)
    if not organization_session:
        print(404)
    users = organization_session.query(Organization).all()
    return jsonify({organization__name: [i.username for i in users]})

这就是我设置多租户设置的方式:


DB_URI = my postgres uri 

# Manages the the multiple dbs for the organization

@simple_cache
def get_known_organizations():
    organizations = Organization.query.all()
    return [o.name for o in organizations]


def prepare_bind(organization):
    if organization not in current_app.config['SQLALCHEMY_BINDS']:
        current_app.config['SQLALCHEMY_BINDS'][organization] = DB_URI.format(organization)
    return current_app.config['SQLALCHEMY_BINDS'][organization]


def get_organization_session(organization):
    if organization not in get_known_organizations():
        return None
    prepare_bind(organization)
    engine = db.get_engine(current_app, bind=organization)
    session_maker = db.sessionmaker()
    session_maker.configure(bind=engine)
    sesh = session_maker()
    return sesh

任何帮助将不胜感激

1 个答案:

答案 0 :(得分:3)

您的路由organization_name中有1个下划线,而函数定义中则有2个organization__name。两者都必须匹配才能正确路由。