ja.py

#!/usr/bin/env python


from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from safrs import SAFRSBase, SAFRSAPI, jsonapi_attr

db = SQLAlchemy()

class User(SAFRSBase, db.Model):
    """
        description: User description
    """

    __tablename__ = "Users"
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String)
    email = db.Column(db.String)


@jsonapi_attr
def test_attr(self):
    return 'blah'

@test_attr.setter
def test_attr(self, val):
    print(f"Setting test_attr: '{val}'")

User.test_attr = test_attr

def create_api(app, host="localhost", port=5000, api_prefix=""):
    api = SAFRSAPI(app, host=host, port=port, prefix=api_prefix)
    api.expose_object(User)
    user = User(name="test", email="email@x.org")
    print(f"Created API: http://{host}:{port}/{api_prefix}")


def create_app(config_filename=None, host="localhost"):
    app = Flask("demo_app")
    app.config.update(SQLALCHEMY_DATABASE_URI="sqlite://")
    db.init_app(app)
    with app.app_context():
        db.create_all()
        create_api(app, host)
    return app


host = "localhost"
app = create_app(host=host)

if __name__ == "__main__":
    app.run(host=host)