from Houdini.Data import db, BaseCrumbsCollection from Houdini.Data.Penguin import PenguinPostcard class Postcard(db.Model): __tablename__ = 'postcard' ID = db.Column(db.Integer, primary_key=True) Name = db.Column(db.String(50), nullable=False) Cost = db.Column(db.Integer, nullable=False, server_default=db.text("10")) Enabled = db.Column(db.Boolean, nullable=False, server_default=db.text("false")) class PostcardCrumbsCollection(BaseCrumbsCollection): def __init__(self, inventory_id=None): super().__init__(model=Postcard, key='ID', inventory_model=PenguinPostcard, inventory_id=inventory_id)