from sqlalchemy import Column, Integer, ForeignKey from ._base import Entity class Device(Entity): __tablename__ = 'device' id = Column(Integer, ForeignKey(Entity.id), primary_key=True) __mapper_args__ = { 'polymorphic_identity': __tablename__, } @classmethod @property def meta(cls): return { 'icon_class': 'fa-solid fa-gear', }