25 lines
544 B
Python
25 lines
544 B
Python
from sqlalchemy import Column, Integer, Boolean, ForeignKey
|
|
|
|
from platypush.common.db import Base
|
|
|
|
from ._base import Entity
|
|
|
|
|
|
if 'device' not in Base.metadata:
|
|
|
|
class Device(Entity):
|
|
"""
|
|
Base class to model device entities.
|
|
"""
|
|
|
|
__tablename__ = 'device'
|
|
|
|
id = Column(
|
|
Integer, ForeignKey(Entity.id, ondelete='CASCADE'), primary_key=True
|
|
)
|
|
reachable = Column(Boolean, default=True)
|
|
|
|
__mapper_args__ = {
|
|
'polymorphic_identity': __tablename__,
|
|
}
|