30 lines
751 B
Python
30 lines
751 B
Python
from sqlalchemy import Column, Integer, ForeignKey, Float, String
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from platypush.common.db import Base
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from .devices import Device
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if 'dimmer' not in Base.metadata:
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class Dimmer(Device):
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"""
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This class models dimmer entities. A dimmer is any actionable entity
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with numeric values and an optional min/max range.
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"""
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__tablename__ = 'dimmer'
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id = Column(
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Integer, ForeignKey(Device.id, ondelete='CASCADE'), primary_key=True
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)
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min = Column(Float)
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max = Column(Float)
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step = Column(Float, default=1.0)
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value = Column(Float)
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unit = Column(String)
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__mapper_args__ = {
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'polymorphic_identity': __tablename__,
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}
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