platypush/platypush/entities/linkquality.py

25 lines
649 B
Python

from sqlalchemy import Column, Integer, ForeignKey
from platypush.common.db import Base
from .sensors import NumericSensor
if 'link_quality' not in Base.metadata:
class LinkQuality(NumericSensor):
__tablename__ = 'link_quality'
def __init__(
self, *args, unit: str = '%', min: float = 0, max: float = 100, **kwargs
):
super().__init__(*args, min=min, max=max, unit=unit, **kwargs)
id = Column(
Integer, ForeignKey(NumericSensor.id, ondelete='CASCADE'), primary_key=True
)
__mapper_args__ = {
'polymorphic_identity': __tablename__,
}