51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
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"""Tiny code to test SQLAlchemy"""
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from datetime import datetime
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from sqlalchemy import Column, DateTime, String, Integer, Float, Boolean, ForeignKey
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from sqlalchemy.orm import relationship, backref
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from sqlalchemy.ext.declarative import declarative_base
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Base = declarative_base()
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class Sensor(Base):
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__tablename__ = 'sensor'
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address = Column(Integer, primary_key=True)
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type = Column(String)
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zone = Column(String)
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class Record(Base):
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__tablename__ = 'record'
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id = Column(Integer, primary_key=True)
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datetime = Column(DateTime)
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address = Column(Integer, ForeignKey('sensor.address'))
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sensor = relationship(Sensor, backref=backref('records', uselist=True))
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valid_auth = Column(Boolean)
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value = Column(Float)
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if __name__ == "__main__":
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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engine = create_engine('sqlite:///')
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session = sessionmaker()
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session.configure(bind=engine)
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Base.metadata.create_all(engine)
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s = session()
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zones = ['chambre', 'salon', 'cuisine']
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sensors = [161, 162, 163]
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for zone, address in zip(zones, sensors):
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s.add(Sensor(address=address, type='temp', zone=zone))
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s.commit()
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for sensor in s.query(Sensor).all():
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print(f"{sensor.address}: type={sensor.type}, zone={sensor.zone}")
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s.close()
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