Nouveau bac à sable pour SQLAlchemy

sqla_test.py

@@ -0,0 +1,50 @@
+"""Tiny code to test SQLAlchemy"""
+
+from datetime import datetime
+
+from sqlalchemy import Column, DateTime, String, Integer, Float, Boolean, ForeignKey
+from sqlalchemy.orm import relationship, backref
+from sqlalchemy.ext.declarative import declarative_base
+
+
+Base = declarative_base()
+
+
+class Sensor(Base):
+    __tablename__ = 'sensor'
+    address = Column(Integer, primary_key=True)
+    type = Column(String)
+    zone = Column(String)
+
+
+class Record(Base):
+    __tablename__ = 'record'
+    id = Column(Integer, primary_key=True)
+    datetime = Column(DateTime)
+    address = Column(Integer, ForeignKey('sensor.address'))
+    sensor = relationship(Sensor, backref=backref('records', uselist=True))
+    valid_auth = Column(Boolean)
+    value = Column(Float)
+    
+
+if __name__ == "__main__":
+    from sqlalchemy import create_engine
+    from sqlalchemy.orm import sessionmaker
+
+    engine = create_engine('sqlite:///')
+    session = sessionmaker()
+    session.configure(bind=engine)
+    Base.metadata.create_all(engine)
+
+    s = session()
+
+    zones = ['chambre', 'salon', 'cuisine']
+    sensors = [161, 162, 163]
+    for zone, address in zip(zones, sensors):
+        s.add(Sensor(address=address, type='temp', zone=zone))
+    s.commit()
+
+    for sensor in s.query(Sensor).all():
+        print(f"{sensor.address}: type={sensor.type}, zone={sensor.zone}")
+
+    s.close()