from .. import db from datetime import datetime class Impulse(db.Model): id = db.Column(db.Integer, primary_key=True) power = db.Column(db.Integer, nullable=False) created_at = db.Column(db.DateTime, default=datetime.now, nullable=False) def __repr__(self): return 'Impulse {} with power of {} watts at {}'.format(self.name, self.power, self.created_at)