models.py

from database import db
from flask_security import UserMixin, RoleMixin, SQLAlchemyUserDatastore

roles_users = db.Table('roles_users',
                       db.Column('user_id', db.Integer(), db.ForeignKey('user.id')),
                       db.Column('role_id', db.Integer(), db.ForeignKey('role.id')))


class User(db.Model, UserMixin):
    id = db.Column(db.Integer, primary_key=True)
    email = db.Column(db.String(255), unique=True)
    password = db.Column(db.String(255))
    active = db.Column(db.Boolean())
    confirmed_at = db.Column(db.DateTime())
    roles = db.relationship('Role', secondary=roles_users,
                            backref=db.backref('users', lazy='dynamic'))
    last_login_at = db.Column(db.DateTime())
    current_login_at = db.Column(db.DateTime())
    last_login_ip = db.Column(db.String(255))
    current_login_ip = db.Column(db.String(255))
    login_count = db.Column(db.Integer)

    def __repr__(self):
        return '<models.User[email=%s]>' % self.email


class Role(db.Model, RoleMixin):
    id = db.Column(db.Integer(), primary_key=True)
    name = db.Column(db.String(80), unique=True)
    description = db.Column(db.String(255))

user_datastore = SQLAlchemyUserDatastore(db, User, Role)


class SomeStuff(db.Model):
    __tablename__ = 'somestuff'
    id = db.Column(db.Integer, primary_key=True)
    data1 = db.Column(db.Integer)
    data2 = db.Column(db.String(10))
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=True)
    user = db.relationship(User, lazy='joined', join_depth=1, viewonly=True)