flaskr.py

from flask import Flask
from flask.ext.sqlalchemy import SQLAlchemy

app = Flask(__name__)

app.config["DATABASE"] = 'database.db'
db = SQLAlchemy(app)

class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(80), unique=True)

    def __init__(self,name):
        self.name = name

    def __repr__(self):
        return '<User %r>' % self.name