CG.py

from flask.ext.bootstrap import Bootstrap
from flask.ext.wtf import Form
from flask.ext.sqlalchemy import SQLAlchemy
from wtforms import StringField, SubmitField
from wtforms.validators import Required
from flask import Flask, render_template, session, redirect, url_for, flash
import os

app = Flask(__name__, static_url_path='')

basedir = os.path.abspath(os.path.dirname(__file__))
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(basedir, 'data.sqlite')
app.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True

db = SQLAlchemy(app)

class Role(db.Model):
    __tablename__ = 'roles'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), unique=True)

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


class User(db.Model):
    __tablename__ = 'users'
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), unique=True, index=True)

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


class NameForm(Form):
    name = StringField('What is your name?', validators=[Required()])
    submit = SubmitField('Submit')


app.config['SECRET_KEY'] = 'you-will-never-guess'

bootstrap = Bootstrap(app)


@app.route('/', methods=['GET', 'POST'])
def index():
    """
    POST/redirect/GET pattern
    """
    form = NameForm()
    if form.validate_on_submit():
        old_name = session.get('name')
        if old_name is not None and old_name != form.name.data:
            flash('Looks like you have changed your name!')
        session['name'] = form.name.data
        form.name.data = ''
        return redirect(url_for('index'))
    return render_template('index.html', form = form, name = session.get('name'))



@app.route('/user/<name>')
def hello_name(name):
    return render_template('user.html', name=name)


@app.errorhandler(404)
def page_not_found(e):
    return render_template('404.html'), 404


@app.errorhandler(500)
def internal_server_error(e):
    return render_template('500.html', e=e), 500


if __name__ == '__main__':
    app.run()