application.py 文件源码

def register():
    form = RegistrationForm()
    if current_user.is_authenticated:
        return redirect(url_for('profile', username=current_user.username))
    if form.validate_on_submit():
        # Check to make sure username not taken
        if db_utils.user_exists(engine, form.username.data):
            flash('Username already taken.', 'danger')
            return redirect(url_for('register'))
        # Create user
        else:
            db_utils.create_user(engine,
                                 form.username.data,
                                 form.password.data,
                                 form.email.data)
            flash('Thanks for registering', 'success')
            return redirect(url_for('login'))
    return render_template('register.html', form=form)