import flask import flask_wtf.csrf import wtforms user = flask.Blueprint('user', __name__, template_folder='./templates/user') class RegisterUserForm(flask_wtf.FlaskForm): username = wtforms.StringField("Username", [ wtforms.validators.Length(min=4, max=32), wtforms.validators.DataRequired() ]) password = wtforms.PasswordField("Password", [ wtforms.validators.Length(min=8, max=64), wtforms.validators.DataRequired() ]) @user.route('/user/add/', methods=["POST"]) def add_user(): pass @user.route('/user/register/') def register_user(): form = RegisterUserForm() return flask.render_template('register.html', form=form)