#!/usr/bin/env python3 from flask import Flask, request, Response, abort, render_template from flask_login import LoginManager, login_user, logout_user, login_required, UserMixin from collections import defaultdict app = Flask(__name__) login_manager = LoginManager() login_manager.init_app(app) app.config['SECRET_KEY'] = "secret" class User(UserMixin): def __init__(self, id, name, password): self.