retro/app.py

from flask import Flask, render_template, jsonify, redirect, url_for
from char import get_stats, data

app = Flask(__name__)

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/stats')
def _get_stats():
    return jsonify(get_stats())

@app.route('/data')
def get_data():
    return jsonify(data)

@app.route('/submit')
def submit():
    return redirect(url_for('index'))