gistfile1.py

from flask import Flask, make_response, request, render_template
import json
import uuid

app = Flask(__name__)
app.order_identity = 0

orders = []

class Order(object):

    def __init__(self, identity, items):
        self.identity = identity
        self.items = items

@app.route("/order", methods=["POST"])
def create_order():
    app.order_identity += 1
    data = json.loads(request.data.decode("utf-8"))
    order = Order(app.order_identity, data["items"])
    orders.append(order)
    response = make_response()
    response.status = "201 Order Created"
    response.headers['Location'] = "/order/{}".format(app.order_identity)
    return response

@app.route("/orders", methods=["GET"])
def show_orders():
    return render_template('orders.j2', orders=orders)

if __name__ == "__main__":
    app.run(debug=True)