Flask + MessagePack

README

https://devcenter.heroku.com/articles/getting-started-with-python
http://flask.pocoo.org/
http://docs.python-requests.org/en/latest/
https://github.com/msgpack/msgpack-python

hello.py

# -*- coding: utf-8 -*-
import msgpack
from flask import Flask
app = Flask(__name__)


@app.route('/')
def hello():
    """
    >>> import msgpack
    >>> import requests
    >>> msgpack.unpackb(requests.get('http://0.0.0.0:5000/').content)
    [1, 2, 3]
    """
    return msgpack.packb([1, 2, 3])


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