Receiving and Setting Cookies using Flask

gistfile1.py

from flask import Flask, request, make_response
from datetime import datetime, timedelta
from twilio import twiml

app = Flask(__name__)

@app.route("/sms")
def sms():

    #get the cookie value, or default to zero
    messagecount = int(request.cookies.get('messagecount',0))
    messagecount += 1

    twml = twiml.Response()
    twml.sms("You've sent " + str(messagecount) + " messages in this conversation so far")

    resp = make_response(str(twml))

    expires=datetime.utcnow() + timedelta(hours=4)
    resp.set_cookie('messagecount',value=str(messagecount),expires=expires.strftime('%a, %d %b %Y %H:%M:%S GMT'))

    return resp

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