Slide 9
Slide 9 text
# flask_app.py
import os
import pickle
from uuid import uuid1
from flask import Flask, make_response, request
from base64 import b64encode, b64decode
# The User Class which assigns a random ID to
each connection
class UserID:
def __init__(self, uuid=None):
self.uuid = str(uuid1())
def __str__(self):
return self.uuid
# The main Flask Backend
app = Flask(__name__)
@app.route('/', methods=['GET'])
def index():
obj = request.cookies.get('uuid')
if obj == None:
msg = "Seems like you didn't have a cookie. No
worries! I'll set one now!"
response = make_response(msg)
obj = UserID()
response.set_cookie('uuid',
b64encode(pickle.dumps(obj)))
return response
else:
return "Hey there!
{}!".format(pickle.loads(b64decode(obj)))
if __name__ == "__main__":
app.run(host='0.0.0.0')