example jwt python3 web app

main.py

# the packages flask and pyjwt are required for this application.
from flask import request, abort, Flask
import jwt

app = Flask(__name__)

secret = "secret_key"

@app.route("/")
def root():
    if "Authorization" in request.headers:
        data = jwt.decode(request.headers["Authorization"], secret, algorithms="HS256")
        return "Your role is %s" % data["role"]
    else:
        return "Your jwt token is %s" % jwt.encode({"role": "user"}, secret, algorithm="HS256")

app.run(host='0.0.0.0', port=2222)