dewauide.py

from flask import Flask, abort

app = Flask('aplikasi pertama')
session_nya = {}

@app.route('/login')
def login():
    if not session_nya.get('user'):
        session_nya['user'] = "arian"
        return 'berhasil login'
    abort(400, pesan='anda sudah login sebelumnya')


@app.route('/home')
def rumah():
    if not session_nya.get('user'):
        abort(403, pesan="anda belum login")
    return "hai " + session_nya['user']


@app.route('/setting')
def setting():
    if not session_nya.get('user'):
        abort(403, pesan="anda belum login")
    return "ini halaman sesttingmu " + session_nya['user'] + " :)"


@app.route('/logout')
def logout():
    if not session_nya.get('user'):
        abort(403, pesan="anda belum login")
    session_nya.pop('user')
    return "berhasil logout"
  
if __name__ == '__main__':
    app.run()