simple_webapp.py

from flask import Flask, session
from checker import check_logged_in

app = Flask(__name__)

@app.route('/')
def hello() -> str:
	return 'Hello from the simple webapp.'

@app.route('/page1')
@check_logged_in
def page1() -> str:
	return 'This is page 1.'

@app.route('/page2')
@check_logged_in
def page2() -> str:
	return 'This is page 2.'

@app.route('/page3')
@check_logged_in
def page3() -> str:
	return 'This is page 3.'

@app.route('/login')
def do_login() -> str:
	session['logged_in'] = True
	return 'You are now logged in.'

@app.route('/logout')
def do_logout() -> str:
	session.pop('logged_in')
	return 'You are now logged out.'

app.secret_key = 'YouWillNeverGuess...'

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