[Tutor] problem with python3.5 headfirst python 2nd ed chpt 10 test drive example decorator issues

[Alan Gauld]

On 28/09/17 23:35, peter wrote:
> I am on chapter 10 of headfirst python second edition. got most of the 
> prior codes to work but am stuck on this one.

I don;t know the book and only vaguely know Flask, but I'd start by
adding some debug print statements to the functions.

Something like

def ....
  s = str(session[logged_in])
  return s + ...

To see what the actual value is in each call.

> def check_logged_in(func):
>      @wraps(func)
>      def wrapper(*args, **kwargs):
>          if 'logged _in' in session:
>              return func(*args, **kwargs)

Maybe try returning session.keys() in this func?

>          return 'You are not logged in.'
>      return wrapper
> 

> @app.route('/')
> def hello() -> str:
>      return 'Hello from the simple webapp.'
> 
> 
> @app.route('/page1')
> @check_logged_in
> def page1():
>      return 'this is page 1.'
> 
> @app.route('/page2')
> @check_logged_in
> def page2():
>      return 'this is page 2.'
> 
> @app.route('/page3')
> @check_logged_in
> def page3():
>      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 = 'yes'
> 
> if __name__ == '__main__':
>      app.run(debug=True)
-- 
Alan G
Author of the Learn to Program web site
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