[Zope] session invalidate - using python

[Chris McDonough]

I would just add a key/value pair to the session data object at some
opportune point in the user's experience with your site.  If it
doesn't exist, the session data object is new or an old one has been
expired.

- C


----- Original Message -----
From: "p.t." <p.training@tin.it>
To: "Chris McDonough" <chrism@zope.com>; "'Zope@Zope. Org' (E-mail)"
<zope@zope.org>
Sent: Wednesday, October 30, 2002 5:26 PM
Subject: Re: [Zope] session invalidate - using python


> Chris,
> thanks for the very clear explanation.
> In effect, I was trying to undestand how session expiring works,
because
> I'm looking for a way to detect when a request coming from a
browser
> associated to a session find the session expired.
> Have you a suggestion?
> TIA,
>          p.t.
>
> At 16:53 30/10/2002 -0500, Chris McDonough wrote:
> >No.  By doing data.invalidate(), you've invalidated the data
object
> >(which means it will eventually be removed from the session data
> >container), but that won't magically turn it in to the None
object.
> >
> >It makes sense that on each call you're getting a new data object
as
> >you're invalidating the old one.
> >
> >getSessionData returns a session data object associated with the
> >current browser id.  The "create=0" argument doesn't mean "dont
> >create a session data object", it means "don't create a session
data
> >object unless there is a current browser id".  Since there is a
> >current browser id, a session data object is returned instead of
> >None.
>
>