[Zope] Invalidating a session, creating a new

[Sune Broendum Woeller]

Hi all,
I never really got an answer for the below question,
of course maybe the answer isn't there ; ) but
never the less I try again.

I have now tested it with Zope 2.7.3 and get the same results.

Is this an error with the zope sessioning machinery
or with the specification in the zope book ?

Should it be possible to invalidate a session
and create a new session during the same request ?

greetings,
Sune


>
> Sorry, I'm running both zope 2.7.1
> and 2.7.2. (Windows XP, and FreeBSD)
>
> Sune
>
>
> >
> >
> > Which Zope are you running?  There were major changes to the session
> > mechanism in 2.7.X.
> >
> > On Sat, 23 Oct 2004, Sune Broendum Woeller wrote:
> >
> > > Hi all,
> > >
> > > In the zope book, sessions chapter, is written:
> > >
> > > "Manually Invalidating A Session Data Object
> > >
> > > Developers can manually invalidate a session data object.
> When a session
> > > data object is invalidated, it will be flushed from the system,
> > and will not
> > > be returned by subsequent references to REQUEST.SESSION or
> > getSessionData().
> > > "
> > >
> > > and :
> > >
> > > "...subsequent references to REQUEST.SESSION in this same request will
> > > return a new session data object."
> > >
> > > I would like to be able to invalidate the session object, and
> > then create a
> > > new session with a new key, to be accessed in the next request.
> > >
> > > But I find that when invalidating a session data object, I can *still*
> > > access the old session data in subsequent references to
> > REQUEST.SESSION, in
> > > the same request that is. I do not get a new session data object, as I
> > > should according to the zope book. And therefore I can not
> > reference the new
> > > keys I create in the following requests.
> > >
> > > Has anyone got a solution for this problem ?
> > >
> > > It seems the invalidation goes on "between" requests.
> > >
> > > Is this an error with the sessioning machinery or in the zope book ?
> > >
> > > Below there are three test scripts, that shows what is going on.
> > >
> > > greetings,
> > > Sune B. Woeller
> > >
> > >
> > >
> > >
> > > file test1.py:
> > > ******
> > > s = context.REQUEST.SESSION
> > >
> > > s['mykey']='myvalue'
> > >
> > > print "Page 1, add a key to session.<br />"
> > > print "session : <br />"
> > > print s
> > > print "<br /><br />"
> > > print '<a href ="test2">Page 2, invalidate session and add a
> > new key</a><br
> > > />'
> > > print '<a href ="test3">Page 3, show session</a><br />'
> > >
> > > return printed
> > >
> > > *****
> > >
> > > file test2.py:
> > > *****
> > > s = context.REQUEST.SESSION
> > >
> > > print "Page 2, invalidate session and add a new key.<br />"
> > >
> > > s.invalidate()
> > >
> > > s['mySecondKey']='mySecondValue'
> > > print "session after invalidate: <br />"
> > > print s
> > >
> > > print "<br /><br />"
> > > print '<a href ="test1">Page 1, add a key to session</a><br />'
> > > print '<a href ="test3">Page 3, show session</a><br />'
> > >
> > > return printed
> > >
> > > *****
> > >
> > > file test3.py:
> > > *****
> > > s = context.REQUEST.SESSION
> > > print "Page 3, show session<br />"
> > > print "session : <br />"
> > > print s
> > >
> > > print "<br /><br />"
> > > print '<a href ="test1">Page 1</a><br />'
> > > print '<a href ="test2">Page 2</a><br />'
> > >
> > > return printed
> > >
> > >
> > >
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