[Zope] Python script: problem with session

[Chris McDonough]

When you say "not working" what does that mean?  What do you go on
to do that doesn't work?
----- Original Message -----
From: "p.t." <p.training@tin.it>
To: "Chris McDonough" <chrism@ZOPE.COM>
Cc: <zope@zope.org>
Sent: Wednesday, June 12, 2002 10:19 AM
Subject: Re: [Zope] Python script: problem with session


> Fine, Chris.
> I'll try your suggestion exactley in the way you wraite it down.
> I've already tryied this:
>
> context.REQUEST['foo'] = context.REQUEST.SESSION['foo'].copy()
>
> but (suprisingly) not working (and no error issue).
> Things work fine "renaming" objects, like:
>
> Initialise:
> context.REQUEST.SESSION['FOO'] = foo
>
> Assign:
> context.REQUEST['foo'] = context.REQUEST.SESSION['FOO']
>
> but this is quite impratical, because I'm often using indirect
naming via
> the Zope function getitem().
> Thanks,
>          p.t.
>
> At 10:01 12/06/2002 -0400, Chris McDonough wrote:
> >I see... when you hold a reference to a dictionary in two places
you
> >are holding a reference to the same object, therefore changes
made
> >via one reference are reflected when you take a look at the
object
> >via the other reference.
> >
> >One way to avoid this in your case in a Python Script:
> >
> >d = context.REQUEST.SESSION['foo']
> >REQUEST['foo'] = d.copy()
> >
> >In other words, don't assign the value of SESSION['foo'] to
> >REQUEST['foo'], rather assign a copy.
> >
> >----- Original Message -----
> >From: "p.t." <p.training@tin.it>
> >To: "Chris McDonough" <chrism@zope.com>
> >Cc: <zope@zope.org>
> >Sent: Wednesday, June 12, 2002 9:41 AM
> >Subject: Re: [Zope] Python script: problem with session
> >
> >
> > > Chris,
> > > it is a mapped object (a dictionary).
> > > A closer view is:
> > >
> > > First (in a calling procedure) I put in
> > > SESSION[processID]['status']['dataTable'] the name of a table.
> > > Then (in the called procedure) I retrieve this name to the
current
> >status:
> > > REQUEST['status'] = SESSION[processID]['status']
> > >
> > > REQUEST['status'] can change some values before calling back
the
> >caller.
> > > TIA,
> > >          p.t.
> > >
> > > At 09:10 12/06/2002 -0400, Chris McDonough wrote:
> > > >What kind of object does REQUEST['foo'] return?
> > > >
> > > >On Wed, 2002-06-12 at 08:43, p.t. wrote:
> > > > > I did already post this with a different thread: probably
the
> >formulation
> > > > > was to complex. Or may be there is some very basic
knowledge
> >I'm missing.
> > > > > I'll try again.
> > > > >
> > > > > If I assign to variable in a Python script (say
> >context.REQUEST['foo']) a
> > > > > value stored in SESSION (say context.SESSION['foo']), and
then
> >I change
> > > > the
> > > > > retrieved value (the one in REQUEST, not the original
one),
> >also the
> > > > > variable in SESSION is changed. In this way I have lost my
> >original
> > > > > information stored in SESSION!
> > > > >
> > > > > I've tryied to avoid this, but I can't manage to find how.
> > > > > Any suggestion?
> > > > >
> > > > > TIA,
> > > > >       p.t.
> > > > >
> > > > >
> > > > >
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