[Zope] dtml sessions?
Chris McDonough
chrism@zope.com
02 Sep 2002 00:31:37 -0400
Dont pay any attention to the representation of the SESSION object in
REQUEST. There's some trickery going on that you don't need to
understand. ;-) Instead, just test the functionality ala the docs.
You don't have anything switched off nor are you missing a part of Zope.
HTH,
- C
On Mon, 2002-09-02 at 00:25, Greg Conway wrote:
> Thanks Chris, Chris and Quentin!
>
> But contrary to my earlier findings, it turns out the session var is not
> staying in memory....
>
> Does this mean I haven't got the necessary part of Zope installed?
>
> The session item first comes up as follows:
>
> SESSION id: 10309401531156298065, token: 42527132A0c0Y8rr7Ag, contents:
> [('TrolleyQty', '1'), ('TrolleyStockNo', '4')]
>
> but when I move to another form and view the request there, the session now
> reads:
>
> SESSION <Python Method object at 0x86292d0>
>
> actually, the session appears under "lazy items" the second time around, do
> I have to refresh it or something every time? in which case I could just
> re-store the REQUEST var every time, but this seems a lot of hassle to do
> this on every form!! or is it still there and I'm just not reading it
> properly?
>
> I cannot get the list function to work! but maybe sorting this out will sort
> that out as well....
>
> so have I just got something switched off I can switch on?
>
> thanks all!
>
> Regards,
>
> Greg.
>
> >> -----Original Message-----
> >> From: zope-admin@zope.org [mailto:zope-admin@zope.org]On Behalf Of Chris
> >> McDonough
> >> Sent: 02 September 2002 04:48
> >> To: Chris Beaven
> >> Cc: Greg Conway; zope@zope.org
> >> Subject: RE: [Zope] dtml sessions?
> >>
> >>
> >> See also
> >> http://www.zope.org/Documentation/Books/ZopeBook/2_6Edition/Sessions.stx
> >> for exhaustive sessioning docs. These are written for 2.6 but mostly
> >> work under 2.5.
> >>
> >> On Sun, 2002-09-01 at 23:41, Chris Beaven wrote:
> >> > Would have actually been better to do this with the python script:
> >> >
> >> >
> >> > request = container.REQUEST
> >> > session = request.SESSION
> >> >
> >> > stockno = session['StockNo']
> >> > stockno.append(request['TrolleyStockNo'])
> >> > session.set('StockNo:list', stockno)
> >> >
> >> > qty = session['Qty']
> >> > qty.append(request['TrolleyQty'])
> >> > session.set('Qty:list', qty)
> >> >
> >> >
> >> > -----Original Message-----
> >> > From: Chris Beaven [mailto:Chris@d-designz.co.nz]
> >> > Sent: Monday, 2 September 2002 3:37 p.m.
> >> > To: Greg Conway; zope@zope.org
> >> > Subject: RE: [Zope] dtml sessions?
> >> >
> >> >
> >> > You'll have to get the list, add the item, and then put it back:
> >> >
> >> >
> >> > <dtml-call
> >> "REQUEST.SESSION.set('StockNo:list',REQUEST.SESSION['StockNo'] +
> >> > [TrolleyStockNo])">
> >> > <dtml-call "REQUEST.SESSION.set('Qty:list',REQUEST.SESSION['Qty'] +
> >> > [TrolleyQty])">
> >> >
> >> >
> >> > Ugh it's about time to make that in a Python script:
> >> >
> >> >
> >> > request = container.REQUEST
> >> > session = request.SESSION
> >> >
> >> > stockno = session['StockNo'] + [request['TrolleyStockNo']]
> >> > session.set('StockNo:list', stockno)
> >> >
> >> > qty = session['Qty'] + ['TrolleyQty']
> >> > session.set('Qty:list', qty)
> >> >
> >> >
> >> > Aah, much more readable :)
> >> >
> >> > -----Original Message-----
> >> > From: Greg Conway [mailto:greg@gmlnt.com]
> >> > Sent: Monday, 2 September 2002 3:27 p.m.
> >> > To: Quentin Smith
> >> > Cc: Zope@Zope. Org
> >> > Subject: RE: [Zope] dtml sessions?
> >> >
> >> >
> >> > Hi Quentin,
> >> >
> >> > That does indeed help, many thanks!
> >> >
> >> > Except... how do I get the variables to add themselves to each
> >> in a list
> >> > fashion?
> >> >
> >> > I expected this to work....
> >> >
> >> > <dtml-call "REQUEST.SESSION.set('StockNo:list',TrolleyStockNo)">
> >> > <dtml-call "REQUEST.SESSION.set('Qty:list',TrolleyQty)">
> >> >
> >> > ...but instead got some variables called StockNo:list and
> >> Qty:list who's
> >> > values were replaced by every interation, not added to!
> >> >
> >> > Regards,
> >> >
> >> > Greg.
> >> >
> >> > >> -----Original Message-----
> >> > >> From: zope-admin@zope.org [mailto:zope-admin@zope.org]On Behalf Of
> >> > >> Quentin Smith
> >> > >> Sent: 02 September 2002 04:04
> >> > >> To: Greg Conway
> >> > >> Cc: Zope@Zope. Org
> >> > >> Subject: Re: [Zope] dtml sessions?
> >> > >>
> >> > >>
> >> > >> Hi-
> >> > >> Most new Zope installs come with a session manager in the
> >> root folder,
> >> > >> and a temporary folder with a session data container. All
> >> you have to do
> >> > >> is use REQUEST.SESSION.set() instead of REQUEST.set().
> >> > >> HTH,
> >> > >> --Quentin
> >> > >> On Sunday, September 1, 2002, at 10:59 PM, Greg Conway wrote:
> >> > >>
> >> > >> > Hi all,
> >> > >> >
> >> > >> > Just wondering, does Zope (I'm using 2.5.0) have built-in session
> >> > >> > support?
> >> > >> >
> >> > >> > I have just discovered that my REQUEST variables don't
> >> stay in memory!
> >> > >> > so I
> >> > >> > just need something that will store a variable in memory
> >> regardless of
> >> > >> > traversing through forms!
> >> > >> >
> >> > >> > I guess that this means sessions sessions or cookies, not
> >> really sure
> >> > >> > about
> >> > >> > either of them, and preliminary findings indicate I may need
> >> > >> to add more
> >> > >> > stuff into Zope to get sessions working!
> >> > >> >
> >> > >> > So if there is any easy way of doing this, can somebody please
> >> > >> > enlighten me
> >> > >> > before I go off at a lengthy tangent again to re-invent the wheel?
> >> > >> >
> >> > >> > :)
> >> > >> >
> >> > >> > many thanks!
> >> > >> >
> >> > >> > Regards,
> >> > >> >
> >> > >> > Greg Conway.
> >> > >> >
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