[Zope] Zope 2.5 release?

Chris McDonough chrism@zope.com
Thu, 10 Jan 2002 09:13:41 -0500 

This is true, the APIs are different.  But CST will be supported for a year
(by myself), while the session stuff in Zope 2.5+ will of course be
supported by ZC and the community.  So if you need the flexibility you can
pick either one without (much) fear of making the wrong choice. ;-)

----- Original Message -----
From: "Pedro B. Gomes Costa" <pbeck@ciberbit.pt>
To: "Chris McDonough" <chrism@zope.com>; "Tim Hicks"
<timNOT_THIS@sitefusion.co.uk>
Cc: "Milos Prudek" <milos.prudek@tiscali.cz>; <zope@zope.org>
Sent: Thursday, January 10, 2002 6:51 AM
Subject: Re: [Zope] Zope 2.5 release?


> Hi!
>
> But CoreSessionTracking sessions are different from the ones of 2.5. If i
> use them, then i will have to port my code to 2.5 in the future...
>
>
> ----- Original Message -----
> From: "Chris McDonough" <chrism@zope.com>
> To: "Tim Hicks" <timNOT_THIS@sitefusion.co.uk>
> Cc: "Pedro B. Gomes Costa" <pbeck@ciberbit.pt>; "Milos Prudek"
> <milos.prudek@tiscali.cz>; <zope@zope.org>
> Sent: Wednesday, January 09, 2002 11:24 PM
> Subject: Re: [Zope] Zope 2.5 release?
>
>
> > You should really just install CoreSessionTracking on 2.5 instead and
> > transition when you want to.  It's doable; CST will be supported for
> > about a year.
> >
> > Tim Hicks wrote:
> >
> > >>Hi!
> > >>
> > >>But, I agree with you abaou the potencial problems of using 2.5.0 on a
> > >>production server, but I have this problem:
> > >>
> > >>I need to use sessions and the way 2.5.0 handle sessions is different
> from
> > >>the installable products on 2.4.3.
> > >>As I'm designing my apps with 2.5.0, I have to use it in
production....
> > >>Is there a way to use the session functions in 2.5.0 in 2.4.3 ?
> > >>
> > >
> > > I'm having this same dilemma at the moment.  I started off developing
on
> > > 2.5.0.b2, but got burnt by zserver instabilities and various other
> things.
> > > As a result, I shifted all the way back down to 2.3.3 (the last of the
> > > python 1.5.2 line) which is far more stable on my dev server.  Now
> things
> > > are working, I'm reluctant to try something potentially less stable.
> But...
> > > I'm going to be using sessions and I want my code to be portable to
any
> (at
> > > least, most) zope versions, particularly future ones.
> > >
> > > One solution I thought of was to put all my session stuff (a shopping
> > > basket) in one script and test which zope version I'm using at the
top.
> If
> > > the version > 2.43, then use the new syntax, else use the old.  I
don't
> know
> > > if this is a runner as I haven't looked at how the new session stuff
has
> > > changed yet.  In case anyone's interested, I've made this little
script
> to
> > > find out what version of zope I'm in and return it as a float of the
> form
> > > x.xx (as opposed to x.x.x as the actual versions are named).  See
below.
> > >
> > > If anyone wants to chip in and tell me it won't work before I try it,
> feel
> > > free.
> > >
> > > tim
> > >
> > > ## Script (Python) "getVersion"
> > > ##bind container=container
> > > ##bind context=context
> > > ##bind namespace=
> > > ##bind script=script
> > > ##bind subpath=traverse_subpath
> > > ##parameters=
> > > ##title=Returns the Zope version as a float
> > > ##
> > > import string
> > >
> > > vsn = context.Control_Panel.version_txt()[6:11]
> > > vsnsplit = string.split(vsn, '.')
> > > vsndec = string.join(vsnsplit[1:], '')
> > > vsnfloat = '%s.%s' % (vsnsplit[0], vsndec)
> > > vsnfloat = string.atof(vsnfloat)
> > >
> > > return vsnfloat
> > >
> > >
> > >
> > >
> > >
> > >>Thanks
> > >>Pedro Costa
> > >>
> > >>----- Original Message -----
> > >>From: "Milos Prudek" <milos.prudek@tiscali.cz>
> > >>To: <zope@zope.org>
> > >>Sent: Wednesday, January 09, 2002 10:30 AM
> > >>Subject: Re: [Zope] Zope 2.5 release?
> > >>
> > >>
> > >>
> > >>>Dan Jacobs wrote:
> > >>>
> > >>>>Hi All,
> > >>>>
> > >>>>I am currently setting up a new co-location server which will host
> > >>>>
> > >>several
> > >>
> > >>>>zope sites (in the UK).
> > >>>>
> > >>>>Before I install Zope 2.4.3 can anyone tell me how far away we are
> > >>>>
> > > from
> > >
> > >>a
> > >>
> > >>>>stable Zope 2.5?
> > >>>>
> > >>>I would not install x.x.0 of Zope on a production server if I were
you.
> > >>>
> > >>>In my experience it pays well to wait for x.x.2 or x.x.3. The "zero"
> > >>>releases historically contained too much errors for a production
> server.
> > >>>
> > >>>I would, however, heartily recommend to install 2.5.0 as your design
> > >>>environment, because the errors are not that annoying and severe, and
> > >>>perhaps more importantly, you will be able to influence and help with
> > >>>the development of 2.5.1-2.5.3, which will be rock-solid when they
come
> > >>>out.
> > >>>
> > >>>Furthermore, sadly, x.x.0 is unlikely to be fully documented, and it
> > >>>won't be before x.x.3 that new API is reflected in Zope Book.
> > >>>
> > >>>This is my take, based on empirical experience :-)
> > >>>
> > >>>--
> > >>>Milos Prudek
> > >>>
> > >>>
> > >>>
> > >>>_______________________________________________
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> > >>
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