[Zope3-Users] Compatibility

[Milind Khadilkar]

In light of these insights, I feel the Zope home page should be re-drafted
so as to present alternatives clearly to newcomers. Currently, Zope 3 is not
presented prominently, causing newcomers to start with Zope 2 by default.

Regards
Milind Khadilkar


On 11/23/05, Martijn Faassen <faassen at infrae.com> wrote:
>
> Milind Khadilkar wrote:
> > Is it correct to say that one of the major objectives of Zope 3  as
> opposed
> > to zope-x ( viz. compatibility with Zope 2, or at least an easy way for
> > importing products from zope 2) has not been achieved?
>
> Unfortunately the whole 'X' story was always interpreted differently by
> different people. It's unfortunate, and our (the Zope 3 project's)
> mistake, that your interpretation ("Zope 2 products work in Zope 3")
> ever was made possible in the first place...
>
> > The 'x' was removed
> > on grounds of being ready for production use, not on grounds of
> > compatibility. The release announcement for 3.1 also mentions continuing
> > efforts to ease transition from zope 2 to zope 3. Is it meant to be the
> same
> > as "ability to import products"?
>
> As Stephan said in his reply, I find it unlikely that you'll ever be
> able to run Zope 2 products in Zope 3. We're taking the other direction
> -- Zope 2 products run in Zope 2 obviously, but we're making sure that
> with Five, more and more Zope 3 code also works in Zope 2. This allows
> you to start porting code over to Zope 3 while it remains to work in Zope
> 2.
>
> Five is hardly the perfect transition tool; most of Zope 3 code doesn't
> work in Zope 2 either without significant modifications. Step by step
> however this gap is being bridged.
>
> Regards,
>
> Martijn
>
>
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