On 5 July 2011 10:18, Hanno Schlichting <ha...@hannosch.eu> wrote: > On Tue, Jul 5, 2011 at 11:03 AM, Martin Aspeli <optilude+li...@gmail.com> > wrote: > > I would've thought it would also be possible for those who rely on this > to > > maintain the relevant eggs as optional installations against Zope 2.x, > no? > > The ZMI is not a package - we don't have a split into zope and > zope.app in Zope2. Once there's no more ZMI, Products.PageTemplates > stops using RestrictedPython and the OFS base classes don't inherit > from Acquisition.Implicit anymore, it'll be really hard to keep the > legacy development approach working. >
I think it might be useful to spell out the reasons behind this (here, or better yet, somewhere more permanent like zope.org). I can imagine people reading this and wondering why it's a good idea, especially those who have an investment in the existing technologies. > Someone might try, but I think it's not a wise decision to spent any > resources that way. At some point every application written in the > legacy style has to be rewritten. I think it would be a better use of > resources for anyone to start doing that than maintaining a dead-end. This is a pretty sweeping statement that I think could cause a lot of nervousness. It might be the right thing in many ways, but we need to at least provide a bit more context. If you're a business that's invested dozens of person-years into a product, the prospect of rewriting could seem fairly daunting. At least we, as the Zope 2 community, need to set out the case for change and some kind of idea of timing and transition path, even if that means in some cases getting to a "long term maintenance" release and in other cases evolving away from certain technologies whilst being confident to keep using others. Martin
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