Hello, Once upon a time, zope2.X could be easily installed on Debian (until 2.10), and thanks to dzhandle, it was pretty easy and straightforward to use. Unfortunately it is not anymore since the upstream decided to move to a modularized approach (with ZTK) ratherthan having a monolithic tarball, which is a good thing, in most cases at least. Unfortunately, it has became a nightmare from a packager point of view, because each released version of Zope depends upon specific versions of these modules, which sometimes (often?) include backward-incompatible changes, thus leading to conflicting dependencies between each released version. Moreover, as of Zope 2.12, there are about 89 eggs pulled down as dependencies when using the regular build process and the number is growing because more and more duplicated code with ZTK is being moved out of Zope2. In addition, several Zope applications, like Plone, require a specific Zope version. Therefore, we also would like to be able to offer, at the same time, several major versions of Zope (2.12 and 2.13 for example), like we once did for Zope 2.9 and 2.10, and like we do for versions of Python. We thought about two solutions to address these issues: 1/ Versionning each component of the ztk so we can install at the same time zope-foo 1.2.1 and zope-foo 1.3.0. 2/ Packaging inside a zope2.12 package all the requirements of zope2.12 which are not the current mainstream ztk. Even if we don't really like it, the second solution seems the only viable solution because of the number of modules and the breakage in backward-compatibility. Not doing so would require versionned packages for the 89 eggs required by Zope 2.12, and the same for those required by Zope 2.13. The purpose of this email is actually to let the debian-release and debian-security teams know before finalizing the package, thus we can make sure that the package gets accepted and gets advices as well. We realize that's a big burden for those teams because of the duplicated modules, but we are willing to take care of that as much as possible. On behalf of the Zope2 packagers, Arnaud Fontaine and Gaël Le Mignot
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