Zope2.12 does not depend on zope.app.container

[Patrick Gerken]

Zope2.12 does not depend on zope.app.container.

Lots of existing packages do use this package for the IAdding interface. These packages would all needlessly be broken. zope.app.container already redirects to the up to date interfaces and emits depreceated warnings. Since zope2.12 is so new and 2.11 afaik did contain that packages, it would make sense to list zope.app.container as a dependency and remove it one or two releases later. Then most packages should have updated their dependencies.

Third party packages of course could also update their packages to depend on zope.app.container, but the same time they then could also do all necessary upgrades for zope2.12, which will take some time. Therefor I think it makes more sense to add this dependency to Zope2.12

[Tres Seaver (tseaver)]

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Patrick Gerken wrote:
> Public bug reported:
>
> Zope2.12 does not depend on zope.app.container.
>
> Lots of existing packages do use this package for the IAdding interface.
> These packages would all needlessly be broken. zope.app.container
> already redirects to the up to date interfaces and emits depreceated
> warnings. Since zope2.12 is so new and 2.11 afaik did contain that
> packages, it would make sense to list zope.app.container as a
> dependency and remove it one or two releases later. Then most packages
> should have updated their dependencies.
>
> Third party packages of course could also update their packages to
> depend on zope.app.container, but the same time they then could also do
> all necessary upgrades for zope2.12, which will take some time. Therefor
> I think it makes more sense to add this dependency to Zope2.12
>
> ** Affects: zope2
> Importance: Undecided
> Status: New

 status invalid

I'm *strongly* against the idea of "convenience" dependencies: anybody
who needs zope.app.container for some borked third-party package which
doesn't declare it as a dependency can just install it in their
virtualenv, or add it to their buildout.

Tres.
- --
===================================================================
Tres Seaver [phone] <email address hidden>
Palladion Software "Excellence by Design" http://palladion.com
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