[Python-Dev] Accept just PEP-0426
ncoghlan at gmail.com
Wed Nov 21 04:20:41 CET 2012
On Wed, Nov 21, 2012 at 1:10 PM, PJ Eby <pje at telecommunity.com> wrote:
> Conversely, if you have already installed a package that says it
> "Obsoletes" another package, this does *not* tell you that the obsolete
> package shouldn't still be installed! A replacement project doesn't
> necessarily share the same API, and may exist in a different package
> namespace altogether.
Then that's a bug in the metadata of the project misusing "Obsoletes", and
should be reported as such. If the new package is not a drop-in
replacement, then it has no business claiming to obsolete the other package.
I think one of the big reasons this kind of use is rare in the Python
community is that project name changes are almost always accompanied by
*package* name changes, and as soon as you change the package name, you're
changing the public API, and thus it is no longer appropriate to use
Provides or Obsoletes, as the renamed project is no longer a drop-in
replacement for the original.
Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia
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