On Fri, Oct 08, 2010 at 09:55:04AM +0200, Matthias Klose wrote: > On 07.10.2010 22:19, Barry Warsaw wrote: > > I think the reason to have overlap in Python versions between LTS releases > > is > > for the benefit of end users who have applications that are not in our > > archive. What I mean is that, yes, we can theoretically fix all the > > compatibility problems for packages in main and universe, but we can do > > nothing about third party applications and libraries that are not in our > > archives. These may be applications that our users have built or bought, > > have > > installed and running on the current production Lucid machines. > > > > We could support Python 2.6 in a PPA, but I actually think that will be much > > more work for us. It has the potential for containing every package in main > > and universe. Imagine Important Corporation X has a mission critical Python > > application that is not yet ported to Python 2.7. Their choices are > > > > * Don't upgrade to the next LTS > > * Request Python 2.6 compatible builds for dependencies in the official PPA > > * Expend the resources to port their application to 2.7 > > * Forget packaging and build everything themselves > > > > As an end user, none of those would be very appealing. > > > > As a policy, I do think it makes sense for us to have one Python version > > overlap between LTS releases. > > Are there concrete examples of these applications for end users (no, I > wouldn't > count Launchpad to to it ;).
I'm an end-user/sysadmin (as well as a Python application developer). Various older versions of Zope do not support Python 2.6. When I upgraded hardy to lucid, I was surprised to find Python 2.5 was gone from the archives. Felix Krull's "deadsnakes" PPA saved me from unpleasant downtime. > 20MB are 2% of the CD space, and I suppose an end user would care more about > shipping something useful like a language pack, another application, but not > a > bunch of unused python modules. I've no interest in having old Python versions on the CD. I would like to have them easily installable (from main/universe; PPA is a bit of a hassle but better than nothing). Marius Gedminas -- A real friend isn't someone you use once and then throw away. A real friend is someone you can use over and over again.
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