[Distutils] Proposal for incorporating buildout-versions on buildout (Re: Better version pinning in buildout (buildout-versions))

[Jim Fulton]

On Mon, Jan 28, 2013 at 6:38 AM, Jim Fulton <jim at zope.com> wrote:
> On Fri, Jan 25, 2013 at 3:53 PM, Reinout van Rees <reinout at vanrees.org> wrote:

...

>>>> 3. New buildout option: ``python-version`` that restricts the Python
>>>>     version, with the same semantics as buildout-version provides now.
>>
>>
>> Hm. I copy/pasted the buildout-versions code and worked from there.
>> Buildout-versions simply looks at a 'python' entry in the [versions] part,
>> so that's different from a python-version option.
>>
>> That's not too bad as it saves us another buildout option. But... do we want
>> to change this?
>
> I think so.  Python itself is not a distutils distribution.  This feels like
> mixing apples and oranges.  Also, version entries can now have
>>=, >, <= and < modifiers, but you aren't supporting that for Python versions.
>
> I'd rather make this a separate option.
>
> Also, the implementation shouldn't simply test whether the version is
> in the version string.  It's too easy to get false matches.  The
> implementation should parse the version (maybe as simple as splitting
> on dots) and check it against sys.version_info.

I should have mentioned that an option is to defer the python-version
feature for later.

Jim

-- 
Jim Fulton
http://www.linkedin.com/in/jimfulton
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