On Wed, 22 Apr 2009 11:12:22 +0200, Tarek Ziadé <ziade.ta...@gmail.com> wrote:
Hi,
We worked during Pycon on version comparisons. Distutils has one but
it is a bit strict, setuptools has another one, but it's a bit
heuristic.
We would like to propose the inclusion for Python 2.7 of a new version
comparison algorithm, based on the discussion
Fedora, Ubuntu and Python people had. The plan would be to deprecate
the current one (which is not really used anyway)
and provide, promote this one.
Trent Mick took the lead on this work at the end of Pycon, and worked
on a prototype.
It's explained here, and there's an implementation (I've put it at
the top of the page for conveniency):
http://wiki.python.org/moin/Distutils/VersionComparison
Clearly being able to parse the string representation is important, since
this information will largely reside in non-Python text files. I suppose
that many people will also be very comfortable with and happy about writing
RationalVersion(somestring) and ">=somestring". However, it would also be
great if there were a way to construct a version object out of structured
data instead. Can a constructor which takes each part of the version data
as a separate object be added?
Jean-Paul
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