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List:       python-distutils-sig
Subject:    Re: [Distutils] 2.0dev-r123 no longer greater than 1.0?
From:       Peter Suter <petsuter () gmail ! com>
Date:       2015-03-23 19:41:34
Message-ID: 55106C6E.5060106 () gmail ! com
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On 21.03.2015 19:26, Donald Stufft wrote:
> > On Mar 21, 2015, at 12:46 PM, Peter Suter <petsuter@gmail.com> wrote:
> > 
> > On 21.03.2015 17:21, Paul Moore wrote:
> > > On 21 March 2015 at 15:19, Peter Suter <petsuter@gmail.com> wrote:
> > > > Hi
> > > > 
> > > > from pkg_resources import parse_version
> > > > parse_version('2.0dev-r123') > parse_version('1.0dev')
> > > > 
> > > > In setuptools 7 and below this was True. In setuptools 8 and above this is
> > > > False.
> > > > 
> > > > A bug? Are these tags not supported anymore?
> > > > 
> > > > The documentation still mentions them extensively, e.g. in:
> > > > https://pythonhosted.org/setuptools/setuptools.html#managing-continuous-releases-using-subversion
> > > >  
> > > > setup.cfg options are recommended that generate similar versions:
> > > > 
> > > > [egg_info]
> > > > tag_build = .dev
> > > > tag_svn_revision = 1
> > > > 
> > > > Am I missing something?
> > > Version numbers are now standardised under PEP 440
> > > (https://www.python.org/dev/peps/pep-0440/). Under that PEP,
> > > post-releases come before pre-releases. "r" represents a post-release
> > > and "dev" a pre-release. So your version isn't a valid PEP 440
> > > version, and gets parsed as a legacy version. Legacy versions then get
> > > sorted before any PEP 440 version, such as 1.0dev.
> > > 
> > > It looks like the setuptools documentation hasn't been updated
> > > (setuptools now uses PEP 440 versions since 8.0, see
> > > https://pythonhosted.org/setuptools/history.html#id48).
> > OK, thanks.
> > So what is the equivalent PEP 440 SVN tagged development version? 2.0.dev123? How \
> > can I get setuptools to create that instead? It looks like with the above \
> > egg_info setuptools automatically adds the "-r". 
> > _______________________________________________
> > Distutils-SIG maillist  -  Distutils-SIG@python.org
> > https://mail.python.org/mailman/listinfo/distutils-sig
> 2.0.dev123 is the correct version number to use, setuptools might need additional \
> updates to it to properly generate those though.
Thanks for the info. Is there a ticket I can follow, or should I create one?
Also, is using tag_svn_revision generally not recommended? It's rather 
useful when it works, but it's been a source of problems more than once.
_______________________________________________
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