[Distutils] 2.0dev-r123 no longer greater than 1.0?

[Donald Stufft]

> On Mar 21, 2015, at 12:46 PM, Peter Suter <petsuter at gmail.com> wrote:
> 
> On 21.03.2015 17:21, Paul Moore wrote:
>> On 21 March 2015 at 15:19, Peter Suter <petsuter at 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 at 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.

---
Donald Stufft
PGP: 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA

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