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Bug 706104 - >=dev-python/python-dateutil-2.8.0 states version 0.0.0, breaks version-pinned dependencies
Summary: >=dev-python/python-dateutil-2.8.0 states version 0.0.0, breaks version-pinne...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Python Gentoo Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: 700382
  Show dependency tree
 
Reported: 2020-01-22 16:25 UTC by Katze
Modified: 2020-01-22 19:44 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments
emerge --info (emerge--info.txt,16.93 KB, text/plain)
2020-01-22 16:25 UTC, Katze
Details

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Description Katze 2020-01-22 16:25:59 UTC
Created attachment 603958 [details]
emerge --info

The directory /usr/lib64/python3.6/site-packages/python_dateutil-* has the version 0.0.0 from python-dateutil version 2.8.0 onwards:

# for f in /var/portage/packages/dev-python/python-dateutil/python-dateutil-2.7.5-3.xpak /var/portage/packages/dev-python/python-dateutil/python-dateutil-2.8.1-5.xpak;do tar tf $f;done 2>/dev/null | grep 'egg-info/$'
./usr/lib64/python3.6/site-packages/python_dateutil-2.7.5-py3.6.egg-info/
./usr/lib64/python3.6/site-packages/python_dateutil-0.0.0-py3.6.egg-info/
./usr/lib/python3.8/site-packages/python_dateutil-0.0.0-py3.8.egg-info/

I found some related issue at an unrelated project (AFAIK) over there: https://github.com/ContinuumIO/anaconda-issues/issues/809#issuecomment-336672068

There seems to be some code (https://github.com/gentoo-mirror/gentoo/blob/f9504968a4ea04313f1433c47d3695b2fad3bcc2/dev-python/python-dateutil/python-dateutil-2.8.1.ebuild#L46) trying to insert the correct version, however the setup.py does have that snipped (did have that in 2.7.5 too):

use_scm_version={
    'write_to': 'dateutil/_version.py',
},

And therefore does not match the sed regex using =True at the end, might be related, but I don't know enough about python packaging to know for sure.

This breaks Radicale on my box since that one has a dependency on python-dateutil>=2.7.3 and fails with the 2.8.[01]/0.0.0 version like that:

Traceback (most recent call last):
  File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 583, in _build_master
    ws.require(__requires__)
  File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 900, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 791, in resolve
    raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.ContextualVersionConflict: (python-dateutil 0.0.0 (/usr/lib64/python3.6/site-packages), Requirement.parse('python-dateutil>=2.7.3'), {'Radicale'})
Comment 1 Larry the Git Cow gentoo-dev 2020-01-22 19:44:23 UTC
The bug has been closed via the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=20f03c434d1c02d799e50538b92bab80fac8b39a

commit 20f03c434d1c02d799e50538b92bab80fac8b39a
Author:     Michał Górny <mgorny@gentoo.org>
AuthorDate: 2020-01-22 19:39:12 +0000
Commit:     Michał Górny <mgorny@gentoo.org>
CommitDate: 2020-01-22 19:44:16 +0000

    dev-python/python-dateutil: Remove broken setuptools_scm hack
    
    Closes: https://bugs.gentoo.org/706104
    Signed-off-by: Michał Górny <mgorny@gentoo.org>

 ...hon-dateutil-2.8.1.ebuild => python-dateutil-2.8.1-r1.ebuild} | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)