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Bug 1553852 - texlive-base: texlive-pythontex requires both Python 2 and Python 3
Summary: texlive-base: texlive-pythontex requires both Python 2 and Python 3
Keywords:
Status: CLOSED EOL
Alias: None
Product: Fedora
Classification: Fedora
Component: texlive-base
Version: 29
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Tom "spot" Callaway
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: PYTHON3 PYTHON3-PYTHON2
TreeView+ depends on / blocked
 
Reported: 2018-03-09 17:27 UTC by Iryna Shcherbina
Modified: 2019-11-28 09:22 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-11-27 19:22:15 UTC
Type: Bug
Embargoed:

Attachments (Terms of Use)

Description Iryna Shcherbina 2018-03-09 17:27:03 UTC 
The texlive-pythontex RPM requires both Python 2 and Python 3:

$ dnf repoquery --repo=rawhide --requires texlive-pythontex | grep python
/usr/bin/python2
/usr/bin/python3

Except in very special circumstances, there is no need for one package
to drag in both Python stacks. Usually, this is a packaging error: for
example, a stray "/usr/bin/python" shebang in a Python 3 package can
introduce a Python 2 dependency.

Please split your package, or remove the stray dependencies.
There is a section on shebangs in the Python RPM Porting Guide [0]
which covers this issue.

It's ok to do this in Rawhide only, however, it would be greatly
appreciated if you could push it to Fedora 28 as well.


If anything is unclear, or if you need any kind of assistance, you can
ask on IRC (#fedora-python on Freenode), or reply here. We'll be happy
to help investigating or fixing this issue!


[0] http://python-rpm-porting.readthedocs.io/en/latest/application-modules.html#are-shebangs-dragging-you-down-to-python-2
Comment 1 Tom "spot" Callaway 2018-03-11 19:24:40 UTC 
I think this might be one of the "very special circumstances".

pythontex is already split out into python2 and python3 versions, with the main script doing python version detection and launching the appropriate version:

/usr/share/texlive/texmf-dist/scripts/pythontex/depythontex.py
/usr/share/texlive/texmf-dist/scripts/pythontex/depythontex2.py
/usr/share/texlive/texmf-dist/scripts/pythontex/depythontex3.py

depythontex.py:

import sys
if sys.version_info[0] == 2:
    import depythontex2 as depythontex
elif sys.version_info[0] == 3:
    import depythontex3 as depythontex

Now, I _could_ split out the python3 files into their own subpackage, but upstream assumes they will both be present, so the net result will be the same.

Let me know how you want me to handle this.
Comment 2 Iryna Shcherbina 2018-03-12 10:54:54 UTC 
Thanks for the explanation.
If that is how upstream intends it, then please keep the package as it is, we will whitelist it in our sanity checks.
Comment 3 Jan Kurik 2018-08-14 11:07:42 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora 29 development cycle.
Changing version to '29'.
Comment 4 Ben Cotton 2019-10-31 20:44:56 UTC 
This message is a reminder that Fedora 29 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora 29 on 2019-11-26.
It is Fedora's policy to close all bug reports from releases that are no longer
maintained. At that time this bug will be closed as EOL if it remains open with a
Fedora 'version' of '29'.

Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, simply change the 'version' 
to a later Fedora version.

Thank you for reporting this issue and we are sorry that we were not 
able to fix it before Fedora 29 is end of life. If you would still like 
to see this bug fixed and are able to reproduce it against a later version 
of Fedora, you are encouraged  change the 'version' to a later Fedora 
version prior this bug is closed as described in the policy above.

Although we aim to fix as many bugs as possible during every release's 
lifetime, sometimes those efforts are overtaken by events. Often a 
more recent Fedora release includes newer upstream software that fixes 
bugs or makes them obsolete.
Comment 5 Ben Cotton 2019-11-27 19:22:15 UTC 
Fedora 29 changed to end-of-life (EOL) status on 2019-11-26. Fedora 29 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
Fedora please feel free to reopen this bug against that version. If you
are unable to reopen this bug, please file a new report against the
current release. If you experience problems, please add a comment to this
bug.

Thank you for reporting this bug and we are sorry it could not be fixed.
Comment 6 Petr Viktorin 2019-11-28 09:22:40 UTC 
Still an issue -- in the long run, Python 2 support will need dropping. However, it's tracked in Bug #1738161.
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