Groups > linux.debian.maint.python > #13357

Challenges packaging Python for a Linux distro - at Python Language Summit

Path	csiph.com!aioe.org!bofh.it!news.nic.it!robomod
From	Stefano Rivera <stefanor@debian.org>
Newsgroups	linux.debian.maint.python
Subject	Challenges packaging Python for a Linux distro - at Python Language Summit
Date	Wed, 12 May 2021 23:30:01 +0200
Message-ID	<Ce4Ax-2g5-1@gated-at.bofh.it> (permalink)
X-Mailbox-Line	From debian-python-request@lists.debian.org Wed May 12 21:21:35 2021
Old-Return-Path	<stefano@rivera.za.net>
X-Amavis-Spam-Status	No, score=-6.751 tagged_above=-10000 required=5.3 tests=[BAYES_00=-2, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FOURLA=0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, LDO_WHITELIST=-5] autolearn=ham autolearn_force=no
X-Policyd-Weight	using cached result; rate: -4.6
Mail-Followup-To	debian-python <debian-python@lists.debian.org>
MIME-Version	1.0
Content-Type	text/plain; charset=utf-8
Content-Disposition	inline
X-Gpg-Public-Key	http://www.rivera.za.net/stefano.gpg
User-Agent	NeoMutt/20180716
X-Mailing-List	<debian-python@lists.debian.org> archive/latest/19144
List-ID	<debian-python.lists.debian.org>
List-URL	<https://lists.debian.org/debian-python/>
List-Archive	https://lists.debian.org/msgid-search/20210512212118.r37fau7lw5lbh72e@satie.tumbleweed.org.za
Approved	robomod@news.nic.it
Lines	52
Organization	linux.* mail to news gateway
Sender	robomod@news.nic.it
X-Original-Date	Wed, 12 May 2021 21:21:18 +0000
X-Original-Message-ID	<20210512212118.r37fau7lw5lbh72e@satie.tumbleweed.org.za>
Xref	csiph.com linux.debian.maint.python:13357

Show key headers only | View raw

Matthias Klose gave a presentation at the Python Language Summit on the
Challenges packaging Python for a Linux distro.

There's a follow-on open space for working through some of these
questions, on Saturday:
https://us.pycon.org/2021/events/open-spaces/#openspace-42
2021-05-15 18:15 UTC in Lounge 2

Matthias covered:
* No python on Debian systems by default.
* Python2 removal coming soon, just hanging around for PyPy at this point.
* One 3.x version at a time. Doesn't line up with cpython's support terms.
* Python is split into multiple binary packages, for dependency (and
  historically licensing) reasons.
* DFSG
* autopkgtests, and automatic testing of reverse-dependencies
* The existence of the "deadsnakes" PPA for Ubuntu, for people who want
  non-standard Python versions.
* Applications generally are installed outside the default sys.path.
* Modules are shipped installed with --single-version-externally-managed.
* The site-packages => dist-packages rename.
* PEP 3149 sharing a single /usr/share/python3/ across versions and
  implementations.
* Pip isn't used in our packages (except in rare cases).
* A historic look through license issues in the cpython sources, in the
  past.
* The ensurepip module depends on wheels that are shipped without source.
* pip and distro package managers get in conflict, esp. with
  sudo pip install.
* Arch inclusively. Debian includes some weird architectures, some of
  which aren't widely used.
* Communication issues between the Core Python developers + PyPA and
  Debian/Ubuntu recently.

There was a strong Q&A section. I didn't take notes for this. Off the
top of my head:
* What do we provide for scientific / data scientist use cases?
* Are there technical issues with using python3.x where x != default?
* Are we aware of the problems on Debian?
* Who decides what is/isn't packaged?
* Have we considered a separate "system-python" that lives off PATH, and
  is used by Debian packaged applications. Then developers can get their
  own pristine python?
* Who is still suggesting sudo pip install? pip upstream would be happy
  to help hunt down any references like that.

SR

-- 
Stefano Rivera
  http://tumbleweed.org.za/
  +1 415 683 3272

Back to linux.debian.maint.python | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Challenges packaging Python for a Linux distro - at Python Language  Summit Stefano Rivera <stefanor@debian.org> - 2021-05-12 23:30 +0200
  Re: Challenges packaging Python for a Linux distro - at Python  Language Summit Thomas Goirand <zigo@debian.org> - 2021-05-13 01:10 +0200
    Re: Challenges packaging Python for a Linux distro - at Python  Language Summit Stefano Rivera <stefanor@debian.org> - 2021-05-13 01:30 +0200
      Re: Challenges packaging Python for a Linux distro - at Python  Language Summit Thomas Goirand <zigo@debian.org> - 2021-05-13 22:50 +0200
    Re: Challenges packaging Python for a Linux distro - at Python  Language Summit Stefano Rivera <stefanor@debian.org> - 2021-05-24 16:40 +0200
  Re: Challenges packaging Python for a Linux distro - at Python  Language Summit Yaroslav Halchenko <debian@onerussian.com> - 2021-05-13 15:50 +0200

csiph-web