Date: Tue, 19 Mar 2019 12:57:38 +0100
From: Natanael Copa <ncopa@alpinelinux.org>
To: u-3qpt@aetey.se
Cc: Drew DeVault <sir@cmpwn.com>, alpine-devel@lists.alpinelinux.org
Subject: Re: [alpine-devel] Normalizing Python packages in aports
Message-ID: <20190319125738.73f31222@ncopa-desktop.copa.dup.pw>
In-Reply-To: <20190319113230.GM23721@example.net>
References: <20190306212501.GD2800@cirno.localdomain>
	<20190314112413.29dd9816@ncopa-desktop.copa.dup.pw>
	<20190314191241.GF1544@homura.localdomain>
	<20190319103153.3964ded5@ncopa-desktop.copa.dup.pw>
	<20190319113230.GM23721@example.net>
Precedence: list
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

On Tue, 19 Mar 2019 12:32:30 +0100
u-3qpt@aetey.se wrote:

> On Tue, Mar 19, 2019 at 10:31:53AM +0100, Natanael Copa wrote:
> > Earler, before python3 was supported, all the py-* packages was
> > python2. We should probably also look over all py-* packages and make
> > sure that all python2 packages are renamed to py2-*.  
> 
> 2c from a lurker.
> 
> A large part of this thread looks dedicated to surviving a mess created
> by the reuse of the same name "python" (also "py-" as a prefix or similar)
> for different and incompatible softwares.
> 
> The problems would hardly exist if python2 and python3 worlds
> were separated from the beginning.
> 
> That's why I would like to emphasize the need to always use strictly
> specified references for the purposes of packaging.
> 
> In other words:
> 
> Do not use "default" names which change their meaning with time and
> then their usage must be traced and adjusted everywhere (!)
> 
> From this point of view, it is important to (also) name all python3
> packages as py3-*.

always name all python3 packages py3-* would also make it possible to
install py4-* and py3-* in parallel if for some reason that would be
needed in future.

python3.6 and python3.7 will not be possible to install in parallel.

> This is not the same as handling the preferences of the _users_. They
> can get a convenience link of "python" to something they like - but then
> per-user, not in the common part of $PATH. This is not hard.
> 
> (It _is_ hard to prevent the misuse of "default" "python" if it is present
> at hand, with its unpredictable semantics. No "python" should be there
> in a common location like /usr/{,local/}bin unless a local administrator
> adds a link there to some pythonN or whatnot and takes himself all the
> consequences. "python2" and/or "python3" should be there today, possibly
> "python3" and "python4" tomorrow, but not some "python"-of-the-day.)
> 
> Please do not perpetuate the others' badly chosen practices - they can
> not be made consistent other than only temporary and only with a large
> effort each time, if at all.

what about `python-dev`? should you get latest python or failure?

-nc


---
Unsubscribe:  alpine-devel+unsubscribe@lists.alpinelinux.org
Help:         alpine-devel+help@lists.alpinelinux.org
---