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Re: Managing environments (Python venv, guix environment, etc.)
From: |
Eli Zaretskii |
Subject: |
Re: Managing environments (Python venv, guix environment, etc.) |
Date: |
Sun, 24 Jul 2016 17:24:20 +0300 |
> Cc: address@hidden
> From: Dmitry Gutov <address@hidden>
> Date: Sun, 24 Jul 2016 06:26:41 +0300
>
> On 07/23/2016 10:10 AM, Eli Zaretskii wrote:
> > Actually, I don't like to see any feature, let alone a core one, use
> > file-name-handler-alist for local files. Lots of code in Emacs,
> > including primitives, really handle such files as remote, so the
> > results are likely to be incorrect and subtly broken.
>
> We do have file-remote-p, don't we? Maybe the code in question should be
> fixed.
No, I meant that we assume these are remote files without testing,
e.g. that primitives which support local files, like expand-file-name,
don't DTRT for them. The code is written with that assumption in
mind.
> > I always thought that features like this one should use and extent
> > the infrastructure in project.el. And yet Dmitry is silent in this
> > discussion. What am I missing?
>
> I don't know exactly if project.el is the best place for it. Maybe we
> should see how well environment.el works as a separate feature, and if
> that makes sense, incorporate it after.
It would sound strange to me that project.el fails to support
essentially the first serious client of its intended audience.
> My main concern with this proposal is avoiding to have to purposefully
> modify "every Elisp package that runs processes".
Right. Which is why I thought we should come up with some reasonable
way of supporting that without infecting "every package".
> If every process call will pass through the environment dispatcher,
> that's bound to add some overhead. How will that affect the code
> that makes multiple process calls at once, such as VC? I'd like to
> see some numbers.
>
> And if we base this feature on project.el right away, it will add a
> stricter requirement on the performance of `project-current', which is
> currently called at most once per user command. We could add some cache
> there, of course.
>
> Alternatively, we can keep environment.el separate, and any advanced
> minor mode, such as EDE, would both hook into project.el and set up any
> necessary environment.el variables.
I actually am not sure what exactly is required by environment.el.
This discussion started by talking about environment variables, but
somehow we are now talking about such core functionality as load-path
and exec-path. The latter is a far cry from the former, IMO. I'm not
sure how we made that leap in the discussion.
- Re: Managing environments (Python venv, guix environment, etc.), (continued)
- Re: Managing environments (Python venv, guix environment, etc.), Michael Albinus, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), Dmitry Gutov, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), Michael Albinus, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), Dmitry Gutov, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), Stefan Monnier, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), sbaugh, 2016/07/27
- Re: Managing environments (Python venv, guix environment, etc.), Michael Albinus, 2016/07/28
- Re: Managing environments (Python venv, guix environment, etc.), Stefan Monnier, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.),
Eli Zaretskii <=
- Re: Managing environments (Python venv, guix environment, etc.), Dmitry Gutov, 2016/07/24
- Re: Managing environments (Python venv, guix environment, etc.), Eli Zaretskii, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), Dmitry Gutov, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), Stefan Monnier, 2016/07/25
- Re: Managing environments (Python venv, guix environment, etc.), Michael Albinus, 2016/07/26
- Re: Managing environments (Python venv, guix environment, etc.), Stefan Monnier, 2016/07/26
- Re: Managing environments (Python venv, guix environment, etc.), Eli Zaretskii, 2016/07/26
Re: Managing environments (Python venv, guix environment, etc.), Spencer Baugh, 2016/07/28
Re: Managing environments (Python venv, guix environment, etc.), Michael Albinus, 2016/07/28