From: "Christopher M. Miles" <numbchild@gmail.com>
To: Ihor Radchenko <yantar92@posteo.net>
Cc: numbchild@gmail.com, Matt <matt@excalamus.com>, emacs-orgmode@gnu.org
Subject: Re: ob-shell sessions will send final echo '...' as input key sequence when previous command reads input interactively
Date: Thu, 04 May 2023 00:31:50 +0800 [thread overview]
Message-ID: <m2ttwtnz4i.fsf@numbchild@gmail.com> (raw)
In-Reply-To: <87lei5aajy.fsf@localhost>
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Ihor Radchenko <yantar92@posteo.net> writes:
> "Christopher M. Miles" <numbchild@gmail.com> writes:
>
>> So currently ob-shell.el is async sending command into session buffer
>> without waiting for command to be finished.
>>
>> I checked out the ob-shell.el source code. I suppose this is the core
>> part of the problem. From intuitive view, session async evaluation
>> indeed should not wait for command to be finished. But still feel a
>> little weird.
>
> The core of the problem is in how Emacs comint is sending multiline
> input. My earlier example with M-x shell also demonstrates what is
> penning. comint.el basically simulates user input verbatim, as if you
> typed the whole thing symbol by symbol, including newlines.
>
> And it makes total sense as long as you are actually typing things
> interactively in the comint buffer.
>
> ob-shell :session in this case gets a bit weird. On one hand, it
> faithfully simulates interactive session. On the other hand, it does not
> feel fully interactive from user perspective, as you send a bunch of
> commands together within a single source block.
>
> One way to avoid the situations like with mpv could be packing the whole
> code block into script and then sending that script to comint session
> buffer. But then people who would like to actually switch to that buffer
> and work with it manually will get confused about what is going on
> there. (see `org-babel-switch-to-session' and
> `org-babel-switch-to-session-with-code').
>> If this :stdin interesting idea works, maybe other similar ideas will too.🙋
>>
>> For examples:
>>
>> - Wrap command "mpv" with a shell function which disable accepting interactive input.
>
> Is there such a function? For all possible POSIX shells?
>
>> - Setting shell or environment variable in :prolog for source block to preventing interactive input.
>
> Again, do you know how to do this?
I tested with bash and wrap mpv into a function. The :prolog way is not
working too. Seems those workaround tries can't get around the
essential problem. I'm too naive....
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next prev parent reply other threads:[~2023-05-03 16:45 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-30 4:27 [Need Help] Error to evaluate "mpv" command in inline src block stardiviner
2023-04-30 4:46 ` Ruijie Yu via General discussions about Org-mode.
2023-04-30 10:59 ` Christopher M. Miles
2023-04-30 14:52 ` Ihor Radchenko
2023-05-01 3:39 ` Christopher M. Miles
2023-05-01 7:45 ` Ihor Radchenko
2023-05-01 10:46 ` Christopher M. Miles
2023-05-01 11:39 ` ob-shell sessions will send final echo '...' as input key sequence when previous command reads input interactively (was: [Need Help] Error to evaluate "mpv" command in inline src block) Ihor Radchenko
2023-05-01 12:50 ` ob-shell sessions will send final echo '...' as input key sequence when previous command reads input interactively Christopher M. Miles
2023-05-01 13:14 ` Ihor Radchenko
2023-05-01 13:41 ` Christopher M. Miles
2023-05-01 14:20 ` Ihor Radchenko
2023-05-01 19:06 ` Christopher M. Miles
2023-05-01 13:08 ` [SOLUTION] a temporary workaround solution using another language like "python" Christopher M. Miles
[not found] ` <35881.2693202466$1682946783@news.gmane.org>
2023-05-01 13:35 ` Max Nikulin
2023-05-01 19:01 ` Christopher M. Miles
2023-05-01 19:16 ` Ihor Radchenko
2023-05-02 4:17 ` [CLOSED] [ANSWER] " Christopher M. Miles
2023-05-02 20:31 ` ob-shell sessions will send final echo '...' as input key sequence when previous command reads input interactively (was: [Need Help] Error to evaluate "mpv" command in inline src block) Matt
2023-05-03 10:41 ` Ihor Radchenko
2023-05-03 11:01 ` ob-shell sessions will send final echo '...' as input key sequence when previous command reads input interactively Christopher M. Miles
2023-05-03 12:01 ` Ihor Radchenko
2023-05-03 16:31 ` Christopher M. Miles [this message]
2023-05-01 10:50 ` [Need Help] Error to evaluate "mpv" command in inline src block Christopher M. Miles
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