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From: Jack Kamm <jackkamm@gmail.com>
To: Jeremie Juste <jeremiejuste@gmail.com>, Org Mode <emacs-orgmode@gnu.org>
Cc: "Berry, Charles" <ccberry@health.ucsd.edu>
Subject: Re: [PATCH] async process in R
Date: Sat, 02 Oct 2021 15:54:17 -0700	[thread overview]
Message-ID: <87bl47ox5y.fsf@gmail.com> (raw)
In-Reply-To: <87zgrzclb5.fsf@debian-BULLSEYE-live-builder-AMD64>

Hi Jeremie,

Many thanks for bringing this over the finish line! I'm very glad it
made it into Org 9.5.

All the tests passed on my end, and and I successfully ran a few async
R blocks without any issues.

I do have some suggestions for code style below. They apply to both the
original patch, as well as followup fixes that have been committed
since.

> +(defconst ob-session-async-R-indicator "'ob_comint_async_R_%s_%s'")
> +
> +(defun ob-session-async-org-babel-R-evaluate-session

For consistency with the rest of ob-R.el, as well as with the async
functions in ob-python, I suggest using a prefix of
"org-babel-R-async-". So
"ob-session-async-org-babel-R-evaluate-session" would become
"org-babel-R-async-evaluate-session", etc.

> +(ert-deftest ob-session-async-R-simple-session-async-value ()

Again, for consistency I suggest renaming the test functions so they are
prefixed with "test-ob-R/". For example,
"ob-session-async-R-simple-session-async-value" could become
"test-ob-R/async-session-simple-value". This would also allow easily
running all the R tests using "BTEST_RE='.*ob-R.*' make test".

> +         (setq user-inject-src-param ess-inject-source)
>           (setq ess-eval-visibly nil)
> +         (setq  ess-inject-source 'function-and-buffer)
>           (ess-eval-buffer nil))
> -         (setq ess-eval-visibly tmp)
> +       (setq ess-eval-visibly tmp)
> +       (setq ess-inject-source user-inject-src-param)

Rather than using setq, it would be better to let bind these like so:

(let ((ess-eval-visibly nil)
      (ess-inject-source 'function-and-buffer))
   ...code in here...
)

This temporarily sets the variables within the let-block, then resets
them to their original values afterwards. Then you can also remove the
temporary variables "user-inject-src-param" and "ess-eval-visibly-tmp"
as well as their defvars at the top of the file.

Actually, since the code is already in a let-block, you can simply add
these variables to the existing let-statement.

> +           (list (format org-babel-R-write-object-command
> +                         (if row-names-p "TRUE" "FALSE")
> +                         (if column-names-p
> +                             (if row-names-p "NA" "TRUE")
> +                           "FALSE")
> +                         ".Last.value"
> +                         (org-babel-process-file-name tmp-file 'noquote))

Some parts of ob-session-async-org-babel-R-evaluate-session, such as
the above, are duplicated from org-babel-R-evaluate-session; it would
be good to reduce duplication by abstracting these out to separate
functions.

Thanks again for porting this, and for taking care of ob-R.el in
general.

All the best,
Jack


  parent reply	other threads:[~2021-10-02 22:54 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-26 17:13 Jeremie Juste
2021-09-26 18:33 ` Greg Minshall
2021-09-26 19:52   ` Jeremie Juste
2021-09-27  4:04     ` Greg Minshall
2021-09-27  6:48       ` Bastien
2021-09-27 19:21         ` Jeremie Juste
2021-09-28  3:02           ` Jack Kamm
2021-09-27  8:18 ` Bastien
2021-09-27 18:28 ` Berry, Charles via General discussions about Org-mode.
2021-09-27 19:25   ` Jeremie Juste
2021-09-27 20:28   ` Jeremie Juste
2021-09-27 22:56     ` Berry, Charles via General discussions about Org-mode.
2021-09-27 23:40       ` Berry, Charles via General discussions about Org-mode.
2021-09-28  7:34         ` Jeremie Juste
2021-09-28 18:22           ` Berry, Charles via General discussions about Org-mode.
2021-09-28 20:40             ` Jeremie Juste
2021-10-02 22:57               ` Jack Kamm
2021-10-02 22:54 ` Jack Kamm [this message]
2021-10-02 23:14   ` Jack Kamm

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