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bug#47885: [PATCH] org-table-import: Make it more smarter for interactiv

From: Nicolas Goaziou
Subject: bug#47885: [PATCH] org-table-import: Make it more smarter for interactive use
Date: Tue, 27 Apr 2021 22:21:20 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)


Utkarsh Singh <utkarsh190601@gmail.com> writes:

> I am attaching my patch which also include my previous suggestion of
> including yes-or-no prompt to org-table-import to allow file which don't
> have csv, tsv or txt as extension.  

I suggest to make several patches. Do not try to stuff as many changes
as possible in a single one, please.

> + When using org-table-import interactively if we failed to guess
> separator then we will be left with a user-error message and an
> 'unconverted table'.  We can make use of 'temp-buffer' to import our
> file after successfully conversion.

I'm not sure to understand what you mean.

> + Conversion part of org-table-convert-region make a distinction between
> '(4) (comma separator) and rest of the separator we should either string
> version of comma as AND condition or rewrite to simplify it.

Ditto. But it can be the object of another patch. Let's concentrate on
`org-table-guess-separator' first.

> I am willing to do these possible changes but currently waiting for your
> review for org-table-guess-separator as there can be more serious bugs
> lurking around on my code which I am considering base for these
> changes.

You should definitely write tests for this function. Here's a start:

    (ert-deftest test-org-table/guess-separator ()
      "Test `test-org-table/guess-separator'."
      ;; Test space separator.
       (equal " "
              (org-test-with-temp-text "a b\nc d"
                (org-table-guess-separator (point-min) (point-max)))))
       (equal " "
              (org-test-with-temp-text "a b\nc d"
                (org-table-guess-separator (point-min) (point-max)))))
      ;; Test "inverted" region.
       (equal " "
              (org-test-with-temp-text "a b\nc d"
                (org-table-guess-separator (point-max) (point-min)))))
      ;; Do not error on empty region.
       (org-test-with-temp-text ""
         (org-table-guess-separator (point-max) (point-min))))
       (org-test-with-temp-text "   \n"
         (org-table-guess-separator (point-max) (point-min)))))

> +      (end (save-excursion
> +                (goto-char (max beg end0))

This should be beg0 instead of beg above.

> +         (sep-regexp '((","  (rx bol (1+ (not (or ?\n ?,))) eol))
> +                    ("\t" (rx bol (1+ (not (or ?\n ?\t))) eol))
> +                    (";"  (rx bol (1+ (not (or ?\n ?\;))) eol))
> +                    (":"  (rx bol (1+ (not (or ?\n ?:))) eol))
> +                    (" "  (rx bol (1+ (not (or ?' ?\" ))
> +                                         (not (or ?\s ?\;))
> +                                         (not (or ?' ?\"))) eol))))

          (list (list ","  (rx bol (1+ (not (or ?\n ?,))) eol))
                (list "\t" (rx bol (1+ (not (or ?\n ?\t))) eol))
                (list ";"  (rx bol (1+ (not (or ?\n ?\;))) eol))
                (list ":"  (rx bol (1+ (not (or ?\n ?:))) eol))
                (list " "  (rx bol (1+ (not (or ?' ?\" ))
                                       (not (or ?\s ?\;))
                                       (not (or ?' ?\")))

so you don't need eval below, and rx forms become constants when

> +         sep)

This `sep' binding can be removed.

> +    (unless (= beg end)
> +      (save-excursion
> +        (goto-char beg)
> +        (catch :found
> +          (pcase-dolist (`(,sep ,regexp) sep-regexp)
> +            (save-excursion
> +              (unless (re-search-forward (eval regexp) end t)

You can drop the `eval'.

>    (when (and (called-interactively-p 'any)
> -          (not (string-match-p (rx "." (or "txt" "tsv" "csv") eos) file)))
> +          (not (string-match-p (rx "." (or "txt" "tsv" "csv") eos) file))
> +             (not (yes-or-no-p "File does not havs .txt .txt .csv as 
> extension.  Do you still want to continue? ")))

"does not have" and ".txt" -> ".tsv" I guess.

Also please provide a patch with a commit message, possibly using `git


Nicolas Goaziou

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