Skip to content

Instantly share code, notes, and snippets.

@alphapapa
Last active September 7, 2023 00:03
Show Gist options
  • Save alphapapa/54761d6d507553f5a399 to your computer and use it in GitHub Desktop.
Save alphapapa/54761d6d507553f5a399 to your computer and use it in GitHub Desktop.
Emacs: Python: outline-minor-mode headings for both Python keywords and standard commented-starred headings
(defun python-mode-outline-hook ()
(setq outline-level 'python-outline-level)
(setq outline-regexp
(rx (or
;; Commented outline heading
(group
(* space) ; 0 or more spaces
(one-or-more (syntax comment-start))
(one-or-more space)
;; Heading level
(group (repeat 1 8 "\*")) ; Outline stars
(one-or-more space))
;; Python keyword heading
(group
;; Heading level
(group (* space)) ; 0 or more spaces
bow
;; Keywords
(or "class" "def" "else" "elif" "except" "for" "if" "try" "while")
eow)))))
(defun python-outline-level ()
(or
;; Commented outline heading
(and (string-match (rx
(* space)
(one-or-more (syntax comment-start))
(one-or-more space)
(group (one-or-more "\*"))
(one-or-more space))
(match-string 0))
(- (match-end 0) (match-beginning 0)))
;; Python keyword heading, set by number of indentions
;; Add 8 (the highest standard outline level) to every Python keyword heading
(+ 8 (- (match-end 0) (match-beginning 0)))))
(add-hook 'python-mode-hook 'python-mode-outline-hook)
@TimotheeMathieu
Copy link

Thanks, this works well with outline-minor-mode.
Would it be possible to do something similar with outshine ? I tried without success.

@alphapapa
Copy link
Author

Thanks, this works well with outline-minor-mode. Would it be possible to do something similar with outshine ? I tried without success.

Generally, Outshine isn't designed to be terribly extensible or customizeable, but you might be able to customize the corresponding outshine variables to achieve a similar effect.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment