GNU bug report logs - #2419
23.0.90; python-mode: Better Imenu

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Package: emacs;

Reported by: Milan Zamazal <pdm <at> zamazal.org>

Date: Sat, 21 Feb 2009 10:30:03 UTC

Severity: wishlist

Fixed in version 24.2

Done: Fabián Ezequiel Gallina <fabian <at> anue.biz>

Bug is archived. No further changes may be made.

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Report forwarded to bug-submit-list <at> lists.donarmstrong.com, Emacs Bugs <bug-gnu-emacs <at> gnu.org>:
bug#2419; Package emacs. (Sat, 21 Feb 2009 10:30:03 GMT) Full text and rfc822 format available.
Acknowledgement sent to Milan Zamazal <pdm <at> zamazal.org>:
New bug report received and forwarded. Copy sent to Emacs Bugs <bug-gnu-emacs <at> gnu.org>. (Sat, 21 Feb 2009 10:30:03 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Milan Zamazal <pdm <at> zamazal.org>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.0.90; python-mode: Better Imenu
Date: Sat, 21 Feb 2009 11:24:23 +0100

In GNU Emacs 23.0.90.1 (x86_64-pc-linux-gnu, GTK+ Version 2.12.11)
 of 2009-02-03 on blackbird, modified by Debian
 (emacs-snapshot package, version 1:20090202-1)

The Imenu support as currently implemented in python-mode is not very
useful:

1. It is easier to use I-search than clicking through the offered
   choices.

2. When I call `M-x imenu', it usually can't find the definition of the
   identifier at the current point.

FWIW, I use the following Imenu index building function which fixes both
the problems by using single-string items, with reverse order of the
identifiers within the string.  Perhaps something like this could be
useful for other people as well.

(defun my-python-imenu-create-index ()
  (let ((index '())
        (suffix '()))
    (save-excursion
      (goto-char (point-min))
      (while (re-search-forward "^\\([ \t]*\\)\\(def\\|class\\) \\([a-zA-Z_0-9]+\\)" nil t)
        (let ((indentation (length (match-string 1)))
              (name (match-string-no-properties 3)))
          (while (and suffix (<= indentation (caar suffix)))
            (setq suffix (cdr suffix)))
          (let* ((current-suffix (if suffix (cdar suffix) ""))
                 (name+suffix (concat name current-suffix)))
            (push (cons indentation (concat "." name+suffix)) suffix)
            (push (cons name+suffix (match-end 3)) index))))
      (goto-char (point-min))
      (while (re-search-forward "^\\([a-zA-Z_0-9]+\\) *=" nil t)
        (push (cons (match-string-no-properties 1) (match-end 1)) index)))
    (sort* index 'string< :key 'car)))

Regards,

Milan Zamazal
bug reassigned from package `emacs' to `emacs,python'. Request was from Juanma Barranquero <lekktu <at> gmail.com> to control <at> emacsbugs.donarmstrong.com. (Mon, 23 Feb 2009 11:30:03 GMT) Full text and rfc822 format available.
Severity set to `wishlist' from `normal' Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Thu, 02 Apr 2009 06:55:05 GMT) Full text and rfc822 format available.
bug marked as fixed in version 24.2, send any further explanations to 2419 <at> debbugs.gnu.org and Milan Zamazal <pdm <at> zamazal.org> Request was from Fabián Ezequiel Gallina <fabian <at> anue.biz> to control <at> debbugs.gnu.org. (Tue, 17 Jul 2012 14:28:02 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Wed, 15 Aug 2012 11:24:04 GMT) Full text and rfc822 format available.
This bug report was last modified 12 years and 314 days ago.

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