[Numpy-discussion] fast putmask implementation

Stefan van der Walt stefan at sun.ac.za
Mon Aug 20 10:26:19 EDT 2007

On Sat, Aug 18, 2007 at 01:51:50AM -0600, Travis Oliphant wrote:
> > Not any more! See the revised PEP 007, 
> > http://www.python.org/dev/peps/pep-0007/
> > 
> >      In Python 3000 (and in the 2.x series, in new source files),
> >      we'll switch to a different indentation style: 4 spaces per indent,
> >      all spaces (no tabs in any file).  The rest will remain the same.
> > 
> > I would love to see this as the standard in numpy as well.  Then files 
> > obey WYSIWYG regardless of editor.  (Except for unicode woes, but that 
> > is another topic.)
> > 
> I'm fine with this.  Some information on how to make sure emacs (and 
> other editors) does this would be helpful.

Here are some of my .emacs snippets.  I assume that .el files are
placed in ~/elisp and that the following line is in your emacs

(add-to-list 'load-path "~/elisp")

Highlight unnecessary whitespace

Download: http://www.emacswiki.org/cgi-bin/wiki/show-wspace.el

; Show whitespace
(require 'show-wspace)
(add-hook 'python-mode-hook 'highlight-tabs)
(add-hook 'font-lock-mode-hook 'highlight-trailing-whitespace)

Clean up tabs and trailing spaces

M-x untabify


M-x whitespace-cleanup

Tell emacs never to use tabs

(setq-default indent-tabs-mode nil)

Highlight all text after column 80

Download: http://www.emacswiki.org/cgi-bin/wiki/column-marker.el

(require 'column-marker)
(add-hook 'font-lock-mode-hook (lambda () (interactive) (column-marker-1 80)))

Show a ruler with the current column position

(require 'ruler-mode)
(add-hook 'font-lock-mode-hook 'ruler-mode)

Enable restructured text (ReST) editing

(require 'rst)
(add-hook 'text-mode-hook 'rst-text-mode-bindings)

Fix outline-mode to work with Python

(add-hook 'python-mode-hook 'my-python-hook)
(defun py-outline-level ()
  "This is so that `current-column` DTRT in otherwise-hidden text"
  ;; from ada-mode.el
  (let (buffer-invisibility-spec)
      (skip-chars-forward "\t ")

; this fragment originally came from the web somewhere, but the outline-regexp
; was horribly broken and is broken in all instances of this code floating
; around.  Finally fixed by Charl P. Botha
; <<a href="http://cpbotha.net/">http://cpbotha.net/</a>>
(defun my-python-hook ()
  (setq outline-regexp "[^ \t\n]\\|[ \t]*\\(def[ \t]+\\|class[ \t]+\\)")
  ; enable our level computation
  (setq outline-level 'py-outline-level)
  ; do not use their \C-c@ prefix, too hard to type. Note this overides 
  ;some python mode bindings
  ;(setq outline-minor-mode-prefix "\C-c")
  ; turn on outline mode
  (outline-minor-mode t)
  ; initially hide all but the headers
  ; (hide-body)
  (show-paren-mode 1)


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