bug#13888: patch for python indentation

[Stefan Monnier]

> A previous version of emacs’ python-mode would unindent the line after a
> pass or retrun keyword, which end the current block.  The current
> version does not do so.  The attached patch restores this behavior.

Fabián, podrías mirar eso, por favor?


        Stefan


>> From f695ce5ade65d3be0c34ec74443bb65f8cfa688b Mon Sep 17 00:00:00 2001
> From: Aaron Ecay <aaronecay@gmail.com>
> Date: Wed, 6 Mar 2013 01:33:48 -0500
> Subject: [PATCH] Improve python indentation after return or pass

> * progmodes/python.el (python-indent-calculate-indentation): Unindent
> after a return or pass keyword on the previous line.
> ---
>  lisp/ChangeLog           |  5 +++++
>  lisp/progmodes/python.el | 12 +++++++++---
>  2 files changed, 14 insertions(+), 3 deletions(-)

> diff --git a/lisp/ChangeLog b/lisp/ChangeLog
> index 88b9992..1cd9dc2 100644
> --- a/lisp/ChangeLog
> +++ b/lisp/ChangeLog
> @@ -1,3 +1,8 @@
> +2013-03-06  Aaron Ecay  <aaronecay@gmail.com>
> +
> +     * progmodes/python.el (python-indent-calculate-indentation):
> +     Unindent after a return or pass keyword on the previous line.
> +
>  2013-03-05  Michael Albinus  <michael.albinus@gmx.de>
 
>       * net/tramp-compat.el (tramp-compat-delete-directory): Implement
> diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
> index f0f67d0..6102490 100644
> --- a/lisp/progmodes/python.el
> +++ b/lisp/progmodes/python.el
> @@ -763,9 +763,15 @@ START is the buffer position where the sexp starts."
>              (save-excursion
>                (goto-char context-start)
>                (current-indentation))
> -            (if (progn
> -                  (back-to-indentation)
> -                  (looking-at (regexp-opt python-indent-dedenters)))
> +            (if (or (progn
> +                      (back-to-indentation)
> +                      (looking-at (regexp-opt python-indent-dedenters)))
> +                    (progn
> +                      (back-to-indentation)
> +                      (skip-chars-backward (rx (or whitespace ?\n)))
> +                      (back-to-indentation)
> +                      (looking-at (rx (or "pass" "return")
> +                                      (or " " "\n")))))
>                  python-indent-offset
>                0)))
>            ;; When inside of a string, do nothing. just use the current
> -- 
> 1.8.1.5



> -- 
> Aaron Ecay