From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thierry Volpiatto Newsgroups: gmane.emacs.help Subject: Re: Evaluate current line in Python mode? Date: Sun, 29 Aug 2010 10:37:36 +0200 Organization: ThierryVolpiatto Message-ID: <87iq2tu84v.fsf@tux.homenetwork> References: <950559.18533.qm@web55007.mail.re4.yahoo.com> <4C7A140D.9080201@easy-emacs.de> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: dough.gmane.org 1283071244 19131 80.91.229.12 (29 Aug 2010 08:40:44 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 29 Aug 2010 08:40:44 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Aug 29 10:40:43 2010 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OpdRS-0005aq-9O for geh-help-gnu-emacs@m.gmane.org; Sun, 29 Aug 2010 10:40:42 +0200 Original-Received: from localhost ([127.0.0.1]:45642 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OpdRR-0006xQ-N7 for geh-help-gnu-emacs@m.gmane.org; Sun, 29 Aug 2010 04:40:41 -0400 Original-Received: from [140.186.70.92] (port=58327 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OpdQv-0006xL-SP for help-gnu-emacs@gnu.org; Sun, 29 Aug 2010 04:40:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OpdQu-0002tM-7G for help-gnu-emacs@gnu.org; Sun, 29 Aug 2010 04:40:09 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:58204) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OpdQt-0002tH-PW for help-gnu-emacs@gnu.org; Sun, 29 Aug 2010 04:40:08 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OpdQr-0005LA-EE for help-gnu-emacs@gnu.org; Sun, 29 Aug 2010 10:40:05 +0200 Original-Received: from 222.211.85-79.rev.gaoland.net ([79.85.211.222]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 29 Aug 2010 10:40:05 +0200 Original-Received: from thierry.volpiatto by 222.211.85-79.rev.gaoland.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 29 Aug 2010 10:40:05 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 119 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 222.211.85-79.rev.gaoland.net User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) Cancel-Lock: sha1:0maLgZWUHHgx16QwjVu6fp0CAhQ= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:74825 Archived-At: Andreas Röhler writes: > Am 28.08.2010 21:45, schrieb Michael Hannon: >> Greetings. I use Emacs for, among other things, running Python code and R >> code. In both modes (Python and ESS "Emacs Speaks Statistics") there is a >> function bound to the sequence: >> >> C-c C-n >> >> Both functions advance to the next line of code in the buffer, i.e., skipping >> blank lines, comment lines, etc. >> >> In ESS mode the function bound to C-c C-n also (by default) sends the current >> line to R for evaluation. I find this to be very convenient as a way to watch >> calculations "evolve". >> >> It's possible to do something similar in Python mode by selecting the >> current line and then sending the region (C-c C-r) to Python for evaluation, >> but this is a bit cumbersome. >> >> Can anybody suggest a way to graft the ESS-mode behavior onto Python mode? > > Try this: > > (defun my-python-send-region (&optional beg end) > (interactive) > (let ((beg (cond (beg beg) > ((region-active-p) > (region-beginning)) > (t (line-beginning-position)))) > (end (cond (end end) > ((region-active-p) > (copy-marker (region-end))) > (t (line-end-position))))) > (python-send-region beg end))) > > HTH > Comments welcome Isn't it simpler: (defun my-python-send-region (beg end) (interactive "r") (if (eq beg end) (python-send-region (point-at-bol) (point-at-eol)) (python-send-region beg end))) Otherwise, with cond you can write (cond (beg) (end)) instead of (cond (beg beg) (end end)) > > Andreas > > -- > https://code.launchpad.net/~a-roehler/python-mode > https://code.launchpad.net/s-x-emacs-werkstatt/ > >> I've appended the high-level descriptions of both functions. I understand >> that the source code is available, and that I'm free to hack away to my >> heart's content. I just don't have the skills at Emacs/Lisp required to do >> such a thing in a finite amount of time. >> >> Thanks and best wishes, >> >> -- Mike >> >> >> Python mode >> =========== >> >> C-c C-n runs the command python-next-statement, which is an >> interactive compiled Lisp function. >> >> It is bound to C-c C-n. >> >> (python-next-statement&optional COUNT) >> >> Go to start of next statement. >> With argument COUNT, do it COUNT times. Stop at end of buffer. >> Return count of statements left to move. >> >> ---------- >> >> ESS mode >> ======== >> >> C-c C-n runs the command ess-eval-line-and-step, which is an >> interactive compiled Lisp function in `ess-inf.el'. >> >> It is bound to C-c C-n, C-c C-e C-n, > line& step>. >> >> (ess-eval-line-and-step&optional SIMPLE-NEXT EVEN-EMPTY INVISIBLY) >> >> Evaluate the current line visibly and step to the "next" line. >> "next" = the next line with non-comment code _unless_ SIMPLE-NEXT is non-nil, >> possibly via prefix arg. If 2nd arg EVEN-EMPTY [prefix as well], >> also send empty lines. When the variable `ess-eval-empty' is non-nil >> both SIMPLE-NEXT and EVEN-EMPTY are interpreted as true. >> >> >> >> >> > > > -- Thierry Volpiatto Get my Gnupg key: gpg --keyserver pgp.mit.edu --recv-keys 59F29997