changeset 13163:2ca9730d35ba

python: new function to invoke python scripts from octave code
author Carnë Draug <carandraug+dev@gmail.com>
date Mon, 19 Sep 2011 22:52:47 +0100
parents 4e92b71dcc97
children 36afcd6fc45f
files scripts/miscellaneous/module.mk scripts/miscellaneous/python.m
diffstat 2 files changed, 46 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/miscellaneous/module.mk
+++ b/scripts/miscellaneous/module.mk
@@ -50,6 +50,7 @@
   miscellaneous/paren.m \
   miscellaneous/parseparams.m \
   miscellaneous/perl.m \
+  miscellaneous/python.m \
   miscellaneous/rmappdata.m \
   miscellaneous/run.m \
   miscellaneous/semicolon.m \
new file mode 100644
--- /dev/null
+++ b/scripts/miscellaneous/python.m
@@ -0,0 +1,45 @@
+## Copyright (C) 2008-2011 Julian Schnidder
+## Copyright (C) 2011 Carnë Draug <carandraug+dev@gmail.com>
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {[@var{output}, @var{status}] =} python (@var{scriptfile})
+## @deftypefnx {Function File} {[@var{output}, @var{status}] =} python (@var{scriptfile}, @var{argument1}, @var{argument2}, @dots{})
+## Invoke python script @var{scriptfile} with possibly a list of
+## command line arguments.
+## Returns output in @var{output} and status
+## in @var{status}.
+## @seealso{system}
+## @end deftypefn
+
+function [output, status] = python (scriptfile = "-c ''", varargin)
+
+  ## VARARGIN is intialized to {}(1x0) if no additional arguments are
+  ## supplied, so there is no need to check for it, or provide an
+  ## initial value in the argument list of the function definition.
+
+  if (ischar (scriptfile)
+      && ((nargin != 1 && iscellstr (varargin))
+          || (nargin == 1 && ! isempty (scriptfile))))
+    [status, output] = system (cstrcat ("python ", scriptfile,
+                                        sprintf (" %s", varargin{:})));
+  else
+    error ("python: invalid arguments");
+  endif
+
+endfunction