gtPythonCommand : now it's possible to run python scripts from matlab without...

gtPythonCommand : now it's possible to run python scripts from matlab without the need of using the executable. Added the flag 'use_exec' for that purpose.

Signed-off-by: Laura Nervo <laura.nervo@esrf.fr>

zUtil_Python/gtPythonCommand.m

-function [status, msg, ver] = gtPythonCommand(args, use_fable)
-% GTPYTHONCOMMAND  Call python witht the proper command
+function [status, msg, ver] = gtPythonCommand(args, use_fable, use_exec)
+% GTPYTHONCOMMAND  Calls python with the proper command
 %
-%     [status, msg, ver] = gtPythonCommand(args[, use_fable])
-%     ------------------------------------------------------------------------
+%     [status, msg, ver] = gtPythonCommand(args, [use_fable], [use_exec])
+%     -------------------------------------------------------------------
 %     INPUT:
-%       args      = <string>  Argumants passed to the python invocation
-%
-%     OPTIONAL INPUT:
-%       use_fable = <logical> Source fable configuration file before {false}
+%       args      = <string>    Arguments passed to the python invocation
+%       use_fable = <logical>   Source fable configuration file before {false}
+%       use_exec  = <logical>   Use the python command before the script {true}
 %
 %     OUTPUT:
-%       status    = <int>     System command return code
-%       msg       = <string>  Python command output
+%       status    = <int>       System command return code
+%       msg       = <string>    Python command output
+%       ver       = <int>       Version of python
 %
-%     OPTIONAL OUTPUT:
-%       ver       = <int>     Version of python
+%     Version 002 08-11-2013 by LNervo
+%       Added option to use or not the python executable
 %
 %     Version 001 08-02-2013 by YGuilhem
 
+
 % Default paramater value
 if ~exist('use_fable', 'var') || isempty(use_fable)
     use_fable = false;
 end
+if ~exist('use_exec', 'var') || isempty(use_exec)
+    use_exec = true;
+end
+
 pythonExes = {'python', 'python26'};
 
 % Loop over each python executables
@@ -51,6 +56,9 @@ if use_fable
 end
 
 % Run command
+if ~use_exec
+    pythonExe = '';
+end
 [status, msg] = system([fableSet pythonExe ' ' args]);
 
 % Add version output if asked