[GRASS-user] grass 6.4 rc5 and python scripting

Moritz Lennert mlennert at club.worldonline.be
Tue Jun 30 09:58:01 EDT 2009

On 30/06/09 12:58, Ricardo Filipe Soares Garcia da wrote:
> Hello list
> I compiled grass-6.4.0RC5 (downloaded a tarball from the main site).
> I'd like to learn about scripting grass with python.
> Following the first sample script at the GRASS Python scripting
> library (http://download.osgeo.org/grass/grass6_progman/pythonlib.html)
> I created a test file called teste.py, and placed it on the Desktop.
> When I try to run it inside a GRASS session I am geting the following
> error:
> GRASS 6.4.0RC5 (aeigT3):~/Desktop > ./teste.py
> sh: teste.py: not found
> Traceback (most recent call last):
>   File "/usr/local/grass-6.4.0RC5/etc/wxpython/gui_modules/menuform.py",
> line 1931, in <module>
>     GrassGUIApp( grassTask( sys.argv[1] ) ).MainLoop()
>   File "/usr/local/grass-6.4.0RC5/etc/wxpython/gui_modules/menuform.py",
> line 335, in __init__
>     xml.sax.parseString( getInterfaceDescription( grassModule ) ,
> processTask( self ) )
>   File "/usr/local/grass-6.4.0RC5/etc/wxpython/gui_modules/menuform.py",
> line 1748, in getInterfaceDescription
>     raise IOError, _("Unable to fetch interface description for
> command '%s'.") % cmd
> IOError: Unable to fetch interface description for command 'teste.py'.
> The file contents are just a copy+paste from the online example. Can
> someone point me to the cause of the error?

In order for g.parser to work, the file teste.py needs to be in your 
PATH. So, you can do something like this:

export PATH=$PATH:.


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