[GRASS-stats] GRASS can't find R packages from personal library on Windows

[Roger Bivand]

On Fri, 18 Nov 2016, Helmut Kudrnovsky wrote:

> Helmut Kudrnovsky wrote
>> I had a look into the sources; I can't find a line of code where winGRASS
>> changes %HOME% at the moment; but it obvious uses %USERPROFILE% as %HOME%. 
>
> maybe just found it:
>
> for trunk
>
> https://trac.osgeo.org/grass/browser/grass/trunk/lib/init/grass.py#L712
>
> 712	def ensure_home():
> 713	    """Set HOME if not set on MS Windows"""
> 714	    if windows and not os.getenv('HOME'):
> 715	        os.environ['HOME'] = os.path.join(os.getenv('HOMEDRIVE'),
> 716	                                          os.getenv('HOMEPATH'))
>
> and for the 7.0.x-line
>
> https://trac.osgeo.org/grass/browser/grass/branches/releasebranch_7_0/lib/init/grass.py#L1338
>
> 1338	# set HOME
> 1339	if windows and not os.getenv('HOME'):
> 1340	    os.environ['HOME'] = os.path.join(os.getenv('HOMEDRIVE'),
> 1341	                                      os.getenv('HOMEPATH'))
>
>

OK, so the extension would be to look in %HOME%/Documents to see if there 
is %HOME%/Documents/R, and if so do what? If R_LIBS_USER is set, do 
nothing, if not, set R_USER, or guess which win-library is the relevant 
one and set R_LIBS_USER? Even if this is redundant for non-R users?

Roger

>
>
> -----
> best regards
> Helmut
> --
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-- 
Roger Bivand
Department of Economics, Norwegian School of Economics,
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