[GRASS-dev] [GRASS GIS] #3559: permission denied on Windows Subsystem for Linux

[GRASS GIS]

#3559: permission denied on Windows Subsystem for Linux
-------------------------+-------------------------
 Reporter:  lrntct       |      Owner:  grass-dev@…
     Type:  defect       |     Status:  new
 Priority:  normal       |  Milestone:  7.6.0
Component:  Default      |    Version:  7.4.0
 Keywords:               |        CPU:  x86-64
 Platform:  Unspecified  |
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 I am trying to use GRASS on Ubuntu 18.04 on Windows 10 using the Windows
 Subsystem for Linux.

 The permissions seems to work appropriately, i.e I can create a normal
 file, either manually or through Python. The error occurs only when using
 GRASS, that is why I report the bug here.
 When I try to create a map, GRASS returns the following error:

 {{{
 Writing a file works
 Creating a GRASS map results in a permission denied error
 ERROR: MAPSET input - permission denied
 Traceback (most recent call last):
   File "../../../../Documents/grass_wsl.py", line 9, in <module>
     gscript.run_command('r.mapcalc', expression="map_test=2")
   File "/usr/lib/grass74/etc/python/grass/script/core.py", line 421, in
 run_command
     return handle_errors(returncode, returncode, args, kwargs)
   File "/usr/lib/grass74/etc/python/grass/script/core.py", line 332, in
 handle_errors
     returncode=returncode)
 grass.exceptions.CalledModuleError: Module run None ['r.mapcalc',
 'expression=map_test=2'] ended with error
 Process ended with non-zero return code 1. See errors in the (error)
 output.
 }}}

 This is a minimum working example:
 {{{
 print('Writing a file works')
 with open('testfile', 'w') as testfile:
     testfile.write('this is a test')

 print('Creating a GRASS map results in a permission denied error')
 from grass.script import core as gscript
 gscript.run_command('r.mapcalc', expression="map_test=2")
 }}}

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3559>
GRASS GIS <https://grass.osgeo.org>