Hi Stefan,
I have been meaning to implement something like this too and got your
example to work with the additional step of setting the environment
variable GRASS_ADDON_PATH (and under unix setting the permissions). Here
is my example just parsing the first mapset it finds:
import os, tempfile, stat
import grass.script as grass
module = 'subbasins.py'
if __name__=='__main__':
answer = grass.mapsets(search_path = True)
available_mapsets = grass.mapsets()
script=file(module,'r').read()
with tempfile.NamedTemporaryFile(delete = False) as s:
s.write('''#!/usr/bin/env python
# -*- coding: utf-8 -*-
{script}
#%Option
#% key:{option}
#%end
'''.format(script=script,option=available_mapsets[0].lower()))
startcmd = 'python '+s.name
# set env variable
aoev='GRASS_ADDON_PATH'
tmpdir = os.path.basename(s.name)
if aoev in os.environ:
os.environ[aoev]=[tmpdir]+os.environ[aoev]
else:
os.environ[aoev]=[tmpdir]
# set permissions
os.chmod(s.name, os.stat(s.name).st_mode | stat.S_IEXEC)
# start module
os.system(startcmd)
os.remove(s.name)
Let me know if this works under Windows too.
Michel
On 10/12/2015 12:55 PM, Blumentrath, Stefan wrote:
Hi again,
Now I found out that the parser section in the inner python script was
not formated properly.
However, when I now call the inner script with ‘--ui’ I get an error:
Unable to fetch interface description for command ‘tmpjksdfjiol’
Details:
Try to set up GRASS_ADDON_PATH or GRASS_ADDON_BASE variable.
It was neither possible to run the script using grass.run_command()
(on Windows).
Cheers
Stefan
*From:*grass-dev [mailto:grass-dev-boun...@lists.osgeo.org] *On Behalf
Of *Blumentrath, Stefan
*Sent:* 12. oktober 2015 11:36
*To:* GRASS developers list (grass-dev@lists.osgeo.org)
<grass-dev@lists.osgeo.org>
*Subject:* [GRASS-dev] Using a dynamic text in module header for parser
Hi,
I would like to fill:
#% options:
and
#% answer
in a parser option for a python script dynamically. In particular I
want to have tickboxes for available mapsets in the module GUI…
Meaning something like this (but less complex / not interactive):
http://permalink.gmane.org/gmane.comp.gis.grass.gui/667
My amateur programming skills do unfortunately not allow me to really
understand how to accomplish what Glynn describes in the post above…
I tried to generate and run a temporary python script from within my
script like this:
def main():
answer = grass.mapsets(search_path = True)
available_mapsets = str(grass.mapsets())
with tempfile.NamedTemporaryFile(delete = False) as s:
s.write(''' #!/usr/bin/env python
# -*- coding: utf-8 -*-
# Here comes the full module with header for the parser
#% options: ''' + str(','.join(available_mapsets))
…
’’’)
startcmd = 'python ' + s.name
os.system(startcmd)
os.remove(s.name)
But that way the GUI never starts, when I call the outer script from
GRASS and it seems that option never get parsed…
Any hints how to proceed?
Thanks for helping in advance.
Stefan
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