Sorry, I thought I had tested it with some changes I made afterwards, this end part works better:

    startcmd = 'python '+s.name
    # set env variable
    tmpdir = os.path.dirname(s.name)
    os.environ['GRASS_ADDON_PATH']=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)

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:[email protected]] *On Behalf Of *Blumentrath, Stefan
*Sent:* 12. oktober 2015 11:36
*To:* GRASS developers list ([email protected]) <[email protected]>
*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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