import os

import sys

import subprocess

# https://gis.stackexchange.com/questions/203310/connecting-python-script-external-to-grass-gis-7-program-in-windows-10?noredirect=1&lq=1

# add grass.script

grass7bin = r'C:\Program Files (x86)\QGIS 3.0\bin\grass74.bat'

startcmd = [grass7bin, '--config', 'path']

try:

p = subprocess.Popen(startcmd, shell=False,

stdout=subprocess.PIPE, stderr=subprocess.PIPE)

out, err = p.communicate()

except OSError as error:

sys.exit("ERROR: Cannot find GRASS GIS start script"

" {cmd}: {error}".format(cmd=startcmd[0], error=error))

if p.returncode != 0:

sys.exit("ERROR: Issues running GRASS GIS start script"

" {cmd}: {error}"

.format(cmd=' '.join(startcmd), error=err))

gisbase = out.strip(os.linesep)

os.environ['GISBASE'] = gisbase

grass_pydir = os.path.join(gisbase, "etc", "python")

sys.path.append(grass_pydir)

import grass.script.setup as gsetup

gisdb = os.path.join(os.path.expanduser("~"), "Documents/grassdata")

location = "nc_spm_08"

mapset = "user1"

rcfile = gsetup.init(gisbase, gisdb, location, mapset)

from grass.script import core as gcore

cmds = list(gcore.get_commands()[0])

cmds.sort()

file_names = [cmd.replace('.', '_') for cmd in cmds]

print len(cmds)

with open(os.path.join("C:\Users", "radek", "Desktop", "generate_xml.bat"), 'w') as file:

file.write('@ECHO ON\n')

for name, file_name in zip(cmds, file_names):

file.write('{} --interface-description > C:\Users\\radek\Desktop\XML_grass\{}.xml\n'.format(name, file_name))

from grass.script import task as gtask

gtask.command_info('r.info')

# for name in cmds:

print gtask.parse_interface('C:\\Program Files (x86)\\QGIS 3.0\\apps\\grass\\grass-7.4.0\\scripts\\r.grow.py')

# r.univar --interface-description > C:\Users\radek\Desktop\r_univar.txt

os.remove(rcfile)