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osgeo4w: rely on GRASS' GISBASE environment variable instead of
detecting the path (ie. use the same version for processing as the
version that the grass plugin uses)
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jef-n committed Jan 29, 2019
1 parent 532d1dd commit 806ae86
Showing 1 changed file with 26 additions and 12 deletions.
38 changes: 26 additions & 12 deletions python/plugins/processing/algs/grass7/Grass7Utils.py
Expand Up @@ -132,9 +132,6 @@ def grassBin():
Find GRASS binary path on the operating system.
Sets global variable Grass7Utils.command
"""
cmdList = ["grass76", "grass74", "grass72", "grass70", "grass",
"grass76.sh", "grass74.sh", "grass72.sh", "grass70.sh", "grass.sh"]

def searchFolder(folder):
"""
Inline function to search for grass binaries into a folder
Expand All @@ -153,6 +150,24 @@ def searchFolder(folder):
path = Grass7Utils.grassPath()
command = None

vn = os.path.join(path, "etc", "VERSIONNUMBER")
if os.path.isfile(vn):
with open(vn, "r") as f:
major, minor, patch = f.readlines()[0].split(' ')[0].split('.')
if patch != 'svn':
patch = ''
cmdList = [
"grass{}{}{}".format(major, minor, patch),
"grass",
"grass{}{}{}.sh".format(major, minor, patch),
"grass.sh"
]
else:
cmdList = [
"grass76", "grass74", "grass72", "grass70", "grass",
"grass76.sh", "grass74.sh", "grass72.sh", "grass70.sh", "grass.sh"
]

# For MS-Windows there is a difference between GRASS Path and GRASS binary
if isWindows():
# If nothing found, use OSGEO4W or QgsPrefix:
Expand All @@ -166,7 +181,7 @@ def searchFolder(folder):
# Search in grassPath
command = searchFolder(path)

# Under GNU/Linux or if everything has failed, use shutil
# If everything has failed, use shutil
if not command:
for cmd in cmdList:
testBin = shutil.which(cmd)
Expand Down Expand Up @@ -203,15 +218,14 @@ def grassPath():
if folder is None:
# Under MS-Windows, we use OSGEO4W or QGIS Path for folder
if isWindows():
if "OSGEO4W_ROOT" in os.environ:
testfolder = os.path.join(str(os.environ['OSGEO4W_ROOT']), "apps")
if "GISBASE" in os.environ:
folder = os.environ["GISBASE"]
else:
testfolder = str(QgsApplication.prefixPath())
testfolder = os.path.join(testfolder, 'grass')
if os.path.isdir(testfolder):
grassfolders = sorted([f for f in os.listdir(testfolder) if f.startswith("grass-7.") and os.path.isdir(os.path.join(testfolder, f))], reverse=True, key=lambda x: [int(v) for v in x[len("grass-"):].split('.') if v != 'svn'])
if grassfolders:
folder = os.path.join(testfolder, grassfolders[0])
testfolder = os.path.join(str(QgsApplication.prefixPath()), 'grass')
if os.path.isdir(testfolder):
grassfolders = sorted([f for f in os.listdir(testfolder) if f.startswith("grass-7.") and os.path.isdir(os.path.join(testfolder, f))], reverse=True, key=lambda x: [int(v) for v in x[len("grass-"):].split('.') if v != 'svn'])
if grassfolders:
folder = os.path.join(testfolder, grassfolders[0])
elif isMac():
# For MacOSX, we scan some well-known directories
# Start with QGIS bundle
Expand Down

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