Merge pull request #1279 from pka/grass7

[FEATURE] (Processing) Initial Grass 7 support

Author: volaya

python/plugins/processing/CMakeLists.txt

@@ -6,6 +6,7 @@ ADD_SUBDIRECTORY(commander)
 ADD_SUBDIRECTORY(core)
 ADD_SUBDIRECTORY(gdal)
 ADD_SUBDIRECTORY(grass)
+ADD_SUBDIRECTORY(grass7)
 ADD_SUBDIRECTORY(gui)
 ADD_SUBDIRECTORY(images)
 ADD_SUBDIRECTORY(lidar)

python/plugins/processing/core/Processing.py

@@ -48,6 +48,7 @@
         ModelerOnlyAlgorithmProvider
 from processing.algs.QGISAlgorithmProvider import QGISAlgorithmProvider
 from processing.grass.GrassAlgorithmProvider import GrassAlgorithmProvider
+from processing.grass7.Grass7AlgorithmProvider import Grass7AlgorithmProvider
 from processing.lidar.LidarToolsAlgorithmProvider import \
         LidarToolsAlgorithmProvider
 from processing.gdal.GdalOgrAlgorithmProvider import GdalOgrAlgorithmProvider
@@ -146,6 +147,7 @@ def initialize():
         Processing.addProvider(RAlgorithmProvider())
         Processing.addProvider(SagaAlgorithmProvider())
         Processing.addProvider(GrassAlgorithmProvider())
+        Processing.addProvider(Grass7AlgorithmProvider())
         Processing.addProvider(ScriptAlgorithmProvider())
         Processing.addProvider(TauDEMAlgorithmProvider())
         Processing.addProvider(AdminToolsAlgorithmProvider())

python/plugins/processing/grass7/CMakeLists.txt

@@ -0,0 +1,8 @@
+FILE(GLOB PY_FILES *.py)
+FILE(GLOB OTHER_FILES grass7.txt)
+FILE(GLOB DESCR_FILES description/*.txt)
+
+ADD_SUBDIRECTORY(ext)
+
+PLUGIN_INSTALL(processing grass7 ${PY_FILES} ${OTHER_FILES})
+PLUGIN_INSTALL(processing grass7/description ${DESCR_FILES})

python/plugins/processing/grass7/Grass7Algorithm.py

@@ -0,0 +1,107 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    Grass7AlgorithmProvider.py
+    ---------------------
+    Date                 : April 2014
+    Copyright            : (C) 2014 by Victor Olaya
+    Email                : volayaf at gmail dot com
+***************************************************************************
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License as published by  *
+*   the Free Software Foundation; either version 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+***************************************************************************
+"""
+
+from processing.grass7.nviz7 import nviz7
+
+__author__ = 'Victor Olaya'
+__date__ = 'April 2014'
+__copyright__ = '(C) 2014, Victor Olaya'
+
+# This will get replaced with a git SHA1 when you do a git archive
+
+__revision__ = '$Format:%H$'
+
+import os
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from processing.core.ProcessingConfig import ProcessingConfig, Setting
+from processing.core.AlgorithmProvider import AlgorithmProvider
+from processing.core.ProcessingLog import ProcessingLog
+from processing.grass7.Grass7Utils import Grass7Utils
+from processing.grass7.Grass7Algorithm import Grass7Algorithm
+from processing.tools.system import *
+
+
+class Grass7AlgorithmProvider(AlgorithmProvider):
+
+    def __init__(self):
+        AlgorithmProvider.__init__(self)
+        self.createAlgsList()  # Preloading algorithms to speed up
+
+    def initializeSettings(self):
+        AlgorithmProvider.initializeSettings(self)
+        if isWindows() or isMac():
+            ProcessingConfig.addSetting(Setting(self.getDescription(),
+                    Grass7Utils.GRASS_FOLDER, 'GRASS7 folder',
+                    Grass7Utils.grassPath()))
+            ProcessingConfig.addSetting(Setting(self.getDescription(),
+                    Grass7Utils.GRASS_WIN_SHELL, 'Msys folder',
+                    Grass7Utils.grassWinShell()))
+        ProcessingConfig.addSetting(Setting(self.getDescription(),
+                                    Grass7Utils.GRASS_LOG_COMMANDS,
+                                    'Log execution commands', False))
+        ProcessingConfig.addSetting(Setting(self.getDescription(),
+                                    Grass7Utils.GRASS_LOG_CONSOLE,
+                                    'Log console output', False))
+
+    def unload(self):
+        AlgorithmProvider.unload(self)
+        if isWindows() or isMac():
+            ProcessingConfig.removeSetting(Grass7Utils.GRASS_FOLDER)
+            ProcessingConfig.removeSetting(Grass7Utils.GRASS_WIN_SHELL)
+        ProcessingConfig.removeSetting(Grass7Utils.GRASS_LOG_COMMANDS)
+        ProcessingConfig.removeSetting(Grass7Utils.GRASS_LOG_CONSOLE)
+
+    def createAlgsList(self):
+        self.preloadedAlgs = []
+        folder = Grass7Utils.grassDescriptionPath()
+        for descriptionFile in os.listdir(folder):
+            if descriptionFile.endswith('txt'):
+                try:
+                    alg = Grass7Algorithm(os.path.join(folder, descriptionFile))
+                    if alg.name.strip() != '':
+                        self.preloadedAlgs.append(alg)
+                    else:
+                        ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
+                                'Could not open GRASS GIS 7 algorithm: '
+                                + descriptionFile)
+                except Exception, e:
+                    ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
+                            'Could not open GRASS GIS 7 algorithm: '
+                            + descriptionFile)
+        self.preloadedAlgs.append(nviz7())
+
+    def _loadAlgorithms(self):
+        self.algs = self.preloadedAlgs
+
+    def getDescription(self):
+        return 'GRASS GIS 7 commands'
+
+    def getName(self):
+        return 'grass70'
+
+    def getIcon(self):
+        return QIcon(os.path.dirname(__file__) + '/../images/grass.png')
+
+    def getSupportedOutputVectorLayerExtensions(self):
+        return ['shp']
+
+    def getSupportedOutputRasterLayerExtensions(self):
+        return ['tif']
+