[processing] support only SAGA LTR

python/plugins/processing/algs/saga/CMakeLists.txt

@@ -1,19 +1,7 @@
 FILE(GLOB PY_FILES *.py)
-FILE(GLOB DESCR212_FILES description/2.1.2/*.txt)
-FILE(GLOB DESCR213_FILES description/2.1.3/*.txt)
-FILE(GLOB DESCR214_FILES description/2.1.4/*.txt)
-FILE(GLOB DESCR220_FILES description/2.2.0/*.txt)
-FILE(GLOB DESCR222_FILES description/2.2.2/*.txt)
-FILE(GLOB DESCR223_FILES description/2.2.3/*.txt)
-FILE(GLOB HELP_FILES help/*.rst)
+FILE(GLOB DESCR_FILES description/*.txt)
 
 ADD_SUBDIRECTORY(ext)
 
 PLUGIN_INSTALL(processing algs/saga ${PY_FILES})
-PLUGIN_INSTALL(processing algs/saga/description/2.1.2 ${DESCR212_FILES})
-PLUGIN_INSTALL(processing algs/saga/description/2.1.3 ${DESCR213_FILES})
-PLUGIN_INSTALL(processing algs/saga/description/2.1.4 ${DESCR214_FILES})
-PLUGIN_INSTALL(processing algs/saga/description/2.2.0 ${DESCR220_FILES})
-PLUGIN_INSTALL(processing algs/saga/description/2.2.2 ${DESCR222_FILES})
-PLUGIN_INSTALL(processing algs/saga/description/2.2.3 ${DESCR223_FILES})
-PLUGIN_INSTALL(processing algs/saga/help ${HELP_FILES})
+PLUGIN_INSTALL(processing algs/saga/description/ ${DESCR_FILES})

python/plugins/processing/algs/saga/SagaAlgorithm212.py → python/plugins/processing/algs/saga/SagaAlgorithm.py

@@ -62,7 +62,7 @@
 sessionExportedLayers = {}
 
 
-class SagaAlgorithm212(GeoAlgorithm):
+class SagaAlgorithm(GeoAlgorithm):
 
     OUTPUT_EXTENT = 'OUTPUT_EXTENT'
 

python/plugins/processing/algs/saga/SagaAlgorithmProvider.py

@@ -31,28 +31,18 @@
 from processing.core.AlgorithmProvider import AlgorithmProvider
 from processing.core.ProcessingConfig import ProcessingConfig, Setting
 from processing.core.ProcessingLog import ProcessingLog
-from .SagaAlgorithm212 import SagaAlgorithm212
-from .SagaAlgorithm213 import SagaAlgorithm213
-from .SagaAlgorithm214 import SagaAlgorithm214
-from .SplitRGBBands import SplitRGBBands
-from . import SagaUtils
 from processing.tools.system import isWindows, isMac
 
+from .SagaAlgorithm import SagaAlgorithm
+from .SplitRGBBands import SplitRGBBands
+from . import SagaUtils
 
 pluginPath = os.path.normpath(os.path.join(
     os.path.split(os.path.dirname(__file__))[0], os.pardir))
 
 
 class SagaAlgorithmProvider(AlgorithmProvider):
 
-    supportedVersions = {"2.1.2": ("2.1.2", SagaAlgorithm212),
-                         "2.1.3": ("2.1.3", SagaAlgorithm213),
-                         "2.1.4": ("2.1.4", SagaAlgorithm214),
-                         "2.2.0": ("2.2.0", SagaAlgorithm214),
-                         "2.2.1": ("2.2.0", SagaAlgorithm214),
-                         "2.2.2": ("2.2.2", SagaAlgorithm214),
-                         "2.2.3": ("2.2.3", SagaAlgorithm214)}
-
     def __init__(self):
         super().__init__()
         self.activate = True
@@ -91,34 +81,28 @@ def _loadAlgorithms(self):
             ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
                                    self.tr('Problem with SAGA installation: SAGA was not found or is not correctly installed'))
             return
-        if version not in self.supportedVersions:
-            lastVersion = sorted(self.supportedVersions.keys())[-1]
-            if version > lastVersion:
-                version = lastVersion
-            else:
-                ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
-                                       self.tr('Problem with SAGA installation: installed SAGA version (%s) is not supported' % version))
-                return
+
+        if version not in ['2.3.0', '2.3.1']:
+            ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
+                                   self.tr('Problem with SAGA installation: unsupported SAGA version found.'))
+            return
 
         folder = SagaUtils.sagaDescriptionPath()
-        folder = os.path.join(folder, self.supportedVersions[version][0])
         for descriptionFile in os.listdir(folder):
             if descriptionFile.endswith('txt'):
                 f = os.path.join(folder, descriptionFile)
-                self._loadAlgorithm(f, version)
-        self.algs.append(SplitRGBBands())
+                try:
+                    alg = SagaAlgorithm(os.path.join(folder, descriptionFile))
+                    if alg.name.strip() != '':
+                        self.algs.append(alg)
+                    else:
+                        ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
+                                               self.tr('Could not open SAGA algorithm: {}'.format(descriptionFile)))
+                except Exception as e:
+                    ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
+                                           self.tr('Could not open SAGA algorithm: {}\n{}'.format(descriptionFile, str(e))))
 
-    def _loadAlgorithm(self, descriptionFile, version):
-        try:
-            alg = self.supportedVersions[version][1](descriptionFile)
-            if alg.name.strip() != '':
-                self.algs.append(alg)
-            else:
-                ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
-                                       self.tr('Could not open SAGA algorithm: %s' % descriptionFile))
-        except Exception as e:
-            ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
-                                   self.tr('Could not open SAGA algorithm: %s\n%s' % (descriptionFile, str(e))))
+        self.algs.append(SplitRGBBands())
 
     def name(self):
         version = SagaUtils.getInstalledVersion()