Fix multi layer parameters in models not giving all options for inputs

Author: nyalldawson

python/plugins/processing/gui/wrappers.py

@@ -524,20 +524,20 @@ class MultipleInputWidgetWrapper(WidgetWrapper):
 
     def _getOptions(self):
         if self.param.layerType() == QgsProcessing.TypeVectorAny:
-            options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterFeatureSource, QgsProcessingOutputVectorLayer)
+            options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer, QgsProcessingParameterMultipleLayers), QgsProcessingOutputVectorLayer)
         elif self.param.layerType() == QgsProcessing.TypeVectorPoint:
-            options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterFeatureSource, QgsProcessingOutputVectorLayer,
+            options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer, QgsProcessingParameterMultipleLayers), QgsProcessingOutputVectorLayer,
                                                            [QgsProcessing.TypeVectorPoint, QgsProcessing.TypeVectorAny])
         elif self.param.layerType() == QgsProcessing.TypeVectorLine:
-            options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterFeatureSource, QgsProcessingOutputVectorLayer,
+            options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer, QgsProcessingParameterMultipleLayers), QgsProcessingOutputVectorLayer,
                                                            [QgsProcessing.TypeVectorLine, QgsProcessing.TypeVectorAny])
         elif self.param.layerType() == QgsProcessing.TypeVectorPolygon:
-            options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterFeatureSource, QgsProcessingOutputVectorLayer,
+            options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer, QgsProcessingParameterMultipleLayers), QgsProcessingOutputVectorLayer,
                                                            [QgsProcessing.TypeVectorPolygon, QgsProcessing.TypeVectorAny])
         elif self.param.layerType() == QgsProcessing.TypeRaster:
-            options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterRasterLayer, QgsProcessingOutputRasterLayer)
+            options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterRasterLayer, QgsProcessingParameterMultipleLayers), QgsProcessingOutputRasterLayer)
         elif self.param.layerType() == QgsProcessing.TypeTable:
-            options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterVectorLayer, OutputTable)
+            options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer, QgsProcessingParameterMultipleLayers), OutputTable)
         else:
             options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterFile, OutputFile)
         options = sorted(options, key=lambda opt: self.dialog.resolveValueDescription(opt))

python/plugins/processing/modeler/ModelerParametersDialog.py

@@ -44,6 +44,7 @@
                        QgsProcessingModelChildAlgorithm,
                        QgsProcessingModelChildParameterSource,
                        QgsProcessingParameterFeatureSink,
+                       QgsProcessingParameterMultipleLayers,
                        QgsProcessingParameterRasterDestination,
                        QgsProcessingParameterFileDestination,
                        QgsProcessingParameterFolderDestination,
@@ -236,11 +237,11 @@ def getAvailableValuesOfType(self, paramType, outTypes=[], dataTypes=[]):
         # upgrade paramType to list
         if paramType is None:
             paramType = []
-        elif not isinstance(paramType, list):
+        elif not isinstance(paramType, (tuple, list)):
             paramType = [paramType]
         if outTypes is None:
             outTypes = []
-        elif not isinstance(outTypes, list):
+        elif not isinstance(outTypes, (tuple, list)):
             outTypes = [outTypes]
 
         return self.model.availableSourcesForChild(self.childId, [p.typeName() for p in paramType if issubclass(p, QgsProcessingParameterDefinition)],