Refresh model algorithms when providers are added

Since algorithms which models are dependent upon may now be available, we need to rebuild them to ensure that they will operate correctly.
qgis · Jun 24, 2017 · 5822ef9 · 5822ef9
1 parent ab9470d
commit 5822ef9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/python/plugins/processing/modeler/ModelerAlgorithmProvider.py b/python/plugins/processing/modeler/ModelerAlgorithmProvider.py
@@ -58,6 +58,10 @@ def __init__(self):
         self.contextMenuActions = [EditModelAction(), DeleteModelAction()]
         self.algs = []
 
+        # must reload models if providers list is changed - previously unavailable algorithms
+        # which models depend on may now be available
+        QgsApplication.processingRegistry().providerAdded.connect(self.refreshAlgorithms)
+
     def load(self):
         ProcessingConfig.settingIcons[self.name()] = self.icon()
         ProcessingConfig.addSetting(Setting(self.name(),