Throw QgsProcessingException when a python exception occurs while running an alg

nyalldawson · nyalldawson · commit a4f23fd1a4f1 · 2017-06-23T12:08:54.000+10:00
diff --git a/python/core/processing/qgsprocessingalgorithm.sip b/python/core/processing/qgsprocessingalgorithm.sip
@@ -292,7 +292,7 @@ class QgsProcessingAlgorithm
 %End
 
     virtual QVariantMap processAlgorithm( const QVariantMap &parameters,
-                                          QgsProcessingContext &context, QgsProcessingFeedback *feedback ) const = 0;
+                                          QgsProcessingContext &context, QgsProcessingFeedback *feedback ) const = 0 /VirtualErrorHandler=processing_exception_handler/;
 %Docstring
  Runs the algorithm using the specified ``parameters``. Algorithms should implement
  their custom processing logic here.
diff --git a/src/core/processing/qgsprocessingalgorithm.h b/src/core/processing/qgsprocessingalgorithm.h
@@ -300,7 +300,7 @@ class CORE_EXPORT QgsProcessingAlgorithm
      * values such as statistical calculations.
      */
     virtual QVariantMap processAlgorithm( const QVariantMap &parameters,
-                                          QgsProcessingContext &context, QgsProcessingFeedback *feedback ) const = 0;
+                                          QgsProcessingContext &context, QgsProcessingFeedback *feedback ) const = 0 SIP_VIRTUALERRORHANDLER( processing_exception_handler );
 
     /**
      * Evaluates the parameter with matching \a name to a static string value.
