From ee185cce4da32ac19e4be76bd00c7b113eb3b5bd Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Mon, 9 Apr 2018 14:32:18 +1000
Subject: [PATCH] [processing] Fix python runAlgorithm when algorithm has
 missing optional outputs

---
 python/plugins/processing/core/Processing.py  |   3 +++
 .../testdata/custom/circular_strings.gpkg     | Bin 131072 -> 131072 bytes
 2 files changed, 3 insertions(+)

diff --git a/python/plugins/processing/core/Processing.py b/python/plugins/processing/core/Processing.py
index 06289b325c8..db17c63e898 100644
--- a/python/plugins/processing/core/Processing.py
+++ b/python/plugins/processing/core/Processing.py
@@ -162,6 +162,9 @@ class Processing(object):
             else:
                 # auto convert layer references in results to map layers
                 for out in alg.outputDefinitions():
+                    if out.name() not in results:
+                        continue
+
                     if isinstance(out, (QgsProcessingOutputVectorLayer, QgsProcessingOutputRasterLayer, QgsProcessingOutputMapLayer)):
                         result = results[out.name()]
                         if not isinstance(result, QgsMapLayer):
diff --git a/python/plugins/processing/tests/testdata/custom/circular_strings.gpkg b/python/plugins/processing/tests/testdata/custom/circular_strings.gpkg
index 3f82c62ed55b72223706a633ce3382f91ec9d517..6c42ec2c58d3c08169cfca8cd1e6b89e8ff51768 100644
GIT binary patch
delta 22
dcmZo@;Am*zm>|s<JyFJ)F}g8fYXakf{{T}F2l@a2

delta 22
dcmZo@;Am*zm>|t)J5k1&(Y7&RYXakf{{T>%2fhFR