Commit: 2f9a0dfe6429661f1d4bdf28398504df7fe98beb
Author: Dalai Felinto
Date: Thu Feb 23 12:35:14 2017 +0100
Branches: blender2.8
https://developer.blender.org/rB2f9a0dfe6429661f1d4bdf28398504df7fe98beb
Fix T50714: Collections: Adding object to scene without an existing collection
This was causing blender to segfault.
We now add create a new collection and link to the layer before adding
the new object
(also included unittests, and requires updated lib/tests)
===================================================================
M release/scripts/modules/bpy_extras/object_utils.py
M source/blender/blenkernel/intern/object.c
M tests/python/render_layer/CMakeLists.txt
M tests/python/render_layer/render_layer_common.py
A tests/python/render_layer/test_object_add_no_collection_cylinder.py
A tests/python/render_layer/test_object_add_no_collection_empty.py
A tests/python/render_layer/test_object_add_no_collection_torus.py
===================================================================
diff --git a/release/scripts/modules/bpy_extras/object_utils.py
b/release/scripts/modules/bpy_extras/object_utils.py
index d740137b0c..83d3b2066b 100644
--- a/release/scripts/modules/bpy_extras/object_utils.py
+++ b/release/scripts/modules/bpy_extras/object_utils.py
@@ -121,7 +121,14 @@ def object_data_add(context, obdata, operator=None,
name=None):
"""
scene = context.scene
layer = context.render_layer
- scene_collection = context.scene_collection
+ layer_collection = context.layer_collection
+
+ if not layer_collection:
+ # when there is no collection linked to this render_layer create one
+ scene_collection = scene.master_collection.collections.new("")
+ layer_collection = layer.collections.link(scene_collection)
+ else:
+ scene_collection = layer_collection.collection
bpy.ops.object.select_all(action='DESELECT')
diff --git a/source/blender/blenkernel/intern/object.c
b/source/blender/blenkernel/intern/object.c
index ad0ce3fef9..250ad6794f 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -692,6 +692,14 @@ Object *BKE_object_add(
ob->data = BKE_object_obdata_add_from_type(bmain, type, name);
lc = BKE_layer_collection_active(sl);
+
+ if (lc == NULL) {
+ BLI_assert(BLI_listbase_count_ex(&sl->layer_collections, 1) ==
0);
+ /* when there is no collection linked to this SceneLayer,
create one */
+ SceneCollection *sc = BKE_collection_add(scene, NULL, NULL);
+ lc = BKE_collection_link(sl, sc);
+ }
+
BKE_collection_object_add(scene, lc->scene_collection, ob);
base = BKE_scene_layer_base_find(sl, ob);
diff --git a/tests/python/render_layer/CMakeLists.txt
b/tests/python/render_layer/CMakeLists.txt
index ff98d95cc0..7825326817 100644
--- a/tests/python/render_layer/CMakeLists.txt
+++ b/tests/python/render_layer/CMakeLists.txt
@@ -67,6 +67,9 @@ RENDER_LAYER_TEST(operator_context)
RENDER_LAYER_TEST(object_add_cylinder)
RENDER_LAYER_TEST(object_add_empty)
RENDER_LAYER_TEST(object_add_torus)
+RENDER_LAYER_TEST(object_add_no_collection_cylinder)
+RENDER_LAYER_TEST(object_add_no_collection_empty)
+RENDER_LAYER_TEST(object_add_no_collection_torus)
RENDER_LAYER_TEST(object_copy)
RENDER_LAYER_TEST(evaluation_visibility_a)
RENDER_LAYER_TEST(evaluation_visibility_b)
diff --git a/tests/python/render_layer/render_layer_common.py
b/tests/python/render_layer/render_layer_common.py
index e551518ac5..d24b80e0d0 100644
--- a/tests/python/render_layer/render_layer_common.py
+++ b/tests/python/render_layer/render_layer_common.py
@@ -309,3 +309,30 @@ class RenderLayerTesting(unittest.TestCase):
),
"Scene dump files differ")
+ def do_object_add_no_collection(self, add_mode):
+ """
+ Test for adding objects when no collection
+ exists in render layer
+ """
+ import bpy
+
+ # empty layer of collections
+
+ layer = bpy.context.render_layer
+ while layer.collections:
+ layer.collections.unlink(layer.collections[0])
+
+ # add new objects
+ if add_mode == 'EMPTY':
+ bpy.ops.object.add() # 'Empty'
+
+ elif add_mode == 'CYLINDER':
+ bpy.ops.mesh.primitive_cylinder_add() # 'Cylinder'
+
+ elif add_mode == 'TORUS':
+ bpy.ops.mesh.primitive_torus_add() # 'Torus'
+
+ self.assertEqual(len(layer.collections), 1, "New collection not
created")
+ collection = layer.collections[0]
+ self.assertEqual(len(collection.objects), 1, "New collection is empty")
+
diff --git
a/tests/python/render_layer/test_object_add_no_collection_cylinder.py
b/tests/python/render_layer/test_object_add_no_collection_cylinder.py
new file mode 100644
index 0000000000..72bd046d75
--- /dev/null
+++ b/tests/python/render_layer/test_object_add_no_collection_cylinder.py
@@ -0,0 +1,40 @@
+# ./blender.bin --background -noaudio --python
tests/python/render_layer/test_scene_copy.py -- --testdir="/data/lib/tests/"
+
+# ############################################################
+# Importing - Same For All Render Layer Tests
+# ############################################################
+
+import unittest
+
+import os, sys
+sys.path.append(os.path.dirname(__file__))
+
+from render_layer_common import *
+
+
+# ############################################################
+# Testing
+# ############################################################
+
+class UnitTesting(RenderLayerTesting):
+ def test_object_add_cylinder(self):
+ """
+ See if new objects are added to the correct collection
+ bpy.ops.mesh.primitive_cylinder_add()
+ """
+ import os
+ self.do_object_add_no_collection('CYLINDER')
+
+
+# ############################################################
+# Main - Same For All Render Layer Tests
+# ############################################################
+
+if __name__ == '__main__':
+ import sys
+
+ extra_arguments = sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv
else []
+ sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 2:] if "--" in
sys.argv else [])
+
+ UnitTesting._extra_arguments = extra_arguments
+ unittest.main()
diff --git a/tests/python/render_layer/test_object_add_no_collection_empty.py
b/tests/python/render_layer/test_object_add_no_collection_empty.py
new file mode 100644
index 0000000000..49600f2e73
--- /dev/null
+++ b/tests/python/render_layer/test_object_add_no_collection_empty.py
@@ -0,0 +1,39 @@
+# ./blender.bin --background -noaudio --python
tests/python/render_layer/test_scene_copy.py -- --testdir="/data/lib/tests/"
+
+# ############################################################
+# Importing - Same For All Render Layer Tests
+# ############################################################
+
+import unittest
+
+import os, sys
+sys.path.append(os.path.dirname(__file__))
+
+from render_layer_common import *
+
+
+# ############################################################
+# Testing
+# ############################################################
+
+class UnitTesting(RenderLayerTesting):
+ def test_syncing_object_add_empty(self):
+ """
+ See if new objects are added to the correct collection
+ bpy.ops.object.add()
+ """
+ self.do_object_add_no_collection('EMPTY')
+
+
+# ############################################################
+# Main - Same For All Render Layer Tests
+# ############################################################
+
+if __name__ == '__main__':
+ import sys
+
+ extra_arguments = sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv
else []
+ sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 2:] if "--" in
sys.argv else [])
+
+ UnitTesting._extra_arguments = extra_arguments
+ unittest.main()
diff --git a/tests/python/render_layer/test_object_add_no_collection_torus.py
b/tests/python/render_layer/test_object_add_no_collection_torus.py
new file mode 100644
index 0000000000..11358d680a
--- /dev/null
+++ b/tests/python/render_layer/test_object_add_no_collection_torus.py
@@ -0,0 +1,39 @@
+# ./blender.bin --background -noaudio --python
tests/python/render_layer/test_scene_copy.py -- --testdir="/data/lib/tests/"
+
+# ############################################################
+# Importing - Same For All Render Layer Tests
+# ############################################################
+
+import unittest
+
+import os, sys
+sys.path.append(os.path.dirname(__file__))
+
+from render_layer_common import *
+
+
+# ############################################################
+# Testing
+# ############################################################
+
+class UnitTesting(RenderLayerTesting):
+ def test_syncing_object_add_torus(self):
+ """
+ See if new objects are added to the correct collection
+ bpy.ops.mesh.primitive_torus_add()
+ """
+ self.do_object_add_no_collection('TORUS')
+
+
+# ############################################################
+# Main - Same For All Render Layer Tests
+# ############################################################
+
+if __name__ == '__main__':
+ import sys
+
+ extra_arguments = sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv
else []
+ sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 2:] if "--" in
sys.argv else [])
+
+ UnitTesting._extra_arguments = extra_arguments
+ unittest.main()
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