[CG Pipeline] Refactor

cg/blender/utils/collection_tools.py

@@ -54,4 +54,26 @@ def copy_collections_recursive(collection, suffix='copy', linked=False):
         parent = double_lut[obj.parent]
         if parent:
             double.parent = parent
+    return '_'.join((collection.name, suffix))
+
+
+def unlink_from_collections(obj):
+    ''' Unlinking object from all collections. '''
+    for col in bpy.data.collections:
+        if obj.name in col.objects:
+            col.objects.unlink(obj)
+    return obj
+
+
+def remove_collections_with_objects(collection=None):
+    '''Removes all collection (or given) with objects from scene '''
+    if collection:
+        for obj in collection.objects:
+            bpy.data.objects.remove(obj, do_unlink=True)
+        bpy.data.collections.remove(collection)
+    else:
+        for col in bpy.data.collections:
+            for obj in col.objects:
+                bpy.data.objects.remove(obj, do_unlink=True)
+            bpy.data.collections.remove(col)
     return True