New node to generate IFC guid

src/ifcsverchok/__init__.py

@@ -33,6 +33,7 @@ def nodes_index():
         ("ifc.by_query", "SvIfcByQuery"),
         ("ifc.add", "SvIfcAdd"),
         ("ifc.remove", "SvIfcRemove"),
+        ("ifc.generate_guid", "SvIfcGenerateGuid"),
         ("ifc.select_blender_objects", "SvIfcSelectBlenderObjects"),
     ])]
 

src/ifcsverchok/nodes/ifc/generate_guid.py

@@ -0,0 +1,24 @@
+import bpy
+import ifcopenshell
+import ifcsverchok.helper
+from bpy.props import StringProperty
+from sverchok.node_tree import SverchCustomTreeNode
+from sverchok.data_structure import updateNode
+
+
+class SvIfcGenerateGuid(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
+    bl_idname = 'SvIfcGenerateGuid'
+    bl_label = 'IFC Generate Guid'
+
+    def sv_init(self, context):
+        self.outputs.new('SvStringsSocket', 'guid')
+
+    def process(self):
+        self.outputs['guid'].sv_set([[ifcopenshell.guid.new()]])
+
+
+def register():
+    bpy.utils.register_class(SvIfcGenerateGuid)
+
+def unregister():
+    bpy.utils.unregister_class(SvIfcGenerateGuid)