Blender 5.x Support

io_mesh_3mf/export_3mf.py

@@ -68,11 +68,11 @@ class Export3MF(bpy.types.Operator, bpy_extras.io_utils.ExportHelper):
         min=0,
         max=12)
 
-    def __init__(self):
+    def __init__(self, *args, **kwargs):
         """
         Initialize some fields with defaults before starting.
         """
-        super().__init__()
+        super().__init__(*args, **kwargs)
         self.next_resource_id = 1  # Which resource ID to generate for the next object.
         self.num_written = 0  # How many objects we've written to the file.
         self.material_resource_id = -1  # We write one material. This is the resource ID of that material.

io_mesh_3mf/import_3mf.py

@@ -60,11 +60,11 @@ class Import3MF(bpy.types.Operator, bpy_extras.io_utils.ImportHelper):
     directory: bpy.props.StringProperty(subtype='DIR_PATH')
     global_scale: bpy.props.FloatProperty(name="Scale", default=1.0, soft_min=0.001, soft_max=1000.0, min=1e-6, max=1e6)
 
-    def __init__(self):
+    def __init__(self, *args, **kwargs):
         """
         Initializes the importer with empty fields.
         """
-        super().__init__()
+        super().__init__(*args, **kwargs)
         self.resource_objects = {}  # Dictionary mapping resource IDs to ResourceObjects.
 
         # Dictionary mapping resource IDs to dictionaries mapping indexes to ResourceMaterial objects.

io_mesh_3mf/metadata.py

@@ -148,7 +148,7 @@ def store(self, blender_object):
             name = metadata_entry.name
             value = metadata_entry.value
             if name == "Title":  # Has a built-in ID property for objects as well as scenes.
-                blender_object.name = value if value is not None else ""
+                blender_object.name = value if value else ""
             elif name == "3mf:partnumber":
                 # Special case: This is always a string and doesn't need the preserve attribute. We can simplify this to
                 # make it easier to edit.