Fix T77022: node wranger error with texture files on different drivesv2.83.20v2.83.19blender-v2.83-release

Principled texture setup with relative path option would lead to this,
silently use an absolute path instead like other Blender operators.

Differential Revision: https://developer.blender.org/D12221

1 files changed, 5 insertions, 5 deletions

diff --git a/node_wrangler.py b/node_wrangler.py
index e26da88b..c1156581 100644
--- a/node_wrangler.py
+++ b/node_wrangler.py
@@ -2716,7 +2716,7 @@ class NWAddPrincipledSetup(Operator, NWBase, ImportHelper):
 
     relative_path: BoolProperty(
         name='Relative Path',
-        description='Select the file relative to the blend file',
+        description='Set the file path relative to the blend file, when possible',
         default=True
     )
 
@@ -2816,10 +2816,10 @@ class NWAddPrincipledSetup(Operator, NWBase, ImportHelper):
         import_path = self.directory
         if self.relative_path:
             if bpy.data.filepath:
-                import_path = bpy.path.relpath(self.directory)
-            else:
-                self.report({'WARNING'}, 'Relative paths cannot be used with unsaved scenes!')
-                print('Relative paths cannot be used with unsaved scenes!')
+                try:
+                    import_path = bpy.path.relpath(self.directory)
+                except ValueError:
+                    pass
 
         # Add found images
         print('\nMatched Textures:')