From 79af1d6fa75e1eb9e2d7a322e1eb52dc46842768 Mon Sep 17 00:00:00 2001
From: Fabien Castan <fabcastan@gmail.com>
Date: Sat, 15 Jun 2024 17:14:09 +0200
Subject: [PATCH] [ui] try/except when accessing node parameters

Parameters may not exists on old project files
---
 meshroom/ui/reconstruction.py | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/meshroom/ui/reconstruction.py b/meshroom/ui/reconstruction.py
index 740d01ac..a78c1206 100755
--- a/meshroom/ui/reconstruction.py
+++ b/meshroom/ui/reconstruction.py
@@ -246,15 +246,20 @@ class ViewpointWrapper(QObject):
     def _updateUndistortedImageParams(self):
         """ Update internal members depending on PrepareDenseScene or ExportAnimatedCamera. """
         # undistorted image path
-        if self._activeNode_ExportAnimatedCamera.node:
-            self._undistortedImagePath = FilepathHelper.resolve(FilepathHelper, self._activeNode_ExportAnimatedCamera.node.outputImages.value, self._viewpoint)
-            self._principalPointCorrected = self._activeNode_ExportAnimatedCamera.node.correctPrincipalPoint.value
-        elif self._activeNode_PrepareDenseScene.node:
-            self._undistortedImagePath = FilepathHelper.resolve(FilepathHelper, self._activeNode_PrepareDenseScene.node.undistorted.value, self._viewpoint)
-            self._principalPointCorrected = False
-        else:
+        try:
+            if self._activeNode_ExportAnimatedCamera.node:
+                self._undistortedImagePath = FilepathHelper.resolve(FilepathHelper, self._activeNode_ExportAnimatedCamera.node.outputImages.value, self._viewpoint)
+                self._principalPointCorrected = self._activeNode_ExportAnimatedCamera.node.correctPrincipalPoint.value
+            elif self._activeNode_PrepareDenseScene.node:
+                self._undistortedImagePath = FilepathHelper.resolve(FilepathHelper, self._activeNode_PrepareDenseScene.node.undistorted.value, self._viewpoint)
+                self._principalPointCorrected = False
+            else:
+                self._undistortedImagePath = ''
+                self._principalPointCorrected = False
+        except Exception as e:
             self._undistortedImagePath = ''
             self._principalPointCorrected = False
+            logging.info("Failed to retrieve undistorted images path.")
         self.undistortedImageParamsChanged.emit()
         self.principalPointCorrectedChanged.emit()