Update setup_blender.sh

setup_blender.sh

@@ -42,7 +42,7 @@ echo "Blender Python Executable: ${BLENDER_PY_EXEC}"
 echo "Using CUDA_HOME=${CUDA_HOME}"
 echo "Targeting PyTorch for CUDA: ${TARGET_CUDA_VERSION_SHORT}"
 echo "TORCH_CUDA_ARCH_LIST: ${TORCH_CUDA_ARCH_LIST}"
-echo "NOTE: flash-attn installation is now SKIPPED."
+echo "NOTE: flash-attn installation is SKIPPED."
 
 # --- Download and Extract Blender ---
 mkdir -p "${BLENDER_INSTALL_BASE}"
@@ -126,15 +126,18 @@ else
 fi
 
 # (Optional) VRM Addon installation
-VRM_ADDON_REL_PATH="blender/add-on-vrm-v2.20.77_modified.zip"
+VRM_ADDON_REL_PATH="blender/add-on-vrm-v2.20.77_modified.zip" # Relative to UniRig repo root
 ABSOLUTE_ADDON_PATH="${UNIRIG_REPO_CLONE_DIR}/${VRM_ADDON_REL_PATH}"
 if [ -f "${ABSOLUTE_ADDON_PATH}" ]; then
-    echo "Installing optional VRM addon for Blender..."
+    echo "Attempting to install optional VRM addon for Blender..."
+    # Try to install and enable the addon. If it fails, print a warning and continue.
+    # The || true ensures that if the python command fails, the script doesn't exit due to set -e
     (cd "${UNIRIG_REPO_CLONE_DIR}" && \
-     "${BLENDER_PY_EXEC}" -c "import bpy, os; bpy.ops.preferences.addon_install(overwrite=True, filepath=os.path.abspath('${VRM_ADDON_REL_PATH}')); bpy.ops.preferences.addon_enable(module='io_scene_vrm'); print('VRM Addon installed and enabled.')")
-    echo "VRM addon installation attempted."
+     "${BLENDER_PY_EXEC}" -c "import bpy, os; print(f'Attempting to install addon from: {os.path.abspath(\"${VRM_ADDON_REL_PATH}\")}'); bpy.ops.preferences.addon_install(overwrite=True, filepath=os.path.abspath('${VRM_ADDON_REL_PATH}')); print('Addon installation script executed. Attempting to enable...'); bpy.ops.preferences.addon_enable(module='io_scene_vrm'); print('VRM Addon enabled successfully.')") \
+    || echo "WARNING: VRM addon installation or enabling failed. This is an optional addon. Continuing setup..."
+    echo "VRM addon installation/enabling attempt finished."
 else
-    echo "VRM addon zip not found at ${ABSOLUTE_ADDON_PATH}, skipping."
+    echo "VRM addon zip not found at ${ABSOLUTE_ADDON_PATH}, skipping addon installation."
 fi
 
 # --- Cleanup ---