Upload file handling

app.py

@@ -21,6 +21,30 @@ def load_data(query_params, model_3d, image_slider):
         model_url = "models/beeuty_545jlbh1_300dpi.glb"
     return model_url, slider_images
 
+def process_upload(files):
+    """
+    Process uploaded files and assign them to the
+    appropriate component based on file extension.
+    Files with extensions in [".glb", ".gltf", ".obj", ".ply"] are
+    sent to the Model3D component.
+    Files with extensions in [".png", ".jpg", ".jpeg"] are
+    sent to the ImageSlider component.
+    """
+    model_file = None
+    image_files = []
+    # ensure files is a list
+    if not isinstance(files, list):
+        files = [files]
+    for f in files:
+        # f can be a file path (string) or an object with attribute `name`
+        file_name = f.name if hasattr(f, "name") else f
+        ext = os.path.splitext(file_name)[1].lower()
+        if ext in [".glb", ".gltf", ".obj", ".ply"]:
+            model_file = file_name
+        elif ext in [".png", ".jpg", ".jpeg"]:
+            image_files.append(file_name)
+    return model_file, image_files
+
 gr.set_static_paths(paths=["images/", "models/", "assets/"])
 with gr.Blocks(css_paths="style_20250314.css", title="3D viewer", theme='Surn/Beeuty',delete_cache=(21600,86400)) as viewer3d:
     gr.Markdown("# 3D Model Viewer")
@@ -57,6 +81,13 @@ with gr.Blocks(css_paths="style_20250314.css", title="3D viewer", theme='Surn/Be
         }"""
     )
 
+    # Process uploaded files to update the Model3D or ImageSlider component.
+    upload_btn.upload(
+        process_upload, 
+        inputs=upload_btn, 
+        outputs=[model_3d, image_slider]
+    )
+
 if __name__ == "__main__":
     viewer3d.launch(
         allowed_paths=["assets", "assets/", "./assets", "images/", "./images", 'e:/TMP', 'models/'],