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trellis/representations/mesh/flexicubes/examples/download_data.py

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+# Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES.
+# All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import requests
+from zipfile import ZipFile
+from tqdm import tqdm
+import os
+
+def download_file(url, output_path):
+    response = requests.get(url, stream=True)
+    response.raise_for_status()
+    total_size_in_bytes = int(response.headers.get('content-length', 0))
+    block_size = 1024 #1 Kibibyte
+    progress_bar = tqdm(total=total_size_in_bytes, unit='iB', unit_scale=True)
+    
+    with open(output_path, 'wb') as file:
+        for data in response.iter_content(block_size):
+            progress_bar.update(len(data))
+            file.write(data)
+    progress_bar.close()
+    if total_size_in_bytes != 0 and progress_bar.n != total_size_in_bytes:
+        raise Exception("ERROR, something went wrong")
+
+
+url = "https://vcg.isti.cnr.it/Publications/2014/MPZ14/inputmodels.zip"
+zip_file_path = './data/inputmodels.zip'
+
+os.makedirs('./data', exist_ok=True)
+
+download_file(url, zip_file_path)
+
+with ZipFile(zip_file_path, 'r') as zip_ref:
+    zip_ref.extractall('./data')
+
+os.remove(zip_file_path)
+
+print("Download and extraction complete.")