initial

app/download_models.py

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+import argparse
+import pathlib
+import urllib.request
+
+FILES = {
+    "whisper_encoder_base_20s.onnx": "https://ftrg.zbox.filez.com/v2/delivery/data/95f00b0fc900458ba134f8b180b3f7a1/examples/whisper/whisper_encoder_base_20s.onnx",
+    "whisper_decoder_base_20s.onnx": "https://ftrg.zbox.filez.com/v2/delivery/data/95f00b0fc900458ba134f8b180b3f7a1/examples/whisper/whisper_decoder_base_20s.onnx",
+    "mel_80_filters.txt": "https://raw.githubusercontent.com/airockchip/rknn_model_zoo/master/examples/whisper/model/mel_80_filters.txt",
+    "vocab_en.txt": "https://raw.githubusercontent.com/airockchip/rknn_model_zoo/master/examples/whisper/model/vocab_en.txt",
+    "vocab_zh.txt": "https://raw.githubusercontent.com/airockchip/rknn_model_zoo/master/examples/whisper/model/vocab_zh.txt",
+}
+
+
+def download_file(url: str, dst: pathlib.Path) -> None:
+    with urllib.request.urlopen(url, timeout=120) as response:
+        data = response.read()
+    dst.write_bytes(data)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Download Whisper model assets")
+    parser.add_argument("--target", default="/models", help="Destination directory")
+    parser.add_argument(
+        "--force",
+        action="store_true",
+        help="Re-download files even if they already exist",
+    )
+    args = parser.parse_args()
+
+    target = pathlib.Path(args.target)
+    target.mkdir(parents=True, exist_ok=True)
+
+    for name, url in FILES.items():
+        path = target / name
+        if path.exists() and not args.force:
+            print(f"skip {name} (exists)")
+            continue
+        print(f"download {name}")
+        download_file(url, path)
+
+    print(f"done: {target}")
+
+
+if __name__ == "__main__":
+    main()