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| import os | |
| from urllib.parse import urlparse | |
| from typing import Optional | |
| def load_file_from_url( | |
| url: str, | |
| *, | |
| model_dir: str, | |
| progress: bool = True, | |
| file_name: Optional[str] = None, | |
| ) -> str: | |
| """Download a file from `url` into `model_dir`, using the file present if possible. | |
| Returns the path to the downloaded file. | |
| """ | |
| os.makedirs(model_dir, exist_ok=True) | |
| if not file_name: | |
| parts = urlparse(url) | |
| file_name = os.path.basename(parts.path) | |
| cached_file = os.path.abspath(os.path.join(model_dir, file_name)) | |
| if not os.path.exists(cached_file): | |
| print(f'Downloading: "{url}" to {cached_file}\n') | |
| from torch.hub import download_url_to_file | |
| download_url_to_file(url, cached_file, progress=progress) | |
| return cached_file | |