chainer.dataset.cached_download¶
-
chainer.dataset.
cached_download
(url)[source]¶ Downloads a file and caches it.
It downloads a file from the URL if there is no corresponding cache. After the download, this function stores a cache to the directory under the dataset root (see
set_dataset_root()
). If there is already a cache for the given URL, it just returns the path to the cache without downloading the same file.Parameters: url (str) – URL to download from. Returns: Path to the downloaded file. Return type: str