Datasets

polars_ts.datasets

Dataset loading with SHA-256 integrity verification.

_download(url, dest)

Download a file from url to dest.

load_dataset(name, *, cache_dir=None)

Load a known dataset with SHA-256 integrity verification.

Parameters

name Dataset key (e.g. "m4-hourly"). See REGISTRY for available names. cache_dir Directory for caching downloads. Defaults to ~/.cache/polars_ts.

Raises

KeyError If name is not in the registry. ValueError If the downloaded file's hash does not match the expected hash.