transitio.MobilityDatabase.download

MobilityDatabase.download(dataset, directory=None)

Download a dataset zip with checksum verification and caching.

A cached copy whose SHA-256 matches the catalogued hash is reused without a network request. A <dataset id>.provenance.json sidecar records feed and dataset IDs, source URL, checksum and retrieval timestamp for reproducibility.

Parameters:

• dataset (Dataset)

• directory (str or pathlib.Path, optional) – Target directory; defaults to the transitio cache.

Returns:

Path of the downloaded zip.

Return type:

pathlib.Path