caterva2.Dataset#
- class caterva2.Dataset(name, root, host)#
A dataset is a Blosc2 container in a file.
- Parameters:
Examples
>>> root = cat2.Root('foo') >>> ds = root['ds-1d.b2nd'] >>> ds.name 'ds-1d.b2nd' >>> ds[1:10] array([1, 2, 3, 4, 5, 6, 7, 8, 9])
- Attributes:
- vlmeta
Access variable-length metalayers (i.e. user attributes) for a file.
>>> root = cat2.Root('foo') >>> file = root['ds-sc-attr.b2nd'] >>> file.vlmeta {'a': 1, 'b': 'foo', 'c': 123.456}
- dict
The mapping of metalayer names to their respective values.
Methods
download
()Download a file.
fetch
([slice_, prefer_schunk])Fetch a slice of a dataset.
Get the download URL for a file.
- __init__(name, root, host)#
Methods
__init__
(name, root, host)download
()Download a file.
fetch
([slice_, prefer_schunk])Fetch a slice of a dataset.
Get the download URL for a file.
Attributes
Access variable-length metalayers (i.e. user attributes) for a file.