virtualizarr.manifests.ManifestArray

class virtualizarr.manifests.ManifestArray(zarray: ZArray | dict, chunkmanifest: dict | ChunkManifest)

Virtualized array representation of the chunk data in a single Zarr Array.

Supports concatenation / stacking, but only if the two arrays to be concatenated have the same codecs.

Cannot be directly altered.

Implements subset of the array API standard such that it can be wrapped by xarray. Doesn’t store the zarr array name, zattrs or ARRAY_DIMENSIONS, as instead those can be stored on a wrapping xarray object.

__init__(zarray: ZArray | dict, chunkmanifest: dict | ChunkManifest) → None

Create a ManifestArray directly from the .zarray information of a zarr array and the manifest of chunks.

Parameters:

• zarray (dict or ZArray)

• chunkmanifest (dict or ChunkManifest)

Methods

__init__(zarray, chunkmanifest)	Create a ManifestArray directly from the .zarray information of a zarr array and the manifest of chunks.
astype(dtype, /, *[, copy])	Cannot change the dtype, but needed because xarray will call this even when it's a no-op.
rename_paths(new)	Rename paths to chunks in this array's manifest.

Attributes

chunks
dtype
manifest
nbytes_virtual	Size required to hold these references in memory in bytes.
ndim
shape
size
zarray