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janickm
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Support writing and reading component stores in zarr format v3 with zarr-python 3 (zarr format v2 remains the default, readable with all zarr-python and ncore versions): - SequenceComponentGroupsWriter(zarr_format=...) / from_reader(), and stores.Store.create_root_group(zarr_format=...), validated against the formats supported by the installed zarr-python version (nodes.check_zarr_format, nodes.SUPPORTED_ZARR_FORMATS) - data converters: --zarr-format CLI option (BaseDataConverterConfig. zarr_format) - the consolidated metadata of zarr format v3 hierarchies is stored as CBOR + zlib encoded root zarr.json with the consolidated metadata of all members (zarr.json.cbor.zlib, decodes several times faster than CBOR + LZMA), next to the node metadata records written by zarr-python (which opens such hierarchies as unconsolidated) - binary blobs are uint8 arrays (fixed-length bytes are not part of the zarr format v3 specification), compression uses the blosc codec of zarr format v3 Component, store and converter tests run for both zarr formats. The time-trimmed zarr format v2 / v3 serializations of the test sequence (test-data-v4-trimmed 0.2) are compared by formats_test. BREAKING CHANGE: BaseDataConverterConfig requires zarr_format.
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Support writing and reading component stores in zarr format v3 with zarr-python 3 (zarr format v2 remains the default, readable with all zarr-python and ncore versions):
Component, store and converter tests run for both zarr formats. The time-trimmed zarr format v2 / v3 serializations of the test sequence (test-data-v4-trimmed 0.2) are compared by formats_test.
BREAKING CHANGE: BaseDataConverterConfig requires zarr_format.