updated zarr compressors API

[kashif]

Describe your changes

Update the zarr compressors API and fixed some warnings for zarr v3.

Issue Link

was getting the error:

/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/group.py:2349: UserWarning: The `compressor` argument is deprecated. Use `compressors` instead.
  compressors = _parse_deprecated_compressor(compressor, compressors)
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/mnt/scratch/kashif/mllam-data-prep/mllam_data_prep/__main__.py", line 80, in <module>
    create_dataset_zarr(fp_config=args.config, fp_zarr=args.output)
  File "/mnt/scratch/kashif/mllam-data-prep/mllam_data_prep/create_dataset.py", line 277, in create_dataset_zarr
    ds.to_zarr(fp_zarr, consolidated=True, mode="w", encoding=encoding)
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/xarray/core/dataset.py", line 2622, in to_zarr
    return to_zarr(  # type: ignore[call-overload,misc]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/xarray/backends/api.py", line 2216, in to_zarr
    dump_to_store(dataset, zstore, writer, encoding=encoding)
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/xarray/backends/api.py", line 1952, in dump_to_store
    store.store(variables, attrs, check_encoding, writer, unlimited_dims=unlimited_dims)
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/xarray/backends/zarr.py", line 1022, in store
    self.set_variables(
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/xarray/backends/zarr.py", line 1194, in set_variables
    zarr_array = self._create_new_array(
                 ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/xarray/backends/zarr.py", line 1089, in _create_new_array
    zarr_array = self.zarr_group.create(
                 ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/group.py", line 2234, in create
    return self.create_array(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/_compat.py", line 43, in inner_f
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/group.py", line 2351, in create_array
    self._sync(
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/sync.py", line 187, in _sync
    return sync(
           ^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/sync.py", line 142, in sync
    raise return_result
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/sync.py", line 98, in _runner
    return await coro
           ^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/group.py", line 1119, in create_array
    return await create_array(
           ^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/array.py", line 3919, in create_array
    array_array, array_bytes, bytes_bytes = _parse_chunk_encoding_v3(
                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/array.py", line 4120, in _parse_chunk_encoding_v3
    out_bytes_bytes = tuple(_parse_bytes_bytes_codec(c) for c in maybe_bytes_bytes)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/core/array.py", line 4120, in <genexpr>
    out_bytes_bytes = tuple(_parse_bytes_bytes_codec(c) for c in maybe_bytes_bytes)
                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/kashif/.venv/pytorch/lib/python3.12/site-packages/zarr/registry.py", line 184, in _parse_bytes_bytes_codec
    raise TypeError(f"Expected a BytesBytesCodec. Got {type(data)} instead.")
TypeError: Expected a BytesBytesCodec. Got <class 'numcodecs.blosc.Blosc'> instead.

Type of change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📖 Documentation (Addition or improvements to documentation)

Checklist before requesting a review

• My branch is up-to-date with the target branch - if not update your fork with the changes from the target branch (use pull with --rebase option if possible).
• I have performed a self-review of my code
• For any new/modified functions/classes I have added docstrings that clearly describe its purpose, expected inputs and returned values
• I have placed in-line comments to clarify the intent of any hard-to-understand passages of my code
• I have updated the documentation to cover introduced code changes
• I have added tests that prove my fix is effective or that my feature works
• I have given the PR a name that clearly describes the change, written in imperative form (context).
• I have requested a reviewer and an assignee (assignee is responsible for merging)

Checklist for reviewers

Each PR comes with its own improvements and flaws. The reviewer should check the following:

• the code is readable
• the code is well tested
• the code is documented (including return types and parameters)
• the code is easy to maintain

Author checklist after completed review

• I have added a line to the CHANGELOG describing this change, in a section
  reflecting type of change (add section where missing):
  • added: when you have added new functionality
  • changed: when default behaviour of the code has been changed
  • fixes: when your contribution fixes a bug

Checklist for assignee

• PR is up to date with the base branch
• the tests pass
• author has added an entry to the changelog (and designated the change as added, changed or fixed)
• Once the PR is ready to be merged, squash commits and merge the PR.