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Minor fixes for zarr.codecs.numcodecs #3459

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Merged
merged 3 commits into from
Sep 15, 2025
Merged

Minor fixes for zarr.codecs.numcodecs #3459

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147b9e0
fix gzip typo
K-Meech Sep 15, 2025
6e605eb
fix failing example at top of zarr-codecs-numcodecs
K-Meech Sep 15, 2025
9646e95
fix failing tests
K-Meech Sep 15, 2025
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2 changes: 1 addition & 1 deletion docs/user-guide/config.rst
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Expand Up @@ -62,7 +62,7 @@ This is the current default configuration::
'numcodecs.delta': 'zarr.codecs.numcodecs.Delta',
'numcodecs.fixedscaleoffset': 'zarr.codecs.numcodecs.FixedScaleOffset',
'numcodecs.fletcher32': 'zarr.codecs.numcodecs.Fletcher32',
'numcodecs.gZip': 'zarr.codecs.numcodecs.GZip',
'numcodecs.gzip': 'zarr.codecs.numcodecs.GZip',
'numcodecs.jenkins_lookup3': 'zarr.codecs.numcodecs.JenkinsLookup3',
'numcodecs.lz4': 'zarr.codecs.numcodecs.LZ4',
'numcodecs.lzma': 'zarr.codecs.numcodecs.LZMA',
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7 changes: 4 additions & 3 deletions src/zarr/codecs/numcodecs/_codecs.py
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Expand Up @@ -3,6 +3,7 @@

These codecs were previously defined in :py:mod:`numcodecs`, and have now been moved to `zarr`.

>>> import numpy as np
>>> import zarr
>>> import zarr.codecs.numcodecs as numcodecs
>>>
Expand All @@ -11,9 +12,9 @@
... shape=(1024, 1024),
... chunks=(64, 64),
... dtype="uint32",
... filters=[numcodecs.zarr3.Delta()],
... compressors=[numcodecs.zarr3.BZ2(level=5)])
>>> array[:] = np.arange(*array.shape).astype(array.dtype)
... filters=[numcodecs.Delta(dtype="uint32")],
... compressors=[numcodecs.BZ2(level=5)])
>>> array[:] = np.arange(np.prod(array.shape), dtype=array.dtype).reshape(*array.shape)

.. note::

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2 changes: 1 addition & 1 deletion src/zarr/core/config.py
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Expand Up @@ -138,7 +138,7 @@ def enable_gpu(self) -> ConfigSet:
"numcodecs.delta": "zarr.codecs.numcodecs.Delta",
"numcodecs.fixedscaleoffset": "zarr.codecs.numcodecs.FixedScaleOffset",
"numcodecs.fletcher32": "zarr.codecs.numcodecs.Fletcher32",
"numcodecs.gZip": "zarr.codecs.numcodecs.GZip",
"numcodecs.gzip": "zarr.codecs.numcodecs.GZip",
"numcodecs.jenkins_lookup3": "zarr.codecs.numcodecs.JenkinsLookup3",
"numcodecs.pcodec": "zarr.codecs.numcodecs.PCodec",
"numcodecs.packbits": "zarr.codecs.numcodecs.PackBits",
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2 changes: 1 addition & 1 deletion tests/test_codecs/test_numcodecs.py
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Expand Up @@ -35,7 +35,7 @@ def codec_conf() -> Iterator[Any]:
"numcodecs.delta": "zarr.codecs.numcodecs.Delta",
"numcodecs.fixedscaleoffset": "zarr.codecs.numcodecs.FixedScaleOffset",
"numcodecs.fletcher32": "zarr.codecs.numcodecs.Fletcher32",
"numcodecs.gZip": "zarr.codecs.numcodecs.GZip",
"numcodecs.gzip": "zarr.codecs.numcodecs.GZip",
"numcodecs.jenkinslookup3": "zarr.codecs.numcodecs.JenkinsLookup3",
"numcodecs.pcodec": "zarr.codecs.numcodecs.PCodec",
"numcodecs.packbits": "zarr.codecs.numcodecs.PackBits",
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2 changes: 1 addition & 1 deletion tests/test_config.py
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Expand Up @@ -86,7 +86,7 @@ def test_config_defaults_set() -> None:
"numcodecs.delta": "zarr.codecs.numcodecs.Delta",
"numcodecs.fixedscaleoffset": "zarr.codecs.numcodecs.FixedScaleOffset",
"numcodecs.fletcher32": "zarr.codecs.numcodecs.Fletcher32",
"numcodecs.gZip": "zarr.codecs.numcodecs.GZip",
"numcodecs.gzip": "zarr.codecs.numcodecs.GZip",
"numcodecs.jenkins_lookup3": "zarr.codecs.numcodecs.JenkinsLookup3",
"numcodecs.pcodec": "zarr.codecs.numcodecs.PCodec",
"numcodecs.packbits": "zarr.codecs.numcodecs.PackBits",
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