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A Python package providing buffer compression and transformation codecs for use in data storage and communication applications.

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Hi, I recently came across an issue when installing numcodecs as a dependency of kerchunk on an M1 Mac (via `pip`). I was aiming to get the latest version (0.10.0)...

This is missing, but reasonably expectable, functionality. If you have a zarr array with a compound dtype (i.e., records) and any of the fields are object type (i.e., strings), then...

The coverage badge shows the status `Unknown`. I want to work on this, If this is valid. Thanks 😃 ![image](https://user-images.githubusercontent.com/81817735/176211194-6cbd2acb-b84f-4126-a8a3-b9fdac68125e.png)

#### Minimal, reproducible code sample, a copy-pastable example if possible fails to compile! #### Problem description The bundled zstd fails to compile with a `--pydebug` build of cpython ``` (bleeding)...

Quoting @jakirkham from https://github.com/dask/community/issues/76 > When doing active development, it can be quite useful to have nightly packages of things that are being developed in tandem.

Testing merge conflicts from https://github.com/zarr-developers/numcodecs/pull/289 .

Add linux aarch64 wheel build support. Related to https://github.com/zarr-developers/numcodecs/issues/288 @joshmoore Could you please review this PR?

Following on from https://github.com/zarr-developers/numcodecs/pull/259#issuecomment-759702459, I dropped the blosc module and am slowly making changes in the background to use native blosc wheels, turning this into a pure Python module. If...

This PR improves robustness against cpuinfo failures on not supported architectures. TODO: * [ ] Unit tests and/or doctests in docstrings * [x] ``tox -e py38`` passes locally * [...

[Description of PR] This PR enables build pypy Wheel. But pypy wheel fail test and I do not know what should be fixed. @jakirkham TODO: * [ ] Unit tests...