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Accept zipped zarr stores as an input for spatialdata.read_zarr(). Must also have ome-zarr-py ZarrLocation changes.#1141

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hubmapconsortium:pennycuda/zip-zarr-io
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Accept zipped zarr stores as an input for spatialdata.read_zarr(). Must also have ome-zarr-py ZarrLocation changes.#1141
pennycuda wants to merge 3 commits into
scverse:mainfrom
hubmapconsortium:pennycuda/zip-zarr-io

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@pennycuda pennycuda commented Jun 3, 2026

This branch introduces functionality to allow zipped zarr stores as an input for the read_zarr() function. It will only work with changes to ome-zarr-py's ZarrLocation class made in the following PR:
ome/ome-zarr-py#587

This was motivated by HuBMAP Consortium's desire to reduce the number of files in our filesystem while maintaining our requirement that our output files be easily readable by our users. HuBMAP has already built other infrastructure to support zipped zarr stores for AnnData objects as well.

Please let me know what changes I need to make to get this PR merged; I am happy to work with you all!

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