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Read only Zarr storage class using a Tar file

Project description


sferriol-zarr is a module with new zarr storage class TarStore (only read-only).


pip install git+


import zarr
import sferriol.zarr

# original zarr storage

dir_store =  zarr.DirectoryStore('data/example.zarr')
z = zarr.create(store=dir_store, overwrite=True, shape=1000000, dtype='i4')

# convert it to tar file ('data/example.zarr.tar')

tar_fpath = sferriol.zarr.create_tar('data/example.zarr')

# now use TarStore

tar_store =  sferriol.zarr.TarStore('data/example.zarr.tar')
tz =, mode='r')
tar_store.close()  # don't forget to call this when you're done

# or in a with statement

with sferriol.zarr.TarStore('data/example.zarr.tar') as tar_store:
    tz =, mode='r')

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