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Description
Minimal, reproducible code sample, a copy-pastable example if possible
data = np.arange(1000).reshape(10, 10, 10)
name = 'raw'
store = FSStore('/tmp/test.zr', key_separator='/', auto_mkdir=True)
f = open_group(store, mode='w')
f.create_dataset(name, data=data, chunks=(5, 5, 5),
compressor=None)
h = open_group(store, mode='r')
# check below fails because h[name][:] will be all zeros
np.testing.assert_array_equal(h[name][:], data) Problem description
If an nested Zarr array is read in using an FSStore object initialized with key_separator='/', all array entries are reported as zeros.
This seems to be because the _chunk_key attribute of zarr.core.Array assumes that '.' is the separator
Version and installation information
'2.7.1.dev2' (current master branch)
I will make a PR addressing this now
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