zarr-python

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We have discussed an internal chunk grid API to support Zarr v3's extensible chunk grid. This discussion (https://github.com/zarr-developers/zarr-python/discussions/1635) provides additional context.

jhamman

[v3] Support numcodecs via entrypoints

2

This ticket tracks ensuring that Numcodecs can be used in Zarr-Python 3. The upstream issue is here: https://github.com/zarr-developers/numcodecs/issues/502.

jhamman

The v3 branch currently supports only a subset of the indexing features available in Zarr-Python 2. This issue tracks bringing the current branch up to feature parity.

jhamman

[v3] `LocalStore__eq__`

1

Right now, `LocalStore('tmp') == LocalStore('tmp')` is `False`. I think this should evaluate to `True`; fixing it requires implementing `__eq__` on [LocalStore](https://github.com/zarr-developers/zarr-python/blob/76c345071db950b2362f7588ad20da4a1af03b85/src/zarr/v3/store/local.py#L48). This would be good issue for anyone interested in...

d-v-b

### Zarr version 2.17.1 ### Numcodecs version 0.12.1 ### Python Version 3.11 ### Operating System linux-ubuntu ### Installation pip ### Description Hi Guys, I need to convert my h5 file...

Nazim0001

### Zarr version v2.17.1 ### Numcodecs version N/A ### Python Version 3.10 ### Operating System GNU/Linux ### Installation From source (build time error) ### Description The test suite encounters failures...

apteryks

Unable to append to a very large zarr store

4

### Zarr version v2.16.1 ### Numcodecs version v0.12.0 ### Python Version 3.11.6 ### Operating System Linux ### Installation using conda ### Description I have a very large (~1 Pb) zarr...

timothyas

### Zarr version v2.17.1 ### Numcodecs version v0.12.1 ### Python Version 3.12.2 ### Operating System Linux ### Installation Using micromamba (conda) ### Description Together with @lmtroper, I am using a...

cwognum

[v3] remove old v2 code entirely

14

This is a more broad alternative to #1791 -- basically we remove all the old v2 code in favor of the v3 efforts. Happy to hear thoughts on this.

d-v-b

Release notes for 2.18.0

4

This preps the release notes for the [2.18 release](https://github.com/zarr-developers/zarr-python/milestone/18). TODO: * [x] Changes documented in docs/release.rst * [x] GitHub Actions have all passed * [x] Test coverage is 100% (Codecov...

jhamman