zarr-python

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Storage option that supports concurrent writes to a single local file?

3

I'm running into an issue where there doesn't seem to be a storage option in Zarr 3 that would let me write to different chunks in the same array concurrently...

5xx7xx

Feature: support uvloop as a faster alternative to Python's default IO loop

3

Adds support for uvloop as a faster alternative to Python's default IO loop. closes #3451 TODO: * [x] Add unit tests and/or doctests in docstrings * [x] Add docstrings and...

jhamman

Proposal: Make Obstore backend the default for s3/gcs/azure/https

1

The Obstore backend in Zarr for about 6 months. Its working great and is significantly more performant that the fsspec alternatives. See [maxrjones/zarr-obstore-performance](https://github.com/maxrjones/zarr-obstore-performance) for performance benchmarks. With this in mind,...

jhamman

FsspecStore.from_url does not handle a swift:// URL

11

### Zarr version 3.0.9 ### Numcodecs version 0.16.1 ### Python Version 3.12.9 ### Operating System Linux ### Installation using pip in virtual environment ### Description I'm trying to write zarr...

fjansson

Backport PR #3300 on branch 3.1.x (Imported name is not used anywhere in the module)

1

Backport PR #3300: Imported name is not used anywhere in the module

meeseeksmachine

example that reveals inefficient sharded writes

3

Check out how many times we call `get` in this example (writing a single shard with 10 chunks): ```python # /// script # requires-python = ">=3.11" # dependencies = [...

d-v-b

DOC: extra code blocks in the user guide

1

### Describe the issue linked to the documentation Each code block is followed by an empty one on [RTD](https://zarr.readthedocs.io/en/latest/user-guide/experimental/): The [markdown source code](https://github.com/zarr-developers/zarr-python/blob/dc5334e5b3392d0ee5b1e19d6f6ab5261ec3425c/docs/user-guide/experimental.md) is correct though. ### Suggested fix for...

ziw-liu

We should include a self-contained example that demonstrates how to create and register a custom codec class.

d-v-b

We should write a self-contained example that demonstrates how to visualize locally-saved zarr data with [neuroglancer](https://github.com/google/neuroglancer/)

d-v-b

missing doctests

1

I don't think we have doctests working -- the doctest commands were removed from `pyproject.toml` in our switch to mkdocs, and the CI doctest job silently does nothing. We should...

d-v-b