* update version policy to use effver

* style, fix missing verb

* Update docs/developers/contributing.rst

Co-authored-by: Joe Hamman <jhamman1@gmail.com>

* Update docs/developers/contributing.rst

* Update docs/developers/contributing.rst

Co-authored-by: Joe Hamman <jhamman1@gmail.com>

* Update docs/developers/contributing.rst

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update docs/developers/contributing.rst

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update docs/developers/contributing.rst

Co-authored-by: David Stansby <dstansby@gmail.com>

* add language about keeping changes smooth

* Update docs/developers/contributing.rst

* linewrap and style

* chore: release notes

---------

Co-authored-by: Joe Hamman <jhamman1@gmail.com>
Co-authored-by: David Stansby <dstansby@gmail.com>

Implementation of the Zarr Store API using obstore.

---------

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
Co-authored-by: Joe Hamman <joe@earthmover.io>
Co-authored-by: Deepak Cherian <dcherian@users.noreply.github.com>
Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>
Co-authored-by: Deepak Cherian <deepak@cherian.net>
Co-authored-by: Tom Augspurger <tom.augspurger88@gmail.com>

* Avoid memory copy in local store write

* Fix fill_value serialization of NaN

* Round trip serialization for array metadata v2/v3

* Unify metadata v2 fill value parsing

* Test structured fill_value parsing

* Remove redundancies, fix integral handling

* Reorganize structured fill parsing

* Bump up hypothesis deadline

* Remove hypothesis deadline

* Update tests/test_v2.py

Co-authored-by: David Stansby <dstansby@gmail.com>

---------

Co-authored-by: Deepak Cherian <deepak@cherian.net>
Co-authored-by: David Stansby <dstansby@gmail.com>

* Clean up warning filters in tests

* Ignore some more warnings

* Ignore some more warnings

* Ignore boto3 deprecation warning

* Ignore  unclosed client warning

* Filter another fsspec warning

* Ignore zip warning

* Filter warning in test_stateful

* pre-commit fixes

* Filter warning in test_wrapper

* Filter warning in memorystore

* Close pool in multiprocessing test

* pre-commit fixes

* Filter two more warnings

* Filter another warning

* Filter more warnings

* Add changelog

* Ignore unclosed client sessions

* Put back dtype filter

* Make client session filter better

* Return scalar when accessing zero dimensional array

* returning npt.ArrayLike instead of NDArrayLike because of scalar return values

* returning npt.ArrayLike instead of NDArrayLike because of scalar return values

* fix mypy in tests

* fix mypy in tests

* fix mypy in tests

* improve test_scalar_array

* fix typo

* add ScalarWrapper

* use ScalarWrapper as NDArrayLike

* Revert "fix mypy in tests"

* Revert "fix mypy in tests"

This reverts commit 75d6cdf.

* Revert "fix mypy in tests"

This reverts commit 34bf260.

* format

* Revert "returning npt.ArrayLike instead of NDArrayLike because of scalar return values"

This reverts commit 1a290c7.

* Revert "returning npt.ArrayLike instead of NDArrayLike because of scalar return values"

This reverts commit 3348439

* fix mypy for ScalarWrapper

* add missing import NDArrayLike

* ignore unavoidable mypy error

* format

* fix __array__

* extend tests

* format

* fix typing in test_scalar_array

* add dtype to ScalarWrapper

* correct dtype type

* fix test_basic_indexing

* fix test_basic_indexing

* fix test_basic_indexing for dtype=datetime64[Y]

* increase codecov

* fix typing

* document changes

* move test_scalar_wrapper to test_buffer.py

* remove ScalarWrapper usage

* create NDArrayOrScalarLike

* fix NDArrayOrScalarLike

* fix mypy

* fix mypy

* fix mypy

* fix mypy in asynchronous.py

* fix mypy in test_api.py

* fix mypy in test_api.py and synchronous.py

* fix mypy in test_api.py and test_array.py

* fix mypy in test_array.py

* fix mypy in test_array.py

* fix mypy in test_array.py

* fix mypy in test_array.py

* fix mypy in test_array.py, test_api.py, test_buffer.py, test_sharding.py

* add bytes, str and datetime to ScalarType

* only support numpy datetime64 in ScalarType

* remove ScalarWrapper and update changes

* undo wrong code changes

* rename ``NDArrayOrScalarLike`` to ``NDArrayLikeOrScalar``

* rename ``NDArrayOrScalarLike`` to ``NDArrayLikeOrScalar``

* fix mypy in test_array.py

* fix mypy in test_array.py

* handle datetype scalars for different units

* fix mypy

* fix mypy

* format

* add creation from other zarr

* remove duplicated tests

* improve test

* test_iter_grid for non-squares

* concurrent streaming for equal chunk sizes

* fix merge

* fix mypy

* fix mypy

* fix test_iter_grid

* extract to zarr.from_array

* fix mypy

* fix mypy

* format

* fix test_creation_from_other_zarr_format

* distinguish between keep and auto for from_array arguments

* partition concurrency along new_array chunks

* fix mypy

* improve test_creation_from_other_zarr_format

* add typing in test

* Update src/zarr/core/array.py

Co-authored-by: Norman Rzepka <code@normanrz.com>

* add from_array with npt.ArrayLike

* add write_data argument

* improve tests

* improve docstrings and add examples

* fix mypy and readthedocs

* fix mypy and readthedocs

* fix mypy and readthedocs

* fix mypy and readthedocs

* fix readthedocs ERROR: Unexpected indentation

* add release notes

* format docstring examples

* add write_data attr to synchronous.create_array

* `create_array` calls `from_array` calls `init_array`

* document changes

* fix serializer from_array v2 to v3

* fix mypy

* improve codecov

* fix mypy

* from_array: copy zarr format on default

* in ``from_array`` make all arguments except ``store`` keyword-only, to match ``create_array``

* in ``from_array`` default shards="keep"

* redundant ``ChunkKeyEncoding | ChunkKeyEncodingLike``

* fix argument order in calls of `from_array`

* fix numpydoc-validation

* add docstring to store2 pytest fixture

* extract `_parse_keep_array_attr` from `from_array`

* extract `_parse_keep_array_attr` from `from_array`

* correct _parse_keep_array_attr

* fix merge

* fix merge

---------

Co-authored-by: Norman Rzepka <code@normanrz.com>

* Run minimal tests without fsspec, requests, aiohttp

* Retain existing test env names

* Use importorskip

* Specify which matrix config to upload codecov on

* Remove redundant gpu env

* Add obstore to min_deps definition

* Fix optional dependency set

* Add remote_tests set to doctest

#2997)

* updated migration documention to say that '.' syntax is no longer allowed for variables in groups

* fixed spelling error

* Fix nan encoding in consolidated metadata

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>

This makes compressors consistent with v2, and buffers consistents with
`bytes` types.

Fixes #2735

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
Co-authored-by: David Stansby <dstansby@gmail.com>
Co-authored-by: jakirkham <jakirkham@gmail.com>

…#2994)

* Special-case suffix requests in obstore backend

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>