[build-system]

requires = ["hatchling", "hatch-vcs"]

build-backend = "hatchling.build"

[project]

name = "zarr"

description = "An implementation of chunked, compressed, N-dimensional arrays for Python"

readme = { file = "README.md", content-type = "text/markdown" }

authors = [

{ name = "Alistair Miles", email = "[email protected]" },

]

maintainers = [

{ name = "Davis Bennett", email = "[email protected]" },

{ name = "jakirkham" },

{ name = "Josh Moore", email = "[email protected]" },

{ name = "Joe Hamman", email = "[email protected]" },

{ name = "Juan Nunez-Iglesias", email = "[email protected]" },

{ name = "Martin Durant", email = "[email protected]" },

{ name = "Norman Rzepka" },

{ name = "Ryan Abernathey" },

{ name = "David Stansby" },

{ name = "Tom Augspurger", email = "[email protected]" },

{ name = "Deepak Cherian" }

]

requires-python = ">=3.11"

# If you add a new dependency here, please also add it to .pre-commit-config.yml

dependencies = [

'packaging>=22.0',

'numpy>=1.25',

'numcodecs[crc32c]>=0.14',

'typing_extensions>=4.9',

'donfig>=0.8',

]

dynamic = [

"version",

]

classifiers = [

'Development Status :: 6 - Mature',

'Intended Audience :: Developers',

'Intended Audience :: Information Technology',

'Intended Audience :: Science/Research',

'License :: OSI Approved :: MIT License',

'Programming Language :: Python',

'Topic :: Software Development :: Libraries :: Python Modules',

'Operating System :: Unix',

'Programming Language :: Python :: 3',

'Programming Language :: Python :: 3.11',

'Programming Language :: Python :: 3.12',

'Programming Language :: Python :: 3.13',

]

license = {text = "MIT License"}

keywords = ["Python", "compressed", "ndimensional-arrays", "zarr"]

[project.optional-dependencies]

# User extras

remote = [

"fsspec>=2023.10.0",

]

gpu = [

"cupy-cuda12x",

]

# Development extras

test = [

"coverage",

"pytest",

"pytest-cov",

"s3fs",

"pytest-asyncio",

"pytest-accept",

"moto[s3,server]",

"requests",

"rich",

"mypy",

"hypothesis",

"universal-pathlib",

]

optional = ["rich", "universal-pathlib"]

docs = [

'sphinx==8.1.3',

'sphinx-autobuild>=2021.3.14',

'sphinx-autoapi==3.4.0',

'sphinx_design',

'sphinx-issues',

'sphinx-copybutton',

'sphinx-reredirects',

'pydata-sphinx-theme',

'numpydoc',

'numcodecs[msgpack]',

'rich',

's3fs',

]

[project.urls]

"Bug Tracker" = "https://github.com/zarr-developers/zarr-python/issues"

Changelog = "https://zarr.readthedocs.io/en/stable/release.html"

Discussions = "https://github.com/zarr-developers/zarr-python/discussions"

Documentation = "https://zarr.readthedocs.io/"

Homepage = "https://github.com/zarr-developers/zarr-python"

[tool.coverage.report]

exclude_lines = [

"pragma: no cover",

"pragma: ${PY_MAJOR_VERSION} no cover",

'.*\.\.\.' # Ignore "..." lines

]

[tool.coverage.run]

omit = [

"src/zarr/meta_v1.py",

"bench/compress_normal.py",

]

[tool.hatch]

version.source = "vcs"

build.hooks.vcs.version-file = "src/zarr/_version.py"

[tool.hatch.envs.test]

dependencies = [

"numpy~={matrix:numpy}",

"universal_pathlib",

]

features = ["test"]

[[tool.hatch.envs.test.matrix]]

python = ["3.11", "3.12", "3.13"]

numpy = ["1.25", "2.1"]

version = ["minimal"]

[[tool.hatch.envs.test.matrix]]

python = ["3.11", "3.12", "3.13"]

numpy = ["1.25", "2.1"]

features = ["optional"]

[[tool.hatch.envs.test.matrix]]

python = ["3.11", "3.12", "3.13"]

numpy = ["1.25", "2.1"]

features = ["gpu"]

[tool.hatch.envs.test.scripts]

run-coverage = "pytest --cov-config=pyproject.toml --cov=pkg --cov=src"

run-coverage-gpu = "pip install cupy-cuda12x && pytest -m gpu --cov-config=pyproject.toml --cov=pkg --cov=src"

run = "run-coverage --no-cov"

run-verbose = "run-coverage --verbose"

run-mypy = "mypy src"

run-hypothesis = "pytest --hypothesis-profile ci tests/test_properties.py tests/test_store/test_stateful*"

list-env = "pip list"

[tool.hatch.envs.doctest]

features = ["test", "optional"]

description = "Test environment for doctests"

[tool.hatch.envs.doctest.scripts]

run = "rm -r data/; pytest docs/user-guide --doctest-glob='*.rst'"

fix = "rm -r data/; pytest docs/user-guide --doctest-glob='*.rst' --accept"

list-env = "pip list"

[tool.hatch.envs.gputest]

dependencies = [

"numpy~={matrix:numpy}",

"universal_pathlib",

]

features = ["test", "gpu"]

[[tool.hatch.envs.gputest.matrix]]

python = ["3.11", "3.12", "3.13"]

numpy = ["1.25", "2.1"]

version = ["minimal"]

[tool.hatch.envs.gputest.scripts]

run-coverage = "pytest -m gpu --cov-config=pyproject.toml --cov=pkg --cov=src"

run = "run-coverage --no-cov"

run-verbose = "run-coverage --verbose"

run-mypy = "mypy src"

run-hypothesis = "pytest --hypothesis-profile ci tests/test_properties.py tests/test_store/test_stateful*"

list-env = "pip list"

[tool.hatch.envs.docs]

features = ['docs']

[tool.hatch.envs.docs.scripts]

build = "cd docs && make html"

serve = "sphinx-autobuild docs docs/_build --host 0.0.0.0"

[tool.hatch.envs.upstream]

python = "3.13"

dependencies = [

'packaging @ git+https://github.com/pypa/packaging',

'numpy', # from scientific-python-nightly-wheels

'numcodecs @ git+https://github.com/zarr-developers/numcodecs',

'fsspec @ git+https://github.com/fsspec/filesystem_spec',

's3fs @ git+https://github.com/fsspec/s3fs',

'universal_pathlib @ git+https://github.com/fsspec/universal_pathlib',

'typing_extensions @ git+https://github.com/python/typing_extensions',

'donfig @ git+https://github.com/pytroll/donfig',

# test deps

'hypothesis',

'pytest',

'pytest-cov',

'pytest-asyncio',

'moto[s3]',

]

[tool.hatch.envs.upstream.env-vars]

PIP_INDEX_URL = "https://pypi.anaconda.org/scientific-python-nightly-wheels/simple/"

PIP_EXTRA_INDEX_URL = "https://pypi.org/simple/"

PIP_PRE = "1"

[tool.hatch.envs.upstream.scripts]

run = "pytest --verbose"

run-mypy = "mypy src"

run-hypothesis = "pytest --hypothesis-profile ci tests/test_properties.py tests/test_store/test_stateful*"

list-env = "pip list"

[tool.hatch.envs.min_deps]

description = """Test environment for minimum supported dependencies

See Spec 0000 for details and drop schedule: https://scientific-python.org/specs/spec-0000/

"""

python = "3.11"

dependencies = [

'packaging==22.*',

'numpy==1.25.*',

'numcodecs==0.14.*', # 0.14 needed for zarr3 codecs

'fsspec==2022.10.0',

's3fs==2022.10.0',

'universal_pathlib==0.0.22',

'typing_extensions==4.9.*',

'donfig==0.8.*',

# test deps

'hypothesis',

'pytest',

'pytest-cov',

'pytest-asyncio',

'moto[s3]',

]

[tool.hatch.envs.min_deps.scripts]

run = "pytest --verbose"

run-hypothesis = "pytest --hypothesis-profile ci tests/test_properties.py tests/test_store/test_stateful*"

list-env = "pip list"

[tool.ruff]

line-length = 100

force-exclude = true

extend-exclude = [

".bzr",

".direnv",

".eggs",

".git",

".mypy_cache",

".nox",

".pants.d",

".ruff_cache",

".venv",

"__pypackages__",

"_build",

"buck-out",

"build",

"dist",

"notebooks", # temporary, until we achieve compatibility with ruff ≥ 0.6

"venv",

"docs",

"src/zarr/v2/",

"tests/v2/",

]

[tool.ruff.lint]

extend-select = [

"ANN", # flake8-annotations

"B", # flake8-bugbear

"EXE", # flake8-executable

"C4", # flake8-comprehensions

"FA", # flake8-future-annotations

"FLY", # flynt

"FURB", # refurb

"G", # flake8-logging-format

"I", # isort

"ISC", # flake8-implicit-str-concat

"LOG", # flake8-logging

"PERF", # Perflint

"PIE", # flake8-pie

"PGH", # pygrep-hooks

"PT", # flake8-pytest-style

"PYI", # flake8-pyi

"RET", # flake8-return

"RSE", # flake8-raise

"RUF",

"SIM", # flake8-simplify

"SLOT", # flake8-slots

"TCH", # flake8-type-checking

"TRY", # tryceratops

"UP", # pyupgrade

"W", # pycodestyle warnings

]

ignore = [

"ANN401",

"PT011", # TODO: apply this rule

"PT012", # TODO: apply this rule

"RET505",

"RET506",

"RUF005",

"SIM108",

"TRY003",

"UP038", # https://github.com/astral-sh/ruff/issues/7871

# https://docs.astral.sh/ruff/formatter/#conflicting-lint-rules

"W191",

"E111",

"E114",

"E117",

"D206",

"D300",

"Q000",

"Q001",

"Q002",

"Q003",

"COM812",

"COM819",

"ISC001",

"ISC002",

]

[tool.ruff.lint.extend-per-file-ignores]

"tests/**" = ["ANN001", "ANN201", "RUF029", "SIM117", "SIM300"]

[tool.mypy]

python_version = "3.11"

ignore_missing_imports = true

namespace_packages = false

strict = true

warn_unreachable = true

enable_error_code = ["ignore-without-code", "redundant-expr", "truthy-bool"]

[[tool.mypy.overrides]]

module = [

"zarr.v2.*",

]

ignore_errors = true

[[tool.mypy.overrides]]

module = [

"zarr.testing.stateful", # lots of hypothesis decorator errors

"tests.package_with_entrypoint.*",

"tests.test_codecs.test_codecs",

"tests.test_codecs.test_transpose",

"tests.test_metadata.*",

"tests.test_store.*",

"tests.test_config",

"tests.test_group",

"tests.test_indexing",

"tests.test_properties",

"tests.test_sync",

"tests.test_v2",

]

ignore_errors = true

[tool.pytest.ini_options]

minversion = "7"

testpaths = ["tests", "docs/user-guide"]

log_cli_level = "INFO"

xfail_strict = true

asyncio_mode = "auto"

doctest_optionflags = [

"NORMALIZE_WHITESPACE",

"ELLIPSIS",

"IGNORE_EXCEPTION_DETAIL",

]

addopts = [

"--durations=10", "-ra", "--strict-config", "--strict-markers",

]

filterwarnings = [

"error:::zarr.*",

"ignore:PY_SSIZE_T_CLEAN will be required.*:DeprecationWarning",

"ignore:The loop argument is deprecated since Python 3.8.*:DeprecationWarning",

"ignore:Creating a zarr.buffer.gpu.*:UserWarning",

"ignore:Duplicate name:UserWarning", # from ZipFile

"ignore:.*is currently not part in the Zarr format 3 specification.*:UserWarning",

]

markers = [

"gpu: mark a test as requiring CuPy and GPU"

]

[tool.repo-review]

ignore = [

"PC111", # fix Python code in documentation - enable later

"PC180", # for JavaScript - not interested

]

[tool.numpydoc_validation]

# See https://numpydoc.readthedocs.io/en/latest/validation.html#built-in-validation-checks for list of checks

checks = [

"GL06",

"GL07",

# Currently broken; see https://github.com/numpy/numpydoc/issues/573

# "GL09",

"GL10",

"SS02",

"SS04",

"PR02",

"PR03",

"PR05",

"PR06",

]