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{
lib,
buildPythonPackage,
fetchFromGitHub,
pythonAtLeast,
# build-system
setuptools,
setuptools-scm,
# dependencies
click,
cloudpickle,
fsspec,
importlib-metadata,
packaging,
partd,
pyyaml,
toolz,
# optional-dependencies
numpy,
pyarrow,
lz4,
pandas,
distributed,
bokeh,
jinja2,
# tests
hypothesis,
pytest-asyncio,
pytest-cov-stub,
pytest-mock,
pytest-rerunfailures,
pytest-timeout,
pytest-xdist,
pytestCheckHook,
versionCheckHook,
}:
buildPythonPackage rec {
pname = "dask";
version = "2025.12.0";
pyproject = true;
src = fetchFromGitHub {
owner = "dask";
repo = "dask";
tag = version;
hash = "sha256-oGBOt2ULLn0Kx1rOVNWaC3l1ECotMC2yNeCHya9Tx+s=";
};
# https://github.com/dask/dask/issues/12043
postPatch = lib.optionalString (pythonAtLeast "3.14") ''
substituteInPlace dask/dataframe/dask_expr/tests/_util.py \
--replace-fail "except AttributeError:" "except (AttributeError, pickle.PicklingError):"
'';
build-system = [
setuptools
setuptools-scm
];
dependencies = [
click
cloudpickle
fsspec
importlib-metadata
packaging
partd
pyyaml
toolz
];
optional-dependencies = lib.fix (self: {
array = [ numpy ];
complete = [
pyarrow
lz4
]
++ self.array
++ self.dataframe
++ self.distributed
++ self.diagnostics;
dataframe = [
pandas
pyarrow
]
++ self.array;
distributed = [ distributed ];
diagnostics = [
bokeh
jinja2
];
});
nativeCheckInputs = [
hypothesis
pyarrow
pytest-asyncio
pytest-cov-stub
pytest-mock
pytest-rerunfailures
pytest-timeout
pytest-xdist
pytestCheckHook
versionCheckHook
]
++ optional-dependencies.array
++ optional-dependencies.dataframe;
pytestFlags = [
# Rerun failed tests up to three times
"--reruns=3"
];
disabledTestMarks = [
# Don't run tests that require network access
"network"
];
# https://github.com/dask/dask/issues/12042
disabledTests = lib.optionals (pythonAtLeast "3.14") [
"test_multiple_repartition_partition_size"
];
__darwinAllowLocalNetworking = true;
pythonImportsCheck = [
"dask"
"dask.bag"
"dask.bytes"
"dask.diagnostics"
# Requires the `dask.optional-dependencies.array` that are only in `nativeCheckInputs`
"dask.array"
# Requires the `dask.optional-dependencies.dataframe` that are only in `nativeCheckInputs`
"dask.dataframe"
"dask.dataframe.io"
"dask.dataframe.tseries"
];
meta = {
description = "Minimal task scheduling abstraction";
mainProgram = "dask";
homepage = "https://dask.org/";
changelog = "https://docs.dask.org/en/latest/changelog.html";
license = lib.licenses.bsd3;
maintainers = with lib.maintainers; [ GaetanLepage ];
};
}
|
