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{ lib
, stdenv
, buildPythonPackage
, pythonOlder
, rustPlatform
, libiconv
, fetchFromGitHub
, typing-extensions
}:
let
pname = "polars";
version = "0.17.11";
rootSource = fetchFromGitHub {
owner = "pola-rs";
repo = "polars";
rev = "refs/tags/py-${version}";
hash = "sha256-zNp/77an9daUfHQ+HCaHtZzaq0TT9F+8aH3abrF7+YA=";
};
in
buildPythonPackage {
inherit pname version;
format = "pyproject";
disabled = pythonOlder "3.6";
src = rootSource;
# Cargo.lock file is sometimes behind actual release which throws an error,
# thus the `sed` command
# Make sure to check that the right substitutions are made when updating the package
preBuild = ''
cd py-polars
#sed -i 's/version = "0.17.11"/version = "${version}"/g' Cargo.lock
'';
cargoDeps = rustPlatform.importCargoLock {
lockFile = ./Cargo.lock;
outputHashes = {
"arrow2-0.17.0" = "sha256-jjrwTP+ZKem9lyrmAWJ+t9cZBkGqAR1VlgNFXDtx1LA=";
"jsonpath_lib-0.3.0" = "sha256-NKszYpDGG8VxfZSMbsTlzcMGFHBOUeFojNw4P2wM3qk=";
"simd-json-0.7.0" = "sha256-tlz6my4vhUQIArPonJml8zIyk1sbbDSORKp3cmPUUSI=";
};
};
cargoRoot = "py-polars";
# Revisit this whenever package or Rust is upgraded
RUSTC_BOOTSTRAP = 1;
propagatedBuildInputs = lib.optionals (pythonOlder "3.11") [ typing-extensions ];
nativeBuildInputs = with rustPlatform; [ cargoSetupHook maturinBuildHook ];
buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
pythonImportsCheck = [ "polars" ];
# nativeCheckInputs = [
# pytestCheckHook
# fixtures
# graphviz
# matplotlib
# networkx
# numpy
# pydot
# ];
meta = with lib; {
broken = (stdenv.isLinux && stdenv.isAarch64) || stdenv.isDarwin;
description = "Fast multi-threaded DataFrame library in Rust | Python | Node.js ";
homepage = "https://github.com/pola-rs/polars";
license = licenses.asl20;
maintainers = with maintainers; [ happysalada ];
};
}
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