{ lib , stdenv , buildPythonPackage , pythonOlder , rustPlatform , libiconv , fetchFromGitHub , typing-extensions , darwin }: let pname = "polars"; version = "0.18.13"; rootSource = fetchFromGitHub { owner = "pola-rs"; repo = "polars"; rev = "refs/tags/py-${version}"; hash = "sha256-kV30r2wmswpCUmMRaFsCOeRrlTN5/PU0ogaU2JIHq0E="; }; in buildPythonPackage { inherit pname version; format = "pyproject"; disabled = pythonOlder "3.6"; src = rootSource; # Cargo.lock file is sometimes behind actual release which throws an error, # thus the `sed` command # Make sure to check that the right substitutions are made when updating the package preBuild = '' cd py-polars #sed -i 's/version = "0.18.0"/version = "${version}"/g' Cargo.lock ''; cargoDeps = rustPlatform.importCargoLock { lockFile = ./Cargo.lock; outputHashes = { "arrow2-0.17.3" = "sha256-pM6lNjMCpUzC98IABY+M23lbLj0KMXDefgBMjUPjDlg="; "jsonpath_lib-0.3.0" = "sha256-NKszYpDGG8VxfZSMbsTlzcMGFHBOUeFojNw4P2wM3qk="; "simd-json-0.10.0" = "sha256-0q/GhL7PG5SLgL0EETPqe8kn6dcaqtyL+kLU9LL+iQs="; }; }; 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 darwin.apple_sdk.frameworks.Security ]; pythonImportsCheck = [ "polars" ]; # nativeCheckInputs = [ # pytestCheckHook # fixtures # graphviz # matplotlib # networkx # numpy # pydot # ]; meta = with lib; { 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 ]; }; }