{ stdenv, lib, buildPythonPackage, fetchFromGitHub, # build-system cython, setuptools, # native dependencies libxml2, libxslt, zlib, xcodebuild, }: buildPythonPackage rec { pname = "lxml"; version = "5.1.0"; pyproject = true; src = fetchFromGitHub { owner = "lxml"; repo = "lxml"; rev = "refs/tags/lxml-${version}"; hash = "sha256-eWLYzZWatYDmhuBTZynsdytlNFKKmtWQ1XIyzVD8sDY="; }; # setuptoolsBuildPhase needs dependencies to be passed through nativeBuildInputs nativeBuildInputs = [ libxml2.dev libxslt.dev cython setuptools ] ++ lib.optionals stdenv.isDarwin [ xcodebuild ]; buildInputs = [ libxml2 libxslt zlib ]; env = lib.optionalAttrs stdenv.cc.isClang { NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-function-pointer-types"; }; # tests are meant to be ran "in-place" in the same directory as src doCheck = false; pythonImportsCheck = [ "lxml" "lxml.etree" ]; meta = with lib; { changelog = "https://github.com/lxml/lxml/blob/lxml-${version}/CHANGES.txt"; description = "Pythonic binding for the libxml2 and libxslt libraries"; homepage = "https://lxml.de"; license = licenses.bsd3; maintainers = with maintainers; [ jonringer ]; }; }