{ stdenv, lib, buildPythonPackage, fetchFromGitHub, # build-system cython, setuptools, # native dependencies libxml2, libxslt, zlib, xcodebuild, }: buildPythonPackage rec { pname = "lxml"; version = "6.0.1"; pyproject = true; src = fetchFromGitHub { owner = "lxml"; repo = "lxml"; tag = "lxml-${version}"; hash = "sha256-iY47nhAbA8ScnjmK2/7lVCBP8f65v1zOs3TcgQULlQ0="; }; build-system = [ cython setuptools ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ xcodebuild ]; # required for build time dependency check nativeBuildInputs = [ libxml2.dev libxslt.dev ]; buildInputs = [ libxml2 libxslt zlib ]; env = lib.optionalAttrs stdenv.cc.isClang { NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-function-pointer-types"; }; # tests are meant to be ran "in-place" in the same directory as src doCheck = false; pythonImportsCheck = [ "lxml" "lxml.etree" ]; meta = with lib; { changelog = "https://github.com/lxml/lxml/blob/lxml-${version}/CHANGES.txt"; description = "Pythonic binding for the libxml2 and libxslt libraries"; homepage = "https://lxml.de"; license = licenses.bsd3; maintainers = [ ]; }; }