{ lib , stdenv , aioquic , buildPythonPackage , cacert , cryptography , curio , fetchPypi , h2 , httpx , idna , poetry-core , pytestCheckHook , pythonOlder , requests , requests-toolbelt , sniffio , trio }: buildPythonPackage rec { pname = "dnspython"; version = "2.4.2"; format = "pyproject"; disabled = pythonOlder "3.7"; src = fetchPypi { inherit pname version; hash = "sha256-jc+ujHRgovhLQHLibxyfQQHKIMBxZJy3w06LapPViYQ="; }; nativeBuildInputs = [ poetry-core ]; passthru.optional-dependencies = { DOH = [ httpx h2 requests requests-toolbelt ]; IDNA = [ idna ]; DNSSEC = [ cryptography ]; trio = [ trio ]; curio = [ curio sniffio ]; DOQ = [ aioquic ]; }; nativeCheckInputs = [ pytestCheckHook ]; checkInputs = [ cacert ] ++ passthru.optional-dependencies.DNSSEC; disabledTests = [ # dns.exception.SyntaxError: protocol not found "test_misc_good_WKS_text" # fails if IPv6 isn't available "test_resolver_override" ] ++ lib.optionals stdenv.isDarwin [ # Tests that run inconsistently on darwin systems # 9 tests fail with: BlockingIOError: [Errno 35] Resource temporarily unavailable "testQueryUDP" # 6 tests fail with: dns.resolver.LifetimeTimeout: The resolution lifetime expired after ... "testResolveCacheHit" "testResolveTCP" ]; pythonImportsCheck = [ "dns" ]; meta = with lib; { description = "A DNS toolkit for Python"; homepage = "https://www.dnspython.org"; changelog = "https://github.com/rthalley/dnspython/blob/v${version}/doc/whatsnew.rst"; license = with licenses; [ isc ]; maintainers = with maintainers; [ gador ]; }; }