{ buildPackages , lib , fetchpatch , python , buildPythonPackage , isPy37 , protobuf , google-apputils ? null , six , pyext , libcxx , isPy27 , disabled , doCheck ? true }: buildPythonPackage { inherit (protobuf) pname src version; inherit disabled; doCheck = doCheck && !isPy27; # setuptools>=41.4 no longer collects correctly on python2 outputs = [ "out" "dev" ]; propagatedBuildInputs = [ six ] ++ lib.optionals isPy27 [ google-apputils ]; propagatedNativeBuildInputs = [ buildPackages.protobuf ]; # For protoc. nativeBuildInputs = [ pyext ] ++ lib.optionals isPy27 [ google-apputils ]; buildInputs = [ protobuf ]; patches = lib.optional (isPy37 && (lib.versionOlder protobuf.version "3.6.1.2")) # Python 3.7 compatibility (not needed for protobuf >= 3.6.1.2) (fetchpatch { url = "https://github.com/protocolbuffers/protobuf/commit/0a59054c30e4f0ba10f10acfc1d7f3814c63e1a7.patch"; sha256 = "09hw22y3423v8bbmc9xm07znwdxfbya6rp78d4zqw6fisdvjkqf1"; stripLen = 1; }) ; prePatch = '' while [ ! -d python ]; do cd * done cd python ''; preConfigure = lib.optionalString (lib.versionAtLeast protobuf.version "2.6.0") '' export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION_VERSION=2 ''; preBuild = '' # Workaround for https://github.com/google/protobuf/issues/2895 ${python.pythonForBuild.interpreter} setup.py build '' + lib.optionalString (lib.versionAtLeast protobuf.version "2.6.0") '' ${python.pythonForBuild.interpreter} setup.py build_ext --cpp_implementation ''; installFlags = lib.optional (lib.versionAtLeast protobuf.version "2.6.0") "--install-option='--cpp_implementation'"; # the _message.so isn't installed, so we'll do that manually. # if someone can figure out a less hacky way to get the _message.so to # install, please do replace this. postInstall = lib.optionalString (lib.versionAtLeast protobuf.version "2.6.0") '' cp -v $(find build -name "_message*") $out/${python.sitePackages}/google/protobuf/pyext ''; meta = with lib; { description = "Protocol Buffers are Google's data interchange format"; homepage = "https://developers.google.com/protocol-buffers/"; license = licenses.bsd3; }; passthru.protobuf = protobuf; }