nixpkgs/pkgs/development/python-modules/protobuf/default.nix

75 lines
2.3 KiB
Nix

{ 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;
}