128 lines
4.1 KiB
Nix
128 lines
4.1 KiB
Nix
{ buildPackages
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, buildPythonPackage
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, fetchpatch
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, isPyPy
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, lib
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, numpy
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, protobuf
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, pytestCheckHook
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, pythonAtLeast
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, substituteAll
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, tzdata
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}:
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assert lib.versionOlder protobuf.version "21" -> throw "Protobuf 21 or newer required";
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let
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protobufVersionMajor = lib.versions.major protobuf.version;
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protobufVersionMinor = lib.versions.minor protobuf.version;
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in
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buildPythonPackage {
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inherit (protobuf) pname src;
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# protobuf 21 corresponds with its python library 4.21
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version = "4.${protobufVersionMajor}.${protobufVersionMinor}";
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format = "setuptools";
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sourceRoot = "${protobuf.src.name}/python";
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patches = lib.optionals (lib.versionAtLeast protobuf.version "22") [
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# Replace the vendored abseil-cpp with nixpkgs'
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(substituteAll {
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src = ./use-nixpkgs-abseil-cpp.patch;
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abseil_cpp_include_path = "${lib.getDev protobuf.abseil-cpp}/include";
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})
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]
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++ lib.optionals (pythonAtLeast "3.11" && lib.versionOlder protobuf.version "22") [
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(fetchpatch {
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name = "support-python311.patch";
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url = "https://github.com/protocolbuffers/protobuf/commit/2206b63c4649cf2e8a06b66c9191c8ef862ca519.diff";
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stripLen = 1; # because sourceRoot above
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hash = "sha256-3GaoEyZIhS3QONq8LEvJCH5TdO9PKnOgcQF0GlEiwFo=";
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})
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];
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prePatch = ''
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if [[ "$(<../version.json)" != *'"python": "'"$version"'"'* ]]; then
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echo "Python library version mismatch. Derivation version: $version, actual: $(<../version.json)"
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exit 1
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fi
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'';
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# Remove the line in setup.py that forces compiling with C++14. Upstream's
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# CMake build has been updated to support compiling with other versions of
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# C++, but the Python build has not. Without this, we observe compile-time
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# errors using GCC.
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#
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# Fedora appears to do the same, per this comment:
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#
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# https://github.com/protocolbuffers/protobuf/issues/12104#issuecomment-1542543967
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#
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postPatch = ''
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sed -i "/extra_compile_args.append('-std=c++14')/d" setup.py
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# The former function has been renamed into the latter in Python 3.12.
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# Does not apply to all protobuf versions, hence --replace-warn.
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substituteInPlace google/protobuf/internal/json_format_test.py \
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--replace-warn assertRaisesRegexp assertRaisesRegex
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'';
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nativeBuildInputs = lib.optional isPyPy tzdata;
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buildInputs = [ protobuf ];
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propagatedNativeBuildInputs = [
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# For protoc of the same version.
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buildPackages."protobuf_${protobufVersionMajor}"
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];
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setupPyGlobalFlags = [ "--cpp_implementation" ];
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nativeCheckInputs = [
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pytestCheckHook
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] ++ lib.optionals (lib.versionAtLeast protobuf.version "22") [
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numpy
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];
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disabledTests = lib.optionals isPyPy [
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# error message differs
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"testInvalidTimestamp"
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# requires tracemalloc which pypy does not implement
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# https://foss.heptapod.net/pypy/pypy/-/issues/3048
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"testUnknownFieldsNoMemoryLeak"
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# assertion is not raised for some reason
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"testStrictUtf8Check"
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];
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disabledTestPaths = lib.optionals (lib.versionAtLeast protobuf.version "23") [
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# The following commit (I think) added some internal test logic for Google
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# that broke generator_test.py. There is a new proto file that setup.py is
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# not generating into a .py file. However, adding this breaks a bunch of
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# conflict detection in descriptor_test.py that I don't understand. So let's
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# just disable generator_test.py for now.
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#
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# https://github.com/protocolbuffers/protobuf/commit/5abab0f47e81ac085f0b2d17ec3b3a3b252a11f1
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#
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"google/protobuf/internal/generator_test.py"
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];
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pythonImportsCheck = [
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"google.protobuf"
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"google.protobuf.internal._api_implementation" # Verify that --cpp_implementation worked
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];
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passthru = {
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inherit protobuf;
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};
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meta = with lib; {
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description = "Protocol Buffers are Google's data interchange format";
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homepage = "https://developers.google.com/protocol-buffers/";
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license = licenses.bsd3;
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maintainers = with maintainers; [ knedlsepp ];
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# Tests are currently failing because backend is unavailable and causes tests to fail
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# Progress tracked in https://github.com/NixOS/nixpkgs/pull/264902
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broken = lib.versionAtLeast protobuf.version "25";
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};
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}
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