{ buildPythonPackage, fetchFromGitHub, lib, pythonOlder, poetry-core, grpclib, python-dateutil, black, jinja2, isort, python, pydantic, pytest7CheckHook, pytest-asyncio, pytest-mock, typing-extensions, tomlkit, grpcio-tools, }: buildPythonPackage rec { pname = "betterproto"; version = "2.0.0b6"; pyproject = true; disabled = pythonOlder "3.9"; src = fetchFromGitHub { owner = "danielgtaylor"; repo = "python-betterproto"; rev = "refs/tags/v.${version}"; hash = "sha256-ZuVq4WERXsRFUPNNTNp/eisWX1MyI7UtwqEI8X93wYI="; }; build-system = [ poetry-core ]; dependencies = [ grpclib python-dateutil typing-extensions ]; passthru.optional-dependencies.compiler = [ black jinja2 isort ]; nativeCheckInputs = [ grpcio-tools pydantic pytest-asyncio pytest-mock pytest7CheckHook tomlkit ] ++ lib.flatten (builtins.attrValues passthru.optional-dependencies); pythonImportsCheck = [ "betterproto" ]; # The tests require the generation of code before execution. This requires # the protoc-gen-python_betterproto script from the package to be on PATH. preCheck = '' export PATH=$PATH:$out/bin patchShebangs src/betterproto/plugin/main.py ${python.interpreter} -m tests.generate ''; disabledTestPaths = [ # https://github.com/danielgtaylor/python-betterproto/issues/530 "tests/inputs/oneof/test_oneof.py" ]; disabledTests = [ "test_pydantic_no_value" # Test is flaky "test_binary_compatibility" ]; meta = with lib; { description = "Code generator & library for Protobuf 3 and async gRPC"; mainProgram = "protoc-gen-python_betterproto"; longDescription = '' This project aims to provide an improved experience when using Protobuf / gRPC in a modern Python environment by making use of modern language features and generating readable, understandable, idiomatic Python code. ''; homepage = "https://github.com/danielgtaylor/python-betterproto"; changelog = "https://github.com/danielgtaylor/python-betterproto/blob/v.${version}/CHANGELOG.md"; license = licenses.mit; maintainers = with maintainers; [ nikstur ]; }; }