python3Packages.buildstream-plugins: init at 2.4.0 (#398620)

pkgs/by-name/bu/buildstream/package.nix

···
   addBinToPathHook,
   gitMinimal,
   versionCheckHook,
+
+  # Optional features
+  enableBuildstreamPlugins ? true,
 }:
 
 python3Packages.buildPythonApplication rec {
···
     ruamel-yaml-clib
     tomlkit
     ujson
-  ]);
+  ])
+  ++ lib.optionals enableBuildstreamPlugins [
+    python3Packages.buildstream-plugins
+  ];
 
   buildInputs = [
     fuse3

pkgs/development/python-modules/buildstream-plugins/default.nix

···
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  cython,
+}:
+
+buildPythonPackage rec {
+  pname = "buildstream-plugins";
+  version = "2.4.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "apache";
+    repo = "buildstream-plugins";
+    tag = version;
+    hash = "sha256-VAHDMy4DvNneWP1jhrIZzogZ5Gz5PS/GcFpOg2cGYvs=";
+  };
+
+  build-system = [
+    cython
+    setuptools
+  ];
+
+  # Do not run pyTest, causes infinite recursion as `buildstream-plugins`
+  # depends on `Buildstream`, and vice-versa for tests.
+  # May be fixable by skipping certain tests? TODO.
+
+  pythonImportsCheck = [ "buildstream_plugins" ];
+
+  meta = {
+    description = "BuildStream plugins";
+    homepage = "https://github.com/apache/buildstream-plugins";
+    platforms = lib.platforms.linux;
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ shymega ];
+  };
+}

pkgs/top-level/python-packages.nix

···
 
   buildcatrust = callPackage ../development/python-modules/buildcatrust { };
 
+  buildstream-plugins = callPackage ../development/python-modules/buildstream-plugins { };
+
   bump-my-version = callPackage ../development/python-modules/bump-my-version { };
 
   bump2version = callPackage ../development/python-modules/bump2version { };