python312Packages.glyphsets: add PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION

pkgs/development/python-modules/glyphsets/default.nix

@@ -1,16 +1,17 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
   defcon,
+  fetchPypi,
   fonttools,
   gflanguages,
   glyphslib,
   pytestCheckHook,
+  pythonOlder,
   pyyaml,
   requests,
-  setuptools,
   setuptools-scm,
+  setuptools,
   unicodedata2,
 }:
 
@@ -19,11 +20,15 @@ buildPythonPackage rec {
   version = "1.0.0";
   pyproject = true;
 
+  disabled = pythonOlder "3.8";
+
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-fa+W1IGIZcn1P1xNKm1Yb/TOuf4QdDVnIvlDkOLOcLY=";
   };
 
+  env.PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION = "python";
+
   postPatch = ''
     substituteInPlace setup.py \
       --replace-fail "setuptools_scm>=8.0.4,<8.1" "setuptools_scm"
@@ -57,9 +62,10 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Google Fonts glyph set metadata";
-    mainProgram = "glyphsets";
     homepage = "https://github.com/googlefonts/glyphsets";
+    changelog = "https://github.com/googlefonts/glyphsets/blob/v${version}/CHANGELOG.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ danc86 ];
+    mainProgram = "glyphsets";
   };
 }