python312Packages.gin-config: refactor

- add optional-dependencies

pkgs/development/python-modules/gin-config/default.nix

@@ -2,31 +2,39 @@
   lib,
   buildPythonPackage,
   fetchPypi,
-  six,
-  enum34,
+  pythonOlder,
+  setuptools,
+  tensorflow,
+  torch,
 }:
 
 buildPythonPackage rec {
   pname = "gin-config";
   version = "0.5.0";
-  format = "setuptools";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0c6ea5026ded927c8c93c990b01c695257c1df446e45e549a158cfbc79e19ed6";
+    hash = "sha256-DG6lAm3tknyMk8mQsBxpUlfB30RuReVJoVjPvHnhntY=";
   };
 
-  propagatedBuildInputs = [
-    six
-    enum34
-  ];
+  build-system = [ setuptools ];
+
+  optional-dependencies = {
+    tensorflow = [ tensorflow ];
+    torch = [ torch ];
+  };
 
   # PyPI archive does not ship with tests
   doCheck = false;
 
+  pythonImportsCheck = [ "gin" ];
+
   meta = with lib; {
-    homepage = "https://github.com/google/gin-config";
     description = "Gin provides a lightweight configuration framework for Python, based on dependency injection";
+    homepage = "https://github.com/google/gin-config";
     license = licenses.asl20;
     maintainers = with maintainers; [ jethro ];
   };