python3Packages.datadiff: migrate to pyproject (#543650)

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

@@ -2,27 +2,39 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
+  pytestCheckHook,
+  six,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "datadiff";
   version = "2.2.0";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-fOcN/uqMM/HYjbRrDv/ukFzDa023Ofa7BwqC3omB0ws=";
   };
 
-  # Tests are not part of the PyPI releases
-  doCheck = false;
+  build-system = [ setuptools ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+    six
+  ];
 
   pythonImportsCheck = [ "datadiff" ];
 
+  disabledTests = [
+    # slice is an hashable type in recent python versions
+    "test_unhashable_type"
+  ];
+
   meta = {
     description = "Library to provide human-readable diffs of Python data structures";
     homepage = "https://sourceforge.net/projects/datadiff/";
     license = lib.licenses.asl20;
     maintainers = [ ];
   };
-}
+})