{ lib
, buildPythonPackage
, fetchPypi
, fetchpatch
}:

buildPythonPackage rec {
  pname = "json-merge-patch";
  version = "0.2";

  src = fetchPypi {
    inherit pname version;
    sha256 = "09898b6d427c08754e2a97c709cf2dfd7e28bd10c5683a538914975eab778d39";
  };

  patches = [
    # This prevented tests from running (was using a relative import)
    # https://github.com/OpenDataServices/json-merge-patch/pull/1
   (fetchpatch {
     name = "fully-qualified-json-merge-patch-import-on-tests";
     url = "https://patch-diff.githubusercontent.com/raw/OpenDataServices/json-merge-patch/pull/1.patch";
     sha256 = "1k6xsrxsmz03nwcqsf4gf0zsfnl2r20n83npic8z6bqlpl4lidl4";
   })
  ];

  meta = with lib; {
    description = "JSON Merge Patch library";
    homepage = "https://github.com/open-contracting/json-merge-patch";
    license = licenses.bsd3;
    maintainers = [ maintainers.costrouc ];
  };
}