pythonPackages.htmltreediff: fix build

- add `pythonPackages.nose` as `checkInput` to make the tests passing
- extract expression into its own file

See https://hydra.nixos.org/build/70680974/log
See ticket #36453

1 files changed, 26 insertions, 0 deletions

diff --git a/pkgs/development/python-modules/htmltreediff/default.nix b/pkgs/development/python-modules/htmltreediff/default.nix
new file mode 100644
index 000000000000..5e839e4ada9b
--- /dev/null
+++ b/pkgs/development/python-modules/htmltreediff/default.nix
@@ -0,0 +1,26 @@
+{ buildPythonPackage, fetchFromGitHub, isPy3k, lxml, html5lib, nose, stdenv }:
+
+buildPythonPackage rec {
+  version = "v0.1.2";
+  pname = "htmltreediff";
+
+  disabled = isPy3k;
+
+  src = fetchFromGitHub {
+    owner = "christian-oudard";
+    repo = pname;
+    rev = version;
+    sha256 = "16mqp2jyznrw1mgd3qzybq28h2k5wz7vmmz1m6xpgscazyjhvvd1";
+  };
+
+  propagatedBuildInputs = [ lxml html5lib ];
+
+  checkInputs = [ nose ];
+
+  meta = with stdenv.lib; {
+    description = " Structure-aware diff for html and xml documents";
+    homepage = https://github.com/christian-oudard/htmltreediff;
+    license = licenses.bsdOriginal;
+    maintainers = with maintainers; [ ma27 ];
+  };
+}