python2Packages.ruamel-yaml: reinit at 0.16.13

pkgs/development/python-modules/ruamel_yaml/0.16.nix

@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, ruamel_base
+, ruamel_ordereddict ? null
+, ruamel_yaml_clib ? null
+, isPy3k
+, isPyPy
+}:
+
+buildPythonPackage rec {
+  pname = "ruamel.yaml";
+  version = "0.16.13";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0hm9yg785f46bkrgqknd6fdvmkby9dpzjnm0b63qf0i748acaj5v";
+  };
+
+  # Tests use relative paths
+  doCheck = false;
+
+  propagatedBuildInputs = [ ruamel_base ]
+    ++ lib.optional (!isPy3k) ruamel_ordereddict
+    ++ lib.optional (!isPyPy) ruamel_yaml_clib;
+
+  # causes namespace clash on py27
+  dontUsePythonImportsCheck = !isPy3k;
+  pythonImportsCheck = [
+    "ruamel.yaml"
+    "ruamel.base"
+  ];
+
+  meta = with lib; {
+    description = "YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order";
+    homepage = "https://sourceforge.net/projects/ruamel-yaml/";
+    license = licenses.mit;
+  };
+
+}

pkgs/top-level/python2-packages.nix

@@ -520,6 +520,9 @@ with self; with super; {
   ruamel-ordereddict = self.ruamel_ordereddict;
   ruamel_ordereddict = callPackage ../development/python-modules/ruamel_ordereddict { };
 
+  ruamel_yaml = self.ruamel-yaml;
+  ruamel-yaml = callPackage ../development/python-modules/ruamel_yaml/0.16.nix { };
+
   runsnakerun = callPackage ../development/python-modules/runsnakerun { };
 
   rpm = disabled super.rpm;