pythonPackages.breathe: init at 4.2.0

It seems to work OK, but I'm not good at packaging python stuff.

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

@@ -0,0 +1,21 @@
+{ lib, fetchurl, buildPythonPackage, docutils, six, sphinx }:
+
+buildPythonPackage rec {
+  name = "breathe-${version}";
+  version = "4.2.0";
+
+  src = fetchurl {
+    url = "mirror://pypi/b/breathe/${name}.tar.gz";
+    md5 = "e35f6ce54485663857129370047f6057";
+  };
+
+  propagatedBuildInputs = [ docutils six sphinx ];
+
+  meta = {
+    homepage = https://github.com/michaeljones/breathe;
+    license = lib.licenses.bsd3;
+    description = "Sphinx Doxygen renderer";
+    inherit (sphinx.meta) platforms;
+  };
+}
+

pkgs/top-level/python-packages.nix

@@ -146,6 +146,8 @@ in modules // {
 
   blivet = callPackage ../development/python-modules/blivet { };
 
+  breathe = callPackage ../development/python-modules/breathe { };
+
   bugseverywhere = callPackage ../applications/version-management/bugseverywhere {};
 
   dbf = buildPythonPackage rec {