pythonPackages.versiontools: refactor move to python-modules

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

@@ -0,0 +1,24 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "versiontools";
+  version = "1.9.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1xhl6kl7f4srgnw6zw4lr8j2z5vmrbaa83nzn2c9r2m1hwl36sd9";
+  };
+
+  doCheck = (!isPy3k);
+
+  meta = with stdenv.lib; {
+    homepage = https://launchpad.net/versiontools;
+    description = "Smart replacement for plain tuple used in __version__";
+    license = licenses.lgpl2;
+  };
+
+}

pkgs/top-level/python-packages.nix

@@ -4294,16 +4294,7 @@ in {
 
   txamqp = callPackage ../development/python-modules/txamqp { };
 
-  versiontools = buildPythonPackage rec {
+  versiontools = callPackage ../development/python-modules/versiontools { };
-    name = "versiontools-1.9.1";
-    doCheck = (!isPy3k);
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/v/versiontools/${name}.tar.gz";
-      sha256 = "1xhl6kl7f4srgnw6zw4lr8j2z5vmrbaa83nzn2c9r2m1hwl36sd9";
-    };
-
-  };
 
   veryprettytable = buildPythonPackage rec {
     name = "veryprettytable-${version}";