pythonPackages.django_colorful: refactor move to python-modules

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

@@ -0,0 +1,28 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, django
+}:
+
+buildPythonPackage rec {
+  pname = "django-colorful";
+  version = "1.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0y34hzvfrm1xbxrd8frybc9yzgqvz4c07frafipjikw7kfjsw8az";
+  };
+
+  # Tests aren't run
+  doCheck = false;
+
+  # Requires Django >= 1.8
+  buildInputs = [ django ];
+
+  meta = with stdenv.lib; {
+    description = "Django extension that provides database and form color fields";
+    homepage = https://github.com/charettes/django-colorful;
+    license = licenses.mit;
+  };
+
+}

pkgs/top-level/python-packages.nix

@@ -2241,27 +2241,7 @@ in {
 
   django_appconf = callPackage ../development/python-modules/django_appconf { };
 
-  django_colorful = buildPythonPackage rec {
+  django_colorful = callPackage ../development/python-modules/django_colorful { };
-    name = "django-colorful-${version}";
-    version = "1.2";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/d/django-colorful/${name}.tar.gz";
-      sha256 = "0y34hzvfrm1xbxrd8frybc9yzgqvz4c07frafipjikw7kfjsw8az";
-    };
-
-    # Tests aren't run
-    doCheck = false;
-
-    # Requires Django >= 1.8
-    buildInputs = with self; [ django ];
-
-    meta = {
-      description = "Django extension that provides database and form color fields";
-      homepage = https://github.com/charettes/django-colorful;
-      license = licenses.mit;
-    };
-  };
 
   django_compressor = callPackage ../development/python-modules/django_compressor { };