pythonPackages.django_environ: refactor move to python-modules

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

@@ -0,0 +1,27 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, django
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "django-environ";
+  version = "0.4.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0i32vsgk1xmwpi7i6f6v5hg653y9dl0fsz5qmv94skz6hwgm5kvh";
+  };
+
+  # The testsuite fails to modify the base environment
+  doCheck = false;
+  propagatedBuildInputs = [ django six ];
+
+  meta = with stdenv.lib; {
+    description = "Utilize environment variables to configure your Django application";
+    homepage = https://github.com/joke2k/django-environ/;
+    license = licenses.mit;
+  };
+
+}

pkgs/top-level/python-packages.nix

@@ -2247,25 +2247,7 @@ in {
 
   django_compat = callPackage ../development/python-modules/django-compat { };
 
-  django_environ = buildPythonPackage rec {
+  django_environ = callPackage ../development/python-modules/django_environ { };
-    name = "django-environ-${version}";
-    version = "0.4.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/d/django-environ/${name}.tar.gz";
-      sha256 = "0i32vsgk1xmwpi7i6f6v5hg653y9dl0fsz5qmv94skz6hwgm5kvh";
-    };
-
-    # The testsuite fails to modify the base environment
-    doCheck = false;
-    propagatedBuildInputs = with self ; [ django six ];
-
-    meta = {
-      description = "Utilize environment variables to configure your Django application";
-      homepage = https://github.com/joke2k/django-environ/;
-      license = licenses.mit;
-    };
-  };
 
   django_evolution = buildPythonPackage rec {
     name = "django_evolution-0.7.5";