dbf: refactor

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

@@ -0,0 +1,25 @@
+{ stdenv, fetchPypi, buildPythonPackage, aenum, isPy3k }:
+
+buildPythonPackage rec {
+    pname = "dbf";
+    version = "0.96.8";
+    name = "${pname}-${version}";
+
+    src = fetchPypi {
+      inherit pname version;
+      sha256 = "1z8n7s4cka6x9ybh4qpfhj51v2qrk38h2f06npizzhm0hmn6r3v1";
+    };
+
+    propagatedBuildInputs = [ aenum ];
+
+    doCheck = !isPy3k;
+    # tests are not yet ported.
+    # https://groups.google.com/forum/#!topic/python-dbase/96rx2xmCG4w
+
+    meta = with stdenv.lib; {
+      description = "Pure python package for reading/writing dBase, FoxPro, and Visual FoxPro .dbf files";
+      homepage    = "https://pypi.python.org/pypi/dbf";
+      license     = licenses.bsd2;
+      maintainers = with maintainers; [ vrthra ];
+    };
+}

pkgs/top-level/python-packages.nix

@@ -157,27 +157,7 @@ in {
 
   bugseverywhere = callPackage ../applications/version-management/bugseverywhere {};
 
-  dbf = buildPythonPackage rec {
-    name = "dbf-0.96.8";
-
-    propagatedBuildInputs = [ self.aenum ];
-
-    doCheck = false;
-    # (only) on python3 the unittest loader (loadTestsFromName(submodule)) fails
-
-    meta = {
-      description = "Pure python package for reading/writing dBase, FoxPro, and Visual FoxPro .dbf files";
-      homepage    = "https://pypi.python.org/pypi/dbf";
-      license     = licenses.bsd2;
-      maintainers = with maintainers; [ vrthra ];
-    };
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/d/dbf/${name}.tar.gz";
-      sha256 = "1z8n7s4cka6x9ybh4qpfhj51v2qrk38h2f06npizzhm0hmn6r3v1";
-    };
-  };
-
+  dbf = callPackage ../development/python-modules/dbf { };
 
   dbfread = buildPythonPackage rec {
     name = "dbfread-2.0.5";