python.pkgs.jsonref: move to separate expression

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

@@ -0,0 +1,27 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, pytest, mock }:
+
+buildPythonPackage rec {
+  pname = "jsonref";
+  version = "0.1";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1lqa8dy1sr1bxi00ri79lmbxvzxi84ki8p46zynyrgcqhwicxq2n";
+  };
+
+  buildInputs = [ pytest mock ];
+
+  checkPhase = ''
+    py.test tests.py
+  '';
+
+  meta = with stdenv.lib; {
+    description = "An implementation of JSON Reference for Python";
+    homepage    = "http://github.com/gazpachoking/jsonref";
+    license     = licenses.mit;
+    maintainers = with maintainers; [ nand0p ];
+    platforms   = platforms.all;
+  };
+}

pkgs/top-level/python-packages.nix

@@ -29771,29 +29771,7 @@ EOF
 
   autobahn = callPackage ../development/python-modules/autobahn { };
 
-  jsonref = buildPythonPackage rec {
+  jsonref = callPackage ../development/python-modules/jsonref { };
-    name = "${pname}-${version}";
-    pname = "jsonref";
-    version = "0.1";
-
-    meta = {
-      description = "An implementation of JSON Reference for Python.";
-      homepage    = "http://github.com/gazpachoking/jsonref";
-      license     = licenses.mit;
-      maintainers = with maintainers; [ nand0p ];
-      platforms   = platforms.all;
-    };
-
-    buildInputs = with self; [ pytest mock ];
-    checkPhase = ''
-      py.test tests.py
-    '';
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/j/${pname}/${name}.tar.gz";
-      sha256 = "1lqa8dy1sr1bxi00ri79lmbxvzxi84ki8p46zynyrgcqhwicxq2n";
-    };
-  };
 
   whoosh = callPackage ../development/python-modules/whoosh { };