progressbar: move to own file and fix homepage

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

@@ -0,0 +1,21 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "progressbar";
+  version = "2.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "dfee5201237ca0e942baa4d451fee8bf8a54065a337fabe7378b8585aeda56a3";
+  };
+
+  # invalid command 'test'
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = https://pypi.python.org/pypi/progressbar;
+    description = "Text progressbar library for python";
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ domenkozar ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -13984,24 +13984,7 @@ in {
     };
   };
 
-  progressbar = buildPythonPackage (rec {
+  progressbar = callPackage ../development/python-modules/progressbar {};
-    name = "progressbar-2.2";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/p/progressbar/${name}.tar.gz";
-      sha256 = "dfee5201237ca0e942baa4d451fee8bf8a54065a337fabe7378b8585aeda56a3";
-    };
-
-    # invalid command 'test'
-    doCheck = false;
-
-    meta = {
-      homepage = http://code.google.com/p/python-progressbar/;
-      description = "Text progressbar library for python";
-      license = licenses.lgpl3Plus;
-      maintainers = with maintainers; [ domenkozar ];
-    };
-  });
 
   progressbar2 = callPackage ../development/python-modules/progressbar2 { };