Add grin package

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

@@ -0,0 +1,19 @@
+{ stdenv, fetchurl, pythonPackages }:
+
+pythonPackages.buildPythonPackage rec {
+  name = "grin-1.2.1";
+  namePrefix = "";
+
+  src = fetchurl {
+    url = "https://pypi.python.org/packages/source/g/grin/${name}.tar.gz";
+    sha256 = "1swzwb17wibam8jszdv98h557hlx44pg6psv6rjz7i33qlxk0fdz";
+  };
+
+  buildInputs = with pythonPackages; [ nose ];
+  propagatedBuildInputs = with pythonPackages; [ argparse ];
+
+  meta = {
+    homepage = https://pypi.python.org/pypi/grin;
+    description = "A grep program configured the way I like it.";
+  };
+}

pkgs/top-level/python-packages.nix

@@ -4844,6 +4844,7 @@ let
     };
   };
 
+  grin = callPackage ../development/python-modules/grin { };
 
   gyp = buildPythonPackage rec {
     rev = "1977";