Python: move expressions in python-modules to their own folders

1 files changed, 31 insertions, 0 deletions

diff --git a/pkgs/development/python-modules/nltk/default.nix b/pkgs/development/python-modules/nltk/default.nix
new file mode 100644
index 00000000000..d30e030a049
--- /dev/null
+++ b/pkgs/development/python-modules/nltk/default.nix
@@ -0,0 +1,31 @@
+{ fetchurl, buildPythonPackage, isPy33, lib, six, pythonAtLeast, pythonOlder }:
+
+buildPythonPackage rec {
+  version = "3.2.5";
+  pname = "nltk";
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "mirror://pypi/n/nltk/nltk-${version}.tar.gz";
+    sha256 = "2661f9971d983db314bbebd51ba770811a362c6597fd0f303bb1d3beadcb4834";
+  };
+
+  propagatedBuildInputs = [ six ];
+
+  disabled = pythonOlder "2.7" || pythonOlder "3.4" && (pythonAtLeast "3.0");
+
+  # Tests require some data, the downloading of which is impure. It would
+  # probably make sense to make the data another derivation, but then feeding
+  # that into the tests (given that we need nltk itself to download the data,
+  # unless there's an easy way to download it without nltk's downloader) might
+  # be complicated. For now let's just disable the tests and hope for the
+  # best.
+  doCheck = false;
+
+  meta = {
+    description = "Natural Language Processing ToolKit";
+    homepage = http://nltk.org/;
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ lheckemann ];
+  };
+}