tjh.dev
1{ fetchPypi, buildPythonPackage, lib, six, singledispatch, isPy3k
2, click
3, joblib
4, regex
5, tqdm
6}:
7
8buildPythonPackage rec {
9 version = "3.5";
10 pname = "nltk";
11
12 src = fetchPypi {
13 inherit pname version;
14 extension = "zip";
15 sha256 = "845365449cd8c5f9731f7cb9f8bd6fd0767553b9d53af9eb1b3abf7700936b35";
16 };
17
18 propagatedBuildInputs = [
19 click
20 joblib
21 regex
22 tqdm
23 ] ++ lib.optional (!isPy3k) singledispatch;
24
25 # Tests require some data, the downloading of which is impure. It would
26 # probably make sense to make the data another derivation, but then feeding
27 # that into the tests (given that we need nltk itself to download the data,
28 # unless there's an easy way to download it without nltk's downloader) might
29 # be complicated. For now let's just disable the tests and hope for the
30 # best.
31 doCheck = false;
32
33 meta = {
34 description = "Natural Language Processing ToolKit";
35 homepage = "http://nltk.org/";
36 license = lib.licenses.asl20;
37 maintainers = with lib.maintainers; [ lheckemann ];
38 };
39}