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{ fetchPypi, buildPythonPackage, lib, singledispatch ? null, isPy3k
, click
, joblib
, regex
, tqdm
}:
buildPythonPackage rec {
version = "3.6.7";
pname = "nltk";
src = fetchPypi {
inherit pname version;
extension = "zip";
sha256 = "51bf1aef5304740a708be7c8e683f7798f03dc5c7a7e7feb758be9e95f4585e3";
};
propagatedBuildInputs = [
click
joblib
regex
tqdm
] ++ lib.optional (!isPy3k) singledispatch;
# 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 ];
};
}
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