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{ lib, stdenv, fetchurl, autoPatchelfHook, python3 }:
stdenv.mkDerivation rec {
pname = "gpt2tc";
version = "2020-12-30";
src = fetchurl {
url = "https://bellard.org/nncp/gpt2tc-${version}.tar.gz";
hash = "sha256-KFcl7E6iGx50JaJI1jwzKAdkrkbNngPbrEA/ZSyG+uY=";
};
patches = [
# Add a shebang to the python script so that nix detects it as such and
# wraps it properly. Otherwise, it runs in shell and freezes the system.
./0001-add-python-shebang.patch
# Update the source URL for the models because the old one is down.
./0002-fix-download-url.patch
];
nativeBuildInputs = [ autoPatchelfHook ];
buildInputs = [
(python3.withPackages (p: with p; [ numpy tensorflow ]))
];
dontBuild = true;
installPhase = ''
runHook preInstall
install -D -m755 -t $out/bin gpt2tc
install -T -m755 download_model.sh $out/bin/gpt2-download-model
install -T -m755 gpt2convert.py $out/bin/gpt2-convert
install -D -m644 -t $out/share/gpt2tc readme.txt gpt2vocab.txt Changelog
runHook postInstall
'';
meta = with lib; {
description = "Text completion and compression using GPT-2";
homepage = "https://bellard.org/nncp/gpt2tc.html";
license = licenses.unfree;
platforms = [ "x86_64-linux" ];
maintainers = with maintainers; [ anna328p ];
};
}
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