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{ lib
, stdenv
, buildPythonPackage
, fetchPypi
, pythonOlder
, rustPlatform
, cargo
, rustc
, setuptools-rust
, libiconv
, requests
, regex
, blobfile
}:
let
pname = "tiktoken";
version = "0.3.3";
src = fetchPypi {
inherit pname version;
hash = "sha256-l7WLe/2pRXkeyFXlPRZujsIMY3iUK5OFGmyRnd+dBJY=";
};
postPatch = ''
cp ${./Cargo.lock} Cargo.lock
'';
in
buildPythonPackage {
inherit pname version src postPatch;
format = "setuptools";
disabled = pythonOlder "3.8";
nativeBuildInput = [
setuptools-rust
];
cargoDeps = rustPlatform.fetchCargoTarball {
inherit src postPatch;
name = "${pname}-${version}";
hash = "sha256-27xR7xVH/u40Xl4VbJW/yEbURf0UcGPG5QK/04igseA=";
};
nativeBuildInputs = [
rustPlatform.cargoSetupHook
setuptools-rust
cargo
rustc
];
buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
propagatedBuildInputs = [
requests
regex
blobfile
];
meta = with lib; {
description = "tiktoken is a fast BPE tokeniser for use with OpenAI's models.";
homepage = "https://github.com/openai/tiktoken";
license = licenses.mit;
maintainers = with maintainers; [ happysalada ];
};
}
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