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{ lib
, buildPythonPackage
, fetchFromGitHub
, scikit-build
, cmake
, ush
, requests
, numpy
, cffi
, openfst
, substituteAll
, callPackage
}:
let
kaldi = callPackage ./fork.nix { };
in
buildPythonPackage rec {
pname = "kaldi-active-grammar";
version = "2.1.0";
src = fetchFromGitHub {
owner = "daanzu";
repo = pname;
rev = "v${version}";
sha256 = "ArbwduoH7mMmIjlFfYAFvcpR39rrkVUJhYEyQzZqsbY=";
};
KALDI_BRANCH = "foo";
KALDIAG_SETUP_RAW = "1";
patches = [
# Makes sure scikit-build doesn't try to build the dependencies for us
./0001-stub.patch
# Uses the dependencies' binaries from $PATH instead of a specific directory
./0002-exec-path.patch
# Makes it dynamically link to the correct Kaldi library
(substituteAll {
src = ./0003-ffi-path.patch;
kaldiFork = "${kaldi}/lib";
})
];
# scikit-build puts us in the wrong folder. That is bad.
preBuild = ''
cd ..
'';
buildInputs = [ openfst kaldi ];
nativeBuildInputs = [ scikit-build cmake ];
propagatedBuildInputs = [ ush requests numpy cffi ];
meta = with lib; {
description = "Python Kaldi speech recognition";
homepage = "https://github.com/daanzu/kaldi-active-grammar";
license = licenses.agpl3Plus;
maintainers = with maintainers; [ ckie ];
# Other platforms are supported upstream.
platforms = platforms.linux;
};
}
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