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{ stdenv
, lib
, fetchFromGitHub
, python3
, unstableGitUpdater
}:
stdenv.mkDerivation rec {
pname = "klipper";
version = "unstable-2022-06-18";
src = fetchFromGitHub {
owner = "KevinOConnor";
repo = "klipper";
rev = "d3c4ba4839dd7a4339ae024752e6c6424884c185";
sha256 = "sha256-2Fq56JIk5qcKpWffz1k/EJ+xYAnUpuxvCryq88l//8E=";
};
sourceRoot = "source/klippy";
# NB: This is needed for the postBuild step
nativeBuildInputs = [ (python3.withPackages ( p: with p; [ cffi ] )) ];
buildInputs = [ (python3.withPackages (p: with p; [ cffi pyserial greenlet jinja2 markupsafe ])) ];
# we need to run this to prebuild the chelper.
postBuild = "python ./chelper/__init__.py";
# 2022-06-28: Python 3 is already supported in klipper, alas shebangs remained
# the same - we replace them in patchPhase.
patchPhase = ''
for F in klippy.py console.py parsedump.py; do
substituteInPlace $F \
--replace '/usr/bin/env python2' '/usr/bin/env python'
done
'';
# NB: We don't move the main entry point into `/bin`, or even symlink it,
# because it uses relative paths to find necessary modules. We could wrap but
# this is used 99% of the time as a service, so it's not worth the effort.
installPhase = ''
runHook preInstall
mkdir -p $out/lib/klipper
cp -r ./* $out/lib/klipper
# Moonraker expects `config_examples` and `docs` to be available
# under `klipper_path`
cp -r $src/docs $out/lib/docs
cp -r $src/config $out/lib/config
chmod 755 $out/lib/klipper/klippy.py
runHook postInstall
'';
passthru.updateScript = unstableGitUpdater { url = meta.homepage; };
meta = with lib; {
description = "The Klipper 3D printer firmware";
homepage = "https://github.com/KevinOConnor/klipper";
maintainers = with maintainers; [ lovesegfault zhaofengli cab404 ];
platforms = platforms.linux;
license = licenses.gpl3Only;
};
}
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