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{ stdenv
, lib
, fetchFromGitHub
, python3
, unstableGitUpdater
, makeWrapper
}:
stdenv.mkDerivation rec {
pname = "klipper";
version = "0.12.0-unstable-2024-07-05";
src = fetchFromGitHub {
owner = "KevinOConnor";
repo = "klipper";
rev = "00cb683def53be4b437bfb3e3a637d2d5879946c";
sha256 = "sha256-OtFUEhCZ8DrDfxKXYnLE/6/d2/4oyJYwSfKvsvbn/II=";
};
sourceRoot = "${src.name}/klippy";
# NB: This is needed for the postBuild step
nativeBuildInputs = [
(python3.withPackages ( p: with p; [ cffi ] ))
makeWrapper
];
buildInputs = [ (python3.withPackages (p: with p; [ can cffi pyserial greenlet jinja2 markupsafe numpy ])) ];
# we need to run this to prebuild the chelper.
postBuild = ''
python ./chelper/__init__.py
'';
# Python 3 is already supported but shebangs aren't updated yet
postPatch = ''
for file in klippy.py console.py parsedump.py; do
substituteInPlace $file \
--replace '/usr/bin/env python2' '/usr/bin/env python'
done
# needed for cross compilation
substituteInPlace ./chelper/__init__.py \
--replace 'GCC_CMD = "gcc"' 'GCC_CMD = "${stdenv.cc.targetPrefix}cc"'
'';
# 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 $out/lib/config
# Add version information. For the normal procedure see https://www.klipper3d.org/Packaging.html#versioning
# This is done like this because scripts/make_version.py is not available when sourceRoot is set to "${src.name}/klippy"
echo "${version}-NixOS" > $out/lib/klipper/.version
mkdir -p $out/bin
chmod 755 $out/lib/klipper/klippy.py
makeWrapper $out/lib/klipper/klippy.py $out/bin/klippy --chdir $out/lib/klipper
runHook postInstall
'';
passthru.updateScript = unstableGitUpdater {
url = meta.homepage;
tagPrefix = "v";
};
meta = with lib; {
description = "Klipper 3D printer firmware";
mainProgram = "klippy";
homepage = "https://github.com/KevinOConnor/klipper";
maintainers = with maintainers; [ lovesegfault zhaofengli cab404 ];
platforms = platforms.linux;
license = licenses.gpl3Only;
};
}
|
