126 lines
3.2 KiB
Nix
126 lines
3.2 KiB
Nix
{
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stdenv,
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lib,
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fetchFromGitHub,
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python3,
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extraPythonPackages ? ps: [ ],
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unstableGitUpdater,
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makeWrapper,
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writeShellScript,
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}:
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stdenv.mkDerivation rec {
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pname = "klipper";
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version = "0.13.0-unstable-2025-08-03";
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src = fetchFromGitHub {
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owner = "KevinOConnor";
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repo = "klipper";
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rev = "5eb07966b5d7e1534aa40df3b0ea305f5c6d9ae2";
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sha256 = "sha256-AUK0vGhz1ZvVtEpVto/Qlp4+3PGsjOTBzj8Ik8sfmRQ=";
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};
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sourceRoot = "${src.name}/klippy";
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# NB: This is needed for the postBuild step
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nativeBuildInputs = [
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(python3.withPackages (p: with p; [ cffi ]))
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makeWrapper
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];
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buildInputs = [
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(python3.withPackages (
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p:
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with p;
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[
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python-can
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cffi
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pyserial
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greenlet
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jinja2
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markupsafe
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numpy
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]
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++ extraPythonPackages p
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))
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];
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# we need to run this to prebuild the chelper.
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postBuild = ''
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python ./chelper/__init__.py
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'';
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# Python 3 is already supported but shebangs aren't updated yet
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postPatch = ''
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for file in klippy.py console.py parsedump.py; do
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substituteInPlace $file \
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--replace '/usr/bin/env python2' '/usr/bin/env python'
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done
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# needed for cross compilation
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substituteInPlace ./chelper/__init__.py \
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--replace 'GCC_CMD = "gcc"' 'GCC_CMD = "${stdenv.cc.targetPrefix}cc"'
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'';
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pythonInterpreter =
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(python3.withPackages (
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p: with p; [
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numpy
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matplotlib
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]
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)).interpreter;
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pythonScriptWrapper = writeShellScript pname ''
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${pythonInterpreter} "@out@/lib/scripts/@script@" "$@"
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'';
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# NB: We don't move the main entry point into `/bin`, or even symlink it,
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# because it uses relative paths to find necessary modules. We could wrap but
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# this is used 99% of the time as a service, so it's not worth the effort.
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installPhase = ''
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runHook preInstall
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mkdir -p $out/lib/klipper
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cp -r ./* $out/lib/klipper
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# Moonraker expects `config_examples` and `docs` to be available
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# under `klipper_path`
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cp -r $src/docs $out/lib/docs
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cp -r $src/config $out/lib/config
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cp -r $src/scripts $out/lib/scripts
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cp -r $src/klippy $out/lib/klippy
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# Add version information. For the normal procedure see https://www.klipper3d.org/Packaging.html#versioning
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# This is done like this because scripts/make_version.py is not available when sourceRoot is set to "${src.name}/klippy"
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echo "${version}-NixOS" > $out/lib/klipper/.version
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mkdir -p $out/bin
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chmod 755 $out/lib/klipper/klippy.py
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makeWrapper $out/lib/klipper/klippy.py $out/bin/klippy --chdir $out/lib/klipper
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substitute "$pythonScriptWrapper" "$out/bin/klipper-calibrate-shaper" \
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--subst-var "out" \
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--subst-var-by "script" "calibrate_shaper.py"
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chmod 755 "$out/bin/klipper-calibrate-shaper"
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runHook postInstall
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'';
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passthru.updateScript = unstableGitUpdater {
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url = meta.homepage;
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tagPrefix = "v";
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};
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meta = with lib; {
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description = "Klipper 3D printer firmware";
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mainProgram = "klippy";
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homepage = "https://github.com/KevinOConnor/klipper";
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maintainers = with maintainers; [
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lovesegfault
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zhaofengli
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cab404
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];
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platforms = platforms.linux;
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license = licenses.gpl3Only;
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};
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}
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