anchor.diff:  { lib
   , stdenv
   , fetchFromGitHub
  -, fetchpatch
   , buildPythonPackage
   , pytestCheckHook
   , sysctl
  
positive.code: 
  buildPythonPackage rec {
    pname = "py-cpuinfo";
    version = "7.0.0";
  
    src = fetchFromGitHub {
       owner = "workhorsy";
       repo = pname;
       rev = "v${version}";
       sha256 = "10qfaibyb2syiwiyv74l7d97vnmlk079qirgnw3ncklqjs0s3gbi";
    };
  
    patches = [
      # Make it detect Apple Silicon, remove after https://github.com/workhorsy/py-cpuinfo/pull/161 is merged.
      (fetchpatch {
        url = "https://github.com/workhorsy/py-cpuinfo/commit/54c32da6678f9d75ec5acf4534056cdc85c2a04d.patch";
        sha256 = "sha256-3R46KrpACAQ1V0CQtz48V5mQXxvplUQrXnACtiE8WqY=";
      })
      # Continuation of the patch above
      (fetchpatch {
        url = "https://github.com/workhorsy/py-cpuinfo/commit/0d00f4b99750f292c85ff23e1039ea9489cb7ec8.patch";
        sha256 = "sha256-mHoXoCAEG2v3xpQppRFWzSvhYCp5i9CZkbEgtiLVzMs=";
      })
    ];
  
    checkInputs = [
      pytestCheckHook
  
negative.code:       --replace "_run_and_get_stdout(['sysctl'" "_run_and_get_stdout(['${sysctl}/bin/sysctl'"
    '';
  
    pythonImportsCheck = [ "cpuinfo" ];
  
    meta = with lib; {
      description = "Get CPU info with pure Python";
      longDescription = ''
        Py-cpuinfo gets CPU info with pure Python and should work without any
        extra programs or libraries, beyond what your OS provides. It does not
        require any compilation (C/C++, assembly, etc.) to use and works with
        Python.
      '';
      homepage = "https://github.com/workhorsy/py-cpuinfo";
      changelog = "https://github.com/workhorsy/py-cpuinfo/blob/v${version}/ChangeLog";
      license = licenses.mit;
      maintainers = with maintainers; [ costrouc ];
    };
  }
  