buildPython*: support fixed-point arguments via lib.extendMkDerivation

    "wheel"

  ];

  cleanAttrs = flip removeAttrs [

in

lib.extendMkDerivation {

  constructDrv = stdenv.mkDerivation;

  excludeDrvArgNames = [

    "disabled"

    "checkPhase"

    "checkInputs"

    "build-system"

  ];

in

  extendDrvArgs =

    finalAttrs:

{

  # Build-time dependencies for the package

  nativeBuildInputs ? [ ],

  ...

}@attrs:

let

  # Keep extra attributes from `attrs`, e.g., `patchPhase', etc.

  self = stdenv.mkDerivation (

    finalAttrs:

    let

      getFinalPassthru =

        let

      name = namePrefix + attrs.name or "${finalAttrs.pname}-${finalAttrs.version}";

    in

    (cleanAttrs attrs)

    // {

    {

      inherit name;

      inherit catchConflicts;

            "enabledTests"

          ] attrs

        )

  );

  ;

  # This derivation transformation function must be independent to `attrs`

  # for fixed-point arguments support in the future.

        };

    in

    drv: disablePythonPackage (toPythonModule drv);

in

transformDrv self

}