buildPython*: simplify check-related attribute inheritance (#386489)

    stringLength

    ;

  getOptionalAttrs =

    names: attrs: lib.getAttrs (lib.intersectLists names (lib.attrNames attrs)) attrs;

  leftPadName =

    name: against:

    let

  doCheck ? true,

  disabledTestPaths ? [ ],

  # Allow passing in a custom stdenv to buildPython*

  stdenv ? python.stdenv,

      installCheckPhase = attrs.checkPhase;

    }

    // optionalAttrs (attrs.doCheck or true) (

      optionalAttrs (disabledTestPaths != [ ]) {

        disabledTestPaths = disabledTestPaths;

      }

      // optionalAttrs (attrs ? disabledTests) {

        disabledTests = attrs.disabledTests;

      }

      // optionalAttrs (attrs ? pytestFlags) {

        pytestFlags = attrs.pytestFlags;

      }

      // optionalAttrs (attrs ? pytestFlagsArray) {

        pytestFlagsArray = attrs.pytestFlagsArray;

      }

      // optionalAttrs (attrs ? unittestFlags) {

        unittestFlags = attrs.unittestFlags;

      }

      // optionalAttrs (attrs ? unittestFlagsArray) {

        unittestFlagsArray = attrs.unittestFlagsArray;

      }

      getOptionalAttrs [

        "disabledTestPaths"

        "disabledTests"

        "pytestFlags"

        "pytestFlagsArray"

        "unittestFlags"

        "unittestFlagsArray"

      ] attrs

    )

  );