def METHOD_NAME(self):  # noqa: C901
    if self.plat_name is None:
        self.plat_name = get_platform()
    else:
        # plat-name only supported for windows (other platforms are
        # supported via ./configure flags, if at all).  Avoid misleading
        # other platforms.
        if os.name != 'nt':
            raise DistutilsOptionError(
                "--plat-name only supported on Windows (try "
                "using './configure --help' on your platform)"
            )
    plat_specifier = ".{}-{}".format(self.plat_name, sys.implementation.cache_tag)
    # Make it so Python 2.x and Python 2.x with --with-pydebug don't
    # share the same build directories. Doing so confuses the build
    # process for C modules
    if hasattr(sys, 'gettotalrefcount'):
        plat_specifier += '-pydebug'
    # 'build_purelib' and 'build_platlib' just default to 'lib' and
    # 'lib.<plat>' under the base build directory.  We only use one of
    # them for a given distribution, though --
    if self.build_purelib is None:
        self.build_purelib = os.path.join(self.build_base, 'lib')
    if self.build_platlib is None:
        self.build_platlib = os.path.join(self.build_base, 'lib' + plat_specifier)
    # 'build_lib' is the actual directory that we will use for this
    # particular module distribution -- if user didn't supply it, pick
    # one of 'build_purelib' or 'build_platlib'.
    if self.build_lib is None:
        if self.distribution.has_ext_modules():
            self.build_lib = self.build_platlib
        else:
            self.build_lib = self.build_purelib
    # 'build_temp' -- temporary directory for compiler turds,
    # "build/temp.<plat>"
    if self.build_temp is None:
        self.build_temp = os.path.join(self.build_base, 'temp' + plat_specifier)
    if self.build_scripts is None:
        self.build_scripts = os.path.join(
            self.build_base, 'scripts-%d.%d' % sys.version_info[:2]
        )
    if self.executable is None and sys.executable:
        self.executable = os.path.normpath(sys.executable)
    if isinstance(self.parallel, str):
        try:
            self.parallel = int(self.parallel)
        except ValueError:
            raise DistutilsOptionError("parallel should be an integer")