def _do_one_help(self, arg):
        try:
            # If help_<arg>() exists, then call it.
            func = getattr(self, 'help_' + arg)
        except AttributeError:
            try:
                func = getattr(self, 'do_' + arg)
            except __HOLE__:
                doc = None
            else:
                doc = self._doc_to_help(func)
            if doc:
                sys.stdout.write(doc + '\n')
                sys.stdout.flush()
        else:
            doc = self.strip_initial_spaces(func())
            if doc:
                sys.stdout.write(doc + '\n')
                sys.stdout.flush()
dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Script/Interactive.py/SConsInteractiveCmd._do_one_help