Method _iter_indented_subactions

Lib/argparse.py:731–739

(self, action)

        return _re.sub(fmt_spec, colorize, help_string, flags=_re.VERBOSE)

    def _iter_indented_subactions(self, action):
        try:
            get_subactions = action._get_subactions
        except AttributeError:
            pass
        else:
            self._indent()
            yield from get_subactions()
            self._dedent()

    def _split_lines(self, text, width):
        text = self._whitespace_matcher.sub(' ', text).strip()