def _extract_cli_options(
attrdict, ) -> List[Tuple[str, Union[_Option, _MutuallyExclusiveGroup]]]:
"""Returns any members that are CLI options as a list of tuples on the form
(member_name, option).
"""
return [(key, value) for key, value in attrdict.items()
if cli.is_cli_arg(value)]
def _flatten_arg(arg_tup):
name, arg = arg_tup
assert cli.is_cli_arg(arg)
if isinstance(arg, _MutuallyExclusiveGroup):
return itertools.chain.from_iterable(map(_flatten_arg, arg.options))
else:
return [arg_tup]