Function _format_button

pywebio/output.py:711–736

Format `buttons` parameter in `put_buttons()`, replace its value with its idx :param buttons: {label:, value:, } (label, value, ) single value, label=value :return: [{value:, label:, }, ...], values

(buttons)

def _format_button(buttons):
    """
    Format `buttons` parameter in `put_buttons()`, replace its value with its idx
    :param buttons:
        {label:, value:, }
        (label, value, )
        single value, label=value

    :return: [{value:, label:, }, ...], values
    """

    btns = []
    values = []
    for idx, btn in enumerate(buttons):
        btn = copy.deepcopy(btn)
        if isinstance(btn, Mapping):
            assert 'value' in btn and 'label' in btn, 'actions item must have value and label key'
        elif isinstance(btn, (list, tuple)):
            assert len(btn) == 2, 'actions item format error'
            btn = dict(zip(('label', 'value'), btn))
        else:
            btn = dict(value=btn, label=btn)
        values.append(btn['value'])
        btn['value'] = idx
        btns.append(btn)
    return btns, values


def put_buttons(buttons: List[Union[Dict[str, Any], Tuple[str, Any], List, str]],