fields.py 文件源码

def get_select_multiple_field(answer, label, guidance, error_messages):
    validate_with = get_mandatory_validator(answer, error_messages, 'MANDATORY_CHECKBOX')

    return SelectMultipleField(
        label=label,
        description=guidance,
        choices=build_choices(answer['options']),
        validators=validate_with,
    )