def key_print(data, key="", start=True):
    result = ""
    if isinstance(data, list):
        for i, value in enumerate(data):
            result += key_print(value, key=f"{key}.{i}", start=False)
    elif isinstance(data, dict):
        for k, value in sorted(data.items()):
            result += key_print(value, key=k if start else f"{key}.{k}", start=False)
    else:
        result += f"{key}: {data}\n"
    return result


# yaml.dump() would be done the same, but needs an additional dependency...
def pretty_print(data, key="", intend=0, is_list=False, whitespace="  "):
    result = ""
    if isinstance(data, list):
        if key:
            result += f"{whitespace * intend}{'- ' if is_list else ''}{key}:\n"
            intend += 1
        for i, value in enumerate(data):
            result += pretty_print(
                value, intend=intend, is_list=True, whitespace=whitespace
            )
    elif isinstance(data, dict):
        if key:
            result += f"{whitespace * intend}{'- ' if is_list else ''}{key}:\n"
            intend += 1
        for i, (key, value) in enumerate(sorted(data.items())):
            if is_list and not i:
                result += pretty_print(
                    value, key=key, intend=intend, is_list=True, whitespace=whitespace
                )
            elif is_list:
                result += pretty_print(
                    value, key=key, intend=intend + 1, whitespace=whitespace
                )
            else:
                result += pretty_print(
                    value, key=key, intend=intend, whitespace=whitespace
                )
    else:
        result += f"{whitespace * intend}{'- ' if is_list else ''}{key}{': ' if key else ''}{data}\n"
    return result


def create_command(commands, concat=False):
    result = {}
    for name, command in commands.items():
        if not concat:
            result[name] = {}
        for parameter, data in command.parameters.items():
            if data.typology == "enum":
                value = data.values
            elif data.typology == "range":
                value = {"min": data.min, "max": data.max, "step": data.step}
            else:
                continue
            if not concat:
                result[name][parameter] = value
            else:
                result[f"{name}.{parameter}"] = value
    return result