文本转mp3

def text_to_mp3(text):
    """
    文本转mp3

    参数:
    text (str): 要转换的文字

    返回:
    str: mp3文件路径
    """
    output_file = None
    # 内部定义异步函数
    async def _amain():
        nonlocal output_file
        VOICE = "zh-CN-YunxiNeural"  # zh-CN-YunxiNeural  zh-CN-XiaoxiaoNeural
        RATE = "+30%"                 # 调整语速
        communicate = edge_tts.Communicate(text, VOICE, rate=RATE)
        # 输出文件名 %Y%m%d_%H%M%S
        file_path   =  datetime.datetime.now().strftime("%m%d_%H%M%S") + ".mp3"
        output_file = save_path + file_path
        try:
            with open(output_file, "wb") as file:
                async for chunk in communicate.stream():
                    if chunk["type"] == "audio":
                        file.write(chunk["data"])
                    elif chunk["type"] == "WordBoundary":
                        # print(f"WordBoundary: {chunk}")
                        pass
            # 确保文件已正确创建并且有内容
            if Path(output_file).stat().st_size > 0:
                return return_dict(200, "转换成功", {"mp3_path": file_path})
            else:
                return return_dict(400, "mp3文件为空")
        except Exception as e:
            return return_dict(400, f"报错信息：{e}")

    # 使用 asyncio.run 来运行异步函数，对外表现为同步调用
    return asyncio.run(_amain())