Google Cloud 文本转语音操作符¶

先决条件任务¶

要使用这些操作符，您必须执行以下几项操作

使用 Cloud Console 选择或创建 Cloud Platform 项目。

按照 Google Cloud 文档中的说明，为您的项目启用结算功能。

按照 Cloud Console 文档中的说明，启用 API。
通过 pip 安装 API 库。
pip install 'apache-airflow[google]'
有关详细信息，请参阅安装。
设置 Google Cloud 连接.

CloudTextToSpeechSynthesizeOperator¶

将文本合成为音频文件并将其存储到 Google Cloud Storage

有关参数定义，请查看 CloudTextToSpeechSynthesizeOperator

参数¶

input、voice 和 audio_config 参数需要是字典或来自 google.cloud.texttospeech_v1.types 模块的相应类的对象

有关详细信息，请参阅：https://googleapis.github.io/google-cloud-python/latest/texttospeech/gapic/v1/api.html#google.cloud.texttospeech_v1.TextToSpeechClient.synthesize_speech

tests/system/google/cloud/text_to_speech/example_text_to_speech.py[源代码]

INPUT = {"text": "Sample text for demo purposes"}
VOICE = {"language_code": "en-US", "ssml_gender": "FEMALE"}
AUDIO_CONFIG = {"audio_encoding": "LINEAR16"}

filename 参数是一个简单的字符串参数

tests/system/google/cloud/text_to_speech/example_text_to_speech.py[源代码]

FILENAME = "gcp-speech-test-file"

使用操作符¶

tests/system/google/cloud/text_to_speech/example_text_to_speech.py[源代码]

text_to_speech_synthesize_task = CloudTextToSpeechSynthesizeOperator(
    input_data=INPUT,
    voice=VOICE,
    audio_config=AUDIO_CONFIG,
    target_bucket_name=BUCKET_NAME,
    target_filename=FILENAME,
    task_id="text_to_speech_synthesize_task",
)

模板化¶

template_fields: Sequence[str] = (
    "input_data",
    "voice",
    "audio_config",
    "project_id",
    "gcp_conn_id",
    "target_bucket_name",
    "target_filename",
    "impersonation_chain",
)

参考¶

有关更多信息，请参阅