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import traceback |
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from .elevenlabs_tts import ElevenLabsTTS, ElevenLabsTTSConfig |
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from ten import ( |
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AsyncTenEnv, |
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) |
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from ten_ai_base.tts import AsyncTTSBaseExtension |
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class ElevenLabsTTSExtension(AsyncTTSBaseExtension): |
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def __init__(self, name: str) -> None: |
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super().__init__(name) |
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self.config = None |
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self.client = None |
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async def on_init(self, ten_env: AsyncTenEnv) -> None: |
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await super().on_init(ten_env) |
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ten_env.log_debug("on_init") |
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async def on_start(self, ten_env: AsyncTenEnv) -> None: |
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try: |
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await super().on_start(ten_env) |
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ten_env.log_debug("on_start") |
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self.config = await ElevenLabsTTSConfig.create_async(ten_env=ten_env) |
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if not self.config.api_key: |
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raise ValueError("api_key is required") |
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self.client = ElevenLabsTTS(self.config) |
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except Exception: |
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ten_env.log_error(f"on_start failed: {traceback.format_exc()}") |
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async def on_stop(self, ten_env: AsyncTenEnv) -> None: |
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await super().on_stop(ten_env) |
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ten_env.log_debug("on_stop") |
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async def on_deinit(self, ten_env: AsyncTenEnv) -> None: |
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await super().on_deinit(ten_env) |
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ten_env.log_debug("on_deinit") |
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async def on_request_tts( |
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self, ten_env: AsyncTenEnv, input_text: str, end_of_segment: bool |
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) -> None: |
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audio_stream = await self.client.text_to_speech_stream(input_text) |
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ten_env.log_info(f"on_request_tts: {input_text}") |
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async for audio_data in audio_stream: |
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await self.send_audio_out(ten_env, audio_data) |
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ten_env.log_info(f"on_request_tts: {input_text} done") |
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async def on_cancel_tts(self, ten_env: AsyncTenEnv) -> None: |
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return await super().on_cancel_tts(ten_env) |
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