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#
# This file is part of TEN Framework, an open source project.
# Licensed under the Apache License, Version 2.0.
# See the LICENSE file for more information.
#
import traceback
from .bytedance_tts import TTSConfig, TTSClient
from ten import (
AsyncTenEnv,
)
from ten_ai_base.tts import AsyncTTSBaseExtension
class BytedanceTTSExtension(AsyncTTSBaseExtension):
def __init__(self, name: str) -> None:
super().__init__(name)
self.config = None
self.client = None
async def on_init(self, ten_env: AsyncTenEnv) -> None:
await super().on_init(ten_env)
ten_env.log_debug("on_init")
async def on_start(self, ten_env: AsyncTenEnv) -> None:
try:
await super().on_start(ten_env)
ten_env.log_debug("on_start")
self.config = await TTSConfig.create_async(ten_env=ten_env)
if not self.config.appid:
raise ValueError("appid is required")
if not self.config.token:
raise ValueError("token is required")
self.client = TTSClient(config=self.config, ten_env=ten_env)
await self.client.connect()
except Exception:
ten_env.log_error(f"on_start failed: {traceback.format_exc()}")
async def on_stop(self, ten_env: AsyncTenEnv) -> None:
if self.client:
await self.client.close()
await super().on_stop(ten_env)
ten_env.log_debug("on_stop")
async def on_deinit(self, ten_env: AsyncTenEnv) -> None:
await super().on_deinit(ten_env)
ten_env.log_debug("on_deinit")
async def on_request_tts(
self, ten_env: AsyncTenEnv, input_text: str, end_of_segment: bool
) -> None:
async for audio_data in self.client.text_to_speech_stream(input_text):
await self.send_audio_out(ten_env, audio_data)
async def on_cancel_tts(self, ten_env: AsyncTenEnv) -> None:
await self.client.cancel()
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