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import asyncio
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import json
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import os
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import re
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import uuid
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from queue import Queue
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import websockets
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from Config import Config
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from Util.TTS_Protocols import full_client_request, receive_message, MsgType, EventType
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# 添加必要的导入
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from Util.XueBanUtil import get_xueban_response_async
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async def stream_and_split_text(query_text=None, llm_stream=None):
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"""
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流式获取LLM输出并按句子分割
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@param query_text: 查询文本（如果直接提供查询文本）
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@param llm_stream: LLM流式响应生成器（如果已有流式响应）
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@return: 异步生成器，每次产生一个完整句子
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"""
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buffer = ""
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if llm_stream is None and query_text is not None:
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# 如果没有提供llm_stream但有query_text，则使用get_xueban_response_async获取流式响应
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llm_stream = get_xueban_response_async(query_text, stream=True)
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elif llm_stream is None:
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raise ValueError("必须提供query_text或llm_stream参数")
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# 直接处理LLM流式输出
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async for content in llm_stream:
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buffer += content
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# 使用正则表达式检测句子结束
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sentences = re.split(r'([。！？.!?])', buffer)
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if len(sentences) > 1:
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# 提取完整句子
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for i in range(0, len(sentences)-1, 2):
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if i+1 < len(sentences):
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sentence = sentences[i] + sentences[i+1]
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yield sentence
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# 保留不完整的部分
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buffer = sentences[-1]
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# 处理最后剩余的部分
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if buffer:
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yield buffer
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# 修改streaming_tts_pipeline函数
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async def streaming_tts_pipeline(query_text, audio_callback):
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"""
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流式TTS管道：获取LLM流式输出并断句，然后使用TTS合成语音
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Args:
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query_text: 查询文本
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audio_callback: 音频数据回调函数
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"""
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# 1. 获取LLM流式输出并断句
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text_stream = stream_and_split_text(query_text=query_text)
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# 2. 初始化TTS处理器
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tts = StreamingVolcanoTTS()
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# 3. 流式处理文本并生成音频
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await tts.synthesize_stream(text_stream, audio_callback)
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class StreamingVolcanoTTS:
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def __init__(self, voice_type='zh_female_wanwanxiaohe_moon_bigtts', encoding='wav', max_concurrency=2):
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self.voice_type = voice_type
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self.encoding = encoding
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self.app_key = Config.HS_APP_ID
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self.access_token = Config.HS_ACCESS_TOKEN
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self.endpoint = "wss://openspeech.bytedance.com/api/v3/tts/unidirectional/stream"
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self.audio_queue = Queue()
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self.max_concurrency = max_concurrency # 最大并发数
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self.semaphore = asyncio.Semaphore(max_concurrency) # 并发控制信号量
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@staticmethod
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def get_resource_id(voice: str) -> str:
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if voice.startswith("S_"):
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return "volc.megatts.default"
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return "volc.service_type.10029"
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async def synthesize_stream(self, text_stream, audio_callback):
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"""
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流式合成语音
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Args:
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text_stream: 文本流生成器
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audio_callback: 音频数据回调函数，接收音频片段
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"""
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# 实时处理每个文本片段（删除任务列表和gather）
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async for text in text_stream:
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if text.strip():
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await self._synthesize_single_with_semaphore(text, audio_callback)
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async def _synthesize_single_with_semaphore(self, text, audio_callback):
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"""使用信号量控制并发数的单个文本合成"""
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async with self.semaphore: # 获取信号量，限制并发数
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await self._synthesize_single(text, audio_callback)
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async def _synthesize_single(self, text, audio_callback):
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"""合成单个文本片段"""
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headers = {
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"X-Api-App-Key": self.app_key,
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"X-Api-Access-Key": self.access_token,
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"X-Api-Resource-Id": self.get_resource_id(self.voice_type),
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"X-Api-Connect-Id": str(uuid.uuid4()),
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}
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websocket = await websockets.connect(
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self.endpoint, additional_headers=headers, max_size=10 * 1024 * 1024
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)
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try:
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request = {
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"user": {
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"uid": str(uuid.uuid4()),
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},
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"req_params": {
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"speaker": self.voice_type,
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"audio_params": {
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"format": self.encoding,
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"sample_rate": 24000,
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"enable_timestamp": True,
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},
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"text": text,
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"additions": json.dumps({"disable_markdown_filter": False}),
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},
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}
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# 发送请求
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await full_client_request(websocket, json.dumps(request).encode())
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# 接收音频数据
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audio_data = bytearray()
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while True:
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msg = await receive_message(websocket)
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if msg.type == MsgType.FullServerResponse:
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if msg.event == EventType.SessionFinished:
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break
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elif msg.type == MsgType.AudioOnlyServer:
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audio_data.extend(msg.payload)
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else:
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raise RuntimeError(f"TTS conversion failed: {msg}")
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# 通过回调函数返回音频数据
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if audio_data:
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await audio_callback(audio_data)
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finally:
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await websocket.close()
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async def streaming_tts_pipeline(prompt, audio_callback):
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"""
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流式TTS管道：获取LLM流式输出并断句，然后使用TTS合成语音
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Args:
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prompt: 提示文本
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audio_callback: 音频数据回调函数
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"""
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# 1. 获取LLM流式输出并断句
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text_stream = stream_and_split_text(prompt)
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# 2. 初始化TTS处理器
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tts = StreamingVolcanoTTS()
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# 3. 流式处理文本并生成音频
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await tts.synthesize_stream(text_stream, audio_callback)
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def save_audio_callback(output_dir=None):
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"""
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创建一个音频回调函数，用于保存音频数据到文件
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Args:
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output_dir: 输出目录，默认为当前文件所在目录下的output文件夹
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Returns:
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音频回调函数
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"""
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if output_dir is None:
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output_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "output")
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# 确保输出目录存在
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os.makedirs(output_dir, exist_ok=True)
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def callback(audio_data):
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# 生成文件名
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filename = f"pipeline_tts_{uuid.uuid4().hex[:8]}.wav"
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filepath = os.path.join(output_dir, filename)
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# 保存音频文件
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with open(filepath, "wb") as f:
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f.write(audio_data)
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print(f"音频片段已保存到: {filepath} ({len(audio_data)} 字节)")
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return callback
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async def test_pipeline():
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"""
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测试流式TTS管道
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"""
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# 创建音频回调函数
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audio_handler = save_audio_callback()
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# 测试提示
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prompt = "请详细解释一下量子力学的基本原理，包括波粒二象性、不确定性原理和薛定谔方程。"
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print("开始测试流式TTS管道...")
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print(f"测试提示: {prompt}")
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print("等待LLM生成文本并转换为语音...")
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# 运行管道
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await streaming_tts_pipeline(prompt, audio_handler)
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print("流式TTS管道测试完成！")
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def main():
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"""
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主函数，运行测试
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"""
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asyncio.run(test_pipeline())
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if __name__ == "__main__":
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main()
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@@ -50,7 +50,7 @@ async def get_xueban_response_async(query_text: str, stream: bool = True):
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zhishiContent = f.read()
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zhishiContent = "选择作答的相应知识内容:" + zhishiContent + "\n"
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query_text = zhishiContent + "下面是用户提的问题：" + query_text
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logger.info("query_text: " + query_text)
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#logger.info("query_text: " + query_text)
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try:
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# 创建请求
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