实现Claude聊天功能
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request_llm/bridge_claude.py
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296
request_llm/bridge_claude.py
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from .bridge_newbing import preprocess_newbing_out, preprocess_newbing_out_simple
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from multiprocessing import Process, Pipe
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from toolbox import update_ui, get_conf, trimmed_format_exc
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import threading
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import importlib
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import logging
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import time
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from toolbox import get_conf
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from slack_sdk.errors import SlackApiError
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from slack_sdk.web.async_client import AsyncWebClient
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import asyncio
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import sys
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sys.path.append('..')
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"""
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========================================================================
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第一部分：Slack API Client
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https://github.com/yokonsan/claude-in-slack-api
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========================================================================
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"""
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load_message = "正在加载Claude组件，请稍候..."
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class SlackClient(AsyncWebClient):
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"""SlackClient类用于与Slack API进行交互，实现消息发送、接收等功能。
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属性：
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- CHANNEL_ID：str类型，表示频道ID。
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方法：
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- open_channel()：异步方法。通过调用conversations_open方法打开一个频道，并将返回的频道ID保存在属性CHANNEL_ID中。
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- chat(text: str)：异步方法。向已打开的频道发送一条文本消息。
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- get_slack_messages()：异步方法。获取已打开频道的最新消息并返回消息列表，目前不支持历史消息查询。
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- get_reply()：异步方法。循环监听已打开频道的消息，如果收到"Typing…_"结尾的消息说明Claude还在继续输出，否则结束循环。
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"""
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CHANNEL_ID = None
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async def open_channel(self):
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response = await self.conversations_open(users=get_conf('CLAUDE_BOT_ID')[0])
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self.CHANNEL_ID = response["channel"]["id"]
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async def chat(self, text):
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if not self.CHANNEL_ID:
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raise Exception("Channel not found.")
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resp = await self.chat_postMessage(channel=self.CHANNEL_ID, text=text)
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self.LAST_TS = resp["ts"]
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async def get_slack_messages(self):
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try:
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# TODO：暂时不支持历史消息，因为在同一个频道里存在多人使用时历史消息渗透问题
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resp = await self.conversations_history(channel=self.CHANNEL_ID, oldest=self.LAST_TS, limit=1)
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msg = [msg for msg in resp["messages"]
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if msg.get("user") == get_conf('CLAUDE_BOT_ID')[0]]
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return msg
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except (SlackApiError, KeyError) as e:
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raise RuntimeError(f"获取Slack消息失败。")
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async def get_reply(self):
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while True:
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slack_msgs = await self.get_slack_messages()
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if len(slack_msgs) == 0:
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await asyncio.sleep(0.5)
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continue
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msg = slack_msgs[-1]
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if msg["text"].endswith("Typing…_"):
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yield False, msg["text"]
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else:
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yield True, msg["text"]
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break
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"""
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========================================================================
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第二部分：子进程Worker（调用主体）
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========================================================================
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"""
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class ClaudeHandle(Process):
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def __init__(self):
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super().__init__(daemon=True)
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self.parent, self.child = Pipe()
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self.claude_model = None
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self.info = ""
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self.success = True
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self.local_history = []
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self.check_dependency()
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self.start()
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self.threadLock = threading.Lock()
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def check_dependency(self):
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try:
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self.success = False
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import slack_sdk
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self.info = "依赖检测通过，等待Claude响应。注意目前不能多人同时调用Claude接口（有线程锁），否则将导致每个人的Claude问询历史互相渗透。调用Claude时，会自动使用已配置的代理。"
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self.success = True
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except:
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self.info = "缺少的依赖，如果要使用Claude，除了基础的pip依赖以外，您还需要运行`pip install -r request_llm/requirements_claude.txt`安装Claude的依赖。"
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self.success = False
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def ready(self):
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return self.claude_model is not None
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async def async_run(self):
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await self.claude_model.open_channel()
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while True:
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# 等待
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kwargs = self.child.recv()
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question = kwargs['query']
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history = kwargs['history']
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# system_prompt=kwargs['system_prompt']
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# 是否重置
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if len(self.local_history) > 0 and len(history) == 0:
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await self.claude_model.reset()
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self.local_history = []
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# 开始问问题
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prompt = ""
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# Slack API最好不要添加系统提示
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# if system_prompt not in self.local_history:
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# self.local_history.append(system_prompt)
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# prompt += system_prompt + '\n'
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# 追加历史
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for ab in history:
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a, b = ab
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if a not in self.local_history:
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self.local_history.append(a)
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prompt += a + '\n'
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# if b not in self.local_history:
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# self.local_history.append(b)
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# prompt += b + '\n'
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# 问题
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prompt += question
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self.local_history.append(question)
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print('question:', prompt)
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# 提交
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await self.claude_model.chat(prompt)
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# 获取回复
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# async for final, response in self.claude_model.get_reply():
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# await self.handle_claude_response(final, response)
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async for final, response in self.claude_model.get_reply():
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if not final:
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print(response)
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self.child.send(str(response))
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else:
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# 防止丢失最后一条消息
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slack_msgs = await self.claude_model.get_slack_messages()
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last_msg = slack_msgs[-1]["text"] if slack_msgs and len(slack_msgs) > 0 else ""
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if last_msg:
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self.child.send(last_msg)
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print('-------- receive final ---------')
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self.child.send('[Finish]')
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def run(self):
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"""
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这个函数运行在子进程
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"""
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# 第一次运行，加载参数
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self.success = False
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self.local_history = []
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if (self.claude_model is None) or (not self.success):
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# 代理设置
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proxies, = get_conf('proxies')
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if proxies is None:
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self.proxies_https = None
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else:
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self.proxies_https = proxies['https']
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try:
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SLACK_USER_TOKEN, = get_conf('SLACK_USER_TOKEN')
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self.claude_model = SlackClient(token=SLACK_USER_TOKEN, proxy=self.proxies_https)
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print('Claude组件初始化成功。')
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except:
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self.success = False
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tb_str = '\n```\n' + trimmed_format_exc() + '\n```\n'
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self.child.send(f'[Local Message] 不能加载Claude组件。{tb_str}')
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self.child.send('[Fail]')
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self.child.send('[Finish]')
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raise RuntimeError(f"不能加载Claude组件。")
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self.success = True
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try:
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# 进入任务等待状态
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asyncio.run(self.async_run())
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except Exception:
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tb_str = '```\n' + trimmed_format_exc() + '```'
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self.child.send(f'[Local Message] Claude失败 {tb_str}.')
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self.child.send('[Fail]')
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self.child.send('[Finish]')
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def stream_chat(self, **kwargs):
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"""
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这个函数运行在主进程
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"""
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self.threadLock.acquire()
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self.parent.send(kwargs) # 发送请求到子进程
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while True:
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res = self.parent.recv() # 等待Claude回复的片段
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if res == '[Finish]':
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break # 结束
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elif res == '[Fail]':
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self.success = False
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break
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else:
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yield res # Claude回复的片段
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self.threadLock.release()
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"""
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========================================================================
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第三部分：主进程统一调用函数接口
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========================================================================
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"""
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global claude_handle
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claude_handle = None
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def predict_no_ui_long_connection(inputs, llm_kwargs, history=[], sys_prompt="", observe_window=None, console_slience=False):
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"""
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多线程方法
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函数的说明请见 request_llm/bridge_all.py
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"""
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global claude_handle
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if (claude_handle is None) or (not claude_handle.success):
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claude_handle = ClaudeHandle()
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observe_window[0] = load_message + "\n\n" + claude_handle.info
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if not claude_handle.success:
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error = claude_handle.info
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claude_handle = None
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raise RuntimeError(error)
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# 没有 sys_prompt 接口，因此把prompt加入 history
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history_feedin = []
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for i in range(len(history)//2):
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history_feedin.append([history[2*i], history[2*i+1]])
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watch_dog_patience = 5 # 看门狗 (watchdog) 的耐心, 设置5秒即可
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response = ""
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observe_window[0] = "[Local Message]: 等待Claude响应中 ..."
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for response in claude_handle.stream_chat(query=inputs, history=history_feedin, system_prompt=sys_prompt, max_length=llm_kwargs['max_length'], top_p=llm_kwargs['top_p'], temperature=llm_kwargs['temperature']):
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observe_window[0] = preprocess_newbing_out_simple(response)
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if len(observe_window) >= 2:
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if (time.time()-observe_window[1]) > watch_dog_patience:
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raise RuntimeError("程序终止。")
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return preprocess_newbing_out_simple(response)
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def predict(inputs, llm_kwargs, plugin_kwargs, chatbot, history=[], system_prompt='', stream=True, additional_fn=None):
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"""
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单线程方法
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函数的说明请见 request_llm/bridge_all.py
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"""
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chatbot.append((inputs, "[Local Message]: 等待Claude响应中 ..."))
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global claude_handle
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if (claude_handle is None) or (not claude_handle.success):
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claude_handle = ClaudeHandle()
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chatbot[-1] = (inputs, load_message + "\n\n" + claude_handle.info)
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yield from update_ui(chatbot=chatbot, history=[])
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if not claude_handle.success:
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claude_handle = None
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return
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if additional_fn is not None:
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import core_functional
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importlib.reload(core_functional) # 热更新prompt
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core_functional = core_functional.get_core_functions()
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if "PreProcess" in core_functional[additional_fn]:
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inputs = core_functional[additional_fn]["PreProcess"](
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inputs) # 获取预处理函数（如果有的话）
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inputs = core_functional[additional_fn]["Prefix"] + \
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inputs + core_functional[additional_fn]["Suffix"]
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history_feedin = []
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for i in range(len(history)//2):
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history_feedin.append([history[2*i], history[2*i+1]])
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chatbot[-1] = (inputs, "[Local Message]: 等待Claude响应中 ...")
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response = "[Local Message]: 等待Claude响应中 ..."
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yield from update_ui(chatbot=chatbot, history=history, msg="Claude响应缓慢，尚未完成全部响应，请耐心完成后再提交新问题。")
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for response in claude_handle.stream_chat(query=inputs, history=history_feedin, system_prompt=system_prompt):
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chatbot[-1] = (inputs, preprocess_newbing_out(response))
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yield from update_ui(chatbot=chatbot, history=history, msg="Claude响应缓慢，尚未完成全部响应，请耐心完成后再提交新问题。")
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if response == "[Local Message]: 等待Claude响应中 ...":
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response = "[Local Message]: Claude响应异常，请刷新界面重试 ..."
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history.extend([inputs, response])
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logging.info(f'[raw_input] {inputs}')
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logging.info(f'[response] {response}')
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yield from update_ui(chatbot=chatbot, history=history, msg="完成全部响应，请提交新问题。")
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1
request_llm/requirements_claude.txt
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1
request_llm/requirements_claude.txt
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slack-sdk==3.21.3
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