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| import logging |
| from abc import ABC |
| from api.db import LLMType |
| from api.db.services.llm_service import LLMBundle |
| from agent.component import GenerateParam, Generate |
|
|
|
|
| class RewriteQuestionParam(GenerateParam): |
|
|
| """ |
| Define the QuestionRewrite component parameters. |
| """ |
| def __init__(self): |
| super().__init__() |
| self.temperature = 0.9 |
| self.prompt = "" |
|
|
| def check(self): |
| super().check() |
|
|
| def get_prompt(self, conv): |
| self.prompt = """ |
| You are an expert at query expansion to generate a paraphrasing of a question. |
| I can't retrieval relevant information from the knowledge base by using user's question directly. |
| You need to expand or paraphrase user's question by multiple ways such as using synonyms words/phrase, |
| writing the abbreviation in its entirety, adding some extra descriptions or explanations, |
| changing the way of expression, translating the original question into another language (English/Chinese), etc. |
| And return 5 versions of question and one is from translation. |
| Just list the question. No other words are needed. |
| """ |
| return f""" |
| Role: A helpful assistant |
| Task: Generate a full user question that would follow the conversation. |
| Requirements & Restrictions: |
| - Text generated MUST be in the same language of the original user's question. |
| - If the user's latest question is completely, don't do anything, just return the original question. |
| - DON'T generate anything except a refined question. |
| |
| ###################### |
| -Examples- |
| ###################### |
| # Example 1 |
| ## Conversation |
| USER: What is the name of Donald Trump's father? |
| ASSISTANT: Fred Trump. |
| USER: And his mother? |
| ############### |
| Output: What's the name of Donald Trump's mother? |
| ------------ |
| # Example 2 |
| ## Conversation |
| USER: What is the name of Donald Trump's father? |
| ASSISTANT: Fred Trump. |
| USER: And his mother? |
| ASSISTANT: Mary Trump. |
| User: What's her full name? |
| ############### |
| Output: What's the full name of Donald Trump's mother Mary Trump? |
| ###################### |
| # Real Data |
| ## Conversation |
| {conv} |
| ############### |
| """ |
| return self.prompt |
|
|
|
|
| class RewriteQuestion(Generate, ABC): |
| component_name = "RewriteQuestion" |
|
|
| def _run(self, history, **kwargs): |
| hist = self._canvas.get_history(self._param.message_history_window_size) |
| conv = [] |
| for m in hist: |
| if m["role"] not in ["user", "assistant"]: |
| continue |
| conv.append("{}: {}".format(m["role"].upper(), m["content"])) |
| conv = "\n".join(conv) |
|
|
| chat_mdl = LLMBundle(self._canvas.get_tenant_id(), LLMType.CHAT, self._param.llm_id) |
| ans = chat_mdl.chat(self._param.get_prompt(conv), [{"role": "user", "content": "Output: "}], |
| self._param.gen_conf()) |
| self._canvas.history.pop() |
| self._canvas.history.append(("user", ans)) |
|
|
| logging.debug(ans) |
| return RewriteQuestion.be_output(ans) |
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