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| # | |
| # Copyright 2024 The InfiniFlow Authors. All Rights Reserved. | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # | |
| import re | |
| from abc import ABC | |
| from api.db import LLMType | |
| from api.db.services.llm_service import LLMBundle | |
| from agent.component import GenerateParam, Generate | |
| from agent.settings import DEBUG | |
| class KeywordExtractParam(GenerateParam): | |
| """ | |
| Define the KeywordExtract component parameters. | |
| """ | |
| def __init__(self): | |
| super().__init__() | |
| self.top_n = 1 | |
| def check(self): | |
| super().check() | |
| self.check_positive_integer(self.top_n, "Top N") | |
| def get_prompt(self): | |
| self.prompt = """ | |
| - Role: You're a question analyzer. | |
| - Requirements: | |
| - Summarize user's question, and give top %s important keyword/phrase. | |
| - Use comma as a delimiter to separate keywords/phrases. | |
| - Answer format: (in language of user's question) | |
| - keyword: | |
| """ % self.top_n | |
| return self.prompt | |
| class KeywordExtract(Generate, ABC): | |
| component_name = "KeywordExtract" | |
| def _run(self, history, **kwargs): | |
| q = "" | |
| for r, c in self._canvas.history[::-1]: | |
| if r == "user": | |
| q += c | |
| break | |
| chat_mdl = LLMBundle(self._canvas.get_tenant_id(), LLMType.CHAT, self._param.llm_id) | |
| ans = chat_mdl.chat(self._param.get_prompt(), [{"role": "user", "content": q}], | |
| self._param.gen_conf()) | |
| ans = re.sub(r".*keyword:", "", ans).strip() | |
| if DEBUG: print(ans, ":::::::::::::::::::::::::::::::::") | |
| return KeywordExtract.be_output(ans) | |