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akari-bot/modules/ask/tools/self_knowledge/__init__.py
2023-04-30 08:54:42 +08:00

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Python

import os
from langchain.embeddings.openai import OpenAIEmbeddings
from langchain.vectorstores import Chroma
from langchain.text_splitter import CharacterTextSplitter
from langchain.chat_models import ChatOpenAI
from langchain.chains import RetrievalQA
from langchain.document_loaders import TextLoader
from config import Config
from ..utils import AkariTool
docs = [os.path.join(os.path.dirname(__file__), 'src', file) for file in os.listdir(os.path.join(os.path.dirname(__file__), 'src'))]
texts = []
for doc in docs:
loader = TextLoader(doc, 'utf-8')
documents = loader.load()
text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
for i in text_splitter.split_documents(documents):
texts.append(i)
embeddings = OpenAIEmbeddings(openai_api_key=Config('openai_api_key'))
doc_search = Chroma.from_documents(texts, embeddings, collection_name='myself', persist_directory=os.path.join(os.path.dirname(__file__), 'data'))
doc_search.persist()
llm = ChatOpenAI(temperature=0, openai_api_key=Config('openai_api_key'), model_kwargs={'frequency_penalty': 0.0, 'presence_penalty': 0.0})
self_knowledge = RetrievalQA.from_chain_type(llm=llm, chain_type="stuff", retriever=doc_search.as_retriever(search_kwargs={"k": 1}))
self_knowledge_tool = AkariTool(
name = 'Self Knowledge',
func=self_knowledge.arun,
description='Get facts about yourself, Akaribot. Useful for when you need to answer questions about yourself if the user is curious. Input should be a full question in English.'
)