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Browse files- .gitattributes +1 -0
- app.py +111 -0
- docs.pdf +3 -0
- requirements.txt +7 -0
.gitattributes
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@@ -32,3 +32,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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docs.pdf filter=lfs diff=lfs merge=lfs -text
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app.py
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from langchain.chat_models import ChatOpenAI
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from langchain.document_loaders import PyPDFLoader
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from langchain.embeddings.openai import OpenAIEmbeddings
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from langchain.embeddings.cohere import CohereEmbeddings
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from langchain.text_splitter import CharacterTextSplitter
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from langchain.vectorstores.elastic_vector_search import ElasticVectorSearch
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from langchain.vectorstores import Chroma
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from PyPDF2 import PdfWriter
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import gradio as gr
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import os
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from dotenv import load_dotenv
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import openai
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import streamlit as st
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load_dotenv()
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#λΉλ°ν€ κ°μ Έμ€κΈ° μλμ€
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# api_key = os.getenv('OPENAI_API_KEY') ## .env νμΌ μ
λ‘λνλ©΄ μ¨κ²¨μ§μ§ μμ μλ¨
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# api_key = os.environ['my_secret'] ## μλΆλ¬μμ§
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# api_key = os.getenv('my_secret') ## 3νΈ .env λμ secretν€λ₯Ό λΆλ¬μ€λ ννλ‘ λμ
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os.environ["OPENAI_API_KEY"] = os.environ['my_secret']
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loader = PyPDFLoader("/home/user/app/docs.pdf")
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documents = loader.load()
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text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
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texts = text_splitter.split_documents(documents)
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#vector embedding
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embeddings = OpenAIEmbeddings()
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vector_store = Chroma.from_documents(texts, embeddings)
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retriever = vector_store.as_retriever(search_kwargs={"k": 2})
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from langchain.chat_models import ChatOpenAI
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from langchain.chains import RetrievalQAWithSourcesChain
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llm = ChatOpenAI(model_name="gpt-4", temperature=0) # Modify model_name if you have access to GPT-4
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chain = RetrievalQAWithSourcesChain.from_chain_type(
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llm=llm,
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chain_type="stuff",
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retriever = retriever,
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return_source_documents=True)
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from langchain.prompts.chat import (
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ChatPromptTemplate,
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SystemMessagePromptTemplate,
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HumanMessagePromptTemplate,
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)
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system_template="""Use the following pieces of context to answer the users question shortly.
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Given the following summaries of a long document and a question, create a final answer with references ("SOURCES"), use "SOURCES" in capital letters regardless of the number of sources.
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If you don't know the answer, just say that "I don't know", don't try to make up an answer.
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----------------
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{summaries}
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You MUST answer in Korean and in Markdown format:"""
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messages = [
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SystemMessagePromptTemplate.from_template(system_template),
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HumanMessagePromptTemplate.from_template("{question}")
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]
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prompt = ChatPromptTemplate.from_messages(messages)
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from langchain.chat_models import ChatOpenAI
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from langchain.chains import RetrievalQAWithSourcesChain
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chain_type_kwargs = {"prompt": prompt}
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llm = ChatOpenAI(model_name="gpt-4", temperature=0) # Modify model_name if you have access to GPT-4
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chain = RetrievalQAWithSourcesChain.from_chain_type(
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llm=llm,
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chain_type="stuff",
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retriever = retriever,
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return_source_documents=True,
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chain_type_kwargs=chain_type_kwargs
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)
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query = "ν볡ν μΈμμ΄λ?"
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result = chain(query)
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for doc in result['source_documents']:
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print('λ΄μ© : ' + doc.page_content[0:100].replace('\n', ' '))
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print('νμΌ : ' + doc.metadata['source'])
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print('νμ΄μ§ : ' + str(doc.metadata['page']))
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def respond(message, chat_history): # μ±ν
λ΄μ μλ΅μ μ²λ¦¬νλ ν¨μλ₯Ό μ μν©λλ€.
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result = chain(message)
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bot_message = result['answer']
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for i, doc in enumerate(result['source_documents']):
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bot_message += '[' + str(i+1) + '] ' + doc.metadata['source'] + '(' + str(doc.metadata['page']) + ') '
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chat_history.append((message, bot_message)) # μ±ν
κΈ°λ‘μ μ¬μ©μμ λ©μμ§μ λ΄μ μλ΅μ μΆκ°ν©λλ€.
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return "", chat_history # μμ λ μ±ν
κΈ°λ‘μ λ°νν©λλ€.
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with gr.Blocks(theme='gstaff/sketch') as demo: # gr.Blocks()λ₯Ό μ¬μ©νμ¬ μΈν°νμ΄μ€λ₯Ό μμ±ν©λλ€.
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gr.Markdown("# μλ
νμΈμ. μΈμ΄λ
Έμ λνν΄λ³΄μΈμ.")
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chatbot = gr.Chatbot(label="μ±ν
μ°½") # 'μ±ν
μ°½'μ΄λΌλ λ μ΄λΈμ κ°μ§ μ±ν
λ΄ μ»΄ν¬λνΈλ₯Ό μμ±ν©λλ€.
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msg = gr.Textbox(label="μ
λ ₯") # 'μ
λ ₯'μ΄λΌλ λ μ΄λΈμ κ°μ§ ν
μ€νΈλ°μ€λ₯Ό μμ±ν©λλ€.
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clear = gr.Button("μ΄κΈ°ν") # 'μ΄κΈ°ν'λΌλ λ μ΄λΈμ κ°μ§ λ²νΌμ μμ±ν©λλ€.
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msg.submit(respond, [msg, chatbot], [msg, chatbot]) # ν
μ€νΈλ°μ€μ λ©μμ§λ₯Ό μ
λ ₯νκ³ μ μΆνλ©΄ respond ν¨μκ° νΈμΆλλλ‘ ν©λλ€.
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clear.click(lambda: None, None, chatbot, queue=False) # 'μ΄κΈ°ν' λ²νΌμ ν΄λ¦νλ©΄ μ±ν
κΈ°λ‘μ μ΄κΈ°νν©λλ€.
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demo.launch(debug=True) # μΈν°νμ΄μ€λ₯Ό μ€νν©λλ€. μ€ννλ©΄ μ¬μ©μλ 'μ
λ ₯' ν
μ€νΈλ°μ€μ λ©μμ§λ₯Ό μμ±νκ³ μ μΆν μ μμΌλ©°, 'μ΄κΈ°ν' λ²νΌμ ν΅ν΄ μ±ν
κΈ°λ‘μ μ΄κΈ°ν ν μ μμ΅λλ€.
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docs.pdf
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@@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:dab840d01bd8582e930da5ccb74c032279e832ed02f7f938953e7f77730d1ad2
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size 4232031
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requirements.txt
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@@ -0,0 +1,7 @@
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openai
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langchain
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pypdf
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chromadb
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tiktoken
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PyPDF2
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streamlit
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