Commit
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0c62088
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Parent(s):
Duplicate from c-s-ale/ArxivChainLitDemo
Browse files- .env.example +1 -0
- .gitattributes +34 -0
- .gitignore +4 -0
- Dockerfile +11 -0
- README.md +10 -0
- app.py +103 -0
- chainlit.md +11 -0
- requirements.txt +7 -0
.env.example
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OPENAI_API_KEY=
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.gitattributes
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*.7z filter=lfs diff=lfs merge=lfs -text
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*.arrow filter=lfs diff=lfs merge=lfs -text
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saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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.gitignore
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.env
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.vscode
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.chroma
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__pycache__
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Dockerfile
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FROM python:3.9
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RUN useradd -m -u 1000 user
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USER user
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ENV HOME=/home/user \
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PATH=/home/user/.local/bin:$PATH
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WORKDIR $HOME/app
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COPY --chown=user . $HOME/app
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COPY ./requirements.txt ~/app/requirements.txt
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RUN pip install -r requirements.txt
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COPY . .
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CMD ["chainlit", "run", "app.py", "--port", "7860"]
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README.md
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---
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title: ArxivChainLitDemo
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emoji: 💻
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colorFrom: indigo
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colorTo: gray
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sdk: docker
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pinned: false
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license: openrail
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duplicated_from: c-s-ale/ArxivChainLitDemo
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---
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app.py
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from langchain.embeddings.openai import OpenAIEmbeddings
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from langchain.document_loaders import PyMuPDFLoader
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain.vectorstores import Chroma
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from langchain.chains import RetrievalQAWithSourcesChain
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from langchain.chat_models import ChatOpenAI
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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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import os
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import arxiv
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import chainlit as cl
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from chainlit import user_session
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@cl.langchain_factory(use_async=True)
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async def init():
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arxiv_query = None
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# Wait for the user to ask an Arxiv question
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while arxiv_query == None:
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arxiv_query = await cl.AskUserMessage(
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content="Please enter a topic to begin!", timeout=15
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).send()
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# Obtain the top 30 results from Arxiv for the query
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search = arxiv.Search(
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query=arxiv_query["content"],
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max_results=3,
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sort_by=arxiv.SortCriterion.Relevance,
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)
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await cl.Message(content="Downloading and chunking articles...").send()
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# download each of the pdfs
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pdf_data = []
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for result in search.results():
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loader = PyMuPDFLoader(result.pdf_url)
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loaded_pdf = loader.load()
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for document in loaded_pdf:
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document.metadata["source"] = result.entry_id
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document.metadata["file_path"] = result.pdf_url
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document.metadata["title"] = result.title
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pdf_data.append(document)
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# Create a Chroma vector store
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embeddings = OpenAIEmbeddings(
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disallowed_special=(),
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)
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# If operation takes too long, make_async allows to run in a thread
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# docsearch = await cl.make_async(Chroma.from_documents)(pdf_data, embeddings)
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docsearch = Chroma.from_documents(pdf_data, embeddings)
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# Create a chain that uses the Chroma vector store
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chain = RetrievalQAWithSourcesChain.from_chain_type(
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ChatOpenAI(
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model_name="gpt-3.5-turbo-16k",
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temperature=0,
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),
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chain_type="stuff",
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retriever=docsearch.as_retriever(),
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return_source_documents=True,
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)
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# Let the user know that the system is ready
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await cl.Message(
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content=f"We found a few papers about `{arxiv_query['content']}` you can now ask questions!"
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).send()
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return chain
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@cl.langchain_postprocess
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async def process_response(res):
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answer = res["answer"]
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source_elements_dict = {}
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source_elements = []
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for idx, source in enumerate(res["source_documents"]):
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title = source.metadata["title"]
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if title not in source_elements_dict:
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source_elements_dict[title] = {
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"page_number": [source.metadata["page"]],
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"url": source.metadata["file_path"],
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}
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else:
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source_elements_dict[title]["page_number"].append(source.metadata["page"])
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# sort the page numbers
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source_elements_dict[title]["page_number"].sort()
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for title, source in source_elements_dict.items():
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# create a string for the page numbers
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page_numbers = ", ".join([str(x) for x in source["page_number"]])
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text_for_source = f"Page Number(s): {page_numbers}\nURL: {source['url']}"
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source_elements.append(
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cl.Text(name=title, content=text_for_source, display="inline")
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)
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await cl.Message(content=answer, elements=source_elements).send()
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chainlit.md
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# ⚠️ Warning ⚠️
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You will need a GPT-4 API key to use this app due to large context size!
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# Welcome to AskArxiv powered by Chainlit!
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In this app, you'll be able to enter a topic - and then ask ~30 papers from Arxiv about that topic!
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### Link To Demo
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[Hugging Face Space]()
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requirements.txt
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arxiv==1.4.7
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langchain==0.0.202
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chainlit==0.4.1
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openai
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chromadb
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tiktoken
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pymupdf
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