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1 Parent(s): cbe988a
Files changed (3) hide show
  1. app.py +0 -175
  2. htmlTemplates.py +0 -44
  3. requirements.txt +0 -14
app.py DELETED
@@ -1,175 +0,0 @@
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- import json
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-
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- import streamlit as st
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- from dotenv import load_dotenv
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- from PyPDF2 import PdfReader
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- from langchain.text_splitter import CharacterTextSplitter, RecursiveCharacterTextSplitter
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- from langchain.embeddings import OpenAIEmbeddings, HuggingFaceInstructEmbeddings
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- from langchain.vectorstores import FAISS, Chroma
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- from langchain.embeddings import HuggingFaceEmbeddings # General embeddings from HuggingFace models.
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- from langchain.chat_models import ChatOpenAI
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- from langchain.memory import ConversationBufferMemory
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- from langchain.chains import ConversationalRetrievalChain
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- from htmlTemplates import css, bot_template, user_template
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- from langchain.llms import HuggingFaceHub, LlamaCpp, CTransformers # For loading transformer models.
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- from langchain.document_loaders import PyPDFLoader, TextLoader, JSONLoader, CSVLoader
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- import tempfile # μž„μ‹œ νŒŒμΌμ„ μƒμ„±ν•˜κΈ° μœ„ν•œ λΌμ΄λΈŒλŸ¬λ¦¬μž…λ‹ˆλ‹€.
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- import os
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-
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-
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- # PDF λ¬Έμ„œλ‘œλΆ€ν„° ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
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- def get_pdf_text(pdf_docs):
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- temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- temp_filepath = os.path.join(temp_dir.name, pdf_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- with open(temp_filepath, "wb") as f: # μž„μ‹œ νŒŒμΌμ„ λ°”μ΄λ„ˆλ¦¬ μ“°κΈ° λͺ¨λ“œλ‘œ μ—½λ‹ˆλ‹€.
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- f.write(pdf_docs.getvalue()) # PDF λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
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- pdf_loader = PyPDFLoader(temp_filepath) # PyPDFLoaderλ₯Ό μ‚¬μš©ν•΄ PDFλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
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- pdf_doc = pdf_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
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- return pdf_doc # μΆ”μΆœν•œ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
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-
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- # 과제
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- # μ•„λž˜ ν…μŠ€νŠΈ μΆ”μΆœ ν•¨μˆ˜λ₯Ό μž‘μ„±
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-
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- def get_text_file(docs):
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- temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- temp_filepath = os.path.join(temp_dir.name, docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- with open(temp_filepath, "wb") as f: # μž„μ‹œ νŒŒμΌμ„ λ°”μ΄λ„ˆλ¦¬ μ“°κΈ° λͺ¨λ“œλ‘œ μ—½λ‹ˆλ‹€.
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- f.write(docs.getvalue())
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- loader = TextLoader(temp_filepath)
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- data = loader.load()
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- return data
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-
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-
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- def get_csv_file(docs):
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- temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- temp_filepath = os.path.join(temp_dir.name, docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- with open(temp_filepath, "wb") as f: # μž„μ‹œ νŒŒμΌμ„ λ°”μ΄λ„ˆλ¦¬ μ“°κΈ° λͺ¨λ“œλ‘œ μ—½λ‹ˆλ‹€.
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- f.write(docs.getvalue())
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- loader = CSVLoader(file_path=temp_filepath)
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- data = loader.load()
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- return data
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-
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-
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- def get_json_file(docs):
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- temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- temp_filepath = os.path.join(temp_dir.name, docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- with open(temp_filepath, "wb") as f: # μž„μ‹œ νŒŒμΌμ„ λ°”μ΄λ„ˆλ¦¬ μ“°κΈ° λͺ¨λ“œλ‘œ μ—½λ‹ˆλ‹€.
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- f.write(docs.getvalue())
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-
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- loader = JSONLoader(file_path=temp_filepath,
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- jq_schema='.messages.[].content',
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- text_content=False)
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- data = loader.load()
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-
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- return data
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-
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- # λ¬Έμ„œλ“€μ„ μ²˜λ¦¬ν•˜μ—¬ ν…μŠ€νŠΈ 청크둜 λ‚˜λˆ„λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
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- def get_text_chunks(documents):
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- text_splitter = RecursiveCharacterTextSplitter(
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- chunk_size=1000, # 청크의 크기λ₯Ό μ§€μ •ν•©λ‹ˆλ‹€.
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- chunk_overlap=200, # 청크 μ‚¬μ΄μ˜ 쀑볡을 μ§€μ •ν•©λ‹ˆλ‹€.
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- length_function=len # ν…μŠ€νŠΈμ˜ 길이λ₯Ό μΈ‘μ •ν•˜λŠ” ν•¨μˆ˜λ₯Ό μ§€μ •ν•©λ‹ˆλ‹€.
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- )
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-
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- documents = text_splitter.split_documents(documents) # λ¬Έμ„œλ“€μ„ 청크둜 λ‚˜λˆ•λ‹ˆλ‹€
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- return documents # λ‚˜λˆˆ 청크λ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
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-
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-
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- # ν…μŠ€νŠΈ μ²­ν¬λ“€λ‘œλΆ€ν„° 벑터 μŠ€ν† μ–΄λ₯Ό μƒμ„±ν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
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- def get_vectorstore(text_chunks):
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- # OpenAI μž„λ² λ”© λͺ¨λΈμ„ λ‘œλ“œν•©λ‹ˆλ‹€. (Embedding models - Ada v2)
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-
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- embeddings = OpenAIEmbeddings()
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- vectorstore = FAISS.from_documents(text_chunks, embeddings) # FAISS 벑터 μŠ€ν† μ–΄λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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-
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- return vectorstore # μƒμ„±λœ 벑터 μŠ€ν† μ–΄λ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
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-
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-
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- def get_conversation_chain(vectorstore):
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- gpt_model_name = 'gpt-3.5-turbo'
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- llm = ChatOpenAI(model_name = gpt_model_name) #gpt-3.5 λͺ¨λΈ λ‘œλ“œ
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-
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- # λŒ€ν™” 기둝을 μ €μž₯ν•˜κΈ° μœ„ν•œ λ©”λͺ¨λ¦¬λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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- memory = ConversationBufferMemory(
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- memory_key='chat_history', return_messages=True)
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- # λŒ€ν™” 검색 체인을 μƒμ„±ν•©λ‹ˆλ‹€.
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- conversation_chain = ConversationalRetrievalChain.from_llm(
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- llm=llm,
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- retriever=vectorstore.as_retriever(),
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- memory=memory
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- )
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- return conversation_chain
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-
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- # μ‚¬μš©μž μž…λ ₯을 μ²˜λ¦¬ν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
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- def handle_userinput(user_question):
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- # λŒ€ν™” 체인을 μ‚¬μš©ν•˜μ—¬ μ‚¬μš©μž μ§ˆλ¬Έμ— λŒ€ν•œ 응닡을 μƒμ„±ν•©λ‹ˆλ‹€.
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- response = st.session_state.conversation({'question': user_question})
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- # λŒ€ν™” 기둝을 μ €μž₯ν•©λ‹ˆλ‹€.
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- st.session_state.chat_history = response['chat_history']
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-
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- for i, message in enumerate(st.session_state.chat_history):
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- if i % 2 == 0:
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- st.write(user_template.replace(
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- "{{MSG}}", message.content), unsafe_allow_html=True)
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- else:
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- st.write(bot_template.replace(
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- "{{MSG}}", message.content), unsafe_allow_html=True)
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-
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-
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- def main():
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- load_dotenv()
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- st.set_page_config(page_title="Chat with multiple Files",
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- page_icon=":books:")
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- st.write(css, unsafe_allow_html=True)
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-
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- if "conversation" not in st.session_state:
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- st.session_state.conversation = None
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- if "chat_history" not in st.session_state:
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- st.session_state.chat_history = None
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-
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- st.header("Chat with multiple Files :")
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- user_question = st.text_input("Ask a question about your documents:")
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- if user_question:
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- handle_userinput(user_question)
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-
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- with st.sidebar:
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- openai_key = st.text_input("Paste your OpenAI API key (sk-...)")
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- if openai_key:
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- os.environ["OPENAI_API_KEY"] = openai_key
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-
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- st.subheader("Your documents")
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- docs = st.file_uploader(
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- "Upload your PDFs here and click on 'Process'", accept_multiple_files=True)
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- if st.button("Process"):
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- with st.spinner("Processing"):
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- # get pdf text
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- doc_list = []
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-
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- for file in docs:
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- print('file - type : ', file.type)
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- if file.type == 'text/plain':
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- # file is .txt
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- doc_list.extend(get_text_file(file))
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- elif file.type in ['application/octet-stream', 'application/pdf']:
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- # file is .pdf
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- doc_list.extend(get_pdf_text(file))
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- elif file.type == 'text/csv':
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- # file is .csv
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- doc_list.extend(get_csv_file(file))
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- elif file.type == 'application/json':
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- # file is .json
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- doc_list.extend(get_json_file(file))
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-
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- # get the text chunks
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- text_chunks = get_text_chunks(doc_list)
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-
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- # create vector store
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- vectorstore = get_vectorstore(text_chunks)
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-
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- # create conversation chain
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- st.session_state.conversation = get_conversation_chain(
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- vectorstore)
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-
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-
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- if __name__ == '__main__':
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- main()
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
htmlTemplates.py DELETED
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- css = '''
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- <style>
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- .chat-message {
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- padding: 1.5rem; border-radius: 0.5rem; margin-bottom: 1rem; display: flex
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- }
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- .chat-message.user {
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- background-color: #2b313e
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- }
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- .chat-message.bot {
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- background-color: #475063
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- }
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- .chat-message .avatar {
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- width: 20%;
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- }
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- .chat-message .avatar img {
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- max-width: 78px;
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- max-height: 78px;
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- border-radius: 50%;
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- object-fit: cover;
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- }
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- .chat-message .message {
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- width: 80%;
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- padding: 0 1.5rem;
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- color: #fff;
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- }
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- '''
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-
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- bot_template = '''
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- <div class="chat-message bot">
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- <div class="avatar">
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- <img src="https://i.ibb.co/cN0nmSj/Screenshot-2023-05-28-at-02-37-21.png" style="max-height: 78px; max-width: 78px; border-radius: 50%; object-fit: cover;">
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- </div>
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- <div class="message">{{MSG}}</div>
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- </div>
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- '''
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-
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- user_template = '''
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- <div class="chat-message user">
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- <div class="avatar">
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- <img src="https://i.ibb.co/rdZC7LZ/Photo-logo-1.png">
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- </div>
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- <div class="message">{{MSG}}</div>
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- </div>
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- '''
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
requirements.txt DELETED
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- langchain
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- llama-cpp-python
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- PyPDF2==3.0.1
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- faiss-cpu==1.7.4
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- ctransformers
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- pypdf
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- chromadb
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- tiktoken
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- pysqlite3-binary
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- streamlit-extras
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- InstructorEmbedding
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- sentence-transformers
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- jq
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- openai