| # import streamlit as st | |
| # from dotenv import load_dotenv | |
| # from langchain.text_splitter import CharacterTextSplitter, RecursiveCharacterTextSplitter | |
| # from langchain.vectorstores import FAISS | |
| # from langchain.embeddings import HuggingFaceEmbeddings # General embeddings from HuggingFace models. | |
| # from langchain.memory import ConversationBufferMemory | |
| # from langchain.chains import ConversationalRetrievalChain | |
| # from htmlTemplates import css, bot_template, user_template | |
| # from langchain.llms import LlamaCpp | |
| # import json | |
| # from pathlib import Path | |
| # from pprint import pprint | |
| # from langchain.document_loaders import PyPDFLoader, TextLoader, JSONLoader, CSVLoader | |
| # import tempfile # μμ νμΌμ μμ±νκΈ° μν λΌμ΄λΈλ¬λ¦¬μ λλ€. | |
| # import os | |
| # from huggingface_hub import hf_hub_download # Hugging Face Hubμμ λͺ¨λΈμ λ€μ΄λ‘λνκΈ° μν ν¨μμ λλ€. | |
| # # PDF λ¬Έμλ‘λΆν° ν μ€νΈλ₯Ό μΆμΆνλ ν¨μμ λλ€. | |
| # def get_pdf_text(pdf_docs): | |
| # temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| # temp_filepath = os.path.join(temp_dir.name, pdf_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| # with open(temp_filepath, "wb") as f: # μμ νμΌμ λ°μ΄λ리 μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| # f.write(pdf_docs.getvalue()) # PDF λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| # pdf_loader = PyPDFLoader(temp_filepath) # PyPDFLoaderλ₯Ό μ¬μ©ν΄ PDFλ₯Ό λ‘λν©λλ€. | |
| # pdf_doc = pdf_loader.load() # ν μ€νΈλ₯Ό μΆμΆν©λλ€. | |
| # return pdf_doc # μΆμΆν ν μ€νΈλ₯Ό λ°νν©λλ€. | |
| # # κ³Όμ | |
| # # μλ ν μ€νΈ μΆμΆ ν¨μλ₯Ό μμ± | |
| # def get_text_file(text_docs): | |
| # temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| # temp_filepath = os.path.join(temp_dir.name, text_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| # with open(temp_filepath, "wb") as f: # μμ νμΌμ ν μ€νΈ μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| # f.write(text_docs.getvalue()) # ν μ€νΈ λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| # text_loader = TextLoader(temp_filepath) # TextLoaderλ₯Ό μ¬μ©ν΄ ν μ€νΈ λ¬Έμλ₯Ό λ‘λν©λλ€. | |
| # text_doc = text_loader.load() # ν μ€νΈλ₯Ό μΆμΆν©λλ€. | |
| # return text_doc # μΆμΆλ ν μ€νΈλ₯Ό λ°νν©λλ€. | |
| # def get_csv_file(csv_docs): | |
| # temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| # temp_filepath = os.path.join(temp_dir.name, csv_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| # with open(temp_filepath, "wb") as f: # μμ νμΌμ λ°μ΄λ리 μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| # f.write(csv_docs.getvalue()) # CSV λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| # csv_loader = CSVLoader(temp_filepath) # CSVLoaderλ₯Ό μ¬μ©ν΄ CSV λ¬Έμλ₯Ό λ‘λν©λλ€. | |
| # csv_doc = csv_loader.load() # ν μ€νΈλ₯Ό μΆμΆν©λλ€. | |
| # return csv_doc # μΆμΆλ ν μ€νΈλ₯Ό λ°νν©λλ€. | |
| # def get_json_file(json_docs): | |
| # temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| # temp_filepath = os.path.join(temp_dir.name, json_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| # with open(temp_filepath, "wb") as f: # μμ νμΌμ ν μ€νΈ μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| # f.write(json_docs.getvalue()) # JSON λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| # json_loader = JSONLoader(temp_filepath) # JSONLoaderλ₯Ό μ¬μ©ν΄ JSON λ¬Έμλ₯Ό λ‘λν©λλ€. | |
| # json_doc = json_loader.load() # ν μ€νΈλ₯Ό μΆμΆν©λλ€. | |
| # return json_doc # μΆμΆλ ν μ€νΈλ₯Ό λ°νν©λλ€. | |
| # # def get_text_file(text_docs): | |
| # # | |
| # # pass | |
| # # | |
| # # def get_csv_file(csv_docs): | |
| # # pass | |
| # # | |
| # # def get_json_file(json_docs): | |
| # # | |
| # # | |
| # # pass | |
| # # λ¬Έμλ€μ μ²λ¦¬νμ¬ ν μ€νΈ μ²ν¬λ‘ λλλ ν¨μμ λλ€. | |
| # def get_text_chunks(documents): | |
| # text_splitter = RecursiveCharacterTextSplitter( | |
| # chunk_size=1000, # μ²ν¬μ ν¬κΈ°λ₯Ό μ§μ ν©λλ€. | |
| # chunk_overlap=200, # μ²ν¬ μ¬μ΄μ μ€λ³΅μ μ§μ ν©λλ€. | |
| # length_function=len # ν μ€νΈμ κΈΈμ΄λ₯Ό μΈ‘μ νλ ν¨μλ₯Ό μ§μ ν©λλ€. | |
| # ) | |
| # documents = text_splitter.split_documents(documents) # λ¬Έμλ€μ μ²ν¬λ‘ λλλλ€. | |
| # return documents # λλ μ²ν¬λ₯Ό λ°νν©λλ€. | |
| # # ν μ€νΈ μ²ν¬λ€λ‘λΆν° λ²‘ν° μ€ν μ΄λ₯Ό μμ±νλ ν¨μμ λλ€. | |
| # def get_vectorstore(text_chunks): | |
| # # μνλ μλ² λ© λͺ¨λΈμ λ‘λν©λλ€. | |
| # embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L12-v2', | |
| # model_kwargs={'device': 'cpu'}) # μλ² λ© λͺ¨λΈμ μ€μ ν©λλ€. | |
| # vectorstore = FAISS.from_documents(text_chunks, embeddings) # FAISS λ²‘ν° μ€ν μ΄λ₯Ό μμ±ν©λλ€. | |
| # return vectorstore # μμ±λ λ²‘ν° μ€ν μ΄λ₯Ό λ°νν©λλ€. | |
| # def get_conversation_chain(vectorstore): | |
| # model_name_or_path = 'TheBloke/Llama-2-7B-chat-GGUF' | |
| # model_basename = 'llama-2-7b-chat.Q2_K.gguf' | |
| # model_path = hf_hub_download(repo_id=model_name_or_path, filename=model_basename) | |
| # llm = LlamaCpp(model_path=model_path, | |
| # n_ctx=8192, | |
| # input={"temperature": 0.75, "max_length": 2000, "top_p": 1}, | |
| # verbose=True, ) | |
| # # λν κΈ°λ‘μ μ μ₯νκΈ° μν λ©λͺ¨λ¦¬λ₯Ό μμ±ν©λλ€. | |
| # memory = ConversationBufferMemory( | |
| # memory_key='chat_history', return_messages=True) | |
| # # λν κ²μ 체μΈμ μμ±ν©λλ€. | |
| # conversation_chain = ConversationalRetrievalChain.from_llm( | |
| # llm=llm, | |
| # retriever=vectorstore.as_retriever(), | |
| # memory=memory | |
| # ) | |
| # return conversation_chain # μμ±λ λν 체μΈμ λ°νν©λλ€. | |
| # # μ¬μ©μ μ λ ₯μ μ²λ¦¬νλ ν¨μμ λλ€. | |
| # def handle_userinput(user_question): | |
| # print('user_question => ', user_question) | |
| # # λν 체μΈμ μ¬μ©νμ¬ μ¬μ©μ μ§λ¬Έμ λν μλ΅μ μμ±ν©λλ€. | |
| # response = st.session_state.conversation({'question': user_question}) | |
| # # λν κΈ°λ‘μ μ μ₯ν©λλ€. | |
| # st.session_state.chat_history = response['chat_history'] | |
| # for i, message in enumerate(st.session_state.chat_history): | |
| # if i % 2 == 0: | |
| # st.write(user_template.replace( | |
| # "{{MSG}}", message.content), unsafe_allow_html=True) | |
| # else: | |
| # st.write(bot_template.replace( | |
| # "{{MSG}}", message.content), unsafe_allow_html=True) | |
| # text_chunks = [] | |
| # def initialize_conversation_chain(): | |
| # # Add the necessary code to initialize the conversation_chain | |
| # # This may include loading the LlamaCpp model and creating the conversation_chain | |
| # vectorstore = get_vectorstore(text_chunks) # Replace this with the appropriate code | |
| # return get_conversation_chain(vectorstore) | |
| # def main(): | |
| # load_dotenv() | |
| # st.set_page_config(page_title="Chat with multiple Files", | |
| # page_icon=":books:") | |
| # st.write(css, unsafe_allow_html=True) | |
| # # λν 체μΈμ΄ μΈμ μνμ μκ±°λ NoneμΈ κ²½μ° μ΄κΈ°νν©λλ€. | |
| # if "conversation" not in st.session_state or st.session_state.conversation is None: | |
| # # μ μ ν λ°μ΄ν°λ‘ text_chunksλ₯Ό μ μν΄μΌ ν©λλ€. | |
| # st.session_state.conversation = initialize_conversation_chain(text_chunks) | |
| # # if "conversation" not in st.session_state: | |
| # # st.session_state.conversation = None | |
| # # if "chat_history" not in st.session_state: | |
| # # st.session_state.chat_history = None | |
| # st.header("Chat with multiple Files:") | |
| # user_question = st.text_input("Ask a question about your documents:") | |
| # # if user_question: | |
| # # handle_userinput(user_question) | |
| # if user_question: | |
| # # Ensure that conversation_chain is initialized before calling handle_userinput | |
| # if st.session_state.conversation is None: | |
| # st.session_state.conversation = initialize_conversation_chain() | |
| # handle_userinput(user_question) | |
| # with st.sidebar: | |
| # st.subheader("Your documents") | |
| # docs = st.file_uploader( | |
| # "Upload your PDFs here and click on 'Process'", accept_multiple_files=True) | |
| # if st.button("Process"): | |
| # with st.spinner("Processing"): | |
| # # get pdf text | |
| # doc_list = [] | |
| # for file in docs: | |
| # print('file - type : ', file.type) | |
| # if file.type == 'text/plain': | |
| # # file is .txt | |
| # doc_list.extend(get_text_file(file)) | |
| # elif file.type in ['application/octet-stream', 'application/pdf']: | |
| # # file is .pdf | |
| # doc_list.extend(get_pdf_text(file)) | |
| # elif file.type == 'text/csv': | |
| # # file is .csv | |
| # doc_list.extend(get_csv_file(file)) | |
| # elif file.type == 'application/json': | |
| # # file is .json | |
| # doc_list.extend(get_json_file(file)) | |
| # # get the text chunks | |
| # text_chunks = get_text_chunks(doc_list) | |
| # # create vector store | |
| # vectorstore = get_vectorstore(text_chunks) | |
| # # create conversation chain | |
| # st.session_state.conversation = get_conversation_chain( | |
| # vectorstore) | |
| # if __name__ == '__main__': | |
| # main() | |
| import streamlit as st | |
| from dotenv import load_dotenv | |
| from langchain.text_splitter import CharacterTextSplitter, RecursiveCharacterTextSplitter | |
| from langchain.vectorstores import FAISS | |
| from langchain.embeddings import HuggingFaceEmbeddings # General embeddings from HuggingFace models. | |
| from langchain.memory import ConversationBufferMemory | |
| from langchain.chains import ConversationalRetrievalChain | |
| from htmlTemplates import css, bot_template, user_template | |
| from langchain.llms import LlamaCpp | |
| import json | |
| from pathlib import Path | |
| from pprint import pprint | |
| from langchain.document_loaders import PyPDFLoader, TextLoader, JSONLoader, CSVLoader | |
| import tempfile # μμ νμΌμ μμ±νκΈ° μν λΌμ΄λΈλ¬λ¦¬μ λλ€. | |
| import os | |
| from huggingface_hub import hf_hub_download # Hugging Face Hubμμ λͺ¨λΈμ λ€μ΄λ‘λνκΈ° μν ν¨μμ λλ€. | |
| # PDF λ¬Έμλ‘λΆν° ν μ€νΈλ₯Ό μΆμΆνλ ν¨μμ λλ€. | |
| def get_pdf_text(pdf_docs): | |
| temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| temp_filepath = os.path.join(temp_dir.name, pdf_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| with open(temp_filepath, "wb") as f: # μμ νμΌμ λ°μ΄λ리 μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| f.write(pdf_docs.getvalue()) # PDF λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| pdf_loader = PyPDFLoader(temp_filepath) # PyPDFLoaderλ₯Ό μ¬μ©ν΄ PDFλ₯Ό λ‘λν©λλ€. | |
| pdf_doc = pdf_loader.load() # ν μ€νΈλ₯Ό μΆμΆν©λλ€. | |
| return pdf_doc # μΆμΆν ν μ€νΈλ₯Ό λ°νν©λλ€. | |
| def get_text_file(text_docs): | |
| temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| temp_filepath = os.path.join(temp_dir.name, text_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| with open(temp_filepath, "wb") as f: # μμ νμΌμ ν μ€νΈ μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| f.write(text_docs.getvalue()) # ν μ€νΈ λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| text_loader = TextLoader(temp_filepath) # TextLoaderλ₯Ό μ¬μ©ν΄ ν μ€νΈ λ¬Έμλ₯Ό λ‘λν©λλ€. | |
| text_doc = text_loader.load() # ν μ€νΈλ₯Ό μΆμΆν©λλ€. | |
| return text_doc # μΆμΆλ ν μ€νΈλ₯Ό λ°νν©λλ€. | |
| def get_csv_file(csv_docs): | |
| temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| temp_filepath = os.path.join(temp_dir.name, csv_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| with open(temp_filepath, "wb") as f: # μμ νμΌμ λ°μ΄λ리 μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| f.write(csv_docs.getvalue()) # CSV λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| csv_loader = CSVLoader(temp_filepath) # CSVLoaderλ₯Ό μ¬μ©ν΄ CSV λ¬Έμλ₯Ό λ‘λν©λλ€. | |
| csv_doc = csv_loader.load() # ν μ€νΈλ₯Ό μΆμΆν©λλ€. | |
| return csv_doc # μΆμΆλ ν μ€νΈλ₯Ό λ°νν©λλ€. | |
| def get_json_file(json_docs): | |
| temp_dir = tempfile.TemporaryDirectory() # μμ λλ ν 리λ₯Ό μμ±ν©λλ€. | |
| temp_filepath = os.path.join(temp_dir.name, json_docs.name) # μμ νμΌ κ²½λ‘λ₯Ό μμ±ν©λλ€. | |
| with open(temp_filepath, "wb") as f: # μμ νμΌμ λ°μ΄λ리 μ°κΈ° λͺ¨λλ‘ μ½λλ€. | |
| f.write(json_docs.getvalue()) # JSON λ¬Έμμ λ΄μ©μ μμ νμΌμ μλλ€. | |
| json_loader = JSONLoader(file_path=temp_filepath, jq_schema='.messages[].content',text_content=False) | |
| json_doc = json_loader.load() | |
| return json_doc | |
| # λ¬Έμλ€μ μ²λ¦¬νμ¬ ν μ€νΈ μ²ν¬λ‘ λλλ ν¨μμ λλ€. | |
| def get_text_chunks(documents): | |
| text_splitter = RecursiveCharacterTextSplitter( | |
| chunk_size=1000, # μ²ν¬μ ν¬κΈ°λ₯Ό μ§μ ν©λλ€. | |
| chunk_overlap=200, # μ²ν¬ μ¬μ΄μ μ€λ³΅μ μ§μ ν©λλ€. | |
| length_function=len # ν μ€νΈμ κΈΈμ΄λ₯Ό μΈ‘μ νλ ν¨μλ₯Ό μ§μ ν©λλ€. | |
| ) | |
| documents = text_splitter.split_documents(documents) # λ¬Έμλ€μ μ²ν¬λ‘ λλλλ€. | |
| return documents # λλ μ²ν¬λ₯Ό λ°νν©λλ€. | |
| # ν μ€νΈ μ²ν¬λ€λ‘λΆν° λ²‘ν° μ€ν μ΄λ₯Ό μμ±νλ ν¨μμ λλ€. | |
| def get_vectorstore(text_chunks): | |
| # μνλ μλ² λ© λͺ¨λΈμ λ‘λν©λλ€. | |
| embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L12-v2', | |
| model_kwargs={'device': 'cpu'}) | |
| vectorstore = FAISS.from_documents(text_chunks, embeddings) # FAISS λ²‘ν° μ€ν μ΄λ₯Ό μμ±ν©λλ€. | |
| return vectorstore # μμ±λ λ²‘ν° μ€ν μ΄λ₯Ό λ°νν©λλ€. | |
| # λν κΈ°λ‘μ μ μ₯νκΈ° μν λ©λͺ¨λ¦¬λ₯Ό μμ±ν©λλ€. | |
| def get_conversation_chain(vectorstore): | |
| model_name_or_path = 'TheBloke/Llama-2-7B-chat-GGUF' | |
| model_basename = 'llama-2-7b-chat.Q2_K.gguf' | |
| model_path = hf_hub_download(repo_id=model_name_or_path, filename=model_basename) | |
| llm = LlamaCpp(model_path=model_path, | |
| n_ctx=9000, | |
| input={"temperature": 0.75, "max_length": 2000, "top_p": 1}, | |
| verbose=True, ) | |
| # λν κΈ°λ‘μ μ μ₯νκΈ° μν λ©λͺ¨λ¦¬λ₯Ό μμ±ν©λλ€. | |
| memory = ConversationBufferMemory( | |
| memory_key='chat_history', return_messages=True) | |
| # λν κ²μ 체μΈμ μμ±ν©λλ€. | |
| conversation_chain = ConversationalRetrievalChain.from_llm( | |
| llm=llm, | |
| retriever=vectorstore.as_retriever(), | |
| memory=memory | |
| ) | |
| return conversation_chain # μμ±λ λν 체μΈμ λ°νν©λλ€. | |
| # μ¬μ©μ μ λ ₯μ μ²λ¦¬νλ ν¨μμ λλ€. | |
| def handle_userinput(user_question): | |
| print('user_question => ', user_question) | |
| # λν 체μΈμ μ¬μ©νμ¬ μ¬μ©μ μ§λ¬Έμ λν μλ΅μ μμ±ν©λλ€. | |
| response = st.session_state.conversation({'question': user_question}) | |
| # λν κΈ°λ‘μ μ μ₯ν©λλ€. | |
| st.session_state.chat_history = response['chat_history'] | |
| for i, message in enumerate(st.session_state.chat_history): | |
| if i % 2 == 0: | |
| st.write(user_template.replace( | |
| "{{MSG}}", message.content), unsafe_allow_html=True) | |
| else: | |
| st.write(bot_template.replace( | |
| "{{MSG}}", message.content), unsafe_allow_html=True) | |
| def main(): | |
| load_dotenv() | |
| st.set_page_config(page_title="Chat with multiple Files", | |
| page_icon=":books:") | |
| st.write(css, unsafe_allow_html=True) | |
| if "conversation" not in st.session_state: | |
| st.session_state.conversation = None | |
| if "chat_history" not in st.session_state: | |
| st.session_state.chat_history = None | |
| st.header("Chat with multiple Files:") | |
| user_question = st.text_input("Ask a question about your documents:") | |
| if user_question: | |
| handle_userinput(user_question) | |
| with st.sidebar: | |
| st.subheader("Your documents") | |
| docs = st.file_uploader( | |
| "Upload your PDFs here and click on 'Process'", accept_multiple_files=True) | |
| if st.button("Process"): | |
| with st.spinner("Processing"): | |
| # get pdf text | |
| doc_list = [] | |
| for file in docs: | |
| print('file - type : ', file.type) | |
| if file.type == 'text/plain': | |
| # file is .txt | |
| doc_list.extend(get_text_file(file)) | |
| elif file.type in ['application/octet-stream', 'application/pdf']: | |
| # file is .pdf | |
| doc_list.extend(get_pdf_text(file)) | |
| elif file.type == 'text/csv': | |
| # file is .csv | |
| doc_list.extend(get_csv_file(file)) | |
| elif file.type == 'application/json': | |
| # file is .json | |
| doc_list.extend(get_json_file(file)) | |
| # get the text chunks | |
| text_chunks = get_text_chunks(doc_list) | |
| # create vector store | |
| vectorstore = get_vectorstore(text_chunks) | |
| # create conversation chain | |
| st.session_state.conversation = get_conversation_chain( | |
| vectorstore) | |
| if __name__ == '__main__': | |
| main() | |