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# 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 # μž„μ‹œ νŒŒμΌμ„ μƒμ„±ν•˜κΈ° μœ„ν•œ λΌμ΄λΈŒλŸ¬λ¦¬μž…λ‹ˆλ‹€.
# import os
# from huggingface_hub import hf_hub_download # Hugging Face Hubμ—μ„œ λͺ¨λΈμ„ λ‹€μš΄λ‘œλ“œν•˜κΈ° μœ„ν•œ ν•¨μˆ˜μž…λ‹ˆλ‹€.
# # PDF λ¬Έμ„œλ‘œλΆ€ν„° ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
# def get_pdf_text(pdf_docs):
# temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# temp_filepath = os.path.join(temp_dir.name, pdf_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# 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‹€.
# f.write(pdf_docs.getvalue()) # PDF λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
# pdf_loader = PyPDFLoader(temp_filepath) # PyPDFLoaderλ₯Ό μ‚¬μš©ν•΄ PDFλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
# pdf_doc = pdf_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
# return pdf_doc # μΆ”μΆœν•œ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
# # 과제
# # μ•„λž˜ ν…μŠ€νŠΈ μΆ”μΆœ ν•¨μˆ˜λ₯Ό μž‘μ„±
# def get_text_file(text_docs):
# temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# temp_filepath = os.path.join(temp_dir.name, text_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# with open(temp_filepath, "wb") as f: # μž„μ‹œ νŒŒμΌμ„ ν…μŠ€νŠΈ μ“°κΈ° λͺ¨λ“œλ‘œ μ—½λ‹ˆλ‹€.
# f.write(text_docs.getvalue()) # ν…μŠ€νŠΈ λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
# text_loader = TextLoader(temp_filepath) # TextLoaderλ₯Ό μ‚¬μš©ν•΄ ν…μŠ€νŠΈ λ¬Έμ„œλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
# text_doc = text_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
# return text_doc # μΆ”μΆœλœ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
# def get_csv_file(csv_docs):
# temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# temp_filepath = os.path.join(temp_dir.name, csv_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# 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‹€.
# f.write(csv_docs.getvalue()) # CSV λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
# csv_loader = CSVLoader(temp_filepath) # CSVLoaderλ₯Ό μ‚¬μš©ν•΄ CSV λ¬Έμ„œλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
# csv_doc = csv_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
# return csv_doc # μΆ”μΆœλœ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
# def get_json_file(json_docs):
# temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# temp_filepath = os.path.join(temp_dir.name, json_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# with open(temp_filepath, "wb") as f: # μž„μ‹œ νŒŒμΌμ„ ν…μŠ€νŠΈ μ“°κΈ° λͺ¨λ“œλ‘œ μ—½λ‹ˆλ‹€.
# f.write(json_docs.getvalue()) # JSON λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
# json_loader = JSONLoader(temp_filepath) # JSONLoaderλ₯Ό μ‚¬μš©ν•΄ JSON λ¬Έμ„œλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
# json_doc = json_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
# return json_doc # μΆ”μΆœλœ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
# # def get_text_file(text_docs):
# #
# # pass
# #
# # def get_csv_file(csv_docs):
# # pass
# #
# # def get_json_file(json_docs):
# #
# #
# # pass
# # λ¬Έμ„œλ“€μ„ μ²˜λ¦¬ν•˜μ—¬ ν…μŠ€νŠΈ 청크둜 λ‚˜λˆ„λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
# def get_text_chunks(documents):
# text_splitter = RecursiveCharacterTextSplitter(
# chunk_size=1000, # 청크의 크기λ₯Ό μ§€μ •ν•©λ‹ˆλ‹€.
# chunk_overlap=200, # 청크 μ‚¬μ΄μ˜ 쀑볡을 μ§€μ •ν•©λ‹ˆλ‹€.
# length_function=len # ν…μŠ€νŠΈμ˜ 길이λ₯Ό μΈ‘μ •ν•˜λŠ” ν•¨μˆ˜λ₯Ό μ§€μ •ν•©λ‹ˆλ‹€.
# )
# documents = text_splitter.split_documents(documents) # λ¬Έμ„œλ“€μ„ 청크둜 λ‚˜λˆ•λ‹ˆλ‹€.
# return documents # λ‚˜λˆˆ 청크λ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
# # ν…μŠ€νŠΈ μ²­ν¬λ“€λ‘œλΆ€ν„° 벑터 μŠ€ν† μ–΄λ₯Ό μƒμ„±ν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
# def get_vectorstore(text_chunks):
# # μ›ν•˜λŠ” μž„λ² λ”© λͺ¨λΈμ„ λ‘œλ“œν•©λ‹ˆλ‹€.
# embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L12-v2',
# model_kwargs={'device': 'cpu'}) # μž„λ² λ”© λͺ¨λΈμ„ μ„€μ •ν•©λ‹ˆλ‹€.
# vectorstore = FAISS.from_documents(text_chunks, embeddings) # FAISS 벑터 μŠ€ν† μ–΄λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# return vectorstore # μƒμ„±λœ 벑터 μŠ€ν† μ–΄λ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
# 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, )
# # λŒ€ν™” 기둝을 μ €μž₯ν•˜κΈ° μœ„ν•œ λ©”λͺ¨λ¦¬λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
# memory = ConversationBufferMemory(
# memory_key='chat_history', return_messages=True)
# # λŒ€ν™” 검색 체인을 μƒμ„±ν•©λ‹ˆλ‹€.
# conversation_chain = ConversationalRetrievalChain.from_llm(
# llm=llm,
# retriever=vectorstore.as_retriever(),
# memory=memory
# )
# return conversation_chain # μƒμ„±λœ λŒ€ν™” 체인을 λ°˜ν™˜ν•©λ‹ˆλ‹€.
# # μ‚¬μš©μž μž…λ ₯을 μ²˜λ¦¬ν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
# def handle_userinput(user_question):
# print('user_question => ', user_question)
# # λŒ€ν™” 체인을 μ‚¬μš©ν•˜μ—¬ μ‚¬μš©μž μ§ˆλ¬Έμ— λŒ€ν•œ 응닡을 μƒμ„±ν•©λ‹ˆλ‹€.
# response = st.session_state.conversation({'question': user_question})
# # λŒ€ν™” 기둝을 μ €μž₯ν•©λ‹ˆλ‹€.
# 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)
# # λŒ€ν™” 체인이 μ„Έμ…˜ μƒνƒœμ— μ—†κ±°λ‚˜ None인 경우 μ΄ˆκΈ°ν™”ν•©λ‹ˆλ‹€.
# if "conversation" not in st.session_state or st.session_state.conversation is None:
# # μ μ ˆν•œ λ°μ΄ν„°λ‘œ text_chunksλ₯Ό μ •μ˜ν•΄μ•Ό ν•©λ‹ˆλ‹€.
# 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 # μž„μ‹œ νŒŒμΌμ„ μƒμ„±ν•˜κΈ° μœ„ν•œ λΌμ΄λΈŒλŸ¬λ¦¬μž…λ‹ˆλ‹€.
import os
from huggingface_hub import hf_hub_download # Hugging Face Hubμ—μ„œ λͺ¨λΈμ„ λ‹€μš΄λ‘œλ“œν•˜κΈ° μœ„ν•œ ν•¨μˆ˜μž…λ‹ˆλ‹€.
# PDF λ¬Έμ„œλ‘œλΆ€ν„° ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
def get_pdf_text(pdf_docs):
temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
temp_filepath = os.path.join(temp_dir.name, pdf_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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‹€.
f.write(pdf_docs.getvalue()) # PDF λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
pdf_loader = PyPDFLoader(temp_filepath) # PyPDFLoaderλ₯Ό μ‚¬μš©ν•΄ PDFλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
pdf_doc = pdf_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
return pdf_doc # μΆ”μΆœν•œ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
def get_text_file(text_docs):
temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
temp_filepath = os.path.join(temp_dir.name, text_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
with open(temp_filepath, "wb") as f: # μž„μ‹œ νŒŒμΌμ„ ν…μŠ€νŠΈ μ“°κΈ° λͺ¨λ“œλ‘œ μ—½λ‹ˆλ‹€.
f.write(text_docs.getvalue()) # ν…μŠ€νŠΈ λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
text_loader = TextLoader(temp_filepath) # TextLoaderλ₯Ό μ‚¬μš©ν•΄ ν…μŠ€νŠΈ λ¬Έμ„œλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
text_doc = text_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
return text_doc # μΆ”μΆœλœ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
def get_csv_file(csv_docs):
temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
temp_filepath = os.path.join(temp_dir.name, csv_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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‹€.
f.write(csv_docs.getvalue()) # CSV λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
csv_loader = CSVLoader(file_path=temp_filepath) # CSVLoaderλ₯Ό μ‚¬μš©ν•΄ CSV λ¬Έμ„œλ₯Ό λ‘œλ“œν•©λ‹ˆλ‹€.
csv_doc = csv_loader.load() # ν…μŠ€νŠΈλ₯Ό μΆ”μΆœν•©λ‹ˆλ‹€.
return csv_doc # μΆ”μΆœλœ ν…μŠ€νŠΈλ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
def get_json_file(json_docs):
temp_dir = tempfile.TemporaryDirectory() # μž„μ‹œ 디렉토리λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
temp_filepath = os.path.join(temp_dir.name, json_docs.name) # μž„μ‹œ 파일 경둜λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
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‹€.
f.write(json_docs.getvalue()) # JSON λ¬Έμ„œμ˜ λ‚΄μš©μ„ μž„μ‹œ νŒŒμΌμ— μ”λ‹ˆλ‹€.
json_loader = JSONLoader(file_path=temp_filepath, jq_schema='.message[].content',text_content=False)
# λ¬Έμ„œλ“€μ„ μ²˜λ¦¬ν•˜μ—¬ ν…μŠ€νŠΈ 청크둜 λ‚˜λˆ„λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
def get_text_chunks(documents):
text_splitter = RecursiveCharacterTextSplitter(
chunk_size=1000, # 청크의 크기λ₯Ό μ§€μ •ν•©λ‹ˆλ‹€.
chunk_overlap=200, # 청크 μ‚¬μ΄μ˜ 쀑볡을 μ§€μ •ν•©λ‹ˆλ‹€.
length_function=len # ν…μŠ€νŠΈμ˜ 길이λ₯Ό μΈ‘μ •ν•˜λŠ” ν•¨μˆ˜λ₯Ό μ§€μ •ν•©λ‹ˆλ‹€.
)
documents = text_splitter.split_documents(documents) # λ¬Έμ„œλ“€μ„ 청크둜 λ‚˜λˆ•λ‹ˆλ‹€.
return documents # λ‚˜λˆˆ 청크λ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
# ν…μŠ€νŠΈ μ²­ν¬λ“€λ‘œλΆ€ν„° 벑터 μŠ€ν† μ–΄λ₯Ό μƒμ„±ν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
def get_vectorstore(text_chunks):
# μ›ν•˜λŠ” μž„λ² λ”© λͺ¨λΈμ„ λ‘œλ“œν•©λ‹ˆλ‹€.
embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L12-v2',
model_kwargs={'device': 'cpu'})
vectorstore = FAISS.from_documents(text_chunks, embeddings) # FAISS 벑터 μŠ€ν† μ–΄λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
return vectorstore # μƒμ„±λœ 벑터 μŠ€ν† μ–΄λ₯Ό λ°˜ν™˜ν•©λ‹ˆλ‹€.
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, )
# λŒ€ν™” 기둝을 μ €μž₯ν•˜κΈ° μœ„ν•œ λ©”λͺ¨λ¦¬λ₯Ό μƒμ„±ν•©λ‹ˆλ‹€.
memory = ConversationBufferMemory(
memory_key='chat_history', return_messages=True)
# λŒ€ν™” 검색 체인을 μƒμ„±ν•©λ‹ˆλ‹€.
conversation_chain = ConversationalRetrievalChain.from_llm(
llm=llm,
retriever=vectorstore.as_retriever(),
memory=memory
)
return conversation_chain # μƒμ„±λœ λŒ€ν™” 체인을 λ°˜ν™˜ν•©λ‹ˆλ‹€.
# μ‚¬μš©μž μž…λ ₯을 μ²˜λ¦¬ν•˜λŠ” ν•¨μˆ˜μž…λ‹ˆλ‹€.
def handle_userinput(user_question):
print('user_question => ', user_question)
# λŒ€ν™” 체인을 μ‚¬μš©ν•˜μ—¬ μ‚¬μš©μž μ§ˆλ¬Έμ— λŒ€ν•œ 응닡을 μƒμ„±ν•©λ‹ˆλ‹€.
response = st.session_state.conversation({'question': user_question})
# λŒ€ν™” 기둝을 μ €μž₯ν•©λ‹ˆλ‹€.
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()