Delete app.py
Browse files
app.py
DELETED
|
@@ -1,147 +0,0 @@
|
|
| 1 |
-
import streamlit as st
|
| 2 |
-
from dotenv import load_dotenv
|
| 3 |
-
from langchain.text_splitter import CharacterTextSplitter, RecursiveCharacterTextSplitter
|
| 4 |
-
from langchain.vectorstores import FAISS
|
| 5 |
-
from langchain.embeddings import HuggingFaceEmbeddings # General embeddings from HuggingFace models.
|
| 6 |
-
from langchain.memory import ConversationBufferMemory
|
| 7 |
-
from langchain.chains import ConversationalRetrievalChain
|
| 8 |
-
from htmlTemplates import css, bot_template, user_template
|
| 9 |
-
from langchain.llms import LlamaCpp # For loading transformer models.
|
| 10 |
-
from langchain.document_loaders import PyPDFLoader, TextLoader, JSONLoader, CSVLoader
|
| 11 |
-
import tempfile # ์์ ํ์ผ์ ์์ฑํ๊ธฐ ์ํ ๋ผ์ด๋ธ๋ฌ๋ฆฌ์
๋๋ค.
|
| 12 |
-
import os
|
| 13 |
-
from huggingface_hub import hf_hub_download # Hugging Face Hub์์ ๋ชจ๋ธ์ ๋ค์ด๋ก๋ํ๊ธฐ ์ํ ํจ์์
๋๋ค.
|
| 14 |
-
|
| 15 |
-
# PDF ๋ฌธ์๋ก๋ถํฐ ํ
์คํธ๋ฅผ ์ถ์ถํ๋ ํจ์์
๋๋ค.
|
| 16 |
-
def get_pdf_text(pdf_docs):
|
| 17 |
-
temp_dir = tempfile.TemporaryDirectory() # ์์ ๋๋ ํ ๋ฆฌ๋ฅผ ์์ฑํฉ๋๋ค.
|
| 18 |
-
temp_filepath = os.path.join(temp_dir.name, pdf_docs.name) # ์์ ํ์ผ ๊ฒฝ๋ก๋ฅผ ์์ฑํฉ๋๋ค.
|
| 19 |
-
with open(temp_filepath, "wb") as f: # ์์ ํ์ผ์ ๋ฐ์ด๋๋ฆฌ ์ฐ๊ธฐ ๋ชจ๋๋ก ์ฝ๋๋ค.
|
| 20 |
-
f.write(pdf_docs.getvalue()) # PDF ๋ฌธ์์ ๋ด์ฉ์ ์์ ํ์ผ์ ์๋๋ค.
|
| 21 |
-
pdf_loader = PyPDFLoader(temp_filepath) # PyPDFLoader๋ฅผ ์ฌ์ฉํด PDF๋ฅผ ๋ก๋ํฉ๋๋ค.
|
| 22 |
-
pdf_doc = pdf_loader.load() # ํ
์คํธ๋ฅผ ์ถ์ถํฉ๋๋ค.
|
| 23 |
-
return pdf_doc # ์ถ์ถํ ํ
์คํธ๋ฅผ ๋ฐํํฉ๋๋ค.
|
| 24 |
-
|
| 25 |
-
# ๊ณผ์
|
| 26 |
-
# ์๋ ํ
์คํธ ์ถ์ถ ํจ์๋ฅผ ์์ฑ
|
| 27 |
-
def get_text_file(docs):
|
| 28 |
-
pass
|
| 29 |
-
|
| 30 |
-
def get_csv_file(docs):
|
| 31 |
-
pass
|
| 32 |
-
|
| 33 |
-
def get_json_file(docs):
|
| 34 |
-
pass
|
| 35 |
-
|
| 36 |
-
|
| 37 |
-
# ๋ฌธ์๋ค์ ์ฒ๋ฆฌํ์ฌ ํ
์คํธ ์ฒญํฌ๋ก ๋๋๋ ํจ์์
๋๋ค.
|
| 38 |
-
def get_text_chunks(documents):
|
| 39 |
-
text_splitter = RecursiveCharacterTextSplitter(
|
| 40 |
-
chunk_size=1000, # ์ฒญํฌ์ ํฌ๊ธฐ๋ฅผ ์ง์ ํฉ๋๋ค.
|
| 41 |
-
chunk_overlap=200, # ์ฒญํฌ ์ฌ์ด์ ์ค๋ณต์ ์ง์ ํฉ๋๋ค.
|
| 42 |
-
length_function=len # ํ
์คํธ์ ๊ธธ์ด๋ฅผ ์ธก์ ํ๋ ํจ์๋ฅผ ์ง์ ํฉ๋๋ค.
|
| 43 |
-
)
|
| 44 |
-
|
| 45 |
-
documents = text_splitter.split_documents(documents) # ๋ฌธ์๋ค์ ์ฒญํฌ๋ก ๋๋๋๋ค.
|
| 46 |
-
return documents # ๋๋ ์ฒญํฌ๋ฅผ ๋ฐํํฉ๋๋ค.
|
| 47 |
-
|
| 48 |
-
|
| 49 |
-
# ํ
์คํธ ์ฒญํฌ๋ค๋ก๋ถํฐ ๋ฒกํฐ ์คํ ์ด๋ฅผ ์์ฑํ๋ ํจ์์
๋๋ค.
|
| 50 |
-
def get_vectorstore(text_chunks):
|
| 51 |
-
# ์ํ๋ ์๋ฒ ๋ฉ ๋ชจ๋ธ์ ๋ก๋ํฉ๋๋ค.
|
| 52 |
-
embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L12-v2',
|
| 53 |
-
model_kwargs={'device': 'cpu'}) # ์๋ฒ ๋ฉ ๋ชจ๋ธ์ ์ค์ ํฉ๋๋ค.
|
| 54 |
-
vectorstore = FAISS.from_documents(text_chunks, embeddings) # FAISS ๋ฒกํฐ ์คํ ์ด๋ฅผ ์์ฑํฉ๋๋ค.
|
| 55 |
-
return vectorstore # ์์ฑ๋ ๋ฒกํฐ ์คํ ์ด๋ฅผ ๋ฐํํฉ๋๋ค.
|
| 56 |
-
|
| 57 |
-
|
| 58 |
-
def get_conversation_chain(vectorstore):
|
| 59 |
-
model_name_or_path = 'TheBloke/Llama-2-7B-chat-GGUF'
|
| 60 |
-
model_basename = 'llama-2-7b-chat.Q2_K.gguf'
|
| 61 |
-
model_path = hf_hub_download(repo_id=model_name_or_path, filename=model_basename)
|
| 62 |
-
|
| 63 |
-
llm = LlamaCpp(model_path=model_path,
|
| 64 |
-
n_ctx=4086,
|
| 65 |
-
input={"temperature": 0.75, "max_length": 2000, "top_p": 1},
|
| 66 |
-
verbose=True, )
|
| 67 |
-
# ๋ํ ๊ธฐ๋ก์ ์ ์ฅํ๊ธฐ ์ํ ๋ฉ๋ชจ๋ฆฌ๋ฅผ ์์ฑํฉ๋๋ค.
|
| 68 |
-
memory = ConversationBufferMemory(
|
| 69 |
-
memory_key='chat_history', return_messages=True)
|
| 70 |
-
# ๋ํ ๊ฒ์ ์ฒด์ธ์ ์์ฑํฉ๋๋ค.
|
| 71 |
-
conversation_chain = ConversationalRetrievalChain.from_llm(
|
| 72 |
-
llm=llm,
|
| 73 |
-
retriever=vectorstore.as_retriever(),
|
| 74 |
-
memory=memory
|
| 75 |
-
)
|
| 76 |
-
return conversation_chain # ์์ฑ๋ ๋ํ ์ฒด์ธ์ ๋ฐํํฉ๋๋ค.
|
| 77 |
-
|
| 78 |
-
# ์ฌ์ฉ์ ์
๋ ฅ์ ์ฒ๋ฆฌํ๋ ํจ์์
๋๋ค.
|
| 79 |
-
def handle_userinput(user_question):
|
| 80 |
-
print('user_question => ', user_question)
|
| 81 |
-
# ๋ํ ์ฒด์ธ์ ์ฌ์ฉํ์ฌ ์ฌ์ฉ์ ์ง๋ฌธ์ ๋ํ ์๋ต์ ์์ฑํฉ๋๋ค.
|
| 82 |
-
response = st.session_state.conversation({'question': user_question})
|
| 83 |
-
# ๋ํ ๊ธฐ๋ก์ ์ ์ฅํฉ๋๋ค.
|
| 84 |
-
st.session_state.chat_history = response['chat_history']
|
| 85 |
-
|
| 86 |
-
for i, message in enumerate(st.session_state.chat_history):
|
| 87 |
-
if i % 2 == 0:
|
| 88 |
-
st.write(user_template.replace(
|
| 89 |
-
"{{MSG}}", message.content), unsafe_allow_html=True)
|
| 90 |
-
else:
|
| 91 |
-
st.write(bot_template.replace(
|
| 92 |
-
"{{MSG}}", message.content), unsafe_allow_html=True)
|
| 93 |
-
|
| 94 |
-
|
| 95 |
-
def main():
|
| 96 |
-
load_dotenv()
|
| 97 |
-
st.set_page_config(page_title="Chat with multiple Files",
|
| 98 |
-
page_icon=":books:")
|
| 99 |
-
st.write(css, unsafe_allow_html=True)
|
| 100 |
-
|
| 101 |
-
if "conversation" not in st.session_state:
|
| 102 |
-
st.session_state.conversation = None
|
| 103 |
-
if "chat_history" not in st.session_state:
|
| 104 |
-
st.session_state.chat_history = None
|
| 105 |
-
|
| 106 |
-
st.header("Chat with multiple Files:")
|
| 107 |
-
user_question = st.text_input("Ask a question about your documents:")
|
| 108 |
-
if user_question:
|
| 109 |
-
handle_userinput(user_question)
|
| 110 |
-
|
| 111 |
-
with st.sidebar:
|
| 112 |
-
st.subheader("Your documents")
|
| 113 |
-
docs = st.file_uploader(
|
| 114 |
-
"Upload your PDFs here and click on 'Process'", accept_multiple_files=True)
|
| 115 |
-
if st.button("Process"):
|
| 116 |
-
with st.spinner("Processing"):
|
| 117 |
-
# get pdf text
|
| 118 |
-
doc_list = []
|
| 119 |
-
|
| 120 |
-
for file in docs:
|
| 121 |
-
print('file - type : ', file.type)
|
| 122 |
-
if file.type == 'text/plain':
|
| 123 |
-
# file is .txt
|
| 124 |
-
doc_list.extend(get_text_file(file))
|
| 125 |
-
elif file.type in ['application/octet-stream', 'application/pdf']:
|
| 126 |
-
# file is .pdf
|
| 127 |
-
doc_list.extend(get_pdf_text(file))
|
| 128 |
-
elif file.type == 'text/csv':
|
| 129 |
-
# file is .csv
|
| 130 |
-
doc_list.extend(get_csv_file(file))
|
| 131 |
-
elif file.type == 'application/json':
|
| 132 |
-
# file is .json
|
| 133 |
-
doc_list.extend(get_json_file(file))
|
| 134 |
-
|
| 135 |
-
# get the text chunks
|
| 136 |
-
text_chunks = get_text_chunks(doc_list)
|
| 137 |
-
|
| 138 |
-
# create vector store
|
| 139 |
-
vectorstore = get_vectorstore(text_chunks)
|
| 140 |
-
|
| 141 |
-
# create conversation chain
|
| 142 |
-
st.session_state.conversation = get_conversation_chain(
|
| 143 |
-
vectorstore)
|
| 144 |
-
|
| 145 |
-
|
| 146 |
-
if __name__ == '__main__':
|
| 147 |
-
main()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|