Delete lib/chatbot_custom/chatbot_local_docqa.py

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2025-02-12 19:54:47 +05:30
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import os
import streamlit as st
from llama_index.core import VectorStoreIndex, SimpleDirectoryReader, ServiceContext, Document
from llama_index.llms.openai import OpenAI
import openai
from pathlib import Path
from dotenv import load_dotenv
# Load environment variables
load_dotenv(Path("../../.env"))
openai.api_key = os.getenv("OPENAI_API_KEY")
def initialize_session_state():
"""Initialize the chat message history in session state."""
if "messages" not in st.session_state:
st.session_state.messages = [
{"role": "assistant", "content": f"Ask me a question about documents from {LOCAL_BRAIN_DATA} or from the Web."}
]
@st.cache_resource(show_spinner=False)
def load_data(input_dir):
"""Load and index documents from the specified directory."""
with st.spinner("Loading and indexing your docs – hang tight! This should take 1-2 minutes."):
reader = SimpleDirectoryReader(input_dir=input_dir, recursive=True)
docs = reader.load_data()
service_context = ServiceContext.from_defaults(
llm=OpenAI(
model="gpt-3.5-turbo",
temperature=0.5,
system_prompt=(
"You are an expert on content & digital marketing and your job is to answer technical questions."
"Assume that all questions are related to provided documents, as context."
"Keep your answers technical and based on facts – do not hallucinate features."
)
)
)
index = VectorStoreIndex.from_documents(docs, service_context=service_context)
return index
def display_chat_history():
"""Display the chat message history."""
for message in st.session_state.messages:
with st.chat_message(message["role"]):
st.write(message["content"])
def generate_response(prompt, chat_engine):
"""Generate a response from the chat engine and update the chat history."""
if prompt:
st.session_state.messages.append({"role": "user", "content": prompt})
with st.chat_message("assistant"):
with st.spinner("Thinking..."):
response = chat_engine.chat(prompt)
st.write(response.response)
st.session_state.messages.append({"role": "assistant", "content": response.response})
def alwrity_chat_docqa():
"""Main function to run the Streamlit app."""
st.header("Ask Alwrity 💬 📚")
initialize_session_state()
option = st.radio(
"Choose Data Source To Ask From:",
("Ask Your Local Docs", "Ask Your PDFs", "Ask Your Videos", "Ask Your Audio Files")
)
if option == "Ask Your Local Docs":
input_dir = st.text_input("Enter the path to the folder:")
if input_dir:
st.session_state.input_dir = input_dir
elif option == "Ask Your PDFs":
pdf_file = st.file_uploader("Upload a PDF file or enter a URL:", type=["pdf"])
if pdf_file:
st.session_state.input_file = pdf_file
elif option == "Ask Your Videos":
video_dir = st.text_input("Enter the path to the video folder:")
if video_dir:
st.session_state.input_dir = video_dir
elif option == "Ask Your Audio Files":
audio_dir = st.text_input("Enter the path to the audio folder:")
if audio_dir:
st.session_state.input_dir = audio_dir
if 'input_dir' in st.session_state:
index = load_data(st.session_state.input_dir)
chat_engine = index.as_chat_engine(chat_mode="condense_question", verbose=True)
display_chat_history()
prompt = st.chat_input("Your question")
if st.session_state.messages[-1]["role"] != "assistant":
generate_response(prompt, chat_engine)
elif 'input_file' in st.session_state:
# Handle PDF file or URL input here
st.write("Handling PDF file or URL input is not implemented yet.")