Chatbot.py

from openai import OpenAI
import streamlit as st
import warnings

st.set_page_config(page_title="NBsTem", page_icon="images/logo.ico", layout="wide", initial_sidebar_state="collapsed", # centered,wide  auto,expanded,collapsed
                    menu_items={'About': "*NBsTem v1.0* —— A web server for Nanobody Thermostability Prediction."})

warnings.filterwarnings("ignore")


openai_api_key = "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"

st.title("💬 Chatbot")
st.caption("🚀 A streamlit chatbot powered by OpenAI LLM")
if "messages" not in st.session_state:
    st.session_state["messages"] = [{"role": "assistant", "content": "How can I help you?"}]

for msg in st.session_state.messages:
    st.chat_message(msg["role"]).write(msg["content"])

if prompt := st.chat_input():
    if not openai_api_key:
        st.info("Please add your OpenAI API key to continue.")
        st.stop()

    client = OpenAI(api_key=openai_api_key)
    st.session_state.messages.append({"role": "user", "content": prompt})
    st.chat_message("user").write(prompt)
    response = client.chat.completions.create(model="gpt-3.5-turbo", messages=st.session_state.messages) #gpt-3.5-turbo
    msg = response.choices[0].message.content
    st.session_state.messages.append({"role": "assistant", "content": msg})
    st.chat_message("assistant").write(msg)