app.py

import os
import streamlit as st
import google.generativeai as genai
secret_key = os.getenv("SECRET_KEY")

genai.configure(api_key=secret_key)
model=genai.GenerativeModel('gemini-pro')

if 'chat' not in st.session_state:
    st.session_state.chat=model.start_chat(history=[])

st.title('chat with gemini')

def role_to_streamlit(role):
    if role=='model':
        return 'assistant'
    else:
        return role

for message in st.session_state.chat.history:
    with st.chat_message(role_to_streamlit(message.role)):
        st.markdown(message.parts[0].text)

if prompt := st.chat_input('i posses knowledge what do you like to know'):
    st.chat_message('user').markdown(prompt)
    response=st.session_state.chat.send_message(prompt)
    with st.chat_message('assistant'):
        st.markdown(response.text)