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| import streamlit as st | |
| import os | |
| import openai | |
| from openai import OpenAI | |
| # App title | |
| st.set_page_config(page_title="💬 Open AI Chatbot") | |
| # Replicate Credentials | |
| with st.sidebar: | |
| st.title('💬 Open AI Chatbot') | |
| st.write('This chatbot is created using the GPT model from Open AI.') | |
| if 'OPENAI_API_KEY' in st.secrets: | |
| st.success('API key already provided!', icon='✅') | |
| openai_api = st.secrets['OPENAI_API_KEY'] | |
| else: | |
| openai_api = st.text_input('Enter OpenAI API token:', type='password') | |
| if not (openai_api.startswith('sk-') and len(openai_api)==51): | |
| st.warning('Please enter your credentials!', icon='⚠️') | |
| else: | |
| st.success('Proceed to entering your prompt message!', icon='👉') | |
| os.environ['OPENAI_API_KEY'] = openai_api | |
| st.subheader('Models and parameters') | |
| selected_model = st.sidebar.selectbox('Choose an OpenAI model', ['gpt-3.5-turbo-1106', 'gpt-4-1106-preview'], key='selected_model') | |
| temperature = st.sidebar.slider('temperature', min_value=0.01, max_value=5.0, value=0.1, step=0.01) | |
| st.markdown('📖 Reach out to Sakimilo to learn how to create this app!') | |
| # Store LLM generated responses | |
| if "messages" not in st.session_state.keys(): | |
| st.session_state.messages = [{"role": "assistant", "content": "How may I assist you today?"}] | |
| # Display or clear chat messages | |
| for message in st.session_state.messages: | |
| with st.chat_message(message["role"]): | |
| st.write(message["content"]) | |
| def clear_chat_history(): | |
| st.session_state.messages = [{"role": "assistant", "content": "How may I assist you today?"}] | |
| st.sidebar.button('Clear Chat History', on_click=clear_chat_history) | |
| def generate_llm_response(prompt_input): | |
| system_content = ("You are a helpful assistant. " | |
| "You do not respond as 'User' or pretend to be 'User'. " | |
| "You only respond once as 'Assistant'." | |
| ) | |
| completion = client.chat.completions.create( | |
| model=selected_model, | |
| messages=[ | |
| {"role": "system", "content": system_content}, | |
| ] + st.session_state.messages, | |
| temperature=temperature | |
| ) | |
| return completion.choices[0].message.content | |
| # User-provided prompt | |
| if prompt := st.chat_input(disabled=not openai_api): | |
| client = OpenAI() | |
| st.session_state.messages.append({"role": "user", "content": prompt}) | |
| with st.chat_message("user"): | |
| st.write(prompt) | |
| # Generate a new response if last message is not from assistant | |
| if st.session_state.messages[-1]["role"] != "assistant": | |
| with st.chat_message("assistant"): | |
| with st.spinner("Thinking..."): | |
| response = generate_llm_response(prompt) | |
| placeholder = st.empty() | |
| full_response = '' | |
| for item in response: | |
| full_response += item | |
| placeholder.markdown(full_response) | |
| placeholder.markdown(full_response) | |
| message = {"role": "assistant", "content": full_response} | |
| st.session_state.messages.append(message) |