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| import streamlit as st | |
| from streamlit_chat import message | |
| from streamlit_extras.colored_header import colored_header | |
| from streamlit_extras.add_vertical_space import add_vertical_space | |
| from hugchat import hugchat | |
| st.set_page_config(page_title="HugChat - An LLM-powered Streamlit app") | |
| # Sidebar contents | |
| with st.sidebar: | |
| st.title('🤗💬 HugChat App') | |
| st.markdown(''' | |
| ## About | |
| This app is an LLM-powered chatbot built using: | |
| - [Streamlit](https://streamlit.io/) | |
| - [OpenAssistant/oasst-sft-6-llama-30b-xor](https://huggingface.co/OpenAssistant/oasst-sft-6-llama-30b-xor) LLM model | |
| 💡 Note: No API key required! | |
| ''') | |
| add_vertical_space(5) | |
| st.write('Made with ❤️ by [Data Professor](https://youtube.com/dataprofessor)') | |
| # Generate empty lists for generated and past. | |
| ## generated stores AI generated responses | |
| if 'generated' not in st.session_state: | |
| st.session_state['generated'] = ["I'm HugChat, How may I help you?"] | |
| ## past stores User's questions | |
| if 'past' not in st.session_state: | |
| st.session_state['past'] = ['Hi!'] | |
| # Layout of input/response containers | |
| input_container = st.container() | |
| colored_header(label='', description='', color_name='blue-30') | |
| response_container = st.container() | |
| # User input | |
| ## Function for taking user provided prompt as input | |
| def get_text(): | |
| input_text = st.text_input("You: ", "", key="input") | |
| return input_text | |
| ## Applying the user input box | |
| with input_container: | |
| user_input = get_text() | |
| # Response output | |
| ## Function for taking user prompt as input followed by producing AI generated responses | |
| def generate_response(prompt): | |
| chatbot = hugchat.ChatBot() | |
| response = chatbot.chat(prompt) | |
| return response | |
| ## Conditional display of AI generated responses as a function of user provided prompts | |
| with response_container: | |
| if user_input: | |
| response = generate_response(user_input) | |
| st.session_state.past.append(user_input) | |
| st.session_state.generated.append(response) | |
| if st.session_state['generated']: | |
| for i in range(len(st.session_state['generated'])): | |
| message(st.session_state['past'][i], is_user=True, key=str(i) + '_user') | |
| message(st.session_state["generated"][i], key=str(i)) |