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Create app.py
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app.py
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### app.py code is taken from https://huggingface.co/spaces/ngebodh/SimpleChatbot-Backup/blob/main/app.py
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### https://medium.com/@nigelgebodh/large-language-models-chatting-with-ai-chatbots-from-google-mistral-ai-and-hugging-face-b33efedea38d
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""" Simple Chatbot
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@author: Sagar Padhiyar
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@email: [email protected]
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"""
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import streamlit as st
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from openai import OpenAI
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import os
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import sys
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from dotenv import load_dotenv, dotenv_values
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load_dotenv()
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# initialize the client
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client = OpenAI(
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base_url="https://api-inference.huggingface.co/v1",
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api_key=os.environ.get('HUGGINGFACEHUB_API_TOKEN')#"hf_xxx" # Replace with your token
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)
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#Create supported models
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model_links ={
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"Mistral":"mistralai/Mistral-7B-Instruct-v0.2",
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"Gemma-7B":"google/gemma-7b-it",
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"Gemma-2B":"google/gemma-2b-it",
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"Zephyr-7B-β":"HuggingFaceH4/zephyr-7b-beta",
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# "Llama-2":"meta-llama/Llama-2-7b-chat-hf"
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}
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#Pull info about the model to display
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model_info ={
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"Mistral":
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{'description':"""The Mistral model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
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\nIt was created by the [**Mistral AI**](https://mistral.ai/news/announcing-mistral-7b/) team as has over **7 billion parameters.** \n""",
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'logo':'https://mistral.ai/images/logo_hubc88c4ece131b91c7cb753f40e9e1cc5_2589_256x0_resize_q97_h2_lanczos_3.webp'},
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"Gemma-7B":
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{'description':"""The Gemma model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
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\nIt was created by the [**Google's AI Team**](https://blog.google/technology/developers/gemma-open-models/) team as has over **7 billion parameters.** \n""",
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'logo':'https://pbs.twimg.com/media/GG3sJg7X0AEaNIq.jpg'},
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"Gemma-2B":
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{'description':"""The Gemma model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
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\nIt was created by the [**Google's AI Team**](https://blog.google/technology/developers/gemma-open-models/) team as has over **2 billion parameters.** \n""",
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'logo':'https://pbs.twimg.com/media/GG3sJg7X0AEaNIq.jpg'},
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"Zephyr-7B":
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{'description':"""The Zephyr model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
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\nFrom Huggingface: \n\
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Zephyr is a series of language models that are trained to act as helpful assistants. \
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[Zephyr 7B Gemma](https://huggingface.co/HuggingFaceH4/zephyr-7b-gemma-v0.1)\
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is the third model in the series, and is a fine-tuned version of google/gemma-7b \
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that was trained on on a mix of publicly available, synthetic datasets using Direct Preference Optimization (DPO)\n""",
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'logo':'https://huggingface.co/HuggingFaceH4/zephyr-7b-gemma-v0.1/resolve/main/thumbnail.png'},
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"Zephyr-7B-β":
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{'description':"""The Zephyr model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
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\nFrom Huggingface: \n\
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Zephyr is a series of language models that are trained to act as helpful assistants. \
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[Zephyr-7B-β](https://huggingface.co/HuggingFaceH4/zephyr-7b-beta)\
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is the second model in the series, and is a fine-tuned version of mistralai/Mistral-7B-v0.1 \
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that was trained on on a mix of publicly available, synthetic datasets using Direct Preference Optimization (DPO)\n""",
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'logo':'https://huggingface.co/HuggingFaceH4/zephyr-7b-alpha/resolve/main/thumbnail.png'},
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}
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def reset_conversation():
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'''
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Resets Conversation
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'''
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st.session_state.conversation = []
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st.session_state.messages = []
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return None
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# Define the available models
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models =[key for key in model_links.keys()]
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# Create the sidebar with the dropdown for model selection
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selected_model = st.sidebar.selectbox("Select Model", models)
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#Create a temperature slider
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temp_values = st.sidebar.slider('Select a temperature value', 0.0, 1.0, (0.5))
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#Add reset button to clear conversation
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st.sidebar.button('Reset Chat', on_click=reset_conversation) #Reset button
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# Create model description
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st.sidebar.write(f"You're now chatting with **{selected_model}**")
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st.sidebar.markdown(model_info[selected_model]['description'])
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st.sidebar.image(model_info[selected_model]['logo'])
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st.sidebar.markdown("*Generated content may be inaccurate or false.*")
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st.sidebar.markdown("\nLearn how to build this chatbot [here](https://ngebodh.github.io/projects/2024-03-05/).")
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if "prev_option" not in st.session_state:
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st.session_state.prev_option = selected_model
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if st.session_state.prev_option != selected_model:
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st.session_state.messages = []
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# st.write(f"Changed to {selected_model}")
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st.session_state.prev_option = selected_model
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reset_conversation()
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#Pull in the model we want to use
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repo_id = model_links[selected_model]
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st.subheader(f'AI - {selected_model}')
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# st.title(f'ChatBot Using {selected_model}')
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# Set a default model
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if selected_model not in st.session_state:
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st.session_state[selected_model] = model_links[selected_model]
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# Initialize chat history
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if "messages" not in st.session_state:
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st.session_state.messages = []
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# Display chat messages from history on app rerun
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for message in st.session_state.messages:
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with st.chat_message(message["role"]):
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st.markdown(message["content"])
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# Accept user input
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if prompt := st.chat_input(f"Hi I'm {selected_model}, ask me a question"):
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# Display user message in chat message container
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with st.chat_message("user"):
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st.markdown(prompt)
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# Add user message to chat history
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st.session_state.messages.append({"role": "user", "content": prompt})
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# Display assistant response in chat message container
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with st.chat_message("assistant"):
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stream = client.chat.completions.create(
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model=model_links[selected_model],
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messages=[
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{"role": m["role"], "content": m["content"]}
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for m in st.session_state.messages
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],
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temperature=temp_values,#0.5,
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stream=True,
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max_tokens=3000,
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)
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response = st.write_stream(stream)
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st.session_state.messages.append({"role": "assistant", "content": response})
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