Initalize streamlit app

.gitignore

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+.env

app.py

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+""" Simplebot
+@author: Vishnudhat Natarajan
+@email: vishnudhat@gmail.com
+
+"""
+import numpy as np
+import streamlit as st
+from openai import OpenAI
+import os
+import sys
+from dotenv import load_dotenv, dotenv_values
+load_dotenv()
+
+
+
+
+
+# initialize the client
+client = OpenAI(
+  base_url="https://api-inference.huggingface.co/v1",
+  api_key=os.environ.get('HUGGINGFACEHUB_API_TOKEN')
+) 
+
+
+
+
+#Create supported models
+model_links ={
+    "Meta-Llama-3-8B":"meta-llama/Meta-Llama-3-8B-Instruct", 
+    "Mistral-7B":"mistralai/Mistral-7B-Instruct-v0.2",
+    "Gemma-7B":"google/gemma-1.1-7b-it",
+    "Gemma-2B":"google/gemma-1.1-2b-it",
+    "Zephyr-7B-β":"HuggingFaceH4/zephyr-7b-beta",
+
+}
+
+#Pull info about the model to display
+model_info ={
+    "Mistral-7B":
+        {'description':"""The Mistral model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
+            \nIt was created by the [**Mistral AI**](https://mistral.ai/news/announcing-mistral-7b/) team as has over  **7 billion parameters.** \n""",
+        'logo':'https://mistral.ai/images/logo_hubc88c4ece131b91c7cb753f40e9e1cc5_2589_256x0_resize_q97_h2_lanczos_3.webp'},
+    "Gemma-7B":        
+        {'description':"""The Gemma model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
+            \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""",
+        'logo':'https://pbs.twimg.com/media/GG3sJg7X0AEaNIq.jpg'},
+    "Gemma-2B":        
+    {'description':"""The Gemma model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
+        \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""",
+    'logo':'https://pbs.twimg.com/media/GG3sJg7X0AEaNIq.jpg'},
+    "Zephyr-7B":        
+    {'description':"""The Zephyr model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
+        \nFrom Huggingface: \n\
+        Zephyr is a series of language models that are trained to act as helpful assistants. \
+        [Zephyr 7B Gemma](https://huggingface.co/HuggingFaceH4/zephyr-7b-gemma-v0.1)\
+        is the third model in the series, and is a fine-tuned version of google/gemma-7b \
+        that was trained on on a mix of publicly available, synthetic datasets using Direct Preference Optimization (DPO)\n""",
+    'logo':'https://huggingface.co/HuggingFaceH4/zephyr-7b-gemma-v0.1/resolve/main/thumbnail.png'},
+    "Zephyr-7B-β":        
+    {'description':"""The Zephyr model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
+        \nFrom Huggingface: \n\
+        Zephyr is a series of language models that are trained to act as helpful assistants. \
+        [Zephyr-7B-β](https://huggingface.co/HuggingFaceH4/zephyr-7b-beta)\
+        is the second model in the series, and is a fine-tuned version of mistralai/Mistral-7B-v0.1 \
+        that was trained on on a mix of publicly available, synthetic datasets using Direct Preference Optimization (DPO)\n""",
+    'logo':'https://huggingface.co/HuggingFaceH4/zephyr-7b-alpha/resolve/main/thumbnail.png'},
+    "Meta-Llama-3-8B":
+    {'description':"""The Llama (3) model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
+        \nIt was created by the [**Meta's AI**](https://llama.meta.com/) team and has over  **8 billion parameters.** \n""",
+    'logo':'Llama_logo.png'},
+}
+
+
+#Random dog images for error message
+random_dog = ["0f476473-2d8b-415e-b944-483768418a95.jpg",
+              "1bd75c81-f1d7-4e55-9310-a27595fa8762.jpg",
+              "526590d2-8817-4ff0-8c62-fdcba5306d02.jpg",
+              "1326984c-39b0-492c-a773-f120d747a7e2.jpg",
+              "42a98d03-5ed7-4b3b-af89-7c4876cb14c3.jpg",
+              "8b3317ed-2083-42ac-a575-7ae45f9fdc0d.jpg",
+              "ee17f54a-83ac-44a3-8a35-e89ff7153fb4.jpg",
+              "027eef85-ccc1-4a66-8967-5d74f34c8bb4.jpg",
+              "08f5398d-7f89-47da-a5cd-1ed74967dc1f.jpg",
+              "0fd781ff-ec46-4bdc-a4e8-24f18bf07def.jpg",
+              "0fb4aeee-f949-4c7b-a6d8-05bf0736bdd1.jpg",
+              "6edac66e-c0de-4e69-a9d6-b2e6f6f9001b.jpg",
+              "bfb9e165-c643-4993-9b3a-7e73571672a6.jpg"]
+
+
+
+def reset_conversation():
+    '''
+    Resets Conversation
+    '''
+    st.session_state.conversation = []
+    st.session_state.messages = []
+    return None
+    
+
+
+
+# Define the available models
+models =[key for key in model_links.keys()]
+
+# Create the sidebar with the dropdown for model selection
+selected_model = st.sidebar.selectbox("Select Model", models)
+
+#Create a temperature slider
+temp_values = st.sidebar.slider('Select a temperature value', 0.0, 1.0, (0.5))
+
+
+#Add reset button to clear conversation
+st.sidebar.button('Reset Chat', on_click=reset_conversation) #Reset button
+
+
+# Create model description
+st.sidebar.write(f"You're now chatting with **{selected_model}**")
+st.sidebar.markdown(model_info[selected_model]['description'])
+st.sidebar.image(model_info[selected_model]['logo'])
+st.sidebar.markdown("*Generated content may be inaccurate or false.*")
+
+
+if "prev_option" not in st.session_state:
+    st.session_state.prev_option = selected_model
+
+if st.session_state.prev_option != selected_model:
+    st.session_state.messages = []
+    # st.write(f"Changed to {selected_model}")
+    st.session_state.prev_option = selected_model
+    reset_conversation()
+
+
+
+#Pull in the model we want to use
+repo_id = model_links[selected_model]
+
+
+st.subheader(f'AI - {selected_model}')
+# st.title(f'ChatBot Using {selected_model}')
+
+# Set a default model
+if selected_model not in st.session_state:
+    st.session_state[selected_model] = model_links[selected_model] 
+
+# Initialize chat history
+if "messages" not in st.session_state:
+    st.session_state.messages = []
+
+
+# Display chat messages from history on app rerun
+for message in st.session_state.messages:
+    with st.chat_message(message["role"]):
+        st.markdown(message["content"])
+
+
+
+# Accept user input
+if prompt := st.chat_input(f"Hi I'm {selected_model}, ask me a question"):
+
+    # Display user message in chat message container
+    with st.chat_message("user"):
+        st.markdown(prompt)
+    # Add user message to chat history
+    st.session_state.messages.append({"role": "user", "content": prompt})
+
+
+    # Display assistant response in chat message container
+    with st.chat_message("assistant"):
+
+        try:
+            stream = client.chat.completions.create(
+                model=model_links[selected_model],
+                messages=[
+                    {"role": m["role"], "content": m["content"]}
+                    for m in st.session_state.messages
+                ],
+                temperature=temp_values,#0.5,
+                stream=True,
+                max_tokens=3000,
+            )
+    
+            response = st.write_stream(stream)
+
+        except Exception as e:
+            # st.empty()
+            response = "😵‍💫 Looks like someone unplugged something!\
+                    \n Either the model space is being updated or something is down.\
+                    \n\
+                    \n Try again later. \
+                    \n\
+                    \n Here's a random pic of a 🐶:"
+            st.write(response)
+            random_dog_pick = 'https://random.dog/'+ random_dog[np.random.randint(len(random_dog))]
+            st.image(random_dog_pick)
+            st.write("This was the error message:")
+            st.write(e)
+
+
+
+        
+    st.session_state.messages.append({"role": "assistant", "content": response})

requirements.txt

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+openai
+langchain
+python-dotenv
+langchain-community