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import streamlit as st
import replicate
import os
# App title
st.set_page_config(page_title="Chat with Snowflake Arctic")
# Replicate Credentials
with st.sidebar:
st.title('Chat with Snowflake Arctic')
if 'REPLICATE_API_TOKEN' in st.secrets:
st.success('API token loaded!', icon='✅')
replicate_api = st.secrets['REPLICATE_API_TOKEN']
else:
replicate_api = st.text_input('Enter Replicate API token:', type='password')
if not (replicate_api.startswith('r8_') and len(replicate_api)==40):
st.warning('Please enter your Replicate API token.', icon='⚠️')
st.markdown("**Don't have an API token?** Head over to [Replicate](https://replicate.com) to sign up for one.")
else:
st.success('API token loaded!', icon='✅')
os.environ['REPLICATE_API_TOKEN'] = replicate_api
st.subheader("Adjust model parameters")
temperature = st.sidebar.slider('temperature', min_value=0.01, max_value=5.0, value=0.6, step=0.01)
top_p = st.sidebar.slider('top_p', min_value=0.01, max_value=1.0, value=0.9, step=0.01)
max_length = st.sidebar.slider('max_length', min_value=32, max_value=128, value=120, step=8)
# Store LLM-generated responses
if "messages" not in st.session_state.keys():
st.session_state.messages = [{"role": "assistant", "content": "Ask me anything"}]
# 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": "Ask me anything"}]
st.sidebar.button('Clear chat history', on_click=clear_chat_history)
# Function for generating Snowflake Arctic response
def generate_arctic_response(prompt_input):
string_dialogue = "You are a helpful assistant. You do not respond as 'User' or pretend to be 'User.' You only respond once as 'Assistant.'"
for dict_message in st.session_state.messages:
if dict_message["role"] == "user":
string_dialogue += "<|im_start|>user\n" + dict_message["content"] + "\n<|eot_id|>\n"
else:
string_dialogue += "<|im_start|>assistant\n" + dict_message["content"] + "\n<|eot_id|>\n"
for event in replicate.stream("snowflake/snowflake-arctic-instruct",
input={"prompt": f"""
<|im_start|>system
You're a helpful assistant<|im_end|>
<|im_start|>user
{string_dialogue}
<|im_end|>
<|im_start|>assistant
""",
"prompt_template": r"{prompt}",
"temperature": temperature,
"top_p": top_p,
"max_length": max_length,
"repetition_penalty":1}):
yield str(event)
# User-provided prompt
if prompt := st.chat_input(disabled=not replicate_api):
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_arctic_response(prompt)
full_response = st.write_stream(response)
message = {"role": "assistant", "content": full_response}
st.session_state.messages.append(message) |