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import streamlit as st
import time
import uuid
import requests
import os
import json
chat_url = os.environ['CHAT_URL']
# Streamed response emulator
def response_generator(user_input):
payload = json.dumps({
"user_query": user_input,
"thread_id": st.session_state.session_id
})
headers = {
'Content-Type': 'application/json'
}
response = requests.request("POST", chat_url, headers=headers, data=payload)
ai_response = response.json()['ai_response']
for character in ai_response:
yield character
time.sleep(0.001)
st.title("BookBot 📚 🤖")
if "session_id" not in st.session_state:
st.session_state.session_id = str(uuid.uuid4())
# 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 user_input := st.chat_input("What is up?"):
# Add user message to chat history
st.session_state.messages.append({"role": "user", "content": user_input.strip()})
# Display user message in chat message container
with st.chat_message("user"):
st.markdown(user_input)
# Display assistant response in chat message container
with st.chat_message("assistant"):
response = st.write_stream(response_generator(user_input.strip()))
# Add assistant response to chat history
st.session_state.messages.append({"role": "assistant", "content": response})
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