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import atexit
import os
import sys
sys.path.append(os.path.join(os.path.dirname(__file__), os.path.pardir))
import streamlit as st
from streamlit_chat import message
from query_methods import query, avail_query_methods
import pickle
conversations_file = "conversations.pkl"
def load_conversations():
try:
with open(conversations_file, "rb") as f:
return pickle.load(f)
except FileNotFoundError:
return []
except EOFError:
return []
def save_conversations(conversations, current_conversation):
updated = False
for i, conversation in enumerate(conversations):
if conversation == current_conversation:
conversations[i] = current_conversation
updated = True
break
if not updated:
conversations.append(current_conversation)
temp_conversations_file = "temp_" + conversations_file
with open(temp_conversations_file, "wb") as f:
pickle.dump(conversations, f)
os.replace(temp_conversations_file, conversations_file)
def exit_handler():
print("Exiting, saving data...")
# Perform cleanup operations here, like saving data or closing open files.
save_conversations(st.session_state.conversations, st.session_state.current_conversation)
# Register the exit_handler function to be called when the program is closing.
atexit.register(exit_handler)
st.header("Chat Placeholder")
if 'conversations' not in st.session_state:
st.session_state['conversations'] = load_conversations()
if 'input_text' not in st.session_state:
st.session_state['input_text'] = ''
if 'selected_conversation' not in st.session_state:
st.session_state['selected_conversation'] = None
if 'input_field_key' not in st.session_state:
st.session_state['input_field_key'] = 0
if 'query_method' not in st.session_state:
st.session_state['query_method'] = query
# Initialize new conversation
if 'current_conversation' not in st.session_state or st.session_state['current_conversation'] is None:
st.session_state['current_conversation'] = {'user_inputs': [], 'generated_responses': []}
input_placeholder = st.empty()
user_input = input_placeholder.text_input(
'You:', key=f'input_text_{len(st.session_state["current_conversation"]["user_inputs"])}'
)
submit_button = st.button("Submit")
if user_input or submit_button:
output = query(user_input, st.session_state['query_method'], st.session_state['proxy'])
escaped_output = output.encode('utf-8').decode('unicode-escape')
st.session_state.current_conversation['user_inputs'].append(user_input)
st.session_state.current_conversation['generated_responses'].append(escaped_output)
save_conversations(st.session_state.conversations, st.session_state.current_conversation)
user_input = input_placeholder.text_input(
'You:', value='', key=f'input_text_{len(st.session_state["current_conversation"]["user_inputs"])}'
) # Clear the input field
# Add a button to create a new conversation
if st.sidebar.button("New Conversation"):
st.session_state['selected_conversation'] = None
st.session_state['current_conversation'] = {'user_inputs': [], 'generated_responses': []}
st.session_state['input_field_key'] += 1
st.session_state['query_method'] = st.sidebar.selectbox("Select API:", options=avail_query_methods, index=0)
# Proxy
st.session_state['proxy'] = st.sidebar.text_input("Proxy: ")
# Sidebar
st.sidebar.header("Conversation History")
for i, conversation in enumerate(st.session_state.conversations):
if st.sidebar.button(f"Conversation {i + 1}: {conversation['user_inputs'][0]}", key=f"sidebar_btn_{i}"):
st.session_state['selected_conversation'] = i
st.session_state['current_conversation'] = st.session_state.conversations[i]
if st.session_state['selected_conversation'] is not None:
conversation_to_display = st.session_state.conversations[st.session_state['selected_conversation']]
else:
conversation_to_display = st.session_state.current_conversation
if conversation_to_display['generated_responses']:
for i in range(len(conversation_to_display['generated_responses']) - 1, -1, -1):
message(conversation_to_display["generated_responses"][i], key=f"display_generated_{i}")
message(conversation_to_display['user_inputs'][i], is_user=True, key=f"display_user_{i}")
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