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import streamlit as st
import uuid
import sys
import requests
from peft import *
import bitsandbytes as bnb
import pandas as pd
import torch
import torch.nn as nn
import transformers
from datasets import load_dataset
from huggingface_hub import notebook_login
from peft import (
LoraConfig,
PeftConfig,
get_peft_model,
prepare_model_for_kbit_training,
)
from transformers import (
AutoConfig,
AutoModelForCausalLM,
AutoTokenizer,
BitsAndBytesConfig,
)
import pickle
USER_ICON = "images/user-icon.png"
AI_ICON = "images/ai-icon.png"
MAX_HISTORY_LENGTH = 5
if 'user_id' in st.session_state:
user_id = st.session_state['user_id']
else:
user_id = str(uuid.uuid4())
st.session_state['user_id'] = user_id
if 'chat_history' not in st.session_state:
st.session_state['chat_history'] = []
if "chats" not in st.session_state:
st.session_state.chats = [
{
'id': 0,
'question': '',
'answer': ''
}
]
if "questions" not in st.session_state:
st.session_state.questions = []
if "answers" not in st.session_state:
st.session_state.answers = []
if "input" not in st.session_state:
st.session_state.input = ""
st.markdown("""
<style>
.block-container {
padding-top: 32px;
padding-bottom: 32px;
padding-left: 0;
padding-right: 0;
}
.element-container img {
background-color: #000000;
}
.main-header {
font-size: 24px;
}
</style>
""", unsafe_allow_html=True)
# Load the model and tokenizer from Hugging Face Hub
model_name = "your_model_name" # Replace with the actual model name
model = AutoModelForCausalLM.from_pretrained(model_name)
tokenizer = AutoTokenizer.from_pretrained(model_name)
def write_top_bar():
col1, col2, col3 = st.columns([1,10,2])
with col1:
st.image(AI_ICON, use_column_width='always')
with col2:
header = "Cogwise Intelligent Assistant"
st.write(f"<h3 class='main-header'>{header}</h3>", unsafe_allow_html=True)
with col3:
clear = st.button("Clear Chat")
return clear
clear = write_top_bar()
if clear:
st.session_state.questions = []
st.session_state.answers = []
st.session_state.input = ""
st.session_state["chat_history"] = []
def handle_input():
input = st.session_state.input
question_with_id = {
'question': input,
'id': len(st.session_state.questions)
}
st.session_state.questions.append(question_with_id)
chat_history = st.session_state["chat_history"]
if len(chat_history) == MAX_HISTORY_LENGTH:
chat_history = chat_history[:-1]
# Generate response using the model
inputs = tokenizer.encode(input, return_tensors="pt")
outputs = model.generate(inputs)
answer = tokenizer.decode(outputs[0], skip_special_tokens=True)
chat_history.append((input, answer))
st.session_state.answers.append({
'answer': answer,
'id': len(st.session_state.questions)
})
st.session_state.input = ""
def write_user_message(md):
col1, col2 = st.columns([1,12])
with col1:
st.image(USER_ICON, use_column_width='always')
with col2:
st.warning(md['question'])
def render_answer(answer):
col1, col2 = st.columns([1,12])
with col1:
st.image(AI_ICON, use_column_width='always')
with col2:
st.info(answer)
def write_chat_message(md, q):
chat = st.container()
with chat:
render_answer(md['answer'])
with st.container():
for (q, a) in zip(st.session_state.questions, st.session_state.answers):
write_user_message(q)
write_chat_message(a, q)
st.markdown('---')
input = st.text_input("You are talking to an AI, ask any question.", key="input", on_change=handle_input)
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