import gradio as gr
from transformers import AutoTokenizer, AutoModelForCausalLM
import torch

model_name = "georgesung/llama2_7b_chat_uncensored"

tokenizer = AutoTokenizer.from_pretrained(model_name, use_fast=False)
model = AutoModelForCausalLM.from_pretrained(
    model_name,
    torch_dtype=torch.float16,
    device_map="auto"
)

def chat(prompt):
    inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
    outputs = model.generate(
        **inputs,
        max_new_tokens=256,
        do_sample=True,
        temperature=0.7,
        top_p=0.9
    )
    return tokenizer.decode(outputs[0], skip_special_tokens=True)

demo = gr.Interface(
    fn=chat,
    inputs=gr.Textbox(lines=3, placeholder="Type your message here..."),
    outputs="text",
    title="Llama2 7B Uncensored Chatbot"
)

demo.launch()