import gradio as gr
from transformers import AutoTokenizer, AutoModelForCausalLM, AutoConfig
from peft import PeftModel, LoraConfig
from unsloth.chat_templates import get_chat_template

# Define the path where the model and adapters are saved
model_path = "yentinglin/Llama-3-Taiwan-8B-Instruct"  # Update this to your model path
adapter_path = "netmouse/Llama-3-Taiwan-8B-Instruct-finetuning-by-promisedchat"  # Assuming adapter is stored in the same path

# Load the tokenizer
tokenizer = AutoTokenizer.from_pretrained(model_path)

# Load the base model config
config = AutoConfig.from_pretrained(model_path)

# Load the base model without quantization configurations
# Ensure that bitsandbytes is not used by removing any reference to 4bit or 8bit
base_model = AutoModelForCausalLM.from_pretrained(model_path, config=config, ignore_mismatched_sizes=True)

# Load the LoRA adapter
model = PeftModel.from_pretrained(base_model, adapter_path)

def generate_text(input_text):
    inputs = tokenizer.apply_chat_template(
        messages,
        tokenize = True,
        add_generation_prompt = True, # Must add for generation
        return_tensors = "pt",
    ).to("cuda")
    #input_ids = tokenizer.encode(input_text, return_tensors='pt')
    outputs = model.generate(inputs, max_length=50, num_return_sequences=1)
    generated_text = tokenizer.decode(outputs[0], skip_special_tokens=True)
    return generated_text

iface = gr.Interface(fn=generate_text, inputs="text", outputs="text")
iface.launch()