import subprocess subprocess.run( 'pip install flash-attn --no-build-isolation', env={'FLASH_ATTENTION_SKIP_CUDA_BUILD': "TRUE"}, shell=True ) from threading import Thread import torch from PIL import Image import gradio as gr import spaces from transformers import AutoModelForCausalLM, AutoProcessor, TextIteratorStreamer import os import time from huggingface_hub import hf_hub_download os.environ["HF_HUB_ENABLE_HF_TRANSFER"] = "1" HF_TOKEN = os.environ.get("HF_TOKEN", None) MODEL_ID = os.environ.get("MODEL_ID") MODEL_NAME = MODEL_ID.split("/")[-1] TITLE = "

VL-Chatbox

" DESCRIPTION = "

MODEL: " + MODEL_NAME + "

" CSS = """ .duplicate-button { margin: auto !important; color: white !important; background: black !important; border-radius: 100vh !important; } """ model = AutoModelForCausalLM.from_pretrained( MODEL_ID, torch_dtype=torch.float16, low_cpu_mem_usage=True, trust_remote_code=True ).to(0) processor = AutoProcessor.from_pretrained(MODEL_ID, trust_remote_code=True) eos_token_id=processor.tokenizer.eos_token_id @spaces.GPU(queue=False) def stream_chat(message, history: list, temperature: float, max_new_tokens: int): print(message) conversation = [] for prompt, answer in history: conversation.extend([{"role": "user", "content": f"<|image_1|>\n{prompt}"}, {"role": "assistant", "content": answer}]) conversation.append({"role": "user", "content": message['text']}) if message["files"]: image = Image.open(message["files"][-1]).convert('RGB') else: if len(history) == 0: gr.Error("Please upload an image first.") image = None prompt = processor.tokenizer.apply_chat_template(conversation, tokenize=False, add_generation_prompt=True) inputs = processor(prompt, images=image, return_tensors="pt").to(0) generate_kwargs = dict( max_new_tokens=max_new_tokens, temperature=temperature, do_sample=True, eos_token_id=eos_token_id, ) if temperature == 0: generate_kwargs["do_sample"] = False generate_kwargs = {**inputs, **generate_kwargs} streamer = TextIteratorStreamer(processor, **{"skip_special_tokens": True, "skip_prompt": True, 'clean_up_tokenization_spaces':False,}) thread = Thread(target=model.generate, kwargs=generate_kwargs) thread.start() buffer = "" for new_text in streamer: buffer += new_text yield buffer chatbot = gr.Chatbot(height=450) chat_input = gr.MultimodalTextbox( interactive=True, file_types=["image"], placeholder="Enter message or upload file...", show_label=False, ) with gr.Blocks(css=CSS) as demo: gr.HTML(TITLE) gr.HTML(DESCRIPTION) gr.DuplicateButton(value="Duplicate Space for private use", elem_classes="duplicate-button") gr.ChatInterface( fn=stream_chat, multimodal=True, examples=[[{"text": "What is on the desk?", "files": ["./laptop.jpg"]}], [{"text": "Where it is?", "files": ["./hotel.jpg"]}], [{"text": "Can yo describe this image?", "files": ["./spacecat.png"]}]], textbox=chat_input, chatbot=chatbot, fill_height=True, additional_inputs_accordion=gr.Accordion(label="⚙️ Parameters", open=False, render=False), additional_inputs=[ gr.Slider( minimum=0, maximum=1, step=0.1, value=0.8, label="Temperature", render=False, ), gr.Slider( minimum=128, maximum=4096, step=1, value=1024, label="Max new tokens", render=False, ), ], ) if __name__ == "__main__": demo.queue(api_open=False).launch(show_api=False, share=False)