import torch from PIL import Image import gradio as gr import spaces from transformers import AutoModelForCausalLM, AutoTokenizer, TextIteratorStreamer import os from threading import Thread HF_TOKEN = os.environ.get("HF_TOKEN", None) MODEL_ID = "THUDM/glm-4-9b-chat" MODEL_ID2 = "THUDM/glm-4-9b-chat-1m" MODELS = os.environ.get("MODELS") MODEL_NAME = MODELS.split("/")[-1] TITLE = "

GLM-4-9B

" DESCRIPTION = f'

MODEL: {MODEL_NAME}

' CSS = """ .duplicate-button { margin: auto !important; color: white !important; background: black !important; border-radius: 100vh !important; } """ model = AutoModelForCausalLM.from_pretrained( MODELS, torch_dtype=torch.bfloat16, low_cpu_mem_usage=True, trust_remote_code=True, ).to(0).eval() tokenizer = AutoTokenizer.from_pretrained(MODELS,trust_remote_code=True) @spaces.GPU def stream_chat(message: str, history: list, temperature: float, max_length: int): print(f'message is - {message}') print(f'history is - {history}') conversation = [] for prompt, answer in history: conversation.extend([{"role": "user", "content": prompt}, {"role": "assistant", "content": answer}]) conversation.append({"role": "user", "content": message}) print(f"Conversation is -\n{conversation}") input_ids = tokenizer.apply_chat_template(conversation, tokenize=True, add_generation_prompt=True, return_tensors="pt", return_dict=True).to(model.device) streamer = TextIteratorStreamer(tokenizer, timeout=60.0, skip_prompt=True, skip_special_tokens=True) generate_kwargs = dict( max_length=max_length, streamer=streamer, do_sample=True, top_k=1, temperature=temperature, repetition_penalty=1.2, ) gen_kwargs = {**input_ids, **generate_kwargs} with torch.no_grad(): thread = Thread(target=model.generate, kwargs=gen_kwargs) thread.start() buffer = "" for new_text in streamer: buffer += new_text yield buffer chatbot = gr.Chatbot(height=450) 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, 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=8192, step=1, value=1024, label="Max Length", render=False, ), ], examples=[ ["Determine whether the following sentence is grammatically correct. If it is correct, say so. If it is not correct, clearly explain why and then provide a grammatically correct version of the sentence. Make the sentence sound natural and colloquial. Include both simplifed Chinese characters and pinyin when correcting the user."], ["What are 5 creative things I could do with my kids' art? I don't want to throw them away, but it's also so much clutter."], ["Tell me a random fun fact about the Roman Empire."], ["Show me a code snippet of a website's sticky header in CSS and JavaScript."], ], cache_examples=False, ) if __name__ == "__main__": demo.launch()