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| import gradio as gr | |
| import torch | |
| from transformers import ( | |
| AutoModelForCausalLM, | |
| AutoTokenizer, | |
| TextIteratorStreamer, | |
| ) | |
| import os | |
| from threading import Thread | |
| import spaces | |
| import time | |
| import subprocess | |
| PLACEHOLDER = """ | |
| <div style="padding: 40px; text-align: center; display: flex; flex-direction: column; align-items: center;"> | |
| <img src="https://i.imgur.com/dgSNbTl.jpg" style="width: 90%; max-width: 650px; height: auto; opacity: 0.8; "> | |
| <h1 style="font-size: 28px; margin-top: 20px; margin-bottom: 2px; opacity: 0.55;">mii-llm / Maestrale</h1> | |
| <p style="font-size: 18px; margin-bottom: 2px; opacity: 0.65;">Chiedi pure...</p> | |
| </div> | |
| """ | |
| DESCRIPTION = """<div> | |
| <p>🇮🇹 Italian LLM <a href="https://huggingface.co/mii-llm/maestrale-chat-v0.3-beta"><b>Maestrale Chat v0.3 beta</b></a>. Maestrale is a powerful language model for Italian, trained by mii-llm, based on Mistral 7B.</p> | |
| <p>🔎 For more details about the Maestrale model and how to use it with <code>transformers</code>, visit the <a href="https://huggingface.co/mii-llm/maestrale-chat-v0.3-beta">model card</a>.</p> | |
| </div>""" | |
| tokenizer = AutoTokenizer.from_pretrained("mii-llm/maestrale-chat-v0.4-alpha") | |
| model = AutoModelForCausalLM.from_pretrained("mii-llm/maestrale-chat-v0.4-alpha", device_map="auto") | |
| terminators = [ | |
| tokenizer.eos_token_id, | |
| tokenizer.convert_tokens_to_ids("<|im_end|>") | |
| ] | |
| if torch.cuda.is_available(): | |
| device = torch.device("cuda") | |
| print(f"Using GPU: {torch.cuda.get_device_name(device)}") | |
| else: | |
| device = torch.device("cpu") | |
| print("Using CPU") | |
| model = model.to(device) | |
| def chat(message, history, system, temperature, do_sample, max_tokens): | |
| chat = [{"role": "system", "content": system}] if system else [] | |
| chat.extend( | |
| {"role": role, "content": content} | |
| for user, assistant in history | |
| for role, content in [("user", user), ("assistant", assistant)] | |
| ) | |
| chat.append({"role": "user", "content": message}) | |
| messages = tokenizer.apply_chat_template(chat, tokenize=False, add_generation_prompt=True) | |
| model_inputs = tokenizer([messages], return_tensors="pt").to(device) | |
| streamer = TextIteratorStreamer( | |
| tokenizer, timeout=20.0, skip_prompt=True, skip_special_tokens=True | |
| ) | |
| generate_kwargs = { | |
| **model_inputs, | |
| "streamer": streamer, | |
| "max_new_tokens": max_tokens, | |
| "do_sample": do_sample, | |
| "temperature": temperature, | |
| "eos_token_id": terminators, | |
| } | |
| thread = Thread(target=model.generate, kwargs=generate_kwargs) | |
| thread.start() | |
| partial_text = "" | |
| for new_text in streamer: | |
| partial_text += new_text | |
| yield partial_text | |
| yield partial_text | |
| chatbot = gr.Chatbot(height=550, placeholder=PLACEHOLDER, label='Conversazione') | |
| demo = gr.ChatInterface( | |
| fn=chat, | |
| chatbot=chatbot, | |
| fill_height=True, | |
| theme=gr.themes.Soft(), | |
| additional_inputs_accordion=gr.Accordion( | |
| label="⚙️ Parametri", open=False, render=False | |
| ), | |
| additional_inputs=[ | |
| gr.Textbox( | |
| label="System", | |
| value="sei un assistente utile.", | |
| ), | |
| gr.Slider( | |
| minimum=0, maximum=1, step=0.1, value=0.7, label="Temperature", render=False | |
| ), | |
| gr.Checkbox(label="Sampling", value=True), | |
| gr.Slider( | |
| minimum=128, | |
| maximum=4096, | |
| step=1, | |
| value=512, | |
| label="Max new tokens", | |
| render=False, | |
| ), | |
| ], | |
| stop_btn="Stop Generation", | |
| cache_examples=False, | |
| title="Maestrale Chat v0.3 beta", | |
| description=DESCRIPTION | |
| ) | |
| demo.launch() |