Update app.py
Browse files
app.py
CHANGED
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@@ -4,20 +4,17 @@ import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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# --- CONFIGURA脟脙O DOS MODELOS ---
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# IDs Oficiais do Hugging Face
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MODELS = {
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"deepseek": "deepseek-ai/deepseek-math-7b-instruct",
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"llama3": "meta-llama/Meta-Llama-3-8B-Instruct",
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"gemma2": "google/gemma-2-9b-it"
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}
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# --- VARI脕VEIS GLOBAIS (CACHE NA VRAM) ---
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# Vamos guardar tudo na mem贸ria da H200
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loaded_models = {}
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loaded_tokenizers = {}
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def get_model_and_tokenizer(model_key):
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"""Carrega o modelo na VRAM apenas se ainda n茫o estiver l谩."""
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global loaded_models, loaded_tokenizers
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if model_key not in loaded_models:
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@@ -27,7 +24,7 @@ def get_model_and_tokenizer(model_key):
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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model = AutoModelForCausalLM.from_pretrained(
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model_id,
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torch_dtype=torch.bfloat16,
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device_map="cuda"
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)
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@@ -38,9 +35,8 @@ def get_model_and_tokenizer(model_key):
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return loaded_models[model_key], loaded_tokenizers[model_key]
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# --- FUN脟脙O DE GERA脟脙O (ZEROGPU) ---
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@spaces.GPU(duration=120)
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def generate(message, history, model_selector):
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# Identifica qual modelo o usu谩rio quer
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if "DeepSeek" in model_selector:
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key = "deepseek"
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elif "Llama" in model_selector:
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@@ -48,19 +44,16 @@ def generate(message, history, model_selector):
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elif "Gemma" in model_selector:
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key = "gemma2"
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else:
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key = "deepseek"
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model, tokenizer = get_model_and_tokenizer(key)
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# Formata o prompt (Cada modelo tem seu jeito, mas o tokenizer resolve)
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# Convertendo hist贸rico para formato de lista de dicts
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messages = []
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for user_msg, bot_msg in history:
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if user_msg: messages.append({"role": "user", "content": user_msg})
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if bot_msg: messages.append({"role": "assistant", "content": bot_msg})
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messages.append({"role": "user", "content": message})
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# Aplica o template de chat correto para o modelo
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text = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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@@ -69,8 +62,6 @@ def generate(message, history, model_selector):
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inputs = tokenizer([text], return_tensors="pt").to(model.device)
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# Gera a resposta
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# Max tokens alto pq matem谩tica exige passo-a-passo
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outputs = model.generate(
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**inputs,
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max_new_tokens=2048,
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@@ -81,8 +72,9 @@ def generate(message, history, model_selector):
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response = tokenizer.decode(outputs[0][inputs.input_ids.shape[1]:], skip_special_tokens=True)
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return response
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# --- INTERFACE GRADIO ---
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gr.Markdown("# 馃М M贸dulo Matem谩tico & L贸gico (H200)")
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with gr.Row():
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from transformers import AutoModelForCausalLM, AutoTokenizer
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# --- CONFIGURA脟脙O DOS MODELOS ---
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MODELS = {
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"deepseek": "deepseek-ai/deepseek-math-7b-instruct",
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"llama3": "meta-llama/Meta-Llama-3-8B-Instruct",
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"gemma2": "google/gemma-2-9b-it"
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}
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# --- VARI脕VEIS GLOBAIS (CACHE NA VRAM) ---
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loaded_models = {}
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loaded_tokenizers = {}
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def get_model_and_tokenizer(model_key):
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global loaded_models, loaded_tokenizers
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if model_key not in loaded_models:
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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model = AutoModelForCausalLM.from_pretrained(
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model_id,
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torch_dtype=torch.bfloat16,
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device_map="cuda"
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)
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return loaded_models[model_key], loaded_tokenizers[model_key]
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# --- FUN脟脙O DE GERA脟脙O (ZEROGPU) ---
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@spaces.GPU(duration=120)
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def generate(message, history, model_selector):
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if "DeepSeek" in model_selector:
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key = "deepseek"
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elif "Llama" in model_selector:
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elif "Gemma" in model_selector:
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key = "gemma2"
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else:
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key = "deepseek"
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model, tokenizer = get_model_and_tokenizer(key)
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messages = []
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for user_msg, bot_msg in history:
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if user_msg: messages.append({"role": "user", "content": user_msg})
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if bot_msg: messages.append({"role": "assistant", "content": bot_msg})
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messages.append({"role": "user", "content": message})
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text = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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inputs = tokenizer([text], return_tensors="pt").to(model.device)
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outputs = model.generate(
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**inputs,
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max_new_tokens=2048,
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response = tokenizer.decode(outputs[0][inputs.input_ids.shape[1]:], skip_special_tokens=True)
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return response
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# --- INTERFACE GRADIO (SEM TEMA PARA N脙O DAR ERRO) ---
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# Mudei aqui: Tirei o theme=gr.themes.Soft()
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with gr.Blocks() as demo:
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gr.Markdown("# 馃М M贸dulo Matem谩tico & L贸gico (H200)")
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with gr.Row():
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