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import spaces |
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import os |
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import gradio as gr |
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import torch |
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from transformers import AutoModelForCausalLM, AutoTokenizer, TextIteratorStreamer |
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from threading import Thread |
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MODEL_ID = "somosnlp-hackathon-2025/mistral-7b-gastronomia-hispana-qlora-v1" |
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MAX_MAX_NEW_TOKENS = 4096 |
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DEFAULT_MAX_NEW_TOKENS = 2048 |
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MAX_INPUT_TOKEN_LENGTH = int(os.getenv("MAX_INPUT_TOKEN_LENGTH", "2048")) |
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model = None |
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tokenizer = None |
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css = """ |
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.bubble-wrap { |
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padding-top: calc(var(--spacing-xl) * 3) !important; |
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border-color: #1f2b21 !important; |
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} |
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.message-row { |
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justify-content: space-evenly !important; |
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width: 100% !important; |
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max-width: 100% !important; |
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margin: calc(var(--spacing-xl)) 0 !important; |
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padding: 0 calc(var(--spacing-xl) * 3) !important; |
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} |
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.flex-wrap.user { |
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border-bottom-right-radius: var(--radius-lg) !important; |
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} |
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.flex-wrap.bot { |
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border-bottom-left-radius: var(--radius-lg) !important; |
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} |
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.message.user{ |
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padding: 10px; |
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} |
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.message.bot{ |
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text-align: right; |
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width: 100%; |
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padding: 10px; |
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border-radius: 10px; |
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} |
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.message-bubble-border { |
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border-radius: 6px !important; |
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} |
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.message-buttons { |
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justify-content: flex-end !important; |
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} |
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.message-buttons-left { |
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align-self: end !important; |
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} |
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.message-buttons-bot, .message-buttons-user { |
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right: 10px !important; |
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left: auto !important; |
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bottom: 2px !important; |
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} |
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.dark.message-bubble-border { |
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border-color: #1f2b21 !important; |
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} |
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.dark.user { |
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background: #202721 !important; |
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} |
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.dark.assistant.dark, .dark.pending.dark { |
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background: #202721 !important; |
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} |
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""" |
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def load_model(): |
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"""Load model and tokenizer""" |
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global model, tokenizer |
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if torch.cuda.is_available(): |
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print(f"Loading model: {MODEL_ID}") |
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try: |
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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.float32, |
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device_map="auto", |
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trust_remote_code=True, |
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) |
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if tokenizer.pad_token is None: |
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tokenizer.pad_token = tokenizer.eos_token |
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print("Model loaded successfully!") |
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return True |
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except Exception as e: |
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print(f"Error loading model: {e}") |
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return False |
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else: |
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print("CUDA not available") |
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return False |
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model_loaded = load_model() |
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@spaces.GPU |
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def generate( |
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message: str, |
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history: list[tuple], |
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system_message: str, |
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max_new_tokens: int = DEFAULT_MAX_NEW_TOKENS, |
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temperature: float = 0.7, |
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top_p: float = 0.8, |
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top_k: int = 20, |
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repetition_penalty: float = 1.2, |
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): |
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"""Generate response with streaming""" |
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global model, tokenizer |
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if model is None or tokenizer is None: |
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yield "Error: Modelo no disponible. Por favor, reinicia la aplicación." |
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return |
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conversation = [] |
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if system_message: |
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conversation.append({"role": "system", "content": system_message}) |
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for user_msg, assistant_msg in history: |
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conversation.append({"role": "user", "content": user_msg}) |
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if assistant_msg: |
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conversation.append({"role": "assistant", "content": assistant_msg}) |
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conversation.append({"role": "user", "content": message}) |
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try: |
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input_ids = tokenizer.apply_chat_template( |
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conversation, |
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return_tensors="pt", |
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add_generation_prompt=True, |
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enable_thinking=False |
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) |
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if input_ids.shape[1] > MAX_INPUT_TOKEN_LENGTH: |
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input_ids = input_ids[:, -MAX_INPUT_TOKEN_LENGTH:] |
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gr.Warning(f"Conversación recortada a {MAX_INPUT_TOKEN_LENGTH} tokens.") |
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input_ids = input_ids.to(model.device) |
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attention_mask = torch.ones_like(input_ids, device=model.device) |
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streamer = TextIteratorStreamer( |
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tokenizer, |
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timeout=30.0, |
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skip_prompt=True, |
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skip_special_tokens=True |
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) |
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generate_kwargs = { |
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"input_ids": input_ids, |
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"attention_mask": attention_mask, |
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"streamer": streamer, |
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"max_new_tokens": max_new_tokens, |
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"do_sample": True, |
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"top_p": top_p, |
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"top_k": top_k, |
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"temperature": temperature, |
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"repetition_penalty": repetition_penalty, |
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"pad_token_id": tokenizer.eos_token_id, |
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"eos_token_id": tokenizer.eos_token_id, |
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} |
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generation_thread = Thread(target=model.generate, kwargs=generate_kwargs) |
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generation_thread.start() |
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outputs = [] |
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try: |
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for new_text in streamer: |
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outputs.append(new_text) |
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yield "".join(outputs) |
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except Exception as e: |
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yield f"Error durante la generación: {str(e)}" |
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finally: |
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generation_thread.join(timeout=1) |
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except Exception as e: |
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yield f"Error: {str(e)}" |
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PLACEHOLDER = f""" |
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<div style="display: flex; flex-wrap: wrap; max-width: min(600px, 95vw); width: 100%; border-radius: clamp(6px, 1vw, 6px); border-color: var(--border-color-primary); border-width: 1px; box-shadow: 0 4px 6px rgba(36, 210, 0, 0.16); backdrop-filter: blur(10px); overflow: hidden; transition: all 0.3s ease;"> |
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<div style="flex: 1 1 clamp(200px, 40%, 250px); min-height: clamp(200px, 30vh, 300px); position: relative; overflow: hidden;"> |
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<img src="https://raw.githubusercontent.com/pabl-o-ce/transformer/main/logo.gif" alt="Gastronomia Hispana Logo" style="width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease;"> |
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</div> |
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<div style="flex: 1 1 clamp(280px, 60%, 400px); padding: clamp(1rem, 3vw, 2rem); display: flex; flex-direction: column; justify-content: space-between;"> |
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<div style="flex-grow: 1;"> |
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<h2 style="font-size: clamp(1.125rem, 4vw, 1.75rem); font-weight: 700; margin: 0 0 clamp(0.5rem, 2vw, 1rem) 0; line-height: 1.2;">Gastronomia hispana</h2> |
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<p style="font-size: clamp(0.875rem, 3vw, 1rem); line-height: 1.6; text-align: left; margin: 0 0 clamp(1rem, 3vw, 1.5rem) 0;">HackathonSomosNLP 2025: Impulsando la creación de modelos de lenguaje alineados con la cultura de los países de LATAM y la Península Ibérica.</p> |
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</div> |
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<div style="display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: flex-end; gap: clamp(0.5rem, 2vw, 1rem);"> |
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<div style="flex: 1 1 200px; min-width: 0;"> |
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<span style="display: inline-block; border-radius: clamp(0.375rem, 1vw, 0.375rem); background-color: rgba(75, 229, 70, 0.1); padding: clamp(0.1rem, 1vw, 0.1rem) clamp(0.75rem, 2vw, 0.75rem); font-size: clamp(0.625rem, 2vw, 0.75rem); font-weight: 500; color: #9bf881; word-break: break-word; max-width: 100%;"> |
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{MODEL_ID} |
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</span> |
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</div> |
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<div style="display: flex; gap: clamp(0.25rem, 1vw, 0.5rem); flex-shrink: 0;"> |
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<a href="https://discord.com/invite/my8w7JUxZR" target="_blank" rel="noreferrer" style="display: flex; align-items: center; justify-content: center; width: clamp(32px, 8vw, 44px); height: clamp(32px, 8vw, 44px); border-radius: 20%; background: var(--button-secondary-background-fill); color: var(--button-secondary-text-color); text-decoration: none; transition: all 0.3s ease;"> |
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<svg style="width: clamp(16px, 4vw, 22px); height: clamp(16px, 4vw, 22px);" fill="currentColor" xmlns="http://www.w3.org/2000/svg" viewBox="0 5 30.67 23.25"> |
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<path d="M26.0015 6.9529C24.0021 6.03845 21.8787 5.37198 19.6623 5C19.3833 5.48048 19.0733 6.13144 18.8563 6.64292C16.4989 6.30193 14.1585 6.30193 11.8336 6.64292C11.6166 6.13144 11.2911 5.48048 11.0276 5C8.79575 5.37198 6.67235 6.03845 4.6869 6.9529C0.672601 12.8736 -0.41235 18.6548 0.130124 24.3585C2.79599 26.2959 5.36889 27.4739 7.89682 28.2489C8.51679 27.4119 9.07477 26.5129 9.55525 25.5675C8.64079 25.2265 7.77283 24.808 6.93587 24.312C7.15286 24.1571 7.36986 23.9866 7.57135 23.8161C12.6241 26.1255 18.0969 26.1255 23.0876 23.8161C23.3046 23.9866 23.5061 24.1571 23.7231 24.312C22.8861 24.808 22.0182 25.2265 21.1037 25.5675C21.5842 26.5129 22.1422 27.4119 22.7621 28.2489C25.2885 27.4739 27.8769 26.2959 30.5288 24.3585C31.1952 17.7559 29.4733 12.0212 26.0015 6.9529ZM10.2527 20.8402C8.73376 20.8402 7.49382 19.4608 7.49382 17.7714C7.49382 16.082 8.70276 14.7025 10.2527 14.7025C11.7871 14.7025 13.0425 16.082 13.0115 17.7714C13.0115 19.4608 11.7871 20.8402 10.2527 20.8402ZM20.4373 20.8402C18.9183 20.8402 17.6768 19.4608 17.6768 17.7714C17.6768 16.082 18.8873 14.7025 20.4373 14.7025C21.9717 14.7025 23.2271 16.082 23.1961 17.7714C23.1961 19.4608 21.9872 20.8402 20.4373 20.8402Z"></path> |
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</svg> |
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</a> |
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<a href="https://somosnlp.org/" target="_blank" rel="noreferrer" style="display: flex; align-items: center; justify-content: center; width: clamp(32px, 8vw, 44px); height: clamp(32px, 8vw, 44px); border-radius: 20%; background: var(--button-secondary-background-fill); color: var(--button-secondary-text-color); text-decoration: none; transition: all 0.3s ease;"> |
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<svg style="width: clamp(16px, 4vw, 22px); height: clamp(16px, 4vw, 22px);" stroke="currentColor" fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"> |
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="m6.115 5.19.319 1.913A6 6 0 0 0 8.11 10.36L9.75 12l-.387.775c-.217.433-.132.956.21 1.298l1.348 1.348c.21.21.329.497.329.795v1.089c0 .426.24.815.622 1.006l.153.076c.433.217.956.132 1.298-.21l.723-.723a8.7 8.7 0 0 0 2.288-4.042 1.087 1.087 0 0 0-.358-1.099l-1.33-1.108c-.251-.21-.582-.299-.905-.245l-1.17.195a1.125 1.125 0 0 1-.98-.314l-.295-.295a1.125 1.125 0 0 1 0-1.591l.13-.132a1.125 1.125 0 0 1 1.3-.21l.603.302a.809.809 0 0 0 1.086-1.086L14.25 7.5l1.256-.837a4.5 4.5 0 0 0 1.528-1.732l.146-.292M6.115 5.19A9 9 0 1 0 17.18 4.64M6.115 5.19A8.965 8.965 0 0 1 12 3c1.929 0 3.716.607 5.18 1.64" /> |
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</svg> |
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</a> |
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</div> |
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</div> |
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</div> |
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</div> |
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""" |
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demo = gr.ChatInterface( |
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fn=generate, |
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description="Recetas en español", |
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chatbot=gr.Chatbot( |
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height=500, |
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scale=1, |
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placeholder=PLACEHOLDER, |
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likeable=False, |
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show_copy_button=True |
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), |
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textbox=gr.Textbox( |
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placeholder="Escribe tu pregunta sobre recetas, ingredientes o técnicas culinarias...", |
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scale=7 |
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), |
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additional_inputs=[ |
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gr.Textbox(value="Eres un asistente experto en cocina de recetas en español. Cada respuesta debe ser práctica, detallada y culturalmente informada. /no_think", label="System message"), |
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gr.Slider( |
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label="Longitud máxima de respuesta", |
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minimum=100, |
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maximum=MAX_MAX_NEW_TOKENS, |
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step=50, |
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value=DEFAULT_MAX_NEW_TOKENS, |
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info="Controla qué tan larga puede ser la respuesta" |
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), |
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gr.Slider( |
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label="Creatividad (Temperature)", |
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minimum=0.1, |
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maximum=2.0, |
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step=0.1, |
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value=0.7, |
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info="Más alto = respuestas más creativas, más bajo = más conservadoras" |
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), |
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gr.Slider( |
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label="Diversidad (Top-p)", |
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minimum=0.1, |
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maximum=1.0, |
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step=0.05, |
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value=0.8, |
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info="Controla la diversidad en la selección de palabras" |
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), |
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gr.Slider( |
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label="Top-k", |
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minimum=1, |
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maximum=100, |
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step=1, |
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value=20, |
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info="Número de opciones de palabras a considerar" |
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), |
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gr.Slider( |
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label="Penalización por repetición", |
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minimum=1.0, |
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maximum=2.0, |
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step=0.05, |
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value=1.2, |
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info="Evita que el modelo repita frases" |
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), |
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], |
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examples=[ |
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["¿Podrías explicarme paso a paso cómo preparar encebollado ecuatorianos?"], |
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["¿Cuál es la importancia cultural de la colada morada en Ecuador y cuándo se prepara tradicionalmente?"], |
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["¿Cuál es la técnica correcta para freír pescado para un encocado sin que se desbarate?"], |
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], |
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cache_examples=False, |
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retry_btn="Reintentar", |
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undo_btn="Deshacer", |
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clear_btn="Limpiar", |
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submit_btn="Enviar", |
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stop_btn="Detener", |
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theme=gr.themes.Soft(primary_hue="green", secondary_hue="green", neutral_hue="gray",font=[gr.themes.GoogleFont("Exo"), "ui-sans-serif", "system-ui", "sans-serif"]).set( |
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body_background_fill_dark="#171717", |
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block_background_fill_dark="#171717", |
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block_border_width="1px", |
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block_title_background_fill_dark="#1d1d1d", |
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input_background_fill_dark="#1e1e1e", |
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button_secondary_background_fill_dark="#1d1d1d", |
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border_color_accent_dark="#1f2b21", |
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border_color_primary_dark="#1f2b21", |
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background_fill_secondary_dark="#171717", |
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color_accent_soft_dark="transparent", |
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code_background_fill_dark="#1e1e1e", |
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), |
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css=css |
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) |
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if __name__ == "__main__": |
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if model_loaded: |
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print("Launching Gradio app...") |
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demo.launch( |
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share=False, |
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show_error=True |
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) |
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else: |
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print("Failed to load model. Cannot start the app.") |
