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Fix image generation: Switch from OpenRouter to HuggingFace Inference API
Browse files- generation.py +46 -51
generation.py
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@@ -1,9 +1,10 @@
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import os
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import requests
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import random
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import
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from datetime import datetime
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from typing import Optional
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# Configuración de carpetas
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OUTPUT_DIR = "generated_images"
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@@ -12,94 +13,88 @@ os.makedirs(OUTPUT_DIR, exist_ok=True)
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def generate_image_from_prompt(
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prompt: str,
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negative_prompt: str = "",
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model_name: str = "ignored",
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seed: Optional[int] = None,
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) -> tuple[Optional[str], str]:
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# 1. VALIDACIÓN DE CREDENCIALES
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if not api_key:
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return None, "❌ Error Crítico: No existe
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api_key = api_key.strip()
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# 2. DEFINICIÓN DE MODELOS (Principal y Respaldo)
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#
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primary_model = "black-forest-labs/
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backup_model = "stabilityai/stable-diffusion-
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models_to_try = [primary_model, backup_model]
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last_error = ""
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# 3. BUCLE DE INTENTOS
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for model in models_to_try:
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try:
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print(f"🔄 Intentando generar con modelo: {model}...")
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headers = {
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"Authorization": f"Bearer {api_key}",
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"Content-Type": "application/json"
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"HTTP-Referer": "https://huggingface.co",
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"X-Title": "Sofia AI Studio",
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}
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payload = {
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"
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"messages": [
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{"role": "user", "content": prompt}
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]
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}
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response = requests.post(
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headers=headers,
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json=payload,
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timeout=
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)
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# Si hay error
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if response.status_code != 200:
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error_detail = response.text
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print(f"⚠️ Fallo con {model}: {error_detail}")
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last_error = f"Error {response.status_code} en {model}: {error_detail}"
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continue
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# Si es 200 OK, procesamos la imagen
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#
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url_match = re.search(r'\((https://.*?)\)', content)
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if not url_match:
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url_match = re.search(r'(https://[^\s]+\.(png|jpg|jpeg|webp))', content)
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# Descargamos la imagen
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img_data = requests.get(image_url).content
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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if seed is None: seed = random.randint(0, 9999)
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filename = f"sofia_{timestamp}_{seed}.png"
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file_path = os.path.join(OUTPUT_DIR, filename)
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with open(file_path, 'wb') as f:
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f.write(img_data)
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return file_path, f"✅ ÉXITO: Imagen creada con {model}"
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else:
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last_error = f"La API respondió texto pero no vi imagen: {content[:50]}..."
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else:
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last_error = f"Respuesta vacía o formato desconocido: {data}"
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except Exception as e:
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last_error = f"Excepción técnica con {model}: {str(e)}"
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continue
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# Si llega aquí, fallaron todos los modelos
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return None, f"❌ ERROR FATAL: Fallaron todos los intentos.\nÚltimo error: {last_error}"
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import os
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import requests
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import random
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import io
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from datetime import datetime
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from typing import Optional
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from PIL import Image
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# Configuración de carpetas
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OUTPUT_DIR = "generated_images"
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def generate_image_from_prompt(
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prompt: str,
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negative_prompt: str = "",
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model_name: str = "ignored", # Este argumento lo ignoramos
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seed: Optional[int] = None,
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) -> tuple[Optional[str], str]:
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# 1. VALIDACIÓN DE CREDENCIALES
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# Usamos HF_TOKEN que ya está en el environment de HuggingFace Spaces
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api_key = os.getenv("HF_TOKEN")
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if not api_key:
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return None, "❌ Error Crítico: No existe HF_TOKEN en el entorno."
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api_key = api_key.strip() # Limpieza de seguridad
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# 2. DEFINICIÓN DE MODELOS (Principal y Respaldo)
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# Usando modelos que funcionan con HuggingFace Inference API
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primary_model = "black-forest-labs/FLUX.1-schnell"
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backup_model = "stabilityai/stable-diffusion-2-1"
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models_to_try = [primary_model, backup_model]
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last_error = ""
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# 3. BUCLE DE INTENTOS
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for model in models_to_try:
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try:
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print(f"🔄 Intentando generar con modelo: {model}...")
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# URL de HuggingFace Inference API
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api_url = f"https://api-inference.huggingface.co/models/{model}"
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headers = {
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"Authorization": f"Bearer {api_key}",
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"Content-Type": "application/json"
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}
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# Payload para generación de imágenes
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payload = {
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"inputs": prompt,
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}
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# Añadir negative_prompt si existe
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if negative_prompt:
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payload["negative_prompt"] = negative_prompt
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response = requests.post(
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api_url,
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headers=headers,
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json=payload,
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timeout=60 # Timeout más largo para generación de imágenes
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)
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# Si hay error, pasamos al siguiente modelo
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if response.status_code != 200:
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error_detail = response.text
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print(f"⚠️ Fallo con {model}: {error_detail}")
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last_error = f"Error {response.status_code} en {model}: {error_detail}"
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continue # Salta al siguiente modelo
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# Si es 200 OK, procesamos la imagen
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# HuggingFace Inference API devuelve la imagen directamente como bytes
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image_bytes = response.content
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# Verificar que recibimos una imagen válida
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try:
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image = Image.open(io.BytesIO(image_bytes))
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# Guardar la imagen
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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if seed is None: seed = random.randint(0, 999)
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filename = f"sofia_{timestamp}_{seed}.png"
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file_path = os.path.join(OUTPUT_DIR, filename)
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image.save(file_path)
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return file_path, f"✅ ÉXITO: Imagen creada con {model}"
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except Exception as img_error:
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last_error = f"Error al procesar imagen de {model}: {str(img_error)}"
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continue
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except Exception as e:
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last_error = f"Excepción técnica con {model}: {str(e)}"
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continue
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# Si llega aquí, fallaron todos los modelos
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return None, f"❌ ERROR FATAL: Fallaron todos los intentos.\nÚltimo error: {last_error}" return None, f"❌ ERROR FATAL: Fallaron todos los intentos.\nÚltimo error: {last_error}"
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