Create app.py
Browse files
app.py
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import gradio as gr
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from huggingface_hub import InferenceClient
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import os
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import time
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# Obt茅n el token de manera segura desde el entorno
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hf_token = os.getenv("HF_API_TOKEN")
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# Clase para manejar m煤ltiples modelos
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class ModelHandler:
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def __init__(self, model_names, token):
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self.clients = {model_key: InferenceClient(model_name, token=token) for model_key, model_name in model_names.items()}
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self.current_model = list(model_names.keys())[0]
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def switch_model(self, model_key):
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if model_key in self.clients:
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self.current_model = model_key
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else:
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raise ValueError(f"Modelo {model_key} no est谩 disponible.")
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def generate_response(self, input_text):
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prompt = f"Debes de responder a cualquier pregunta:\nPregunta: {input_text}"
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try:
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messages = [{"role": "user", "content": prompt}]
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client = self.clients[self.current_model]
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response = client.chat_completion(messages=messages, max_tokens=500)
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if hasattr(response, 'choices') and response.choices:
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return response.choices[0].message.content
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else:
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return str(response)
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except Exception as e:
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return f"Error al realizar la inferencia: {e}"
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# Lista de modelos disponibles (con nombres amigables para la interfaz)
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model_names = {
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"CHATBOT": "microsoft/Phi-3-mini-4k-instruct"
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}
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# Inicializa el manejador de modelos
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model_handler = ModelHandler(model_names, hf_token)
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# Define la funci贸n para generaci贸n de im谩genes con progreso
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def generate_image_with_progress(prompt):
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"""
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Genera una imagen utilizando el modelo de "stabilityai/stable-diffusion-2" y muestra un progreso.
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"""
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try:
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client = InferenceClient("stabilityai/stable-diffusion-2", token=hf_token)
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# Simular progreso
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for progress in range(0, 101, 20):
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time.sleep(0.5)
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yield f"Generando imagen... {progress}% completado", None
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image = client.text_to_image(prompt, width=512, height=512)
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yield "Imagen generada con 茅xito", image
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except Exception as e:
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yield f"Error al generar la imagen: {e}", None
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# Configura la interfaz en Gradio con selecci贸n de modelos y generaci贸n de im谩genes
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with gr.Blocks(title="Multi-Model LLM Chatbot with Image Generation") as demo:
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gr.Markdown(
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"""
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## Chatbot Multi-Modelo LLM con Generaci贸n de Im谩genes
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Este chatbot permite elegir entre m煤ltiples modelos de lenguaje para responder preguntas o generar im谩genes
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a partir de descripciones.
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"""
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)
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with gr.Row():
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model_dropdown = gr.Dropdown(
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choices=list(model_names.keys()) + ["Generaci贸n de Im谩genes"],
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value="CHATBOT",
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label="Seleccionar Acci贸n/Modelo",
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interactive=True
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)
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with gr.Row():
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with gr.Column():
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input_text = gr.Textbox(
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lines=5,
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placeholder="Escribe tu consulta o descripci贸n para la imagen...",
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label="Entrada"
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)
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with gr.Column():
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output_display = gr.Textbox(
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lines=5,
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label="Estado",
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interactive=False
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)
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output_image = gr.Image(
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label="Imagen Generada",
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interactive=False
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)
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submit_button = gr.Button("Enviar")
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# Define la funci贸n de actualizaci贸n
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def process_input(selected_action, user_input):
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try:
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if selected_action == "Generaci贸n de Im谩genes":
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# Manejamos el generador de progreso
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progress_generator = generate_image_with_progress(user_input)
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last_status = None
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last_image = None
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for status, image in progress_generator:
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last_status = status
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last_image = image
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return last_status, last_image
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else:
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model_handler.switch_model(selected_action)
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response = model_handler.generate_response(user_input)
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return response, None
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except Exception as e:
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return f"Error: {e}", None
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# Conecta la funci贸n a los componentes
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submit_button.click(
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fn=process_input,
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inputs=[model_dropdown, input_text],
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outputs=[output_display, output_image]
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)
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# Lanza la interfaz
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demo.launch()
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