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plagas / app.py

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import os
import cv2
import numpy as np
import gradio as gr

# =====================================================================
# PARCHE DE SEGURIDAD CRÍTICO PARA EL BUG DE GRADIO 4.X
# =====================================================================
try:
    import gradio_client.utils as client_utils
    # Neutraliza el bucle recursivo del generador de API que causa el crash
    client_utils.json_schema_to_python_type = lambda *args, **kwargs: "str"
    print("[SISTEMA] Parche anti-bugs de API aplicado con éxito.")
except Exception as e:
    print(f"[SISTEMA] No se pudo aplicar el parche: {e}")

# =====================================================================
# 1. CONFIGURACIÓN BÁSICA Y CARGA LAZY DEL MODELO
# =====================================================================
os.environ["TF_CPP_MIN_LOG_LEVEL"] = "2"

MODEL_PATH = "assets/model"
LABELS_PATH = "assets/model/labels.txt"
NAMES_PATH = "assets/model/names.txt"
IMAGES_DIR = "assets/images"
DATA_DIR = "assets/data"

model = None
labels = []
names = []

def cargar_modelo_aislado():
    """Carga TensorFlow de manera aislada para evitar conflictos con Gradio"""
    global model, labels, names
    if model is None:
        print("Cargando TensorFlow y el modelo de IA de forma aislada...")
        import tensorflow as tf
        
        model = tf.keras.models.load_model(MODEL_PATH, compile=False)
        
        with open(LABELS_PATH, "r", encoding="utf-8") as f:
            labels = [line.strip() for line in f.readlines()]
            
        with open(NAMES_PATH, "r", encoding="utf-8") as f:
            names = [line.strip() for line in f.readlines()]

# =====================================================================
# 2. LÓGICA DE PROCESAMIENTO E INFERENCIA
# =====================================================================
def limpiar_nombre_plaga(nombre_etiqueta):
    """Limpia etiquetas del tipo '0 Mosca Blanca' a 'mosca_blanca'"""
    partes = nombre_etiqueta.split(maxsplit=1)
    if len(partes) > 1 and partes[0].isdigit():
        nombre_real = partes[1]
    else:
        nombre_real = nombre_etiqueta
        
    return nombre_real.strip().lower().replace(" ", "_")

def get_image_path(nombre_etiqueta):
    nombre_limpio = limpiar_nombre_plaga(nombre_etiqueta)
    filename = nombre_limpio + ".jpg"
    filepath = os.path.join(IMAGES_DIR, filename)
    return filepath if os.path.exists(filepath) else None

def get_info_text(nombre_etiqueta):
    nombre_limpio = limpiar_nombre_plaga(nombre_etiqueta)
    filename = nombre_limpio + ".txt"
    filepath = os.path.join(DATA_DIR, filename)
    
    if os.path.exists(filepath):
        with open(filepath, "r", encoding="utf-8") as f:
            return f.read()
    return f"Información técnica no disponible para la plaga: {nombre_etiqueta}"

def predict_plaga(img):
    if img is None:
        return "<p style='color:red;'>Por favor, capture o suba una imagen.</p>", None, "No se suministró ninguna imagen.", gr.update(visible=True)
        
    try:
        cargar_modelo_aislado()
        
        # Preprocesamiento para Teachable Machine
        img_prep = cv2.resize(img, (224, 224))
        img_prep = img_prep.astype(np.float32) / 255.0
        img_prep = np.expand_dims(img_prep, axis=0)
        
        # Predicción
        predictions = model.predict(img_prep)[0]
        top_indices = np.argsort(predictions)[::-1][:5]
        indice_mejor = top_indices[0]
        
        # Formatear la tabla HTML (2 columnas, verdes alternados)
        tabla_html = """
        <table style='width:100%; border-collapse: collapse; font-family: Arial, sans-serif; background-color: #F1F8E9; color: #000000; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.1);'>
            <thead>
                <tr style='background-color: #2E7D32; color: #FFFFFF; font-weight: bold !important;'>
                    <th style='padding: 12px 15px; text-align: left; border-bottom: 2px solid #1B5E20; color: #FFFFFF; font-size: 1rem;'>Nombre de la Plaga</th>
                    <th style='padding: 12px 15px; text-align: right; border-bottom: 2px solid #1B5E20; color: #FFFFFF; font-size: 1rem;'>Probabilidad</th>
                </tr>
            </thead>
            <tbody>
        """
        for idx, i in enumerate(top_indices):
            porcentaje = predictions[i] * 100
            bg_color = "#E8F5E9" if idx % 2 == 0 else "#C8E6C9"
            tabla_html += f"""
                <tr style='background-color: {bg_color}; border-bottom: 1px solid #A5D6A7;'>
                    <td style='padding: 10px 15px; text-align: left; font-weight: bold; color: #000000; font-size: 1rem;'>{labels[i]}</td>
                    <td style='padding: 10px 15px; text-align: right; font-weight: bold; color: #000000; font-size: 1rem;'>{porcentaje:.2f}%</td>
                </tr>
            """
        tabla_html += "</tbody></table>"
        
        mejor_plaga = labels[indice_mejor]
        ruta_imagen_ganadora = get_image_path(mejor_plaga)
        texto_informativo = get_info_text(mejor_plaga)
        
        return tabla_html, ruta_imagen_ganadora, texto_informativo, gr.update(visible=True)
        
    except Exception as e:
        return f"<p style='color:red;'>Error en el diagnóstico: {str(e)}</p>", None, "Ocurrió un error interno.", gr.update(visible=True)

# =====================================================================
# 3. CONTROLADORES DE ESTADO (UI Dinámica)
# =====================================================================
def controlar_estado(img):
    """Maneja qué sucede cuando se carga o borra una foto"""
    if img is None:
        return gr.update(interactive=False), gr.update(visible=False)
    else:
        return gr.update(interactive=True), gr.update(visible=False)

def mostrar_procesando():
    """Cambia el botón a estado de carga"""
    return gr.update(value="⏳ PROCESANDO IMAGEN...", interactive=False)

def restaurar_boton(img):
    """Restaura el botón luego de que la IA termina"""
    estado_activo = True if img is not None else False
    return gr.update(value="IDENTIFICAR PLAGA", interactive=estado_activo)

# =====================================================================
# 4. INTERFAZ GRÁFICA PERSONALIZADA (CSS Gradio 4)
# =====================================================================
theme_css = """
body, .gradio-container { background-color: #1B5E20 !important; color: white !important; font-family: 'Arial', sans-serif; }
h1, h2, h3, p { text-align: center !important; color: white !important; }
/* Botón activo con verde más claro solicitado */
.custom-btn-large { 
    background-color: #81C784 !important; 
    color: black !important; 
    font-weight: bold !important; 
    font-size: 1.3rem !important; 
    border-radius: 12px !important; 
    padding: 15px !important;
    margin-top: 15px !important;
    width: 100% !important;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3) !important;
    border: none !important;
    cursor: pointer !important;
    transition: background-color 0.3s, transform 0.1s;
}
.custom-btn-large:hover:not(:disabled) { background-color: #A5D6A7 !important; }
.custom-btn-large:active:not(:disabled) { transform: scale(0.98); }
/* Botón inhabilitado / procesando */
.custom-btn-large:disabled {
    background-color: #3E6B40 !important;
    color: #A5D6A7 !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
    opacity: 0.8;
}
.camera-capture-box {
    background-color: #2E7D32 !important;
    border: 5px #E8F5E9 !important;
    border-radius: 16px !important;
    min-height: 250px !important;
    transition: background-color 0.3s;
}
.camera-capture-box:hover { background-color: #43A047 !important; }
.camera-capture-box .xl { color: white !important; }
.camera-capture-box * { color: white !important; }
/* Texto en negro sobre verde claro */
.info-box {
    background-color: #E8F5E9 !important;
    color: #000000 !important;
    padding: 18px !important;
    border-radius: 10px !important;
    border: 2px solid #A5D6A7 !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
}
.info-box * {
    color: #000000 !important;
    text-align: left !important;
}
/* Cuadro de alumnos */
.credits-box {
    background-color: #2E7D32 !important;
    color: white !important;
    padding: 5px !important;
    border-radius: 12px !important;
    text-align: center !important;
    margin-top: 20px !important;
    border: 1px solid #A5D6A7 !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
    width: 100% !important;
}
.credits-box h3 {
    margin-top: 0 !important;
    margin-bottom: 10px !important;
    color: #A5D6A7 !important;
    font-size: 1.0rem !important;
    font-weight: bold !important;
}
.credits-box p {
    font-size: 0.7rem !important;
    margin: 0 !important;
    color: #FFFFFF !important;
}
"""

# Interfaz GRADIO
with gr.Blocks(css=theme_css, title="CEA - Identificación de Plagas") as demo:
    
    # Encabezado institucional
    gr.HTML("""
        <div style="display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 15px; margin-bottom: 20px; width: 100%;">
            <div style="flex-shrink: 0;">
                <img src="/file=assets/images/logocea.png" alt="Logo CEA" style="height: 80px; width: auto; object-fit: contain;">
            </div>
            <div style="text-align: left;">
                <h3 style="font-family: 'Stencil', 'Arial Black', 'Arial', sans-serif; font-size: 1.3rem; 
                            letter-spacing: 1px; margin: 0; color: white; line-height: 1.1; text-align: left !important;">
                    CENTRO DE<br>EDUCACIÓN AGRÍCOLA
                </h3>
                <p style="font-size: 1.1rem; font-weight: bold; margin-top: 5px; margin-bottom: 0; color: #A5D6A7; 
                            text-align: left !important;">
                    IDENTIFICACIÓN DE PLAGAS
                </p>
            </div>
        </div>
    """)
    
    with gr.Row():
        with gr.Column(scale=1):
            input_fuente = gr.Image(
                show_label=False, #label="TOMAR FOTO DE LA PLAGA", 
                type="numpy", 
                sources=["upload"], 
                elem_classes="camera-capture-box"
            )
            # Inicia deshabilitado
            btn_identificar = gr.Button("IDENTIFICAR PLAGA", elem_classes="custom-btn-large", interactive=False)

        # Columna de resultados inicialmente invisible
        with gr.Column(scale=1, visible=False) as output_col:
            # Título actualizado
            # gr.Markdown("### PLAGAS MÁS PROBABLES")
            output_tabla = gr.HTML()
            
            output_imagen = gr.Image(show_label=False) # label="COINCIDENCIA VISUAL"
            
            # Título eliminado. Componente Markdown estilizado
            output_info = gr.Markdown(elem_classes="info-box")

    # Evento: Al cambiar la foto
    input_fuente.change(
        fn=controlar_estado,
        inputs=input_fuente,
        outputs=[btn_identificar, output_col]
    )

    # SECUENCIA DE EVENTOS AL HACER CLIC (Manejo de estados de carga)
    btn_identificar.click(
        fn=mostrar_procesando,  # 1. Cambia el botón a "Procesando..."
        outputs=btn_identificar
    ).then(
        fn=predict_plaga,       # 2. Ejecuta la IA (bloqueante y pesado)
        inputs=input_fuente,
        outputs=[output_tabla, output_imagen, output_info, output_col]
    ).then(
        fn=restaurar_boton,     # 3. Devuelve el botón a la normalidad
        inputs=input_fuente,
        outputs=btn_identificar
    )

    # Cuadro de alumnos desarrolladores
    with gr.Row():
        gr.HTML("""
            <div class="credits-box">
                <p>CEA (C) 2026 - Tucumán, Argentina</p>
                <p>Figueroa, Julieta; Gutierrez, Brisa; Hardoy, Milagros;</p>
                <p>Medina, Molly; Pettorossi, Franco; Rojas, Ayelén; Trejo, Rocío</p>
            </div>
        """)

if __name__ == "__main__":
    demo.launch(
        allowed_paths=["assets/images"]
    )

	import os
	import cv2
	import numpy as np
	import gradio as gr

	# =====================================================================
	# PARCHE DE SEGURIDAD CRÍTICO PARA EL BUG DE GRADIO 4.X
	# =====================================================================
	try:
	import gradio_client.utils as client_utils
	# Neutraliza el bucle recursivo del generador de API que causa el crash
	client_utils.json_schema_to_python_type = lambda args, *kwargs: "str"
	print("[SISTEMA] Parche anti-bugs de API aplicado con éxito.")
	except Exception as e:
	print(f"[SISTEMA] No se pudo aplicar el parche: {e}")

	# =====================================================================
	# 1. CONFIGURACIÓN BÁSICA Y CARGA LAZY DEL MODELO
	# =====================================================================
	os.environ["TF_CPP_MIN_LOG_LEVEL"] = "2"

	MODEL_PATH = "assets/model"
	LABELS_PATH = "assets/model/labels.txt"
	NAMES_PATH = "assets/model/names.txt"
	IMAGES_DIR = "assets/images"
	DATA_DIR = "assets/data"

	model = None
	labels = []
	names = []

	def cargar_modelo_aislado():
	"""Carga TensorFlow de manera aislada para evitar conflictos con Gradio"""
	global model, labels, names
	if model is None:
	print("Cargando TensorFlow y el modelo de IA de forma aislada...")
	import tensorflow as tf

	model = tf.keras.models.load_model(MODEL_PATH, compile=False)

	with open(LABELS_PATH, "r", encoding="utf-8") as f:
	labels = [line.strip() for line in f.readlines()]

	with open(NAMES_PATH, "r", encoding="utf-8") as f:
	names = [line.strip() for line in f.readlines()]

	# =====================================================================
	# 2. LÓGICA DE PROCESAMIENTO E INFERENCIA
	# =====================================================================
	def limpiar_nombre_plaga(nombre_etiqueta):
	"""Limpia etiquetas del tipo '0 Mosca Blanca' a 'mosca_blanca'"""
	partes = nombre_etiqueta.split(maxsplit=1)
	if len(partes) > 1 and partes[0].isdigit():
	nombre_real = partes[1]
	else:
	nombre_real = nombre_etiqueta

	return nombre_real.strip().lower().replace(" ", "_")

	def get_image_path(nombre_etiqueta):
	nombre_limpio = limpiar_nombre_plaga(nombre_etiqueta)
	filename = nombre_limpio + ".jpg"
	filepath = os.path.join(IMAGES_DIR, filename)
	return filepath if os.path.exists(filepath) else None

	def get_info_text(nombre_etiqueta):
	nombre_limpio = limpiar_nombre_plaga(nombre_etiqueta)
	filename = nombre_limpio + ".txt"
	filepath = os.path.join(DATA_DIR, filename)

	if os.path.exists(filepath):
	with open(filepath, "r", encoding="utf-8") as f:
	return f.read()
	return f"Información técnica no disponible para la plaga: {nombre_etiqueta}"

	def predict_plaga(img):
	if img is None:
	return "<p style='color:red;'>Por favor, capture o suba una imagen.</p>", None, "No se suministró ninguna imagen.", gr.update(visible=True)

	try:
	cargar_modelo_aislado()

	# Preprocesamiento para Teachable Machine
	img_prep = cv2.resize(img, (224, 224))
	img_prep = img_prep.astype(np.float32) / 255.0
	img_prep = np.expand_dims(img_prep, axis=0)

	# Predicción
	predictions = model.predict(img_prep)[0]
	top_indices = np.argsort(predictions)[::-1][:5]
	indice_mejor = top_indices[0]

	# Formatear la tabla HTML (2 columnas, verdes alternados)
	tabla_html = """
	<table style='width:100%; border-collapse: collapse; font-family: Arial, sans-serif; background-color: #F1F8E9; color: #000000; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.1);'>
	<thead>
	<tr style='background-color: #2E7D32; color: #FFFFFF; font-weight: bold !important;'>
	<th style='padding: 12px 15px; text-align: left; border-bottom: 2px solid #1B5E20; color: #FFFFFF; font-size: 1rem;'>Nombre de la Plaga</th>
	<th style='padding: 12px 15px; text-align: right; border-bottom: 2px solid #1B5E20; color: #FFFFFF; font-size: 1rem;'>Probabilidad</th>
	</tr>
	</thead>
	<tbody>
	"""
	for idx, i in enumerate(top_indices):
	porcentaje = predictions[i] * 100
	bg_color = "#E8F5E9" if idx % 2 == 0 else "#C8E6C9"
	tabla_html += f"""
	<tr style='background-color: {bg_color}; border-bottom: 1px solid #A5D6A7;'>
	<td style='padding: 10px 15px; text-align: left; font-weight: bold; color: #000000; font-size: 1rem;'>{labels[i]}</td>
	<td style='padding: 10px 15px; text-align: right; font-weight: bold; color: #000000; font-size: 1rem;'>{porcentaje:.2f}%</td>
	</tr>
	"""
	tabla_html += "</tbody></table>"

	mejor_plaga = labels[indice_mejor]
	ruta_imagen_ganadora = get_image_path(mejor_plaga)
	texto_informativo = get_info_text(mejor_plaga)

	return tabla_html, ruta_imagen_ganadora, texto_informativo, gr.update(visible=True)

	except Exception as e:
	return f"<p style='color:red;'>Error en el diagnóstico: {str(e)}</p>", None, "Ocurrió un error interno.", gr.update(visible=True)

	# =====================================================================
	# 3. CONTROLADORES DE ESTADO (UI Dinámica)
	# =====================================================================
	def controlar_estado(img):
	"""Maneja qué sucede cuando se carga o borra una foto"""
	if img is None:
	return gr.update(interactive=False), gr.update(visible=False)
	else:
	return gr.update(interactive=True), gr.update(visible=False)

	def mostrar_procesando():
	"""Cambia el botón a estado de carga"""
	return gr.update(value="⏳ PROCESANDO IMAGEN...", interactive=False)

	def restaurar_boton(img):
	"""Restaura el botón luego de que la IA termina"""
	estado_activo = True if img is not None else False
	return gr.update(value="IDENTIFICAR PLAGA", interactive=estado_activo)

	# =====================================================================
	# 4. INTERFAZ GRÁFICA PERSONALIZADA (CSS Gradio 4)
	# =====================================================================
	theme_css = """
	body, .gradio-container { background-color: #1B5E20 !important; color: white !important; font-family: 'Arial', sans-serif; }
	h1, h2, h3, p { text-align: center !important; color: white !important; }

	/* Botón activo con verde más claro solicitado */
	.custom-btn-large {
	background-color: #81C784 !important;
	color: black !important;
	font-weight: bold !important;
	font-size: 1.3rem !important;
	border-radius: 12px !important;
	padding: 15px !important;
	margin-top: 15px !important;
	width: 100% !important;
	box-shadow: 0 4px 6px rgba(0,0,0,0.3) !important;
	border: none !important;
	cursor: pointer !important;
	transition: background-color 0.3s, transform 0.1s;
	}
	.custom-btn-large:hover:not(:disabled) { background-color: #A5D6A7 !important; }
	.custom-btn-large:active:not(:disabled) { transform: scale(0.98); }

	/* Botón inhabilitado / procesando */
	.custom-btn-large:disabled {
	background-color: #3E6B40 !important;
	color: #A5D6A7 !important;
	cursor: not-allowed !important;
	box-shadow: none !important;
	opacity: 0.8;
	}

	.camera-capture-box {
	background-color: #2E7D32 !important;
	border: 5px #E8F5E9 !important;
	border-radius: 16px !important;
	min-height: 250px !important;
	transition: background-color 0.3s;
	}
	.camera-capture-box:hover { background-color: #43A047 !important; }
	.camera-capture-box .xl { color: white !important; }
	.camera-capture-box * { color: white !important; }

	/* Texto en negro sobre verde claro */
	.info-box {
	background-color: #E8F5E9 !important;
	color: #000000 !important;
	padding: 18px !important;
	border-radius: 10px !important;
	border: 2px solid #A5D6A7 !important;
	box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
	}
	.info-box * {
	color: #000000 !important;
	text-align: left !important;
	}

	/* Cuadro de alumnos */
	.credits-box {
	background-color: #2E7D32 !important;
	color: white !important;
	padding: 5px !important;
	border-radius: 12px !important;
	text-align: center !important;
	margin-top: 20px !important;
	border: 1px solid #A5D6A7 !important;
	box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
	width: 100% !important;
	}
	.credits-box h3 {
	margin-top: 0 !important;
	margin-bottom: 10px !important;
	color: #A5D6A7 !important;
	font-size: 1.0rem !important;
	font-weight: bold !important;
	}
	.credits-box p {
	font-size: 0.7rem !important;
	margin: 0 !important;
	color: #FFFFFF !important;
	}
	"""

	# Interfaz GRADIO
	with gr.Blocks(css=theme_css, title="CEA - Identificación de Plagas") as demo:

	# Encabezado institucional
	gr.HTML("""
	<div style="display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 15px; margin-bottom: 20px; width: 100%;">
	<div style="flex-shrink: 0;">
	<img src="/file=assets/images/logocea.png" alt="Logo CEA" style="height: 80px; width: auto; object-fit: contain;">
	</div>
	<div style="text-align: left;">
	<h3 style="font-family: 'Stencil', 'Arial Black', 'Arial', sans-serif; font-size: 1.3rem;
	letter-spacing: 1px; margin: 0; color: white; line-height: 1.1; text-align: left !important;">
	CENTRO DE<br>EDUCACIÓN AGRÍCOLA
	</h3>
	<p style="font-size: 1.1rem; font-weight: bold; margin-top: 5px; margin-bottom: 0; color: #A5D6A7;
	text-align: left !important;">
	IDENTIFICACIÓN DE PLAGAS
	</p>
	</div>
	</div>
	""")

	with gr.Row():
	with gr.Column(scale=1):
	input_fuente = gr.Image(
	show_label=False, #label="TOMAR FOTO DE LA PLAGA",
	type="numpy",
	sources=["upload"],
	elem_classes="camera-capture-box"
	)
	# Inicia deshabilitado
	btn_identificar = gr.Button("IDENTIFICAR PLAGA", elem_classes="custom-btn-large", interactive=False)

	# Columna de resultados inicialmente invisible
	with gr.Column(scale=1, visible=False) as output_col:
	# Título actualizado
	# gr.Markdown("### PLAGAS MÁS PROBABLES")
	output_tabla = gr.HTML()

	output_imagen = gr.Image(show_label=False) # label="COINCIDENCIA VISUAL"

	# Título eliminado. Componente Markdown estilizado
	output_info = gr.Markdown(elem_classes="info-box")

	# Evento: Al cambiar la foto
	input_fuente.change(
	fn=controlar_estado,
	inputs=input_fuente,
	outputs=[btn_identificar, output_col]
	)

	# SECUENCIA DE EVENTOS AL HACER CLIC (Manejo de estados de carga)
	btn_identificar.click(
	fn=mostrar_procesando, # 1. Cambia el botón a "Procesando..."
	outputs=btn_identificar
	).then(
	fn=predict_plaga, # 2. Ejecuta la IA (bloqueante y pesado)
	inputs=input_fuente,
	outputs=[output_tabla, output_imagen, output_info, output_col]
	).then(
	fn=restaurar_boton, # 3. Devuelve el botón a la normalidad
	inputs=input_fuente,
	outputs=btn_identificar
	)

	# Cuadro de alumnos desarrolladores
	with gr.Row():
	gr.HTML("""
	<div class="credits-box">
	<p>CEA (C) 2026 - Tucumán, Argentina</p>
	<p>Figueroa, Julieta; Gutierrez, Brisa; Hardoy, Milagros;</p>
	<p>Medina, Molly; Pettorossi, Franco; Rojas, Ayelén; Trejo, Rocío</p>
	</div>
	""")

	if __name__ == "__main__":
	demo.launch(
	allowed_paths=["assets/images"]
	)