Update app.py
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app.py
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import subprocess
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#
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#
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#
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}
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[executable],
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capture_output=True,
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text=True,
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timeout=MAX_EXECUTION_TIME
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)
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execution_time = time.time() - start_time
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# Preparar la respuesta
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result = {
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'success': run_process.returncode == 0,
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'output': run_process.stdout,
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'error': run_process.stderr,
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'execution_time': execution_time
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}
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except subprocess.TimeoutExpired:
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result = {
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'success': False,
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'error': f'La ejecución excedió el tiempo límite de {MAX_EXECUTION_TIME} segundos'
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}
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# Limpiar archivos temporales
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try:
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os.remove(code_file)
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if os.path.exists(executable):
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os.remove(executable)
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except Exception as e:
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logger.error(f"Error al limpiar archivos temporales: {e}")
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return jsonify(result)
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except Exception as e:
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logger.error(f"Error inesperado: {e}")
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return jsonify({'success': False, 'error': f'Error interno del servidor: {str(e)}'}), 500
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@app.route('/api/health', methods=['GET'])
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def health_check():
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"""Basic health check endpoint."""
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logger.info("Health check requested.")
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# A simple health check is enough for Hugging Face
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# The previous checks (compiler, temp dir) might fail in the HF environment
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return jsonify({'status': 'ok', 'timestamp': time.time()})
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# --- Interfaz Gradio ---
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def run_c_code(c_code):
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"""Función que se ejecuta cuando el usuario envía código C a través de Gradio."""
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logger.info(f"Solicitud Gradio recibida. URL API: {API_EXECUTE_URL}")
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try:
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response = requests.post(API_EXECUTE_URL, json={'code': c_code}, timeout=MAX_EXECUTION_TIME + 5) # Timeout un poco mayor para la request
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response.raise_for_status() # Lanza excepción para errores HTTP
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data = response.json()
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if data.get('success'):
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output = f"--- Salida ({data.get('execution_time', 0):.4f}s) ---\n{data.get('output', '')}"
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if data.get('error'): # Mostrar stderr aunque la ejecución sea exitosa (warnings, etc.)
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output += f"\n\n--- Errores (stderr) ---\n{data['error']}"
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return output
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else:
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return f"--- Error ---\n{data.get('error', 'Error desconocido')}"
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except requests.exceptions.RequestException as e:
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logger.error(f"Error de red al llamar a la API: {e}")
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return f"Error de red al conectar con el backend: {e}"
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except Exception as e:
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logger.error(f"Error inesperado en la interfaz Gradio: {e}")
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return f"Error inesperado en la interfaz: {str(e)}"
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# Ejemplo de código C para la interfaz
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EXAMPLE_CODE = """#include <stdio.h>
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int main() {
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printf("¡Hola desde 42CodeRunner!\n");
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return 0;
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}
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"""
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# Crear la interfaz Gradio
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iface = gr.Interface(
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fn=run_c_code,
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inputs=gr.Code(language="c", label="Código C", value=EXAMPLE_CODE),
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outputs=gr.Textbox(label="Resultado de la Ejecución", lines=15),
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title="🏊u200d♂️ 42CodeRunner",
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description="Escribe tu código C, haz clic en 'Submit' y mira la magia suceder. Ejecutado de forma segura en el backend.",
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allow_flagging='never'
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)
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# --- Integration and Execution ---
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# Create a main Gradio Blocks app to host both the UI and the API
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with gr.Blocks(title="🏊u200d♂️ 42CodeRunner") as demo:
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# Render the defined interface within the Blocks
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iface.render()
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# Mount the Flask app (containing the API) onto the Gradio Blocks app under /api
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# This makes the Flask routes available at paths like /api/execute
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demo = gr.mount_wsgi_app(demo, app, path="/api")
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# --- Ejecución de la App ---
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if __name__ == '__main__':
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# Use Gradio's default port or environment variable
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port = int(os.environ.get('PORT', 7860))
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# Launch the combined Gradio Blocks app
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# Allow connection from network (needed for Docker/Spaces)
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demo.launch(server_name='0.0.0.0', server_port=port)
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import gradio as gr
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import subprocess, tempfile, os, uuid, resource
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# --- Función principal --------------------------------------------------------
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def compile_and_run(code: str, stdin: str = "") -> str:
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"""
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Compila el código C, lo ejecuta y devuelve la salida (stdout + stderr).
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Se aplican límites de tiempo y memoria para evitar abusos.
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"""
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# 1. Crear carpeta temporal única
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tmpdir = tempfile.mkdtemp(prefix="c_exec_")
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c_path = os.path.join(tmpdir, "main.c")
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bin_path = os.path.join(tmpdir, "main")
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# 2. Guardar código
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with open(c_path, "w") as f:
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f.write(code)
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# 3. Compilar
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compile_proc = subprocess.run(
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["gcc", c_path, "-O2", "-std=c11", "-pipe", "-o", bin_path],
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capture_output=True, text=True, timeout=10
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)
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if compile_proc.returncode != 0:
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return f"❌ Error de compilación:\n{compile_proc.stderr}"
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# 4. Establecer límites de recursos antes de ejecutar
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def limit_resources():
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resource.setrlimit(resource.RLIMIT_CPU, (2, 2)) # 2 s CPU
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resource.setrlimit(resource.RLIMIT_AS, (128*1024*1024, # 128 MB
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128*1024*1024))
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# 5. Ejecutar binario generado
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try:
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run_proc = subprocess.run(
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[bin_path],
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input=stdin,
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text=True,
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capture_output=True,
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timeout=2, # tiempo real (wall-clock)
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preexec_fn=limit_resources
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)
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except subprocess.TimeoutExpired:
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return "⏰ Tiempo de ejecución excedido (2 s)."
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out = run_proc.stdout
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err = run_proc.stderr
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exit = run_proc.returncode
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response = f"⏹ Código de salida: {exit}\n"
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if out:
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response += f"\n📤 STDOUT\n{out}"
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if err:
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response += f"\n⚠️ STDERR\n{err}"
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return response.strip()
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# --- UI en Gradio -------------------------------------------------------------
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title = "Compilador C online (42 Edition)"
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description = """
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Ejecuta fragmentos de **lenguaje C** con límite de recursos.
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También disponible como endpoint REST (`/run/predict`).
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"""
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demo = gr.Interface(
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fn = compile_and_run,
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inputs = [
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gr.Code(language="c", label="Código C"),
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gr.Textbox(lines=3, placeholder="Entrada estándar (stdin)", label="Stdin (opcional)")
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],
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outputs = gr.Textbox(label="Resultado"),
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title = title,
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description = description,
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examples = [
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[r"#include <stdio.h>\nint main(){printf(\"Hola 42!\\n\");}", ""],
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[r"#include <stdio.h>\nint main(){int a,b;scanf(\"%d %d\",&a,&b);printf(\"%d\\n\",a+b);}", "3 4"]
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],
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)
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if __name__ == "__main__":
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demo.launch()
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