fix

app.py

@@ -3,27 +3,34 @@
 
 import os
 import subprocess
-import psutil
 
 # Definir el archivo de log antes de instalar las bibliotecas
 log_file = "/home/user/app/app.log"
 
 # Instalar las bibliotecas necesarias
 def install_packages():
-    # Instalar los paquetes necesarios si aún no están instalados
+    # Instalar los paquetes necesarios
     with open(log_file, "a") as f:
         f.write("===== Installing Packages =====\n")
-        subprocess.run(['pip3', 'install', 'jupyterlab', 'flask', 'gradio'], check=True)
+        subprocess.run(['pip3', 'install', 'jupyterlab', 'flask', 'gradio', 'psutil', 'requests'], check=True, stdout=f, stderr=f)
 
 install_packages()
 
 # Ahora importar las bibliotecas necesarias
-from flask import Flask, redirect
+from flask import Flask, redirect, request, Response
 import gradio as gr
-from werkzeug.serving import WSGIRequestHandler
+import psutil
+import requests
 
 app = Flask(__name__)
 
+def is_jupyter_running():
+    # Verificar si JupyterLab ya está en ejecución
+    for process in psutil.process_iter(['pid', 'name']):
+        if 'jupyter-lab' in process.info['name']:
+            return True
+    return False
+
 def configure_jupyter():
     # Generar la configuración de Jupyter
     jupyter_config_dir = os.path.expanduser('~/.jupyter')
@@ -44,13 +51,6 @@ c.ServerApp.terminado_settings = {{'shell_command': ['bash']}}
 c.ServerApp.allow_root = True
         """)
 
-def is_jupyter_running():
-    # Verificar si JupyterLab ya está en ejecución
-    for process in psutil.process_iter(['pid', 'name']):
-        if 'jupyter-lab' in process.info['name']:
-            return True
-    return False
-
 def start_jupyter():
     # Iniciar JupyterLab en el puerto 8898 con autoreload si no está en ejecución
     if not is_jupyter_running():
@@ -68,8 +68,22 @@ def home():
     return demo.launch(inline=True)
 
 @app.route('/jupy')
-def lab():
-    return redirect("http://localhost:8898", code=302)
+def jupy():
+    # Proxy inverso para JupyterLab
+    jupyter_url = "http://localhost:8898"
+    resp = requests.request(
+        method=request.method,
+        url=jupyter_url + request.path,
+        headers={key: value for key, value in request.headers if key != 'Host'},
+        data=request.get_data(),
+        cookies=request.cookies,
+        allow_redirects=False)
+    
+    excluded_headers = ['content-encoding', 'content-length', 'transfer-encoding', 'connection']
+    headers = [(name, value) for name, value in resp.raw.headers.items() if name.lower() not in excluded_headers]
+
+    response = Response(resp.content, resp.status_code, headers)
+    return response
 
 if __name__ == "__main__":
     with open(log_file, "a") as f:
@@ -77,5 +91,5 @@ if __name__ == "__main__":
     
     configure_jupyter()
     start_jupyter()
-
+    
     app.run(host='0.0.0.0', port=7860, debug=False)