VLC v1 finished, improve on instructions, improve on infra

desktop_env/controllers/python.py

@@ -241,6 +241,18 @@ class PythonController:
             logger.error("Failed to get window size. Status code: %d", response.status_code)
             return None
 
+    def get_vm_wallpaper(self):
+        """
+        Gets the wallpaper of the vm.
+        """
+        response = requests.post(self.http_server + "/wallpaper")
+        if response.status_code == 200:
+            logger.info("Wallpaper downloaded successfully")
+            return response.content
+        else:
+            logger.error("Failed to get wallpaper. Status code: %d", response.status_code)
+            return None
+
     def get_vlc_status(self, host='localhost', port=8080, password='password'):
         url = f'http://{host}:{port}/requests/status.xml'