Flaskwebgui works as expected

app_desktop.py

@@ -0,0 +1,4 @@
+from flaskwebgui import FlaskUI
+from app import app
+
+FlaskUI(app, width=1200, height=800).run()

static/index.js

@@ -354,6 +354,34 @@ host.BrowserHost = class {
         });
 
         this._view.show('welcome');
+
+
+        // informs flaskwebgui to keep server running while gui is running
+        // as illusrated in https://github.com/ClimenteA/flaskwebgui#install
+        // and here: https://stackoverflow.com/questions/39993676/code-inside-domcontentloaded-event-not-working
+        async function getRequest(url='') {
+            const response = await fetch(url, {
+            method: 'GET', 
+            cache: 'no-cache'
+            })
+            return response.json()
+        }
+
+        if (this.document.readyState !== 'loading') {
+            console.log('document is already ready, just execute code here');
+
+            let url = this.document.location
+            let route = "/flaskwebgui-keep-server-alive"
+            let interval_request = 3 * 1000 //sec
+
+            function keep_alive_server(){
+                getRequest(url + route)
+                .then(data => console.log(data))
+            }
+
+            setInterval(keep_alive_server, interval_request)
+        } 
+
     }
 
     environment(name) {

static/view.js

@@ -66,6 +66,9 @@ view.View = class {
                     container.addEventListener('touchstart', (e) => this._touchStartHandler(e), { passive: true });
                     break;
             }
+
+            
+
         }).catch((err) => {
             this.error(err, null, null);
         });

templates/index.html

@@ -9,6 +9,8 @@
 <link rel="stylesheet" type="text/css" href="{{url_for('static', filename='view-grapher.css')}}">
 <link rel="stylesheet" type="text/css" href="{{url_for('static', filename='view-sidebar.css')}}">
 <link rel="stylesheet" type="text/css" href="{{url_for('static', filename='sweetalert.css')}}">
+<link rel="stylesheet" type="text/css" href="{{url_for('static', filename='sweetalert.css')}}">
+<link rel="shortcut icon" type="image/x-icon" href="{{url_for('static', filename='favicon.ico')}}">
 <script src="{{url_for('static', filename='sweetalert.min.js')}}"></script>
 <script src="{{url_for('static', filename='dagre.js')}}"></script>
 <script src="{{url_for('static', filename='base.js')}}"></script>