change hostname button

server.py

@@ -307,7 +307,16 @@ def wifi():
     os.system('wpa_cli -i wlan0 reconfigure')
     return index()
     
+@app.route("/hostname", methods = ['PUT', 'POST', 'GET'])
+def hostname():
+    data= request.data.decode('utf-8')
+    settings = json.loads(data)
+    hostname = settings['hostname']
+    print('hostname', hostname)
+    os.system("sudo hostnamectl set-hostname {}".format(hostname))
+    os.system("sudo systemctl restart avahi-daemon")
     
+    return index()
     
     
 @app.route("/screensaver", methods = ['PUT', 'POST'])
@@ -478,6 +487,10 @@ def shutdown():
     os.system("sudo shutdown now")
     return index()
     
+    
+
+    
+
 @app.route("/matrix")
 def matrix():
     

static/app.js

@@ -1309,6 +1309,13 @@ let hostNameText = document.getElementById("host-name");
 hostNameBtn.addEventListener("click", () => {
   hostNameText.innerText = hostNameInput.value;
   localStorage.setItem("hostName", hostNameText.innerText);
+  
+   data = {hostname:hostNameText.innerText}
+  
+  fetch("/hostname", {
+      method: "POST",
+      body: JSON.stringify(data),
+    });
 });
 
 // change brightness