Some error fixes with the validation.

fpga_interface/interface/static/interface/script.js

@@ -500,8 +500,9 @@ function getNetworkSettings() {
     return parameters;
 }
 
-function sendDataToBackend() {
+async function sendDataToBackend() {
     let parameters = getNetworkSettings();
+    console.log(parameters);
     const fetchOption = {
         method: "POST",
         credentials: "same-origin",
@@ -512,7 +513,7 @@ function sendDataToBackend() {
         },
         body: JSON.stringify(parameters),
     }
-    return fetch("/interface/network_settings/set/", fetchOption)
+    return await fetch("/interface/network_settings/set/", fetchOption)
         .then(res => {
             if (res.ok) {
                 return res.text();
@@ -528,7 +529,7 @@ function sendDataToBackend() {
                 console.log("data");
                 return false;
             } else if (res === "corrupt_params") {
-                console.log("data");
+                console.log("params");
                 return false;
             } else {
                 console.log("Request_failure");
@@ -538,8 +539,8 @@ function sendDataToBackend() {
 }
 
 /* 8. Perform Simulation */
-function initSimulation() {
-    let result = sendDataToBackend();
+async function initSimulation() {
+    let result = await sendDataToBackend();
     if (result) {
         clickStart();
         startSimulation()

fpga_interface/interface/validators.py

@@ -3,9 +3,11 @@ from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
 
 def validate_number(number):
+    if not number:
+        raise ValidationError(_("Number should not be empty!"), params={"number": number},)
     try:
         num = float(number)
-    except ValueError as ex:
+    except ValueError:
         raise ValidationError(_('%(number)s is not an valid parameter'), params={"number": number},)