Don't use bool for kicad_dnp

Fixes #431

Author: qu1ck

InteractiveHtmlBom/ecad/kicad.py

@@ -44,7 +44,7 @@ def get_footprint_fields(f):
             props = f.GetFieldsShownText()
         if "dnp" in props and props["dnp"] == "":
             del props["dnp"]
-            props["kicad_dnp"] = True
+            props["kicad_dnp"] = "DNP"
         return props
 
     def parse_extra_data_from_pcb(self):

InteractiveHtmlBom/ecad/kicad_extra/netlistparser.py

@@ -47,7 +47,7 @@ def get_extra_field_data(self):
                         ref_fields['Description'] = lib_field[1]
             if dnp:
                 field_set.add('kicad_dnp')
-                ref_fields['kicad_dnp'] = True
+                ref_fields['kicad_dnp'] = "DNP"
             if fields is None:
                 continue
             for f in fields:

InteractiveHtmlBom/ecad/kicad_extra/xmlparser.py

@@ -37,6 +37,6 @@ def get_extra_field_data(self):
             for f in c.getElementsByTagName('property'):
                 if f.attributes['name'].value == 'dnp':
                     field_set.add('kicad_dnp')
-                    ref_fields['kicad_dnp'] = True
+                    ref_fields['kicad_dnp'] = "DNP"
 
         return list(field_set), comp_dict

InteractiveHtmlBom/web/ibom.js

@@ -271,7 +271,7 @@ function netColorChangeHandler(net) {
 
 function netColorRightClick(net) {
   return (event) => {
-    if(event.button == 2) {
+    if (event.button == 2) {
       event.preventDefault();
       event.stopPropagation();
 
@@ -1157,7 +1157,7 @@ function updateCheckboxStats(checkbox) {
   td.lastChild.innerHTML = checked + "/" + total + " (" + Math.round(percent) + "%)";
 }
 
-function constrain(number, min, max){
+function constrain(number, min, max) {
   return Math.min(Math.max(parseInt(number), min), max);
 }
 
@@ -1183,15 +1183,15 @@ document.onkeydown = function (e) {
       break;
     case "ArrowLeft":
     case "ArrowRight":
-      if (document.activeElement.type != "text"){
+      if (document.activeElement.type != "text") {
         e.preventDefault();
         let boardRotationElement = document.getElementById("boardRotation")
         settings.boardRotation = parseInt(boardRotationElement.value);  // degrees / 5
-        if (e.key == "ArrowLeft"){
-            settings.boardRotation += 3;  // 15 degrees
+        if (e.key == "ArrowLeft") {
+          settings.boardRotation += 3;  // 15 degrees
         }
-        else{
-            settings.boardRotation -= 3;
+        else {
+          settings.boardRotation -= 3;
         }
         settings.boardRotation = constrain(settings.boardRotation, boardRotationElement.min, boardRotationElement.max);
         boardRotationElement.value = settings.boardRotation