'description_html' can be modified.

Author: Zerline

packages/controls/src/widget_description.ts

@@ -54,6 +54,11 @@ export class DescriptionView extends DOMWidgetView {
     this.label.style.display = 'none';
 
     this.listenTo(this.model, 'change:description', this.updateDescription);
+    this.listenTo(
+      this.model,
+      'change:description_html',
+      this.updateDescription
+    );
     this.listenTo(this.model, 'change:tabbable', this.updateTabindex);
     this.updateDescription();
     this.updateTabindex();

tests/test_sanitizer.ipynb

@@ -61,7 +61,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "Checkbox(description=\"<b>ok</b><i>OK</i>\", description_html=False)"
+    "c = Checkbox(description=\"<b>ok</b><i>OK</i>\")\n",
+    "c"
    ]
   },
   {
@@ -70,7 +71,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "Checkbox(description=\"<b>ok</b><script>OK</script>\", description_html = True)"
+    "c.description_html = True"
    ]
   },
   {
@@ -79,7 +80,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "Label(\"<script>ok</script>\")"
+    "Checkbox(description=\"<b>ok</b><script>OK</script>\", description_html = True)"
    ]
   },
   {
@@ -88,7 +89,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "Label.__mro__, Text.__mro__"
+    "Label(\"<b>OK</b><script>ok</script>\", description_html=True)"
    ]
   }
  ],