#20383 clear rack face if no rack on edit

netbox/core/models/data.py

@@ -12,7 +12,7 @@ from django.core.validators import RegexValidator
 from django.db import models
 from django.urls import reverse
 from django.utils import timezone
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext as _
 
 from netbox.constants import CENSOR_TOKEN, CENSOR_TOKEN_CHANGED
 from netbox.models import PrimaryModel
@@ -128,9 +128,7 @@ class DataSource(JobsMixin, PrimaryModel):
         # Ensure URL scheme matches selected type
         if self.backend_class.is_local and self.url_scheme not in ('file', ''):
             raise ValidationError({
-                'source_url': _("URLs for local sources must start with {scheme} (or specify no scheme)").format(
-                    scheme='file://'
-                )
+                'source_url': "URLs for local sources must start with file:// (or specify no scheme)"
             })
 
     def save(self, *args, **kwargs):

netbox/dcim/forms/model_forms.py

@@ -722,6 +722,9 @@ class DeviceForm(TenancyForm, PrimaryModelForm):
         if position:
             self.fields['position'].widget.choices = [(position, f'U{position}')]
 
+        # Clear face field when rack is cleared
+        self.fields['face'].widget.attrs['ts-clear-field'] = 'rack'
+
 
 class ModuleForm(ModuleCommonForm, PrimaryModelForm):
     device = DynamicModelChoiceField(

netbox/dcim/ui/panels.py

@@ -31,7 +31,7 @@ class RackDimensionsPanel(panels.ObjectAttributesPanel):
     outer_width = attrs.NumericAttr('outer_width', unit_accessor='get_outer_unit_display')
     outer_height = attrs.NumericAttr('outer_height', unit_accessor='get_outer_unit_display')
     outer_depth = attrs.NumericAttr('outer_depth', unit_accessor='get_outer_unit_display')
-    mounting_depth = attrs.TextAttr('mounting_depth', format_string='{} mm')
+    mounting_depth = attrs.TextAttr('mounting_depth', format_string='{}mm')
 
 
 class RackNumberingPanel(panels.ObjectAttributesPanel):

netbox/project-static/src/forms/elements.ts

@@ -1,3 +1,4 @@
+import TomSelect from 'tom-select';
 import { getElements } from '../util';
 
 function handleFormSubmit(): void {
@@ -8,6 +9,37 @@ function handleFormSubmit(): void {
   }
 }
 
+/**
+ * Initialize clear-field dependencies.
+ * When a field with ts-clear-field attribute's parent field is cleared, this field will also be cleared.
+ */
+function initClearFieldDependencies(): void {
+  // Find all fields with ts-clear-field attribute
+  for (const field of getElements<HTMLSelectElement>('[ts-clear-field]')) {
+    const parentFieldName = field.getAttribute('ts-clear-field');
+    if (!parentFieldName) continue;
+
+    // Find the parent field
+    const parentField = document.querySelector<HTMLSelectElement>(`[name="${parentFieldName}"]`);
+    if (!parentField) continue;
+
+    // Listen for changes on the parent field
+    parentField.addEventListener('change', () => {
+      // If parent field is cleared, also clear this dependent field
+      if (!parentField.value || parentField.value === '') {
+        // Check if this field uses TomSelect
+        const tomselect = (field as HTMLSelectElement & { tomselect?: TomSelect }).tomselect;
+        if (tomselect) {
+          tomselect.clear();
+        } else {
+          // Regular select field
+          field.value = '';
+        }
+      }
+    });
+  }
+}
+
 /**
  * Attach event listeners to each form's submit/reset buttons.
  */
@@ -28,4 +60,7 @@ export function initFormElements(): void {
       });
     }
   }
+
+  // Initialize clear-field dependencies
+  initClearFieldDependencies();
 }

netbox/translations/en/LC_MESSAGES/django.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-01-15 05:05+0000\n"
+"POT-Creation-Date: 2026-01-13 05:05+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -12489,8 +12489,8 @@ msgstr ""
 msgid "Delete Selected"
 msgstr ""
 
-#: netbox/netbox/plugins/navigation.py:53
-#: netbox/netbox/plugins/navigation.py:89
+#: netbox/netbox/plugins/navigation.py:55
+#: netbox/netbox/plugins/navigation.py:88
 msgid "Permissions must be passed as a tuple or list."
 msgstr ""
 
@@ -12498,7 +12498,7 @@ msgstr ""
 msgid "Buttons must be passed as a tuple or list."
 msgstr ""
 
-#: netbox/netbox/plugins/navigation.py:95
+#: netbox/netbox/plugins/navigation.py:92
 msgid "Button color must be a choice within ButtonColorChoices."
 msgstr ""