Enable tabbed group fields in fieldsets

netbox/utilities/forms/rendering.py

@@ -1,10 +1,43 @@
+import random
+import string
+from functools import cached_property
+
 __all__ = (
+    'FieldGroup',
     'InlineFields',
+    'TabbedFieldGroups',
 )
 
 
-class InlineFields:
+class FieldGroup:
 
-    def __init__(self, *field_names, label=None):
+    def __init__(self, label, *field_names):
         self.field_names = field_names
         self.label = label
+
+
+class InlineFields(FieldGroup):
+    pass
+
+
+class TabbedFieldGroups:
+
+    def __init__(self, *groups):
+        self.groups = [
+            FieldGroup(*group) for group in groups
+        ]
+
+        # Initialize a random ID for the group (for tab selection)
+        self.id = ''.join(
+            random.choice(string.ascii_lowercase + string.digits) for _ in range(8)
+        )
+
+    @cached_property
+    def tabs(self):
+        return [
+            {
+                'id': f'{self.id}_{i}',
+                'title': group.label,
+                'fields': group.field_names,
+            } for i, group in enumerate(self.groups, start=1)
+        ]