Closes #7858: Standardize the representation of content types across import & export functions

netbox/utilities/tables.py

@@ -13,7 +13,7 @@ from django_tables2.utils import Accessor
 
 from extras.choices import CustomFieldTypeChoices
 from extras.models import CustomField
-from .utils import content_type_name
+from .utils import content_type_identifier, content_type_name
 from .paginator import EnhancedPaginator, get_paginate_count
 
 
@@ -289,16 +289,27 @@ class ContentTypeColumn(tables.Column):
     def value(self, value):
         if value is None:
             return None
-        return f"{value.app_label}.{value.model}"
+        return content_type_identifier(value)
 
 
 class ContentTypesColumn(tables.ManyToManyColumn):
     """
     Display a list of ContentType instances.
     """
+    def __init__(self, separator=None, *args, **kwargs):
+        # Use a line break as the default separator
+        if separator is None:
+            separator = mark_safe('<br />')
+        super().__init__(separator=separator, *args, **kwargs)
+
     def transform(self, obj):
         return content_type_name(obj)
 
+    def value(self, value):
+        return ','.join([
+            content_type_identifier(ct) for ct in self.filter(value)
+        ])
+
 
 class ColorColumn(tables.Column):
     """