Introduced the render_json template filter

netbox/extras/models.py

@@ -854,10 +854,6 @@ class ObjectChange(models.Model):
             self.object_data,
         )
 
-    @property
-    def object_data_pretty(self):
-        return json.dumps(self.object_data, indent=4, sort_keys=True)
-
 
 #
 # User actions

netbox/templates/dcim/device_configcontext.html

@@ -1,4 +1,5 @@
 {% extends 'dcim/device.html' %}
+{% load helpers %}
 
 {% block title %}{{ device }} - Config Context{% endblock %}
 
@@ -10,7 +11,7 @@
                     <strong>Config Context</strong>
                 </div>
                 <div class="panel-body">
-                    <pre>{{ device.get_config_context }}</pre>
+                    <pre>{{ device.get_config_context|render_json }}</pre>
                 </div>
             </div>
         </div>

netbox/templates/extras/objectchange.html

@@ -83,7 +83,7 @@
                     <strong>Object Data</strong>
                 </div>
                 <div class="panel-body">
-                    <pre>{{ objectchange.object_data_pretty }}</pre>
+                    <pre>{{ objectchange.object_data|render_json }}</pre>
                 </div>
             </div>
         </div>

netbox/utilities/templatetags/helpers.py

@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 
 import datetime
+import json
 
 from django import template
 from django.utils.safestring import mark_safe
@@ -46,6 +47,14 @@ def gfm(value):
     return mark_safe(html)
 
 
+@register.filter()
+def render_json(value):
+    """
+    Render a dictionary as formatted JSON.
+    """
+    return json.dumps(value, indent=4, sort_keys=True)
+
+
 @register.filter()
 def model_name(obj):
     """