Simplied preview environment header check

adamzap · pauloxnet · commit 57c46b301ec2 · 2025-05-20T00:35:28.000+02:00
As a follow-up to discussion in #2052, this patch uses a template-based check to show the preview banner instead of a context processor.
diff --git a/djangoproject/context_processors.py b/djangoproject/context_processors.py
diff --git a/djangoproject/settings/common.py b/djangoproject/settings/common.py
@@ -209,7 +209,6 @@
                 "docs.context_processors.docs_version",
                 "releases.context_processors.django_version",
                 "aggregator.context_processors.community_stats",
-                "djangoproject.context_processors.display_preview_banner",
                 "django.template.context_processors.request",
             ],
         },
diff --git a/djangoproject/templates/includes/header.html b/djangoproject/templates/includes/header.html
@@ -1,4 +1,4 @@
-{% if DISPLAY_PREVIEW_BANNER %}
+{% if 'preview.djangoproject.com' in request.get_host %}
   <div class="copy-banner" style="background: #fff78e; padding: 10px;"></div>
 {% endif %}
 <header id="top">

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-{% if DISPLAY_PREVIEW_BANNER %}`
	`1`	`+{% if 'preview.djangoproject.com' in request.get_host %}`
`2`	`2`	`<div class="copy-banner" style="background: #fff78e; padding: 10px;"></div>`
`3`	`3`	`{% endif %}`
`4`	`4`	`<header id="top">`