Prevent some pages from search indexing

src/pretix/presale/views/robots.py

@@ -0,0 +1,26 @@
+from django.http import HttpResponse
+from django.views.decorators.cache import cache_page
+
+
+class NoSearchIndexViewMixin:
+    def dispatch(self, request, *args, **kwargs):
+        resp = super().dispatch(request, *args, **kwargs)
+        resp['X-Robots-Tag'] = "noindex"
+        return resp
+
+
+@cache_page(3600)
+def robots_txt(request):
+    return HttpResponse(
+        """User-agent: *
+Disallow: */cart/*
+Disallow: */checkout/*
+Disallow: */order/*
+Disallow: */locale/set*
+Disallow: /control/
+Disallow: /download/
+Disallow: /redirect/
+Disallow: /api/
+Disallow: /download/
+""", content_type='text/plain'
+    )