--- /dev/null
+from functools import partial
+from django.utils.cache import patch_cache_control, patch_vary_headers
+
+
+def ssi_cache_control(**kwargs):
+ return partial(patch_cache_control, **kwargs)
+
+
+def ssi_vary(newheaders):
+ return partial(patch_vary_headers, newheaders=newheaders)
+
+
+ssi_vary_on_cookie = ssi_vary(('Cookie',))