use signposting package

django_signposting/utils.py

@@ -1,23 +1,17 @@
 from django.http import HttpResponse
+from signposting import Signpost
 
 
-def add_signposts(response: HttpResponse, **kwargs):
+def add_signposts(response: HttpResponse, *args: Signpost):
     """ Adds signposting headers to the responses.
     params:
       response - the response object
-      kwargs - a map of relation types to a list of corresponding links. Each link can be a link or a tuple of link and media type.
+      args - a list of signposts to add to this resposnse.
     """
 
     if not hasattr(response, '_signposts'):
-        response._signposts = {}
+        response._signposts = []
 
-    for key in kwargs.keys():
-
-        values = kwargs[key]
-        if isinstance(values, str) or isinstance(values, tuple):
-            values = [values]
-
-        if key not in response._signposts:
-            response._signposts[key] = values
-        else:
-            response._signposts[key] += values
+    for signpost in args:
+        if not signpost in response._signposts:
+            response._signposts.append(signpost)