Port of #905 by webjunkie

CHANGELOG.md

@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [Unreleased](https://github.com/python-social-auth/social-app-django/commits/master)
 
 ### Added
+- Let Django resolve URL when getting from settings (port of [#905](https://github.com/omab/python-social-auth/pull/905)
+  by webjunkie)
 - Add setting to fine-tune admin search fields (port of [#1035](https://github.com/omab/python-social-auth/pull/1035)
   by atugushev)
 

social_django/strategy.py

@@ -3,7 +3,7 @@
 from django.db.models import Model
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth import authenticate
-from django.shortcuts import redirect
+from django.shortcuts import redirect, resolve_url
 from django.template import TemplateDoesNotExist, RequestContext, loader, engines
 from django.utils.encoding import force_text
 from django.utils.functional import Promise
@@ -43,8 +43,10 @@ def __init__(self, storage, request=None, tpl=None):
     def get_setting(self, name):
         value = getattr(settings, name)
         # Force text on URL named settings that are instance of Promise
-        if name.endswith('_URL') and isinstance(value, Promise):
-            value = force_text(value)
+        if name.endswith('_URL'):
+            if isinstance(value, Promise):
+                value = force_text(value)
+            value = resolve_url(value)
         return value
 
     def request_data(self, merge=True):