From a0d20a5d50b00e8755ba9844d5f5b469cac801ef Mon Sep 17 00:00:00 2001
From: Ryan Petrello <rpetrell@redhat.com>
Date: Wed, 4 Dec 2019 08:38:22 -0500
Subject: [PATCH] fix an nuanced bug which can cause OAuth2 migrations to fail

---
 awx/__init__.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/awx/__init__.py b/awx/__init__.py
index b97a5694af..433892edbf 100644
--- a/awx/__init__.py
+++ b/awx/__init__.py
@@ -86,7 +86,14 @@ def oauth2_getattribute(self, attr):
     # Custom method to override
     # oauth2_provider.settings.OAuth2ProviderSettings.__getattribute__
     from django.conf import settings
-    val = settings.OAUTH2_PROVIDER.get(attr)
+    val = None
+    if 'migrate' not in sys.argv:
+        # certain Django OAuth Toolkit migrations actually reference
+        # setting lookups for references to model classes (e.g.,
+        # oauth2_settings.REFRESH_TOKEN_MODEL)
+        # If we're doing an OAuth2 setting lookup *while running* a migration,
+        # don't do our usual "Configure Tower in Tower" database setting lookup
+        val = settings.OAUTH2_PROVIDER.get(attr)
     if val is None:
         val = object.__getattribute__(self, attr)
     return val