0001-django-handle-tuple-INSTALLED_APPS.patch

From d6217f15009760aec1a0d68ddcbb2278ceee4ac8 Mon Sep 17 00:00:00 2001
From: talwai <[email protected]>
Date: Thu, 27 Apr 2017 12:10:23 -0400
Subject: [PATCH] django: handle tuple INSTALLED_APPS

---
 ddtrace/contrib/django/patch.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/ddtrace/contrib/django/patch.py b/ddtrace/contrib/django/patch.py
index 93319eb..cecada4 100644
--- a/ddtrace/contrib/django/patch.py
+++ b/ddtrace/contrib/django/patch.py
@@ -16,11 +16,19 @@ def traced_setup(wrapped, instance, args, kwargs):
     from django.conf import settings
 
     if 'ddtrace.contrib.django' not in settings.INSTALLED_APPS:
-        settings.INSTALLED_APPS.append('ddtrace.contrib.django')
+        if isinstance(settings.INSTALLED_APPS, tuple):
+            # INSTALLED_APPS is a tuple < 1.9
+            settings.INSTALLED_APPS = settings.INSTALLED_APPS + ('ddtrace.contrib.django', )
+        else:
+            settings.INSTALLED_APPS.append('ddtrace.contrib.django')
 
     if hasattr(settings, 'MIDDLEWARE_CLASSES'):
         if 'ddtrace.contrib.django.TraceMiddleware' not in settings.MIDDLEWARE_CLASSES:
-            settings.MIDDLEWARE_CLASSES.insert(0, 'ddtrace.contrib.django.TraceMiddleware')
+            if isinstance(settings.MIDDLEWARE_CLASSES, tuple):
+                # MIDDLEWARE_CLASSES is a tuple < 1.9
+                settings.MIDDLEWARE_CLASSES = ('ddtrace.contrib.django.TraceMiddleware', ) + settings.MIDDLEWARE_CLASSES
+            else:
+                settings.MIDDLEWARE_CLASSES.insert(0, 'ddtrace.contrib.django.TraceMiddleware')
 
     if hasattr(settings, 'MIDDLEWARE'):
         if 'ddtrace.contrib.django.TraceMiddleware' not in settings.MIDDLEWARE:
-- 
2.3.5