1 files changed, 63 insertions, 2 deletions
diff --git a/debug_toolbar/settings.py b/debug_toolbar/settings.py
index 5ed0005..48649fd 100644
--- a/debug_toolbar/settings.py
+++ b/debug_toolbar/settings.py
@@ -3,6 +3,7 @@ from __future__ import absolute_import, unicode_literals
 import warnings
 
 from django.conf import settings
+from django.utils.importlib import import_module
 from django.utils import six
 
 
@@ -75,13 +76,12 @@ PANELS_DEFAULTS = [
     'debug_toolbar.panels.headers.HeadersPanel',
     'debug_toolbar.panels.request.RequestPanel',
     'debug_toolbar.panels.sql.SQLPanel',
-    'debug_toolbar.panels.templates.TemplatesPanel',
     'debug_toolbar.panels.staticfiles.StaticFilesPanel',
+    'debug_toolbar.panels.templates.TemplatesPanel',
     'debug_toolbar.panels.cache.CachePanel',
     'debug_toolbar.panels.signals.SignalsPanel',
     'debug_toolbar.panels.logging.LoggingPanel',
     'debug_toolbar.panels.redirects.RedirectsPanel',
-    'debug_toolbar.panels.profiling.ProfilingPanel',
 ]
 
 try:
@@ -126,3 +126,64 @@ else:
 
 
 PATCH_SETTINGS = getattr(settings, 'DEBUG_TOOLBAR_PATCH_SETTINGS', settings.DEBUG)
+
+
+# The following functions can monkey-patch settings automatically. Several
+# imports are placed inside functions to make it safe to import this module.
+
+
+def is_toolbar_middleware(middleware_path):
+    from debug_toolbar.middleware import DebugToolbarMiddleware
+    # This could be replaced by import_by_path in Django >= 1.6.
+    try:
+        mod_path, cls_name = middleware_path.rsplit('.', 1)
+        mod = import_module(mod_path)
+        middleware_cls = getattr(mod, cls_name)
+    except (AttributeError, ImportError, ValueError):
+        return
+    return issubclass(middleware_cls, DebugToolbarMiddleware)
+
+
+def is_toolbar_middleware_installed():
+    return any(is_toolbar_middleware(middleware)
+               for middleware in settings.MIDDLEWARE_CLASSES)
+
+
+def prepend_to_setting(setting_name, value):
+    """Insert value at the beginning of a list or tuple setting."""
+    values = getattr(settings, setting_name)
+    # Make a list [value] or tuple (value,)
+    value = type(values)((value,))
+    setattr(settings, setting_name, value + values)
+
+
+def patch_internal_ips():
+    if not settings.INTERNAL_IPS:
+        prepend_to_setting('INTERNAL_IPS', '127.0.0.1')
+        prepend_to_setting('INTERNAL_IPS', '::1')
+
+
+def patch_middleware_classes():
+    if not is_toolbar_middleware_installed():
+        prepend_to_setting('MIDDLEWARE_CLASSES',
+                           'debug_toolbar.middleware.DebugToolbarMiddleware')
+
+
+def patch_root_urlconf():
+    from django.conf.urls import include, patterns, url
+    from django.core.urlresolvers import clear_url_caches, reverse, NoReverseMatch
+    import debug_toolbar
+    try:
+        reverse('djdt:render_panel')
+    except NoReverseMatch:
+        urlconf_module = import_module(settings.ROOT_URLCONF)
+        urlconf_module.urlpatterns = patterns('',                      # noqa
+            url(r'^__debug__/', include(debug_toolbar.urls)),
+        ) + urlconf_module.urlpatterns
+        clear_url_caches()
+
+
+def patch_all():
+    patch_internal_ips()
+    patch_middleware_classes()
+    patch_root_urlconf()