Deprecate DjrillAdminSite

djrill/__init__.py

@@ -2,7 +2,7 @@ from django.conf import settings
 from django.contrib.admin.sites import AdminSite
 from django.utils.text import capfirst
 
-from djrill.exceptions import MandrillAPIError, NotSupportedByMandrillError
+from djrill.exceptions import MandrillAPIError, NotSupportedByMandrillError, removed_in_djrill_2
 
 from ._version import *
 
@@ -17,6 +17,15 @@ class DjrillAdminSite(AdminSite):
     # If new versions of Django break DjrillAdminSite, it's worth checking to see
     # whether django-adminplus has dealt with something similar.
 
+    def __init__(self, *args, **kwargs):
+        removed_in_djrill_2(
+            "DjrillAdminSite will be removed in Djrill 2.0. "
+            "You should remove references to it from your code. "
+            "(All of its data is available in the Mandrill dashboard.)"
+        )
+        super(DjrillAdminSite, self).__init__(*args, **kwargs)
+
+
     index_template = "djrill/index.html"
     custom_views = []
     custom_urls = []

djrill/tests/test_admin.py

@@ -6,14 +6,9 @@ from django.contrib.auth.models import User
 from django.contrib import admin
 import six
 
+from djrill.exceptions import RemovedInDjrill2
 from djrill.tests.mock_backend import DjrillBackendMockAPITestCase
-
-from .utils import override_settings
-
-# We don't care that the `cycle` template tag will be removed in Django 2.0,
-# because we're planning to drop the Djrill admin templates before then.
-warnings.filterwarnings('ignore', category=PendingDeprecationWarning,
-                        message="Loading the `cycle` tag from the `future` library")
+from djrill.tests.utils import override_settings
 
 
 def reset_admin_site():
@@ -34,6 +29,21 @@ class DjrillAdminTests(DjrillBackendMockAPITestCase):
         # so return it to the default state before loading test_admin_urls
         reset_admin_site()
 
+    def run(self, result=None):
+        with warnings.catch_warnings():
+            # DjrillAdminSite deprecation is tested in test_legacy
+            warnings.filterwarnings('ignore', category=RemovedInDjrill2,
+                                    message="DjrillAdminSite will be removed in Djrill 2.0")
+            # We don't care that the `cycle` template tag will be removed in Django 2.0,
+            # because we're planning to drop the Djrill admin templates before then.
+            warnings.filterwarnings('ignore', category=PendingDeprecationWarning,
+                                    message="Loading the `cycle` tag from the `future` library")
+            # We don't care that user messaging was deprecated in Django 1.3
+            # (testing artifact of our runtests.py minimal Django settings)
+            warnings.filterwarnings('ignore', category=DeprecationWarning,
+                                    message="The user messaging API is deprecated.")
+            super(DjrillAdminTests, self).run(result)
+
     def setUp(self):
         super(DjrillAdminTests, self).setUp()
         # Must be authenticated staff to access admin site...

djrill/tests/test_legacy.py

@@ -6,14 +6,24 @@ import warnings
 from django.core import mail
 from django.test import TestCase
 
+from djrill import MandrillAPIError, NotSupportedByMandrillError, DjrillAdminSite
 from djrill.mail import DjrillMessage
-from djrill import MandrillAPIError, NotSupportedByMandrillError
-
-from .mock_backend import DjrillBackendMockAPITestCase
+from djrill.tests.mock_backend import DjrillBackendMockAPITestCase
+from djrill.tests.utils import reset_warning_registry
 
 
 class DjrillBackendDeprecationTests(DjrillBackendMockAPITestCase):
 
+    def setUp(self):
+        reset_warning_registry()
+        super(DjrillBackendDeprecationTests, self).setUp()
+
+    def test_deprecated_admin_site(self):
+        """Djrill 2.0 drops the custom DjrillAdminSite"""
+        self.assertWarnsMessage(DeprecationWarning,
+                                "DjrillAdminSite will be removed in Djrill 2.0",
+                                DjrillAdminSite)
+
     def test_deprecated_json_date_encoding(self):
         """Djrill 2.0+ avoids a blanket JSONDateUTCEncoder"""
         # Djrill allows dates for send_at, so shouldn't warn:

djrill/tests/utils.py

@@ -1,9 +1,11 @@
 import re
 import six
+import sys
 
 __all__ = (
     'BackportedAssertions',
     'override_settings',
+    'reset_warning_registry',
 )
 
 try:
@@ -86,3 +88,18 @@ class BackportedAssertions(object):
                             callable_obj=None, *args, **kwargs):
         return six.assertRaisesRegex(self, expected_exception, re.escape(expected_message),
                                      callable_obj, *args, **kwargs)
+
+
+# Backport from Django 1.8 (django.test.utils)
+def reset_warning_registry():
+    """
+    Clear warning registry for all modules. This is required in some tests
+    because of a bug in Python that prevents warnings.simplefilter("always")
+    from always making warnings appear: http://bugs.python.org/issue4180
+
+    The bug was fixed in Python 3.4.2.
+    """
+    key = "__warningregistry__"
+    for mod in sys.modules.values():
+        if hasattr(mod, key):
+            getattr(mod, key).clear()

docs/history.rst

@@ -16,6 +16,20 @@ version of Djrill (1.4) will try to warn you if you use things
 that will change. (Warnings appear in the console when running Django
 in debug mode.)
 
+* **Djrill Admin site**
+
+  Djrill 2.0 will remove the custom Djrill admin site. It duplicates
+  information from Mandrill's dashboard, most Djrill users are unaware
+  it exists, and it has caused problems tracking Django admin changes.
+
+  Drill 1.4 will report a `DeprecationWarning` when you try to load
+  the `DjrillAdminSite`. You should remove it from your code.
+
+  Also, if you changed :setting:`INSTALLED_APPS` to use
+  `'django.contrib.admin.apps.SimpleAdminConfig'`, you may be able to
+  switch that back to `'django.contrib.admin'` and let Django
+  handle the `admin.autodiscover()` for you.
+
 * **Dates in merge data and other attributes**
 
   Djrill automatically converts :attr:`send_at` `date` and `datetime`