general: use django.apps to register URLs and actions (#6979)

combo/__init__.py

@@ -13,7 +13,3 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-from . import plugins
-
-plugins.init()

combo/plugins.py

@@ -17,7 +17,9 @@
 from pkg_resources import iter_entry_points
 import logging
 
+from django.apps import apps
 from django.conf.urls import patterns, include, url
+from django.conf import settings
 
 logger = logging.getLogger(__name__)
 
@@ -41,7 +43,7 @@ def get_plugins(*args, **kwargs):
 def register_plugins_urls(urlpatterns):
     pre_urls = []
     post_urls = []
-    for plugin in get_plugins():
+    for plugin in apps.get_app_configs():
         if hasattr(plugin, 'get_before_urls'):
             urls = plugin.get_before_urls()
             if urls:
@@ -74,15 +76,10 @@ def register_plugins_middleware(middlewares):
     return middlewares
 
 def get_extra_manager_actions():
-    '''This iterates over all plugins and returns a list of dictionaries,
+    '''This iterates over all appconfigs and returns a list of dictionaries,
        with href and text keys.'''
     actions = []
-    for plugin in get_plugins():
+    for plugin in apps.get_app_configs():
         if hasattr(plugin, 'get_extra_manager_actions'):
             actions.extend(plugin.get_extra_manager_actions())
     return actions
-
-def init():
-    for plugin in get_plugins():
-        if hasattr(plugin, 'init'):
-            plugin.init()