Added support to AppConfig notation in INSTALLED_APPS settings

menu_generator/templatetags/utils.py

 from django.conf import settings
-from ..utils import get_callable
+from ..utils import get_callable, clean_app_config
 
 MENU_DICT = ".menus.MENUS"
 
@@ -14,8 +14,9 @@ def get_menu_from_apps(menu_name):
     installed_apps = getattr(settings, "INSTALLED_APPS", [])
     menu_list = []
     for app in installed_apps:
+        cleaned_app = clean_app_config(app)
         try:
-            all_menus_dict = get_callable(app + MENU_DICT)
+            all_menus_dict = get_callable(cleaned_app + MENU_DICT)
         except ImportError:
             all_menus_dict = None
         except AttributeError:

menu_generator/tests/testsettings.py

@@ -7,7 +7,7 @@ DATABASES = {
 SECRET_KEY = "r4dy"
 INSTALLED_APPS = [
     'menu_generator',
-    'menu_generator.tests.test_apps.app1',
+    'menu_generator.tests.test_apps.app1.apps.MyAppConfig',
     'menu_generator.tests.test_apps.app2',
     'menu_generator.tests.test_apps.app3'
 ]

menu_generator/utils.py

 from importlib import import_module
 
+from django.apps import apps
+from django.core.exceptions import ImproperlyConfigured
+
 
 def get_callable(func_or_path):
     """
@@ -13,3 +16,22 @@ def get_callable(func_or_path):
     _module = import_module(module_name)
     func = getattr(_module, function_name)
     return func
+
+
+def clean_app_config(app_path):
+    """
+    Removes the AppConfig path for this app and returns the new string
+    """
+    apps_names = [app.name for app in apps.get_app_configs()]
+    if app_path in apps_names:
+        return app_path
+    else:
+        app_split = app_path.split('.')
+        new_app = '.'.join(app_split[:len(app_split) - 2])
+        if new_app in apps_names:
+            return new_app
+        else:
+            raise ImproperlyConfigured(
+                "The application {0} is not in the configured apps or does" +
+                "not have the pattern app.apps.AppConfig".format(app_path)
+            )