Renamed AppCache to Apps.

Also renamed app_cache to apps and "app cache" to "app registry".

Deprecated AppCache.app_cache_ready() in favor of Apps.ready().

django/core/serializers/base.py

@@ -3,7 +3,7 @@ Module for abstract serializer/unserializer base classes.
 """
 import warnings
 
-from django.apps import app_cache
+from django.apps import apps
 from django.db import models
 from django.utils import six
 
@@ -137,9 +137,9 @@ class Deserializer(six.Iterator):
             self.stream = six.StringIO(stream_or_string)
         else:
             self.stream = stream_or_string
-        # Make sure the app cache is loaded before deserialization starts
+        # Make sure the app registy is loaded before deserialization starts
         # (otherwise subclass calls to get_model() and friends might fail...)
-        app_cache.populate_models()
+        apps.populate_models()
 
     def __iter__(self):
         return self

django/core/serializers/python.py

@@ -5,7 +5,7 @@ other serializers.
 """
 from __future__ import unicode_literals
 
-from django.apps import app_cache
+from django.apps import apps
 from django.conf import settings
 from django.core.serializers import base
 from django.db import models, DEFAULT_DB_ALIAS
@@ -88,7 +88,7 @@ def Deserializer(object_list, **options):
     db = options.pop('using', DEFAULT_DB_ALIAS)
     ignore = options.pop('ignorenonexistent', False)
 
-    app_cache.populate_models()
+    apps.populate_models()
 
     for d in object_list:
         # Look up the model and starting build a dict of data for it.
@@ -155,7 +155,7 @@ def _get_model(model_identifier):
     Helper to look up a model from an "app_label.model_name" string.
     """
     try:
-        Model = app_cache.get_model(*model_identifier.split("."))
+        Model = apps.get_model(*model_identifier.split("."))
     except TypeError:
         Model = None
     if Model is None:

django/core/serializers/xml_serializer.py

@@ -4,7 +4,7 @@ XML serializer.
 
 from __future__ import unicode_literals
 
-from django.apps import app_cache
+from django.apps import apps
 from django.conf import settings
 from django.core.serializers import base
 from django.db import models, DEFAULT_DB_ALIAS
@@ -277,7 +277,7 @@ class Deserializer(base.Deserializer):
                 "<%s> node is missing the required '%s' attribute"
                 % (node.nodeName, attr))
         try:
-            Model = app_cache.get_model(*model_identifier.split("."))
+            Model = apps.get_model(*model_identifier.split("."))
         except TypeError:
             Model = None
         if Model is None: