diff --git a/django/apps/registry.py b/django/apps/registry.py index e5d46e9305..67cca2cfdf 100644 --- a/django/apps/registry.py +++ b/django/apps/registry.py @@ -27,10 +27,6 @@ class Apps(object): if master and hasattr(sys.modules[__name__], 'apps'): raise RuntimeError("You may create only one master registry.") - # When master is set to False, the registry ignores the only_installed - # arguments to get_model[s]. - self.master = master - # Mapping of app labels => model names => model classes. Every time a # model is imported, ModelBase.__new__ calls apps.register_model which # creates an entry in all_models. All imported models are registered, @@ -190,9 +186,8 @@ class Apps(object): # This method is performance-critical at least for Django's test suite. @lru_cache.lru_cache(maxsize=None) - def get_models(self, app_mod=None, - include_auto_created=False, include_deferred=False, - only_installed=True, include_swapped=False): + def get_models(self, app_mod=None, include_auto_created=False, + include_deferred=False, include_swapped=False): """ Given a module containing models, returns a list of the models. Otherwise returns a list of all installed models. @@ -205,33 +200,20 @@ class Apps(object): queries are *not* included in the list of models. However, if you specify include_deferred, they will be. - By default, models that aren't part of installed apps will *not* - be included in the list of models. However, if you specify - only_installed=False, they will be. If you're using a non-default - Apps, this argument does nothing - all models will be included. - By default, models that have been swapped out will *not* be included in the list of models. However, if you specify include_swapped, they will be. """ - if not self.master: - only_installed = False model_list = None self.populate_models() if app_mod: app_label = app_mod.__name__.split('.')[-2] - if only_installed: - try: - model_dicts = [self.app_configs[app_label].models] - except KeyError: - model_dicts = [] - else: - model_dicts = [self.all_models[app_label]] + try: + model_dicts = [self.app_configs[app_label].models] + except KeyError: + model_dicts = [] else: - if only_installed: - model_dicts = [app_config.models for app_config in self.app_configs.values()] - else: - model_dicts = self.all_models.values() + model_dicts = [app_config.models for app_config in self.app_configs.values()] model_list = [] for model_dict in model_dicts: model_list.extend( diff --git a/django/db/models/options.py b/django/db/models/options.py index f50c639975..6ad914e025 100644 --- a/django/db/models/options.py +++ b/django/db/models/options.py @@ -514,7 +514,7 @@ class Options(object): cache[obj] = model # Collect also objects which are in relation to some proxy child/parent of self. proxy_cache = cache.copy() - for klass in self.apps.get_models(include_auto_created=True, only_installed=False): + for klass in self.apps.get_models(include_auto_created=True): if not klass._meta.swapped: for f in klass._meta.local_fields: if f.rel and not isinstance(f.rel.to, six.string_types) and f.generate_reverse_relation: @@ -557,7 +557,7 @@ class Options(object): cache[obj] = parent else: cache[obj] = model - for klass in self.apps.get_models(only_installed=False): + for klass in self.apps.get_models(): if not klass._meta.swapped: for f in klass._meta.local_many_to_many: if (f.rel diff --git a/docs/releases/1.7.txt b/docs/releases/1.7.txt index 2c1b2bf26f..0d83c3aa81 100644 --- a/docs/releases/1.7.txt +++ b/docs/releases/1.7.txt @@ -593,6 +593,10 @@ methods are only referring to fields or other items in ``model._meta``. App-loading changes ~~~~~~~~~~~~~~~~~~~ +You should make sure that your project doesn't import models from applications +that aren't in :setting:`INSTALLED_APPS`. Relations involving such models may +not be created properly. + Subclasses of :class:`~django.core.management.AppCommand` must now implement a :meth:`~django.core.management.AppCommand.handle_app_config` method instead of ``handle_app()``. This method receives an :class:`~django.apps.AppConfig` instance. @@ -609,8 +613,8 @@ period. In addition, the following changes take effect immediately: * ``get_model`` raises :exc:`~exceptions.LookupError` instead of returning ``None`` when no model is found. -* The ``only_installed`` and ``seed_cache`` arguments of ``get_model`` no - longer exist. +* The ``only_installed`` argument of ``get_model`` and ``get_models`` no + longer exists, nor does the ``seed_cache`` argument of ``get_model``. While the new implementation is believed to be more robust, regressions cannot be ruled out, especially during the import sequence. Circular imports that diff --git a/tests/app_loading/tests.py b/tests/app_loading/tests.py index 04ca30e88d..fddf75f30e 100644 --- a/tests/app_loading/tests.py +++ b/tests/app_loading/tests.py @@ -82,16 +82,3 @@ class GetModelsTest(TestCase): def test_get_models_with_app_label_only_returns_installed_models(self): self.assertEqual(apps.get_models(self.not_installed_module), []) - - def test_get_models_with_not_installed(self): - self.assertIn( - "NotInstalledModel", - [m.__name__ for m in apps.get_models(only_installed=False)]) - - -class NotInstalledModelsTest(TestCase): - def test_related_not_installed_model(self): - from .not_installed.models import NotInstalledModel - self.assertEqual( - set(NotInstalledModel._meta.get_all_field_names()), - set(["id", "relatedmodel", "m2mrelatedmodel"]))