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mirror of https://github.com/django/django.git synced 2024-12-22 17:16:24 +00:00

Removed the only_with_models_module argument of get_model[s].

Now that the refactorings are complete, it isn't particularly useful any
more, nor very well named. Let's keep the API as simple as possible.

Fixed #21689.
This commit is contained in:
Aymeric Augustin 2013-12-30 23:53:54 +01:00
parent ec020cab7e
commit bfcc686d22
11 changed files with 34 additions and 67 deletions

View File

@ -101,35 +101,24 @@ class Apps(object):
"App registry isn't populated yet. "
"Have you called django.setup()?")
def get_app_configs(self, only_with_models_module=False):
def get_app_configs(self):
"""
Imports applications and returns an iterable of app configs.
If only_with_models_module in True (non-default), imports models and
considers only applications containing a models module.
"""
self.check_ready()
for app_config in self.app_configs.values():
if only_with_models_module and app_config.models_module is None:
continue
yield app_config
return self.app_configs.values()
def get_app_config(self, app_label, only_with_models_module=False):
def get_app_config(self, app_label):
"""
Imports applications and returns an app config for the given label.
Raises LookupError if no application exists with this label.
If only_with_models_module in True (non-default), imports models and
considers only applications containing a models module.
"""
self.check_ready()
app_config = self.app_configs.get(app_label)
if app_config is None:
try:
return self.app_configs[app_label]
except KeyError:
raise LookupError("No installed app with label '%s'." % app_label)
if only_with_models_module and app_config.models_module is None:
raise LookupError("App '%s' doesn't have a models module." % app_label)
return app_config
# This method is performance-critical at least for Django's test suite.
@lru_cache.lru_cache(maxsize=None)
@ -319,11 +308,14 @@ class Apps(object):
"get_app_config(app_label).models_module supersedes get_app(app_label).",
PendingDeprecationWarning, stacklevel=2)
try:
return self.get_app_config(
app_label, only_with_models_module=True).models_module
models_module = self.get_app_config(app_label).models_module
except LookupError as exc:
# Change the exception type for backwards compatibility.
raise ImproperlyConfigured(*exc.args)
if models_module is None:
raise ImproperlyConfigured(
"App '%s' doesn't have a models module." % app_label)
return models_module
def get_apps(self):
"""
@ -332,8 +324,9 @@ class Apps(object):
warnings.warn(
"[a.models_module for a in get_app_configs()] supersedes get_apps().",
PendingDeprecationWarning, stacklevel=2)
app_configs = self.get_app_configs(only_with_models_module=True)
return [app_config.models_module for app_config in app_configs]
app_configs = self.get_app_configs()
return [app_config.models_module for app_config in app_configs
if app_config.models_module is not None]
def _get_app_package(self, app):
return '.'.join(app.__name__.split('.')[:-1])

View File

@ -88,7 +88,7 @@ If you're unsure, answer 'no'.
def update_all_contenttypes(**kwargs):
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
update_contenttypes(app_config, **kwargs)

View File

@ -344,9 +344,6 @@ class AppCommand(BaseCommand):
from django.apps import apps
if not app_labels:
raise CommandError("Enter at least one application label.")
# Don't use only_with_models_module=True in get_app_config() to tell
# apart missing apps from apps without a model module -- which can't
# be supported with the legacy API since it passes the models module.
try:
app_configs = [apps.get_app_config(app_label) for app_label in app_labels]
except (LookupError, ImportError) as e:

View File

@ -82,8 +82,8 @@ class Command(BaseCommand):
if primary_keys:
raise CommandError("You can only use --pks option with one model")
app_list = OrderedDict((app_config, None)
for app_config in apps.get_app_configs(only_with_models_module=True)
if app_config not in excluded_apps)
for app_config in apps.get_app_configs()
if app_config.models_module is not None and app_config not in excluded_apps)
else:
if len(app_labels) > 1 and primary_keys:
raise CommandError("You can only use --pks option with one model")

View File

@ -93,6 +93,6 @@ Are you sure you want to do this?
# Emit the post migrate signal. This allows individual applications to
# respond as if the database had been migrated from scratch.
all_models = []
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
all_models.extend(router.get_migratable_models(app_config, database, include_auto_created=True))
emit_post_migrate_signal(set(all_models), verbosity, interactive, database)

View File

@ -181,8 +181,8 @@ class Command(BaseCommand):
all_models = [
(app_config.label,
router.get_migratable_models(app_config, connection.alias, include_auto_created=True))
for app_config in apps.get_app_configs(only_with_models_module=True)
if app_config.label in app_labels
for app_config in apps.get_app_configs()
if app_config.models_module is not None and app_config.label in app_labels
]
def model_installed(model):

View File

@ -207,7 +207,9 @@ def custom_sql_for_model(model, style, connection):
def emit_pre_migrate_signal(create_models, verbosity, interactive, db):
# Emit the pre_migrate signal for every application.
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
if app_config.models_module is None:
continue
if verbosity >= 2:
print("Running pre-migrate handlers for application %s" % app_config.label)
models.signals.pre_migrate.send(
@ -228,7 +230,9 @@ def emit_pre_migrate_signal(create_models, verbosity, interactive, db):
def emit_post_migrate_signal(created_models, verbosity, interactive, db):
# Emit the post_migrate signal for every application.
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
if app_config.models_module is None:
continue
if verbosity >= 2:
print("Running post-migrate handlers for application %s" % app_config.label)
models.signals.post_migrate.send(

View File

@ -1271,7 +1271,7 @@ class BaseDatabaseIntrospection(object):
from django.apps import apps
from django.db import router
tables = set()
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
for model in router.get_migratable_models(app_config, self.connection.alias):
if not model._meta.managed:
continue
@ -1292,7 +1292,7 @@ class BaseDatabaseIntrospection(object):
from django.apps import apps
from django.db import router
all_models = []
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
all_models.extend(router.get_migratable_models(app_config, self.connection.alias))
tables = list(map(self.table_name_converter, tables))
return set([
@ -1307,7 +1307,7 @@ class BaseDatabaseIntrospection(object):
sequence_list = []
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
for model in router.get_migratable_models(app_config, self.connection.alias):
if not model._meta.managed:
continue

View File

@ -59,7 +59,9 @@ class MigrationLoader(object):
self.disk_migrations = {}
self.unmigrated_apps = set()
self.migrated_apps = set()
for app_config in apps.get_app_configs(only_with_models_module=True):
for app_config in apps.get_app_configs():
if app_config.models_module is None:
continue
# Get the migrations module directory
module_name = self.migrations_module(app_config.label)
was_loaded = module_name in sys.modules

View File

@ -184,22 +184,16 @@ Application registry
Returns ``True`` if the registry is fully populated.
.. method:: apps.get_app_configs(only_with_models_module=False)
.. method:: apps.get_app_configs()
Returns an iterable of :class:`~django.apps.AppConfig` instances.
If only applications containing a models module are of interest, this method
can be called with ``only_with_models_module=True``.
.. method:: apps.get_app_config(app_label, only_with_models_module=False)
.. method:: apps.get_app_config(app_label)
Returns an :class:`~django.apps.AppConfig` for the application with the
given ``app_label``. Raises :exc:`~exceptions.LookupError` if no such
application exists.
If only applications containing a models module are of interest, this method
can be called with ``only_with_models_module=True``.
.. method:: apps.has_app(app_name)
Checks whether an application with the given name exists in the registry.

View File

@ -26,8 +26,6 @@ SOME_INSTALLED_APPS_NAMES = [
'django.contrib.auth',
] + SOME_INSTALLED_APPS[2:]
SOME_INSTALLED_APPS_WTH_MODELS_NAMES = SOME_INSTALLED_APPS_NAMES[:4]
class AppsTests(TestCase):
@ -93,16 +91,6 @@ class AppsTests(TestCase):
[app_config.name for app_config in app_configs],
SOME_INSTALLED_APPS_NAMES)
@override_settings(INSTALLED_APPS=SOME_INSTALLED_APPS)
def test_get_app_configs_with_models(self):
"""
Tests get_app_configs(only_with_models_module=True).
"""
app_configs = apps.get_app_configs(only_with_models_module=True)
self.assertListEqual(
[app_config.name for app_config in app_configs],
SOME_INSTALLED_APPS_WTH_MODELS_NAMES)
@override_settings(INSTALLED_APPS=SOME_INSTALLED_APPS)
def test_get_app_config(self):
"""
@ -117,17 +105,6 @@ class AppsTests(TestCase):
with self.assertRaises(LookupError):
apps.get_app_config('webdesign')
@override_settings(INSTALLED_APPS=SOME_INSTALLED_APPS)
def test_get_app_config_with_models(self):
"""
Tests get_app_config(only_with_models_module=True).
"""
app_config = apps.get_app_config('admin', only_with_models_module=True)
self.assertEqual(app_config.name, 'django.contrib.admin')
with self.assertRaises(LookupError):
apps.get_app_config('staticfiles', only_with_models_module=True)
@override_settings(INSTALLED_APPS=SOME_INSTALLED_APPS)
def test_has_app(self):
self.assertTrue(apps.has_app('django.contrib.admin'))