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Stopped iterating on INSTALLED_APPS. 

Used the app cache's get_app_configs() method instead.
This commit is contained in:
Aymeric Augustin 2013-12-19 15:57:23 +01:00
parent d4733b6df0
commit 65cd74be8e
18 changed files with 116 additions and 82 deletions
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6
django/contrib/staticfiles/finders.py
View File

@ -2,6 +2,7 @@ from collections import OrderedDict
import os
from django.conf import settings
from django.core.apps import app_cache
from django.core.exceptions import ImproperlyConfigured
from django.core.files.storage import default_storage, Storage, FileSystemStorage
from django.utils.functional import empty, LazyObject
@ -116,10 +117,11 @@ class AppDirectoriesFinder(BaseFinder):
def __init__(self, apps=None, *args, **kwargs):
# The list of apps that are handled
self.apps = []
# Mapping of app module paths to storage instances
# Mapping of app names to storage instances
self.storages = OrderedDict()
if apps is None:
apps = settings.INSTALLED_APPS
app_configs = app_cache.get_app_configs()
apps = [app_config.name for app_config in app_configs]
for app in apps:
app_storage = self.storage_class(app)
if os.path.isdir(app_storage.location):

20
django/core/management/__init__.py
View File

@ -5,6 +5,7 @@ from optparse import OptionParser, NO_DEFAULT
import os
import sys
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.core.management.base import BaseCommand, CommandError, handle_default_options
from django.core.management.color import color_style
@ -106,13 +107,19 @@ def get_commands():
_commands = dict((name, 'django.core') for name in find_commands(__path__[0]))
# Find the installed apps
from django.conf import settings
try:
apps = settings.INSTALLED_APPS
settings.INSTALLED_APPS
except ImproperlyConfigured:
# Still useful for commands that do not require functional settings,
# like startproject or help
# Still useful for commands that do not require functional
# settings, like startproject or help.
apps = []
else:
# Populate the app cache outside of the try/except block to avoid
# catching ImproperlyConfigured errors that aren't caused by the
# absence of a settings module.
from django.core.apps import app_cache
app_configs = app_cache.get_app_configs()
apps = [app_config.name for app_config in app_configs]
# Find and load the management module for each installed app.
for app_name in apps:
@ -339,9 +346,10 @@ class ManagementUtility(object):
elif cwords[0] in ('dumpdata', 'sql', 'sqlall', 'sqlclear',
'sqlcustom', 'sqlindexes', 'sqlsequencereset', 'test'):
try:
from django.conf import settings
from django.core.apps import app_cache
app_configs = app_cache.get_app_configs()
# Get the last part of the dotted path as the app name.
options += [(a.split('.')[-1], 0) for a in settings.INSTALLED_APPS]
options += [(app_config.label, 0) for app_config in app_configs]
except ImportError:
# Fail silently if DJANGO_SETTINGS_MODULE isn't set. The
# user will find out once they execute the command.

5
django/core/management/commands/flush.py
View File

@ -2,7 +2,6 @@ import sys
from importlib import import_module
from optparse import make_option
from django.conf import settings
from django.core.apps import app_cache
from django.db import connections, router, transaction, DEFAULT_DB_ALIAS
from django.core.management import call_command
@ -42,9 +41,9 @@ class Command(NoArgsCommand):
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_name in settings.INSTALLED_APPS:
for app_config in app_cache.get_app_configs():
try:
import_module('.management', app_name)
import_module('.management', app_config.name)
except ImportError:
pass

7
django/core/management/commands/migrate.py
View File

@ -6,7 +6,6 @@ from importlib import import_module
import itertools
import traceback
from django.conf import settings
from django.core.apps import app_cache
from django.core.management import call_command
from django.core.management.base import BaseCommand, CommandError
@ -47,9 +46,9 @@ class Command(BaseCommand):
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_name in settings.INSTALLED_APPS:
if module_has_submodule(import_module(app_name), "management"):
import_module('.management', app_name)
for app_config in app_cache.get_app_configs():
if module_has_submodule(app_config.app_module, "management"):
import_module('.management', app_config.name)
# Get the database we're operating from
db = options.get('database')

8
django/template/base.py
View File

@ -6,6 +6,7 @@ from importlib import import_module
from inspect import getargspec, getcallargs
from django.conf import settings
from django.core.apps import app_cache
from django.template.context import (BaseContext, Context, RequestContext, # NOQA: imported for backwards compatibility
ContextPopException)
from django.utils.itercompat import is_iterable
@ -1302,9 +1303,12 @@ def get_templatetags_modules():
# Populate list once per process. Mutate the local list first, and
# then assign it to the global name to ensure there are no cases where
# two threads try to populate it simultaneously.
for app_module in ['django'] + list(settings.INSTALLED_APPS):
templatetags_modules_candidates = ['django.templatetags']
templatetags_modules_candidates += ['%s.templatetags' % app_config.name
for app_config in app_cache.get_app_configs()]
for templatetag_module in templatetags_modules_candidates:
try:
templatetag_module = '%s.templatetags' % app_module
import_module(templatetag_module)
_templatetags_modules.append(templatetag_module)
except ImportError:

11
django/template/loaders/app_directories.py
View File

@ -3,12 +3,11 @@ Wrapper for loading templates from "templates" directories in INSTALLED_APPS
packages.
"""
from importlib import import_module
import os
import sys
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.core.apps import app_cache
from django.template.base import TemplateDoesNotExist
from django.template.loader import BaseLoader
from django.utils._os import safe_join
@ -18,12 +17,8 @@ from django.utils import six
if six.PY2:
fs_encoding = sys.getfilesystemencoding() or sys.getdefaultencoding()
app_template_dirs = []
for app in settings.INSTALLED_APPS:
try:
mod = import_module(app)
except ImportError as e:
raise ImproperlyConfigured('ImportError %s: %s' % (app, e.args[0]))
template_dir = os.path.join(os.path.dirname(mod.__file__), 'templates')
for app_config in app_cache.get_app_configs():
template_dir = os.path.join(app_config.path, 'templates')
if os.path.isdir(template_dir):
if six.PY2:
template_dir = template_dir.decode(fs_encoding)

7
django/template/loaders/eggs.py
View File

@ -7,6 +7,7 @@ except ImportError:
resource_string = None
from django.conf import settings
from django.core.apps import app_cache
from django.template.base import TemplateDoesNotExist
from django.template.loader import BaseLoader
from django.utils import six
@ -23,12 +24,12 @@ class Loader(BaseLoader):
"""
if resource_string is not None:
pkg_name = 'templates/' + template_name
for app in settings.INSTALLED_APPS:
for app_config in app_cache.get_app_configs():
try:
resource = resource_string(app, pkg_name)
resource = resource_string(app_config.name, pkg_name)
except Exception:
continue
if six.PY2:
resource = resource.decode(settings.FILE_CHARSET)
return (resource, 'egg:%s:%s' % (app, pkg_name))
return (resource, 'egg:%s:%s' % (app_config.name, pkg_name))
raise TemplateDoesNotExist(template_name)

9
django/utils/autoreload.py
View File

@ -37,9 +37,8 @@ import time
import traceback
from django.conf import settings
from django.core.apps import app_cache
from django.core.signals import request_finished
from django.utils._os import upath
from importlib import import_module
try:
from django.utils.six.moves import _thread as thread
except ImportError:
@ -91,10 +90,8 @@ def gen_filenames():
basedirs = [os.path.join(os.path.dirname(os.path.dirname(__file__)),
'conf', 'locale'),
'locale']
for appname in reversed(settings.INSTALLED_APPS):
app = import_module(appname)
basedirs.append(os.path.join(os.path.dirname(upath(app.__file__)),
'locale'))
for app_config in reversed(list(app_cache.get_app_configs())):
basedirs.append(os.path.join(app_config.path, 'locale'))
basedirs.extend(settings.LOCALE_PATHS)
basedirs = [os.path.abspath(basedir) for basedir in basedirs
if os.path.isdir(basedir)]

9
django/utils/module_loading.py
View File

@ -58,18 +58,17 @@ def autodiscover_modules(*args, **kwargs):
registry. This register_to object must have a _registry instance variable
to access it.
"""
from django.conf import settings
from django.core.apps import app_cache
register_to = kwargs.get('register_to')
for app in settings.INSTALLED_APPS:
mod = import_module(app)
for app_config in app_cache.get_app_configs():
# Attempt to import the app's module.
try:
if register_to:
before_import_registry = copy.copy(register_to._registry)
for module_to_search in args:
import_module('%s.%s' % (app, module_to_search))
import_module('%s.%s' % (app_config.name, module_to_search))
except:
# Reset the model registry to the state before the last import as
# this import will have to reoccur on the next request and this
@ -81,7 +80,7 @@ def autodiscover_modules(*args, **kwargs):
# Decide whether to bubble up this error. If the app just
# doesn't have an admin module, we can ignore the error
# attempting to import it, otherwise we want it to bubble up.
if module_has_submodule(mod, module_to_search):
if module_has_submodule(app_config.app_module, module_to_search):
raise

8
django/utils/translation/trans_real.py
View File

@ -7,10 +7,10 @@ import os
import re
import sys
import gettext as gettext_module
from importlib import import_module
from threading import local
import warnings
from django.core.apps import app_cache
from django.dispatch import receiver
from django.test.signals import setting_changed
from django.utils.encoding import force_str, force_text
@ -179,10 +179,8 @@ def translation(language):
res.merge(t)
return res
for appname in reversed(settings.INSTALLED_APPS):
app = import_module(appname)
apppath = os.path.join(os.path.dirname(upath(app.__file__)), 'locale')
for app_config in reversed(list(app_cache.get_app_configs())):
apppath = os.path.join(app_config.path, 'locale')
if os.path.isdir(apppath):
res = _merge(apppath)

6
django/views/i18n.py
View File

@ -5,6 +5,7 @@ import gettext as gettext_module
from django import http
from django.conf import settings
from django.core.apps import app_cache
from django.template import Context, Template
from django.utils.translation import check_for_language, to_locale, get_language
from django.utils.encoding import smart_text
@ -187,7 +188,10 @@ def render_javascript_catalog(catalog=None, plural=None):
def get_javascript_catalog(locale, domain, packages):
default_locale = to_locale(settings.LANGUAGE_CODE)
packages = [p for p in packages if p == 'django.conf' or p in settings.INSTALLED_APPS]
app_configs = app_cache.get_app_configs()
allowable_packages = set(app_config.name for app_config in app_configs)
allowable_packages.add('django.conf')
packages = [p for p in packages if p in allowable_packages]
t = {}
paths = []
en_selected = locale.startswith('en')

8
tests/bash_completion/tests.py
View File

@ -5,7 +5,7 @@ import os
import sys
import unittest
from django.conf import settings
from django.core.apps import app_cache
from django.core.management import ManagementUtility
from django.utils.six import StringIO
@ -84,5 +84,7 @@ class BashCompletionTests(unittest.TestCase):
"Application names will be autocompleted for an AppCommand"
self._user_input('django-admin.py sqlall a')
output = self._run_autocomplete()
app_labels = [name.split('.')[-1] for name in settings.INSTALLED_APPS]
self.assertEqual(output, sorted(label for label in app_labels if label.startswith('a')))
a_labels = sorted(app_config.label
for app_config in app_cache.get_app_configs()
if app_config.label.startswith('a'))
self.assertEqual(output, a_labels)

26
tests/i18n/tests.py
View File

@ -9,6 +9,7 @@ import pickle
from threading import local
from django.conf import settings
from django.core.apps import app_cache
from django.template import Template, Context
from django.template.base import TemplateSyntaxError
from django.test import TestCase, RequestFactory
@ -1035,11 +1036,29 @@ class ResolutionOrderI18NTests(TransRealMixin, TestCase):
"translation of '%s'; the actual result is '%s'." % (msgstr, msgid, result)))
@override_settings(INSTALLED_APPS=['i18n.resolution'] + list(settings.INSTALLED_APPS))
class AppResolutionOrderI18NTests(ResolutionOrderI18NTests):
def test_app_translation(self):
self.assertUgettext('Date/time', 'APP')
# This test relies on an implementation detail, namely the fact that
# _with_app adds the app at the list. Adjust the test if this changes.
# Original translation.
self.assertUgettext('Date/time', 'Datum/Zeit')
# Different translation.
with app_cache._with_app('i18n.resolution'):
self.flush_caches()
activate('de')
# Doesn't work because it's added later in the list.
self.assertUgettext('Date/time', 'Datum/Zeit')
with app_cache._without_app('admin'):
self.flush_caches()
activate('de')
# Unless the original is removed from the list.
self.assertUgettext('Date/time', 'Datum/Zeit (APP)')
@override_settings(LOCALE_PATHS=extended_locale_paths)
@ -1049,8 +1068,7 @@ class LocalePathsResolutionOrderI18NTests(ResolutionOrderI18NTests):
self.assertUgettext('Time', 'LOCALE_PATHS')
def test_locale_paths_override_app_translation(self):
extended_apps = list(settings.INSTALLED_APPS) + ['i18n.resolution']
with self.settings(INSTALLED_APPS=extended_apps):
with app_cache._with_app('i18n.resolution'):
self.assertUgettext('Time', 'LOCALE_PATHS')

3
tests/staticfiles_tests/test_liveserver.py
View File

@ -86,6 +86,9 @@ class StaticLiveServerChecks(LiveServerBase):
class StaticLiveServerView(LiveServerBase):
# The test is going to access a static file stored in this application.
available_apps = ['staticfiles_tests.apps.test']
def urlopen(self, url):
return urlopen(self.live_server_url + url)

27
tests/template_tests/test_loaders.py
View File

@ -20,6 +20,7 @@ except ImportError:
pkg_resources = None
from django.core.apps import app_cache
from django.template import TemplateDoesNotExist, Context
from django.template.loaders.eggs import Loader as EggLoader
from django.template import loader
@ -49,7 +50,6 @@ def create_egg(name, resources):
@unittest.skipUnless(pkg_resources, 'setuptools is not installed')
@override_settings(INSTALLED_APPS=[])
class EggLoaderTest(TestCase):
def setUp(self):
# Defined here b/c at module scope we may not have pkg_resources
@ -78,29 +78,28 @@ class EggLoaderTest(TestCase):
os.path.normcase('templates/x.txt'): StringIO("x"),
})
@override_settings(INSTALLED_APPS=['egg_empty'])
def test_empty(self):
"Loading any template on an empty egg should fail"
egg_loader = EggLoader()
self.assertRaises(TemplateDoesNotExist, egg_loader.load_template_source, "not-existing.html")
with app_cache._with_app('egg_empty'):
egg_loader = EggLoader()
self.assertRaises(TemplateDoesNotExist, egg_loader.load_template_source, "not-existing.html")
@override_settings(INSTALLED_APPS=['egg_1'])
def test_non_existing(self):
"Template loading fails if the template is not in the egg"
egg_loader = EggLoader()
self.assertRaises(TemplateDoesNotExist, egg_loader.load_template_source, "not-existing.html")
with app_cache._with_app('egg_1'):
egg_loader = EggLoader()
self.assertRaises(TemplateDoesNotExist, egg_loader.load_template_source, "not-existing.html")
@override_settings(INSTALLED_APPS=['egg_1'])
def test_existing(self):
"A template can be loaded from an egg"
egg_loader = EggLoader()
contents, template_name = egg_loader.load_template_source("y.html")
self.assertEqual(contents, "y")
self.assertEqual(template_name, "egg:egg_1:templates/y.html")
with app_cache._with_app('egg_1'):
egg_loader = EggLoader()
contents, template_name = egg_loader.load_template_source("y.html")
self.assertEqual(contents, "y")
self.assertEqual(template_name, "egg:egg_1:templates/y.html")
@override_settings(INSTALLED_APPS=[])
def test_not_installed(self):
"Loading an existent template from an egg not included in INSTALLED_APPS should fail"
"Loading an existent template from an egg not included in any app should fail"
egg_loader = EggLoader()
self.assertRaises(TemplateDoesNotExist, egg_loader.load_template_source, "y.html")

13
tests/template_tests/tests.py
View File

@ -16,6 +16,7 @@ import unittest
import warnings
from django import template
from django.core.apps import app_cache
from django.core import urlresolvers
from django.template import (base as template_base, loader, Context,
RequestContext, Template, TemplateSyntaxError)
@ -1873,24 +1874,26 @@ class TemplateTagLoading(TestCase):
self.assertTrue('ImportError' in e.args[0])
self.assertTrue('Xtemplate' in e.args[0])
@override_settings(INSTALLED_APPS=('tagsegg',))
def test_load_error_egg(self):
ttext = "{% load broken_egg %}"
egg_name = '%s/tagsegg.egg' % self.egg_dir
sys.path.append(egg_name)
self.assertRaises(template.TemplateSyntaxError, template.Template, ttext)
with self.assertRaises(template.TemplateSyntaxError):
with app_cache._with_app('tagsegg'):
template.Template(ttext)
try:
template.Template(ttext)
with app_cache._with_app('tagsegg'):
template.Template(ttext)
except template.TemplateSyntaxError as e:
self.assertTrue('ImportError' in e.args[0])
self.assertTrue('Xtemplate' in e.args[0])
@override_settings(INSTALLED_APPS=('tagsegg',))
def test_load_working_egg(self):
ttext = "{% load working_egg %}"
egg_name = '%s/tagsegg.egg' % self.egg_dir
sys.path.append(egg_name)
template.Template(ttext)
with app_cache._with_app('tagsegg'):
template.Template(ttext)
class RequestContextTests(unittest.TestCase):

9
tests/utils_tests/test_module_loading.py
View File

@ -5,9 +5,9 @@ import sys
import unittest
from zipimport import zipimporter
from django.core.apps import app_cache
from django.core.exceptions import ImproperlyConfigured
from django.test import SimpleTestCase
from django.test.utils import override_settings
from django.utils import six
from django.utils.module_loading import autodiscover_modules, import_by_path, module_has_submodule
from django.utils._os import upath
@ -135,9 +135,14 @@ class ModuleImportTestCase(unittest.TestCase):
'Should have more than the calling frame in the traceback.')
@override_settings(INSTALLED_APPS=('utils_tests.test_module',))
class AutodiscoverModulesTestCase(SimpleTestCase):
def setUp(self):
self._with_test_module = app_cache._begin_with_app('utils_tests.test_module')
def tearDown(self):
app_cache._end_with_app(self._with_test_module)
def test_autodiscover_modules_found(self):
autodiscover_modules('good_module')

16
tests/view_tests/tests/test_i18n.py
View File

@ -5,6 +5,7 @@ from os import path
import unittest
from django.conf import settings
from django.core.apps import app_cache
from django.core.urlresolvers import reverse
from django.test import LiveServerTestCase, TestCase
from django.test.utils import override_settings
@ -115,9 +116,8 @@ class JsI18NTests(TestCase):
available. The Javascript i18n view must return a NON empty language catalog
with the proper English translations. See #13726 for more details.
"""
extended_apps = list(settings.INSTALLED_APPS) + ['view_tests.app0']
with self.settings(LANGUAGE_CODE='fr', INSTALLED_APPS=extended_apps):
with override('en-us'):
with app_cache._with_app('view_tests.app0'):
with self.settings(LANGUAGE_CODE='fr'), override('en-us'):
response = self.client.get('/views/jsi18n_english_translation/')
self.assertContains(response, javascript_quote('this app0 string is to be translated'))
@ -144,9 +144,8 @@ class JsI18NTestsMultiPackage(TestCase):
translations of multiple Python packages is requested. See #13388,
#3594 and #13514 for more details.
"""
extended_apps = list(settings.INSTALLED_APPS) + ['view_tests.app1', 'view_tests.app2']
with self.settings(LANGUAGE_CODE='en-us', INSTALLED_APPS=extended_apps):
with override('fr'):
with app_cache._with_app('view_tests.app1'), app_cache._with_app('view_tests.app2'):
with self.settings(LANGUAGE_CODE='en-us'), override('fr'):
response = self.client.get('/views/jsi18n_multi_packages1/')
self.assertContains(response, javascript_quote('il faut traduire cette chaîne de caractères de app1'))
@ -155,9 +154,8 @@ class JsI18NTestsMultiPackage(TestCase):
Similar to above but with neither default or requested language being
English.
"""
extended_apps = list(settings.INSTALLED_APPS) + ['view_tests.app3', 'view_tests.app4']
with self.settings(LANGUAGE_CODE='fr', INSTALLED_APPS=extended_apps):
with override('es-ar'):
with app_cache._with_app('view_tests.app3'), app_cache._with_app('view_tests.app4'):
with self.settings(LANGUAGE_CODE='fr'), override('es-ar'):
response = self.client.get('/views/jsi18n_multi_packages2/')
self.assertContains(response, javascript_quote('este texto de app3 debe ser traducido'))