def test_backend_names_must_be_unique(self):
msg = (
"Template engine aliases aren't unique, duplicates: django. Set "
"a unique NAME for each engine in settings.TEMPLATES."
)
with self.assertRaisesMessage(ImproperlyConfigured, msg):
engines.all()
def test_backend_import_error(self):
"""
Failing to import a backend keeps raising the original import error
(#24265).
"""
with self.assertRaisesRegex(ImportError, "No module named '?raise"):
engines.all()
with self.assertRaisesRegex(ImportError, "No module named '?raise"):
engines.all()
def test_backend_import_error(self):
"""
Failing to import a backend keeps raising the original import error.
Regression test for #24265.
"""
with self.assertRaises(ImportError):
engines.all()
with self.assertRaises(ImportError):
engines.all()
def test_backend_improperly_configured(self):
"""
Failing to initialize a backend keeps raising the original exception
(#24265).
"""
msg = 'app_dirs must not be set when loaders is defined.'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
engines.all()
with self.assertRaisesMessage(ImproperlyConfigured, msg):
engines.all()
def test_backend_improperly_configured(self):
"""
Failing to initialize a backend keeps raising the original exception.
Regression test for #24265.
"""
with self.assertRaises(ImproperlyConfigured):
engines.all()
with self.assertRaises(ImproperlyConfigured):
engines.all()
def test_django_session_csrf(self):
"""test that we're correctly using session CSRF tokens
(as opposed to cookies) for all template engines"""
import session_csrf
import django.template.context_processors
for engine in engines.all():
# ensure that session_csrf comes after django.template...
processors = engine.engine.template_context_processors
self.assertEqual(
processors.count(django.template.context_processors.csrf),
1)
self.assertEqual(
processors.count(session_csrf.context_processor),
1)
self.assertLess(
processors.index(django.template.context_processors.csrf),
processors.index(session_csrf.context_processor),
msg='sessions_csrf needs to be after django default')
self.assertIn(
'session_csrf.CsrfMiddleware',
settings.MIDDLEWARE_CLASSES)
self.assertNotIn(
'django.middleware.csrf.CsrfViewMiddleware',
settings.MIDDLEWARE_CLASSES)
self.assertIn('session_csrf', settings.INSTALLED_APPS)
def get_default():
"""
When only one DjangoTemplates backend is configured, returns it.
Raises ImproperlyConfigured otherwise.
This is required for preserving historical APIs that rely on a
globally available, implicitly configured engine such as:
>>> from django.template import Context, Template
>>> template = Template("Hello {{ name }}!")
>>> context = Context({'name': "world"})
>>> template.render(context)
'Hello world!'
"""
# Since Engine is imported in django.template and since
# DjangoTemplates is a wrapper around this Engine class,
# local imports are required to avoid import loops.
from django.template import engines
from django.template.backends.django import DjangoTemplates
django_engines = [engine for engine in engines.all()
if isinstance(engine, DjangoTemplates)]
if len(django_engines) == 1:
# Unwrap the Engine instance inside DjangoTemplates
return django_engines[0].engine
elif len(django_engines) == 0:
raise ImproperlyConfigured(
"No DjangoTemplates backend is configured.")
else:
raise ImproperlyConfigured(
"Several DjangoTemplates backends are configured. "
"You must select one explicitly.")
def test_clear_template_caches(self):
"""Testing clear_template_caches"""
# Load a template to populate the cache.
get_template('avatars/avatar.html')
if engines is not None:
# Django >= 1.8
template_loader = engines.all()[0].engine.template_loaders[0]
else:
# Django >= 1.6, <= 1.7
#
# We need to import this here in order to get the latest copy
# of this variable.
from django.template.loader import template_source_loaders
template_loader = template_source_loaders[0]
self.assertTrue(isinstance(template_loader, CachedLoader))
if hasattr(template_loader, 'get_template'):
self.assertNotEqual(template_loader.get_template_cache, {})
else:
self.assertNotEqual(template_loader.template_cache, {})
clear_template_caches()
if hasattr(template_loader, 'get_template'):
self.assertEqual(template_loader.get_template_cache, {})
else:
self.assertEqual(template_loader.template_cache, {})
def get_loaders(self):
template_source_loaders = []
for e in engines.all():
if hasattr(e, 'engine'):
template_source_loaders.extend(
e.engine.get_template_loaders(e.engine.loaders))
loaders = []
# If template loader is CachedTemplateLoader, return the loaders
# that it wraps around. So if we have
# TEMPLATE_LOADERS = (
# ('django.template.loaders.cached.Loader', (
# 'django.template.loaders.filesystem.Loader',
# 'django.template.loaders.app_directories.Loader',
# )),
# )
# The loaders will return django.template.loaders.filesystem.Loader
# and django.template.loaders.app_directories.Loader
# The cached Loader and similar ones include a 'loaders' attribute
# so we look for that.
for loader in template_source_loaders:
if hasattr(loader, 'loaders'):
loaders.extend(loader.loaders)
else:
loaders.append(loader)
return loaders
def clear_template_caches():
"""Clear the templates caches.
This clears any caches for template parse trees and related state, forcing
templates to be re-parsed and re-rendered.
"""
if engines is not None:
# Django >= 1.8
template_loaders = []
for engine in engines.all():
template_loaders += engine.engine.template_loaders
else:
# Django >= 1.6, <= 1.7
#
# We need to import this here in order to get the latest copy
# of this variable.
from django.template.loader import template_source_loaders
template_loaders = template_source_loaders or []
for template_loader in template_loaders:
try:
template_loader.reset()
except AttributeError:
pass
def get_loaders(self):
from django.template import engines
template_source_loaders = []
for e in engines.all():
template_source_loaders.extend(e.engine.get_template_loaders(e.engine.loaders))
loaders = []
for loader in template_source_loaders:
if hasattr(loader, 'loaders'):
loaders.extend(loader.loaders)
else:
loaders.append(loader)
return loaders
def include_file_server(root, namespace, wrapper=lambda func: func):
"""
Create list of urls patterns to be included.
:param namespace: Instance namespace for the URL entries being included.
:param root: The root of the files to host.
"""
engines.all()[0].dirs.append(root)
urlpatterns = []
urlpatterns.append(url(
r'^/(?P<item>.+)$',
lambda request, item: wrapper(
views.show)(request, root, item), name="show"))
urlpatterns.append(url(
r'^$',
lambda request: wrapper(
views.show)(request, root), name="show"))
# (urls, app_name, namespace)
return (urlpatterns, 'file_server', namespace)
def set_body_template(self, template_name=None, context=None, template_code=None, request=None, using=None):
"""
Render template using django template
"""
dictionary = context if context is not None else {}
dictionary['emailmultirelated_object'] = self
if template_name:
return self.make_body(render_to_string(template_name, dictionary, request=request, using=using))
elif template_code:
engines_list = engines.all() if using is None else [engines[using]]
for engine in engines_list:
template = engine.from_string(template_code)
if template:
return self.make_body(template.render(dictionary, request))
raise Exception('No template name provided')
def _clear_template_cache(self):
"""Clears the Django template caches."""
if template_source_loaders:
# We're running in Django <=1.7.
template_loaders = template_source_loaders
elif template_engines:
template_loaders = []
for engine in template_engines.all():
template_loaders += engine.engine.template_loaders
else:
# It's valid for there to not be any loaders.
template_loaders = []
for template_loader in template_loaders:
if hasattr(template_loader, 'reset'):
template_loader.reset()
def _clear_template_cache(self):
"""Clears the Django template caches."""
if template_source_loaders:
# We're running in Django <=1.7.
template_loaders = template_source_loaders
elif template_engines:
template_loaders = []
for engine in template_engines.all():
template_loaders += engine.engine.template_loaders
else:
# It's valid for there to not be any loaders.
template_loaders = []
for template_loader in template_loaders:
if hasattr(template_loader, 'reset'):
template_loader.reset()
def get_template_directories():
# Iterate through each template backend and find
# any template_loader that has a 'get_dirs' method.
# Collect the directories, filtering out Django templates.
items = set()
for backend in engines.all():
if not isinstance(backend, DjangoTemplates):
continue
items.update(backend.engine.dirs)
for loader in backend.engine.template_loaders:
if not hasattr(loader, 'get_dirs'):
continue
items.update(directory for directory in loader.get_dirs()
if not is_django_path(directory))
return items
def get_loaders(self):
if django.VERSION < (1, 8):
from django.template.base import TemplateDoesNotExist as DjangoTemplateDoesNotExist
from django.template.loader import template_source_loaders
if template_source_loaders is None:
try:
from django.template.loader import (
find_template as finder_func)
except ImportError:
from django.template.loader import (
find_template_source as finder_func) # noqa
try:
# Force django to calculate template_source_loaders from
# TEMPLATE_LOADERS settings, by asking to find a dummy template
source, name = finder_func('test')
except DjangoTemplateDoesNotExist:
pass
# Reload template_source_loaders now that it has been calculated ;
# it should contain the list of valid, instanciated template loaders
# to use.
from django.template.loader import template_source_loaders
else:
from django.template import engines
template_source_loaders = []
for e in engines.all():
template_source_loaders.extend(e.engine.get_template_loaders(e.engine.loaders))
loaders = []
# If template loader is CachedTemplateLoader, return the loaders
# that it wraps around. So if we have
# TEMPLATE_LOADERS = (
# ('django.template.loaders.cached.Loader', (
# 'django.template.loaders.filesystem.Loader',
# 'django.template.loaders.app_directories.Loader',
# )),
# )
# The loaders will return django.template.loaders.filesystem.Loader
# and django.template.loaders.app_directories.Loader
# The cached Loader and similar ones include a 'loaders' attribute
# so we look for that.
for loader in template_source_loaders:
if hasattr(loader, 'loaders'):
loaders.extend(loader.loaders)
else:
loaders.append(loader)
return loaders
def get_loaders(self):
if django.VERSION < (1, 8):
from django.template.base import TemplateDoesNotExist as DjangoTemplateDoesNotExist
from django.template.loader import template_source_loaders
if template_source_loaders is None:
try:
from django.template.loader import (
find_template as finder_func)
except ImportError:
from django.template.loader import (
find_template_source as finder_func) # noqa
try:
# Force django to calculate template_source_loaders from
# TEMPLATE_LOADERS settings, by asking to find a dummy template
source, name = finder_func('test')
except DjangoTemplateDoesNotExist:
pass
# Reload template_source_loaders now that it has been calculated ;
# it should contain the list of valid, instanciated template loaders
# to use.
from django.template.loader import template_source_loaders
else:
from django.template import engines
template_source_loaders = []
for e in engines.all():
template_source_loaders.extend(e.engine.get_template_loaders(e.engine.loaders))
loaders = []
# If template loader is CachedTemplateLoader, return the loaders
# that it wraps around. So if we have
# TEMPLATE_LOADERS = (
# ('django.template.loaders.cached.Loader', (
# 'django.template.loaders.filesystem.Loader',
# 'django.template.loaders.app_directories.Loader',
# )),
# )
# The loaders will return django.template.loaders.filesystem.Loader
# and django.template.loaders.app_directories.Loader
# The cached Loader and similar ones include a 'loaders' attribute
# so we look for that.
for loader in template_source_loaders:
if hasattr(loader, 'loaders'):
loaders.extend(loader.loaders)
else:
loaders.append(loader)
return loaders
def template_from_string(template_string, using=None):
"""
Convert a string into a template object,
using a given template engine or using the default backends
from settings.TEMPLATES if no engine was specified.
"""
# This function is based on django.template.loader.get_template,
# but uses Engine.from_string instead of Engine.get_template.
# https://stackoverflow.com/a/46756430/9625282
chain = []
engine_list = engines.all() if using is None else [engines[using]]
for engine in engine_list:
try:
return engine.from_string(template_string)
except TemplateSyntaxError as e:
chain.append(str(e))
raise TemplateSyntaxError(template_string + ','.join(chain))
def test_django_session_csrf(self):
"""test that we're correctly using session CSRF tokens
(as opposed to cookies) for all template engines"""
import session_csrf
import django.template.context_processors
for engine in engines.all():
# ensure that session_csrf comes after django.template...
processors = engine.engine.template_context_processors
eq_(processors.count(django.template.context_processors.csrf), 1)
eq_(processors.count(session_csrf.context_processor), 1)
ok_(processors.index(django.template.context_processors.csrf) <
processors.index(session_csrf.context_processor),
msg='sessions_csrf needs to be after django default')
ok_('session_csrf.CsrfMiddleware' in settings.MIDDLEWARE_CLASSES)
ok_('django.middleware.csrf.CsrfViewMiddleware'
not in settings.MIDDLEWARE_CLASSES)
ok_('session_csrf' in settings.INSTALLED_APPS)
# funfactory initiates an important monkeypatch which we need
ok_('funfactory' in settings.INSTALLED_APPS)
login_url = reverse('user-json')
cookies_before = self.client.cookies
assert not self.client.cookies
response = self.client.get(login_url)
ok_(self.client.cookies['anoncsrf'])
admin = User.objects.create(
username='******',
is_staff=True,
is_superuser=True,
)
admin.set_password('secret')
admin.save()
# any page with a POST form will do
url = reverse('privacy:add')
response = self.client.get(url)
ok_('href="/#login"' in response.content)
assert self.client.login(username='******', password='******')
response = self.client.get(url)
ok_(re.findall('name=[\'"]csrfmiddlewaretoken[\'"]', response.content))
def test_django_session_csrf(self):
"""test that we're correctly using session CSRF tokens
(as opposed to cookies) for all template engines"""
import session_csrf
import django.template.context_processors
for engine in engines.all():
# ensure that session_csrf comes after django.template...
processors = engine.engine.template_context_processors
self.assertEqual(
processors.count(django.template.context_processors.csrf), 1)
self.assertEqual(processors.count(session_csrf.context_processor),
1)
self.assertLess(
processors.index(django.template.context_processors.csrf),
processors.index(session_csrf.context_processor),
msg='sessions_csrf needs to be after django default')
self.assertIn('session_csrf.CsrfMiddleware', settings.MIDDLEWARE)
self.assertNotIn('django.middleware.csrf.CsrfViewMiddleware',
settings.MIDDLEWARE)
self.assertIn('session_csrf', settings.INSTALLED_APPS)
def get_default():
"""
Return the first DjangoTemplates backend that's configured, or raise
ImproperlyConfigured if none are configured.
This is required for preserving historical APIs that rely on a
globally available, implicitly configured engine such as:
>>> from django.template import Context, Template
>>> template = Template("Hello {{ name }}!")
>>> context = Context({'name': "world"})
>>> template.render(context)
'Hello world!'
"""
# Since Engine is imported in django.template and since
# DjangoTemplates is a wrapper around this Engine class,
# local imports are required to avoid import loops.
from django.template import engines
from django.template.backends.django import DjangoTemplates
for engine in engines.all():
if isinstance(engine, DjangoTemplates):
return engine.engine
raise ImproperlyConfigured('No DjangoTemplates backend is configured.')
def get_default():
"""
Return the first DjangoTemplates backend that's configured, or raise
ImproperlyConfigured if none are configured.
This is required for preserving historical APIs that rely on a
globally available, implicitly configured engine such as:
>>> from django import Context, Template
>>> template = Template("Hello {{ name }}!")
>>> context = Context({'name': "world"})
>>> template.render(context)
'Hello world!'
"""
# Since Engine is imported in django.template and since
# DjangoTemplates is a wrapper around this Engine class,
# local imports are required to avoid import loops.
from django.template import engines
from django.template.backends.django import DjangoTemplates
for engine in engines.all():
if isinstance(engine, DjangoTemplates):
return engine.engine
raise ImproperlyConfigured('No DjangoTemplates backend is configured.')
def get_default():
"""
When only one django-jinja backend is configured, returns it.
Raises ImproperlyConfigured otherwise.
This is required for finding the match extension where the
developer does not specify a template_engine on a
TemplateResponseMixin subclass.
"""
from django.template import engines
jinja_engines = [engine for engine in engines.all()
if isinstance(engine, Jinja2)]
if len(jinja_engines) == 1:
# Unwrap the Jinja2 engine instance.
return jinja_engines[0]
elif len(jinja_engines) == 0:
raise ImproperlyConfigured(
"No Jinja2 backend is configured.")
else:
raise ImproperlyConfigured(
"Several Jinja2 backends are configured. "
"You must select one explicitly.")
def get_default():
"""
When only one django-jinja backend is configured, returns it.
Raises ImproperlyConfigured otherwise.
This is required for finding the match extension where the
developer does not specify a template_engine on a
TemplateResponseMixin subclass.
"""
from django.template import engines
jinja_engines = [
engine for engine in engines.all() if isinstance(engine, Jinja2)
]
if len(jinja_engines) == 1:
# Unwrap the Jinja2 engine instance.
return jinja_engines[0]
elif len(jinja_engines) == 0:
raise ImproperlyConfigured("No Jinja2 backend is configured.")
else:
raise ImproperlyConfigured(
"Several Jinja2 backends are configured. "
"You must select one explicitly.")
def test_backend_names_must_be_unique(self):
with self.assertRaises(ImproperlyConfigured):
engines.all()
def check_dependencies(**kwargs):
"""
Check that the admin's dependencies are correctly installed.
"""
if not apps.is_installed('django.contrib.admin'):
return []
errors = []
app_dependencies = (
('django.contrib.contenttypes', 401),
('django.contrib.auth', 405),
('django.contrib.messages', 406),
('django.contrib.sessions', 407),
)
for app_name, error_code in app_dependencies:
if not apps.is_installed(app_name):
errors.append(checks.Error(
"'%s' must be in INSTALLED_APPS in order to use the admin "
"application." % app_name,
id='admin.E%d' % error_code,
))
for engine in engines.all():
if isinstance(engine, DjangoTemplates):
django_templates_instance = engine.engine
break
else:
django_templates_instance = None
if not django_templates_instance:
errors.append(checks.Error(
"A 'django.template.backends.django.DjangoTemplates' instance "
"must be configured in TEMPLATES in order to use the admin "
"application.",
id='admin.E403',
))
else:
if ('django.contrib.auth.context_processors.auth'
not in django_templates_instance.context_processors and
_contains_subclass('django.contrib.auth.backends.ModelBackend', settings.AUTHENTICATION_BACKENDS)):
errors.append(checks.Error(
"'django.contrib.auth.context_processors.auth' must be "
"enabled in DjangoTemplates (TEMPLATES) if using the default "
"auth backend in order to use the admin application.",
id='admin.E402',
))
if ('django.contrib.messages.context_processors.messages'
not in django_templates_instance.context_processors):
errors.append(checks.Error(
"'django.contrib.messages.context_processors.messages' must "
"be enabled in DjangoTemplates (TEMPLATES) in order to use "
"the admin application.",
id='admin.E404',
))
if not _contains_subclass('django.contrib.auth.middleware.AuthenticationMiddleware', settings.MIDDLEWARE):
errors.append(checks.Error(
"'django.contrib.auth.middleware.AuthenticationMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
id='admin.E408',
))
if not _contains_subclass('django.contrib.messages.middleware.MessageMiddleware', settings.MIDDLEWARE):
errors.append(checks.Error(
"'django.contrib.messages.middleware.MessageMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
id='admin.E409',
))
return errors
def render_flat_page(self, page):
from django.template import engines
template = engines.all()[0].from_string(page['content'])
return template.render(render_flat_page._view_context, self.request)
def COMPRESS_JINJA2_GET_ENVIRONMENT():
from django.template import engines
return engines.all()[0].env
def check_dependencies(**kwargs):
"""
Check that the admin's dependencies are correctly installed.
"""
if not apps.is_installed("django.contrib.admin"):
return []
errors = []
app_dependencies = (
("django.contrib.contenttypes", 401),
("django.contrib.auth", 405),
("django.contrib.messages", 406),
)
for app_name, error_code in app_dependencies:
if not apps.is_installed(app_name):
errors.append(
checks.Error(
"'%s' must be in INSTALLED_APPS in order to use the admin "
"application." % app_name,
id="admin.E%d" % error_code,
))
for engine in engines.all():
if isinstance(engine, DjangoTemplates):
django_templates_instance = engine.engine
break
else:
django_templates_instance = None
if not django_templates_instance:
errors.append(
checks.Error(
"A 'django.template.backends.django.DjangoTemplates' instance "
"must be configured in TEMPLATES in order to use the admin "
"application.",
id="admin.E403",
))
else:
if ("django.contrib.auth.context_processors.auth"
not in django_templates_instance.context_processors
and _contains_subclass(
"django.contrib.auth.backends.ModelBackend",
settings.AUTHENTICATION_BACKENDS,
)):
errors.append(
checks.Error(
"'django.contrib.auth.context_processors.auth' must be "
"enabled in DjangoTemplates (TEMPLATES) if using the default "
"auth backend in order to use the admin application.",
id="admin.E402",
))
if ("django.contrib.messages.context_processors.messages"
not in django_templates_instance.context_processors):
errors.append(
checks.Error(
"'django.contrib.messages.context_processors.messages' must "
"be enabled in DjangoTemplates (TEMPLATES) in order to use "
"the admin application.",
id="admin.E404",
))
if not _contains_subclass(
"django.contrib.auth.middleware.AuthenticationMiddleware",
settings.MIDDLEWARE):
errors.append(
checks.Error(
"'django.contrib.auth.middleware.AuthenticationMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
id="admin.E408",
))
if not _contains_subclass(
"django.contrib.messages.middleware.MessageMiddleware",
settings.MIDDLEWARE):
errors.append(
checks.Error(
"'django.contrib.messages.middleware.MessageMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
id="admin.E409",
))
if not _contains_subclass(
"django.contrib.sessions.middleware.SessionMiddleware",
settings.MIDDLEWARE):
errors.append(
checks.Error(
"'django.contrib.sessions.middleware.SessionMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
id="admin.E410",
))
return errors
def template_from_string(value):
"""Create an engine-specific template based on provided string.
"""
return engines.all()[0].from_string(value)
def check_dependencies(**kwargs):
"""
Check that the admin's dependencies are correctly installed.
"""
from django.contrib.admin.sites import all_sites
if not apps.is_installed('django.contrib.admin'):
return []
errors = []
app_dependencies = (
('django.contrib.contenttypes', 401),
('django.contrib.auth', 405),
('django.contrib.messages', 406),
)
for app_name, error_code in app_dependencies:
if not apps.is_installed(app_name):
errors.append(checks.Error(
"'%s' must be in INSTALLED_APPS in order to use the admin "
"application." % app_name,
id='admin.E%d' % error_code,
))
for engine in engines.all():
if isinstance(engine, DjangoTemplates):
django_templates_instance = engine.engine
break
else:
django_templates_instance = None
if not django_templates_instance:
errors.append(checks.Error(
"A 'django.template.backends.django.DjangoTemplates' instance "
"must be configured in TEMPLATES in order to use the admin "
"application.",
id='admin.E403',
))
else:
if ('django.contrib.auth.context_processors.auth'
not in django_templates_instance.context_processors and
_contains_subclass('django.contrib.auth.backends.ModelBackend', settings.AUTHENTICATION_BACKENDS)):
errors.append(checks.Error(
"'django.contrib.auth.context_processors.auth' must be "
"enabled in DjangoTemplates (TEMPLATES) if using the default "
"auth backend in order to use the admin application.",
id='admin.E402',
))
if ('django.contrib.messages.context_processors.messages'
not in django_templates_instance.context_processors):
errors.append(checks.Error(
"'django.contrib.messages.context_processors.messages' must "
"be enabled in DjangoTemplates (TEMPLATES) in order to use "
"the admin application.",
id='admin.E404',
))
sidebar_enabled = any(site.enable_nav_sidebar for site in all_sites)
if (sidebar_enabled and 'django.template.context_processors.request'
not in django_templates_instance.context_processors):
errors.append(checks.Warning(
"'django.template.context_processors.request' must be enabled "
"in DjangoTemplates (TEMPLATES) in order to use the admin "
"navigation sidebar.",
id='admin.W411',
))
if not _contains_subclass('django.contrib.auth.middleware.AuthenticationMiddleware', settings.MIDDLEWARE):
errors.append(checks.Error(
"'django.contrib.auth.middleware.AuthenticationMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
id='admin.E408',
))
if not _contains_subclass('django.contrib.messages.middleware.MessageMiddleware', settings.MIDDLEWARE):
errors.append(checks.Error(
"'django.contrib.messages.middleware.MessageMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
id='admin.E409',
))
if not _contains_subclass('django.contrib.sessions.middleware.SessionMiddleware', settings.MIDDLEWARE):
errors.append(checks.Error(
"'django.contrib.sessions.middleware.SessionMiddleware' must "
"be in MIDDLEWARE in order to use the admin application.",
hint=(
"Insert "
"'django.contrib.sessions.middleware.SessionMiddleware' "
"before "
"'django.contrib.auth.middleware.AuthenticationMiddleware'."
),
id='admin.E410',
))
return errors
def reset_loaders():
for backend in engines.all():
if not isinstance(backend, DjangoTemplates):
continue
for loader in backend.engine.template_loaders:
loader.reset()
def test_backend_names_must_be_unique(self):
with self.assertRaises(ImproperlyConfigured):
engines.all()
def __init__(self, *args, **kwargs):
super(TemplateAdminTests, self).__init__(*args, **kwargs)
# get template loader instance
self.loader = engines.all()[0].engine.template_loaders[0]
def template_from_string(value):
"""Create an engine-specific template based on provided string.
"""
return engines.all()[0].from_string(value)
def test_backend_names_must_be_unique(self):
msg = (
"Template engine aliases aren't unique, duplicates: django. Set "
"a unique NAME for each engine in settings.TEMPLATES.")
with self.assertRaisesMessage(ImproperlyConfigured, msg):
engines.all()
def get_traceback_data(self):
"""Return a dictionary containing traceback information."""
if self.exc_type and issubclass(self.exc_type, TemplateDoesNotExist):
self.template_does_not_exist = True
postmortem = []
# TODO: add support for multiple template engines (#24120).
# TemplateDoesNotExist should carry all the information, including
# the backend, rather than looping through engines.all.
for engine in engines.all():
if hasattr(engine, 'engine'):
e = engine.engine
else:
e = engine
postmortem.append(dict(
engine=engine,
tried=[
entry for entry in self.exc_value.tried if
entry[0].loader.engine == e
],
))
self.postmortem = postmortem
frames = self.get_traceback_frames()
for i, frame in enumerate(frames):
if 'vars' in frame:
frame_vars = []
for k, v in frame['vars']:
v = pprint(v)
# The force_escape filter assume unicode, make sure that works
if isinstance(v, six.binary_type):
v = v.decode('utf-8', 'replace') # don't choke on non-utf-8 input
# Trim large blobs of data
if len(v) > 4096:
v = '%s... <trimmed %d bytes string>' % (v[0:4096], len(v))
frame_vars.append((k, force_escape(v)))
frame['vars'] = frame_vars
frames[i] = frame
unicode_hint = ''
if self.exc_type and issubclass(self.exc_type, UnicodeError):
start = getattr(self.exc_value, 'start', None)
end = getattr(self.exc_value, 'end', None)
if start is not None and end is not None:
unicode_str = self.exc_value.args[1]
unicode_hint = smart_text(
unicode_str[max(start - 5, 0):min(end + 5, len(unicode_str))],
'ascii', errors='replace'
)
from django import get_version
c = {
'is_email': self.is_email,
'unicode_hint': unicode_hint,
'frames': frames,
'request': self.request,
'filtered_POST': self.filter.get_post_parameters(self.request),
'settings': get_safe_settings(),
'sys_executable': sys.executable,
'sys_version_info': '%d.%d.%d' % sys.version_info[0:3],
'server_time': timezone.now(),
'django_version_info': get_version(),
'sys_path': sys.path,
'template_info': self.template_info,
'template_does_not_exist': self.template_does_not_exist,
'postmortem': self.postmortem,
}
# Check whether exception info is available
if self.exc_type:
c['exception_type'] = self.exc_type.__name__
if self.exc_value:
c['exception_value'] = smart_text(self.exc_value, errors='replace')
if frames:
c['lastframe'] = frames[-1]
return c
def COMPRESS_JINJA2_GET_ENVIRONMENT(): from django.template import engines return engines.all()[0].env
# -*- coding: utf-8 -*-
from collections import namedtuple
from django.conf import settings
from django.template.base import VariableNode, Variable, Template
from django.template.loader import get_template
from django.template.loader_tags import BlockNode, ExtendsNode
try:
from django.template import engines
except ImportError:
engines = None
if engines is not None:
FAKE_CONTEXT = namedtuple('Context', 'engine')(engines.all()[0])
else:
FAKE_CONTEXT = {}
def _get_nodelist(tpl):
if isinstance(tpl, Template):
return tpl.nodelist
else:
return tpl.template.nodelist
def is_variable_extend_node(node):
if hasattr(node, 'parent_name_expr') and node.parent_name_expr:
return True
if hasattr(node, 'parent_name') and hasattr(node.parent_name, 'filters'):
if (node.parent_name.filters or
def get_traceback_data(self):
"""Return a dictionary containing traceback information."""
if self.exc_type and issubclass(self.exc_type, TemplateDoesNotExist):
self.template_does_not_exist = True
postmortem = []
# TODO: add support for multiple template engines (#24120).
# TemplateDoesNotExist should carry all the information, including
# the backend, rather than looping through engines.all.
for engine in engines.all():
if hasattr(engine, 'engine'):
e = engine.engine
else:
e = engine
postmortem.append(
dict(
engine=engine,
tried=[
entry for entry in self.exc_value.tried
if entry[0].loader.engine == e
],
))
self.postmortem = postmortem
frames = self.get_traceback_frames()
for i, frame in enumerate(frames):
if 'vars' in frame:
frame_vars = []
for k, v in frame['vars']:
v = pprint(v)
# The force_escape filter assume unicode, make sure that works
if isinstance(v, six.binary_type):
v = v.decode(
'utf-8',
'replace') # don't choke on non-utf-8 input
# Trim large blobs of data
if len(v) > 4096:
v = '%s... <trimmed %d bytes string>' % (v[0:4096],
len(v))
frame_vars.append((k, force_escape(v)))
frame['vars'] = frame_vars
frames[i] = frame
unicode_hint = ''
if self.exc_type and issubclass(self.exc_type, UnicodeError):
start = getattr(self.exc_value, 'start', None)
end = getattr(self.exc_value, 'end', None)
if start is not None and end is not None:
unicode_str = self.exc_value.args[1]
unicode_hint = smart_text(
unicode_str[max(start - 5, 0):min(end +
5, len(unicode_str))],
'ascii',
errors='replace')
from django import get_version
c = {
'is_email': self.is_email,
'unicode_hint': unicode_hint,
'frames': frames,
'request': self.request,
'filtered_POST': self.filter.get_post_parameters(self.request),
'settings': get_safe_settings(),
'sys_executable': sys.executable,
'sys_version_info': '%d.%d.%d' % sys.version_info[0:3],
'server_time': timezone.now(),
'django_version_info': get_version(),
'sys_path': sys.path,
'template_info': self.template_info,
'template_does_not_exist': self.template_does_not_exist,
'postmortem': self.postmortem,
}
# Check whether exception info is available
if self.exc_type:
c['exception_type'] = self.exc_type.__name__
if self.exc_value:
c['exception_value'] = smart_text(self.exc_value, errors='replace')
if frames:
c['lastframe'] = frames[-1]
return c
import warnings
# -*- coding: utf-8 -*-
from collections import namedtuple
from django.conf import settings
from django.template.base import VariableNode, Variable, Template
from django.template.loader import get_template
from django.template.loader_tags import BlockNode, ExtendsNode
try:
from django.template import engines
except ImportError:
engines = None
if engines is not None:
_FAKE_TEMPLATE = (namedtuple('Template', 'engine')(engines.all()[0]))
FAKE_CONTEXT = namedtuple('Context', 'template')(_FAKE_TEMPLATE)
else:
FAKE_CONTEXT = {}
def _get_nodelist(tpl):
if isinstance(tpl, Template):
return tpl.nodelist
else:
return tpl.template.nodelist
def is_variable_extend_node(node):
if hasattr(node, 'parent_name_expr') and node.parent_name_expr:
return True
if hasattr(node, 'parent_name') and hasattr(node.parent_name, 'filters'):
def get_loaders(self):
return [
e.engine.lookup for e in engines.all()
if e.__class__.__name__ == 'MakoBackend'
]
def render_flat_page(self, page):
if not page:
return ''
from django.template import engines
template = engines.all()[0].from_string(page['content'])
return template.render(render_flat_page._view_context, self.request)
