#24922: Templates: conflicting settings should emit a system check error
--------------------------------------+------------------------------------
Reporter: sergei-maertens | Owner: nobody
Type: Bug | Status: new
Component: Core (System checks) | Version: master
Severity: Normal | Keywords: templates, system
| check
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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I discovered that specifying the templates settings as following, raises
an error when rendering the template:
{{{#!python
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
'loaders': [
('django.template.loaders.cached.Loader', [
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
]),
],
},
]
}}}
Error:
{{{
Traceback (most recent call last):
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/core/handlers/wsgi.py", line 189, in __call__
response = self.get_response(request)
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/core/handlers/base.py", line 218, in get_response
response = self.handle_uncaught_exception(request, resolver,
sys.exc_info())
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/core/handlers/base.py", line 268, in
handle_uncaught_exception
return callback(request, **param_dict)
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/utils/decorators.py", line 110, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/views/defaults.py", line 42, in server_error
template = loader.get_template(template_name)
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/template/loader.py", line 29, in get_template
engines = _engine_list(using)
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/template/loader.py", line 144, in _engine_list
return engines.all() if using is None else [engines[using]]
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/template/utils.py", line 110, in all
return [self[alias] for alias in self]
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/template/utils.py", line 101, in __getitem__
engine = engine_cls(params)
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/template/backends/django.py", line 24, in __init__
self.engine = Engine(self.dirs, self.app_dirs, **options)
File "/home/modelbrouw/.virtualenvs/staging/lib/python2.7/site-
packages/django/template/engine.py", line 36, in __init__
"app_dirs must not be set when loaders is defined.")
django.core.exceptions.ImproperlyConfigured: app_dirs must not be set when
loaders is defined.
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/24922>
Django <https://code.djangoproject.com/>
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