#31616: Change order of admin.checks.check_dependencies so that admin.E410 comes
before admin.E408
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Reporter: Keryn Knight | Owner: nobody
Type: Cleanup/optimization | Status: new
Component: contrib.admin | Version: 3.0
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Given an empty `MIDDLEWARE` in your project, you try and run the admin.
The system checks framework kicks in, giving you:
{{{
(admin.E408) 'django.contrib.auth.middleware.AuthenticationMiddleware'
must be in MIDDLEWARE in order to use the admin application.
(admin.E409) 'django.contrib.messages.middleware.MessageMiddleware' must
be in MIDDLEWARE in order to use the admin application.
(admin.E410) 'django.contrib.sessions.middleware.SessionMiddleware' must
be in MIDDLEWARE in order to use the admin application.
}}}
You add each of those middlewares to the stack, and run the application:
{{{
File "/path/to/django/contrib/auth/middleware.py", line 23, in
process_request
) % ("_CLASSES" if settings.MIDDLEWARE is None else "")
AssertionError: The Django authentication middleware requires session
middleware to be installed. Edit your MIDDLEWARE setting to insert
'django.contrib.sessions.middleware.SessionMiddleware' before
'django.contrib.auth.middleware.AuthenticationMiddleware'
}}}
Ignoring the fact that it ''should'' be a system check, and it's an
unfortunate side-effect of spanning 2 separate contrib apps that it isn't,
if the order of the errors output was updated, we'd not see this exception
in this specific scenario.
--
Ticket URL: <https://code.djangoproject.com/ticket/31616>
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