id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
33955	AttributeError in admindocs ViewDetailView	Greg Kaleka	nobody	"In Django 4.1, the admindocs `ViewDetailView` raises an `AttributeError`. I'm not clear on why `_active` is missing the `local_value` attribute when `_is_callback` is called.

Reproduction steps:

1. Create a new project with Django 4.1
2. Include `django.contrib.admindocs` in your installed apps
3. Add the urls to your urlconf: `path(""admindocs/"", include(""django.contrib.admindocs.urls""))`
4. Go to `localhost:8000/admindocs/views/` and click on any view to go to the `ViewDetailView`

Quick and dirty fix in `django/contrib/admindocs/utils.py`:

{{{
#!div style=""font-size: 80%""
Code highlighting:
  {{{#!python
  def _is_callback(name, urlresolver=None):
      if not hasattr(_active, ""local_value""):
          _active.local_value = _callback_strs
      if urlresolver and not urlresolver._populated:
          register_callback(urlresolver, _active.local_value)
      return name in _active.local_value
  }}}
}}}

and here's the full traceback before the fix:

{{{
Internal Server Error: /admindocs/views/django.contrib.admindocs.views.BaseAdminDocsView/
Traceback (most recent call last):
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/core/handlers/exception.py"", line 55, in inner
    response = get_response(request)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/core/handlers/base.py"", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/views/generic/base.py"", line 103, in view
    return self.dispatch(request, *args, **kwargs)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/utils/decorators.py"", line 46, in _wrapper
    return bound_method(*args, **kwargs)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/contrib/auth/decorators.py"", line 23, in _wrapped_view
    return view_func(request, *args, **kwargs)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/contrib/admindocs/views.py"", line 50, in dispatch
    return super().dispatch(request, *args, **kwargs)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/views/generic/base.py"", line 142, in dispatch
    return handler(request, *args, **kwargs)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/views/generic/base.py"", line 216, in get
    context = self.get_context_data(**kwargs)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/contrib/admindocs/views.py"", line 185, in get_context_data
    view_func = self._get_view_func(view)
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/contrib/admindocs/views.py"", line 169, in _get_view_func
    if _is_callback(view):
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/django/contrib/admindocs/utils.py"", line 258, in _is_callback
    return name in _active.local_value
  File ""/Users/gkaleka/dev/testing/django_41_testfix/.venv/lib/python3.9/site-packages/asgiref/local.py"", line 105, in __getattr__
    raise AttributeError(f""{self!r} object has no attribute {key!r}"")
AttributeError: <asgiref.local.Local object at 0x10a4f7670> object has no attribute 'local_value'
}}}"	Bug	new	contrib.admindocs	4.1	Normal				Unreviewed	1	0	0	0	0	0