#31865: Missing variable in admin template
---------------------------------------------+------------------------
               Reporter:  Christian Ullrich  |          Owner:  nobody
                   Type:  Bug                |         Status:  new
              Component:  contrib.admin      |        Version:  3.1
               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                  |
---------------------------------------------+------------------------
 The `admin/nav_sidebar.html` template appears to be missing an assignment
 to `show_changelinks` where it includes `app_list.html`:

 {{{
 {% include 'admin/app_list.html' with app_list=available_apps %}
 }}}

 This leads to megabytes of log spam for every admin page visited with the
 sidebar on:

 {{{
 2020-08-07 09:06:49,882 [DEBUG   ] (django.template) Exception while
 resolving variable 'show_changelinks' in template
 'admin/change_list.html'.
 Traceback (most recent call last):
   File "[python]\lib\site-packages\django\template\base.py", line 829, in
 _resolve_lookup
     current = current[bit]
   File "[python]\lib\site-packages\django\template\context.py", line 83,
 in __getitem__
     raise KeyError(key)
 KeyError: 'show_changelinks'

 During handling of the above exception, another exception occurred:

 Traceback (most recent call last):
   File "[python]\lib\site-packages\django\template\base.py", line 835, in
 _resolve_lookup
     if isinstance(current, BaseContext) and getattr(type(current), bit):
 AttributeError: type object 'RequestContext' has no attribute
 'show_changelinks'

 During handling of the above exception, another exception occurred:

 Traceback (most recent call last):
   File "[python]\lib\site-packages\django\template\base.py", line 843, in
 _resolve_lookup
     current = current[int(bit)]
 ValueError: invalid literal for int() with base 10: 'show_changelinks'

 During handling of the above exception, another exception occurred:

 Traceback (most recent call last):
   File "[python]\lib\site-packages\django\template\base.py", line 848, in
 _resolve_lookup
     raise VariableDoesNotExist("Failed lookup for key "
 django.template.base.VariableDoesNotExist: Failed lookup for key
 [show_changelinks] in [{'True': True, 'False': False, 'None': None},}}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/31865>
Django <https://code.djangoproject.com/>
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