#34878: Setting FORM_RENDERER="django.forms.renderers.TemplatesSetting" causes
template autoreload to crash
-------------------------------------------+------------------------
               Reporter:  danjac           |          Owner:  nobody
                   Type:  Uncategorized    |         Status:  new
              Component:  Template system  |        Version:  5.0
               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                |
-------------------------------------------+------------------------
 Running **Python 3.11** and **Django 5.0a1**.

 I have the following settings:

 {{{#!python

 DEBUG = True

 FORM_RENDERER = "django.forms.renderers.TemplatesSetting"

 TEMPLATES = [
     {
         "BACKEND": "django.template.backends.django.DjangoTemplates",
         "DIRS": [BASE_DIR / "templates"],
         "OPTIONS": {
             "debug": True,
             "context_processors": [
                 "django.template.context_processors.debug",
                 "django.template.context_processors.request",
                 "django.contrib.auth.context_processors.auth",
                 "django.template.context_processors.i18n",
                 "django.template.context_processors.media",
                 "django.template.context_processors.static",
                 "django.template.context_processors.tz",
                 "django.contrib.messages.context_processors.messages",
             ],
         },
     }
 ]

 }}}

 This causes the development server to crash whenever a template is saved:

 {{{
   File "python-path/lib/python3.11/site-
 packages/django/template/autoreload.py", line 60, in template_changed
     reset_loaders()
   File "python-path/lib/python3.11/site-
 packages/django/template/autoreload.py", line 42, in reset_loaders
     backend = get_default_renderer().engine
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 AttributeError: 'TemplatesSetting' object has no attribute 'engine'

 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/34878>
Django <https://code.djangoproject.com/>
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