Djangoでデバッグをしたい時に使う便利ツール【debug-toolbar】の導入方法、見方

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'debug_toolbar', # 追加
    'basic_app',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'debug_toolbar.middleware.DebugToolbarMiddleware', # 追加
]

# debug-tool-barで表示するパネル一覧、設定しなければ全て表示
DEBUG_TOOLBAR_PANELS = (
    'debug_toolbar.panels.version.VersionDebugPanel',
    'debug_toolbar.panels.timer.TimerDebugPanel',
    'debug_toolbar.panels.settings_vars.SettingsVarsDebugPanel',
    'debug_toolbar.panels.headers.HeaderDebugPanel',
    'debug_toolbar.panels.request_vars.RequestVarsDebugPanel',
    'debug_toolbar.panels.template.TemplateDebugPanel',
    'debug_toolbar.panels.sql.SQLDebugPanel',
    'debug_toolbar.panels.signals.SignalDebugPanel',
    'debug_toolbar.panels.logger.LoggingPanel',
)

INTERNAL_IPS = ['127.0.0.1']
# debug-toolbarを表示するipアドレスです。上の設定では、ローカルのみdebug-toolbarが表示される

from django.contrib import admin
from django.urls import path, include
from basic_app import views
from django.conf import settings# 追加

urlpatterns = [
    path('admin/', admin.site.urls),
    path('', views.IndexView.as_view(), name='index'),
    path('basic_app/', include('basic_app.urls', namespace='basic_app'))
]

if settings.DEBUG:# 追加
    import debug_toolbar
    urlpatterns = [
        path('__debug__/', include(debug_toolbar.urls)),
    ] + urlpatterns