CODE EXAMPLE FOR PYTHON

how to 404 custom page not found in django

#STEP 1: Create your custom 404.html template in your template folder 

#STEP 2: In your views create a new view function 
def error_404_handler(request, exception):
    return render(request, 'crypto/404.html')
  
#STEP 3: Go to your url.py file in your project file and add this
from django.conf.urls import handler404
handler404 = 'appname.views.error_404_handler'

#STEP 4: In your setting.py change these settings
DEBUG = FALSE
ALLOWED_HOSTS = ['*'] #Do not use in production

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, 'templates')],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]