Messages framework for flash messages in Django - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of Django's Messages framework?

It allows you to store one-time notifications (flash messages) that can be displayed to users after a page reload or redirect.

beginner

How do you add a message in a Django view?

Use the messages module, for example: messages.success(request, 'Your profile was updated.').

intermediate

Name the default message levels provided by Django's Messages framework.

DEBUG, INFO, SUCCESS, WARNING, ERROR.

beginner

How do you display messages in a Django template?

Use a loop over messages context variable, for example:<br>

{% raw %}{% if messages %}
  {% for message in messages %}
    <div class="{{ message.tags }}">{{ message }}</div>
  {% endfor %}
{% endif %}{% endraw %}

intermediate

What middleware must be enabled for Django's Messages framework to work?

The django.contrib.messages.middleware.MessageMiddleware must be included in the MIDDLEWARE setting.

Which function adds a success message in Django?

A messages.success(request, 'Message')

B messages.error(request, 'Message')

C messages.info(request, 'Message')

D messages.warning(request, 'Message')

The success() function adds a success-level flash message.

Where do you typically display flash messages in Django?

A In the template using the messages context variable

B In the database admin panel

C In the model

D In the view function

Messages are displayed in templates by looping over the messages context variable.

Which middleware is required for Django messages to work?

A SessionMiddleware

B CsrfViewMiddleware

C AuthenticationMiddleware

D MessageMiddleware

MessageMiddleware enables the messages framework to store and retrieve messages.

What happens to messages after they are displayed once?

A They are archived

B They stay forever

C They are deleted automatically

D They are sent by email

Messages are one-time notifications and are removed after being displayed.

Which message level is NOT part of Django's default levels?

A DEBUG

B CRITICAL

C WARNING

D ERROR

CRITICAL is not a default message level in Django's messages framework.

Explain how to add and display a flash message in Django using the Messages framework.

Think about the flow from view to template and middleware role.

List and describe the default message levels in Django's Messages framework.

Levels indicate message importance and style.