Moderate Decorators Question 82 of 228

How do Django's login_required and require_POST work at a high level?

Python & Django · Speak this in 60–90 seconds · Faridabad & Delhi NCR

PICTURE THIS: A REST CALL

ClientGET /users/1

ServerFind row

JSON back200 OK

Simple meaning

login_required checks request.user.is_authenticated and redirects or returns 403 depending on configuration.

WHY — Decorators instead of guessing?

Why interviewers care about Decorators:

This is a process

question about Decorators.

Panels listen for order,

trade-offs, and what you would actually do on a Python project - not buzzwords.

Stay structured

Name the idea, why it exists, then one short example.

Close cleanly

End with when you use it and one common pitfall.

STEPS — What happens step by step?

Before you speak the answer, walk the interviewer through these steps:

1
login_required checks request.user.is_authenticated and
redirects or returns 403 depending on configuration.
2
require_POST rejects methods other
than POST before the view runs.
3
How it works
Both are function decorators
4
on class-based views you
apply them with method_decorator on dispatch or a named HTTP method.
5
Common mistake
What juniors usually get wrong.
6
Close
When you pick this over the alternative.

EXAMPLE — See it in action

Here's a short line you can speak, broken into clear beats:

Say this line

“require_POST rejects methods other than POST before the view runs.”

Break into beats

requirePOSTrejectsmethodsotherthan

Speaking order

2987408337471632900

Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.

Key takeaway

login_required checks request.user.is_authenticated and redirects or returns 403 depending on configuration. require_POST rejects methods other than POST before the view runs.