URL parameters with angle brackets in Django - Cheat Sheet & Quick Revision

Recall & Review

beginner

What do angle brackets <> mean in Django URL patterns?

Angle brackets <> in Django URL patterns mark a variable part of the URL. They capture a value from the URL and pass it as a parameter to the view function.

beginner

How do you capture an integer parameter named 'id' in a Django URL pattern?

Use <int:id> inside the URL pattern. This captures an integer from the URL and names it 'id' for the view to use.

beginner

What happens if you use <str:name> in a Django URL pattern?

It captures any text (except slashes) from the URL and passes it as a string parameter named 'name' to the view.

intermediate

Can you use custom converters with angle brackets in Django URLs?

Yes, Django allows custom path converters to define how URL parts are matched and converted before passing to views.

intermediate

Why is it better to use typed parameters like <int:id> instead of just <id>?

Typed parameters ensure the URL part matches the expected type (like integer), preventing errors and improving URL clarity.

What does <slug:post_slug> do in a Django URL pattern?

A Captures a string with letters, numbers, underscores or hyphens as 'post_slug'

B Captures only numbers as 'post_slug'

C Captures any text including slashes as 'post_slug'

D Captures a floating point number as 'post_slug'

<slug:post_slug> captures a slug string which includes letters, numbers, underscores, or hyphens.

Which of these is the correct way to capture a username as a string in Django URL?

A /user/&lt;str:username&gt;/

B /user/&lt;int:username&gt;/

C /user/&lt;slug:username&gt;/

D /user/&lt;float:username&gt;/

Use <str:username> to capture any string without slashes as the username.

What will happen if you use <int:id> but the URL has a non-integer value?

A The server will crash

B The view will receive the value as a string

C Django will convert it to zero

D Django will raise a 404 error (page not found)

Django returns a 404 error if the URL part does not match the expected type.

How do you define a URL pattern that captures a UUID parameter named 'uid'?

A &lt;int:uid&gt;

B &lt;uuid:uid&gt;

C &lt;str:uid&gt;

D &lt;slug:uid&gt;

Use <uuid:uid> to capture a UUID in Django URLs.

Which part of Django handles the matching of URL parameters with angle brackets?

A Models

B Views

C URL dispatcher (urls.py)

D Templates

The URL dispatcher in urls.py matches URL patterns and extracts parameters.

Explain how angle brackets are used to capture parameters in Django URL patterns.

Think about how URLs can include changing parts like IDs or names.

Describe why using typed parameters like is helpful in Django URLs.

Consider what happens if a URL expects a number but gets text.