Redirects with redirect function in Django - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the redirect function from Django shortcuts.

Django

from django.shortcuts import [1]

Drag options to blanks, or click blank then click option'

Aredirect

Brender

Cget_object_or_404

DHttpResponse

Attempts:

3 left

💡 Hint

Common Mistakes

Importing render instead of redirect

Trying to import redirect from django.http

Forgetting to import redirect at all

The redirect function is imported from django.shortcuts to perform HTTP redirects.

2fill in blank

medium

Complete the code to redirect the user to the URL named 'home'.

Django

return [1]('home')

Drag options to blanks, or click blank then click option'

Arender

Bredirect

CHttpResponseRedirect

Dreverse

Attempts:

3 left

💡 Hint

Common Mistakes

Using render instead of redirect

Using reverse without redirect

Returning a string instead of a redirect

The redirect function is used to send the user to the URL named 'home'.

3fill in blank

hard

Fix the error in the redirect call to use the correct function.

Django

return [1]('/dashboard/')

Drag options to blanks, or click blank then click option'

Arender

BHttpResponse

Credirect

Dget_object_or_404

Attempts:

3 left

💡 Hint

Common Mistakes

Using HttpResponse instead of redirect

Using render instead of redirect

Not importing redirect before use

The correct function to redirect to a URL is redirect. Using HttpResponse or render will not redirect.

4fill in blank

hard

Fill both blanks to redirect to a URL named 'profile' with an argument user_id.

Django

from django.urls import [1]
return redirect([2]('profile', args=[user_id]))

Drag options to blanks, or click blank then click option'

Areverse

Brender

CHttpResponseRedirect

Dget_object_or_404

Attempts:

3 left

💡 Hint

Common Mistakes

Using render instead of reverse

Using HttpResponseRedirect instead of reverse

Not passing args as a list

The reverse function builds the URL from the name and arguments. Then redirect sends the user there.

5fill in blank

hard

Fill all three blanks to redirect to a named URL 'article-detail' with keyword argument 'pk' equal to article.id.

Django

from django.urls import [1]
url = [2]('article-detail', [3]={'pk': article.id})
return redirect(url)

Drag options to blanks, or click blank then click option'

Areverse

Brender

Ckwargs

Dargs

Attempts:

3 left

💡 Hint

Common Mistakes

Using args instead of kwargs for keyword arguments

Using render instead of reverse

Not importing reverse from django.urls

reverse builds the URL. The keyword arguments are passed using kwargs as a dictionary.

Practice

1. What does the Django redirect function do in a view?

easy

A. It saves data to the database before showing a page.

B. It sends the user to a different URL or view automatically.

C. It stops the server from responding to the request.

D. It renders a template without changing the URL.

Solution

1. Step 1: Understand the purpose of redirect

   The redirect function is used to send users to another page automatically, changing the URL in the browser.

2. Step 2: Compare with other options

   Rendering a template does not change the URL, stopping the server or saving data are unrelated to redirect.

3. Final Answer:

   It sends the user to a different URL or view automatically. -> Option B

4. Quick Check:

   Redirect = automatic URL change [OK]

Hint: Redirect changes URL and sends user to another page [OK]

Common Mistakes:

• Confusing redirect with render which does not change URL
• Thinking redirect saves data automatically
• Assuming redirect stops server response

2. Which of the following is the correct way to use redirect to send a user to a URL path '/home/'?

easy

A. redirect('/home/')

B. return redirect url('/home/')

C. return redirect('/home/')

D. return redirect('/home')()

Solution

1. Step 1: Check the syntax of redirect usage

   The redirect function must be returned from the view with the URL path as a string argument.

2. Step 2: Identify correct syntax

   Only return redirect('/home/') correctly calls redirect and returns the response.

3. Final Answer:

   return redirect('/home/') -> Option C

4. Quick Check:

   Use return with redirect and URL string [OK]

Hint: Always use return with redirect and pass URL as string [OK]

Common Mistakes:

• Forgetting to return the redirect response
• Calling redirect without return
• Adding extra parentheses or wrong syntax

3. What will happen when this Django view runs?

from django.shortcuts import redirect

def my_view(request):
    return redirect('home')

Assuming 'home' is a valid URL pattern name.

medium

A. The user will be redirected to the URL linked to the 'home' view name.

B. The view will raise an error because 'home' is not a URL path.

C. The view will render a template named 'home'.

D. Nothing happens; the redirect function does not work with names.

Solution

1. Step 1: Understand redirect with view name

   Redirect can accept a URL pattern name and will find the URL linked to that name.

2. Step 2: Confirm behavior

   Since 'home' is a valid URL name, redirect sends user to that URL automatically.

3. Final Answer:

   The user will be redirected to the URL linked to the 'home' view name. -> Option A

4. Quick Check:

   redirect('view_name') sends user to that URL [OK]

Hint: redirect accepts URL names, not just paths [OK]

Common Mistakes:

• Thinking redirect only works with URL paths
• Confusing redirect with render for templates
• Assuming redirect needs full URL string

4. Identify the error in this Django view using redirect:

from django.shortcuts import redirect

def go_home(request):
    redirect('/home/')

medium

A. Missing return statement before redirect call.

B. Redirect function does not accept string paths.

C. The URL path should not start with a slash.

D. The import statement is incorrect.

Solution

1. Step 1: Check the redirect usage in the view

   The redirect function must be returned to send the HTTP response properly.

2. Step 2: Identify missing return

   Here, redirect is called but not returned, so the view returns None and does not redirect.

3. Final Answer:

   Missing return statement before redirect call. -> Option A

4. Quick Check:

   Always return redirect response [OK]

Hint: Always return redirect, don't just call it [OK]

Common Mistakes:

• Calling redirect without return
• Thinking redirect needs special URL format
• Incorrect import statements

5. You want to redirect a user to a detail page of a model instance post in Django. Which is the correct way to use redirect?

hard

A. return redirect('/post/' + post.id)

B. return redirect('post_detail', id=post.id)

C. return redirect(post)

D. return redirect('post_detail', pk=post.id)

Solution

1. Step 1: Understand redirect with model instance and URL parameters

   Redirect can accept a view name with keyword arguments matching URL parameters.

2. Step 2: Analyze options

   return redirect(post) passes the model instance directly, which works only if the model has a get_absolute_url method. return redirect('post_detail', id=post.id) uses incorrect keyword 'id'; typical patterns use 'pk', causing NoReverseMatch. return redirect('post_detail', pk=post.id) correctly passes the view name and keyword argument 'pk' matching typical URL patterns. return redirect('/post/' + post.id) tries to concatenate string and int without conversion, causing error.

3. Final Answer:

   return redirect('post_detail', pk=post.id) -> Option D

4. Quick Check:

   Use redirect with view name and keyword args [OK]

Hint: Use redirect with view name and keyword args for model pages [OK]

Common Mistakes:

• Passing model instance without get_absolute_url method
• Using incorrect keyword arg name like 'id' instead of 'pk'
• Concatenating string and int without conversion