Login_required decorator in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the decorator function from Flask-Login.

Flask

from flask_login import [1]

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

Acurrent_user

BLoginManager

Clogin_required

Dlogout_user

Attempts:

3 left

💡 Hint

Common Mistakes

Importing LoginManager instead of login_required

Using current_user as a decorator

Forgetting to import login_required

The login_required decorator is imported from flask_login to protect routes.

2fill in blank

medium

Complete the code to protect the route so only logged-in users can access it.

Flask

@[1]
def dashboard():
    return "Welcome to your dashboard!"

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

Aapp.route('/dashboard')

Blogin_required

Croute('/dashboard')

Drequires_login

Attempts:

3 left

💡 Hint

Common Mistakes

Using app.route instead of login_required

Adding parentheses like login_required() incorrectly

Using a non-existent decorator like requires_login

The login_required decorator is placed above the route function to restrict access.

3fill in blank

hard

Fix the error in the decorator usage to properly protect the route.

Flask

@[1]
def profile():
    return "User profile page"

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

Alogin_required(False)

Blogin_required()

Clogin_required(True)

Dlogin_required

Attempts:

3 left

💡 Hint

Common Mistakes

Adding parentheses when not required

Passing arguments to login_required which it does not accept

Using incorrect decorator syntax

The login_required decorator should be used without parentheses unless arguments are needed.

4fill in blank

hard

Fill both blanks to create a route '/settings' that requires login and returns a simple message.

Flask

@[1]
@[2]('/settings')
def settings():
    return "Settings page"

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

Alogin_required

Bapp.route

Croute

Dlogin_required()

Attempts:

3 left

💡 Hint

Common Mistakes

Using login_required() with parentheses

Using route instead of app.route

Reversing the order of decorators

The login_required decorator protects the route defined by app.route.

5fill in blank

hard

Fill all three blanks to create a Flask app with a protected route '/profile' that returns a welcome message.

Flask

from flask import Flask
from flask_login import [1], LoginManager

app = Flask(__name__)
login_manager = LoginManager()
login_manager.init_app(app)

@app.route('/profile')
@[2]
def profile():
    return "Welcome, user!"

if __name__ == '__main__':
    app.run(debug=[3])

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

Alogin_required

Blogin_required()

CTrue

DFalse

Attempts:

3 left

💡 Hint

Common Mistakes

Using login_required() with parentheses in code

Setting debug to False accidentally

Forgetting to import login_required

Import and use login_required without parentheses to protect the route. Run the app with debug mode set to True for development.