Default CRUD - ( User Management in Django )

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Syntax

Create

from django.contrib.auth.models import User

user = User.objects.create_user(username='myuser', password='mypassword', email='myemail@example.com')
user.first_name = 'John'
user.last_name = 'Doe'
user.save()

Read

from django.contrib.auth.models import User

users = User.objects.all()

for user in users:
    print(user.username, user.email)

Update

from django.contrib.auth.models import User

user = User.objects.get(username='myuser')
user.first_name = 'Jane'
user.save()

Delete

from django.contrib.auth.models import User

user = User.objects.get(username='myuser')
user.delete()

Example

Create

from django.contrib.auth.models import User

user = User.objects.create_user(username='johndoe', password='mysecretpassword', email='johndoe@example.com')
user.first_name = 'John'
user.last_name = 'Doe'
user.save()

Read

from django.contrib.auth.models import User

users = User.objects.all()

for user in users:
    print(user.username, user.email)

Update

from django.contrib.auth.models import User

user = User.objects.get(username='johndoe')
user.first_name = 'Jane'
user.save()

Delete

from django.contrib.auth.models import User

user = User.objects.get(username='johndoe')
user.delete()

Output

Create

>>> user = User.objects.create_user(username='johndoe', password='mysecretpassword', email='johndoe@example.com')
>>> user.first_name = 'John'
>>> user.last_name = 'Doe'
>>> user.save()

>>> user
<User: johndoe>

Read

johndoe johndoe@example.com
janedoe janedoe@example.com

Update

>>> user = User.objects.get(username='johndoe')
>>> user.first_name = 'Jane'
>>> user.save()

>>> user.first_name
'Jane'

Delete

>>> user = User.objects.get(username='johndoe')
>>> user.delete()

>>> User.objects.all()
<QuerySet [<User: janedoe>]>

Explanation

Django provides default views and templates for CRUD (Create, Read, Update, Delete) operations on user accounts.

The create_user function can be used to create a new user, along with specifying a username, password, and email. Additional properties like first name and last name can be set using the save method.

The all method is used to get all users from the database, which can then be iterated over.

To update a user's properties, the get method is used to retrieve the user, and then the desired properties are updated and saved using the save method.

To delete a user, the get method is used to retrieve the user and then the delete method is used to remove the user from the database.

Use

The default user management in Django can be used as a starting point for user authentication and authorization in web applications. Developers can customize the built-in user model or create their own models to handle additional user properties and relationships.

Important Points

• Django provides default views and templates for CRUD operations on user accounts
• create_user function is used to create a new user with a username, password, and email
• all method is used to get all users from the database
• get method is used to retrieve a specific user from the database
• Developers can customize the built-in user model or create their own models to handle additional user properties and relationships

Summary

Django's default user management provides a simple and convenient way to handle user authentication and authorization. Developers can use the built-in views and templates for CRUD operations on user accounts or customize them to suit their needs. The default models and views can be extended or replaced with custom models and views as per the requirements of the application.