Instruction: Describe the process of creating and integrating a custom authentication system with Django's default user management.
Context: Candidates need to show their capability to extend or replace Django's built-in authentication mechanisms to accommodate unique requirements.
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Firstly, it's crucial to understand Django's authentication framework. Django uses a pluggable system for authentication, allowing developers to customize how users are authenticated. This is achieved by creating a custom authentication backend that defines the logic for authenticating a user. The custom backend can be used alongside Django's built-in backends or as a standalone system, depending on the project's requirements.
To create a custom authentication backend, you would start by defining a new class that inherits from django.contrib.auth.backends.BaseBackend. Within this class, you'll implement the required authenticate method, and optionally, the get_user method. The authenticate method takes request and credentials as arguments and returns a User object if...