Understand How to Use django get_object_or_404
In this tutorial, we're going to learn how to use Django get_object_or_404.
1. What is Django get_object_or_404
Get_object_or_404: is a method that returns a 404 error if the object does not exist.
2. How to Use Django get_object_or_404
Before coding example, let's first create a simple model and adding some records.
Adding some records:
Let's try to get a record that's not exists with the get() method and see what happens.
Let's do the same thing but now with the get_object_or_404 method and see the difference.
I think you understood it!.
So if you want to get an object and you don't want to get an error when the record doesn't exist, you should use the get_object_or_404 method.
3. Customizing Django get_object_or_404 message
As you know, we can't customize the get_object_or_404 method's error, but we can do it with the Http404 exception, let's see an example.
4. How to Solve get_object_or_404 is not defined error
when you use the get_object_or_404 method without importing it, you will face this issue:
To solve this issue, you need to import the method before your view.