Instruction: Describe the process and considerations for handling file uploads in a Django application.
Context: This question tests the candidate's knowledge of handling file uploads, including security and performance considerations.
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First, to handle file uploads in Django, I use the FileField or ImageField in models for storing uploaded files. This approach abstracts much of the complexity involved in handling file uploads, allowing Django to manage file storage seamlessly.
For form handling, I utilize Django's built-in forms.ModelForm class, ensuring that the form is valid and that file size and type validations are in place. It's crucial to validate the file size directly in the form to avoid loading large files into memory. For instance, I often set a limit on the maximum file size that can be uploaded and provide feedback to the user if the file exceeds this size....