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How to handle files in Django

Jan. 6, 2023

2 min read

To handle file uploads in Django, you can use the FileField or ImageField model field. These fields are included in the django.db.models.fields.files module.

Here's an example of how you can use them in your models:

from django.db import models

class Document(models.Model):
    docfile = models.FileField(upload_to='documents/%Y/%m/%d')

class Image(models.Model):
    image = models.ImageField(upload_to='images/%Y/%m/%d')

The upload_to parameter specifies the directory where the uploaded files will be stored. You can also specify a callable as the upload_to parameter, which will be passed the instance of the model and the filename of the uploaded file.

In your template, you can use the {% csrf_token %} template tag to protect against cross-site request forgery attacks and the enctype attribute of the <form> element to specify that the form will be used for file uploads:

<form method="post" enctype="multipart/form-data">
    {% csrf_token %}
    {{ form.as_p }}
    <input type="submit" value="Upload">

To handle the file upload in your view, you can use the request.FILES attribute. This attribute is a dictionary containing a key for each FileField or ImageField in the form. Here's an example of how you can handle the file upload in your view:

from django.shortcuts import render, redirect

def handle_upload(request):
    if request.method == 'POST':
        form = DocumentForm(request.POST, request.FILES)
        if form.is_valid():
            return redirect('document_list')
        form = DocumentForm()
    return render(request, 'handle_upload.html', {'form': form})

I hope this helps! If you have any problem, you can comment or direct message.

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