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Add direct uploads to S3 functionality with a progress bar to file input fields.

Project Description


Upload files directly to S3 from Django

[![Build Status](](

Add direct uploads to AWS S3 functionality with a progress bar to file input fields.

<img src="" width="381"/>

## Installation

Install with Pip:

```pip install django-s3direct```

## AWS Setup

### Access Credentials

You have two options of providing access to AWS resources:

1. Add credentials of an IAM user to your Django settings (see below)
2. Use the EC2 instance profile and its attached IAM role

Whether you are using an IAM user or a role, there needs to be an IAM policy
in effect that grants permission to upload to S3:

"Statement": [
"Effect": "Allow",
"Action": ["s3:PutObject", "s3:PutObjectAcl"],
"Resource": "arn:aws:s3:::your-bucket-name/*"

If the instance profile is to be used, the IAM role needs to have a
Trust Relationship configuration applied:

"Statement": [
"Effect": "Allow",
"Principal": {
"Service": ""
"Action": "sts:AssumeRole"

Note that in order to use the EC2 instance profile, django-s3direct needs
to query the EC2 instance metadata using utility functions from the
[botocore] [] package. You already have `botocore` installed if `boto3`
is a dependency of your project.

### S3 CORS

Setup a CORS policy on your S3 bucket.


## Django Setup



'APP_DIRS': True,


# If these are not defined, the EC2 instance profile and IAM role are used.
# This requires you to add boto3 (or botocore, which is a dependency of boto3)
# to your project dependencies.


# The region of your bucket, more info:
S3DIRECT_REGION = 'us-east-1'

# Destinations, with the following keys:
# key [required] Where to upload the file to, can be either:
# 1. '/' = Upload to root with the original filename.
# 2. 'some/path' = Upload to some/path with the original filename.
# 3. functionName = Pass a function and create your own path/filename.
# auth [optional] An ACL function to whether the current Django user can perform this action.
# allowed [optional] List of allowed MIME types.
# acl [optional] Give the object another ACL rather than 'public-read'.
# cache_control [optional] Cache control headers, eg 'max-age=2592000'.
# content_disposition [optional] Useful for sending files as attachments.
# bucket [optional] Specify a different bucket for this particular object.
# server_side_encryption [optional] Encryption headers for buckets that require it.

'example_destination': {
'key': 'uploads/images',

'auth': lambda u: u.is_staff, # Default allow anybody to upload
'allowed': ['image/jpeg', 'image/png', 'video/mp4'], # Default allow all mime types
'bucket': 'pdf-bucket', # Default is 'AWS_STORAGE_BUCKET_NAME'
'acl': 'private', # Defaults to 'public-read'
'cache_control': 'max-age=2592000', # Default no cache-control
'content_disposition': 'attachment', # Default no content disposition
'content_length_range': (5000, 20000000), # Default allow any size
'server_side_encryption': 'AES256', # Default no encryption


urlpatterns = [
url(r'^s3direct/', include('s3direct.urls')),

Run ```python collectstatic``` if required.

## Use in Django admin


from django.db import models
from s3direct.fields import S3DirectField

class Example(models.Model):
video = S3DirectField(dest='example_destination')

## Use the widget in a custom form


from django import forms
from s3direct.widgets import S3DirectWidget

class S3DirectUploadForm(forms.Form):
images = forms.URLField(widget=S3DirectWidget(dest='example_destination'))

__*Optional.__ You can modify the HTML of the widget by overiding template __s3direct/templates/s3direct-widget.tpl__


from django.views.generic import FormView
from .forms import S3DirectUploadForm

class MyView(FormView):
template_name = 'form.html'
form_class = S3DirectUploadForm

### templates/form.html

<meta charset="utf-8">
{{ }}
<form action="" method="post">{% csrf_token %}
{{ form.as_p }}

## Examples
Examples of both approaches can be found in the examples folder. To run them:
$ git clone
$ cd django-s3direct
$ python install
$ cd example

# Add your AWS keys to

$ python migrate
$ python createsuperuser
$ python runserver

Visit ```http://localhost:5000/admin``` to view the admin widget and ```http://localhost:5000/form``` to view the custom form widget.


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