INSTALLED_APPS = [
    ...
    's3direct',
    ...
]

TEMPLATES = [{
    ...
    'APP_DIRS': True,
    ...
}]

# AWS

# If these are set to None, the EC2 instance profile and IAM role are used.
AWS_ACCESS_KEY_ID = 'your-aws-access-key-id'
AWS_SECRET_ACCESS_KEY = 'your-aws-secret-access-key'

# Bucket name
AWS_STORAGE_BUCKET_NAME = 'your-aws-s3-bucket-name'

# The region of your bucket, more info:
# http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region
AWS_S3_REGION_NAME = 'eu-west-1'

# The endpoint of your bucket, more info:
# http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region
AWS_S3_ENDPOINT_URL = 'https://s3.eu-west-1.amazonaws.com'

S3DIRECT_DESTINATIONS = {
    'example_destination': {
        # "key" [required] The location to upload file
        #       1. String: folder path to upload to
        #       2. Function: generate folder path + filename using a function
        'key': 'uploads/images',

        # "auth" [optional] Limit to specfic Django users
        #        Function: ACL function
        'auth': lambda u: u.is_staff,

        # "allowed" [optional] Limit to specific mime types
        #           List: list of mime types
        'allowed': ['image/jpeg', 'image/png', 'video/mp4'],

        # "bucket" [optional] Bucket if different from AWS_STORAGE_BUCKET_NAME
        #          String: bucket name
        'bucket': 'custom-bucket',

        # "endpoint" [optional] Endpoint if different from AWS_S3_ENDPOINT_URL
        #            String: endpoint URL
        'endpoint': 'custom-endpoint',

        # "region" [optional] Region if different from AWS_S3_REGION_NAME
        #          String: region name
        'region': 'custom-region', # Default is 'AWS_S3_REGION_NAME'

        # "acl" [optional] Custom ACL for object, default is 'public-read'
        #       String: ACL
        'acl': 'private',

        # "cache_control" [optional] Custom cache control header
        #                 String: header
        'cache_control': 'max-age=2592000',

        # "content_disposition" [optional] Custom content disposition header
        #                       String: header
        'content_disposition': lambda x: 'attachment; filename="{}"'.format(x),

        # "content_length_range" [optional] Limit file size
        #                        Tuple: (from, to) in bytes
        'content_length_range': (5000, 20000000),

        # "server_side_encryption" [optional] Use serverside encryption
        #                          String: encrytion standard
        'server_side_encryption': 'AES256',

        # "allow_existence_optimization" [optional] Checks to see if file already exists,
        #                                returns the URL to the object if so (no upload)
        #                                Boolean: True, False
        'allow_existence_optimization': False,
    },
    'example_destination_two': {
        'key': lambda filename, args: args + '/' + filename,
    	'key_args': 'uploads/images',
    }
}

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

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

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

from django import forms
from s3direct.widgets import S3DirectWidget

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

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

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