Django-storages Documentation
[Pages:45]django-storages Documentation
Release 1.1.7 David Larlet, et. al.
March 20, 2013
CONTENTS
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django-storages Documentation, Release 1.1.7 django-storages is a collection of custom storage backends for Django.
CONTENTS
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django-storages Documentation, Release 1.1.7
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CONTENTS
CHAPTER
ONE
AMAZON S3
1.1 Usage
There are two backend APIs for interacting with S3. The first is the s3 backend (in storages/backends/s3.py) which is simple and based on the Amazon S3 Python library. The second is the s3boto backend (in storages/backends/s3boto.py) which is well-maintained by the community and is generally more robust (including connection pooling, etc...). s3boto requires the python-boto library.
1.1.1 Settings
DEFAULT_FILE_STORAGE This setting sets the path to the S3 storage class, the first part correspond to the filepath and the second the name of the class, if you've got in your PYTHONPATH and store your storage file in libs/storages/S3Storage.py, the resulting setting will be: DEFAULT_FILE_STORAGE = 'libs.storages.S3Storage.S3Storage' or if you installed using setup.py: DEFAULT_FILE_STORAGE = 'storages.backends.s3.S3Storage' If you keep the same filename as in repository, it should always end with S3Storage.S3Storage. To use s3boto, this setting will be: DEFAULT_FILE_STORAGE = 'storages.backends.s3boto.S3BotoStorage' AWS_ACCESS_KEY_ID Your Amazon Web Services access key, as a string. AWS_SECRET_ACCESS_KEY Your Amazon Web Services secret access key, as a string. AWS_STORAGE_BUCKET_NAME Your Amazon Web Services storage bucket name, as a string. AWS_CALLING_FORMAT (Subdomain hardcoded in s3boto) The way you'd like to call the Amazon Web Services API, for instance if you prefer subdomains: from S3 import CallingFormat AWS_CALLING_FORMAT = CallingFormat.SUBDOMAIN
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django-storages Documentation, Release 1.1.7
AWS_HEADERS (optional) If you'd like to set headers sent with each file of the storage:
# see AWS_HEADERS = {
'Expires': 'Thu, 15 Apr 2010 20:00:00 GMT', 'Cache-Control': 'max-age=86400', }
To allow django-admin.py collectstatic to automatically put your static files in your bucket set the following in your settings.py:
STATICFILES_STORAGE = 'storages.backends.s3boto.S3BotoStorage'
1.1.2 Fields
Once you're done, default_storage will be the S3 storage:
>>> from django.core.files.storage import default_storage >>> print default_storage.__class__
The above doesn't seem to be true for django 1.3+ instead look at:
>>> from django.core.files.storage import default_storage >>> print default_storage.connection S3Connection:s3.
This way, if you define a new FileField, it will use the S3 storage:
>>> from django.db import models
>>> class Resume(models.Model):
...
pdf = models.FileField(upload_to='pdfs')
...
photos = models.ImageField(upload_to='photos')
...
>>> resume = Resume()
>>> print resume.pdf.storage
1.2 Tests
Initialization: >>> from django.core.files.storage import default_storage >>> from django.core.files.base import ContentFile >>> from django.core.cache import cache >>> from models import MyStorage
1.2.1 Storage
Standard file access options are available, and work as expected:
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Chapter 1. Amazon S3
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