Best Way to Set Storage Backend

[jazzband]

Best Way to Set Storage Backend

[jezdez]

@saulshanabrook There multiple ways to implement this with django-configurations but since I see you don't only have one setting to change depending on your DJANGO_STORAGE environment variable, I would recommend to simply split those two cases into two different Configuration subclasses, e.g. Local and S3 for example. Each would have the appropriate settings as the if blocks indicate. Then you'd "switch" those configurations by simply setting the DJANGO_CONFIGURATION environment variable to either Local or S3.

In case there are some other settings that are in common to both storage configurations, simply create a base configuration class called Base that subclasses Configuration and use it when subclassing the Local and S3 configuration classes.

Here's an example:

from configurations import Configuration

class Base(Configuration):
    # some common settings here..


class Local(Base):

    STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.CachedStaticFilesStorage'

    STATIC_URL = '/static/'
    STATIC_ROOT = rel_path('tmp/static')

    MEDIA_URL = '/media/'
    MEDIA_ROOT = rel_path('tmp/media')


class S3(Base):

    DEFAULT_FILE_STORAGE = 'storages.backends.s3boto.S3BotoStorage'
    STATICFILES_STORAGE = 'configs.storage_backends.S3HashedFilesStorage'

    INSTALLED_APPS = Base.INSTALLED_APPS + (
        'storages',
    )
    AWS_ACCESS_KEY_ID = values.SecretValue(environ_prefix=None)
    AWS_SECRET_ACCESS_KEY = values.SecretValue(environ_prefix=None)
    AWS_STORAGE_BUCKET_NAME = values.SecretValue(environ_name='AWS_BUCKET',
                                                 environ_prefix=None)
    AWS_S3_CUSTOM_DOMAIN = AWS_STORAGE_BUCKET_NAME
    AWS_HEADERS = {
        "Cache-Control": "public, max-age=31536000",
        'Expires': (datetime.utcnow() + timedelta(days=365)).strftime('%a, %d %b %Y %H:%M:%S UTC')
    }
    AWS_QUERYSTRING_AUTH = False
    AWS_QUERYSTRING_EXPIRE = 600
    AWS_S3_SECURE_URLS = False
    AWS_IS_GZIPPED = True
    AWS_PRELOAD_METADATA = True

    STATIC_URL = 'http://{}/'.format(AWS_S3_CUSTOM_DOMAIN)