Toolkit for storing files and attachments in web applications
Project description
DEPOT - File Storage Made Easy
DEPOT is a framework for easily storing and serving files in web applications on Python2.6+ and Python3.2+.
DEPOT supports storing files in multiple backends, like:
Local Disk
In Memory (for tests)
On GridFS
On Amazon S3 (or compatible services)
and integrates with database by providing files attached to your SQLAlchemy or Ming/MongoDB models with respect to transactions behaviours (files are rolled back too).
Installing
Installing DEPOT can be done from PyPi itself by installing the filedepot distribution:
$ pip install filedepot
Getting Started
To start using Depot refer to Documentation
DEPOT was presented at PyConUK and PyConFR in 2014
Here is a simple example of using depot standalone to store files on MongoDB:
from depot.manager import DepotManager
# Configure a *default* depot to store files on MongoDB GridFS
DepotManager.configure('default', {
'depot.backend': 'depot.io.gridfs.GridFSStorage',
'depot.mongouri': 'mongodb://localhost/db'
})
depot = DepotManager.get()
# Save the file and get the fileid
fileid = depot.create(open('/tmp/file.png'))
# Get the file back
stored_file = depot.get(fileid)
print stored_file.filename
print stored_file.content_type
ChangeLog
0.7.0
Support for storage_class option in depot.io.boto3.S3Storage backend. Detaults to STANDARD
0.6.0
Officially support Python 3.7
Fix DEPOT wrongly serving requests for any url that starts with the mountpoint. (IE: /depotsomething was wrongly served for /depot mountpoint)
In SQLAlchemy properly handle deletion of objects deleted through Relationship.remove (IE: parent.children.remove(X))
In SQLAlchemy properly handle entities deleted through cascade='delete-orphan'
0.5.2
Fixed an start_response called a second time without providing exc_info error with storages supporting plublic urls
0.5.1
URLs generated by DepotMiddleware are now guaranteed to be plain ascii
[Breaking change]: Bucket existance with S3 storages should now be more reliable when the bucket didn’t already exist, but it requires an additional AWS policy: s3:ListAllMyBuckets that wasn’t required on 0.5.0
0.5.0
depot.io.boto3.S3Storage now provides support for accessing S3 with boto3. The previously existing depot.io.awss3.S3Storage can still be used to store files on S3 using boto.
SQLAlchemy integration now handles deletion of files on rollback when session is not flushed. Previously flushing the session was required before a rollback too.
It is now possible to run tests through tox and build docs through tox -e docs
DEPOT is now tested against Python 3.6
0.4.1
Fixed installation error on non-UTF8 systems
Improved support for polymorphic subtypes in SQLAlchemy
0.4.0
Support for Python 3.5
Fixed Content-Disposition header for filenames including a comma
0.3.2
MemoryFileStorage now accepts any option, for easier testing configuration
0.3.1
Fixed Content-Disposition header when serving from S3 directly
Fixed size of SQLAlchemy field on Oracle (was bigger than the allowed maximum)
0.3.0
MemoryFileStorage provides in memory storage for files. This is meant to provide a convenient way to speed up test suites and avoid fixture clean up issues.
S3Storage can now generate public urls for private files (expire in 1 year)
Files created from plain bytes are now named “unnamed” instead of missing a filename.
0.2.1
S3Storage now supports the prefix option to store files in a subpath
0.2.0
Storages now provide a list method to list files available on the store (This is not meant to be used to retrieve files uploaded by depot as it lists all the files).
DepotExtension for Ming is now properly documented
0.1.2
It is now possible to use multiple WithThumbnailFilter to generate multiple thumbnails with different resolutions.
Better documentation for MongoDB UploadedFileProperty
0.1.1
Fixed a bug with Ming support when acessing UploadedFileProperty as a class property
Improved support for DEPOT inside TurboGears admin when using MongoDB
0.1.0
Added DepotManager.alias to configure aliases to storage. This allows easy migration from one storage to another by switching where the alias points.
Now UploadedFileField permits to specify upload_storage to link a Model Column to a specific storage.
Added policy and encrypt_key options to S3Storage to upload private and encrypted files.
0.0.6
Added host option to S3Storage to allow using providers different from AWS.
0.0.5
Added FileIntent to explicitly provide content_type and filename to uploaded content.
0.0.4
Added Content-Disposition header with original filename in WSGI middleware
0.0.3
Work-Around for issue with wsgi.file_wrapper provided by Waitress WSGI Server
0.0.2
Official Support for AWS S3 on Python3
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