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"""
fs.expose.django
================
Use an FS object for Django File Storage
This module exposes the class "FSStorage", a simple adapter for using FS
objects as Django storage objects. Simply include the following lines
in your settings.py::
DEFAULT_FILE_STORAGE = fs.expose.django_storage.FSStorage
DEFAULT_FILE_STORAGE_FS = OSFS('foo/bar') # Or whatever FS
"""
from django.conf import settings
from django.core.files.storage import Storage
from django.core.files import File
from fs.path import abspath, dirname
from fs.errors import convert_fs_errors, ResourceNotFoundError
class FSStorage(Storage):
"""Expose an FS object as a Django File Storage object."""
def __init__(self, fs=None, base_url=None):
"""
:param fs: an FS object
:param base_url: The url to prepend to the path
"""
if fs is None:
fs = settings.DEFAULT_FILE_STORAGE_FS
if base_url is None:
base_url = settings.MEDIA_URL
base_url = base_url.rstrip('/')
self.fs = fs
self.base_url = base_url
def exists(self, name):
return self.fs.isfile(name)
def path(self, name):
path = self.fs.getsyspath(name)
if path is None:
raise NotImplementedError
return path
@convert_fs_errors
def size(self, name):
return self.fs.getsize(name)
@convert_fs_errors
def url(self, name):
return self.base_url + abspath(name)
@convert_fs_errors
def _open(self, name, mode):
return File(self.fs.open(name, mode))
@convert_fs_errors
def _save(self, name, content):
self.fs.makedir(dirname(name), allow_recreate=True, recursive=True)
self.fs.setcontents(name, content)
return name
@convert_fs_errors
def delete(self, name):
try:
self.fs.remove(name)
except ResourceNotFoundError:
pass
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