Source code for duplicity.backends.mediafirebackend

# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4; encoding:utf-8 -*-
# Copyright 2016 Roman Yepishev <>
# This file is part of duplicity.
# Duplicity is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
# Duplicity is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with duplicity; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

u"""MediaFire Duplicity Backend"""

from builtins import str

import os

import duplicity.backend
from duplicity import util
from duplicity.errors import BackendException


[docs]class MediafireBackend(duplicity.backend.Backend): u"""Use this backend when saving to MediaFire URLs look like mf:/root/folder. """
[docs] def __init__(self, parsed_url): try: import mediafire.client except ImportError as e: raise BackendException(u"""\ Mediafire backend requires the mediafire library. Exception: %s""" % str(e)) duplicity.backend.Backend.__init__(self, parsed_url) mediafire_email = parsed_url.username mediafire_password = self.get_password() self._file_res = mediafire.client.File self._folder_res = mediafire.client.Folder self._downloaderror_exc = mediafire.client.DownloadError self._notfound_exc = mediafire.client.ResourceNotFoundError self.client = mediafire.client.MediaFireClient() self.client.login(app_id=DUPLICITY_APP_ID, email=mediafire_email, password=mediafire_password) # //username:password@host/path/to/folder -> path/to/folder uri = u'mf:///' + parsed_url.path.split(u'/', 3)[3] # Create folder if it does not exist and make sure it is private # See MediaFire Account Settings /Security and Privacy / Share Link # to set "Inherit from parent folder" try: folder = self.client.get_resource_by_uri(uri) if not isinstance(folder, self._folder_res): raise BackendException(u"target_url already exists " u"and is not a folder") except mediafire.client.ResourceNotFoundError: # force folder to be private folder = self.client.create_folder(uri, recursive=True) self.client.update_folder_metadata(uri, privacy=u'private') self.folder = folder
[docs] def _put(self, source_path, remote_filename=None): u"""Upload file""" # Use source file name if remote one is not defined if remote_filename is None: remote_filename = os.path.basename( uri = self._build_uri(remote_filename) with self.client.upload_session(): self.client.upload_file('rb'), uri)
[docs] def _get(self, filename, local_path): u"""Download file""" uri = self._build_uri(filename) try: self.client.download_file(uri,'wb')) except self._downloaderror_exc as ex: raise BackendException(ex)
[docs] def _list(self): u"""List files in backup directory""" uri = self._build_uri() filenames = [] for item in self.client.get_folder_contents_iter(uri): if not isinstance(item, self._file_res): continue filenames.append(item[u'filename'].encode(u'utf-8')) return filenames
[docs] def _delete(self, filename): u"""Delete single file""" uri = self._build_uri(filename) self.client.delete_file(uri, purge=config.mf_purge)
[docs] def _delete_list(self, filename_list): u"""Delete list of files""" for filename in filename_list: self._delete(filename)
[docs] def _query(self, filename): u"""Stat the remote file""" uri = self._build_uri(filename) try: resource = self.client.get_resource_by_uri(uri) size = int(resource[u'size']) except self._notfound_exc: size = -1 return {u'size': size}
[docs] def _build_uri(self, filename=u''): u"""Build relative URI""" return ( u'mf:' + self.folder[u"folderkey"] + (u'/' + util.fsdecode(filename)) )
duplicity.backend.register_backend(u"mf", MediafireBackend)