Current File : //usr/lib/python3/dist-packages/duplicity/backends/hubicbackend.py
# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4; encoding:utf-8 -*-
#
# Copyright 2013 J.P. Krauss <jkrauss@asymworks.com>
#
# 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# 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
import os
import duplicity.backend
from duplicity import log
from duplicity import util
from duplicity.errors import BackendException
from ._cf_pyrax import PyraxBackend
class HubicBackend(PyraxBackend):
"""
Backend for Hubic using Pyrax
"""
def __init__(self, parsed_url):
duplicity.backend.Backend.__init__(self, parsed_url)
try:
import pyrax
except ImportError as e:
raise BackendException(
f"""Hubic backend requires the pyrax library available from Rackspace.
Exception: {str(e)}"""
)
# Inform Pyrax that we're talking to Hubic
pyrax.set_setting("identity_type", "duplicity.backends.pyrax_identity.hubic.HubicIdentity")
CREDENTIALS_FILE = os.path.expanduser("~/.hubic_credentials")
if os.path.exists(CREDENTIALS_FILE):
try:
pyrax.set_credential_file(CREDENTIALS_FILE)
except Exception as e:
log.FatalError(
f"Connection failed, please check your credentials: " f"{e.__class__.__name__} {util.uexc(e)}",
log.ErrorCode.connection_failed,
)
else:
raise BackendException("No ~/.hubic_credentials file found.")
container = parsed_url.path.lstrip("/")
self.client_exc = pyrax.exceptions.ClientException
self.nso_exc = pyrax.exceptions.NoSuchObject
self.container = pyrax.cloudfiles.create_container(container)
duplicity.backend.register_backend("cf+hubic", HubicBackend)
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