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'''
rackspace.py - this file is part of S3QL (http://s3ql.googlecode.com)
Copyright © 2008 Nikolaus Rath <Nikolaus@rath.org>
This program can be distributed under the terms of the GNU GPLv3.
'''
from ..logging import logging, QuietError # Ensure use of custom logger class
from . import swiftks
from ..inherit_docstrings import copy_ancestor_docstring
import re
log = logging.getLogger(__name__)
class Backend(swiftks.Backend):
"""A backend to store data in Rackspace CloudFiles"""
@staticmethod
@copy_ancestor_docstring
def _parse_storage_url(storage_url, ssl_context):
hit = re.match(r'^rackspace://' # Backend
r'([^/:]+)' # Region
r'/([^/]+)' # Bucketname
r'(?:/(.*))?$', # Prefix
storage_url)
if not hit:
raise QuietError('Invalid storage URL', exitcode=2)
region = hit.group(1)
containername = hit.group(2)
prefix = hit.group(3) or ''
if ssl_context:
port = 443
else:
port = 80
return ('auth.api.rackspacecloud.com', port, region, containername, prefix)
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