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# Copyright 2010-2012 OpenStack Foundation
# Copyright 2013 Nebula Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
"""Object v1 API library"""
import six
try:
from urllib.parse import urlparse # noqa
except ImportError:
from urlparse import urlparse # noqa
def create_object(
session,
url,
container,
object,
):
"""Create an object, upload it to a container
:param session: a restapi object
:param url: endpoint
:param container: name of container to store object
:param object: local path to object
:returns: dict of returned headers
"""
full_url = "%s/%s/%s" % (url, container, object)
response = session.put(full_url, data=open(object))
url_parts = urlparse(url)
data = {
'account': url_parts.path.split('/')[-1],
'container': container,
'object': object,
'x-trans-id': response.headers.get('X-Trans-Id', None),
'etag': response.headers.get('Etag', None),
}
return data
def delete_object(
session,
url,
container,
object,
):
"""Delete an object stored in a container
:param session: a restapi object
:param url: endpoint
:param container: name of container that stores object
:param container: name of object to delete
"""
session.delete("%s/%s/%s" % (url, container, object))
def list_objects(
session,
url,
container,
marker=None,
limit=None,
end_marker=None,
delimiter=None,
prefix=None,
path=None,
full_listing=False,
):
"""Get objects in a container
:param session: a restapi object
:param url: endpoint
:param container: container name to get a listing for
:param marker: marker query
:param limit: limit query
:param end_marker: marker query
:param delimiter: string to delimit the queries on
:param prefix: prefix query
:param path: path query (equivalent: "delimiter=/" and "prefix=path/")
:param full_listing: if True, return a full listing, else returns a max
of 10000 listings
:returns: a tuple of (response headers, a list of objects) The response
headers will be a dict and all header names will be lowercase.
"""
if full_listing:
data = listing = list_objects(
session,
url,
container,
marker,
limit,
end_marker,
delimiter,
prefix,
path,
)
while listing:
if delimiter:
marker = listing[-1].get('name', listing[-1].get('subdir'))
else:
marker = listing[-1]['name']
listing = list_objects(
session,
url,
container,
marker,
limit,
end_marker,
delimiter,
prefix,
path,
)
if listing:
data.extend(listing)
return data
params = {
'format': 'json',
}
if marker:
params['marker'] = marker
if limit:
params['limit'] = limit
if end_marker:
params['end_marker'] = end_marker
if delimiter:
params['delimiter'] = delimiter
if prefix:
params['prefix'] = prefix
if path:
params['path'] = path
requrl = "%s/%s" % (url, container)
return session.get(requrl, params=params).json()
def show_object(
session,
url,
container,
obj,
):
"""Get object details
:param session: a restapi object
:param url: endpoint
:param container: container name to get a listing for
:returns: dict of object properties
"""
response = session.head("%s/%s/%s" % (url, container, obj))
data = {
'account': response.headers.get('x-container-meta-owner', None),
'container': container,
'object': obj,
'content-type': response.headers.get('content-type', None),
}
if 'content-length' in response.headers:
data['content-length'] = response.headers.get('content-length', None)
if 'last-modified' in response.headers:
data['last-modified'] = response.headers.get('last-modified', None)
if 'etag' in response.headers:
data['etag'] = response.headers.get('etag', None)
if 'x-object-manifest' in response.headers:
data['x-object-manifest'] = response.headers.get(
'x-object-manifest', None)
for key, value in six.iteritems(response.headers):
if key.startswith('x-object-meta-'):
data[key[len('x-object-meta-'):].lower()] = value
elif key not in (
'content-type', 'content-length', 'last-modified',
'etag', 'date', 'x-object-manifest', 'x-container-meta-owner'):
data[key.lower()] = value
return data
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