# 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.
from ecl.object_store.v1 import _base
from ecl import resource
[docs]class Container(_base.BaseResource):
_custom_metadata_prefix = "X-Container-Meta-"
_system_metadata = {
"content_type": "content-type",
"is_content_type_detected": "x-detect-content-type",
"versions_location": "x-versions-location",
"read_ACL": "x-container-read",
"write_ACL": "x-container-write",
"sync_to": "x-container-sync-to",
"sync_key": "x-container-sync-key"
}
base_path = "/"
id_attribute = "name"
allow_create = True
allow_retrieve = True
allow_update = True
allow_delete = True
allow_list = True
allow_head = True
# Container body data (when id=None)
#: The name of the container.
name = resource.prop("name")
#: The number of objects in the container.
count = resource.prop("count")
#: The total number of bytes that are stored in Object Storage
#: for the container.
bytes = resource.prop("bytes")
# Container metadata (when id=name)
#: The number of objects.
object_count = resource.header("x-container-object-count", type=int)
#: The count of bytes used in total.
bytes_used = resource.header("x-container-bytes-used", type=int)
#: The timestamp of the transaction.
timestamp = resource.header("x-timestamp")
# Request headers (when id=None)
#: If set to True, Object Storage queries all replicas to return the
#: most recent one. If you omit this header, Object Storage responds
#: faster after it finds one valid replica. Because setting this
#: header to True is more expensive for the back end, use it only
#: when it is absolutely needed. *Type: bool*
is_newest = resource.header("x-newest", type=bool)
# Request headers (when id=name)
#: The ACL that grants read access. If not set, this header is not
#: returned by this operation.
read_ACL = resource.header("x-container-read")
#: The ACL that grants write access. If not set, this header is not
#: returned by this operation.
write_ACL = resource.header("x-container-write")
#: The destination for container synchronization. If not set,
#: this header is not returned by this operation.
sync_to = resource.header("x-container-sync-to")
#: The secret key for container synchronization. If not set,
#: this header is not returned by this operation.
sync_key = resource.header("x-container-sync-key")
#: Enables versioning on this container. The value is the name
#: of another container. You must UTF-8-encode and then URL-encode
#: the name before you include it in the header. To disable
#: versioning, set the header to an empty string.
versions_location = resource.header("x-versions-location")
#: The MIME type of the list of names.
content_type = resource.header("content-type")
#: If set to true, Object Storage guesses the content type based
#: on the file extension and ignores the value sent in the
#: Content-Type header, if present. *Type: bool*
is_content_type_detected = resource.header("x-detect-content-type",
type=bool)
#: In combination with Expect: 100-Continue, specify an
#: "If-None-Match: \*" header to query whether the server already
#: has a copy of the object before any data is sent.
if_none_match = resource.header("if-none-match")
@classmethod
[docs] def create_by_id(cls, session, attrs, resource_id=None):
"""Create a Resource from its attributes.
:param session: The session to use for making this request.
:type session: :class:`~ecl.session.Session`
:param dict attrs: The attributes to be sent in the body
of the request.
:param resource_id: This resource's identifier, if needed by
the request. The default is ``None``.
:return: A ``dict`` representing the response headers.
"""
url = cls._get_url(None, resource_id)
headers = attrs.get(resource.HEADERS, dict())
headers['Accept'] = ''
return session.put(url, endpoint_filter=cls.service,
headers=headers).headers
[docs] def create(self, session):
"""Create a Resource from this instance.
:param session: The session to use for making this request.
:type session: :class:`~ecl.session.Session`
:return: This instance.
"""
resp = self.create_by_id(session, self._attrs, self.id)
self.set_headers(resp)
self._reset_dirty()
return self