mirror of
https://github.com/OpenKMIP/PyKMIP.git
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77d5b32ea4
This change adds payload request and response base classes to prepare for future simplification updates to the current client architecture. No new tests are required for this change.
280 lines
9.1 KiB
Python
280 lines
9.1 KiB
Python
# Copyright (c) 2017 The Johns Hopkins University/Applied Physics Laboratory
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import six
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from kmip import enums
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from kmip.core import primitives
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from kmip.core import utils
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from kmip.core.messages.payloads import base
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class RecoverRequestPayload(base.RequestPayload):
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"""
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A request payload for the Recover operation.
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Attributes:
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unique_identifier: The unique ID of the object to recover.
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"""
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def __init__(self, unique_identifier=None):
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"""
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Construct a Recover request payload struct.
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Args:
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unique_identifier (string): The ID of the managed object (e.g.,
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a public key) to recover. Optional, defaults to None.
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"""
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super(RecoverRequestPayload, self).__init__()
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self._unique_identifier = None
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self.unique_identifier = unique_identifier
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@property
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def unique_identifier(self):
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if self._unique_identifier:
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return self._unique_identifier.value
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else:
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return None
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@unique_identifier.setter
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def unique_identifier(self, value):
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if value is None:
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self._unique_identifier = None
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elif isinstance(value, six.string_types):
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self._unique_identifier = primitives.TextString(
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value=value,
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tag=enums.Tags.UNIQUE_IDENTIFIER
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)
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else:
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raise TypeError("Unique identifier must be a string.")
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def read(self, input_stream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Read the data encoding the Recover request payload and decode it into
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its constituent parts.
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Args:
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input_stream (stream): A data stream containing encoded object
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data, supporting a read method; usually a BytearrayStream
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object.
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kmip_version (KMIPVersion): An enumeration defining the KMIP
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version with which the object will be decoded. Optional,
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defaults to KMIP 1.0.
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Raises:
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ValueError: Raised if the data attribute is missing from the
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encoded payload.
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"""
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super(RecoverRequestPayload, self).read(
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input_stream,
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kmip_version=kmip_version
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)
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local_stream = utils.BytearrayStream(input_stream.read(self.length))
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if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, local_stream):
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self._unique_identifier = primitives.TextString(
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tag=enums.Tags.UNIQUE_IDENTIFIER
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)
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self._unique_identifier.read(
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local_stream,
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kmip_version=kmip_version
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)
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self.is_oversized(local_stream)
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def write(self, output_stream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Write the data encoding the Recover request payload to a stream.
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Args:
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output_stream (stream): A data stream in which to encode object
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data, supporting a write method; usually a BytearrayStream
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object.
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kmip_version (KMIPVersion): An enumeration defining the KMIP
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version with which the object will be encoded. Optional,
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defaults to KMIP 1.0.
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Raises:
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ValueError: Raised if the data attribute is not defined.
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"""
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local_stream = utils.BytearrayStream()
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if self._unique_identifier:
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self._unique_identifier.write(
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local_stream,
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kmip_version=kmip_version
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)
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self.length = local_stream.length()
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super(RecoverRequestPayload, self).write(
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output_stream,
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kmip_version=kmip_version
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)
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output_stream.write(local_stream.buffer)
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def __eq__(self, other):
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if isinstance(other, RecoverRequestPayload):
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if self.unique_identifier != other.unique_identifier:
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return False
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else:
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return True
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else:
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return NotImplemented
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def __ne__(self, other):
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if isinstance(other, RecoverRequestPayload):
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return not (self == other)
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else:
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return NotImplemented
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def __repr__(self):
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args = "unique_identifier='{0}'".format(self.unique_identifier)
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return "RecoverRequestPayload({0})".format(args)
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def __str__(self):
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return str({
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'unique_identifier': self.unique_identifier
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})
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class RecoverResponsePayload(base.ResponsePayload):
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"""
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A response payload for the Recover operation.
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Attributes:
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unique_identifier: The unique ID of the object that was recovered.
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"""
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def __init__(self, unique_identifier=None):
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"""
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Construct a Recover response payload struct.
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Args:
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unique_identifier (string): The ID of the managed object (e.g.,
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a public key) that was recovered. Optional, defaults to None.
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"""
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super(RecoverResponsePayload, self).__init__()
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self._unique_identifier = None
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self.unique_identifier = unique_identifier
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@property
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def unique_identifier(self):
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if self._unique_identifier:
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return self._unique_identifier.value
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else:
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return None
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@unique_identifier.setter
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def unique_identifier(self, value):
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if value is None:
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self._unique_identifier = None
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elif isinstance(value, six.string_types):
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self._unique_identifier = primitives.TextString(
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value=value,
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tag=enums.Tags.UNIQUE_IDENTIFIER
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)
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else:
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raise TypeError("Unique identifier must be a string.")
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def read(self, input_stream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Read the data encoding the Recover response payload and decode it
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into its constituent parts.
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Args:
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input_stream (stream): A data stream containing encoded object
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data, supporting a read method; usually a BytearrayStream
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object.
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kmip_version (KMIPVersion): An enumeration defining the KMIP
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version with which the object will be decoded. Optional,
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defaults to KMIP 1.0.
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Raises:
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ValueError: Raised if the data attribute is missing from the
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encoded payload.
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"""
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super(RecoverResponsePayload, self).read(
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input_stream,
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kmip_version=kmip_version
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)
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local_stream = utils.BytearrayStream(input_stream.read(self.length))
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if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, local_stream):
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self._unique_identifier = primitives.TextString(
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tag=enums.Tags.UNIQUE_IDENTIFIER
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)
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self._unique_identifier.read(
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local_stream,
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kmip_version=kmip_version
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)
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self.is_oversized(local_stream)
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def write(self, output_stream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Write the data encoding the Recover response payload to a stream.
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Args:
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output_stream (stream): A data stream in which to encode object
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data, supporting a write method; usually a BytearrayStream
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object.
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kmip_version (KMIPVersion): An enumeration defining the KMIP
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version with which the object will be encoded. Optional,
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defaults to KMIP 1.0.
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Raises:
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ValueError: Raised if the data attribute is not defined.
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"""
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local_stream = utils.BytearrayStream()
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if self._unique_identifier:
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self._unique_identifier.write(
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local_stream,
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kmip_version=kmip_version
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)
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self.length = local_stream.length()
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super(RecoverResponsePayload, self).write(
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output_stream,
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kmip_version=kmip_version
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)
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output_stream.write(local_stream.buffer)
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def __eq__(self, other):
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if isinstance(other, RecoverResponsePayload):
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if self.unique_identifier != other.unique_identifier:
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return False
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else:
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return True
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else:
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return NotImplemented
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def __ne__(self, other):
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if isinstance(other, RecoverResponsePayload):
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return not (self == other)
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else:
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return NotImplemented
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def __repr__(self):
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args = "unique_identifier='{0}'".format(self.unique_identifier)
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return "RecoverResponsePayload({0})".format(args)
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def __str__(self):
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return str({
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'unique_identifier': self.unique_identifier,
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})
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