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https://github.com/openkmip/pykmip
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Update the GetAttributeList payloads
This change makes minor updates to the GetAttributeList payloads, fixing error messages, comments, and local variable names to comply with the current payload format. The corresponding unit test suite has been updated to reflect these changes. This change prepares the GetAttributeList payloads for future updates to support KMIP 2.0.
This commit is contained in:
Peter Hamilton
committed by
Peter Hamilton
Peter Hamilton
parent
35b2381341
commit
05f4d7aef4
@@ -16,6 +16,7 @@
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import six
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from kmip.core import enums
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from kmip.core import exceptions
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from kmip.core import primitives
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from kmip.core import utils
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@@ -66,59 +67,67 @@ class GetAttributeListRequestPayload(primitives.Struct):
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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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raise TypeError("Unique identifier must be a string.")
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def read(self, istream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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def read(self, input_buffer, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Read the data encoding the GetAttributeList request payload and decode
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it into its constituent parts.
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Args:
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istream (stream): A data stream containing encoded object data,
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supporting a read method; usually a BytearrayStream object.
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input_buffer (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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"""
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super(GetAttributeListRequestPayload, self).read(
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istream,
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input_buffer,
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kmip_version=kmip_version
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)
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tstream = utils.BytearrayStream(istream.read(self.length))
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local_buffer = utils.BytearrayStream(input_buffer.read(self.length))
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if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, tstream):
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if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, local_buffer):
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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(tstream, kmip_version=kmip_version)
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self._unique_identifier.read(
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local_buffer,
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kmip_version=kmip_version
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)
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else:
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self._unique_identifier = None
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self.is_oversized(tstream)
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self.is_oversized(local_buffer)
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def write(self, ostream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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def write(self, output_buffer, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Write the data encoding the GetAttributeList request payload to a
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stream.
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Args:
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ostream (stream): A data stream in which to encode object data,
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supporting a write method; usually a BytearrayStream object.
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output_buffer (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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"""
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tstream = utils.BytearrayStream()
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local_buffer = utils.BytearrayStream()
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if self._unique_identifier:
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self._unique_identifier.write(tstream, kmip_version=kmip_version)
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self._unique_identifier.write(
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local_buffer,
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kmip_version=kmip_version
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)
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self.length = tstream.length()
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self.length = local_buffer.length()
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super(GetAttributeListRequestPayload, self).write(
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ostream,
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output_buffer,
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kmip_version=kmip_version
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)
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ostream.write(tstream.buffer)
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output_buffer.write(local_buffer.buffer)
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def __repr__(self):
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uid = "unique_identifier={0}".format(self.unique_identifier)
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@@ -199,7 +208,7 @@ class GetAttributeListResponsePayload(primitives.Struct):
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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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raise TypeError("Unique identifier must be a string.")
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@property
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def attribute_names(self):
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@@ -221,7 +230,7 @@ class GetAttributeListResponsePayload(primitives.Struct):
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name = value[i]
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if not isinstance(name, six.string_types):
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raise TypeError(
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"attribute_names must be a list of strings; "
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"Attribute names must be a list of strings; "
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"item {0} has type {1}".format(i + 1, type(name))
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)
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if name not in names:
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@@ -235,69 +244,104 @@ class GetAttributeListResponsePayload(primitives.Struct):
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)
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)
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else:
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raise TypeError("attribute_names must be a list of strings")
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raise TypeError("Attribute names must be a list of strings.")
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def read(self, istream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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def read(self, input_buffer, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Read the data encoding the GetAttributeList response payload and
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decode it into its constituent parts.
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Args:
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istream (stream): A data stream containing encoded object data,
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supporting a read method; usually a BytearrayStream object.
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input_buffer (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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InvalidKmipEncoding: Raised if the unique identifier or attribute
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names are missing from the encoded payload.
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"""
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super(GetAttributeListResponsePayload, self).read(
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istream,
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input_buffer,
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kmip_version=kmip_version
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)
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tstream = utils.BytearrayStream(istream.read(self.length))
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local_buffer = utils.BytearrayStream(input_buffer.read(self.length))
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if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, tstream):
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if self.is_tag_next(enums.Tags.UNIQUE_IDENTIFIER, local_buffer):
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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(tstream, kmip_version=kmip_version)
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self._unique_identifier.read(
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local_buffer,
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kmip_version=kmip_version
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)
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else:
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self._unique_identifier = None
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raise exceptions.InvalidKmipEncoding(
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"The GetAttributeList response payload encoding is missing "
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"the unique identifier."
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)
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names = list()
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while self.is_tag_next(enums.Tags.ATTRIBUTE_NAME, tstream):
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while self.is_tag_next(enums.Tags.ATTRIBUTE_NAME, local_buffer):
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name = primitives.TextString(tag=enums.Tags.ATTRIBUTE_NAME)
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name.read(tstream, kmip_version=kmip_version)
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name.read(local_buffer, kmip_version=kmip_version)
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names.append(name)
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if len(names) == 0:
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raise exceptions.InvalidKmipEncoding(
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"The GetAttributeList response payload encoding is missing "
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"the attribute names."
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)
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self._attribute_names = names
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self.is_oversized(tstream)
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self.is_oversized(local_buffer)
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def write(self, ostream, kmip_version=enums.KMIPVersion.KMIP_1_0):
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def write(self, output_buffer, kmip_version=enums.KMIPVersion.KMIP_1_0):
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"""
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Write the data encoding the GetAttributeList response payload to a
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stream.
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Args:
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ostream (stream): A data stream in which to encode object data,
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supporting a write method; usually a BytearrayStream object.
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output_buffer (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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InvalidField: Raised if the unique identifier or attribute name
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are not defined.
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"""
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tstream = utils.BytearrayStream()
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local_buffer = utils.BytearrayStream()
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if self._unique_identifier:
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self._unique_identifier.write(tstream, kmip_version=kmip_version)
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self._unique_identifier.write(
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local_buffer,
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kmip_version=kmip_version
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)
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else:
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raise exceptions.InvalidField(
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"The GetAttributeList response payload is missing the unique "
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"identifier field."
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)
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for attribute_name in self._attribute_names:
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attribute_name.write(tstream, kmip_version=kmip_version)
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if self._attribute_names:
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for attribute_name in self._attribute_names:
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attribute_name.write(local_buffer, kmip_version=kmip_version)
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else:
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raise exceptions.InvalidField(
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"The GetAttributeList response payload is missing the "
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"attribute names field."
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)
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self.length = tstream.length()
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self.length = local_buffer.length()
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super(GetAttributeListResponsePayload, self).write(
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ostream,
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output_buffer,
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kmip_version=kmip_version
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)
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ostream.write(tstream.buffer)
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output_buffer.write(local_buffer.buffer)
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def __repr__(self):
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unique_identifier = "unique_identifier={0}".format(
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