def _deserialize_set(stream, member_transform):
# type: (io.BytesIO, Callable) -> List[Union[dynamodb_types.BINARY, dynamodb_types.STRING]]
"""Deserializes contents of serialized set.
:param stream: Stream containing serialized object
:type stream: io.BytesIO
:rtype: list
"""
member_count = decode_length(stream)
return sorted([member_transform(decode_value(stream)) for _ in range(member_count)])
def _deserialize_list(stream):
# type: (io.BytesIO) -> Dict[Text, dynamodb_types.LIST]
"""Deserializes a list object.
:param stream: Stream containing serialized object
:type stream: io.BytesIO
:rtype: dict
"""
member_count = decode_length(stream)
return {Tag.LIST.dynamodb_tag: [_deserialize(stream) for _ in range(member_count)]}
def _deserialize_list(stream):
# type: (io.BytesIO) -> Dict[Text, dynamodb_types.LIST]
# pylint: disable=no-member
# for some reason pylint can't follow the Enum member attributes
"""Deserializes a list object.
:param stream: Stream containing serialized object
:type stream: io.BytesIO
:rtype: dict
"""
member_count = decode_length(stream)
return {
Tag.LIST.dynamodb_tag:
[_deserialize(stream) for _ in range(member_count)]
}
def _deserialize_map(stream):
# type: (io.BytesIO) -> Dict[Text, dynamodb_types.MAP]
"""Deserializes a map object.
:param stream: Stream containing serialized object
:type stream: io.BytesIO
:rtype: dict
"""
member_count = decode_length(stream)
members = {} # type: dynamodb_types.MAP
for _ in range(member_count):
key = _deserialize(stream)
if Tag.STRING.dynamodb_tag not in key:
raise DeserializationError(
'Malformed serialized map: found "{}" as map key.'.format(list(key.keys())[0])
)
value = _deserialize(stream)
members[key[Tag.STRING.dynamodb_tag]] = value
return {Tag.MAP.dynamodb_tag: members}