def _serialize_list(_attribute):
# type: (dynamodb_types.LIST) -> bytes
"""
:param list _attribute: Attribute to serialize
:returns: Serialized _attribute
:rtype: bytes
"""
serialized_attribute = io.BytesIO()
serialized_attribute.write(_RESERVED)
serialized_attribute.write(Tag.LIST.tag)
serialized_attribute.write(encode_length(_attribute))
for member in _attribute:
serialized_attribute.write(serialize_attribute(member))
return serialized_attribute.getvalue()
def _serialize_list(_attribute):
# type: (dynamodb_types.LIST) -> bytes
# pylint: disable=no-member
# for some reason pylint can't follow the Enum member attributes
"""
:param list _attribute: Attribute to serialize
:returns: Serialized _attribute
:rtype: bytes
"""
serialized_attribute = io.BytesIO()
serialized_attribute.write(_RESERVED)
serialized_attribute.write(Tag.LIST.tag)
serialized_attribute.write(encode_length(_attribute))
for member in _attribute:
serialized_attribute.write(serialize_attribute(member))
return serialized_attribute.getvalue()
def _serialize_map(_attribute):
# type: (dynamodb_types.MAP) -> bytes
"""
:param list _attribute: Attribute to serialize
:returns: Serialized _attribute
:rtype: bytes
"""
serialized_attribute = io.BytesIO()
serialized_attribute.write(_RESERVED)
serialized_attribute.write(Tag.MAP.tag)
serialized_attribute.write(encode_length(_attribute))
sorted_items = _sorted_key_map(item=_attribute,
transform=_transform_string_value)
for key, value, _original_key in sorted_items:
serialized_attribute.write(_serialize_string(key))
serialized_attribute.write(serialize_attribute(value))
return serialized_attribute.getvalue()
def _serialize_map(_attribute):
# type: (dynamodb_types.MAP) -> bytes
"""
:param list _attribute: Attribute to serialize
:returns: Serialized _attribute
:rtype: bytes
"""
serialized_attribute = io.BytesIO()
serialized_attribute.write(_RESERVED)
# for some reason pylint can't follow the Enum member attributes
serialized_attribute.write(Tag.MAP.tag) # pylint: disable=no-member
serialized_attribute.write(encode_length(_attribute))
sorted_items = _sorted_key_map(item=_attribute, transform=_transform_string_value)
for key, value, _original_key in sorted_items:
serialized_attribute.write(_serialize_string(key))
serialized_attribute.write(serialize_attribute(value))
return serialized_attribute.getvalue()
def _serialize_set(tag, _attribute, member_function):
# type: (Tag, dynamodb_types.SET[dynamodb_types.ATTRIBUTE], Callable) -> bytes
"""
:param bytes tag: Tag to identify this set
:param set _attribute: Attribute to serialize
:param member_function: Serialization function for members
:returns: Serialized _attribute
:rtype: bytes
"""
serialized_attribute = io.BytesIO()
serialized_attribute.write(_RESERVED)
serialized_attribute.write(tag.tag)
serialized_attribute.write(encode_length(_attribute))
encoded_members = []
for member in _attribute:
encoded_members.append(member_function(member))
for member in sorted(encoded_members):
serialized_attribute.write(encode_value(member))
return serialized_attribute.getvalue()