v3.8

Changes

• Added new Discriminator type for discriminated unions and subclasses support, see documentation (#106)
• Added ability to pass custom context from to_* methods to the hooks, see documentation (#110)
• Types enclosed in Annotated are now different from unenclosed ones in serialization_strategy, see documentation (#115)
• Added new lazy_compilation config option that can reduce import time and speed up deserialization, see documentation
• Added support for Final types (#107)
• Fixed support for Literal on Python 3.9.0 (#103)
• Added workaround for mypy problem python/mypy#3186 in JSON Schema number constraints
• Fixed type substitutions in generic SerializableType when TypeVars were mixed with ordinary types in _serialize / _deserialize annotations
• Fixed an issue where a sentinel value dataclasses.KW_ONLY resulted in UnserializableDataError
• Fixed an issue where passing a user-defined dict-like object to from_dict method could result in unhandled exceptions
• Speeded up dataclass instantiation
• Speeded up deserialization of fields with default values if they are missing in the input data

v3.7

Changes

• Added "omit" serialization engine to skip the field during serialization
• Added ref_prefix parameter to build_json_schema and JSONSchemaBuilder to change reference prefix
• Fixed adding dataclass field alias to JSON Schema "required" keyword value. See #101.

v3.6

Changes

• Added JSON Schema generation functionality 🎉 (see documentation)
  • Draft 2022-12 and OpenAPI Specification 3.1.0
  • Validation keywords using typing.Annotated
  • No mixin required

v3.5

Changes

• Added possibility to define a generic serialization method for a generic type by registering a method for its origin type
• Improved support for third-party generic types by writing a generic SerializationStrategy (details)
• Improved writing SerializationStrategy methods by optional use_annotations=True (details)
• Classes defining __class_getitem__ methods will now be treated as generic types according to PEP 560

v3.4

Changes

• Added support for typing.DefaultDict / collections.defaultdict
• Added support for generic TypedDict and generic NamedTuple
• Speeded up the generated code for deserialization of fields that could be None

v3.3.1

Changes

• Fixed UnresolvedTypeReferenceErrorwhen postponed annotations were used and parent generic dataclass was defined in different module. See #90.
• Fixed recursion error for self-referenced generic dataclasses. See #91.
• Fixed inconsistent application of serialization_strategy appeared in version 3.2. See #93.

v3.3

Changes

• Added ability to use annotations inside SerializableType to simplify dealing with generic types (see updated documentation)
• Added support for user-defined variadic generic types and dataclasses, TypeVarTuple and Unpack from PEP 646
• Fixed serialization / deserialization of Tuple[()] on python 3.11
• Changed type name for Tuple[T, ...] from "Tuple[T, Ellipsis]" to "Tuple[T, ...]"

v3.2

Changes

• Added support for PEP 655
• Added skipping None value fields on serialization to TOML format. See #85.
• Added new omit_none config option
• Added new omit_none dialect option
• Removed allowance to pass None values to fields that can't be None according to their type
• Speeded up the generated code
• Dropped Python 3.6 support

v3.1.1

Changes

• Fixed using compiled mixins with inheritance. See #87.

v3.1

Changes

• Added support for Python 3.11
• Added support for typing.Self and typing_extensions.Self
• In addition to from_dict and to_dict, methods in other mixins can also be compiled now
• Increased speed of serialization and deserialization in MessagePack when using DataClassMessagePackMixin:
  • Removed the implicit inclusion of the ADD_DIALECT_SUPPORT config option when using DataClassMessagePackMixin
  • Methods from_msgpack and to_msgpack are now compiled
• Added DataClassORJSONMixin to use a third-party orjson library that will handle supported data types by itself
  • Added new orjson_options config option to change default options passing to orjson.dumps method
  • Methods to_jsonb and to_json have orjson_options keyword argument to override the default options
• Added support for TOML format using DataClassTOMLMixin