v2.9.0

pydantic/pydantic

版本发布时间: 2024-09-05 23:40:01

pydantic/pydantic最新发布版本:v2.9.2(2024-09-17 22:59:21)

The code released in v2.9.0 is practically identical to that of v2.9.0b2.

Check out our blog post to learn more about the release highlights!

What's Changed

Packaging

Bump ruff to v0.5.0 and pyright to v1.1.369 by @sydney-runkle in #9801
Bump pydantic-extra-types to v2.9.0 by @sydney-runkle in #9832
Support compatibility with pdm v2.18.1 by @Viicos in #10138
Bump v1 version stub to v1.10.18 by @sydney-runkle in #10214
Bump pydantic-core to v2.23.2 by @sydney-runkle in #10311

New Features

Add support for ZoneInfo by @Youssefares in #9896
Add Config.val_json_bytes by @josh-newman in #9770
Add DSN for Snowflake by @aditkumar72 in #10128
Support complex number by @changhc in #9654
Add support for annotated_types.Not by @aditkumar72 in #10210
Allow WithJsonSchema to inject $refs w/ http or https links by @dAIsySHEng1 in #9863
Allow validators to customize validation JSON schema by @Viicos in #10094
Support parametrized PathLike types by @nix010 in #9764
Add tagged union serializer that attempts to use str or callable discriminators to select the correct serializer by @sydney-runkle in in pydantic/pydantic-core#1397

Changes

Breaking Change: Merge dict type json_schema_extra by @sydney-runkle in #9792
- For more info (how to replicate old behavior) on this change, see here
Refactor annotation injection for known (often generic) types by @sydney-runkle in #9979
Move annotation compatibility errors to validation phase by @sydney-runkle in #9999
Improve runtime errors for string constraints like pattern for incompatible types by @sydney-runkle in #10158
Remove 'allOf' JSON schema workarounds by @dpeachey in #10029
Remove typed_dict_cls data from CoreMetadata by @sydney-runkle in #10180
Deprecate passing a dict to the Examples class by @Viicos in #10181
Remove initial_metadata from internal metadata construct by @sydney-runkle in #10194
Use re.Pattern.search instead of re.Pattern.match for consistency with rust behavior by @tinez in pydantic/pydantic-core#1368
Show value of wrongly typed data in pydantic-core serialization warning by @BoxyUwU in pydantic/pydantic-core#1377
Breaking Change: in pydantic-core, change metadata type hint in core schemas from Any -> Dict[str, Any] | None by @sydney-runkle in pydantic/pydantic-core#1411
Raise helpful warning when self isn't returned from model validator by @sydney-runkle in #10255

Performance

Initial start at improving import times for modules, using caching primarily by @sydney-runkle in #10009
Using cached internal import for BaseModel by @sydney-runkle in #10013
Simplify internal generics logic - remove generator overhead by @sydney-runkle in #10059
Remove default module globals from types namespace by @sydney-runkle in #10123
Performance boost: skip caching parent namespaces in most cases by @sydney-runkle in #10113
Update ns stack with already copied ns by @sydney-runkle in #10267

Minor Internal Improvements

⚡️ Speed up multiple_of_validator() by 31% in pydantic/_internal/_validators.py by @misrasaurabh1 in #9839
⚡️ Speed up ModelPrivateAttr.__set_name__() by 18% in pydantic/fields.py by @misrasaurabh1 in #9841
⚡️ Speed up dataclass() by 7% in pydantic/dataclasses.py by @misrasaurabh1 in #9843
⚡️ Speed up function _field_name_for_signature by 37% in pydantic/_internal/_signature.py by @misrasaurabh1 in #9951
⚡️ Speed up method GenerateSchema._unpack_refs_defs by 26% in pydantic/_internal/_generate_schema.py by @misrasaurabh1 in #9949
⚡️ Speed up function apply_each_item_validators by 100% in pydantic/_internal/_generate_schema.py by @misrasaurabh1 in #9950
⚡️ Speed up method ConfigWrapper.core_config by 28% in pydantic/_internal/_config.py by @misrasaurabh1 in #9953

Fixes

Respect use_enum_values on Literal types by @kwint in #9787
Prevent type error for exotic BaseModel/RootModel inheritance by @dmontagu in #9913
Fix typing issue with field_validator-decorated methods by @dmontagu in #9914
Replace str type annotation with Any in validator factories in documentation on validators by @maximilianfellhuber in #9885
Fix ComputedFieldInfo.wrapped_property pointer when a property setter is assigned by @tlambert03 in #9892
Fix recursive typing of main.IncEnx by @tlambert03 in #9924
Allow usage of type[Annotated[...]] by @Viicos in #9932
mypy plugin: handle frozen fields on a per-field basis by @dmontagu in #9935
Fix typo in invalid-annotated-type error code by @sydney-runkle in #9948
Simplify schema generation for uuid, url, and ip types by @sydney-runkle in #9975
Move date schemas to _generate_schema.py by @sydney-runkle in #9976
Move decimal.Decimal validation to _generate_schema.py by @sydney-runkle in #9977
Simplify IP address schema in _std_types_schema.py by @sydney-runkle in #9959
Fix type annotations for some potentially generic GenerateSchema.match_type options by @sydney-runkle in #9961
Add class name to "has conflict" warnings by @msabramo in #9964
Fix dataclass ignoring default_factory passed in Annotated by @kc0506 in #9971
Fix Sequence ignoring discriminator by @kc0506 in #9980
Fix typing for IPvAnyAddress and IPvAnyInterface by @haoyun in #9990
Fix false positives on v1 models in mypy plugin for from_orm check requiring from_attributes=True config by @radekwlsk in #9938
Apply strict=True to __init__ in mypy plugin by @kc0506 in #9998
Refactor application of deque annotations by @sydney-runkle in #10018
Raise a better user error when failing to evaluate a forward reference by @Viicos in #10030
Fix evaluation of __pydantic_extra__ annotation in specific circumstances by @Viicos in #10070
Fix frozen enforcement for dataclasses by @sydney-runkle in #10066
Remove logic to handle unused __get_pydantic_core_schema__ signature by @Viicos in #10075
Use is_annotated consistently by @Viicos in #10095
Fix PydanticDeprecatedSince26 typo by @kc0506 in #10101
Improve pyright tests, refactor model decorators signatures by @Viicos in #10092
Fix ip serialization logic by @sydney-runkle in #10112
Warn when frozen defined twice for dataclasses by @mochi22 in #10082
Do not compute JSON Schema default when plain serializers are used with when_used set to 'json-unless-none' and the default value is None by @Viicos in #10121
Fix ImportString special cases by @sydney-runkle in #10137
Blacklist default globals to support exotic user code with __ prefixed annotations by @sydney-runkle in #10136
Handle nullable schemas with serialization schema available during JSON Schema generation by @Viicos in #10132
Reorganize BaseModel annotations by @kc0506 in #10110
Fix core schema simplification when serialization schemas are involved in specific scenarios by @Viicos in #10155
Add support for stringified annotations when using PrivateAttr with Annotated by @Viicos in #10157
Fix JSON Schema number type for literal and enum schemas by @Viicos in #10172
Fix JSON Schema generation of fields with plain validators in serialization mode by @Viicos in #10167
Fix invalid JSON Schemas being generated for functions in certain scenarios by @Viicos in #10188
Make sure generated JSON Schemas are valid in tests by @Viicos in #10182
Fix key error with custom serializer by @sydney-runkle in #10200
Add 'wss' for allowed schemes in NatsDsn by @swelborn in #10224
Fix Mapping and MutableMapping annotations to use mapping schema instead of dict schema by @sydney-runkle in #10020
Fix JSON Schema generation for constrained dates by @Viicos in #10185
Fix discriminated union bug regression when using enums by @kfreezen in pydantic/pydantic-core#1286
Fix field_serializer with computed field when using * by @nix010 in pydantic/pydantic-core#1349
Try each option in Union serializer before inference by @sydney-runkle in pydantic/pydantic-core#1398
Fix float serialization behavior in strict mode by @sydney-runkle in pydantic/pydantic-core#1400
Introduce exactness into Decimal validation logic to improve union validation behavior by @sydney-runkle in in pydantic/pydantic-core#1405
Fix new warnings assertions to use pytest.warns() by @mgorny in #10241
Fix a crash when cleaning the namespace in ModelMetaclass by @Viicos in #10242
Fix parent namespace issue with model rebuilds by @sydney-runkle in #10257
Remove defaults filter for namespace by @sydney-runkle in #10261
Use identity instead of equality after validating model in __init__ by @Viicos in #10264
Support BigInt serialization for int subclasses by @kxx317 in pydantic/pydantic-core#1417
Support signature for wrap validators without info by @sydney-runkle in #10277
Ensure __pydantic_complete__ is set when rebuilding dataclasses by @Viicos in #10291
Respect schema_generator config value in TypeAdapter by @sydney-runkle in #10300

New Contributors

`pydantic`

@kwint made their first contribution in #9787
@seekinginfiniteloop made their first contribution in #9822
@a-alexander made their first contribution in #9848
@maximilianfellhuber made their first contribution in #9885
@karmaBonfire made their first contribution in #9945
@s-rigaud made their first contribution in #9958
@msabramo made their first contribution in #9964
@DimaCybr made their first contribution in #9972
@kc0506 made their first contribution in #9971
@haoyun made their first contribution in #9990
@radekwlsk made their first contribution in #9938
@dpeachey made their first contribution in #10029
@BoxyUwU made their first contribution in #10085
@mochi22 made their first contribution in #10082
@aditkumar72 made their first contribution in #10128
@changhc made their first contribution in #9654
@insumanth made their first contribution in #10229
@AdolfoVillalobos made their first contribution in #10240
@bllchmbrs made their first contribution in #10270

`pydantic-core`

@kfreezen made their first contribution in pydantic/pydantic-core#1286
@tinez made their first contribution in pydantic/pydantic-core#1368
@fft001 made their first contribution in pydantic/pydantic-core#1362
@nix010 made their first contribution in pydantic/pydantic-core#1349
@BoxyUwU made their first contribution in pydantic/pydantic-core#1379
@candleindark made their first contribution in pydantic/pydantic-core#1404
@changhc made their first contribution in pydantic/pydantic-core#1331

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