v2.0b1 2023-06-01

What's Changed

• Replace deprecated validator usage by @Viicos in #5712
• Use typing.Self for @classmethod constructors by @Viicos in #5713
• Improve usage errors by @hramezani in #5699
• ⚡ Speedup ModelPrivateAttr by @lig in #5709
• Updates model docstrings by @tpdorsey in #5715
• Re-organize exports for new validators and serializers by @adriangb in #5641
• Replace TypeError with ValidationError in forzen model by @hramezani in #5717
• ✅ Improve internal validators test coverage by @lig in #5700
• Generate separate JSON schema for inputs vs. outputs by @dmontagu in #5707
• Add PastDatetime and FutureDatetime types by @hramezani in #5720
• Uprev pydantic-core to 0.31.0 by @adriangb in #5727
• Fix typo in error message by @hramezani in #5734
• Fix use of None as type of private attribute by @dmontagu in #5735
• Models usage docs revisions by @tpdorsey in #5738
• Don't try to automatically handle subclasses of known types by @adriangb in #5737
• ✅ Improve test coverage by @lig in #5710
• Improve validation errors doc by @hramezani in #5733
• Make usage errors code blocks testable. by @hramezani in #5743
• Respect config.alias_generator in pydantic dataclass by @hramezani in #5673
• Fix typo in error code by @hramezani in #5748
• updates to errors and fields docstrings by @tpdorsey in #5746
• correct deprecated warning message in _copy_and_set_values method by @rmargar in #5753
• ✅ Improve test coverage by @lig in #5742
• Eliminate the undefined types warning by @dmontagu in #5754
• Fixes typo in documentation by @halfdanrump in #5756
• Do not try to automatically handle subclasses of mappings by @adriangb in #5744
• Add lig to the reviewers list by @lig in #5759
• Generate JSON schema for Sequence[T] as though it was List[T] by @dmontagu in #5706
• Remove xfail from tests.test_edge_cases.test_custom_generic_validators by @dmontagu in #5764
• Add pydantic-settings test to CI by @hramezani in #5758
• stop BaseModel inheriting from _repr.Representation by @samuelcolvin in #5740
• Edits for Usage Error documentation by @tpdorsey in #5774
• Add protected namespaces by @hramezani in #5768
• More docstrings edits - json schema and functional serializers by @tpdorsey in #5762
• add api docs for pydantic-core by @samuelcolvin in #5695
• Remove dead code by @adriangb in #5775
• Copy edits for validation errors by @tpdorsey in #5777
• 🔥 Remove _base_class_defined hack in favor of an empty bases check by @lig in #5761
• Support recursive dataclasses by @dmontagu in #5760
• Update typo in computed_fields.md by @john-g-g in #5786
• Use uvicorn-style strings for ImportString by @dmontagu in #5776
• Add v1 namespace inside pydantic by @hramezani in #5780
• Add a convenience type to override JSON schema by @dmontagu in #5788
• Add a signature for init_subclass to typecheck class kwargs by @dmontagu in #5791
• BaseModel class attributes documented by @tpdorsey in #5787
• Add note about dynamically created model pickling by @hramezani in #5781
• Do not inherit config in model fields that are themselves of type model by @dmontagu in #5793
• Replace class Config with model_config by @hramezani in #5799
• Uprev pydantic-core to 0.32.0 by @adriangb in #5805
• Make decoratorinfos attributes plural by @dmontagu in #5802
• Rework __prepare_pydantic_annotations__ to make it easier to wrap "known" types by @adriangb in #5801
• Remove various TODO comments by @dmontagu in #5806
• Address more todo comments by @dmontagu in #5809
• Add annotation that lets you skip validation by @dmontagu in #5583
• ✨ Add RootModel support by @lig in #5765
• Fix some issues with pydantic extra by @dmontagu in #5810
• Move error handling to Error Messages by @tpdorsey in #5794
• Fix json type json schema test by @dmontagu in #5808
• Fix tests for create_model title and description by @hramezani in #5796
• Improve typechecking, docs, and minor bugs with Field/FieldInfo by @dmontagu in #5800
• Add a convenience type for transforming a core schema via annotation by @dmontagu in #5819
• see what happens with cf pages by @samuelcolvin in #5828
• Do not automatically handle subclasses of Iterable by @dmontagu in #5834
• Improve contribution guidelines by @tpdorsey in #5817
• Use alias generator with computed fields by @dmontagu in #5836
• Address root model feedback by @dmontagu in #5820
• Ignore pytest warnings on 3.12 by @JelleZijlstra in #5849
• Change pydantic to be compatible with typing-extension==4.6.1 by @hramezani in #5843
• Add note about V1 PRs by @tpdorsey in #5855
• Fix bug partial get core schema by @adriangb in #5856
• Revise documentation landing page by @tpdorsey in #5835
• Add Kludex to reviewer list by @Kludex in #5862
• Use duration instead of time-delta type for timedelta on JSON schema by @Kludex in #5864
• Add InstanceOf type/annotation by @dmontagu in #5778
• Update pydantic-core to 0.34.0 by @adriangb in #5860
• Add a test demonstrating initvar works with inheritance by @dmontagu in #5859
• Disallow non-nested types as non-annotated values by @dmontagu in #5869
• Handle validators on vanilla dataclass fields by @dmontagu in #5857
• Refactor handling of Enum and IP types to homogenize known type handling by @adriangb in #5837
• move ModelMetaclass to _internal._model_construction by @samuelcolvin in #5865
• Fix kw_only inheritance by @dmontagu in #5873
• ⚡ Optimize kw_only inheritance by @lig in #5878
• Fix dataclass stuff by @dmontagu in #5874
• Update pydantic-core to 0.35.0 by @hramezani in #5846
• Ensure __get_pydantic_json_schema__ always gets the schema passed down from a wrapping handler by @adriangb in #5876
• Add hide_input_in_errors config by @hramezani in #5879
• ✅ Improve test coverage by @lig in #5885
• 🐛 Config option allow_inf_nan doesn't work for Decimal by @lig in #5868
• Allow __prepare_pydantic_annotations__ to exist without __get_pydantic_core_schema__ by @adriangb in #5886
• Bump pyright to 1.1.310 by @adriangb in #5887
• Fix botched merge, cleanup unused code by @adriangb in #5888
• prevent _internal objects becoming public by @samuelcolvin in #5892
• Use __pydantic_private__ for storing private attributes by @dmontagu in #5891
• fixing xfails by @samuelcolvin in #5894
• Fix @model_validator on nested models by @adriangb in #5889
• Complete ConfigWrapper test coverage by @hramezani in #5900
• ✅ Improve test coverage by @lig in #5895
• Update typing-extensions to 4.6.1 by @adriangb in #5901
• Enforce constraints on arbitrary types via functional validators by @adriangb in #5883
• Add validators for TypedDict by @adriangb in #5877
• Add test for default values in annotated schema by @adriangb in #5902
• Uprev pydantic-core to 0.37.0 by @adriangb in #5905
• 🐛 Fix AttributeError on deleting a field of a Model having a PrivateAttr defined by @lig in #5897
• 💚 Move email tests to "tests with deps" job by @lig in #5904
• Move model before validators by @samuelcolvin in #5898
• Feat/serialize import string by @ybressler in #5841
• remove xfails from docs by @samuelcolvin in #5910
• add compatibility shim for __fields__ -> model_fields by @samuelcolvin in #5912
• improve coverage in main.py by @samuelcolvin in #5913
• Complete test coverage pydantic/_internal/_serializers.py by @hramezani in #5915
• Add lenient_issubclass and lenient_isinstance to DEPRECATED_MOVED_IN_V2 by @Kludex in #5916
• Improve test coverage for pydantic._internal._utils by @hramezani in #5917
• Add most used imports to DEPRECATED_MOVED_IN_V2 by @Kludex in #5926
• Hide pydantic*_ from @dataclass_transform by @dmontagu in #5923
• Fix mypy plugin for 1.4.0 by @cdce8p in #5927
• Improve test coverage for pydantic._internal._core_metadata by @hramezani in #5933
• support for return_schema on functional serializers by @samuelcolvin in #5920
• Support TypeAliasType for generic and recursive type aliases by @adriangb in #5861
• fix datetime parsing tests by @samuelcolvin in #5938
• Logo grid for pydantic users by @tpdorsey in #5880
• Disallow passing config to TypeAdapter for models and implement config for TypedDict by @adriangb in #5939
• fix dataclasses, uprev pydantic-core by @samuelcolvin in #5942
• Improve test coverage for pydantic.type_adapter by @hramezani in #5930
• Improve test coverage of pydantic._internal._core_utils by @hramezani in #5936
• Update docstrings - errors through functional serializers by @tpdorsey in #5940
• ✅ More RootModel tests by @lig in #5943
• Improve test coverage for pydantic.types by @hramezani in #5950
• Update docstrings - alias_generators through dataclasses by @tpdorsey in #5932
• Make instanceof schema work with arbitrary types by @dmontagu in #5947
• Improve test coverage for pydantic.functional_validator by @hramezani in #5955
• 🐛 Fix RootModel equality logic by @lig in #5948
• Increase coverage for json_schema.py by @Kludex in #5934
• Improve test coverage for pydantic._migration by @hramezani in #5964
• Increase coverage for json_schema.py by @Kludex in #5963
• Move pydantic.annotated to top level by @adriangb in #5954
• Rename old analyzed type variables name in test by @hramezani in #5965
• Fix Decimal trailing zero handling by @hramezani in #5962
• Docstrings updates for validation by @tpdorsey in #5967
• Prepare for Beta 1 release by @samuelcolvin in #5969

New Contributors

• @Viicos made their first contribution in #5712
• @rmargar made their first contribution in #5753
• @halfdanrump made their first contribution in #5756
• @john-g-g made their first contribution in #5786
• @JelleZijlstra made their first contribution in #5849

Full Changelog: v2.0a4...v2.0b1